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<h1>DODSFilter.cc</h1><a href="DODSFilter_8cc.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001
<a name="l00002"></a>00002 <span class="comment">// -*- mode: c++; c-basic-offset:4 -*-</span>
<a name="l00003"></a>00003
<a name="l00004"></a>00004 <span class="comment">// This file is part of libdap, A C++ implementation of the OPeNDAP Data</span>
<a name="l00005"></a>00005 <span class="comment">// Access Protocol.</span>
<a name="l00006"></a>00006
<a name="l00007"></a>00007 <span class="comment">// Copyright (c) 2002,2003 OPeNDAP, Inc.</span>
<a name="l00008"></a>00008 <span class="comment">// Author: James Gallagher <jgallagher@opendap.org></span>
<a name="l00009"></a>00009 <span class="comment">//</span>
<a name="l00010"></a>00010 <span class="comment">// This library is free software; you can redistribute it and/or</span>
<a name="l00011"></a>00011 <span class="comment">// modify it under the terms of the GNU Lesser General Public</span>
<a name="l00012"></a>00012 <span class="comment">// License as published by the Free Software Foundation; either</span>
<a name="l00013"></a>00013 <span class="comment">// version 2.1 of the License, or (at your option) any later version.</span>
<a name="l00014"></a>00014 <span class="comment">//</span>
<a name="l00015"></a>00015 <span class="comment">// This library is distributed in the hope that it will be useful,</span>
<a name="l00016"></a>00016 <span class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00017"></a>00017 <span class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00018"></a>00018 <span class="comment">// Lesser General Public License for more details.</span>
<a name="l00019"></a>00019 <span class="comment">//</span>
<a name="l00020"></a>00020 <span class="comment">// You should have received a copy of the GNU Lesser General Public</span>
<a name="l00021"></a>00021 <span class="comment">// License along with this library; if not, write to the Free Software</span>
<a name="l00022"></a>00022 <span class="comment">// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span>
<a name="l00023"></a>00023 <span class="comment">//</span>
<a name="l00024"></a>00024 <span class="comment">// You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.</span>
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="comment">// (c) COPYRIGHT URI/MIT 1997-1999</span>
<a name="l00027"></a>00027 <span class="comment">// Please read the full copyright statement in the file COPYRIGHT_URI.</span>
<a name="l00028"></a>00028 <span class="comment">//</span>
<a name="l00029"></a>00029 <span class="comment">// Authors:</span>
<a name="l00030"></a>00030 <span class="comment">// jhrg,jimg James Gallagher <jgallagher@gso.uri.edu></span>
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="comment">// Implementation of the DODSFilter class. This class is used to build dods</span>
<a name="l00033"></a>00033 <span class="comment">// filter programs which, along with a CGI program, comprise OPeNDAP servers.</span>
<a name="l00034"></a>00034 <span class="comment">// jhrg 8/26/97</span>
<a name="l00035"></a>00035
<a name="l00036"></a>00036
<a name="l00037"></a>00037 <span class="preprocessor">#include "<a class="code" href="config_8h.html">config.h</a>"</span>
<a name="l00038"></a>00038
<a name="l00039"></a>00039 <span class="keyword">static</span> <span class="keywordtype">char</span> rcsid[] <a class="code" href="config_8h.html#05e109ec893d0b12023d5b0cf4f718c4">not_used</a> =
<a name="l00040"></a>00040 {<span class="stringliteral">"$Id: DODSFilter.cc 19948 2008-12-03 23:51:12Z jimg $"</span>
<a name="l00041"></a>00041 };
<a name="l00042"></a>00042
<a name="l00043"></a>00043 <span class="preprocessor">#include <signal.h></span>
<a name="l00044"></a>00044
<a name="l00045"></a>00045 <span class="preprocessor">#ifndef WIN32</span>
<a name="l00046"></a>00046 <span class="preprocessor"></span><span class="preprocessor">#include <unistd.h></span> <span class="comment">// for getopt</span>
<a name="l00047"></a>00047 <span class="preprocessor">#include <sys/wait.h></span>
<a name="l00048"></a>00048 <span class="preprocessor">#else</span>
<a name="l00049"></a>00049 <span class="preprocessor"></span><span class="preprocessor">#include <io.h></span>
<a name="l00050"></a>00050 <span class="preprocessor">#include <fcntl.h></span>
<a name="l00051"></a>00051 <span class="preprocessor">#include <process.h></span>
<a name="l00052"></a>00052 <span class="preprocessor">#endif</span>
<a name="l00053"></a>00053 <span class="preprocessor"></span>
<a name="l00054"></a>00054 <span class="preprocessor">#include <iostream></span>
<a name="l00055"></a>00055 <span class="preprocessor">#include <string></span>
<a name="l00056"></a>00056 <span class="preprocessor">#include <algorithm></span>
<a name="l00057"></a>00057 <span class="preprocessor">#include <cstdlib></span>
<a name="l00058"></a>00058
<a name="l00059"></a>00059 <span class="preprocessor">#include <GetOpt.h></span>
<a name="l00060"></a>00060
<a name="l00061"></a>00061 <span class="preprocessor">#include "<a class="code" href="DAS_8h.html">DAS.h</a>"</span>
<a name="l00062"></a>00062 <span class="preprocessor">#include "<a class="code" href="DDS_8h.html">DDS.h</a>"</span>
<a name="l00063"></a>00063 <span class="preprocessor">#include "<a class="code" href="debug_8h.html">debug.h</a>"</span>
<a name="l00064"></a>00064 <span class="preprocessor">#include "<a class="code" href="cgi__util_8h.html">cgi_util.h</a>"</span>
<a name="l00065"></a>00065 <span class="preprocessor">#include "<a class="code" href="Ancillary_8h.html">Ancillary.h</a>"</span>
<a name="l00066"></a>00066 <span class="preprocessor">#include "<a class="code" href="util_8h.html">util.h</a>"</span>
<a name="l00067"></a>00067 <span class="preprocessor">#include "<a class="code" href="escaping_8h.html">escaping.h</a>"</span>
<a name="l00068"></a>00068 <span class="preprocessor">#include "<a class="code" href="DODSFilter_8h.html">DODSFilter.h</a>"</span>
<a name="l00069"></a>00069 <span class="preprocessor">#include "<a class="code" href="XDRFileMarshaller_8h.html">XDRFileMarshaller.h</a>"</span>
<a name="l00070"></a>00070 <span class="preprocessor">#include "<a class="code" href="XDRStreamMarshaller_8h.html">XDRStreamMarshaller.h</a>"</span>
<a name="l00071"></a>00071 <span class="preprocessor">#include "<a class="code" href="InternalErr_8h.html">InternalErr.h</a>"</span>
<a name="l00072"></a>00072 <span class="preprocessor">#ifndef WIN32</span>
<a name="l00073"></a>00073 <span class="preprocessor"></span><span class="preprocessor">#include "<a class="code" href="SignalHandler_8h.html">SignalHandler.h</a>"</span>
<a name="l00074"></a>00074 <span class="preprocessor">#include "<a class="code" href="EventHandler_8h.html">EventHandler.h</a>"</span>
<a name="l00075"></a>00075 <span class="preprocessor">#include "<a class="code" href="AlarmHandler_8h.html">AlarmHandler.h</a>"</span>
<a name="l00076"></a>00076 <span class="preprocessor">#endif</span>
<a name="l00077"></a>00077 <span class="preprocessor"></span>
<a name="l00078"></a>00078 <span class="keyword">using namespace </span>std;
<a name="l00079"></a>00079
<a name="l00080"></a>00080 <span class="keyword">namespace </span>libdap {
<a name="l00081"></a>00081
<a name="l00082"></a><a class="code" href="namespacelibdap.html#6f36b78e0590ec9e3a0583f0ecfead64">00082</a> <span class="keyword">const</span> <span class="keywordtype">string</span> <a class="code" href="namespacelibdap.html#6f36b78e0590ec9e3a0583f0ecfead64">usage</a> =
<a name="l00083"></a>00083 <span class="stringliteral">"Usage: <handler name> -o <response> -u <url> [options ...] [data set]\n\</span>
<a name="l00084"></a>00084 <span class="stringliteral"> \n\</span>
<a name="l00085"></a>00085 <span class="stringliteral"> options: -o <response>: DAS, DDS, DataDDS, DDX, BLOB or Version (Required)\n\</span>
<a name="l00086"></a>00086 <span class="stringliteral"> -u <url>: The complete URL minus the CE (required for DDX)\n\</span>
<a name="l00087"></a>00087 <span class="stringliteral"> -c: Compress the response using the deflate algorithm.\n\</span>
<a name="l00088"></a>00088 <span class="stringliteral"> -e <expr>: When returning a DataDDS, use <expr> as the constraint.\n\</span>
<a name="l00089"></a>00089 <span class="stringliteral"> -v <version>: Use <version> as the version number\n\</span>
<a name="l00090"></a>00090 <span class="stringliteral"> -d <dir>: Look for ancillary file in <dir> (deprecated).\n\</span>
<a name="l00091"></a>00091 <span class="stringliteral"> -f <file>: Look for ancillary data in <file> (deprecated).\n\</span>
<a name="l00092"></a>00092 <span class="stringliteral"> -r <dir>: Use <dir> as a cache directory\n\</span>
<a name="l00093"></a>00093 <span class="stringliteral"> -l <time>: Conditional request; if data source is unchanged since\n\</span>
<a name="l00094"></a>00094 <span class="stringliteral"> <time>, return an HTTP 304 response.\n\</span>
<a name="l00095"></a>00095 <span class="stringliteral"> -t <seconds>: Timeout the handler after <seconds>.\n\</span>
<a name="l00096"></a>00096 <span class="stringliteral"> -h: This message."</span>;
<a name="l00097"></a>00097
<a name="l00098"></a>00098 <span class="preprocessor">#if 0</span>
<a name="l00099"></a>00099 <span class="preprocessor"></span><span class="comment">// Removed the call to waitpid in send_data() because calling fflush</span>
<a name="l00100"></a>00100 <span class="comment">// addresses the problem wait() was supposed to solve and calling wait() is</span>
<a name="l00101"></a>00101 <span class="comment">// the root of ticket #335. jhrg 3/10/06</span>
<a name="l00102"></a>00102 <span class="preprocessor">#ifdef WIN32</span>
<a name="l00103"></a>00103 <span class="preprocessor"></span><span class="preprocessor">#define WAITPID(pid) while(_cwait(NULL, pid, NULL) > 0)</span>
<a name="l00104"></a>00104 <span class="preprocessor"></span><span class="preprocessor">#else</span>
<a name="l00105"></a>00105 <span class="preprocessor"></span><span class="preprocessor">#define WAITPID(pid) while(waitpid(pid, 0, 0) > 0)</span>
<a name="l00106"></a>00106 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00107"></a>00107 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00108"></a>00108 <span class="preprocessor"></span>
<a name="l00173"></a><a class="code" href="classlibdap_1_1DODSFilter.html#ab6e493b315d390b41f6d6e806c90045">00173</a> <a class="code" href="classlibdap_1_1DODSFilter.html#a802f48ceffcaff00634940067a1ba02">DODSFilter::DODSFilter</a>(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> *argv[]) <span class="keywordflow">throw</span>(<a class="code" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a>)
<a name="l00174"></a>00174 {
<a name="l00175"></a>00175 initialize(argc, argv);
<a name="l00176"></a>00176
<a name="l00177"></a>00177 <a class="code" href="debug_8h.html#32adf79142f0a426b5e782fb7cd4cad3">DBG</a>(cerr << <span class="stringliteral">"d_comp: "</span> << d_comp << endl);
<a name="l00178"></a>00178 <a class="code" href="debug_8h.html#32adf79142f0a426b5e782fb7cd4cad3">DBG</a>(cerr << <span class="stringliteral">"d_ce: "</span> << d_ce << endl);
<a name="l00179"></a>00179 <a class="code" href="debug_8h.html#32adf79142f0a426b5e782fb7cd4cad3">DBG</a>(cerr << <span class="stringliteral">"d_cgi_ver: "</span> << d_cgi_ver << endl);
<a name="l00180"></a>00180 <a class="code" href="debug_8h.html#32adf79142f0a426b5e782fb7cd4cad3">DBG</a>(cerr << <span class="stringliteral">"d_response: "</span> << d_response << endl);
<a name="l00181"></a>00181 <a class="code" href="debug_8h.html#32adf79142f0a426b5e782fb7cd4cad3">DBG</a>(cerr << <span class="stringliteral">"d_anc_dir: "</span> << d_anc_dir << endl);
<a name="l00182"></a>00182 <a class="code" href="debug_8h.html#32adf79142f0a426b5e782fb7cd4cad3">DBG</a>(cerr << <span class="stringliteral">"d_anc_file: "</span> << d_anc_file << endl);
<a name="l00183"></a>00183 <a class="code" href="debug_8h.html#32adf79142f0a426b5e782fb7cd4cad3">DBG</a>(cerr << <span class="stringliteral">"d_cache_dir: "</span> << d_cache_dir << endl);
<a name="l00184"></a>00184 <a class="code" href="debug_8h.html#32adf79142f0a426b5e782fb7cd4cad3">DBG</a>(cerr << <span class="stringliteral">"d_conditional_request: "</span> << d_conditional_request << endl);
<a name="l00185"></a>00185 <a class="code" href="debug_8h.html#32adf79142f0a426b5e782fb7cd4cad3">DBG</a>(cerr << <span class="stringliteral">"d_if_modified_since: "</span> << d_if_modified_since << endl);
<a name="l00186"></a>00186 <a class="code" href="debug_8h.html#32adf79142f0a426b5e782fb7cd4cad3">DBG</a>(cerr << <span class="stringliteral">"d_url: "</span> << d_url << endl);
<a name="l00187"></a>00187 <a class="code" href="debug_8h.html#32adf79142f0a426b5e782fb7cd4cad3">DBG</a>(cerr << <span class="stringliteral">"d_timeout: "</span> << d_timeout << endl);
<a name="l00188"></a>00188 }
<a name="l00189"></a>00189
<a name="l00190"></a><a class="code" href="classlibdap_1_1DODSFilter.html#31b50cf60ff28ac38e73703abb432cb7">00190</a> <a class="code" href="classlibdap_1_1DODSFilter.html#31b50cf60ff28ac38e73703abb432cb7">DODSFilter::~DODSFilter</a>()
<a name="l00191"></a>00191 {
<a name="l00192"></a>00192 }
<a name="l00193"></a>00193
<a name="l00196"></a>00196 <span class="keywordtype">void</span>
<a name="l00197"></a><a class="code" href="classlibdap_1_1DODSFilter.html#8ac695c5b7ebe39e2a7c8dd44079f317">00197</a> <a class="code" href="classlibdap_1_1DODSFilter.html#8ac695c5b7ebe39e2a7c8dd44079f317">DODSFilter::initialize</a>()
<a name="l00198"></a>00198 {
<a name="l00199"></a>00199 <span class="comment">// Set default values. Don't use the C++ constructor initialization so</span>
<a name="l00200"></a>00200 <span class="comment">// that a subclass can have more control over this process.</span>
<a name="l00201"></a>00201 <a class="code" href="classlibdap_1_1DODSFilter.html#c341bef83b259326604a80d39662c8ba">d_comp</a> = <span class="keyword">false</span>;
<a name="l00202"></a>00202 <a class="code" href="classlibdap_1_1DODSFilter.html#afe1eced520da8420b3a3a4aee610fe2">d_bad_options</a> = <span class="keyword">false</span>;
<a name="l00203"></a>00203 <a class="code" href="classlibdap_1_1DODSFilter.html#61a5b0904d54eb56c7a6ad1684c05a34">d_conditional_request</a> = <span class="keyword">false</span>;
<a name="l00204"></a>00204 <a class="code" href="classlibdap_1_1DODSFilter.html#bd2238d1d57f34a1d3a0a1d074b9530f">d_dataset</a> = <span class="stringliteral">""</span>;
<a name="l00205"></a>00205 <a class="code" href="classlibdap_1_1DODSFilter.html#ec3b01d948821317cebee18bc489365b">d_ce</a> = <span class="stringliteral">""</span>;
<a name="l00206"></a>00206 <a class="code" href="classlibdap_1_1DODSFilter.html#20a3784b4893aa9344908e60c228101d">d_cgi_ver</a> = <span class="stringliteral">""</span>;
<a name="l00207"></a>00207 <a class="code" href="classlibdap_1_1DODSFilter.html#d3b704cdf6eae452da68dc16731ee5ce">d_anc_dir</a> = <span class="stringliteral">""</span>;
<a name="l00208"></a>00208 <a class="code" href="classlibdap_1_1DODSFilter.html#624e0d9fd279c1d75ec769655d6db372">d_anc_file</a> = <span class="stringliteral">""</span>;
<a name="l00209"></a>00209 <a class="code" href="classlibdap_1_1DODSFilter.html#71eee99308f72e94171ceca9ad161e5a">d_cache_dir</a> = <span class="stringliteral">""</span>;
<a name="l00210"></a>00210 <a class="code" href="classlibdap_1_1DODSFilter.html#ab229b7ab7035001dbfbc664c5b31a06">d_response</a> = <a class="code" href="classlibdap_1_1DODSFilter.html#908589f76cb20a5acdbc1eee0707fe9c8dc83891bc5af14f36728cf41ae8a56d">Unknown_Response</a>;;
<a name="l00211"></a>00211 <a class="code" href="classlibdap_1_1DODSFilter.html#32605daab8497b578477748934b009cc">d_anc_das_lmt</a> = 0;
<a name="l00212"></a>00212 <a class="code" href="classlibdap_1_1DODSFilter.html#10ec1bad5515cb040d6b67e42a738a5c">d_anc_dds_lmt</a> = 0;
<a name="l00213"></a>00213 <a class="code" href="classlibdap_1_1DODSFilter.html#6e1e20b5e89ce89556d3ef2a818a9093">d_if_modified_since</a> = -1;
<a name="l00214"></a>00214 <a class="code" href="classlibdap_1_1DODSFilter.html#e415bfa9bee1c09e58a4330f51c761f8">d_url</a> = <span class="stringliteral">""</span>;
<a name="l00215"></a>00215 <a class="code" href="classlibdap_1_1DODSFilter.html#ff22b76e40a2a5341fcc2b0551080b24">d_program_name</a> = <span class="stringliteral">"Unknown"</span>;
<a name="l00216"></a>00216 <a class="code" href="classlibdap_1_1DODSFilter.html#acd4a007b3849111d16f53fbdad31268">d_timeout</a> = 0;
<a name="l00217"></a>00217
<a name="l00218"></a>00218 <span class="preprocessor">#ifdef WIN32</span>
<a name="l00219"></a>00219 <span class="preprocessor"></span> <span class="comment">// We want serving from win32 to behave in a manner</span>
<a name="l00220"></a>00220 <span class="comment">// similar to the UNIX way - no CR->NL terminated lines</span>
<a name="l00221"></a>00221 <span class="comment">// in files. Hence stdout goes to binary mode.</span>
<a name="l00222"></a>00222 _setmode(_fileno(stdout), _O_BINARY);
<a name="l00223"></a>00223 <span class="preprocessor">#endif</span>
<a name="l00224"></a>00224 <span class="preprocessor"></span>}
<a name="l00225"></a>00225
<a name="l00237"></a>00237 <span class="keywordtype">void</span>
<a name="l00238"></a><a class="code" href="classlibdap_1_1DODSFilter.html#1420d214791dc0c4bb907cd9f6d967a6">00238</a> <a class="code" href="classlibdap_1_1DODSFilter.html#8ac695c5b7ebe39e2a7c8dd44079f317">DODSFilter::initialize</a>(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> *argv[])
<a name="l00239"></a>00239 {
<a name="l00240"></a>00240 <a class="code" href="classlibdap_1_1DODSFilter.html#8ac695c5b7ebe39e2a7c8dd44079f317">initialize</a>();
<a name="l00241"></a>00241
<a name="l00242"></a>00242 <a class="code" href="classlibdap_1_1DODSFilter.html#ff22b76e40a2a5341fcc2b0551080b24">d_program_name</a> = argv[0];
<a name="l00243"></a>00243
<a name="l00244"></a>00244 <span class="comment">// This should be specialized by a subclass. This may throw Error.</span>
<a name="l00245"></a>00245 <span class="keywordtype">int</span> next_arg = <a class="code" href="classlibdap_1_1DODSFilter.html#609ed4df55fdf7cc995e3951a1f2ddd0">process_options</a>(argc, argv);
<a name="l00246"></a>00246
<a name="l00247"></a>00247 <span class="comment">// Look at what's left after processing the command line options. Either</span>
<a name="l00248"></a>00248 <span class="comment">// there MUST be a dataset name OR the caller is asking for version</span>
<a name="l00249"></a>00249 <span class="comment">// information. If neither is true, then the options are bad.</span>
<a name="l00250"></a>00250 <span class="keywordflow">if</span> (next_arg < argc) {
<a name="l00251"></a>00251 <a class="code" href="classlibdap_1_1DODSFilter.html#bd2238d1d57f34a1d3a0a1d074b9530f">d_dataset</a> = argv[next_arg];
<a name="l00252"></a>00252 <a class="code" href="classlibdap_1_1DODSFilter.html#bd2238d1d57f34a1d3a0a1d074b9530f">d_dataset</a> = <a class="code" href="namespacelibdap.html#376f9593431111a80ef78c98b8f4a0e2">www2id</a>(<a class="code" href="classlibdap_1_1DODSFilter.html#bd2238d1d57f34a1d3a0a1d074b9530f">d_dataset</a>, <span class="stringliteral">"%"</span>, <span class="stringliteral">"%20"</span>);
<a name="l00253"></a>00253 }
<a name="l00254"></a>00254 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="classlibdap_1_1DODSFilter.html#463bb84c66a67099039a60462fa8aca8">get_response</a>() != <a class="code" href="classlibdap_1_1DODSFilter.html#908589f76cb20a5acdbc1eee0707fe9c9c4a350a040f60ac49d34e20ca528159">Version_Response</a>)
<a name="l00255"></a>00255 <a class="code" href="classlibdap_1_1DODSFilter.html#73e8b49c5a7927a373e6088ad60a5193" title="Print usage information for a filter program.">print_usage</a>(); <span class="comment">// Throws Error</span>
<a name="l00256"></a>00256 }
<a name="l00257"></a>00257
<a name="l00266"></a>00266 <span class="keywordtype">int</span>
<a name="l00267"></a><a class="code" href="classlibdap_1_1DODSFilter.html#609ed4df55fdf7cc995e3951a1f2ddd0">00267</a> <a class="code" href="classlibdap_1_1DODSFilter.html#609ed4df55fdf7cc995e3951a1f2ddd0">DODSFilter::process_options</a>(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> *argv[])
<a name="l00268"></a>00268 {
<a name="l00269"></a>00269 <a class="code" href="debug_8h.html#32adf79142f0a426b5e782fb7cd4cad3">DBG</a>(cerr << <span class="stringliteral">"Entering process_options... "</span>);
<a name="l00270"></a>00270
<a name="l00271"></a>00271 <span class="keywordtype">int</span> option_char;
<a name="l00272"></a>00272 GetOpt getopt (argc, argv, <span class="stringliteral">"ce: v: d: f: r: l: o: u: t: "</span>);
<a name="l00273"></a>00273
<a name="l00274"></a>00274 <span class="keywordflow">while</span> ((option_char = getopt()) != EOF) {
<a name="l00275"></a>00275 <span class="keywordflow">switch</span> (option_char) {
<a name="l00276"></a>00276 <span class="keywordflow">case</span> <span class="charliteral">'c'</span>: <a class="code" href="classlibdap_1_1DODSFilter.html#c341bef83b259326604a80d39662c8ba">d_comp</a> = <span class="keyword">true</span>; <span class="keywordflow">break</span>;
<a name="l00277"></a>00277 <span class="keywordflow">case</span> <span class="charliteral">'e'</span>: <a class="code" href="classlibdap_1_1DODSFilter.html#7a3b83c758edb5ed45270004673a355d">set_ce</a>(getopt.optarg); <span class="keywordflow">break</span>;
<a name="l00278"></a>00278 <span class="keywordflow">case</span> <span class="charliteral">'v'</span>: <a class="code" href="classlibdap_1_1DODSFilter.html#d95070bc42a8aff97cb6c626c78480b6">set_cgi_version</a>(getopt.optarg); <span class="keywordflow">break</span>;
<a name="l00279"></a>00279 <span class="keywordflow">case</span> <span class="charliteral">'d'</span>: <a class="code" href="classlibdap_1_1DODSFilter.html#d3b704cdf6eae452da68dc16731ee5ce">d_anc_dir</a> = getopt.optarg; <span class="keywordflow">break</span>;
<a name="l00280"></a>00280 <span class="keywordflow">case</span> <span class="charliteral">'f'</span>: <a class="code" href="classlibdap_1_1DODSFilter.html#624e0d9fd279c1d75ec769655d6db372">d_anc_file</a> = getopt.optarg; <span class="keywordflow">break</span>;
<a name="l00281"></a>00281 <span class="keywordflow">case</span> <span class="charliteral">'r'</span>: <a class="code" href="classlibdap_1_1DODSFilter.html#71eee99308f72e94171ceca9ad161e5a">d_cache_dir</a> = getopt.optarg; <span class="keywordflow">break</span>;
<a name="l00282"></a>00282 <span class="keywordflow">case</span> <span class="charliteral">'o'</span>: <a class="code" href="classlibdap_1_1DODSFilter.html#cdf3c3346d326a252d17f5dc346aed5c">set_response</a>(getopt.optarg); <span class="keywordflow">break</span>;
<a name="l00283"></a>00283 <span class="keywordflow">case</span> <span class="charliteral">'u'</span>: <a class="code" href="classlibdap_1_1DODSFilter.html#6c1b6941a1a6421607eadd675d341077">set_URL</a>(getopt.optarg); <span class="keywordflow">break</span>;
<a name="l00284"></a>00284 <span class="keywordflow">case</span> <span class="charliteral">'t'</span>: <a class="code" href="classlibdap_1_1DODSFilter.html#acd4a007b3849111d16f53fbdad31268">d_timeout</a> = atoi(getopt.optarg); <span class="keywordflow">break</span>;
<a name="l00285"></a>00285 <span class="keywordflow">case</span> <span class="charliteral">'l'</span>:
<a name="l00286"></a>00286 <a class="code" href="classlibdap_1_1DODSFilter.html#61a5b0904d54eb56c7a6ad1684c05a34">d_conditional_request</a> = <span class="keyword">true</span>;
<a name="l00287"></a>00287 <a class="code" href="classlibdap_1_1DODSFilter.html#6e1e20b5e89ce89556d3ef2a818a9093">d_if_modified_since</a>
<a name="l00288"></a>00288 = <span class="keyword">static_cast<</span>time_t<span class="keyword">></span>(strtol(getopt.optarg, NULL, 10));
<a name="l00289"></a>00289 <span class="keywordflow">break</span>;
<a name="l00290"></a>00290 <span class="keywordflow">case</span> <span class="charliteral">'h'</span>: <a class="code" href="classlibdap_1_1DODSFilter.html#73e8b49c5a7927a373e6088ad60a5193" title="Print usage information for a filter program.">print_usage</a>(); exit(1);
<a name="l00291"></a>00291 <span class="keywordflow">default</span>: <a class="code" href="classlibdap_1_1DODSFilter.html#73e8b49c5a7927a373e6088ad60a5193" title="Print usage information for a filter program.">print_usage</a>(); <span class="comment">// Throws Error</span>
<a name="l00292"></a>00292 }
<a name="l00293"></a>00293 }
<a name="l00294"></a>00294
<a name="l00295"></a>00295 <a class="code" href="debug_8h.html#0d28d57d1228cf13a4c1288cc4758344">DBGN</a>(cerr << <span class="stringliteral">"exiting."</span> << endl);
<a name="l00296"></a>00296
<a name="l00297"></a>00297 <span class="keywordflow">return</span> getopt.optind; <span class="comment">// return the index of the next argument</span>
<a name="l00298"></a>00298 }
<a name="l00299"></a>00299
<a name="l00304"></a>00304 <span class="keywordtype">bool</span>
<a name="l00305"></a><a class="code" href="classlibdap_1_1DODSFilter.html#0129530c994f1e826c6b6357ea48a650">00305</a> <a class="code" href="classlibdap_1_1DODSFilter.html#0129530c994f1e826c6b6357ea48a650" title="Is this request conditional?">DODSFilter::is_conditional</a>()<span class="keyword"> const</span>
<a name="l00306"></a>00306 <span class="keyword"></span>{
<a name="l00307"></a>00307 <span class="keywordflow">return</span> <a class="code" href="classlibdap_1_1DODSFilter.html#61a5b0904d54eb56c7a6ad1684c05a34">d_conditional_request</a>;
<a name="l00308"></a>00308 }
<a name="l00309"></a>00309
<a name="l00323"></a>00323 <span class="keywordtype">void</span>
<a name="l00324"></a><a class="code" href="classlibdap_1_1DODSFilter.html#d95070bc42a8aff97cb6c626c78480b6">00324</a> <a class="code" href="classlibdap_1_1DODSFilter.html#d95070bc42a8aff97cb6c626c78480b6">DODSFilter::set_cgi_version</a>(<span class="keywordtype">string</span> <a class="code" href="getdap_8cc.html#a31f487a99743d24af9076a3e11e5425">version</a>)
<a name="l00325"></a>00325 {
<a name="l00326"></a>00326 <a class="code" href="classlibdap_1_1DODSFilter.html#20a3784b4893aa9344908e60c228101d">d_cgi_ver</a> = version;
<a name="l00327"></a>00327 }
<a name="l00328"></a>00328
<a name="l00334"></a>00334 <span class="keywordtype">string</span>
<a name="l00335"></a><a class="code" href="classlibdap_1_1DODSFilter.html#06f827d52efe528675ee43533fdbae16">00335</a> <a class="code" href="classlibdap_1_1DODSFilter.html#06f827d52efe528675ee43533fdbae16">DODSFilter::get_cgi_version</a>()<span class="keyword"> const</span>
<a name="l00336"></a>00336 <span class="keyword"></span>{
<a name="l00337"></a>00337 <span class="keywordflow">return</span> <a class="code" href="classlibdap_1_1DODSFilter.html#20a3784b4893aa9344908e60c228101d">d_cgi_ver</a>;
<a name="l00338"></a>00338 }
<a name="l00339"></a>00339
<a name="l00346"></a>00346 <span class="keywordtype">string</span>
<a name="l00347"></a><a class="code" href="classlibdap_1_1DODSFilter.html#ad1eee238ed4bde5f5dc49ecf0966635">00347</a> <a class="code" href="classlibdap_1_1DODSFilter.html#ad1eee238ed4bde5f5dc49ecf0966635" title="Get the constraint expression.">DODSFilter::get_ce</a>()<span class="keyword"> const</span>
<a name="l00348"></a>00348 <span class="keyword"></span>{
<a name="l00349"></a>00349 <span class="keywordflow">return</span> <a class="code" href="classlibdap_1_1DODSFilter.html#ec3b01d948821317cebee18bc489365b">d_ce</a>;
<a name="l00350"></a>00350 }
<a name="l00351"></a>00351
<a name="l00352"></a>00352 <span class="keywordtype">void</span>
<a name="l00353"></a><a class="code" href="classlibdap_1_1DODSFilter.html#7a3b83c758edb5ed45270004673a355d">00353</a> <a class="code" href="classlibdap_1_1DODSFilter.html#7a3b83c758edb5ed45270004673a355d">DODSFilter::set_ce</a>(<span class="keywordtype">string</span> _ce)
<a name="l00354"></a>00354 {
<a name="l00355"></a>00355 <a class="code" href="classlibdap_1_1DODSFilter.html#ec3b01d948821317cebee18bc489365b">d_ce</a> = <a class="code" href="namespacelibdap.html#376f9593431111a80ef78c98b8f4a0e2">www2id</a>(_ce, <span class="stringliteral">"%"</span>, <span class="stringliteral">"%20"</span>);
<a name="l00356"></a>00356 }
<a name="l00357"></a>00357
<a name="l00366"></a>00366 <span class="keywordtype">string</span>
<a name="l00367"></a><a class="code" href="classlibdap_1_1DODSFilter.html#9a1de0e3f85c4126901e1d70e00f35ea">00367</a> <a class="code" href="classlibdap_1_1DODSFilter.html#9a1de0e3f85c4126901e1d70e00f35ea" title="Get the dataset name.">DODSFilter::get_dataset_name</a>()<span class="keyword"> const</span>
<a name="l00368"></a>00368 <span class="keyword"></span>{
<a name="l00369"></a>00369 <span class="keywordflow">return</span> <a class="code" href="classlibdap_1_1DODSFilter.html#bd2238d1d57f34a1d3a0a1d074b9530f">d_dataset</a>;
<a name="l00370"></a>00370 }
<a name="l00371"></a>00371
<a name="l00372"></a>00372 <span class="keywordtype">void</span>
<a name="l00373"></a><a class="code" href="classlibdap_1_1DODSFilter.html#b4aa216d0b462b2a18234a241d9b6b01">00373</a> <a class="code" href="classlibdap_1_1DODSFilter.html#b4aa216d0b462b2a18234a241d9b6b01">DODSFilter::set_dataset_name</a>(<span class="keyword">const</span> <span class="keywordtype">string</span> ds)
<a name="l00374"></a>00374 {
<a name="l00375"></a>00375 <a class="code" href="classlibdap_1_1DODSFilter.html#bd2238d1d57f34a1d3a0a1d074b9530f">d_dataset</a> = <a class="code" href="namespacelibdap.html#376f9593431111a80ef78c98b8f4a0e2">www2id</a>(ds, <span class="stringliteral">"%"</span>, <span class="stringliteral">"%20"</span>);
<a name="l00376"></a>00376 }
<a name="l00377"></a>00377
<a name="l00381"></a>00381 <span class="keywordtype">string</span>
<a name="l00382"></a><a class="code" href="classlibdap_1_1DODSFilter.html#6563ae634c261dda52bc2d96090c9530">00382</a> <a class="code" href="classlibdap_1_1DODSFilter.html#6563ae634c261dda52bc2d96090c9530">DODSFilter::get_URL</a>()<span class="keyword"> const</span>
<a name="l00383"></a>00383 <span class="keyword"></span>{
<a name="l00384"></a>00384 <span class="keywordflow">return</span> <a class="code" href="classlibdap_1_1DODSFilter.html#e415bfa9bee1c09e58a4330f51c761f8">d_url</a>;
<a name="l00385"></a>00385 }
<a name="l00386"></a>00386
<a name="l00389"></a>00389 <span class="keywordtype">void</span>
<a name="l00390"></a><a class="code" href="classlibdap_1_1DODSFilter.html#6c1b6941a1a6421607eadd675d341077">00390</a> <a class="code" href="classlibdap_1_1DODSFilter.html#6c1b6941a1a6421607eadd675d341077">DODSFilter::set_URL</a>(<span class="keyword">const</span> <span class="keywordtype">string</span> &url)
<a name="l00391"></a>00391 {
<a name="l00392"></a>00392 <span class="keywordflow">if</span> (url.find(<span class="charliteral">'?'</span>) != url.npos)
<a name="l00393"></a>00393 <a class="code" href="classlibdap_1_1DODSFilter.html#73e8b49c5a7927a373e6088ad60a5193" title="Print usage information for a filter program.">print_usage</a>(); <span class="comment">// Throws Error</span>
<a name="l00394"></a>00394
<a name="l00395"></a>00395 <a class="code" href="classlibdap_1_1DODSFilter.html#e415bfa9bee1c09e58a4330f51c761f8">d_url</a> = url;
<a name="l00396"></a>00396 }
<a name="l00397"></a>00397
<a name="l00405"></a>00405 <span class="keywordtype">string</span>
<a name="l00406"></a><a class="code" href="classlibdap_1_1DODSFilter.html#d97a446900d0bf79e740d407a97ca2f5">00406</a> <a class="code" href="classlibdap_1_1DODSFilter.html#d97a446900d0bf79e740d407a97ca2f5" title="Get the version information for the dataset.">DODSFilter::get_dataset_version</a>()<span class="keyword"> const</span>
<a name="l00407"></a>00407 <span class="keyword"></span>{
<a name="l00408"></a>00408 <span class="keywordflow">return</span> <span class="stringliteral">""</span>;
<a name="l00409"></a>00409 }
<a name="l00410"></a>00410
<a name="l00417"></a><a class="code" href="classlibdap_1_1DODSFilter.html#cdf3c3346d326a252d17f5dc346aed5c">00417</a> <span class="keywordtype">void</span> <a class="code" href="classlibdap_1_1DODSFilter.html#cdf3c3346d326a252d17f5dc346aed5c">DODSFilter::set_response</a>(<span class="keyword">const</span> <span class="keywordtype">string</span> &r)
<a name="l00418"></a>00418 {
<a name="l00419"></a>00419 <span class="keywordflow">if</span> (r == <span class="stringliteral">"DAS"</span> || r == <span class="stringliteral">"das"</span>) {
<a name="l00420"></a>00420 <a class="code" href="classlibdap_1_1DODSFilter.html#ab229b7ab7035001dbfbc664c5b31a06">d_response</a> = <a class="code" href="classlibdap_1_1DODSFilter.html#908589f76cb20a5acdbc1eee0707fe9c76e8a72ea312936dea238527ce4695c4">DAS_Response</a>;
<a name="l00421"></a>00421 <a class="code" href="classlibdap_1_1DODSFilter.html#18f324b6760e82d1a0fea5a272125af3">d_action</a> = <span class="stringliteral">"das"</span> ;
<a name="l00422"></a>00422 }
<a name="l00423"></a>00423 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (r == <span class="stringliteral">"DDS"</span> || r == <span class="stringliteral">"dds"</span>) {
<a name="l00424"></a>00424 <a class="code" href="classlibdap_1_1DODSFilter.html#ab229b7ab7035001dbfbc664c5b31a06">d_response</a> = <a class="code" href="classlibdap_1_1DODSFilter.html#908589f76cb20a5acdbc1eee0707fe9c8b6e5aa1130bc4ad747f7a206144c900">DDS_Response</a>;
<a name="l00425"></a>00425 <a class="code" href="classlibdap_1_1DODSFilter.html#18f324b6760e82d1a0fea5a272125af3">d_action</a> = <span class="stringliteral">"dds"</span> ;
<a name="l00426"></a>00426 }
<a name="l00427"></a>00427 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (r == <span class="stringliteral">"DataDDS"</span> || r == <span class="stringliteral">"dods"</span>) {
<a name="l00428"></a>00428 <a class="code" href="classlibdap_1_1DODSFilter.html#ab229b7ab7035001dbfbc664c5b31a06">d_response</a> = <a class="code" href="classlibdap_1_1DODSFilter.html#908589f76cb20a5acdbc1eee0707fe9ca78c10a0edfb814265ff23373af482fc">DataDDS_Response</a>;
<a name="l00429"></a>00429 <a class="code" href="classlibdap_1_1DODSFilter.html#18f324b6760e82d1a0fea5a272125af3">d_action</a> = <span class="stringliteral">"dods"</span> ;
<a name="l00430"></a>00430 }
<a name="l00431"></a>00431 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (r == <span class="stringliteral">"DDX"</span> || r == <span class="stringliteral">"ddx"</span>) {
<a name="l00432"></a>00432 <a class="code" href="classlibdap_1_1DODSFilter.html#ab229b7ab7035001dbfbc664c5b31a06">d_response</a> = <a class="code" href="classlibdap_1_1DODSFilter.html#908589f76cb20a5acdbc1eee0707fe9c4019280b92b56b01a879c0235dc8419c">DDX_Response</a>;
<a name="l00433"></a>00433 <a class="code" href="classlibdap_1_1DODSFilter.html#18f324b6760e82d1a0fea5a272125af3">d_action</a> = <span class="stringliteral">"ddx"</span> ;
<a name="l00434"></a>00434 }
<a name="l00435"></a>00435 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (r == <span class="stringliteral">"Version"</span>) {
<a name="l00436"></a>00436 <a class="code" href="classlibdap_1_1DODSFilter.html#ab229b7ab7035001dbfbc664c5b31a06">d_response</a> = <a class="code" href="classlibdap_1_1DODSFilter.html#908589f76cb20a5acdbc1eee0707fe9c9c4a350a040f60ac49d34e20ca528159">Version_Response</a>;
<a name="l00437"></a>00437 <a class="code" href="classlibdap_1_1DODSFilter.html#18f324b6760e82d1a0fea5a272125af3">d_action</a> = <span class="stringliteral">"version"</span> ;
<a name="l00438"></a>00438 }
<a name="l00439"></a>00439 <span class="keywordflow">else</span>
<a name="l00440"></a>00440 <a class="code" href="classlibdap_1_1DODSFilter.html#73e8b49c5a7927a373e6088ad60a5193" title="Print usage information for a filter program.">print_usage</a>(); <span class="comment">// Throws Error</span>
<a name="l00441"></a>00441 }
<a name="l00442"></a>00442
<a name="l00444"></a>00444 <a class="code" href="classlibdap_1_1DODSFilter.html#908589f76cb20a5acdbc1eee0707fe9c">DODSFilter::Response</a>
<a name="l00445"></a><a class="code" href="classlibdap_1_1DODSFilter.html#463bb84c66a67099039a60462fa8aca8">00445</a> <a class="code" href="classlibdap_1_1DODSFilter.html#463bb84c66a67099039a60462fa8aca8">DODSFilter::get_response</a>()<span class="keyword"> const</span>
<a name="l00446"></a>00446 <span class="keyword"></span>{
<a name="l00447"></a>00447 <span class="keywordflow">return</span> <a class="code" href="classlibdap_1_1DODSFilter.html#ab229b7ab7035001dbfbc664c5b31a06">d_response</a>;
<a name="l00448"></a>00448 }
<a name="l00449"></a>00449
<a name="l00451"></a><a class="code" href="classlibdap_1_1DODSFilter.html#a21f7ce7a1c4b940e9f7abf40d6e7a96">00451</a> <span class="keywordtype">string</span> <a class="code" href="classlibdap_1_1DODSFilter.html#a21f7ce7a1c4b940e9f7abf40d6e7a96">DODSFilter::get_action</a>()<span class="keyword"> const</span>
<a name="l00452"></a>00452 <span class="keyword"></span>{
<a name="l00453"></a>00453 <span class="keywordflow">return</span> <a class="code" href="classlibdap_1_1DODSFilter.html#18f324b6760e82d1a0fea5a272125af3">d_action</a>;
<a name="l00454"></a>00454 }
<a name="l00455"></a>00455
<a name="l00476"></a>00476 time_t
<a name="l00477"></a><a class="code" href="classlibdap_1_1DODSFilter.html#e8c0264353f460c217baf41d128fd2e8">00477</a> <a class="code" href="classlibdap_1_1DODSFilter.html#e8c0264353f460c217baf41d128fd2e8">DODSFilter::get_dataset_last_modified_time</a>()<span class="keyword"> const</span>
<a name="l00478"></a>00478 <span class="keyword"></span>{
<a name="l00479"></a>00479 <span class="keywordflow">return</span> <a class="code" href="namespacelibdap.html#394c0b1380a16e886f96bf4a9081ed3a">last_modified_time</a>(<a class="code" href="classlibdap_1_1DODSFilter.html#bd2238d1d57f34a1d3a0a1d074b9530f">d_dataset</a>);
<a name="l00480"></a>00480 }
<a name="l00481"></a>00481
<a name="l00491"></a>00491 time_t
<a name="l00492"></a><a class="code" href="classlibdap_1_1DODSFilter.html#b55744c3af88ff8f07f0222677b7b4c7">00492</a> <a class="code" href="classlibdap_1_1DODSFilter.html#b55744c3af88ff8f07f0222677b7b4c7">DODSFilter::get_das_last_modified_time</a>(<span class="keyword">const</span> <span class="keywordtype">string</span> &anc_location)<span class="keyword"> const</span>
<a name="l00493"></a>00493 <span class="keyword"></span>{
<a name="l00494"></a>00494 <a class="code" href="debug_8h.html#32adf79142f0a426b5e782fb7cd4cad3">DBG</a>(cerr << <span class="stringliteral">"DODSFilter::get_das_last_modified_time(anc_location="</span>
<a name="l00495"></a>00495 << anc_location << <span class="stringliteral">"call faf(das) d_dataset="</span> << <a class="code" href="classlibdap_1_1DODSFilter.html#bd2238d1d57f34a1d3a0a1d074b9530f">d_dataset</a>
<a name="l00496"></a>00496 << <span class="stringliteral">" d_anc_file="</span> << <a class="code" href="classlibdap_1_1DODSFilter.html#624e0d9fd279c1d75ec769655d6db372">d_anc_file</a> << endl);
<a name="l00497"></a>00497
<a name="l00498"></a>00498 <span class="keywordtype">string</span> name
<a name="l00499"></a>00499 = <a class="code" href="classlibdap_1_1Ancillary.html#b1bcf7b1c9c9dc3d981db69aa58f24c1" title="Find a file with ancillary data.">Ancillary::find_ancillary_file</a>(<a class="code" href="classlibdap_1_1DODSFilter.html#bd2238d1d57f34a1d3a0a1d074b9530f">d_dataset</a>, <span class="stringliteral">"das"</span>,
<a name="l00500"></a>00500 (anc_location == <span class="stringliteral">""</span>) ? <a class="code" href="classlibdap_1_1DODSFilter.html#d3b704cdf6eae452da68dc16731ee5ce">d_anc_dir</a> : anc_location,
<a name="l00501"></a>00501 <a class="code" href="classlibdap_1_1DODSFilter.html#624e0d9fd279c1d75ec769655d6db372">d_anc_file</a>);
<a name="l00502"></a>00502
<a name="l00503"></a>00503 <span class="keywordflow">return</span> max((name != <span class="stringliteral">""</span>) ? <a class="code" href="namespacelibdap.html#394c0b1380a16e886f96bf4a9081ed3a">last_modified_time</a>(name) : 0,
<a name="l00504"></a>00504 <a class="code" href="classlibdap_1_1DODSFilter.html#e8c0264353f460c217baf41d128fd2e8">get_dataset_last_modified_time</a>());
<a name="l00505"></a>00505 }
<a name="l00506"></a>00506
<a name="l00514"></a>00514 time_t
<a name="l00515"></a><a class="code" href="classlibdap_1_1DODSFilter.html#e572e243caf43e6c24a0b85a504fccca">00515</a> <a class="code" href="classlibdap_1_1DODSFilter.html#e572e243caf43e6c24a0b85a504fccca">DODSFilter::get_dds_last_modified_time</a>(<span class="keyword">const</span> <span class="keywordtype">string</span> &anc_location)<span class="keyword"> const</span>
<a name="l00516"></a>00516 <span class="keyword"></span>{
<a name="l00517"></a>00517 <a class="code" href="debug_8h.html#32adf79142f0a426b5e782fb7cd4cad3">DBG</a>(cerr << <span class="stringliteral">"DODSFilter::get_das_last_modified_time(anc_location="</span>
<a name="l00518"></a>00518 << anc_location << <span class="stringliteral">"call faf(dds) d_dataset="</span> << <a class="code" href="classlibdap_1_1DODSFilter.html#bd2238d1d57f34a1d3a0a1d074b9530f">d_dataset</a>
<a name="l00519"></a>00519 << <span class="stringliteral">" d_anc_file="</span> << <a class="code" href="classlibdap_1_1DODSFilter.html#624e0d9fd279c1d75ec769655d6db372">d_anc_file</a> << endl);
<a name="l00520"></a>00520
<a name="l00521"></a>00521 <span class="keywordtype">string</span> name
<a name="l00522"></a>00522 = <a class="code" href="classlibdap_1_1Ancillary.html#b1bcf7b1c9c9dc3d981db69aa58f24c1" title="Find a file with ancillary data.">Ancillary::find_ancillary_file</a>(<a class="code" href="classlibdap_1_1DODSFilter.html#bd2238d1d57f34a1d3a0a1d074b9530f">d_dataset</a>, <span class="stringliteral">"dds"</span>,
<a name="l00523"></a>00523 (anc_location == <span class="stringliteral">""</span>) ? <a class="code" href="classlibdap_1_1DODSFilter.html#d3b704cdf6eae452da68dc16731ee5ce">d_anc_dir</a> : anc_location,
<a name="l00524"></a>00524 <a class="code" href="classlibdap_1_1DODSFilter.html#624e0d9fd279c1d75ec769655d6db372">d_anc_file</a>);
<a name="l00525"></a>00525
<a name="l00526"></a>00526 <span class="keywordflow">return</span> max((name != <span class="stringliteral">""</span>) ? <a class="code" href="namespacelibdap.html#394c0b1380a16e886f96bf4a9081ed3a">last_modified_time</a>(name) : 0,
<a name="l00527"></a>00527 <a class="code" href="classlibdap_1_1DODSFilter.html#e8c0264353f460c217baf41d128fd2e8">get_dataset_last_modified_time</a>());
<a name="l00528"></a>00528 }
<a name="l00529"></a>00529
<a name="l00543"></a>00543 time_t
<a name="l00544"></a><a class="code" href="classlibdap_1_1DODSFilter.html#a5fc0e0c30a428025907de4a0585f5d9">00544</a> <a class="code" href="classlibdap_1_1DODSFilter.html#a5fc0e0c30a428025907de4a0585f5d9">DODSFilter::get_data_last_modified_time</a>(<span class="keyword">const</span> <span class="keywordtype">string</span> &anc_location)<span class="keyword"> const</span>
<a name="l00545"></a>00545 <span class="keyword"></span>{
<a name="l00546"></a>00546 <a class="code" href="debug_8h.html#32adf79142f0a426b5e782fb7cd4cad3">DBG</a>(cerr << <span class="stringliteral">"DODSFilter::get_das_last_modified_time(anc_location="</span>
<a name="l00547"></a>00547 << anc_location << <span class="stringliteral">"call faf(both) d_dataset="</span> << <a class="code" href="classlibdap_1_1DODSFilter.html#bd2238d1d57f34a1d3a0a1d074b9530f">d_dataset</a>
<a name="l00548"></a>00548 << <span class="stringliteral">" d_anc_file="</span> << <a class="code" href="classlibdap_1_1DODSFilter.html#624e0d9fd279c1d75ec769655d6db372">d_anc_file</a> << endl);
<a name="l00549"></a>00549
<a name="l00550"></a>00550 <span class="keywordtype">string</span> dds_name
<a name="l00551"></a>00551 = <a class="code" href="classlibdap_1_1Ancillary.html#b1bcf7b1c9c9dc3d981db69aa58f24c1" title="Find a file with ancillary data.">Ancillary::find_ancillary_file</a>(<a class="code" href="classlibdap_1_1DODSFilter.html#bd2238d1d57f34a1d3a0a1d074b9530f">d_dataset</a>, <span class="stringliteral">"dds"</span>,
<a name="l00552"></a>00552 (anc_location == <span class="stringliteral">""</span>) ? <a class="code" href="classlibdap_1_1DODSFilter.html#d3b704cdf6eae452da68dc16731ee5ce">d_anc_dir</a> : anc_location,
<a name="l00553"></a>00553 <a class="code" href="classlibdap_1_1DODSFilter.html#624e0d9fd279c1d75ec769655d6db372">d_anc_file</a>);
<a name="l00554"></a>00554 <span class="keywordtype">string</span> das_name
<a name="l00555"></a>00555 = <a class="code" href="classlibdap_1_1Ancillary.html#b1bcf7b1c9c9dc3d981db69aa58f24c1" title="Find a file with ancillary data.">Ancillary::find_ancillary_file</a>(<a class="code" href="classlibdap_1_1DODSFilter.html#bd2238d1d57f34a1d3a0a1d074b9530f">d_dataset</a>, <span class="stringliteral">"das"</span>,
<a name="l00556"></a>00556 (anc_location == <span class="stringliteral">""</span>) ? <a class="code" href="classlibdap_1_1DODSFilter.html#d3b704cdf6eae452da68dc16731ee5ce">d_anc_dir</a> : anc_location,
<a name="l00557"></a>00557 <a class="code" href="classlibdap_1_1DODSFilter.html#624e0d9fd279c1d75ec769655d6db372">d_anc_file</a>);
<a name="l00558"></a>00558
<a name="l00559"></a>00559 time_t m = max((das_name != <span class="stringliteral">""</span>) ? <a class="code" href="namespacelibdap.html#394c0b1380a16e886f96bf4a9081ed3a">last_modified_time</a>(das_name) : (time_t)0,
<a name="l00560"></a>00560 (dds_name != <span class="stringliteral">""</span>) ? <a class="code" href="namespacelibdap.html#394c0b1380a16e886f96bf4a9081ed3a">last_modified_time</a>(dds_name) : (time_t)0);
<a name="l00561"></a>00561 <span class="comment">// Note that this is a call to get_dataset_... not get_data_...</span>
<a name="l00562"></a>00562 time_t n = <a class="code" href="classlibdap_1_1DODSFilter.html#e8c0264353f460c217baf41d128fd2e8">get_dataset_last_modified_time</a>();
<a name="l00563"></a>00563
<a name="l00564"></a>00564 <span class="keywordflow">return</span> max(m, n);
<a name="l00565"></a>00565 }
<a name="l00566"></a>00566
<a name="l00574"></a>00574 time_t
<a name="l00575"></a><a class="code" href="classlibdap_1_1DODSFilter.html#ad6c4d1bd437c7bb8b5c13d81739960f">00575</a> <a class="code" href="classlibdap_1_1DODSFilter.html#ad6c4d1bd437c7bb8b5c13d81739960f">DODSFilter::get_request_if_modified_since</a>()<span class="keyword"> const</span>
<a name="l00576"></a>00576 <span class="keyword"></span>{
<a name="l00577"></a>00577 <span class="keywordflow">return</span> <a class="code" href="classlibdap_1_1DODSFilter.html#6e1e20b5e89ce89556d3ef2a818a9093">d_if_modified_since</a>;
<a name="l00578"></a>00578 }
<a name="l00579"></a>00579
<a name="l00586"></a>00586 <span class="keywordtype">string</span>
<a name="l00587"></a><a class="code" href="classlibdap_1_1DODSFilter.html#fe2a7fe4d0aa60091c38da40f73e2f52">00587</a> <a class="code" href="classlibdap_1_1DODSFilter.html#fe2a7fe4d0aa60091c38da40f73e2f52" title="Get the cache directory.">DODSFilter::get_cache_dir</a>()<span class="keyword"> const</span>
<a name="l00588"></a>00588 <span class="keyword"></span>{
<a name="l00589"></a>00589 <span class="keywordflow">return</span> <a class="code" href="classlibdap_1_1DODSFilter.html#71eee99308f72e94171ceca9ad161e5a">d_cache_dir</a>;
<a name="l00590"></a>00590 }
<a name="l00591"></a>00591
<a name="l00596"></a>00596 <span class="keywordtype">void</span>
<a name="l00597"></a><a class="code" href="classlibdap_1_1DODSFilter.html#8d9a76bd0ef270d86ef40b7cc4dc03ff">00597</a> <a class="code" href="classlibdap_1_1DODSFilter.html#8d9a76bd0ef270d86ef40b7cc4dc03ff">DODSFilter::set_timeout</a>(<span class="keywordtype">int</span> t)
<a name="l00598"></a>00598 {
<a name="l00599"></a>00599 <a class="code" href="classlibdap_1_1DODSFilter.html#acd4a007b3849111d16f53fbdad31268">d_timeout</a> = t;
<a name="l00600"></a>00600 }
<a name="l00601"></a>00601
<a name="l00603"></a>00603 <span class="keywordtype">int</span>
<a name="l00604"></a><a class="code" href="classlibdap_1_1DODSFilter.html#a3bbcd151470297d8b34bed9fbe03868">00604</a> <a class="code" href="classlibdap_1_1DODSFilter.html#a3bbcd151470297d8b34bed9fbe03868">DODSFilter::get_timeout</a>()<span class="keyword"> const</span>
<a name="l00605"></a>00605 <span class="keyword"></span>{
<a name="l00606"></a>00606 <span class="keywordflow">return</span> <a class="code" href="classlibdap_1_1DODSFilter.html#acd4a007b3849111d16f53fbdad31268">d_timeout</a>;
<a name="l00607"></a>00607 }
<a name="l00608"></a>00608
<a name="l00609"></a>00609 <span class="comment">//#if FILE_METHODS</span>
<a name="l00621"></a>00621 <span class="comment"></span><span class="keywordtype">void</span>
<a name="l00622"></a><a class="code" href="classlibdap_1_1DODSFilter.html#34bc91d37ce58fcbdc1a190f8eb3e3cb">00622</a> <a class="code" href="classlibdap_1_1DODSFilter.html#a22ce448000822dafde1c227fe3d19ed">DODSFilter::establish_timeout</a>(FILE *stream)<span class="keyword"> const</span>
<a name="l00623"></a>00623 <span class="keyword"></span>{
<a name="l00624"></a>00624 <span class="preprocessor">#ifndef WIN32</span>
<a name="l00625"></a>00625 <span class="preprocessor"></span> <span class="keywordflow">if</span> (<a class="code" href="classlibdap_1_1DODSFilter.html#acd4a007b3849111d16f53fbdad31268">d_timeout</a> > 0) {
<a name="l00626"></a>00626 <a class="code" href="classlibdap_1_1SignalHandler.html">SignalHandler</a> *sh = <a class="code" href="classlibdap_1_1SignalHandler.html#930f996d318cadd5f0875da0784cb32a">SignalHandler::instance</a>();
<a name="l00627"></a>00627 <a class="code" href="classlibdap_1_1EventHandler.html">EventHandler</a> *old_eh = sh-><a class="code" href="classlibdap_1_1SignalHandler.html#1188177d392bdc1db6cf4450132c6d9f">register_handler</a>(SIGALRM, <span class="keyword">new</span> <a class="code" href="classlibdap_1_1AlarmHandler.html">AlarmHandler</a>(stream));
<a name="l00628"></a>00628 <span class="keyword">delete</span> old_eh;
<a name="l00629"></a>00629 alarm(<a class="code" href="classlibdap_1_1DODSFilter.html#acd4a007b3849111d16f53fbdad31268">d_timeout</a>);
<a name="l00630"></a>00630 }
<a name="l00631"></a>00631 <span class="preprocessor">#endif</span>
<a name="l00632"></a>00632 <span class="preprocessor"></span>}
<a name="l00633"></a>00633 <span class="comment">//#endif</span>
<a name="l00634"></a>00634
<a name="l00635"></a>00635 <span class="comment">// FIXME</span>
<a name="l00636"></a>00636 <span class="keywordtype">void</span>
<a name="l00637"></a><a class="code" href="classlibdap_1_1DODSFilter.html#a22ce448000822dafde1c227fe3d19ed">00637</a> <a class="code" href="classlibdap_1_1DODSFilter.html#a22ce448000822dafde1c227fe3d19ed">DODSFilter::establish_timeout</a>(ostream &stream)<span class="keyword"> const</span>
<a name="l00638"></a>00638 <span class="keyword"></span>{
<a name="l00639"></a>00639 <span class="preprocessor">#ifndef WIN32</span>
<a name="l00640"></a>00640 <span class="preprocessor"></span> <span class="keywordflow">if</span> (<a class="code" href="classlibdap_1_1DODSFilter.html#acd4a007b3849111d16f53fbdad31268">d_timeout</a> > 0) {
<a name="l00641"></a>00641 <a class="code" href="classlibdap_1_1SignalHandler.html">SignalHandler</a> *sh = <a class="code" href="classlibdap_1_1SignalHandler.html#930f996d318cadd5f0875da0784cb32a">SignalHandler::instance</a>();
<a name="l00642"></a>00642 <a class="code" href="classlibdap_1_1EventHandler.html">EventHandler</a> *old_eh = sh-><a class="code" href="classlibdap_1_1SignalHandler.html#1188177d392bdc1db6cf4450132c6d9f">register_handler</a>(SIGALRM, <span class="keyword">new</span> <a class="code" href="classlibdap_1_1AlarmHandler.html">AlarmHandler</a>(stream));
<a name="l00643"></a>00643 <span class="keyword">delete</span> old_eh;
<a name="l00644"></a>00644 alarm(<a class="code" href="classlibdap_1_1DODSFilter.html#acd4a007b3849111d16f53fbdad31268">d_timeout</a>);
<a name="l00645"></a>00645 }
<a name="l00646"></a>00646 <span class="preprocessor">#endif</span>
<a name="l00647"></a>00647 <span class="preprocessor"></span>}
<a name="l00648"></a>00648
<a name="l00649"></a>00649
<a name="l00659"></a>00659 <span class="keywordtype">void</span>
<a name="l00660"></a><a class="code" href="classlibdap_1_1DODSFilter.html#dcfe5b6e9532c2d252eaa6f2ce35a8d6">00660</a> <a class="code" href="classlibdap_1_1DODSFilter.html#dcfe5b6e9532c2d252eaa6f2ce35a8d6" title="Test if ancillary data must be read.">DODSFilter::read_ancillary_das</a>(<a class="code" href="classlibdap_1_1DAS.html" title="Hold attribute data for a DAP2 dataset.">DAS</a> &das, <span class="keyword">const</span> <span class="keywordtype">string</span> &anc_location)<span class="keyword"> const</span>
<a name="l00661"></a>00661 <span class="keyword"></span>{
<a name="l00662"></a>00662 <a class="code" href="classlibdap_1_1DODSFilter.html#dcfe5b6e9532c2d252eaa6f2ce35a8d6" title="Test if ancillary data must be read.">Ancillary::read_ancillary_das</a>( das, <a class="code" href="classlibdap_1_1DODSFilter.html#bd2238d1d57f34a1d3a0a1d074b9530f">d_dataset</a>,
<a name="l00663"></a>00663 (anc_location == <span class="stringliteral">""</span>) ? <a class="code" href="classlibdap_1_1DODSFilter.html#d3b704cdf6eae452da68dc16731ee5ce">d_anc_dir</a> : anc_location,
<a name="l00664"></a>00664 <a class="code" href="classlibdap_1_1DODSFilter.html#624e0d9fd279c1d75ec769655d6db372">d_anc_file</a>);
<a name="l00665"></a>00665 }
<a name="l00666"></a>00666
<a name="l00676"></a>00676 <span class="keywordtype">void</span>
<a name="l00677"></a><a class="code" href="classlibdap_1_1DODSFilter.html#266c5daacc69024c11a312470b679728">00677</a> <a class="code" href="classlibdap_1_1DODSFilter.html#266c5daacc69024c11a312470b679728" title="Test if ancillary data must be read.">DODSFilter::read_ancillary_dds</a>(<a class="code" href="classlibdap_1_1DDS.html">DDS</a> &dds, <span class="keyword">const</span> <span class="keywordtype">string</span> &anc_location)<span class="keyword"> const</span>
<a name="l00678"></a>00678 <span class="keyword"></span>{
<a name="l00679"></a>00679 <a class="code" href="classlibdap_1_1DODSFilter.html#266c5daacc69024c11a312470b679728" title="Test if ancillary data must be read.">Ancillary::read_ancillary_dds</a>( dds, <a class="code" href="classlibdap_1_1DODSFilter.html#bd2238d1d57f34a1d3a0a1d074b9530f">d_dataset</a>,
<a name="l00680"></a>00680 (anc_location == <span class="stringliteral">""</span>) ? <a class="code" href="classlibdap_1_1DODSFilter.html#d3b704cdf6eae452da68dc16731ee5ce">d_anc_dir</a> : anc_location,
<a name="l00681"></a>00681 <a class="code" href="classlibdap_1_1DODSFilter.html#624e0d9fd279c1d75ec769655d6db372">d_anc_file</a>);
<a name="l00682"></a>00682 }
<a name="l00683"></a>00683
<a name="l00684"></a>00684 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *emessage = <span class="stringliteral">"DODS internal server error; usage error. Please report this to the dataset maintainer, or to the opendap-tech@opendap.org mailing list."</span>;
<a name="l00685"></a>00685
<a name="l00695"></a>00695 <span class="keywordtype">void</span>
<a name="l00696"></a><a class="code" href="classlibdap_1_1DODSFilter.html#73e8b49c5a7927a373e6088ad60a5193">00696</a> <a class="code" href="classlibdap_1_1DODSFilter.html#73e8b49c5a7927a373e6088ad60a5193" title="Print usage information for a filter program.">DODSFilter::print_usage</a>()<span class="keyword"> const</span>
<a name="l00697"></a>00697 <span class="keyword"></span>{
<a name="l00698"></a>00698 <span class="comment">// Write a message to the WWW server error log file.</span>
<a name="l00699"></a>00699 <a class="code" href="namespacelibdap.html#c76ab0ba8dd2e6d2db8e4d07175ea266" title="Logs an error message.">ErrMsgT</a>(<a class="code" href="namespacelibdap.html#6f36b78e0590ec9e3a0583f0ecfead64">usage</a>.c_str());
<a name="l00700"></a>00700
<a name="l00701"></a>00701 <span class="keywordflow">throw</span> <a class="code" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a>(<a class="code" href="Error_8h.html#40b0db75d00d0338a597aa84e71109bf" title="Unknown error.">unknown_error</a>, emessage);
<a name="l00702"></a>00702 }
<a name="l00703"></a>00703
<a name="l00709"></a>00709 <span class="keywordtype">void</span>
<a name="l00710"></a><a class="code" href="classlibdap_1_1DODSFilter.html#17243fd4f8bc977f091f125572502bf5">00710</a> <a class="code" href="classlibdap_1_1DODSFilter.html#17243fd4f8bc977f091f125572502bf5" title="Send version information back to the client program.">DODSFilter::send_version_info</a>()<span class="keyword"> const</span>
<a name="l00711"></a>00711 <span class="keyword"></span>{
<a name="l00712"></a>00712 <a class="code" href="namespacelibdap.html#7e95f81049cb65e60edcc5ec41d445d7" title="Send a version number.">do_version</a>(<a class="code" href="classlibdap_1_1DODSFilter.html#20a3784b4893aa9344908e60c228101d">d_cgi_ver</a>, <a class="code" href="classlibdap_1_1DODSFilter.html#d97a446900d0bf79e740d407a97ca2f5" title="Get the version information for the dataset.">get_dataset_version</a>());
<a name="l00713"></a>00713 }
<a name="l00714"></a>00714
<a name="l00715"></a>00715 <span class="comment">//#if FILE_METHODS</span>
<a name="l00727"></a>00727 <span class="comment"></span><span class="keywordtype">void</span>
<a name="l00728"></a><a class="code" href="classlibdap_1_1DODSFilter.html#6084528939970871a82b40ca23e27af9">00728</a> <a class="code" href="classlibdap_1_1DODSFilter.html#5a8258609efd1f9a5f9aeea50995aee7">DODSFilter::send_das</a>(FILE *out, <a class="code" href="classlibdap_1_1DAS.html" title="Hold attribute data for a DAP2 dataset.">DAS</a> &das, <span class="keyword">const</span> <span class="keywordtype">string</span> &anc_location,
<a name="l00729"></a>00729 <span class="keywordtype">bool</span> with_mime_headers)<span class="keyword"> const</span>
<a name="l00730"></a>00730 <span class="keyword"></span>{
<a name="l00731"></a>00731 time_t das_lmt = <a class="code" href="classlibdap_1_1DODSFilter.html#b55744c3af88ff8f07f0222677b7b4c7">get_das_last_modified_time</a>(anc_location);
<a name="l00732"></a>00732 <span class="keywordflow">if</span> (<a class="code" href="classlibdap_1_1DODSFilter.html#0129530c994f1e826c6b6357ea48a650" title="Is this request conditional?">is_conditional</a>()
<a name="l00733"></a>00733 && das_lmt <= <a class="code" href="classlibdap_1_1DODSFilter.html#ad6c4d1bd437c7bb8b5c13d81739960f">get_request_if_modified_since</a>()
<a name="l00734"></a>00734 && with_mime_headers) {
<a name="l00735"></a>00735 <a class="code" href="namespacelibdap.html#46842454008837163552f30754a7388a" title="Send a `Not Modified&#39; response.">set_mime_not_modified</a>(out);
<a name="l00736"></a>00736 }
<a name="l00737"></a>00737 <span class="keywordflow">else</span> {
<a name="l00738"></a>00738 <span class="keywordflow">if</span> (with_mime_headers)
<a name="l00739"></a>00739 <a class="code" href="namespacelibdap.html#ef829d3d34220c1f9db6cd02ae56847a">set_mime_text</a>(out, <a class="code" href="namespacelibdap.html#e7466ed8496f06654ec276eac907c06a02461a6c30af5fa6a789ea22fef8534e">dods_das</a>, <a class="code" href="classlibdap_1_1DODSFilter.html#20a3784b4893aa9344908e60c228101d">d_cgi_ver</a>, <a class="code" href="namespacelibdap.html#ada86e90b40fc8068dbfe9be79f09e55b128dd348d8e64eff653ca8efa0574f4">x_plain</a>, das_lmt);
<a name="l00740"></a>00740 das.<a class="code" href="classlibdap_1_1DAS.html#8983b961e6fba3a6fd33ffcfd944eaf2">print</a>(out);
<a name="l00741"></a>00741 }
<a name="l00742"></a>00742 fflush(out) ;
<a name="l00743"></a>00743 }
<a name="l00744"></a>00744 <span class="comment">//#endif</span>
<a name="l00756"></a>00756 <span class="comment"></span><span class="keywordtype">void</span>
<a name="l00757"></a><a class="code" href="classlibdap_1_1DODSFilter.html#18819961cd0413a5535335dae91f8f76">00757</a> <a class="code" href="classlibdap_1_1DODSFilter.html#5a8258609efd1f9a5f9aeea50995aee7">DODSFilter::send_das</a>(ostream &out, <a class="code" href="classlibdap_1_1DAS.html" title="Hold attribute data for a DAP2 dataset.">DAS</a> &das, <span class="keyword">const</span> <span class="keywordtype">string</span> &anc_location,
<a name="l00758"></a>00758 <span class="keywordtype">bool</span> with_mime_headers)<span class="keyword"> const</span>
<a name="l00759"></a>00759 <span class="keyword"></span>{
<a name="l00760"></a>00760 time_t das_lmt = <a class="code" href="classlibdap_1_1DODSFilter.html#b55744c3af88ff8f07f0222677b7b4c7">get_das_last_modified_time</a>(anc_location);
<a name="l00761"></a>00761 <span class="keywordflow">if</span> (<a class="code" href="classlibdap_1_1DODSFilter.html#0129530c994f1e826c6b6357ea48a650" title="Is this request conditional?">is_conditional</a>()
<a name="l00762"></a>00762 && das_lmt <= <a class="code" href="classlibdap_1_1DODSFilter.html#ad6c4d1bd437c7bb8b5c13d81739960f">get_request_if_modified_since</a>()
<a name="l00763"></a>00763 && with_mime_headers) {
<a name="l00764"></a>00764 <a class="code" href="namespacelibdap.html#46842454008837163552f30754a7388a" title="Send a `Not Modified&#39; response.">set_mime_not_modified</a>(out);
<a name="l00765"></a>00765 }
<a name="l00766"></a>00766 <span class="keywordflow">else</span> {
<a name="l00767"></a>00767 <span class="keywordflow">if</span> (with_mime_headers)
<a name="l00768"></a>00768 <a class="code" href="namespacelibdap.html#ef829d3d34220c1f9db6cd02ae56847a">set_mime_text</a>(out, <a class="code" href="namespacelibdap.html#e7466ed8496f06654ec276eac907c06a02461a6c30af5fa6a789ea22fef8534e">dods_das</a>, <a class="code" href="classlibdap_1_1DODSFilter.html#20a3784b4893aa9344908e60c228101d">d_cgi_ver</a>, <a class="code" href="namespacelibdap.html#ada86e90b40fc8068dbfe9be79f09e55b128dd348d8e64eff653ca8efa0574f4">x_plain</a>, das_lmt);
<a name="l00769"></a>00769 das.<a class="code" href="classlibdap_1_1DAS.html#8983b961e6fba3a6fd33ffcfd944eaf2">print</a>(out);
<a name="l00770"></a>00770 }
<a name="l00771"></a>00771 out << flush ;
<a name="l00772"></a>00772 }
<a name="l00773"></a>00773
<a name="l00774"></a>00774 <span class="keywordtype">void</span>
<a name="l00775"></a><a class="code" href="classlibdap_1_1DODSFilter.html#5a8258609efd1f9a5f9aeea50995aee7">00775</a> <a class="code" href="classlibdap_1_1DODSFilter.html#5a8258609efd1f9a5f9aeea50995aee7">DODSFilter::send_das</a>(<a class="code" href="classlibdap_1_1DAS.html" title="Hold attribute data for a DAP2 dataset.">DAS</a> &das, <span class="keyword">const</span> <span class="keywordtype">string</span> &anc_location,
<a name="l00776"></a>00776 <span class="keywordtype">bool</span> with_mime_headers)<span class="keyword"> const</span>
<a name="l00777"></a>00777 <span class="keyword"></span>{
<a name="l00778"></a>00778 <a class="code" href="classlibdap_1_1DODSFilter.html#5a8258609efd1f9a5f9aeea50995aee7">send_das</a>(cout, das, anc_location, with_mime_headers);
<a name="l00779"></a>00779 }
<a name="l00780"></a>00780
<a name="l00781"></a>00781 <span class="comment">//#if FILE_METHODS</span>
<a name="l00798"></a>00798 <span class="comment"></span><span class="keywordtype">void</span>
<a name="l00799"></a><a class="code" href="classlibdap_1_1DODSFilter.html#3818478cf7a17971972f27170b99e653">00799</a> <a class="code" href="classlibdap_1_1DODSFilter.html#ccaa557685fa556753f0a63cbc3b2d60">DODSFilter::send_dds</a>(FILE *out, <a class="code" href="classlibdap_1_1DDS.html">DDS</a> &dds, <a class="code" href="classlibdap_1_1ConstraintEvaluator.html" title="Evaluate a constraint expression.">ConstraintEvaluator</a> &eval,
<a name="l00800"></a>00800 <span class="keywordtype">bool</span> constrained,
<a name="l00801"></a>00801 <span class="keyword">const</span> <span class="keywordtype">string</span> &anc_location,
<a name="l00802"></a>00802 <span class="keywordtype">bool</span> with_mime_headers)<span class="keyword"> const</span>
<a name="l00803"></a>00803 <span class="keyword"></span>{
<a name="l00804"></a>00804 <span class="comment">// If constrained, parse the constraint. Throws Error or InternalErr.</span>
<a name="l00805"></a>00805 <span class="keywordflow">if</span> (constrained)
<a name="l00806"></a>00806 eval.<a class="code" href="classlibdap_1_1ConstraintEvaluator.html#aeb4a7662178b992d9e36ff1dc0fc2bc" title="Parse the constraint expression given the current DDS.">parse_constraint</a>(<a class="code" href="classlibdap_1_1DODSFilter.html#ec3b01d948821317cebee18bc489365b">d_ce</a>, dds);
<a name="l00807"></a>00807
<a name="l00808"></a>00808 <span class="keywordflow">if</span> (eval.<a class="code" href="classlibdap_1_1ConstraintEvaluator.html#dd46ce1d9ef36fa26a2913d8d7c51096" title="Does the current constraint expression return a BaseType pointer?">functional_expression</a>())
<a name="l00809"></a>00809 <span class="keywordflow">throw</span> <a class="code" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a>(<span class="stringliteral">"Function calls can only be used with data requests. To see the structure of the underlying data source, reissue the URL without the function."</span>);
<a name="l00810"></a>00810
<a name="l00811"></a>00811 time_t dds_lmt = <a class="code" href="classlibdap_1_1DODSFilter.html#e572e243caf43e6c24a0b85a504fccca">get_dds_last_modified_time</a>(anc_location);
<a name="l00812"></a>00812 <span class="keywordflow">if</span> (<a class="code" href="classlibdap_1_1DODSFilter.html#0129530c994f1e826c6b6357ea48a650" title="Is this request conditional?">is_conditional</a>()
<a name="l00813"></a>00813 && dds_lmt <= <a class="code" href="classlibdap_1_1DODSFilter.html#ad6c4d1bd437c7bb8b5c13d81739960f">get_request_if_modified_since</a>()
<a name="l00814"></a>00814 && with_mime_headers) {
<a name="l00815"></a>00815 <a class="code" href="namespacelibdap.html#46842454008837163552f30754a7388a" title="Send a `Not Modified&#39; response.">set_mime_not_modified</a>(out);
<a name="l00816"></a>00816 }
<a name="l00817"></a>00817 <span class="keywordflow">else</span> {
<a name="l00818"></a>00818 <span class="keywordflow">if</span> (with_mime_headers)
<a name="l00819"></a>00819 <a class="code" href="namespacelibdap.html#ef829d3d34220c1f9db6cd02ae56847a">set_mime_text</a>(out, <a class="code" href="namespacelibdap.html#e7466ed8496f06654ec276eac907c06ae5a70721811fccc5ee73852269b01a01">dods_dds</a>, <a class="code" href="classlibdap_1_1DODSFilter.html#20a3784b4893aa9344908e60c228101d">d_cgi_ver</a>, <a class="code" href="namespacelibdap.html#ada86e90b40fc8068dbfe9be79f09e55b128dd348d8e64eff653ca8efa0574f4">x_plain</a>, dds_lmt);
<a name="l00820"></a>00820 <span class="keywordflow">if</span> (constrained)
<a name="l00821"></a>00821 dds.<a class="code" href="classlibdap_1_1DDS.html#ac3dca048c1d085d72b44df8b7088cd5" title="Print a constrained DDS to the specified file.">print_constrained</a>(out);
<a name="l00822"></a>00822 <span class="keywordflow">else</span>
<a name="l00823"></a>00823 dds.<a class="code" href="classlibdap_1_1DDS.html#471a9e61f7154518b040a7818fa5a2b5" title="Print the entire DDS to the specified file.">print</a>(out);
<a name="l00824"></a>00824 }
<a name="l00825"></a>00825
<a name="l00826"></a>00826 fflush(out) ;
<a name="l00827"></a>00827 }
<a name="l00828"></a>00828 <span class="comment">//#endif</span>
<a name="l00845"></a>00845 <span class="comment"></span><span class="keywordtype">void</span>
<a name="l00846"></a><a class="code" href="classlibdap_1_1DODSFilter.html#ce2a4de8462020ceaa32edb69d53b706">00846</a> <a class="code" href="classlibdap_1_1DODSFilter.html#ccaa557685fa556753f0a63cbc3b2d60">DODSFilter::send_dds</a>(ostream &out, <a class="code" href="classlibdap_1_1DDS.html">DDS</a> &dds, <a class="code" href="classlibdap_1_1ConstraintEvaluator.html" title="Evaluate a constraint expression.">ConstraintEvaluator</a> &eval,
<a name="l00847"></a>00847 <span class="keywordtype">bool</span> constrained,
<a name="l00848"></a>00848 <span class="keyword">const</span> <span class="keywordtype">string</span> &anc_location,
<a name="l00849"></a>00849 <span class="keywordtype">bool</span> with_mime_headers)<span class="keyword"> const</span>
<a name="l00850"></a>00850 <span class="keyword"></span>{
<a name="l00851"></a>00851 <span class="comment">// If constrained, parse the constraint. Throws Error or InternalErr.</span>
<a name="l00852"></a>00852 <span class="keywordflow">if</span> (constrained)
<a name="l00853"></a>00853 eval.<a class="code" href="classlibdap_1_1ConstraintEvaluator.html#aeb4a7662178b992d9e36ff1dc0fc2bc" title="Parse the constraint expression given the current DDS.">parse_constraint</a>(<a class="code" href="classlibdap_1_1DODSFilter.html#ec3b01d948821317cebee18bc489365b">d_ce</a>, dds);
<a name="l00854"></a>00854
<a name="l00855"></a>00855 <span class="keywordflow">if</span> (eval.<a class="code" href="classlibdap_1_1ConstraintEvaluator.html#dd46ce1d9ef36fa26a2913d8d7c51096" title="Does the current constraint expression return a BaseType pointer?">functional_expression</a>())
<a name="l00856"></a>00856 <span class="keywordflow">throw</span> <a class="code" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a>(<span class="stringliteral">"Function calls can only be used with data requests. To see the structure of the underlying data source, reissue the URL without the function."</span>);
<a name="l00857"></a>00857
<a name="l00858"></a>00858 time_t dds_lmt = <a class="code" href="classlibdap_1_1DODSFilter.html#e572e243caf43e6c24a0b85a504fccca">get_dds_last_modified_time</a>(anc_location);
<a name="l00859"></a>00859 <span class="keywordflow">if</span> (<a class="code" href="classlibdap_1_1DODSFilter.html#0129530c994f1e826c6b6357ea48a650" title="Is this request conditional?">is_conditional</a>()
<a name="l00860"></a>00860 && dds_lmt <= <a class="code" href="classlibdap_1_1DODSFilter.html#ad6c4d1bd437c7bb8b5c13d81739960f">get_request_if_modified_since</a>()
<a name="l00861"></a>00861 && with_mime_headers) {
<a name="l00862"></a>00862 <a class="code" href="namespacelibdap.html#46842454008837163552f30754a7388a" title="Send a `Not Modified&#39; response.">set_mime_not_modified</a>(out);
<a name="l00863"></a>00863 }
<a name="l00864"></a>00864 <span class="keywordflow">else</span> {
<a name="l00865"></a>00865 <span class="keywordflow">if</span> (with_mime_headers)
<a name="l00866"></a>00866 <a class="code" href="namespacelibdap.html#ef829d3d34220c1f9db6cd02ae56847a">set_mime_text</a>(out, <a class="code" href="namespacelibdap.html#e7466ed8496f06654ec276eac907c06ae5a70721811fccc5ee73852269b01a01">dods_dds</a>, <a class="code" href="classlibdap_1_1DODSFilter.html#20a3784b4893aa9344908e60c228101d">d_cgi_ver</a>, <a class="code" href="namespacelibdap.html#ada86e90b40fc8068dbfe9be79f09e55b128dd348d8e64eff653ca8efa0574f4">x_plain</a>, dds_lmt);
<a name="l00867"></a>00867 <span class="keywordflow">if</span> (constrained)
<a name="l00868"></a>00868 dds.<a class="code" href="classlibdap_1_1DDS.html#ac3dca048c1d085d72b44df8b7088cd5" title="Print a constrained DDS to the specified file.">print_constrained</a>(out);
<a name="l00869"></a>00869 <span class="keywordflow">else</span>
<a name="l00870"></a>00870 dds.<a class="code" href="classlibdap_1_1DDS.html#471a9e61f7154518b040a7818fa5a2b5" title="Print the entire DDS to the specified file.">print</a>(out);
<a name="l00871"></a>00871 }
<a name="l00872"></a>00872
<a name="l00873"></a>00873 out << flush ;
<a name="l00874"></a>00874 }
<a name="l00875"></a>00875
<a name="l00876"></a>00876 <span class="keywordtype">void</span>
<a name="l00877"></a><a class="code" href="classlibdap_1_1DODSFilter.html#ccaa557685fa556753f0a63cbc3b2d60">00877</a> <a class="code" href="classlibdap_1_1DODSFilter.html#ccaa557685fa556753f0a63cbc3b2d60">DODSFilter::send_dds</a>(<a class="code" href="classlibdap_1_1DDS.html">DDS</a> &dds, <a class="code" href="classlibdap_1_1ConstraintEvaluator.html" title="Evaluate a constraint expression.">ConstraintEvaluator</a> &eval,
<a name="l00878"></a>00878 <span class="keywordtype">bool</span> constrained, <span class="keyword">const</span> <span class="keywordtype">string</span> &anc_location,
<a name="l00879"></a>00879 <span class="keywordtype">bool</span> with_mime_headers)<span class="keyword"> const</span>
<a name="l00880"></a>00880 <span class="keyword"></span>{
<a name="l00881"></a>00881 <a class="code" href="classlibdap_1_1DODSFilter.html#ccaa557685fa556753f0a63cbc3b2d60">send_dds</a>(cout, dds, eval, constrained, anc_location, with_mime_headers);
<a name="l00882"></a>00882 }
<a name="l00883"></a>00883
<a name="l00884"></a>00884 <span class="comment">//#if FILE_METHODS</span>
<a name="l00885"></a>00885 <span class="comment">// 'lmt' unused. Should it be used to supply a LMT or removed from the</span>
<a name="l00886"></a>00886 <span class="comment">// method? jhrg 8/9/05</span>
<a name="l00887"></a>00887 <span class="keywordtype">void</span>
<a name="l00888"></a><a class="code" href="classlibdap_1_1DODSFilter.html#11749d07dc11ff4f4c1f764bafbd6021">00888</a> <a class="code" href="classlibdap_1_1DODSFilter.html#16dd363c7532a7b590c405151332489a">DODSFilter::functional_constraint</a>(<a class="code" href="classlibdap_1_1BaseType.html" title="The basic data type for the DODS DAP types.">BaseType</a> &var, <a class="code" href="classlibdap_1_1DDS.html">DDS</a> &dds,
<a name="l00889"></a>00889 <a class="code" href="classlibdap_1_1ConstraintEvaluator.html" title="Evaluate a constraint expression.">ConstraintEvaluator</a> &eval, FILE *out)<span class="keyword"> const</span>
<a name="l00890"></a>00890 <span class="keyword"></span>{
<a name="l00891"></a>00891 fprintf(out, <span class="stringliteral">"Dataset {\n"</span>);
<a name="l00892"></a>00892 var.<a class="code" href="classlibdap_1_1BaseType.html#2d799fad93255d7f2b803562ae7a5784" title="Print an ASCII representation of the variable structure.">print_decl</a>(out, <span class="stringliteral">" "</span>, <span class="keyword">true</span>, <span class="keyword">false</span>, <span class="keyword">true</span>);
<a name="l00893"></a>00893 fprintf(out, <span class="stringliteral">"} function_value;\n"</span>);
<a name="l00894"></a>00894 fprintf(out, <span class="stringliteral">"Data:\n"</span>);
<a name="l00895"></a>00895
<a name="l00896"></a>00896 fflush(out);
<a name="l00897"></a>00897
<a name="l00898"></a>00898 <span class="comment">// Grab a stream encodes using XDR.</span>
<a name="l00899"></a>00899 <a class="code" href="classlibdap_1_1XDRFileMarshaller.html" title="marshaller that knows how to marshall/serialize dap data objects to a file using...">XDRFileMarshaller</a> m( out ) ;
<a name="l00900"></a>00900
<a name="l00901"></a>00901 <span class="keywordflow">try</span> {
<a name="l00902"></a>00902 <span class="comment">// In the following call to serialize, suppress CE evaluation.</span>
<a name="l00903"></a>00903 var.<a class="code" href="classlibdap_1_1BaseType.html#1f45893684a69b50b37817b88230de9f" title="Move data to the net.">serialize</a>(eval, dds, m, <span class="keyword">false</span>);
<a name="l00904"></a>00904 }
<a name="l00905"></a>00905 <span class="keywordflow">catch</span> (<a class="code" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a> &e) {
<a name="l00906"></a>00906 <span class="keywordflow">throw</span>;
<a name="l00907"></a>00907 }
<a name="l00908"></a>00908 }
<a name="l00909"></a>00909 <span class="comment">//#endif</span>
<a name="l00910"></a>00910 <span class="comment">// 'lmt' unused. Should it be used to supply a LMT or removed from the</span>
<a name="l00911"></a>00911 <span class="comment">// method? jhrg 8/9/05</span>
<a name="l00912"></a>00912 <span class="keywordtype">void</span>
<a name="l00913"></a><a class="code" href="classlibdap_1_1DODSFilter.html#16dd363c7532a7b590c405151332489a">00913</a> <a class="code" href="classlibdap_1_1DODSFilter.html#16dd363c7532a7b590c405151332489a">DODSFilter::functional_constraint</a>(<a class="code" href="classlibdap_1_1BaseType.html" title="The basic data type for the DODS DAP types.">BaseType</a> &var, <a class="code" href="classlibdap_1_1DDS.html">DDS</a> &dds,
<a name="l00914"></a>00914 <a class="code" href="classlibdap_1_1ConstraintEvaluator.html" title="Evaluate a constraint expression.">ConstraintEvaluator</a> &eval, ostream &out)<span class="keyword"> const</span>
<a name="l00915"></a>00915 <span class="keyword"></span>{
<a name="l00916"></a>00916 out << <span class="stringliteral">"Dataset {\n"</span> ;
<a name="l00917"></a>00917 var.<a class="code" href="classlibdap_1_1BaseType.html#2d799fad93255d7f2b803562ae7a5784" title="Print an ASCII representation of the variable structure.">print_decl</a>(out, <span class="stringliteral">" "</span>, <span class="keyword">true</span>, <span class="keyword">false</span>, <span class="keyword">true</span>);
<a name="l00918"></a>00918 out << <span class="stringliteral">"} function_value;\n"</span> ;
<a name="l00919"></a>00919 out << <span class="stringliteral">"Data:\n"</span> ;
<a name="l00920"></a>00920
<a name="l00921"></a>00921 out << flush ;
<a name="l00922"></a>00922
<a name="l00923"></a>00923 <span class="comment">// Grab a stream encodes using XDR.</span>
<a name="l00924"></a>00924 <a class="code" href="classlibdap_1_1XDRStreamMarshaller.html" title="marshaller that knows how to marshall/serialize dap data objects to a C++ iostream...">XDRStreamMarshaller</a> m( out ) ;
<a name="l00925"></a>00925
<a name="l00926"></a>00926 <span class="keywordflow">try</span> {
<a name="l00927"></a>00927 <span class="comment">// In the following call to serialize, suppress CE evaluation.</span>
<a name="l00928"></a>00928 var.<a class="code" href="classlibdap_1_1BaseType.html#1f45893684a69b50b37817b88230de9f" title="Move data to the net.">serialize</a>(eval, dds, m, <span class="keyword">false</span>);
<a name="l00929"></a>00929 }
<a name="l00930"></a>00930 <span class="keywordflow">catch</span> (<a class="code" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a> &e) {
<a name="l00931"></a>00931 <span class="keywordflow">throw</span>;
<a name="l00932"></a>00932 }
<a name="l00933"></a>00933 }
<a name="l00934"></a>00934 <span class="comment">//#if FILE_METHODS</span>
<a name="l00935"></a>00935 <span class="keywordtype">void</span>
<a name="l00936"></a><a class="code" href="classlibdap_1_1DODSFilter.html#e3c324402842fd3d80f6216e33e82d72">00936</a> <a class="code" href="classlibdap_1_1DODSFilter.html#3a38bd6bb737363f8f6ec9dffbdbb429">DODSFilter::dataset_constraint</a>(<a class="code" href="classlibdap_1_1DDS.html">DDS</a> & dds, <a class="code" href="classlibdap_1_1ConstraintEvaluator.html" title="Evaluate a constraint expression.">ConstraintEvaluator</a> & eval,
<a name="l00937"></a>00937 FILE * out)<span class="keyword"> const</span>
<a name="l00938"></a>00938 <span class="keyword"></span>{
<a name="l00939"></a>00939 <span class="comment">// send constrained DDS</span>
<a name="l00940"></a>00940 dds.<a class="code" href="classlibdap_1_1DDS.html#ac3dca048c1d085d72b44df8b7088cd5" title="Print a constrained DDS to the specified file.">print_constrained</a>(out);
<a name="l00941"></a>00941 fprintf(out, <span class="stringliteral">"Data:\n"</span>);
<a name="l00942"></a>00942 fflush(out);
<a name="l00943"></a>00943
<a name="l00944"></a>00944 <span class="comment">// Grab a stream that encodes using XDR.</span>
<a name="l00945"></a>00945 <a class="code" href="classlibdap_1_1XDRFileMarshaller.html" title="marshaller that knows how to marshall/serialize dap data objects to a file using...">XDRFileMarshaller</a> m( out ) ;
<a name="l00946"></a>00946
<a name="l00947"></a>00947 <span class="keywordflow">try</span> {
<a name="l00948"></a>00948 <span class="comment">// Send all variables in the current projection (send_p())</span>
<a name="l00949"></a>00949 <span class="keywordflow">for</span> (<a class="code" href="classlibdap_1_1DDS.html#5140f67d8f7eecf0a260d8a5d9fc39c5">DDS::Vars_iter</a> i = dds.<a class="code" href="classlibdap_1_1DDS.html#ac98f248cd5730a8769f9d71af9788d3" title="Return an iterator to the first variable.">var_begin</a>(); i != dds.<a class="code" href="classlibdap_1_1DDS.html#d204bbd6eed8d440fb996f41bc986058" title="Return an iterator.">var_end</a>(); i++)
<a name="l00950"></a>00950 <span class="keywordflow">if</span> ((*i)->send_p()) {
<a name="l00951"></a>00951 <a class="code" href="debug_8h.html#32adf79142f0a426b5e782fb7cd4cad3">DBG</a>(cerr << <span class="stringliteral">"Sending "</span> << (*i)->name() << endl);
<a name="l00952"></a>00952 (*i)->serialize(eval, dds, m, <span class="keyword">true</span>);
<a name="l00953"></a>00953 }
<a name="l00954"></a>00954 }
<a name="l00955"></a>00955 <span class="keywordflow">catch</span> (<a class="code" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a> & e) {
<a name="l00956"></a>00956 <span class="keywordflow">throw</span>;
<a name="l00957"></a>00957 }
<a name="l00958"></a>00958 }
<a name="l00959"></a>00959 <span class="comment">//#endif</span>
<a name="l00960"></a>00960
<a name="l00961"></a>00961 <span class="keywordtype">void</span>
<a name="l00962"></a><a class="code" href="classlibdap_1_1DODSFilter.html#3a38bd6bb737363f8f6ec9dffbdbb429">00962</a> <a class="code" href="classlibdap_1_1DODSFilter.html#3a38bd6bb737363f8f6ec9dffbdbb429">DODSFilter::dataset_constraint</a>(<a class="code" href="classlibdap_1_1DDS.html">DDS</a> & dds, <a class="code" href="classlibdap_1_1ConstraintEvaluator.html" title="Evaluate a constraint expression.">ConstraintEvaluator</a> & eval,
<a name="l00963"></a>00963 ostream &out)<span class="keyword"> const</span>
<a name="l00964"></a>00964 <span class="keyword"></span>{
<a name="l00965"></a>00965 <span class="comment">// send constrained DDS</span>
<a name="l00966"></a>00966 dds.<a class="code" href="classlibdap_1_1DDS.html#ac3dca048c1d085d72b44df8b7088cd5" title="Print a constrained DDS to the specified file.">print_constrained</a>(out);
<a name="l00967"></a>00967 out << <span class="stringliteral">"Data:\n"</span> ;
<a name="l00968"></a>00968 out << flush ;
<a name="l00969"></a>00969
<a name="l00970"></a>00970 <span class="comment">// Grab a stream that encodes using XDR.</span>
<a name="l00971"></a>00971 <a class="code" href="classlibdap_1_1XDRStreamMarshaller.html" title="marshaller that knows how to marshall/serialize dap data objects to a C++ iostream...">XDRStreamMarshaller</a> m( out ) ;
<a name="l00972"></a>00972
<a name="l00973"></a>00973 <span class="keywordflow">try</span> {
<a name="l00974"></a>00974 <span class="comment">// Send all variables in the current projection (send_p())</span>
<a name="l00975"></a>00975 <span class="keywordflow">for</span> (<a class="code" href="classlibdap_1_1DDS.html#5140f67d8f7eecf0a260d8a5d9fc39c5">DDS::Vars_iter</a> i = dds.<a class="code" href="classlibdap_1_1DDS.html#ac98f248cd5730a8769f9d71af9788d3" title="Return an iterator to the first variable.">var_begin</a>(); i != dds.<a class="code" href="classlibdap_1_1DDS.html#d204bbd6eed8d440fb996f41bc986058" title="Return an iterator.">var_end</a>(); i++)
<a name="l00976"></a>00976 <span class="keywordflow">if</span> ((*i)->send_p()) {
<a name="l00977"></a>00977 <a class="code" href="debug_8h.html#32adf79142f0a426b5e782fb7cd4cad3">DBG</a>(cerr << <span class="stringliteral">"Sending "</span> << (*i)->name() << endl);
<a name="l00978"></a>00978 (*i)->serialize(eval, dds, m, <span class="keyword">true</span>);
<a name="l00979"></a>00979 }
<a name="l00980"></a>00980 }
<a name="l00981"></a>00981 <span class="keywordflow">catch</span> (<a class="code" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a> & e) {
<a name="l00982"></a>00982 <span class="keywordflow">throw</span>;
<a name="l00983"></a>00983 }
<a name="l00984"></a>00984 }
<a name="l00985"></a>00985 <span class="comment">//#if FILE_METHODS</span>
<a name="l01002"></a>01002 <span class="comment"></span><span class="keywordtype">void</span>
<a name="l01003"></a><a class="code" href="classlibdap_1_1DODSFilter.html#b741923f3f777df6648a71cec8157bdc">01003</a> <a class="code" href="classlibdap_1_1DODSFilter.html#01f7f1509b351472c74493303429e43d" title="Transmit data.">DODSFilter::send_data</a>(<a class="code" href="classlibdap_1_1DDS.html">DDS</a> & dds, <a class="code" href="classlibdap_1_1ConstraintEvaluator.html" title="Evaluate a constraint expression.">ConstraintEvaluator</a> & eval,
<a name="l01004"></a>01004 FILE * data_stream, <span class="keyword">const</span> <span class="keywordtype">string</span> & anc_location,
<a name="l01005"></a>01005 <span class="keywordtype">bool</span> with_mime_headers)<span class="keyword"> const</span>
<a name="l01006"></a>01006 <span class="keyword"></span>{
<a name="l01007"></a>01007 <span class="comment">// If this is a conditional request and the server should send a 304</span>
<a name="l01008"></a>01008 <span class="comment">// response, do that and exit. Otherwise, continue on and send the full</span>
<a name="l01009"></a>01009 <span class="comment">// response.</span>
<a name="l01010"></a>01010 time_t data_lmt = <a class="code" href="classlibdap_1_1DODSFilter.html#a5fc0e0c30a428025907de4a0585f5d9">get_data_last_modified_time</a>(anc_location);
<a name="l01011"></a>01011 <span class="keywordflow">if</span> (<a class="code" href="classlibdap_1_1DODSFilter.html#0129530c994f1e826c6b6357ea48a650" title="Is this request conditional?">is_conditional</a>()
<a name="l01012"></a>01012 && data_lmt <= <a class="code" href="classlibdap_1_1DODSFilter.html#ad6c4d1bd437c7bb8b5c13d81739960f">get_request_if_modified_since</a>()
<a name="l01013"></a>01013 && with_mime_headers) {
<a name="l01014"></a>01014 <a class="code" href="namespacelibdap.html#46842454008837163552f30754a7388a" title="Send a `Not Modified&#39; response.">set_mime_not_modified</a>(data_stream);
<a name="l01015"></a>01015 <span class="keywordflow">return</span>;
<a name="l01016"></a>01016 }
<a name="l01017"></a>01017 <span class="comment">// Set up the alarm.</span>
<a name="l01018"></a>01018 <a class="code" href="classlibdap_1_1DODSFilter.html#a22ce448000822dafde1c227fe3d19ed">establish_timeout</a>(data_stream);
<a name="l01019"></a>01019 dds.<a class="code" href="classlibdap_1_1DDS.html#c97d9bc59c742b46614779f9381baf6a">set_timeout</a>(<a class="code" href="classlibdap_1_1DODSFilter.html#acd4a007b3849111d16f53fbdad31268">d_timeout</a>);
<a name="l01020"></a>01020
<a name="l01021"></a>01021 eval.<a class="code" href="classlibdap_1_1ConstraintEvaluator.html#aeb4a7662178b992d9e36ff1dc0fc2bc" title="Parse the constraint expression given the current DDS.">parse_constraint</a>(<a class="code" href="classlibdap_1_1DODSFilter.html#ec3b01d948821317cebee18bc489365b">d_ce</a>, dds); <span class="comment">// Throws Error if the ce doesn't</span>
<a name="l01022"></a>01022 <span class="comment">// parse.</span>
<a name="l01023"></a>01023
<a name="l01024"></a>01024 dds.<a class="code" href="classlibdap_1_1DDS.html#9d4421c2ccfdbc5ebd4a7d963ab53795" title="Traverse DDS, set Sequence leaf nodes.">tag_nested_sequences</a>(); <span class="comment">// Tag Sequences as Parent or Leaf node.</span>
<a name="l01025"></a>01025
<a name="l01026"></a>01026 <span class="comment">// Start sending the response...</span>
<a name="l01027"></a>01027 <span class="preprocessor">#if COMPRESSION_FOR_SERVER3</span>
<a name="l01028"></a>01028 <span class="preprocessor"></span> <span class="keywordtype">bool</span> compress = <a class="code" href="classlibdap_1_1DODSFilter.html#c341bef83b259326604a80d39662c8ba">d_comp</a> && <a class="code" href="namespacelibdap.html#27871bfdfbe3fda3db0d2d8e5966d771">deflate_exists</a>();
<a name="l01029"></a>01029 <span class="preprocessor">#endif</span>
<a name="l01030"></a>01030 <span class="preprocessor"></span>
<a name="l01031"></a>01031 <span class="comment">// Handle *functional* constraint expressions specially</span>
<a name="l01032"></a>01032 <span class="keywordflow">if</span> (eval.<a class="code" href="classlibdap_1_1ConstraintEvaluator.html#dd46ce1d9ef36fa26a2913d8d7c51096" title="Does the current constraint expression return a BaseType pointer?">functional_expression</a>()) {
<a name="l01033"></a>01033 <span class="comment">// Get the result and then start sending the headers. This provides a</span>
<a name="l01034"></a>01034 <span class="comment">// way to send errors back to the client w/o colliding with the</span>
<a name="l01035"></a>01035 <span class="comment">// normal response headers. There's some duplication of code with this</span>
<a name="l01036"></a>01036 <span class="comment">// and the else-clause.</span>
<a name="l01037"></a>01037 <a class="code" href="classlibdap_1_1BaseType.html" title="The basic data type for the DODS DAP types.">BaseType</a> *var = eval.<a class="code" href="classlibdap_1_1ConstraintEvaluator.html#3d433bb6769cc95fb299249b5e5d74c4" title="Evaluate a function-valued constraint expression.">eval_function</a>(dds, <a class="code" href="classlibdap_1_1DODSFilter.html#bd2238d1d57f34a1d3a0a1d074b9530f">d_dataset</a>);
<a name="l01038"></a>01038 <span class="keywordflow">if</span> (!var)
<a name="l01039"></a>01039 <span class="keywordflow">throw</span> <a class="code" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a>(<a class="code" href="Error_8h.html#40b0db75d00d0338a597aa84e71109bf" title="Unknown error.">unknown_error</a>, <span class="stringliteral">"Error calling the CE function."</span>);
<a name="l01040"></a>01040
<a name="l01041"></a>01041 <span class="preprocessor">#if COMPRESSION_FOR_SERVER3</span>
<a name="l01042"></a>01042 <span class="preprocessor"></span> <span class="keywordflow">if</span> (with_mime_headers)
<a name="l01043"></a>01043 <a class="code" href="namespacelibdap.html#57a713334cf4756cabd29e7468ef8bae">set_mime_binary</a>(data_stream, <a class="code" href="namespacelibdap.html#e7466ed8496f06654ec276eac907c06a81aaa5f03d4278cb44a2148d13384710">dods_data</a>, <a class="code" href="classlibdap_1_1DODSFilter.html#20a3784b4893aa9344908e60c228101d">d_cgi_ver</a>,
<a name="l01044"></a>01044 (compress) ? <a class="code" href="namespacelibdap.html#ada86e90b40fc8068dbfe9be79f09e553b0e7efd18178acc018030f0e69565a5">deflate</a> : <a class="code" href="namespacelibdap.html#ada86e90b40fc8068dbfe9be79f09e55b128dd348d8e64eff653ca8efa0574f4">x_plain</a>, data_lmt);
<a name="l01045"></a>01045 fflush(data_stream);
<a name="l01046"></a>01046
<a name="l01047"></a>01047 <span class="keywordtype">int</span> childpid;
<a name="l01048"></a>01048 <span class="keywordflow">if</span> (compress)
<a name="l01049"></a>01049 data_stream = <a class="code" href="namespacelibdap.html#cd1d919406377c736eb8ad51933c2cd0">compressor</a>(data_stream, childpid);
<a name="l01050"></a>01050 <span class="preprocessor">#endif</span>
<a name="l01051"></a>01051 <span class="preprocessor"></span> <span class="keywordflow">if</span> (with_mime_headers)
<a name="l01052"></a>01052 <a class="code" href="namespacelibdap.html#57a713334cf4756cabd29e7468ef8bae">set_mime_binary</a>(data_stream, <a class="code" href="namespacelibdap.html#e7466ed8496f06654ec276eac907c06a81aaa5f03d4278cb44a2148d13384710">dods_data</a>, <a class="code" href="classlibdap_1_1DODSFilter.html#20a3784b4893aa9344908e60c228101d">d_cgi_ver</a>, x_plain, data_lmt);
<a name="l01053"></a>01053
<a name="l01054"></a>01054 fflush(data_stream);
<a name="l01055"></a>01055
<a name="l01056"></a>01056 <a class="code" href="classlibdap_1_1DODSFilter.html#16dd363c7532a7b590c405151332489a">functional_constraint</a>(*var, dds, eval, data_stream);
<a name="l01057"></a>01057 <span class="keyword">delete</span> var;
<a name="l01058"></a>01058 var = 0;
<a name="l01059"></a>01059 }
<a name="l01060"></a>01060 <span class="keywordflow">else</span> {
<a name="l01061"></a>01061 <span class="preprocessor">#if COMPRESSION_FOR_SERVER3</span>
<a name="l01062"></a>01062 <span class="preprocessor"></span> <span class="keywordflow">if</span> (with_mime_headers)
<a name="l01063"></a>01063 <a class="code" href="namespacelibdap.html#57a713334cf4756cabd29e7468ef8bae">set_mime_binary</a>(data_stream, <a class="code" href="namespacelibdap.html#e7466ed8496f06654ec276eac907c06a81aaa5f03d4278cb44a2148d13384710">dods_data</a>, <a class="code" href="classlibdap_1_1DODSFilter.html#20a3784b4893aa9344908e60c228101d">d_cgi_ver</a>,
<a name="l01064"></a>01064 (compress) ? <a class="code" href="namespacelibdap.html#ada86e90b40fc8068dbfe9be79f09e553b0e7efd18178acc018030f0e69565a5">deflate</a> : <a class="code" href="namespacelibdap.html#ada86e90b40fc8068dbfe9be79f09e55b128dd348d8e64eff653ca8efa0574f4">x_plain</a>, data_lmt);
<a name="l01065"></a>01065 fflush(data_stream);
<a name="l01066"></a>01066
<a name="l01067"></a>01067 <span class="keywordtype">int</span> childpid;
<a name="l01068"></a>01068 <span class="keywordflow">if</span> (compress)
<a name="l01069"></a>01069 data_stream = <a class="code" href="namespacelibdap.html#cd1d919406377c736eb8ad51933c2cd0">compressor</a>(data_stream, childpid);
<a name="l01070"></a>01070 <span class="preprocessor">#endif</span>
<a name="l01071"></a>01071 <span class="preprocessor"></span> <span class="keywordflow">if</span> (with_mime_headers)
<a name="l01072"></a>01072 <a class="code" href="namespacelibdap.html#57a713334cf4756cabd29e7468ef8bae">set_mime_binary</a>(data_stream, <a class="code" href="namespacelibdap.html#e7466ed8496f06654ec276eac907c06a81aaa5f03d4278cb44a2148d13384710">dods_data</a>, <a class="code" href="classlibdap_1_1DODSFilter.html#20a3784b4893aa9344908e60c228101d">d_cgi_ver</a>, x_plain, data_lmt);
<a name="l01073"></a>01073
<a name="l01074"></a>01074 <a class="code" href="classlibdap_1_1DODSFilter.html#3a38bd6bb737363f8f6ec9dffbdbb429">dataset_constraint</a>(dds, eval, data_stream);
<a name="l01075"></a>01075 }
<a name="l01076"></a>01076
<a name="l01077"></a>01077 fflush(data_stream);
<a name="l01078"></a>01078 }
<a name="l01079"></a>01079 <span class="comment">//#endif</span>
<a name="l01096"></a>01096 <span class="comment"></span><span class="keywordtype">void</span>
<a name="l01097"></a><a class="code" href="classlibdap_1_1DODSFilter.html#01f7f1509b351472c74493303429e43d">01097</a> <a class="code" href="classlibdap_1_1DODSFilter.html#01f7f1509b351472c74493303429e43d" title="Transmit data.">DODSFilter::send_data</a>(<a class="code" href="classlibdap_1_1DDS.html">DDS</a> & dds, <a class="code" href="classlibdap_1_1ConstraintEvaluator.html" title="Evaluate a constraint expression.">ConstraintEvaluator</a> & eval,
<a name="l01098"></a>01098 ostream & data_stream, <span class="keyword">const</span> <span class="keywordtype">string</span> & anc_location,
<a name="l01099"></a>01099 <span class="keywordtype">bool</span> with_mime_headers)<span class="keyword"> const</span>
<a name="l01100"></a>01100 <span class="keyword"></span>{
<a name="l01101"></a>01101 <span class="comment">// If this is a conditional request and the server should send a 304</span>
<a name="l01102"></a>01102 <span class="comment">// response, do that and exit. Otherwise, continue on and send the full</span>
<a name="l01103"></a>01103 <span class="comment">// response.</span>
<a name="l01104"></a>01104 time_t data_lmt = <a class="code" href="classlibdap_1_1DODSFilter.html#a5fc0e0c30a428025907de4a0585f5d9">get_data_last_modified_time</a>(anc_location);
<a name="l01105"></a>01105 <span class="keywordflow">if</span> (<a class="code" href="classlibdap_1_1DODSFilter.html#0129530c994f1e826c6b6357ea48a650" title="Is this request conditional?">is_conditional</a>()
<a name="l01106"></a>01106 && data_lmt <= <a class="code" href="classlibdap_1_1DODSFilter.html#ad6c4d1bd437c7bb8b5c13d81739960f">get_request_if_modified_since</a>()
<a name="l01107"></a>01107 && with_mime_headers) {
<a name="l01108"></a>01108 <a class="code" href="namespacelibdap.html#46842454008837163552f30754a7388a" title="Send a `Not Modified&#39; response.">set_mime_not_modified</a>(data_stream);
<a name="l01109"></a>01109 <span class="keywordflow">return</span>;
<a name="l01110"></a>01110 }
<a name="l01111"></a>01111 <span class="comment">// Set up the alarm.</span>
<a name="l01112"></a>01112 <a class="code" href="classlibdap_1_1DODSFilter.html#a22ce448000822dafde1c227fe3d19ed">establish_timeout</a>(data_stream);
<a name="l01113"></a>01113 dds.<a class="code" href="classlibdap_1_1DDS.html#c97d9bc59c742b46614779f9381baf6a">set_timeout</a>(<a class="code" href="classlibdap_1_1DODSFilter.html#acd4a007b3849111d16f53fbdad31268">d_timeout</a>);
<a name="l01114"></a>01114
<a name="l01115"></a>01115 eval.<a class="code" href="classlibdap_1_1ConstraintEvaluator.html#aeb4a7662178b992d9e36ff1dc0fc2bc" title="Parse the constraint expression given the current DDS.">parse_constraint</a>(<a class="code" href="classlibdap_1_1DODSFilter.html#ec3b01d948821317cebee18bc489365b">d_ce</a>, dds); <span class="comment">// Throws Error if the ce doesn't</span>
<a name="l01116"></a>01116 <span class="comment">// parse.</span>
<a name="l01117"></a>01117
<a name="l01118"></a>01118 dds.<a class="code" href="classlibdap_1_1DDS.html#9d4421c2ccfdbc5ebd4a7d963ab53795" title="Traverse DDS, set Sequence leaf nodes.">tag_nested_sequences</a>(); <span class="comment">// Tag Sequences as Parent or Leaf node.</span>
<a name="l01119"></a>01119
<a name="l01120"></a>01120 <span class="comment">// Start sending the response...</span>
<a name="l01121"></a>01121 <span class="preprocessor">#if COMPRESSION_FOR_SERVER3</span>
<a name="l01122"></a>01122 <span class="preprocessor"></span> <span class="keywordtype">bool</span> compress = <a class="code" href="classlibdap_1_1DODSFilter.html#c341bef83b259326604a80d39662c8ba">d_comp</a> && <a class="code" href="namespacelibdap.html#27871bfdfbe3fda3db0d2d8e5966d771">deflate_exists</a>();
<a name="l01123"></a>01123 <span class="preprocessor">#endif</span>
<a name="l01124"></a>01124 <span class="preprocessor"></span>
<a name="l01125"></a>01125 <span class="comment">// Handle *functional* constraint expressions specially</span>
<a name="l01126"></a>01126 <span class="keywordflow">if</span> (eval.<a class="code" href="classlibdap_1_1ConstraintEvaluator.html#dd46ce1d9ef36fa26a2913d8d7c51096" title="Does the current constraint expression return a BaseType pointer?">functional_expression</a>()) {
<a name="l01127"></a>01127 <span class="comment">// Get the result and then start sending the headers. This provides a</span>
<a name="l01128"></a>01128 <span class="comment">// way to send errors back to the client w/o colliding with the</span>
<a name="l01129"></a>01129 <span class="comment">// normal response headers. There's some duplication of code with this</span>
<a name="l01130"></a>01130 <span class="comment">// and the else-clause.</span>
<a name="l01131"></a>01131 <a class="code" href="classlibdap_1_1BaseType.html" title="The basic data type for the DODS DAP types.">BaseType</a> *var = eval.<a class="code" href="classlibdap_1_1ConstraintEvaluator.html#3d433bb6769cc95fb299249b5e5d74c4" title="Evaluate a function-valued constraint expression.">eval_function</a>(dds, <a class="code" href="classlibdap_1_1DODSFilter.html#bd2238d1d57f34a1d3a0a1d074b9530f">d_dataset</a>);
<a name="l01132"></a>01132 <span class="keywordflow">if</span> (!var)
<a name="l01133"></a>01133 <span class="keywordflow">throw</span> <a class="code" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a>(<a class="code" href="Error_8h.html#40b0db75d00d0338a597aa84e71109bf" title="Unknown error.">unknown_error</a>, <span class="stringliteral">"Error calling the CE function."</span>);
<a name="l01134"></a>01134
<a name="l01135"></a>01135 <span class="preprocessor">#if COMPRESSION_FOR_SERVER3</span>
<a name="l01136"></a>01136 <span class="preprocessor"></span> <span class="keywordflow">if</span> (with_mime_headers)
<a name="l01137"></a>01137 <a class="code" href="namespacelibdap.html#57a713334cf4756cabd29e7468ef8bae">set_mime_binary</a>(data_stream, <a class="code" href="namespacelibdap.html#e7466ed8496f06654ec276eac907c06a81aaa5f03d4278cb44a2148d13384710">dods_data</a>, <a class="code" href="classlibdap_1_1DODSFilter.html#20a3784b4893aa9344908e60c228101d">d_cgi_ver</a>,
<a name="l01138"></a>01138 (compress) ? <a class="code" href="namespacelibdap.html#ada86e90b40fc8068dbfe9be79f09e553b0e7efd18178acc018030f0e69565a5">deflate</a> : <a class="code" href="namespacelibdap.html#ada86e90b40fc8068dbfe9be79f09e55b128dd348d8e64eff653ca8efa0574f4">x_plain</a>, data_lmt);
<a name="l01139"></a>01139 data_stream << flush ;
<a name="l01140"></a>01140
<a name="l01141"></a>01141 <span class="keywordtype">int</span> childpid;
<a name="l01142"></a>01142 <span class="keywordflow">if</span> (compress)
<a name="l01143"></a>01143 data_stream = <a class="code" href="namespacelibdap.html#cd1d919406377c736eb8ad51933c2cd0">compressor</a>(data_stream, childpid);
<a name="l01144"></a>01144 <span class="preprocessor">#endif</span>
<a name="l01145"></a>01145 <span class="preprocessor"></span> <span class="keywordflow">if</span> (with_mime_headers)
<a name="l01146"></a>01146 <a class="code" href="namespacelibdap.html#57a713334cf4756cabd29e7468ef8bae">set_mime_binary</a>(data_stream, <a class="code" href="namespacelibdap.html#e7466ed8496f06654ec276eac907c06a81aaa5f03d4278cb44a2148d13384710">dods_data</a>, <a class="code" href="classlibdap_1_1DODSFilter.html#20a3784b4893aa9344908e60c228101d">d_cgi_ver</a>, x_plain, data_lmt);
<a name="l01147"></a>01147
<a name="l01148"></a>01148 data_stream << flush ;
<a name="l01149"></a>01149
<a name="l01150"></a>01150 <a class="code" href="classlibdap_1_1DODSFilter.html#16dd363c7532a7b590c405151332489a">functional_constraint</a>(*var, dds, eval, data_stream);
<a name="l01151"></a>01151 <span class="keyword">delete</span> var;
<a name="l01152"></a>01152 var = 0;
<a name="l01153"></a>01153 }
<a name="l01154"></a>01154 <span class="keywordflow">else</span> {
<a name="l01155"></a>01155 <span class="preprocessor">#if COMPRESSION_FOR_SERVER3</span>
<a name="l01156"></a>01156 <span class="preprocessor"></span> <span class="keywordflow">if</span> (with_mime_headers)
<a name="l01157"></a>01157 <a class="code" href="namespacelibdap.html#57a713334cf4756cabd29e7468ef8bae">set_mime_binary</a>(data_stream, <a class="code" href="namespacelibdap.html#e7466ed8496f06654ec276eac907c06a81aaa5f03d4278cb44a2148d13384710">dods_data</a>, <a class="code" href="classlibdap_1_1DODSFilter.html#20a3784b4893aa9344908e60c228101d">d_cgi_ver</a>,
<a name="l01158"></a>01158 (compress) ? <a class="code" href="namespacelibdap.html#ada86e90b40fc8068dbfe9be79f09e553b0e7efd18178acc018030f0e69565a5">deflate</a> : <a class="code" href="namespacelibdap.html#ada86e90b40fc8068dbfe9be79f09e55b128dd348d8e64eff653ca8efa0574f4">x_plain</a>, data_lmt);
<a name="l01159"></a>01159 data_stream << flush ;
<a name="l01160"></a>01160
<a name="l01161"></a>01161 <span class="keywordtype">int</span> childpid;
<a name="l01162"></a>01162 <span class="keywordflow">if</span> (compress)
<a name="l01163"></a>01163 data_stream = <a class="code" href="namespacelibdap.html#cd1d919406377c736eb8ad51933c2cd0">compressor</a>(data_stream, childpid);
<a name="l01164"></a>01164 <span class="preprocessor">#endif</span>
<a name="l01165"></a>01165 <span class="preprocessor"></span> <span class="keywordflow">if</span> (with_mime_headers)
<a name="l01166"></a>01166 <a class="code" href="namespacelibdap.html#57a713334cf4756cabd29e7468ef8bae">set_mime_binary</a>(data_stream, <a class="code" href="namespacelibdap.html#e7466ed8496f06654ec276eac907c06a81aaa5f03d4278cb44a2148d13384710">dods_data</a>, <a class="code" href="classlibdap_1_1DODSFilter.html#20a3784b4893aa9344908e60c228101d">d_cgi_ver</a>, x_plain, data_lmt);
<a name="l01167"></a>01167
<a name="l01168"></a>01168 <a class="code" href="classlibdap_1_1DODSFilter.html#3a38bd6bb737363f8f6ec9dffbdbb429">dataset_constraint</a>(dds, eval, data_stream);
<a name="l01169"></a>01169 }
<a name="l01170"></a>01170
<a name="l01171"></a>01171 data_stream << flush ;
<a name="l01172"></a>01172 }
<a name="l01173"></a>01173
<a name="l01174"></a>01174 <span class="comment">//#if FILE_METHODS</span>
<a name="l01185"></a>01185 <span class="comment"></span><span class="keywordtype">void</span>
<a name="l01186"></a><a class="code" href="classlibdap_1_1DODSFilter.html#b2b0416924660affb74c5a3e6e30cae8">01186</a> <a class="code" href="classlibdap_1_1DODSFilter.html#7326c5e9c62affd221c0e99cf6f9fdd1">DODSFilter::send_ddx</a>(<a class="code" href="classlibdap_1_1DDS.html">DDS</a> &dds, <a class="code" href="classlibdap_1_1ConstraintEvaluator.html" title="Evaluate a constraint expression.">ConstraintEvaluator</a> &eval, FILE *out,
<a name="l01187"></a>01187 <span class="keywordtype">bool</span> with_mime_headers)<span class="keyword"> const</span>
<a name="l01188"></a>01188 <span class="keyword"></span>{
<a name="l01189"></a>01189 <span class="comment">// If constrained, parse the constraint. Throws Error or InternalErr.</span>
<a name="l01190"></a>01190 <span class="keywordflow">if</span> (!<a class="code" href="classlibdap_1_1DODSFilter.html#ec3b01d948821317cebee18bc489365b">d_ce</a>.empty())
<a name="l01191"></a>01191 eval.<a class="code" href="classlibdap_1_1ConstraintEvaluator.html#aeb4a7662178b992d9e36ff1dc0fc2bc" title="Parse the constraint expression given the current DDS.">parse_constraint</a>(<a class="code" href="classlibdap_1_1DODSFilter.html#ec3b01d948821317cebee18bc489365b">d_ce</a>, dds);
<a name="l01192"></a>01192
<a name="l01193"></a>01193 <span class="keywordflow">if</span> (eval.<a class="code" href="classlibdap_1_1ConstraintEvaluator.html#dd46ce1d9ef36fa26a2913d8d7c51096" title="Does the current constraint expression return a BaseType pointer?">functional_expression</a>())
<a name="l01194"></a>01194 <span class="keywordflow">throw</span> <a class="code" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a>(<span class="stringliteral">"Function calls can only be used with data requests. To see the structure of the underlying data source, reissue the URL without the function."</span>);
<a name="l01195"></a>01195
<a name="l01196"></a>01196 time_t dds_lmt = <a class="code" href="classlibdap_1_1DODSFilter.html#e572e243caf43e6c24a0b85a504fccca">get_dds_last_modified_time</a>(<a class="code" href="classlibdap_1_1DODSFilter.html#d3b704cdf6eae452da68dc16731ee5ce">d_anc_dir</a>);
<a name="l01197"></a>01197
<a name="l01198"></a>01198 <span class="comment">// If this is a conditional request and the server should send a 304</span>
<a name="l01199"></a>01199 <span class="comment">// response, do that and exit. Otherwise, continue on and send the full</span>
<a name="l01200"></a>01200 <span class="comment">// response.</span>
<a name="l01201"></a>01201 <span class="keywordflow">if</span> (<a class="code" href="classlibdap_1_1DODSFilter.html#0129530c994f1e826c6b6357ea48a650" title="Is this request conditional?">is_conditional</a>() && dds_lmt <= <a class="code" href="classlibdap_1_1DODSFilter.html#ad6c4d1bd437c7bb8b5c13d81739960f">get_request_if_modified_since</a>()
<a name="l01202"></a>01202 && with_mime_headers) {
<a name="l01203"></a>01203 <a class="code" href="namespacelibdap.html#46842454008837163552f30754a7388a" title="Send a `Not Modified&#39; response.">set_mime_not_modified</a>(out);
<a name="l01204"></a>01204 <span class="keywordflow">return</span>;
<a name="l01205"></a>01205 }
<a name="l01206"></a>01206 <span class="keywordflow">else</span> {
<a name="l01207"></a>01207 <span class="keywordflow">if</span> (with_mime_headers)
<a name="l01208"></a>01208 <a class="code" href="namespacelibdap.html#ef829d3d34220c1f9db6cd02ae56847a">set_mime_text</a>(out, <a class="code" href="namespacelibdap.html#e7466ed8496f06654ec276eac907c06a605a335e5665d5f3ac75cacf42a15ae8">dap4_ddx</a>, <a class="code" href="classlibdap_1_1DODSFilter.html#20a3784b4893aa9344908e60c228101d">d_cgi_ver</a>, <a class="code" href="namespacelibdap.html#ada86e90b40fc8068dbfe9be79f09e55b128dd348d8e64eff653ca8efa0574f4">x_plain</a>, dds_lmt);
<a name="l01209"></a>01209 dds.<a class="code" href="classlibdap_1_1DDS.html#b36a8e3fb32b7449c32e18ca6a7f529a">print_xml</a>(out, !<a class="code" href="classlibdap_1_1DODSFilter.html#ec3b01d948821317cebee18bc489365b">d_ce</a>.empty(), <a class="code" href="classlibdap_1_1DODSFilter.html#e415bfa9bee1c09e58a4330f51c761f8">d_url</a> + <span class="stringliteral">".blob?"</span> + <a class="code" href="classlibdap_1_1DODSFilter.html#ec3b01d948821317cebee18bc489365b">d_ce</a>);
<a name="l01210"></a>01210 }
<a name="l01211"></a>01211 }
<a name="l01212"></a>01212 <span class="comment">//#endif</span>
<a name="l01223"></a>01223 <span class="comment"></span><span class="keywordtype">void</span>
<a name="l01224"></a><a class="code" href="classlibdap_1_1DODSFilter.html#7326c5e9c62affd221c0e99cf6f9fdd1">01224</a> <a class="code" href="classlibdap_1_1DODSFilter.html#7326c5e9c62affd221c0e99cf6f9fdd1">DODSFilter::send_ddx</a>(<a class="code" href="classlibdap_1_1DDS.html">DDS</a> &dds, <a class="code" href="classlibdap_1_1ConstraintEvaluator.html" title="Evaluate a constraint expression.">ConstraintEvaluator</a> &eval, ostream &out,
<a name="l01225"></a>01225 <span class="keywordtype">bool</span> with_mime_headers)<span class="keyword"> const</span>
<a name="l01226"></a>01226 <span class="keyword"></span>{
<a name="l01227"></a>01227 <span class="comment">// If constrained, parse the constraint. Throws Error or InternalErr.</span>
<a name="l01228"></a>01228 <span class="keywordflow">if</span> (!<a class="code" href="classlibdap_1_1DODSFilter.html#ec3b01d948821317cebee18bc489365b">d_ce</a>.empty())
<a name="l01229"></a>01229 eval.<a class="code" href="classlibdap_1_1ConstraintEvaluator.html#aeb4a7662178b992d9e36ff1dc0fc2bc" title="Parse the constraint expression given the current DDS.">parse_constraint</a>(<a class="code" href="classlibdap_1_1DODSFilter.html#ec3b01d948821317cebee18bc489365b">d_ce</a>, dds);
<a name="l01230"></a>01230
<a name="l01231"></a>01231 <span class="keywordflow">if</span> (eval.<a class="code" href="classlibdap_1_1ConstraintEvaluator.html#dd46ce1d9ef36fa26a2913d8d7c51096" title="Does the current constraint expression return a BaseType pointer?">functional_expression</a>())
<a name="l01232"></a>01232 <span class="keywordflow">throw</span> <a class="code" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a>(<span class="stringliteral">"Function calls can only be used with data requests. To see the structure of the underlying data source, reissue the URL without the function."</span>);
<a name="l01233"></a>01233
<a name="l01234"></a>01234 time_t dds_lmt = <a class="code" href="classlibdap_1_1DODSFilter.html#e572e243caf43e6c24a0b85a504fccca">get_dds_last_modified_time</a>(<a class="code" href="classlibdap_1_1DODSFilter.html#d3b704cdf6eae452da68dc16731ee5ce">d_anc_dir</a>);
<a name="l01235"></a>01235
<a name="l01236"></a>01236 <span class="comment">// If this is a conditional request and the server should send a 304</span>
<a name="l01237"></a>01237 <span class="comment">// response, do that and exit. Otherwise, continue on and send the full</span>
<a name="l01238"></a>01238 <span class="comment">// response.</span>
<a name="l01239"></a>01239 <span class="keywordflow">if</span> (<a class="code" href="classlibdap_1_1DODSFilter.html#0129530c994f1e826c6b6357ea48a650" title="Is this request conditional?">is_conditional</a>() && dds_lmt <= <a class="code" href="classlibdap_1_1DODSFilter.html#ad6c4d1bd437c7bb8b5c13d81739960f">get_request_if_modified_since</a>()
<a name="l01240"></a>01240 && with_mime_headers) {
<a name="l01241"></a>01241 <a class="code" href="namespacelibdap.html#46842454008837163552f30754a7388a" title="Send a `Not Modified&#39; response.">set_mime_not_modified</a>(out);
<a name="l01242"></a>01242 <span class="keywordflow">return</span>;
<a name="l01243"></a>01243 }
<a name="l01244"></a>01244 <span class="keywordflow">else</span> {
<a name="l01245"></a>01245 <span class="keywordflow">if</span> (with_mime_headers)
<a name="l01246"></a>01246 <a class="code" href="namespacelibdap.html#ef829d3d34220c1f9db6cd02ae56847a">set_mime_text</a>(out, <a class="code" href="namespacelibdap.html#e7466ed8496f06654ec276eac907c06a605a335e5665d5f3ac75cacf42a15ae8">dap4_ddx</a>, <a class="code" href="classlibdap_1_1DODSFilter.html#20a3784b4893aa9344908e60c228101d">d_cgi_ver</a>, <a class="code" href="namespacelibdap.html#ada86e90b40fc8068dbfe9be79f09e55b128dd348d8e64eff653ca8efa0574f4">x_plain</a>, dds_lmt);
<a name="l01247"></a>01247 dds.<a class="code" href="classlibdap_1_1DDS.html#b36a8e3fb32b7449c32e18ca6a7f529a">print_xml</a>(out, !<a class="code" href="classlibdap_1_1DODSFilter.html#ec3b01d948821317cebee18bc489365b">d_ce</a>.empty(), <a class="code" href="classlibdap_1_1DODSFilter.html#e415bfa9bee1c09e58a4330f51c761f8">d_url</a> + <span class="stringliteral">".blob?"</span> + <a class="code" href="classlibdap_1_1DODSFilter.html#ec3b01d948821317cebee18bc489365b">d_ce</a>);
<a name="l01248"></a>01248 }
<a name="l01249"></a>01249 }
<a name="l01250"></a>01250 <span class="comment">//#if FILE_METHODS</span>
<a name="l01255"></a>01255 <span class="comment"></span><span class="keywordtype">void</span>
<a name="l01256"></a><a class="code" href="classlibdap_1_1DODSFilter.html#d0cc73486f422592f632d7df16dc6316">01256</a> <a class="code" href="classlibdap_1_1DODSFilter.html#d0cc73486f422592f632d7df16dc6316">DODSFilter::send_blob</a>(<a class="code" href="classlibdap_1_1DDS.html">DDS</a> &, FILE *, <span class="keywordtype">bool</span>)
<a name="l01257"></a>01257 {
<a name="l01258"></a>01258 <span class="preprocessor">#if 0</span>
<a name="l01259"></a>01259 <span class="preprocessor"></span> <span class="comment">// Broken. jhrg 4/3/06</span>
<a name="l01260"></a>01260 <span class="keywordtype">bool</span> compress = <a class="code" href="classlibdap_1_1DODSFilter.html#c341bef83b259326604a80d39662c8ba">d_comp</a> && <a class="code" href="namespacelibdap.html#27871bfdfbe3fda3db0d2d8e5966d771">deflate_exists</a>();
<a name="l01261"></a>01261 time_t data_lmt = <a class="code" href="classlibdap_1_1DODSFilter.html#a5fc0e0c30a428025907de4a0585f5d9">get_data_last_modified_time</a>(<a class="code" href="classlibdap_1_1DODSFilter.html#d3b704cdf6eae452da68dc16731ee5ce">d_anc_dir</a>);
<a name="l01262"></a>01262
<a name="l01263"></a>01263 <span class="comment">// If this is a conditional request and the server should send a 304</span>
<a name="l01264"></a>01264 <span class="comment">// response, do that and exit. Otherwise, continue on and send the full</span>
<a name="l01265"></a>01265 <span class="comment">// response.</span>
<a name="l01266"></a>01266 <span class="keywordflow">if</span> (<a class="code" href="classlibdap_1_1DODSFilter.html#0129530c994f1e826c6b6357ea48a650" title="Is this request conditional?">is_conditional</a>() && data_lmt <= <a class="code" href="classlibdap_1_1DODSFilter.html#ad6c4d1bd437c7bb8b5c13d81739960f">get_request_if_modified_since</a>()
<a name="l01267"></a>01267 && with_mime_headers) {
<a name="l01268"></a>01268 <a class="code" href="namespacelibdap.html#46842454008837163552f30754a7388a" title="Send a `Not Modified&#39; response.">set_mime_not_modified</a>(out);
<a name="l01269"></a>01269 <span class="keywordflow">return</span>;
<a name="l01270"></a>01270 }
<a name="l01271"></a>01271
<a name="l01272"></a>01272 dds.parse_constraint(<a class="code" href="classlibdap_1_1DODSFilter.html#ec3b01d948821317cebee18bc489365b">d_ce</a>);
<a name="l01273"></a>01273
<a name="l01274"></a>01274 <span class="comment">// Handle *functional* constraint expressions specially</span>
<a name="l01275"></a>01275 <span class="keywordflow">if</span> (dds.functional_expression()) {
<a name="l01276"></a>01276 <a class="code" href="classlibdap_1_1BaseType.html" title="The basic data type for the DODS DAP types.">BaseType</a> *var = dds.eval_function(<a class="code" href="classlibdap_1_1DODSFilter.html#bd2238d1d57f34a1d3a0a1d074b9530f">d_dataset</a>);
<a name="l01277"></a>01277 <span class="keywordflow">if</span> (!var)
<a name="l01278"></a>01278 <span class="keywordflow">throw</span> <a class="code" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a>(<span class="stringliteral">"Error calling the CE function."</span>);
<a name="l01279"></a>01279
<a name="l01280"></a>01280 <span class="keywordflow">if</span> (with_mime_headers)
<a name="l01281"></a>01281 <a class="code" href="namespacelibdap.html#57a713334cf4756cabd29e7468ef8bae">set_mime_binary</a>(out, <a class="code" href="namespacelibdap.html#e7466ed8496f06654ec276eac907c06a81aaa5f03d4278cb44a2148d13384710">dods_data</a>, <a class="code" href="classlibdap_1_1DODSFilter.html#20a3784b4893aa9344908e60c228101d">d_cgi_ver</a>,
<a name="l01282"></a>01282 (compress) ? <a class="code" href="namespacelibdap.html#ada86e90b40fc8068dbfe9be79f09e553b0e7efd18178acc018030f0e69565a5">deflate</a> : <a class="code" href="namespacelibdap.html#ada86e90b40fc8068dbfe9be79f09e55b128dd348d8e64eff653ca8efa0574f4">x_plain</a>, data_lmt);
<a name="l01283"></a>01283
<a name="l01284"></a>01284 FILE *comp_sink;
<a name="l01285"></a>01285 XDR *xdr_sink;
<a name="l01286"></a>01286 <span class="keywordtype">int</span> childpid = get_sinks(out, compress, &comp_sink, &xdr_sink);
<a name="l01287"></a>01287
<a name="l01288"></a>01288 <span class="comment">// In the following call to serialize, suppress CE evaluation.</span>
<a name="l01289"></a>01289 <span class="keywordflow">if</span> (!var-><a class="code" href="classlibdap_1_1BaseType.html#1f45893684a69b50b37817b88230de9f" title="Move data to the net.">serialize</a>(<a class="code" href="classlibdap_1_1DODSFilter.html#bd2238d1d57f34a1d3a0a1d074b9530f">d_dataset</a>, dds, xdr_sink, <span class="keyword">false</span>))
<a name="l01290"></a>01290 <span class="keywordflow">throw</span> <a class="code" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a>(<span class="stringliteral">"Could not send the function result."</span>);
<a name="l01291"></a>01291
<a name="l01292"></a>01292 clean_sinks(childpid, compress, xdr_sink, comp_sink);
<a name="l01293"></a>01293 }
<a name="l01294"></a>01294 <span class="keywordflow">else</span> {
<a name="l01295"></a>01295 <span class="keywordflow">if</span> (with_mime_headers)
<a name="l01296"></a>01296 <a class="code" href="namespacelibdap.html#57a713334cf4756cabd29e7468ef8bae">set_mime_binary</a>(out, <a class="code" href="namespacelibdap.html#e7466ed8496f06654ec276eac907c06a81aaa5f03d4278cb44a2148d13384710">dods_data</a>, <a class="code" href="classlibdap_1_1DODSFilter.html#20a3784b4893aa9344908e60c228101d">d_cgi_ver</a>,
<a name="l01297"></a>01297 (compress) ? <a class="code" href="namespacelibdap.html#ada86e90b40fc8068dbfe9be79f09e553b0e7efd18178acc018030f0e69565a5">deflate</a> : <a class="code" href="namespacelibdap.html#ada86e90b40fc8068dbfe9be79f09e55b128dd348d8e64eff653ca8efa0574f4">x_plain</a>, data_lmt);
<a name="l01298"></a>01298
<a name="l01299"></a>01299 FILE *comp_sink;
<a name="l01300"></a>01300 XDR *xdr_sink;
<a name="l01301"></a>01301 <span class="keywordtype">int</span> childpid = get_sinks(out, compress, &comp_sink, &xdr_sink);
<a name="l01302"></a>01302
<a name="l01303"></a>01303 <span class="keywordflow">for</span> (<a class="code" href="classlibdap_1_1DDS.html#5140f67d8f7eecf0a260d8a5d9fc39c5">DDS::Vars_iter</a> i = dds.var_begin(); i != dds.var_end(); i++)
<a name="l01304"></a>01304 <span class="keywordflow">if</span> ((*i)->send_p()) <span class="comment">// only process projected variables</span>
<a name="l01305"></a>01305 <span class="keywordflow">if</span> (!(*i)->serialize(<a class="code" href="classlibdap_1_1DODSFilter.html#bd2238d1d57f34a1d3a0a1d074b9530f">d_dataset</a>, dds, xdr_sink, <span class="keyword">true</span>))
<a name="l01306"></a>01306 <span class="keywordflow">throw</span> <a class="code" href="classlibdap_1_1Error.html" title="A class for error processing.">Error</a>(<span class="keywordtype">string</span>(<span class="stringliteral">"Could not serialize variable '"</span>)
<a name="l01307"></a>01307 + (*i)->name() + string(<span class="stringliteral">"'."</span>));
<a name="l01308"></a>01308
<a name="l01309"></a>01309 clean_sinks(childpid, compress, xdr_sink, comp_sink);
<a name="l01310"></a>01310 }
<a name="l01311"></a>01311 <span class="preprocessor">#endif</span>
<a name="l01312"></a>01312 <span class="preprocessor"></span>}
<a name="l01313"></a>01313 <span class="comment">//#endif</span>
<a name="l01314"></a>01314 } <span class="comment">// namespace libdap</span>
<a name="l01315"></a>01315
</pre></div></div>
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