<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
<title>DTN Reference Implementation: dtncpd.c Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css">
<link href="doxygen.css" rel="stylesheet" type="text/css">
</head><body>
<!-- Generated by Doxygen 1.5.8 -->
<div class="navigation" id="top">
<div class="tabs">
<ul>
<li><a href="main.html"><span>Main Page</span></a></li>
<li><a href="namespaces.html"><span>Namespaces</span></a></li>
<li><a href="annotated.html"><span>Classes</span></a></li>
<li class="current"><a href="files.html"><span>Files</span></a></li>
</ul>
</div>
<div class="tabs">
<ul>
<li><a href="files.html"><span>File List</span></a></li>
<li><a href="globals.html"><span>File Members</span></a></li>
</ul>
</div>
<h1>dtncpd.c</h1><a href="dtncpd_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * Copyright 2004-2006 Intel Corporation</span>
<a name="l00003"></a>00003 <span class="comment"> * </span>
<a name="l00004"></a>00004 <span class="comment"> * Licensed under the Apache License, Version 2.0 (the "License");</span>
<a name="l00005"></a>00005 <span class="comment"> * you may not use this file except in compliance with the License.</span>
<a name="l00006"></a>00006 <span class="comment"> * You may obtain a copy of the License at</span>
<a name="l00007"></a>00007 <span class="comment"> * </span>
<a name="l00008"></a>00008 <span class="comment"> * http://www.apache.org/licenses/LICENSE-2.0</span>
<a name="l00009"></a>00009 <span class="comment"> * </span>
<a name="l00010"></a>00010 <span class="comment"> * Unless required by applicable law or agreed to in writing, software</span>
<a name="l00011"></a>00011 <span class="comment"> * distributed under the License is distributed on an "AS IS" BASIS,</span>
<a name="l00012"></a>00012 <span class="comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
<a name="l00013"></a>00013 <span class="comment"> * See the License for the specific language governing permissions and</span>
<a name="l00014"></a>00014 <span class="comment"> * limitations under the License.</span>
<a name="l00015"></a>00015 <span class="comment"> */</span>
<a name="l00016"></a>00016
<a name="l00017"></a>00017 <span class="preprocessor">#ifdef HAVE_CONFIG_H</span>
<a name="l00018"></a>00018 <span class="preprocessor"></span><span class="preprocessor"># include <<a class="code" href="dtn-config_8h.html">dtn-config.h</a>></span>
<a name="l00019"></a>00019 <span class="preprocessor">#endif</span>
<a name="l00020"></a>00020 <span class="preprocessor"></span>
<a name="l00021"></a>00021 <span class="preprocessor">#include <stdio.h></span>
<a name="l00022"></a>00022 <span class="preprocessor">#include <stdlib.h></span>
<a name="l00023"></a>00023 <span class="preprocessor">#include <string.h></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <strings.h></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <time.h></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include <unistd.h></span>
<a name="l00027"></a>00027 <span class="preprocessor">#include <errno.h></span>
<a name="l00028"></a>00028 <span class="preprocessor">#include <sys/types.h></span>
<a name="l00029"></a>00029 <span class="preprocessor">#include <sys/stat.h></span>
<a name="l00030"></a>00030 <span class="preprocessor">#include <sys/time.h></span>
<a name="l00031"></a>00031 <span class="preprocessor">#include "<a class="code" href="dtn__api_8h.html">dtn_api.h</a>"</span>
<a name="l00032"></a>00032
<a name="l00033"></a><a class="code" href="dtncpd_8c.html#eca034f67218340ecb2261a22c2f3dcd">00033</a> <span class="preprocessor">#define BUFSIZE 16</span>
<a name="l00034"></a><a class="code" href="dtncpd_8c.html#e15a995a7a30a0d14d0db7362b90ce27">00034</a> <span class="preprocessor"></span><span class="preprocessor">#define BUNDLE_DIR_DEFAULT INSTALL_LOCALSTATEDIR "/dtn/dtncpd-incoming"</span>
<a name="l00035"></a>00035 <span class="preprocessor"></span>
<a name="l00036"></a><a class="code" href="dtncpd_8c.html#d785d8a8f8ff378aa21eb1fa7a6085df">00036</a> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="dtncat_8c.html#b9e1449fd00c98428516f0b41eddcb10">progname</a>;
<a name="l00037"></a>00037
<a name="l00038"></a>00038 <span class="keywordtype">void</span>
<a name="l00039"></a><a class="code" href="dtncpd_8c.html#2ef30c42cbc289d899a8be5d2d8f77d0">00039</a> <a class="code" href="dtncpd_8c.html#2ef30c42cbc289d899a8be5d2d8f77d0">usage</a>()
<a name="l00040"></a>00040 {
<a name="l00041"></a>00041 fprintf(stderr, <span class="stringliteral">"usage: %s [ directory ]\n"</span>, <a class="code" href="dtncat_8c.html#b9e1449fd00c98428516f0b41eddcb10">progname</a>);
<a name="l00042"></a>00042 fprintf(stderr, <span class="stringliteral">" optional directory parameter is where incoming "</span>
<a name="l00043"></a>00043 <span class="stringliteral">"files will get put\n"</span>);
<a name="l00044"></a>00044 fprintf(stderr, <span class="stringliteral">" (defaults to: %s)\n"</span>, <a class="code" href="dtncpd_8c.html#e15a995a7a30a0d14d0db7362b90ce27">BUNDLE_DIR_DEFAULT</a>);
<a name="l00045"></a>00045 exit(1);
<a name="l00046"></a>00046 }
<a name="l00047"></a>00047
<a name="l00048"></a>00048 <span class="keywordtype">int</span>
<a name="l00049"></a><a class="code" href="dtncpd_8c.html#217dbf8b442f20279ea00b898af96f52">00049</a> <a class="code" href="dtncat_8c.html#3c04138a5bfe5d72780bb7e82a18e627">main</a>(<span class="keywordtype">int</span> argc, <span class="keyword">const</span> <span class="keywordtype">char</span>** argv)
<a name="l00050"></a>00050 {
<a name="l00051"></a>00051 <span class="keywordtype">int</span> i;
<a name="l00052"></a>00052 <span class="keywordtype">int</span> ret;
<a name="l00053"></a>00053 <a class="code" href="dtn__api_8h.html#566289d829b69370d7635c21364bfe18" title="The basic handle for communication with the dtn router.">dtn_handle_t</a> <a class="code" href="dtncat_8c.html#01daea96255bb21a8979b3b45f5bbb70">handle</a>;
<a name="l00054"></a>00054 <a class="code" href="structdtn__endpoint__id__t.html" title="Specification of a dtn endpoint id, i.e.">dtn_endpoint_id_t</a> local_eid;
<a name="l00055"></a>00055 <a class="code" href="structdtn__reg__info__t.html" title="Registration state.">dtn_reg_info_t</a> reginfo;
<a name="l00056"></a>00056 <a class="code" href="dtn__types_8h.html#d9378ff6ab7ee699568e037a8105f9b6" title="A registration cookie.">dtn_reg_id_t</a> <a class="code" href="dtncat_8c.html#8eb0c3e35c1feb7baf9802f03bf42e41">regid</a>;
<a name="l00057"></a>00057 <a class="code" href="structdtn__bundle__spec__t.html" title="Bundle metadata.">dtn_bundle_spec_t</a> bundle;
<a name="l00058"></a>00058 <a class="code" href="structdtn__bundle__payload__t.html">dtn_bundle_payload_t</a> payload;
<a name="l00059"></a>00059 <span class="keyword">const</span> <span class="keywordtype">char</span>* endpoint_demux;
<a name="l00060"></a>00060 <span class="keywordtype">int</span> <a class="code" href="dtnmoteproxy_8c.html#ae6a9b084de32dbd181692c52c5e97de">debug</a> = 1;
<a name="l00061"></a>00061
<a name="l00062"></a>00062 <span class="keywordtype">char</span> * <a class="code" href="dtnperf-server_8c.html#1bc5fad21b936109b622e4992ad1e0c2">bundle_dir</a> = 0;
<a name="l00063"></a>00063
<a name="l00064"></a>00064 <span class="keywordtype">char</span> host[<a class="code" href="dtnrecv_8c.html#e688d728e1acdfe5988c7db45d6f0166">PATH_MAX</a>];
<a name="l00065"></a>00065 <span class="keywordtype">int</span> host_len;
<a name="l00066"></a>00066 <span class="keywordtype">char</span> * dirpath;
<a name="l00067"></a>00067 <span class="keywordtype">char</span> * <a class="code" href="dtnrecv_8c.html#b49244970ed5ca30989c2dab2129de34">filename</a>;
<a name="l00068"></a>00068 <span class="keywordtype">char</span> filepath[<a class="code" href="dtnrecv_8c.html#e688d728e1acdfe5988c7db45d6f0166">PATH_MAX</a>];
<a name="l00069"></a>00069 time_t current;
<a name="l00070"></a>00070
<a name="l00071"></a>00071 <span class="keywordtype">char</span> * buffer;
<a name="l00072"></a>00072 <span class="keywordtype">char</span> s_buffer[<a class="code" href="dtncpd_8c.html#eca034f67218340ecb2261a22c2f3dcd">BUFSIZE</a> + 1];
<a name="l00073"></a>00073
<a name="l00074"></a>00074 <span class="keywordtype">int</span> bufsize, marker, maxwrite;
<a name="l00075"></a>00075
<a name="l00076"></a>00076 FILE * target;
<a name="l00077"></a>00077
<a name="l00078"></a>00078 <span class="comment">// force stdout to always be line buffered, even if output is</span>
<a name="l00079"></a>00079 <span class="comment">// redirected to a pipe or file</span>
<a name="l00080"></a>00080 setvbuf(stdout, (<span class="keywordtype">char</span> *)NULL, _IOLBF, 0);
<a name="l00081"></a>00081
<a name="l00082"></a>00082 s_buffer[<a class="code" href="dtncpd_8c.html#eca034f67218340ecb2261a22c2f3dcd">BUFSIZE</a>] = <span class="charliteral">'\0'</span>;
<a name="l00083"></a>00083
<a name="l00084"></a>00084 <span class="keyword">struct </span>stat st;
<a name="l00085"></a>00085
<a name="l00086"></a>00086 <a class="code" href="dtncat_8c.html#b9e1449fd00c98428516f0b41eddcb10">progname</a> = argv[0];
<a name="l00087"></a>00087
<a name="l00088"></a>00088 <span class="keywordflow">if</span> (argc > 2) {
<a name="l00089"></a>00089 <a class="code" href="dtncpd_8c.html#2ef30c42cbc289d899a8be5d2d8f77d0">usage</a>();
<a name="l00090"></a>00090 }
<a name="l00091"></a>00091 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (argc == 2)
<a name="l00092"></a>00092 {
<a name="l00093"></a>00093 <span class="keywordflow">if</span> (argv[1][0] == <span class="charliteral">'-'</span>) {
<a name="l00094"></a>00094 <a class="code" href="dtncpd_8c.html#2ef30c42cbc289d899a8be5d2d8f77d0">usage</a>();
<a name="l00095"></a>00095 }
<a name="l00096"></a>00096 bundle_dir = (<span class="keywordtype">char</span> *) argv[1];
<a name="l00097"></a>00097 }
<a name="l00098"></a>00098 <span class="keywordflow">else</span>
<a name="l00099"></a>00099 {
<a name="l00100"></a>00100 bundle_dir = <a class="code" href="dtncpd_8c.html#e15a995a7a30a0d14d0db7362b90ce27">BUNDLE_DIR_DEFAULT</a>;
<a name="l00101"></a>00101 }
<a name="l00102"></a>00102
<a name="l00103"></a>00103 <span class="keywordflow">if</span> (access(bundle_dir, W_OK | X_OK) == -1) {
<a name="l00104"></a>00104 fprintf(stderr, <span class="stringliteral">"can't access directory '%s': %s\n"</span>,
<a name="l00105"></a>00105 bundle_dir, strerror(<a class="code" href="IPDiscovery_8cc.html#d65a8842cc674e3ddf69355898c0ecbf">errno</a>));
<a name="l00106"></a>00106 <a class="code" href="dtncpd_8c.html#2ef30c42cbc289d899a8be5d2d8f77d0">usage</a>();
<a name="l00107"></a>00107 }
<a name="l00108"></a>00108
<a name="l00109"></a>00109 <span class="keywordflow">if</span> (stat(bundle_dir, &st) == -1) {
<a name="l00110"></a>00110 fprintf(stderr, <span class="stringliteral">"can't stat directory '%s': %s\n"</span>,
<a name="l00111"></a>00111 bundle_dir, strerror(<a class="code" href="IPDiscovery_8cc.html#d65a8842cc674e3ddf69355898c0ecbf">errno</a>));
<a name="l00112"></a>00112 <a class="code" href="dtncpd_8c.html#2ef30c42cbc289d899a8be5d2d8f77d0">usage</a>();
<a name="l00113"></a>00113 }
<a name="l00114"></a>00114
<a name="l00115"></a>00115 <span class="keywordflow">if</span> (!S_ISDIR(st.st_mode)) {
<a name="l00116"></a>00116 fprintf(stderr, <span class="stringliteral">"path '%s' is not a directory\n"</span>,
<a name="l00117"></a>00117 bundle_dir);
<a name="l00118"></a>00118 <a class="code" href="dtncpd_8c.html#2ef30c42cbc289d899a8be5d2d8f77d0">usage</a>();
<a name="l00119"></a>00119 }
<a name="l00120"></a>00120
<a name="l00121"></a>00121 <span class="comment">// open the ipc handle</span>
<a name="l00122"></a>00122 <span class="keywordflow">if</span> (debug) printf(<span class="stringliteral">"opening connection to dtn router...\n"</span>);
<a name="l00123"></a>00123 <span class="keywordtype">int</span> err = <a class="code" href="dtn__api_8c.html#3afc66b2e2c75fae07a45467df9f74e9" title="Open a new connection to the router.">dtn_open</a>(&handle);
<a name="l00124"></a>00124 <span class="keywordflow">if</span> (err != <a class="code" href="dtn__errno_8h.html#3723251cb5d056b6ace3e22561da1e11" title="DTN API error codes.">DTN_SUCCESS</a>) {
<a name="l00125"></a>00125 fprintf(stderr, <span class="stringliteral">"fatal error opening dtn handle: %s\n"</span>,
<a name="l00126"></a>00126 <a class="code" href="dtn__errno_8c.html#1b23d549407e59e3ce2a1c32e3885b1d" title="Get a string value associated with the dtn error code.">dtn_strerror</a>(err));
<a name="l00127"></a>00127 exit(1);
<a name="l00128"></a>00128 }
<a name="l00129"></a>00129
<a name="l00130"></a>00130 <span class="comment">// build a local eid based on the configuration of our dtn</span>
<a name="l00131"></a>00131 <span class="comment">// router plus the demux string</span>
<a name="l00132"></a>00132 endpoint_demux = <span class="stringliteral">"/dtncp/recv?file=*"</span>;
<a name="l00133"></a>00133 <a class="code" href="dtn__api_8c.html#0947b9119c69984edf25df43ead8858b" title="Build an appropriate local endpoint id by appending the specified service tag to...">dtn_build_local_eid</a>(handle, &local_eid, endpoint_demux);
<a name="l00134"></a>00134 <span class="keywordflow">if</span> (debug) printf(<span class="stringliteral">"local_eid [%s]\n"</span>, local_eid.<a class="code" href="structdtn__endpoint__id__t.html#d2e7d5788ae778c77b4041f1f8b1dc80">uri</a>);
<a name="l00135"></a>00135
<a name="l00136"></a>00136 <span class="comment">// try to find an existin registration, or create a new</span>
<a name="l00137"></a>00137 <span class="comment">// registration based on this eid</span>
<a name="l00138"></a>00138 ret = <a class="code" href="dtn__api_8c.html#add060907ae0beceeebb75ac61a8f552" title="Check for an existing registration on the given endpoint id, returning DTN_SUCCSS...">dtn_find_registration</a>(handle, &local_eid, &regid);
<a name="l00139"></a>00139 <span class="keywordflow">if</span> (ret == 0) {
<a name="l00140"></a>00140 <span class="keywordflow">if</span> (debug) printf(<span class="stringliteral">"dtn_find_registration succeeded, regid 0x%x\n"</span>,
<a name="l00141"></a>00141 regid);
<a name="l00142"></a>00142
<a name="l00143"></a>00143 <span class="comment">// bind the current handle to the new registration</span>
<a name="l00144"></a>00144 <a class="code" href="dtn__api_8c.html#ab949d76f4c34a202aea5bac853b310b" title="Associate a registration with the current ipc channel.">dtn_bind</a>(handle, regid);
<a name="l00145"></a>00145
<a name="l00146"></a>00146 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="dtn__api_8c.html#6183d81d5f742d13e1fdee26423d94b4" title="Get the error associated with the given handle.">dtn_errno</a>(handle) == <a class="code" href="dtn__errno_8h.html#58a067b3ff3eba74fc55d6d7e7866d5a">DTN_ENOTFOUND</a>) {
<a name="l00147"></a>00147 memset(&reginfo, 0, <span class="keyword">sizeof</span>(reginfo));
<a name="l00148"></a>00148 <a class="code" href="dtn__api_8c.html#b2935a9a7f4ade630f7d2ad1fec5c615" title="Copy the contents of one eid into another.">dtn_copy_eid</a>(&reginfo.<a class="code" href="structdtn__reg__info__t.html#07df1822e2808b2127710a8b54acd07f">endpoint</a>, &local_eid);
<a name="l00149"></a>00149 reginfo.<a class="code" href="structdtn__reg__info__t.html#7bf2e33b713b585bfe1792c40fa8cd6c">flags</a> = <a class="code" href="dtn__types_8h.html#a6d0071f396dd4ef85f6ad6332e37f00d21fdf39ccc69d6790aec0c70ce5f972">DTN_REG_DEFER</a>;
<a name="l00150"></a>00150 reginfo.<a class="code" href="structdtn__reg__info__t.html#6909a69cc63e748899cf4f9fe8c8901a">regid</a> = <a class="code" href="dtn__types_8h.html#f96cd9cebfff24e37ccececf05ebb4e6" title="Value for an unspecified registration cookie (i.e.">DTN_REGID_NONE</a>;
<a name="l00151"></a>00151 reginfo.<a class="code" href="structdtn__reg__info__t.html#dd4b3b0c9f27a0375369f35e33be686d">expiration</a> = 60 * 60;
<a name="l00152"></a>00152 <span class="keywordflow">if</span> ((ret = <a class="code" href="dtn__api_8c.html#7384bf592d4aff0892ff948aafa98b0c" title="Create a dtn registration.">dtn_register</a>(handle, &reginfo, &regid)) != 0) {
<a name="l00153"></a>00153 fprintf(stderr, <span class="stringliteral">"error creating registration: %d (%s)\n"</span>,
<a name="l00154"></a>00154 ret, <a class="code" href="dtn__errno_8c.html#1b23d549407e59e3ce2a1c32e3885b1d" title="Get a string value associated with the dtn error code.">dtn_strerror</a>(<a class="code" href="dtn__api_8c.html#6183d81d5f742d13e1fdee26423d94b4" title="Get the error associated with the given handle.">dtn_errno</a>(handle)));
<a name="l00155"></a>00155 exit(1);
<a name="l00156"></a>00156 }
<a name="l00157"></a>00157
<a name="l00158"></a>00158 <span class="keywordflow">if</span> (debug) printf(<span class="stringliteral">"dtn_register succeeded, regid 0x%x\n"</span>, regid);
<a name="l00159"></a>00159
<a name="l00160"></a>00160 } <span class="keywordflow">else</span> {
<a name="l00161"></a>00161 fprintf(stderr, <span class="stringliteral">"error in dtn_find_registration: %s"</span>,
<a name="l00162"></a>00162 <a class="code" href="dtn__errno_8c.html#1b23d549407e59e3ce2a1c32e3885b1d" title="Get a string value associated with the dtn error code.">dtn_strerror</a>(<a class="code" href="dtn__api_8c.html#6183d81d5f742d13e1fdee26423d94b4" title="Get the error associated with the given handle.">dtn_errno</a>(handle)));
<a name="l00163"></a>00163 exit(1);
<a name="l00164"></a>00164 }
<a name="l00165"></a>00165
<a name="l00166"></a>00166 <span class="comment">// loop waiting for bundles</span>
<a name="l00167"></a>00167 <span class="keywordflow">while</span>(1)
<a name="l00168"></a>00168 {
<a name="l00169"></a>00169 <span class="comment">// change this to _MEM here to receive into memory then write the file</span>
<a name="l00170"></a>00170 <span class="comment">// ourselves. (So this code shows both ways to do it.)</span>
<a name="l00171"></a>00171 <span class="comment">// XXX/demmer better would be to have a cmd line option</span>
<a name="l00172"></a>00172 <a class="code" href="dtn__types_8h.html#3dcfddc1b850a71a18d8a0868f67e762" title="The payload of a bundle can be sent or received either in a file, in which case the...">dtn_bundle_payload_location_t</a> file_or_mem = <a class="code" href="dtn__types_8h.html#3dcfddc1b850a71a18d8a0868f67e7621ff9272291ffe7d9f8083e7c5a548909">DTN_PAYLOAD_FILE</a>;
<a name="l00173"></a>00173
<a name="l00174"></a>00174 memset(&bundle, 0, <span class="keyword">sizeof</span>(bundle));
<a name="l00175"></a>00175 memset(&payload, 0, <span class="keyword">sizeof</span>(payload));
<a name="l00176"></a>00176 memset(&dirpath, 0, <span class="keyword">sizeof</span>(dirpath));
<a name="l00177"></a>00177 memset(&filename, 0, <span class="keyword">sizeof</span>(filename));
<a name="l00178"></a>00178 memset(&filepath, 0, <span class="keyword">sizeof</span>(filepath));
<a name="l00179"></a>00179 memset(&host, 0, <span class="keyword">sizeof</span>(host));
<a name="l00180"></a>00180 memset(&st, 0, <span class="keyword">sizeof</span>(st));
<a name="l00181"></a>00181
<a name="l00182"></a>00182 printf(<span class="stringliteral">"dtn_recv [%s]...\n"</span>, local_eid.<a class="code" href="structdtn__endpoint__id__t.html#d2e7d5788ae778c77b4041f1f8b1dc80">uri</a>);
<a name="l00183"></a>00183
<a name="l00184"></a>00184 <span class="keywordflow">if</span> ((ret = <a class="code" href="dtn__api_8c.html#7005346bb34aabb5b6332690871fe3f4" title="Blocking receive for a bundle, filling in the spec and payload structures with the...">dtn_recv</a>(handle, &bundle,
<a name="l00185"></a>00185 file_or_mem, &payload, -1)) < 0)
<a name="l00186"></a>00186 {
<a name="l00187"></a>00187 fprintf(stderr, <span class="stringliteral">"error getting recv reply: %d (%s)\n"</span>,
<a name="l00188"></a>00188 ret, <a class="code" href="dtn__errno_8c.html#1b23d549407e59e3ce2a1c32e3885b1d" title="Get a string value associated with the dtn error code.">dtn_strerror</a>(<a class="code" href="dtn__api_8c.html#6183d81d5f742d13e1fdee26423d94b4" title="Get the error associated with the given handle.">dtn_errno</a>(handle)));
<a name="l00189"></a>00189 exit(1);
<a name="l00190"></a>00190 }
<a name="l00191"></a>00191
<a name="l00192"></a>00192 <span class="comment">// mark time received</span>
<a name="l00193"></a>00193 current = time(NULL);
<a name="l00194"></a>00194
<a name="l00195"></a>00195 <span class="keywordflow">if</span> (strncmp(bundle.<a class="code" href="structdtn__bundle__spec__t.html#3e0a3530457d11bea38b06d00dea30fa">source</a>.<a class="code" href="structdtn__endpoint__id__t.html#d2e7d5788ae778c77b4041f1f8b1dc80">uri</a>, <span class="stringliteral">"dtn://"</span>, 6) != 0)
<a name="l00196"></a>00196 {
<a name="l00197"></a>00197 fprintf(stderr, <span class="stringliteral">"bundle source uri '%s' must be a dtn:// uri\n"</span>,
<a name="l00198"></a>00198 bundle.<a class="code" href="structdtn__bundle__spec__t.html#3e0a3530457d11bea38b06d00dea30fa">source</a>.<a class="code" href="structdtn__endpoint__id__t.html#d2e7d5788ae778c77b4041f1f8b1dc80">uri</a>);
<a name="l00199"></a>00199 exit(1);
<a name="l00200"></a>00200 }
<a name="l00201"></a>00201
<a name="l00202"></a>00202 <span class="comment">// grab the sending authority and service tag (i.e. the path)</span>
<a name="l00203"></a>00203 host_len = strchr(&bundle.<a class="code" href="structdtn__bundle__spec__t.html#3e0a3530457d11bea38b06d00dea30fa">source</a>.<a class="code" href="structdtn__endpoint__id__t.html#d2e7d5788ae778c77b4041f1f8b1dc80">uri</a>[6], <span class="charliteral">'/'</span>) - &bundle.<a class="code" href="structdtn__bundle__spec__t.html#3e0a3530457d11bea38b06d00dea30fa">source</a>.<a class="code" href="structdtn__endpoint__id__t.html#d2e7d5788ae778c77b4041f1f8b1dc80">uri</a>[6];
<a name="l00204"></a>00204 strncpy(host, &bundle.<a class="code" href="structdtn__bundle__spec__t.html#3e0a3530457d11bea38b06d00dea30fa">source</a>.<a class="code" href="structdtn__endpoint__id__t.html#d2e7d5788ae778c77b4041f1f8b1dc80">uri</a>[6], host_len);
<a name="l00205"></a>00205
<a name="l00206"></a>00206 <span class="comment">// extract directory from destination path (everything</span>
<a name="l00207"></a>00207 <span class="comment">// following std demux, except the '*')</span>
<a name="l00208"></a>00208 endpoint_demux = <span class="stringliteral">"/dtncp/recv?file="</span>;
<a name="l00209"></a>00209 dirpath = strstr(bundle.<a class="code" href="structdtn__bundle__spec__t.html#8c2816b3ce9b92489b3b34c325a4cb4c">dest</a>.<a class="code" href="structdtn__endpoint__id__t.html#d2e7d5788ae778c77b4041f1f8b1dc80">uri</a>, endpoint_demux);
<a name="l00210"></a>00210 <span class="keywordflow">if</span> (!dirpath) {
<a name="l00211"></a>00211 fprintf(stderr, <span class="stringliteral">"can't find %s demux in uri '%s'\n"</span>,
<a name="l00212"></a>00212 endpoint_demux, bundle.<a class="code" href="structdtn__bundle__spec__t.html#8c2816b3ce9b92489b3b34c325a4cb4c">dest</a>.<a class="code" href="structdtn__endpoint__id__t.html#d2e7d5788ae778c77b4041f1f8b1dc80">uri</a>);
<a name="l00213"></a>00213 exit(1);
<a name="l00214"></a>00214 }
<a name="l00215"></a>00215
<a name="l00216"></a>00216 dirpath += strlen(endpoint_demux); <span class="comment">// skip std demux</span>
<a name="l00217"></a>00217 <span class="keywordflow">if</span> (dirpath[0] == <span class="charliteral">'/'</span>) dirpath++; <span class="comment">// skip leading slash</span>
<a name="l00218"></a>00218
<a name="l00219"></a>00219 <span class="comment">// filename is everything following last /</span>
<a name="l00220"></a>00220 filename = strrchr(dirpath, <span class="charliteral">'/'</span>);
<a name="l00221"></a>00221 <span class="keywordflow">if</span> (filename == 0)
<a name="l00222"></a>00222 {
<a name="l00223"></a>00223 filename = dirpath;
<a name="l00224"></a>00224 dirpath = <span class="stringliteral">""</span>;
<a name="l00225"></a>00225 }
<a name="l00226"></a>00226 <span class="keywordflow">else</span>
<a name="l00227"></a>00227 {
<a name="l00228"></a>00228 filename[0] = <span class="charliteral">'\0'</span>; <span class="comment">// null terminate path</span>
<a name="l00229"></a>00229 filename++; <span class="comment">// next char;</span>
<a name="l00230"></a>00230 }
<a name="l00231"></a>00231
<a name="l00232"></a>00232 <span class="comment">// recursively create full directory path</span>
<a name="l00233"></a>00233 <span class="comment">// XXX/demmer system -- yuck!</span>
<a name="l00234"></a>00234 sprintf(filepath, <span class="stringliteral">"mkdir -p %s/%s/%s"</span>, bundle_dir, host, dirpath);
<a name="l00235"></a>00235 system(filepath);
<a name="l00236"></a>00236
<a name="l00237"></a>00237 <span class="comment">// create file name</span>
<a name="l00238"></a>00238 sprintf(filepath, <span class="stringliteral">"%s/%s/%s/%s"</span>, bundle_dir, host, dirpath, filename);
<a name="l00239"></a>00239
<a name="l00240"></a>00240 <span class="comment">// bundle name is the name of the bundle payload file</span>
<a name="l00241"></a>00241 buffer = payload.<a class="code" href="structdtn__bundle__payload__t.html#f3a33fd2ae2b3b8eae2e675f1a038cec">filename</a>.<a class="code" href="structdtn__bundle__payload__t.html#0d824d13c3225cb59fa2e34623608b2a">filename_val</a>;
<a name="l00242"></a>00242 <span class="comment">// bufsize is the length of the payload file (not what we want to print)</span>
<a name="l00243"></a>00243 bufsize = payload.<a class="code" href="structdtn__bundle__payload__t.html#f3a33fd2ae2b3b8eae2e675f1a038cec">filename</a>.<a class="code" href="structdtn__bundle__payload__t.html#19a9fb6ab21fdc57d29fbdb0e61d0bbf">filename_len</a>;
<a name="l00244"></a>00244 <span class="comment">// st contains (among other things) size of payload file</span>
<a name="l00245"></a>00245 ret = stat(buffer, &st);
<a name="l00246"></a>00246
<a name="l00247"></a>00247 printf (<span class="stringliteral">"======================================\n"</span>);
<a name="l00248"></a>00248 printf (<span class="stringliteral">" File Received at %s\n"</span>, ctime(&current));
<a name="l00249"></a>00249 printf (<span class="stringliteral">" host : %s\n"</span>, host);
<a name="l00250"></a>00250 printf (<span class="stringliteral">" path : %s\n"</span>, dirpath);
<a name="l00251"></a>00251 printf (<span class="stringliteral">" file : %s\n"</span>, filename);
<a name="l00252"></a>00252 printf (<span class="stringliteral">" loc : %s\n"</span>, filepath);
<a name="l00253"></a>00253 printf (<span class="stringliteral">" size : %d bytes\n"</span>, (<span class="keywordtype">int</span>) st.st_size);
<a name="l00254"></a>00254
<a name="l00255"></a>00255
<a name="l00256"></a>00256 <span class="keywordflow">if</span> (file_or_mem == <a class="code" href="dtn__types_8h.html#3dcfddc1b850a71a18d8a0868f67e7621ff9272291ffe7d9f8083e7c5a548909">DTN_PAYLOAD_FILE</a>) {
<a name="l00257"></a>00257 <span class="keywordtype">int</span> cmdlen = 5 + strlen(buffer) + strlen(filepath);
<a name="l00258"></a>00258 <span class="keywordtype">char</span> *cmd = malloc(cmdlen);
<a name="l00259"></a>00259
<a name="l00260"></a>00260 <span class="keywordflow">if</span> (cmd) {
<a name="l00261"></a>00261 snprintf(cmd, cmdlen, <span class="stringliteral">"mv %.*s %s"</span>, bufsize, buffer,
<a name="l00262"></a>00262 filepath);
<a name="l00263"></a>00263 system(cmd);
<a name="l00264"></a>00264 printf(<span class="stringliteral">"Moving payload to final filename: '%s'\n"</span>, cmd);
<a name="l00265"></a>00265 free(cmd);
<a name="l00266"></a>00266 } <span class="keywordflow">else</span> {
<a name="l00267"></a>00267 printf(<span class="stringliteral">"Out of memory. Find file in %*s.\n"</span>, bufsize,
<a name="l00268"></a>00268 buffer);
<a name="l00269"></a>00269 }
<a name="l00270"></a>00270 } <span class="keywordflow">else</span> {
<a name="l00271"></a>00271
<a name="l00272"></a>00272 target = fopen(filepath, <span class="stringliteral">"w"</span>);
<a name="l00273"></a>00273
<a name="l00274"></a>00274 <span class="keywordflow">if</span> (target == NULL)
<a name="l00275"></a>00275 {
<a name="l00276"></a>00276 fprintf(stderr, <span class="stringliteral">"Error opening file for writing %s\n"</span>,
<a name="l00277"></a>00277 filepath);
<a name="l00278"></a>00278 <span class="keywordflow">continue</span>;
<a name="l00279"></a>00279 }
<a name="l00280"></a>00280 <span class="keywordflow">if</span> (debug) printf (<span class="stringliteral">"--------------------------------------\n"</span>);
<a name="l00281"></a>00281
<a name="l00282"></a>00282 marker = 0;
<a name="l00283"></a>00283 <span class="keywordflow">while</span> (marker < bufsize)
<a name="l00284"></a>00284 {
<a name="l00285"></a>00285 <span class="comment">// write 256 bytes at a time</span>
<a name="l00286"></a>00286 i=0;
<a name="l00287"></a>00287 maxwrite = (marker + 256) > bufsize? bufsize-marker : 256;
<a name="l00288"></a>00288 <span class="keywordflow">while</span> (i < maxwrite)
<a name="l00289"></a>00289 {
<a name="l00290"></a>00290 i += fwrite(buffer + marker + i, 1, maxwrite - i, target);
<a name="l00291"></a>00291 }
<a name="l00292"></a>00292
<a name="l00293"></a>00293 <span class="keywordflow">if</span> (debug)
<a name="l00294"></a>00294 {
<a name="l00295"></a>00295 <span class="keywordflow">for</span> (i=0; i < maxwrite; i++)
<a name="l00296"></a>00296 {
<a name="l00297"></a>00297 <span class="keywordflow">if</span> (buffer[marker] >= <span class="charliteral">' '</span> && buffer[marker] <= <span class="charliteral">'~'</span>)
<a name="l00298"></a>00298 s_buffer[marker%<a class="code" href="dtncpd_8c.html#eca034f67218340ecb2261a22c2f3dcd">BUFSIZE</a>] = buffer[i];
<a name="l00299"></a>00299 <span class="keywordflow">else</span>
<a name="l00300"></a>00300 s_buffer[marker%<a class="code" href="dtncpd_8c.html#eca034f67218340ecb2261a22c2f3dcd">BUFSIZE</a>] = <span class="charliteral">'.'</span>;
<a name="l00301"></a>00301
<a name="l00302"></a>00302 <span class="keywordflow">if</span> (marker%<a class="code" href="dtncpd_8c.html#eca034f67218340ecb2261a22c2f3dcd">BUFSIZE</a> == 0) <span class="comment">// new line every 16 bytes</span>
<a name="l00303"></a>00303 {
<a name="l00304"></a>00304 printf(<span class="stringliteral">"%07x "</span>, marker);
<a name="l00305"></a>00305 }
<a name="l00306"></a>00306 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (marker%2 == 0)
<a name="l00307"></a>00307 {
<a name="l00308"></a>00308 printf(<span class="stringliteral">" "</span>); <span class="comment">// space every 2 bytes</span>
<a name="l00309"></a>00309 }
<a name="l00310"></a>00310
<a name="l00311"></a>00311 printf(<span class="stringliteral">"%02x"</span>, buffer[i] & 0xff);
<a name="l00312"></a>00312
<a name="l00313"></a>00313 <span class="comment">// print character summary (a la emacs hexl-mode)</span>
<a name="l00314"></a>00314 <span class="keywordflow">if</span> (marker%<a class="code" href="dtncpd_8c.html#eca034f67218340ecb2261a22c2f3dcd">BUFSIZE</a> == <a class="code" href="dtncpd_8c.html#eca034f67218340ecb2261a22c2f3dcd">BUFSIZE</a>-1)
<a name="l00315"></a>00315 {
<a name="l00316"></a>00316 printf(<span class="stringliteral">" | %s\n"</span>, s_buffer);
<a name="l00317"></a>00317 }
<a name="l00318"></a>00318 marker ++;
<a name="l00319"></a>00319 }
<a name="l00320"></a>00320 }
<a name="l00321"></a>00321 <span class="keywordflow">else</span>
<a name="l00322"></a>00322 {
<a name="l00323"></a>00323 marker += maxwrite;
<a name="l00324"></a>00324 }
<a name="l00325"></a>00325 }
<a name="l00326"></a>00326
<a name="l00327"></a>00327 fclose(target);
<a name="l00328"></a>00328
<a name="l00329"></a>00329 <span class="comment">// round off last line</span>
<a name="l00330"></a>00330 <span class="keywordflow">if</span> (debug && marker % <a class="code" href="dtncpd_8c.html#eca034f67218340ecb2261a22c2f3dcd">BUFSIZE</a> != 0)
<a name="l00331"></a>00331 {
<a name="l00332"></a>00332 <span class="keywordflow">while</span> (marker % <a class="code" href="dtncpd_8c.html#eca034f67218340ecb2261a22c2f3dcd">BUFSIZE</a> !=0)
<a name="l00333"></a>00333 {
<a name="l00334"></a>00334 s_buffer[marker%<a class="code" href="dtncpd_8c.html#eca034f67218340ecb2261a22c2f3dcd">BUFSIZE</a>] = <span class="charliteral">' '</span>;
<a name="l00335"></a>00335
<a name="l00336"></a>00336 <span class="keywordflow">if</span> (marker%2 == 0)
<a name="l00337"></a>00337 {
<a name="l00338"></a>00338 printf(<span class="stringliteral">" "</span>); <span class="comment">// space every 2 bytes</span>
<a name="l00339"></a>00339 }
<a name="l00340"></a>00340
<a name="l00341"></a>00341 printf(<span class="stringliteral">" "</span>);
<a name="l00342"></a>00342
<a name="l00343"></a>00343 <span class="comment">// print character summary (a la emacs hexl-mode)</span>
<a name="l00344"></a>00344 <span class="keywordflow">if</span> (marker%<a class="code" href="dtncpd_8c.html#eca034f67218340ecb2261a22c2f3dcd">BUFSIZE</a> == <a class="code" href="dtncpd_8c.html#eca034f67218340ecb2261a22c2f3dcd">BUFSIZE</a>-1)
<a name="l00345"></a>00345 {
<a name="l00346"></a>00346 printf(<span class="stringliteral">" | %s\n"</span>, s_buffer);
<a name="l00347"></a>00347 }
<a name="l00348"></a>00348 marker ++;
<a name="l00349"></a>00349 }
<a name="l00350"></a>00350 }
<a name="l00351"></a>00351 printf (<span class="stringliteral">" size : %d bytes\n"</span>, bufsize);
<a name="l00352"></a>00352 }
<a name="l00353"></a>00353
<a name="l00354"></a>00354 printf (<span class="stringliteral">"======================================\n"</span>);
<a name="l00355"></a>00355 <a class="code" href="dtn__api_8c.html#50a363bf1bf2803892afc1438ab62cff" title="Frees dynamic storage allocated by the xdr for a bundle payload in dtn_recv.">dtn_free_payload</a>(&payload);
<a name="l00356"></a>00356 }
<a name="l00357"></a>00357
<a name="l00358"></a>00358 <a class="code" href="dtn__api_8c.html#887c16260463d6057bf5b03a1ff0e224" title="Close an open dtn handle.">dtn_close</a>(handle);
<a name="l00359"></a>00359
<a name="l00360"></a>00360 <span class="keywordflow">return</span> 0;
<a name="l00361"></a>00361 }
</pre></div></div>
<hr size="1"><address style="text-align: right;"><small>Generated on Fri Jan 30 09:26:55 2009 for DTN Reference Implementation by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.8 </small></address>
</body>
</html>
distrib
>
Mandriva
>
2010.0
>
i586
>
media
>
contrib-release
>
by-pkgid
>
29c369053a983cc5d8c880dc6e0a2237
>
files
>
1724
