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<h1>BundleStatusReport.cc</h1><a href="BundleStatusReport_8cc.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 "<a class="code" href="BundleStatusReport_8h.html">BundleStatusReport.h</a>"</span>
<a name="l00022"></a>00022 <span class="preprocessor">#include "<a class="code" href="SDNV_8h.html">SDNV.h</a>"</span>
<a name="l00023"></a>00023 <span class="preprocessor">#include <netinet/in.h></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <oasys/util/ScratchBuffer.h></span>
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="keyword">namespace </span>dtn {
<a name="l00027"></a>00027
<a name="l00028"></a>00028 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00029"></a>00029 <span class="keywordtype">void</span>
<a name="l00030"></a><a class="code" href="classdtn_1_1BundleStatusReport.html#d3369fc659fbc354c26ddb769917ace8">00030</a> <a class="code" href="classdtn_1_1BundleStatusReport.html#d3369fc659fbc354c26ddb769917ace8" title="Constructor-like function that fills in the bundle payload buffer with the appropriate...">BundleStatusReport::create_status_report</a>(<a class="code" href="classdtn_1_1Bundle.html" title="The internal representation of a bundle.">Bundle</a>* bundle,
<a name="l00031"></a>00031 <span class="keyword">const</span> <a class="code" href="classdtn_1_1Bundle.html" title="The internal representation of a bundle.">Bundle</a>* orig_bundle,
<a name="l00032"></a>00032 <span class="keyword">const</span> <a class="code" href="classdtn_1_1EndpointID.html">EndpointID</a>& source,
<a name="l00033"></a>00033 <a class="code" href="classdtn_1_1BundleStatusReport.html#b2546897ef428634d8385363b6de1499">flag_t</a> status_flags,
<a name="l00034"></a>00034 <a class="code" href="classdtn_1_1BundleProtocol.html#37b000d94172c06970bb8af32889f917" title="Bundle Status Report &quot;Reason Code&quot; flags.">reason_t</a> reason)
<a name="l00035"></a>00035 {
<a name="l00036"></a>00036 bundle-><a class="code" href="classdtn_1_1Bundle.html#69c35928ca050eb4bb2ec67641f1b6bb" title="Setters and mutable accessors.">mutable_source</a>()-><a class="code" href="classdtn_1_1EndpointID.html#ec39752e4da3107b16ff5da58d2aa5ab" title="Assign this endpoint ID as a copy of the other.">assign</a>(source);
<a name="l00037"></a>00037 <span class="keywordflow">if</span> (orig_bundle-><a class="code" href="classdtn_1_1Bundle.html#a2ffacc40d2afe751142e9fd64ab5fdf" title="Accessors.">replyto</a>().<a class="code" href="classdtn_1_1EndpointID.html#80721c0832c08c5066e6d6276d62d70b" title="Simple equality test function.">equals</a>(<a class="code" href="classdtn_1_1EndpointID.html#31bd1844cae5e71cc2393a139c9bec4c" title="Return the special endpoint id used for the null endpoint, namely &quot;dtn:none&quot;...">EndpointID::NULL_EID</a>())){
<a name="l00038"></a>00038 bundle-><a class="code" href="classdtn_1_1Bundle.html#fedf6ad0537f7e3a3f958162d1fc935e" title="Setters and mutable accessors.">mutable_dest</a>()-><a class="code" href="classdtn_1_1EndpointID.html#ec39752e4da3107b16ff5da58d2aa5ab" title="Assign this endpoint ID as a copy of the other.">assign</a>(orig_bundle-><a class="code" href="classdtn_1_1Bundle.html#2dae8a97270a95799acf45d859eaf866" title="Accessors.">source</a>());
<a name="l00039"></a>00039 } <span class="keywordflow">else</span> {
<a name="l00040"></a>00040 bundle-><a class="code" href="classdtn_1_1Bundle.html#fedf6ad0537f7e3a3f958162d1fc935e" title="Setters and mutable accessors.">mutable_dest</a>()-><a class="code" href="classdtn_1_1EndpointID.html#ec39752e4da3107b16ff5da58d2aa5ab" title="Assign this endpoint ID as a copy of the other.">assign</a>(orig_bundle-><a class="code" href="classdtn_1_1Bundle.html#a2ffacc40d2afe751142e9fd64ab5fdf" title="Accessors.">replyto</a>());
<a name="l00041"></a>00041 }
<a name="l00042"></a>00042 bundle-><a class="code" href="classdtn_1_1Bundle.html#7c2091e44637889b9ad6f94a82ae7f83" title="Setters and mutable accessors.">mutable_replyto</a>()-><a class="code" href="classdtn_1_1EndpointID.html#ec39752e4da3107b16ff5da58d2aa5ab" title="Assign this endpoint ID as a copy of the other.">assign</a>(<a class="code" href="classdtn_1_1EndpointID.html#31bd1844cae5e71cc2393a139c9bec4c" title="Return the special endpoint id used for the null endpoint, namely &quot;dtn:none&quot;...">EndpointID::NULL_EID</a>());
<a name="l00043"></a>00043 bundle-><a class="code" href="classdtn_1_1Bundle.html#96698085719d88c0b5c86d4cb388324c" title="Setters and mutable accessors.">mutable_custodian</a>()-><a class="code" href="classdtn_1_1EndpointID.html#ec39752e4da3107b16ff5da58d2aa5ab" title="Assign this endpoint ID as a copy of the other.">assign</a>(<a class="code" href="classdtn_1_1EndpointID.html#31bd1844cae5e71cc2393a139c9bec4c" title="Return the special endpoint id used for the null endpoint, namely &quot;dtn:none&quot;...">EndpointID::NULL_EID</a>());
<a name="l00044"></a>00044
<a name="l00045"></a>00045 bundle-><a class="code" href="classdtn_1_1Bundle.html#1cb30932516cd93a9d1127fb3f3352d1" title="Setters and mutable accessors.">set_is_admin</a>(<span class="keyword">true</span>);
<a name="l00046"></a>00046
<a name="l00047"></a>00047 <span class="comment">// use the expiration time from the original bundle</span>
<a name="l00048"></a>00048 <span class="comment">// XXX/demmer maybe something more clever??</span>
<a name="l00049"></a>00049 bundle-><a class="code" href="classdtn_1_1Bundle.html#7623ecfe9e47e5dc075ebd872fb9a237" title="Setters and mutable accessors.">set_expiration</a>(orig_bundle-><a class="code" href="classdtn_1_1Bundle.html#21879e67b7f065975cbd942807500746" title="Accessors.">expiration</a>());
<a name="l00050"></a>00050
<a name="l00051"></a>00051 <span class="comment">// store the original bundle's source eid</span>
<a name="l00052"></a>00052 <a class="code" href="classdtn_1_1EndpointID.html">EndpointID</a> orig_source(orig_bundle-><a class="code" href="classdtn_1_1Bundle.html#2dae8a97270a95799acf45d859eaf866" title="Accessors.">source</a>());
<a name="l00053"></a>00053
<a name="l00054"></a>00054 <span class="keywordtype">int</span> <a class="code" href="sdnv-c_8h.html#61025d18c2abbee27eba89034e1fb025" title="Return the number of bytes needed to encode the given value.">sdnv_encoding_len</a> = 0; <span class="comment">// use an int to handle -1 return values</span>
<a name="l00055"></a>00055 <span class="keywordtype">int</span> report_length = 0;
<a name="l00056"></a>00056
<a name="l00057"></a>00057 <span class="comment">// we generally don't expect the Status Peport length to be > 256 bytes</span>
<a name="l00058"></a>00058 oasys::ScratchBuffer<u_char*, 256> scratch;
<a name="l00059"></a>00059
<a name="l00060"></a>00060 <span class="comment">//</span>
<a name="l00061"></a>00061 <span class="comment">// Structure of bundle status reports:</span>
<a name="l00062"></a>00062 <span class="comment">//</span>
<a name="l00063"></a>00063 <span class="comment">// 1 byte Admin Payload type and flags</span>
<a name="l00064"></a>00064 <span class="comment">// 1 byte Status Flags</span>
<a name="l00065"></a>00065 <span class="comment">// 1 byte Reason Code</span>
<a name="l00066"></a>00066 <span class="comment">// SDNV [Fragment Offset (if present)]</span>
<a name="l00067"></a>00067 <span class="comment">// SDNV [Fragment Length (if present)]</span>
<a name="l00068"></a>00068 <span class="comment">// SDNVx2 Time of {receipt/forwarding/delivery/deletion/custody/app-ack}</span>
<a name="l00069"></a>00069 <span class="comment">// of bundle X</span>
<a name="l00070"></a>00070 <span class="comment">// SDNVx2 Copy of bundle X's Creation Timestamp</span>
<a name="l00071"></a>00071 <span class="comment">// SDNV Length of X's source endpoint ID</span>
<a name="l00072"></a>00072 <span class="comment">// vari Source endpoint ID of bundle X</span>
<a name="l00073"></a>00073
<a name="l00074"></a>00074 <span class="comment">// note that the spec allows for all 6 of the "Time of..." fields</span>
<a name="l00075"></a>00075 <span class="comment">// to be present in a single Status Report, but for this</span>
<a name="l00076"></a>00076 <span class="comment">// implementation we will always have one and only one of the 6</span>
<a name="l00077"></a>00077 <span class="comment">// timestamp fields</span>
<a name="l00078"></a>00078 <span class="comment">// XXX/matt we may want to change to allow multiple-timestamps per SR</span>
<a name="l00079"></a>00079
<a name="l00080"></a>00080 <span class="comment">// the non-optional, fixed-length fields above:</span>
<a name="l00081"></a>00081 report_length = 1 + 1 + 1;
<a name="l00082"></a>00082
<a name="l00083"></a>00083 <span class="comment">// the 2 SDNV fragment fields:</span>
<a name="l00084"></a>00084 <span class="keywordflow">if</span> (orig_bundle-><a class="code" href="classdtn_1_1Bundle.html#d6c74eba219bfe55854cf7a90e210cca" title="Accessors.">is_fragment</a>()) {
<a name="l00085"></a>00085 report_length += <a class="code" href="SDNV_8cc.html#46f4c114c92230c80f6714318251b542">SDNV::encoding_len</a>(orig_bundle-><a class="code" href="classdtn_1_1Bundle.html#76cf6a44f566aa22e2a98007bf233ee2" title="Accessors.">frag_offset</a>());
<a name="l00086"></a>00086 report_length += <a class="code" href="SDNV_8cc.html#46f4c114c92230c80f6714318251b542">SDNV::encoding_len</a>(orig_bundle-><a class="code" href="classdtn_1_1Bundle.html#e32f3c57057214a1763dfe7709160cf8" title="Accessors.">orig_length</a>());
<a name="l00087"></a>00087 }
<a name="l00088"></a>00088
<a name="l00089"></a>00089 <span class="comment">// Time field, set to the current time (with no sub-second</span>
<a name="l00090"></a>00090 <span class="comment">// accuracy defined at all)</span>
<a name="l00091"></a>00091 <a class="code" href="structdtn_1_1BundleTimestamp.html" title="Simple struct definition for bundle creation timestamps.">BundleTimestamp</a> now;
<a name="l00092"></a>00092 now.<a class="code" href="structdtn_1_1BundleTimestamp.html#02c8a347150620243240655bdcd2f42d" title="Seconds since 1/1/2000.">seconds_</a> = <a class="code" href="structdtn_1_1BundleTimestamp.html#27af1dd8ce1c3d9f361a0149aba6cb0c" title="Return the current time in the correct format for the bundle protocol, i.e.">BundleTimestamp::get_current_time</a>();
<a name="l00093"></a>00093 now.<a class="code" href="structdtn_1_1BundleTimestamp.html#ebc8cea66862d7f6056da450db410347" title="Sub-second sequence number.">seqno_</a> = 0;
<a name="l00094"></a>00094 report_length += <a class="code" href="classdtn_1_1BundleProtocol.html#efd5468219b7a40e33d4d6eaa7fa610e" title="Return the length required to encode the timestamp as two SDNVs.">BundleProtocol::ts_encoding_len</a>(now);
<a name="l00095"></a>00095
<a name="l00096"></a>00096 <span class="comment">// The bundle's creation timestamp:</span>
<a name="l00097"></a>00097 report_length += <a class="code" href="classdtn_1_1BundleProtocol.html#efd5468219b7a40e33d4d6eaa7fa610e" title="Return the length required to encode the timestamp as two SDNVs.">BundleProtocol::ts_encoding_len</a>(orig_bundle-><a class="code" href="classdtn_1_1Bundle.html#13cd9ab7b010f09562170e2a57242209" title="Accessors.">creation_ts</a>());
<a name="l00098"></a>00098
<a name="l00099"></a>00099 <span class="comment">// the Source Endpoint ID:</span>
<a name="l00100"></a>00100 report_length += <a class="code" href="SDNV_8cc.html#46f4c114c92230c80f6714318251b542">SDNV::encoding_len</a>(orig_source.length()) +
<a name="l00101"></a>00101 orig_source.length();
<a name="l00102"></a>00102
<a name="l00103"></a>00103 <span class="comment">//</span>
<a name="l00104"></a>00104 <span class="comment">// Done calculating length, now create the report payload</span>
<a name="l00105"></a>00105 <span class="comment">//</span>
<a name="l00106"></a>00106 u_char* bp = scratch.buf(report_length);
<a name="l00107"></a>00107 <span class="keywordtype">int</span> <a class="code" href="num2sdnv_8c.html#fed088663f8704004425cdae2120b9b3">len</a> = report_length;
<a name="l00108"></a>00108
<a name="l00109"></a>00109 <span class="comment">// Admin Payload Type and flags</span>
<a name="l00110"></a>00110 *bp = <a class="code" href="classdtn_1_1BundleProtocol.html#35e3c05cad3ebc9ec0f4d9b0f88ece20e4dc69cfbb7fd68487cffea427db7f7f">BundleProtocol::ADMIN_STATUS_REPORT</a> << 4;
<a name="l00111"></a>00111 <span class="keywordflow">if</span> (orig_bundle-><a class="code" href="classdtn_1_1Bundle.html#d6c74eba219bfe55854cf7a90e210cca" title="Accessors.">is_fragment</a>()) {
<a name="l00112"></a>00112 *bp |= <a class="code" href="classdtn_1_1BundleProtocol.html#f827c0a9dff8115434bc273dc53b7df1951511bc017d452550ea77dd9a15306b">BundleProtocol::ADMIN_IS_FRAGMENT</a>;
<a name="l00113"></a>00113 }
<a name="l00114"></a>00114 bp++;
<a name="l00115"></a>00115 len--;
<a name="l00116"></a>00116
<a name="l00117"></a>00117 <span class="comment">// Status Flags</span>
<a name="l00118"></a>00118 *bp++ = status_flags;
<a name="l00119"></a>00119 len--;
<a name="l00120"></a>00120
<a name="l00121"></a>00121 <span class="comment">// Reason Code</span>
<a name="l00122"></a>00122 *bp++ = reason;
<a name="l00123"></a>00123 len--;
<a name="l00124"></a>00124
<a name="l00125"></a>00125 <span class="comment">// The 2 Fragment Fields</span>
<a name="l00126"></a>00126 <span class="keywordflow">if</span> (orig_bundle-><a class="code" href="classdtn_1_1Bundle.html#d6c74eba219bfe55854cf7a90e210cca" title="Accessors.">is_fragment</a>()) {
<a name="l00127"></a>00127 sdnv_encoding_len = <a class="code" href="SDNV_8cc.html#21c54ef3a5345647ad1cada265a03eb4">SDNV::encode</a>(orig_bundle-><a class="code" href="classdtn_1_1Bundle.html#76cf6a44f566aa22e2a98007bf233ee2" title="Accessors.">frag_offset</a>(), bp, len);
<a name="l00128"></a>00128 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(sdnv_encoding_len > 0);
<a name="l00129"></a>00129 bp += sdnv_encoding_len;
<a name="l00130"></a>00130 len -= sdnv_encoding_len;
<a name="l00131"></a>00131
<a name="l00132"></a>00132 sdnv_encoding_len = <a class="code" href="SDNV_8cc.html#21c54ef3a5345647ad1cada265a03eb4">SDNV::encode</a>(orig_bundle-><a class="code" href="classdtn_1_1Bundle.html#e32f3c57057214a1763dfe7709160cf8" title="Accessors.">orig_length</a>(), bp, len);
<a name="l00133"></a>00133 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(sdnv_encoding_len > 0);
<a name="l00134"></a>00134 bp += sdnv_encoding_len;
<a name="l00135"></a>00135 len -= sdnv_encoding_len;
<a name="l00136"></a>00136 }
<a name="l00137"></a>00137
<a name="l00138"></a>00138 sdnv_encoding_len = <a class="code" href="classdtn_1_1BundleProtocol.html#c590d33b1e828121f9d096860d4cad9a" title="Store a DTN timestamp into a 64-bit value suitable for transmission over the network...">BundleProtocol::set_timestamp</a>(bp, len, now);
<a name="l00139"></a>00139 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(sdnv_encoding_len > 0);
<a name="l00140"></a>00140 bp += sdnv_encoding_len;
<a name="l00141"></a>00141 len -= sdnv_encoding_len;
<a name="l00142"></a>00142
<a name="l00143"></a>00143 <span class="comment">// Copy of bundle X's Creation Timestamp</span>
<a name="l00144"></a>00144 sdnv_encoding_len =
<a name="l00145"></a>00145 <a class="code" href="classdtn_1_1BundleProtocol.html#c590d33b1e828121f9d096860d4cad9a" title="Store a DTN timestamp into a 64-bit value suitable for transmission over the network...">BundleProtocol::set_timestamp</a>(bp, len, orig_bundle-><a class="code" href="classdtn_1_1Bundle.html#13cd9ab7b010f09562170e2a57242209" title="Accessors.">creation_ts</a>());
<a name="l00146"></a>00146 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(sdnv_encoding_len > 0);
<a name="l00147"></a>00147 bp += sdnv_encoding_len;
<a name="l00148"></a>00148 len -= sdnv_encoding_len;
<a name="l00149"></a>00149
<a name="l00150"></a>00150 <span class="comment">// The 2 Endpoint ID fields:</span>
<a name="l00151"></a>00151 sdnv_encoding_len = <a class="code" href="SDNV_8cc.html#21c54ef3a5345647ad1cada265a03eb4">SDNV::encode</a>(orig_source.length(), bp, len);
<a name="l00152"></a>00152 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>(sdnv_encoding_len > 0);
<a name="l00153"></a>00153 len -= sdnv_encoding_len;
<a name="l00154"></a>00154 bp += sdnv_encoding_len;
<a name="l00155"></a>00155
<a name="l00156"></a>00156 <a class="code" href="SDNV_8cc.html#ca68c0d4ac8df0838e209fb5300f7be3">ASSERT</a>((u_int)len == orig_source.length());
<a name="l00157"></a>00157 memcpy(bp, orig_source.c_str(), orig_source.length());
<a name="l00158"></a>00158
<a name="l00159"></a>00159 <span class="comment">// </span>
<a name="l00160"></a>00160 <span class="comment">// Finished generating the payload</span>
<a name="l00161"></a>00161 <span class="comment">//</span>
<a name="l00162"></a>00162 bundle-><a class="code" href="classdtn_1_1Bundle.html#857079bad68497626f75c2985b69052f" title="Setters and mutable accessors.">mutable_payload</a>()-><a class="code" href="classdtn_1_1BundlePayload.html#8abce553a70ab4bff48443d3faf49b2e" title="Set the payload data and length.">set_data</a>(scratch.buf(), report_length);
<a name="l00163"></a>00163 }
<a name="l00164"></a>00164
<a name="l00165"></a>00165 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00166"></a><a class="code" href="classdtn_1_1BundleStatusReport.html#a9e6e466cf356e0550bd1f36def1f4dc">00166</a> <span class="keywordtype">bool</span> BundleStatusReport::parse_status_report(<a class="code" href="structdtn_1_1BundleStatusReport_1_1data__t.html" title="Specification of the contents of a Bundle Status Report.">data_t</a>* data,
<a name="l00167"></a>00167 <span class="keyword">const</span> u_char* bp, u_int <a class="code" href="num2sdnv_8c.html#fed088663f8704004425cdae2120b9b3">len</a>)
<a name="l00168"></a>00168 {
<a name="l00169"></a>00169 <span class="comment">// 1 byte Admin Payload Type + Flags:</span>
<a name="l00170"></a>00170 <span class="keywordflow">if</span> (len < 1) { <span class="keywordflow">return</span> <span class="keyword">false</span>; }
<a name="l00171"></a>00171 data-><a class="code" href="structdtn_1_1BundleStatusReport_1_1data__t.html#e333f73e3e8e5f9006d976f9c38cab67">admin_type_</a> = (*bp >> 4);
<a name="l00172"></a>00172 data-><a class="code" href="structdtn_1_1BundleStatusReport_1_1data__t.html#6c1b239cbfe40a46de7795d6aa6d4ecf">admin_flags_</a> = *bp & 0xf;
<a name="l00173"></a>00173 bp++;
<a name="l00174"></a>00174 len--;
<a name="l00175"></a>00175
<a name="l00176"></a>00176 <span class="comment">// validate the admin type</span>
<a name="l00177"></a>00177 <span class="keywordflow">if</span> (data-><a class="code" href="structdtn_1_1BundleStatusReport_1_1data__t.html#e333f73e3e8e5f9006d976f9c38cab67">admin_type_</a> != <a class="code" href="classdtn_1_1BundleProtocol.html#35e3c05cad3ebc9ec0f4d9b0f88ece20e4dc69cfbb7fd68487cffea427db7f7f">BundleProtocol::ADMIN_STATUS_REPORT</a>) {
<a name="l00178"></a>00178 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00179"></a>00179 }
<a name="l00180"></a>00180
<a name="l00181"></a>00181 <span class="comment">// 1 byte Status Flags:</span>
<a name="l00182"></a>00182 <span class="keywordflow">if</span> (len < 1) { <span class="keywordflow">return</span> <span class="keyword">false</span>; }
<a name="l00183"></a>00183 data-><a class="code" href="structdtn_1_1BundleStatusReport_1_1data__t.html#3f1f30037f28bb8ad3de467df41d8a8d">status_flags_</a> = *bp++;
<a name="l00184"></a>00184 len--;
<a name="l00185"></a>00185
<a name="l00186"></a>00186 <span class="comment">// 1 byte Reason Code:</span>
<a name="l00187"></a>00187 <span class="keywordflow">if</span> (len < 1) { <span class="keywordflow">return</span> <span class="keyword">false</span>; }
<a name="l00188"></a>00188 data-><a class="code" href="structdtn_1_1BundleStatusReport_1_1data__t.html#12fab47b69881fcc1ca2cb75c6941746">reason_code_</a> = *bp++;
<a name="l00189"></a>00189 len--;
<a name="l00190"></a>00190
<a name="l00191"></a>00191 <span class="comment">// Fragment SDNV Fields (offset & length), if present:</span>
<a name="l00192"></a>00192 <span class="keywordflow">if</span> (data-><a class="code" href="structdtn_1_1BundleStatusReport_1_1data__t.html#6c1b239cbfe40a46de7795d6aa6d4ecf">admin_flags_</a> & <a class="code" href="classdtn_1_1BundleProtocol.html#f827c0a9dff8115434bc273dc53b7df1951511bc017d452550ea77dd9a15306b">BundleProtocol::ADMIN_IS_FRAGMENT</a>) {
<a name="l00193"></a>00193 <span class="keywordtype">int</span> sdnv_bytes = <a class="code" href="SDNV_8cc.html#151d178617a7c2f598cfd7630ebeb7b4">SDNV::decode</a>(bp, len, &data-><a class="code" href="structdtn_1_1BundleStatusReport_1_1data__t.html#dc07b750280a3ffb45b922f6dd64bda2">orig_frag_offset_</a>);
<a name="l00194"></a>00194 <span class="keywordflow">if</span> (sdnv_bytes == -1) { <span class="keywordflow">return</span> <span class="keyword">false</span>; }
<a name="l00195"></a>00195 bp += sdnv_bytes;
<a name="l00196"></a>00196 len -= sdnv_bytes;
<a name="l00197"></a>00197 sdnv_bytes = <a class="code" href="SDNV_8cc.html#151d178617a7c2f598cfd7630ebeb7b4">SDNV::decode</a>(bp, len, &data-><a class="code" href="structdtn_1_1BundleStatusReport_1_1data__t.html#aa5e604aa7f1e5309f33b3eaec40aaa5">orig_frag_length_</a>);
<a name="l00198"></a>00198 <span class="keywordflow">if</span> (sdnv_bytes == -1) { <span class="keywordflow">return</span> <span class="keyword">false</span>; }
<a name="l00199"></a>00199 bp += sdnv_bytes;
<a name="l00200"></a>00200 len -= sdnv_bytes;
<a name="l00201"></a>00201 }
<a name="l00202"></a>00202
<a name="l00203"></a>00203 <span class="comment">// The 6 Optional ACK Timestamps:</span>
<a name="l00204"></a>00204
<a name="l00205"></a>00205 <span class="keywordtype">int</span> ts_len;
<a name="l00206"></a>00206
<a name="l00207"></a>00207 <span class="keywordflow">if</span> (data-><a class="code" href="structdtn_1_1BundleStatusReport_1_1data__t.html#3f1f30037f28bb8ad3de467df41d8a8d">status_flags_</a> & <a class="code" href="classdtn_1_1BundleStatusReport.html#b2546897ef428634d8385363b6de149923a02b797429c4a3cf6c5e89f65ee036">BundleStatusReport::STATUS_RECEIVED</a>) {
<a name="l00208"></a>00208 ts_len = <a class="code" href="classdtn_1_1BundleProtocol.html#09d040740695f886e1e09bd9065767ab" title="Retrieve a DTN timestamp from a 64-bit value that was transmitted over the network...">BundleProtocol::get_timestamp</a>(&data-><a class="code" href="structdtn_1_1BundleStatusReport_1_1data__t.html#304997abfd815cb4570ba38d5dc5a0f9">receipt_tv_</a>, bp, len);
<a name="l00209"></a>00209 <span class="keywordflow">if</span> (ts_len < 0) { <span class="keywordflow">return</span> <span class="keyword">false</span>; }
<a name="l00210"></a>00210 bp += ts_len;
<a name="l00211"></a>00211 len -= ts_len;
<a name="l00212"></a>00212 } <span class="keywordflow">else</span> {
<a name="l00213"></a>00213 data-><a class="code" href="structdtn_1_1BundleStatusReport_1_1data__t.html#304997abfd815cb4570ba38d5dc5a0f9">receipt_tv_</a>.<a class="code" href="structdtn_1_1BundleTimestamp.html#02c8a347150620243240655bdcd2f42d" title="Seconds since 1/1/2000.">seconds_</a> = 0;
<a name="l00214"></a>00214 data-><a class="code" href="structdtn_1_1BundleStatusReport_1_1data__t.html#304997abfd815cb4570ba38d5dc5a0f9">receipt_tv_</a>.<a class="code" href="structdtn_1_1BundleTimestamp.html#ebc8cea66862d7f6056da450db410347" title="Sub-second sequence number.">seqno_</a> = 0;
<a name="l00215"></a>00215 }
<a name="l00216"></a>00216
<a name="l00217"></a>00217 <span class="keywordflow">if</span> (data-><a class="code" href="structdtn_1_1BundleStatusReport_1_1data__t.html#3f1f30037f28bb8ad3de467df41d8a8d">status_flags_</a> & <a class="code" href="classdtn_1_1BundleStatusReport.html#b2546897ef428634d8385363b6de1499064bcecfb056e6fb69163c02c178e16d">BundleStatusReport::STATUS_CUSTODY_ACCEPTED</a>) {
<a name="l00218"></a>00218 ts_len = <a class="code" href="classdtn_1_1BundleProtocol.html#09d040740695f886e1e09bd9065767ab" title="Retrieve a DTN timestamp from a 64-bit value that was transmitted over the network...">BundleProtocol::get_timestamp</a>(&data-><a class="code" href="structdtn_1_1BundleStatusReport_1_1data__t.html#a12c42c06734a0f27e09240cdcf40d5f">custody_tv_</a>, bp, len);
<a name="l00219"></a>00219 <span class="keywordflow">if</span> (ts_len < 0) { <span class="keywordflow">return</span> <span class="keyword">false</span>; }
<a name="l00220"></a>00220 bp += ts_len;
<a name="l00221"></a>00221 len -= ts_len;
<a name="l00222"></a>00222 } <span class="keywordflow">else</span> {
<a name="l00223"></a>00223 data-><a class="code" href="structdtn_1_1BundleStatusReport_1_1data__t.html#a12c42c06734a0f27e09240cdcf40d5f">custody_tv_</a>.<a class="code" href="structdtn_1_1BundleTimestamp.html#02c8a347150620243240655bdcd2f42d" title="Seconds since 1/1/2000.">seconds_</a> = 0;
<a name="l00224"></a>00224 data-><a class="code" href="structdtn_1_1BundleStatusReport_1_1data__t.html#a12c42c06734a0f27e09240cdcf40d5f">custody_tv_</a>.<a class="code" href="structdtn_1_1BundleTimestamp.html#ebc8cea66862d7f6056da450db410347" title="Sub-second sequence number.">seqno_</a> = 0;
<a name="l00225"></a>00225 }
<a name="l00226"></a>00226
<a name="l00227"></a>00227 <span class="keywordflow">if</span> (data-><a class="code" href="structdtn_1_1BundleStatusReport_1_1data__t.html#3f1f30037f28bb8ad3de467df41d8a8d">status_flags_</a> & <a class="code" href="classdtn_1_1BundleStatusReport.html#b2546897ef428634d8385363b6de14990bf1d45c8cccd8402bde14ee94f6547f">BundleStatusReport::STATUS_FORWARDED</a>) {
<a name="l00228"></a>00228 ts_len = <a class="code" href="classdtn_1_1BundleProtocol.html#09d040740695f886e1e09bd9065767ab" title="Retrieve a DTN timestamp from a 64-bit value that was transmitted over the network...">BundleProtocol::get_timestamp</a>(&data-><a class="code" href="structdtn_1_1BundleStatusReport_1_1data__t.html#8eb774a8ad59cdd6a3a91a87392b30da">forwarding_tv_</a>, bp, len);
<a name="l00229"></a>00229 <span class="keywordflow">if</span> (ts_len < 0) { <span class="keywordflow">return</span> <span class="keyword">false</span>; }
<a name="l00230"></a>00230 bp += ts_len;
<a name="l00231"></a>00231 len -= ts_len;
<a name="l00232"></a>00232 } <span class="keywordflow">else</span> {
<a name="l00233"></a>00233 data-><a class="code" href="structdtn_1_1BundleStatusReport_1_1data__t.html#8eb774a8ad59cdd6a3a91a87392b30da">forwarding_tv_</a>.<a class="code" href="structdtn_1_1BundleTimestamp.html#02c8a347150620243240655bdcd2f42d" title="Seconds since 1/1/2000.">seconds_</a> = 0;
<a name="l00234"></a>00234 data-><a class="code" href="structdtn_1_1BundleStatusReport_1_1data__t.html#8eb774a8ad59cdd6a3a91a87392b30da">forwarding_tv_</a>.<a class="code" href="structdtn_1_1BundleTimestamp.html#ebc8cea66862d7f6056da450db410347" title="Sub-second sequence number.">seqno_</a> = 0;
<a name="l00235"></a>00235 }
<a name="l00236"></a>00236
<a name="l00237"></a>00237 <span class="keywordflow">if</span> (data-><a class="code" href="structdtn_1_1BundleStatusReport_1_1data__t.html#3f1f30037f28bb8ad3de467df41d8a8d">status_flags_</a> & <a class="code" href="classdtn_1_1BundleStatusReport.html#b2546897ef428634d8385363b6de1499c3d5b382fe3e58a9ef8a7ad98203e9f0">BundleStatusReport::STATUS_DELIVERED</a>) {
<a name="l00238"></a>00238 ts_len = <a class="code" href="classdtn_1_1BundleProtocol.html#09d040740695f886e1e09bd9065767ab" title="Retrieve a DTN timestamp from a 64-bit value that was transmitted over the network...">BundleProtocol::get_timestamp</a>(&data-><a class="code" href="structdtn_1_1BundleStatusReport_1_1data__t.html#972b1e9695dd6d0ed5802170e22ff489">delivery_tv_</a>, bp, len);
<a name="l00239"></a>00239 <span class="keywordflow">if</span> (ts_len < 0) { <span class="keywordflow">return</span> <span class="keyword">false</span>; }
<a name="l00240"></a>00240 bp += ts_len;
<a name="l00241"></a>00241 len -= ts_len;
<a name="l00242"></a>00242 } <span class="keywordflow">else</span> {
<a name="l00243"></a>00243 data-><a class="code" href="structdtn_1_1BundleStatusReport_1_1data__t.html#972b1e9695dd6d0ed5802170e22ff489">delivery_tv_</a>.<a class="code" href="structdtn_1_1BundleTimestamp.html#02c8a347150620243240655bdcd2f42d" title="Seconds since 1/1/2000.">seconds_</a> = 0;
<a name="l00244"></a>00244 data-><a class="code" href="structdtn_1_1BundleStatusReport_1_1data__t.html#972b1e9695dd6d0ed5802170e22ff489">delivery_tv_</a>.<a class="code" href="structdtn_1_1BundleTimestamp.html#ebc8cea66862d7f6056da450db410347" title="Sub-second sequence number.">seqno_</a> = 0;
<a name="l00245"></a>00245 }
<a name="l00246"></a>00246
<a name="l00247"></a>00247 <span class="keywordflow">if</span> (data-><a class="code" href="structdtn_1_1BundleStatusReport_1_1data__t.html#3f1f30037f28bb8ad3de467df41d8a8d">status_flags_</a> & <a class="code" href="classdtn_1_1BundleStatusReport.html#b2546897ef428634d8385363b6de14990b94e9bc2f3ff0bb55a9920a9a5058f2">BundleStatusReport::STATUS_DELETED</a>) {
<a name="l00248"></a>00248 ts_len = <a class="code" href="classdtn_1_1BundleProtocol.html#09d040740695f886e1e09bd9065767ab" title="Retrieve a DTN timestamp from a 64-bit value that was transmitted over the network...">BundleProtocol::get_timestamp</a>(&data-><a class="code" href="structdtn_1_1BundleStatusReport_1_1data__t.html#54689605e52b7c87e60f2ff0ab8fb413">deletion_tv_</a>, bp, len);
<a name="l00249"></a>00249 <span class="keywordflow">if</span> (ts_len < 0) { <span class="keywordflow">return</span> <span class="keyword">false</span>; }
<a name="l00250"></a>00250 bp += ts_len;
<a name="l00251"></a>00251 len -= ts_len;
<a name="l00252"></a>00252 } <span class="keywordflow">else</span> {
<a name="l00253"></a>00253 data-><a class="code" href="structdtn_1_1BundleStatusReport_1_1data__t.html#54689605e52b7c87e60f2ff0ab8fb413">deletion_tv_</a>.<a class="code" href="structdtn_1_1BundleTimestamp.html#02c8a347150620243240655bdcd2f42d" title="Seconds since 1/1/2000.">seconds_</a> = 0;
<a name="l00254"></a>00254 data-><a class="code" href="structdtn_1_1BundleStatusReport_1_1data__t.html#54689605e52b7c87e60f2ff0ab8fb413">deletion_tv_</a>.<a class="code" href="structdtn_1_1BundleTimestamp.html#ebc8cea66862d7f6056da450db410347" title="Sub-second sequence number.">seqno_</a> = 0;
<a name="l00255"></a>00255 }
<a name="l00256"></a>00256
<a name="l00257"></a>00257 <span class="keywordflow">if</span> (data-><a class="code" href="structdtn_1_1BundleStatusReport_1_1data__t.html#3f1f30037f28bb8ad3de467df41d8a8d">status_flags_</a> & <a class="code" href="classdtn_1_1BundleStatusReport.html#b2546897ef428634d8385363b6de1499c3f0fc79cd0c05849272121d95eb3b4a">BundleStatusReport::STATUS_ACKED_BY_APP</a>) {
<a name="l00258"></a>00258 ts_len = <a class="code" href="classdtn_1_1BundleProtocol.html#09d040740695f886e1e09bd9065767ab" title="Retrieve a DTN timestamp from a 64-bit value that was transmitted over the network...">BundleProtocol::get_timestamp</a>(&data-><a class="code" href="structdtn_1_1BundleStatusReport_1_1data__t.html#d83b26f19b8246119e870453922ba151">ack_by_app_tv_</a>, bp, len);
<a name="l00259"></a>00259 <span class="keywordflow">if</span> (ts_len < 0) { <span class="keywordflow">return</span> <span class="keyword">false</span>; }
<a name="l00260"></a>00260 bp += ts_len;
<a name="l00261"></a>00261 len -= ts_len;
<a name="l00262"></a>00262 } <span class="keywordflow">else</span> {
<a name="l00263"></a>00263 data-><a class="code" href="structdtn_1_1BundleStatusReport_1_1data__t.html#d83b26f19b8246119e870453922ba151">ack_by_app_tv_</a>.<a class="code" href="structdtn_1_1BundleTimestamp.html#02c8a347150620243240655bdcd2f42d" title="Seconds since 1/1/2000.">seconds_</a> = 0;
<a name="l00264"></a>00264 data-><a class="code" href="structdtn_1_1BundleStatusReport_1_1data__t.html#d83b26f19b8246119e870453922ba151">ack_by_app_tv_</a>.<a class="code" href="structdtn_1_1BundleTimestamp.html#ebc8cea66862d7f6056da450db410347" title="Sub-second sequence number.">seqno_</a> = 0;
<a name="l00265"></a>00265 }
<a name="l00266"></a>00266
<a name="l00267"></a>00267 <span class="comment">// Bundle Creation Timestamp</span>
<a name="l00268"></a>00268 ts_len = <a class="code" href="classdtn_1_1BundleProtocol.html#09d040740695f886e1e09bd9065767ab" title="Retrieve a DTN timestamp from a 64-bit value that was transmitted over the network...">BundleProtocol::get_timestamp</a>(&data-><a class="code" href="structdtn_1_1BundleStatusReport_1_1data__t.html#24a8b16df7b3050f6ca8fb2479c6d574">orig_creation_tv_</a>, bp, len);
<a name="l00269"></a>00269 <span class="keywordflow">if</span> (ts_len < 0) { <span class="keywordflow">return</span> <span class="keyword">false</span>; }
<a name="l00270"></a>00270 bp += ts_len;
<a name="l00271"></a>00271 len -= ts_len;
<a name="l00272"></a>00272
<a name="l00273"></a>00273 <span class="comment">// EID of Bundle</span>
<a name="l00274"></a>00274 u_int64_t EID_len;
<a name="l00275"></a>00275 <span class="keywordtype">int</span> num_bytes = <a class="code" href="SDNV_8cc.html#151d178617a7c2f598cfd7630ebeb7b4">SDNV::decode</a>(bp, len, &EID_len);
<a name="l00276"></a>00276 <span class="keywordflow">if</span> (num_bytes == -1) { <span class="keywordflow">return</span> <span class="keyword">false</span>; }
<a name="l00277"></a>00277 bp += num_bytes;
<a name="l00278"></a>00278 len -= num_bytes;
<a name="l00279"></a>00279
<a name="l00280"></a>00280 <span class="keywordflow">if</span> (len != EID_len) { <span class="keywordflow">return</span> <span class="keyword">false</span>; }
<a name="l00281"></a>00281 <span class="keywordtype">bool</span> ok = data-><a class="code" href="structdtn_1_1BundleStatusReport_1_1data__t.html#a0e5648f21a9d7ded26521289c2e4aeb">orig_source_eid_</a>.<a class="code" href="classdtn_1_1EndpointID.html#ec39752e4da3107b16ff5da58d2aa5ab" title="Assign this endpoint ID as a copy of the other.">assign</a>(std::string((<span class="keyword">const</span> <span class="keywordtype">char</span>*)bp, len));
<a name="l00282"></a>00282 <span class="keywordflow">if</span> (!ok) {
<a name="l00283"></a>00283 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00284"></a>00284 }
<a name="l00285"></a>00285
<a name="l00286"></a>00286 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00287"></a>00287 }
<a name="l00288"></a>00288
<a name="l00289"></a>00289 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00290"></a>00290 <span class="keywordtype">bool</span>
<a name="l00291"></a><a class="code" href="classdtn_1_1BundleStatusReport.html#4ecd1fbeed4960b87f389d888d9a46d8">00291</a> <a class="code" href="classdtn_1_1BundleStatusReport.html#a9e6e466cf356e0550bd1f36def1f4dc" title="Parse a byte stream containing a Status Report Payload and store the fields in the...">BundleStatusReport::parse_status_report</a>(<a class="code" href="structdtn_1_1BundleStatusReport_1_1data__t.html" title="Specification of the contents of a Bundle Status Report.">data_t</a>* data,
<a name="l00292"></a>00292 <span class="keyword">const</span> <a class="code" href="classdtn_1_1Bundle.html" title="The internal representation of a bundle.">Bundle</a>* bundle)
<a name="l00293"></a>00293 {
<a name="l00294"></a>00294 <a class="code" href="classdtn_1_1BundleProtocol.html#35e3c05cad3ebc9ec0f4d9b0f88ece20" title="Administrative Record Type Codes.">BundleProtocol::admin_record_type_t</a> admin_type;
<a name="l00295"></a>00295 <span class="keywordflow">if</span> (! <a class="code" href="classdtn_1_1BundleProtocol.html#0100870ed71be16830543b822cfffd2c" title="Assuming the given bundle is an administrative bundle, extract the admin bundle type...">BundleProtocol::get_admin_type</a>(bundle, &admin_type)) {
<a name="l00296"></a>00296 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00297"></a>00297 }
<a name="l00298"></a>00298
<a name="l00299"></a>00299 <span class="keywordflow">if</span> (admin_type != <a class="code" href="classdtn_1_1BundleProtocol.html#35e3c05cad3ebc9ec0f4d9b0f88ece20e4dc69cfbb7fd68487cffea427db7f7f">BundleProtocol::ADMIN_STATUS_REPORT</a>) {
<a name="l00300"></a>00300 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00301"></a>00301 }
<a name="l00302"></a>00302
<a name="l00303"></a>00303 <span class="keywordtype">size_t</span> payload_len = bundle-><a class="code" href="classdtn_1_1Bundle.html#3bc0b88b547620b4029eba4809a73447" title="Accessors.">payload</a>().<a class="code" href="classdtn_1_1BundlePayload.html#56b3851ad789c4dbf019a32d557b7453" title="The payload length.">length</a>();
<a name="l00304"></a>00304 <span class="keywordflow">if</span> (payload_len > 16384) {
<a name="l00305"></a>00305 <a class="code" href="SDNV_8cc.html#3f24cadc9f28aba33472df0500092dcb">log_err_p</a>(<span class="stringliteral">"/dtn/bundle/protocol"</span>,
<a name="l00306"></a>00306 <span class="stringliteral">"status report length %zu too big to be parsed!!"</span>,
<a name="l00307"></a>00307 payload_len);
<a name="l00308"></a>00308 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00309"></a>00309 }
<a name="l00310"></a>00310
<a name="l00311"></a>00311 oasys::ScratchBuffer<u_char*, 256> <a class="code" href="num2sdnv_8c.html#a81cdcc7ff6987bc85c073253e32715f">buf</a>;
<a name="l00312"></a>00312 buf.reserve(payload_len);
<a name="l00313"></a>00313 <span class="keyword">const</span> u_char* bp = bundle-><a class="code" href="classdtn_1_1Bundle.html#3bc0b88b547620b4029eba4809a73447" title="Accessors.">payload</a>().<a class="code" href="classdtn_1_1BundlePayload.html#c4ce25f2d2d7ad54a9306ea2599731b4" title="Copy out a chunk of payload data into the supplied buffer.">read_data</a>(0, payload_len, buf.buf());
<a name="l00314"></a>00314 <span class="keywordflow">return</span> <a class="code" href="classdtn_1_1BundleStatusReport.html#a9e6e466cf356e0550bd1f36def1f4dc" title="Parse a byte stream containing a Status Report Payload and store the fields in the...">parse_status_report</a>(data, bp, payload_len);
<a name="l00315"></a>00315 }
<a name="l00316"></a>00316
<a name="l00317"></a>00317 <span class="comment">//----------------------------------------------------------------------</span>
<a name="l00318"></a>00318 <span class="keyword">const</span> <span class="keywordtype">char</span>*
<a name="l00319"></a><a class="code" href="classdtn_1_1BundleStatusReport.html#c01eebd70430ee5eaf44240097a765cf">00319</a> <a class="code" href="classdtn_1_1BundleStatusReport.html#c01eebd70430ee5eaf44240097a765cf" title="Return a string version of the reason code.">BundleStatusReport::reason_to_str</a>(u_int8_t reason)
<a name="l00320"></a>00320 {
<a name="l00321"></a>00321 <span class="keywordflow">switch</span> (reason) {
<a name="l00322"></a>00322 <span class="keywordflow">case</span> <a class="code" href="classdtn_1_1BundleProtocol.html#37b000d94172c06970bb8af32889f917eac137290a0338e66ed4a0c1cc09c2f2">BundleProtocol::REASON_NO_ADDTL_INFO</a>:
<a name="l00323"></a>00323 <span class="keywordflow">return</span> <span class="stringliteral">"no additional information"</span>;
<a name="l00324"></a>00324
<a name="l00325"></a>00325 <span class="keywordflow">case</span> <a class="code" href="classdtn_1_1BundleProtocol.html#37b000d94172c06970bb8af32889f91773f35a814d405ad151db78f95422a394">BundleProtocol::REASON_LIFETIME_EXPIRED</a>:
<a name="l00326"></a>00326 <span class="keywordflow">return</span> <span class="stringliteral">"lifetime expired"</span>;
<a name="l00327"></a>00327
<a name="l00328"></a>00328 <span class="keywordflow">case</span> <a class="code" href="classdtn_1_1BundleProtocol.html#37b000d94172c06970bb8af32889f917e2b2502001dc9ec3108744dc835b6511">BundleProtocol::REASON_FORWARDED_UNIDIR_LINK</a>:
<a name="l00329"></a>00329 <span class="keywordflow">return</span> <span class="stringliteral">"forwarded over unidirectional link"</span>;
<a name="l00330"></a>00330
<a name="l00331"></a>00331 <span class="keywordflow">case</span> <a class="code" href="classdtn_1_1BundleProtocol.html#37b000d94172c06970bb8af32889f917fcf8e25210f4249990dad68547f7b993">BundleProtocol::REASON_TRANSMISSION_CANCELLED</a>:
<a name="l00332"></a>00332 <span class="keywordflow">return</span> <span class="stringliteral">"transmission cancelled"</span>;
<a name="l00333"></a>00333
<a name="l00334"></a>00334 <span class="keywordflow">case</span> <a class="code" href="classdtn_1_1BundleProtocol.html#37b000d94172c06970bb8af32889f9176e886c084e3e545573e435ef04760c1a">BundleProtocol::REASON_DEPLETED_STORAGE</a>:
<a name="l00335"></a>00335 <span class="keywordflow">return</span> <span class="stringliteral">"depleted storage"</span>;
<a name="l00336"></a>00336
<a name="l00337"></a>00337 <span class="keywordflow">case</span> <a class="code" href="classdtn_1_1BundleProtocol.html#37b000d94172c06970bb8af32889f917261a9bdbc6f572b8cff433355d191e43">BundleProtocol::REASON_ENDPOINT_ID_UNINTELLIGIBLE</a>:
<a name="l00338"></a>00338 <span class="keywordflow">return</span> <span class="stringliteral">"endpoint id unintelligible"</span>;
<a name="l00339"></a>00339
<a name="l00340"></a>00340 <span class="keywordflow">case</span> <a class="code" href="classdtn_1_1BundleProtocol.html#37b000d94172c06970bb8af32889f917e692ecf914f35ccd754a12534793b7d1">BundleProtocol::REASON_NO_ROUTE_TO_DEST</a>:
<a name="l00341"></a>00341 <span class="keywordflow">return</span> <span class="stringliteral">"no known route to destination"</span>;
<a name="l00342"></a>00342
<a name="l00343"></a>00343 <span class="keywordflow">case</span> <a class="code" href="classdtn_1_1BundleProtocol.html#37b000d94172c06970bb8af32889f917635c372cffcc51473ade75ebfa02c1f0">BundleProtocol::REASON_NO_TIMELY_CONTACT</a>:
<a name="l00344"></a>00344 <span class="keywordflow">return</span> <span class="stringliteral">"no timely contact"</span>;
<a name="l00345"></a>00345
<a name="l00346"></a>00346 <span class="keywordflow">case</span> <a class="code" href="classdtn_1_1BundleProtocol.html#37b000d94172c06970bb8af32889f917a86c9900fe5641754acdcdb326b79b2c">BundleProtocol::REASON_BLOCK_UNINTELLIGIBLE</a>:
<a name="l00347"></a>00347 <span class="keywordflow">return</span> <span class="stringliteral">"block unintelligible"</span>;
<a name="l00348"></a>00348
<a name="l00349"></a>00349 <span class="keywordflow">default</span>:
<a name="l00350"></a>00350 <span class="keywordflow">return</span> <span class="stringliteral">"(unknown reason)"</span>;
<a name="l00351"></a>00351 }
<a name="l00352"></a>00352 }
<a name="l00353"></a>00353
<a name="l00354"></a>00354 } <span class="comment">// namespace dtn</span>
</pre></div></div>
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