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<h1>j_jdwp.cc</h1><a href="j__jdwp_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"></span><span class="comment">/// \file j_jdwp.cc</span>
<a name="l00003"></a>00003 <span class="comment"></span><span class="comment">/// JDWP socket communication implementation</span>
<a name="l00004"></a>00004 <span class="comment"></span><span class="comment">///</span>
<a name="l00005"></a>00005 <span class="comment"></span>
<a name="l00006"></a>00006 <span class="comment">/*</span>
<a name="l00007"></a>00007 <span class="comment"> Copyright (C) 2009, Nicolas VIVIEN</span>
<a name="l00008"></a>00008 <span class="comment"></span>
<a name="l00009"></a>00009 <span class="comment"> This program is free software; you can redistribute it and/or modify</span>
<a name="l00010"></a>00010 <span class="comment"> it under the terms of the GNU General Public License as published by</span>
<a name="l00011"></a>00011 <span class="comment"> the Free Software Foundation; either version 2 of the License, or</span>
<a name="l00012"></a>00012 <span class="comment"> (at your option) any later version.</span>
<a name="l00013"></a>00013 <span class="comment"></span>
<a name="l00014"></a>00014 <span class="comment"> This program is distributed in the hope that it will be useful,</span>
<a name="l00015"></a>00015 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00016"></a>00016 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.</span>
<a name="l00017"></a>00017 <span class="comment"></span>
<a name="l00018"></a>00018 <span class="comment"> See the GNU General Public License in the COPYING file at the</span>
<a name="l00019"></a>00019 <span class="comment"> root directory of this project for more details.</span>
<a name="l00020"></a>00020 <span class="comment">*/</span>
<a name="l00021"></a>00021
<a name="l00022"></a>00022 <span class="preprocessor">#include "<a class="code" href="j__jdwp_8h.html" title="JDWP classes.">j_jdwp.h</a>"</span>
<a name="l00023"></a>00023 <span class="preprocessor">#include "<a class="code" href="data_8h.html" title="Class to deal with pre-saved data files.">data.h</a>"</span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <sstream></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <iomanip></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include <errno.h></span>
<a name="l00027"></a>00027
<a name="l00028"></a>00028
<a name="l00029"></a>00029 <span class="keyword">namespace </span>Barry { <span class="keyword">namespace </span>JDWP {
<a name="l00030"></a>00030
<a name="l00031"></a>00031 <span class="comment"></span>
<a name="l00032"></a>00032 <span class="comment">///////////////////////////////////////////////////////////////////////////////</span>
<a name="l00033"></a>00033 <span class="comment"></span><span class="comment">// JDWP::Error exception class</span>
<a name="l00034"></a>00034
<a name="l00035"></a>00035 <span class="keyword">static</span> std::string GetErrorString(<span class="keywordtype">int</span> errcode, <span class="keyword">const</span> std::string &str)
<a name="l00036"></a>00036 {
<a name="l00037"></a>00037 std::ostringstream oss;
<a name="l00038"></a>00038 oss << <span class="stringliteral">"("</span>;
<a name="l00039"></a>00039
<a name="l00040"></a>00040 <span class="keywordflow">if</span>( errcode ) {
<a name="l00041"></a>00041 oss << std::setbase(10) << errcode << <span class="stringliteral">", "</span>;
<a name="l00042"></a>00042 }
<a name="l00043"></a>00043
<a name="l00044"></a>00044 <span class="comment">// oss << strerror(-libusb_errno) << "): "</span>
<a name="l00045"></a>00045 oss << <span class="stringliteral">"): "</span>;
<a name="l00046"></a>00046 oss << str;
<a name="l00047"></a>00047 <span class="keywordflow">return</span> oss.str();
<a name="l00048"></a>00048 }
<a name="l00049"></a>00049
<a name="l00050"></a>00050
<a name="l00051"></a>00051 Error::Error(<span class="keyword">const</span> std::string &str)
<a name="l00052"></a>00052 : Barry::Error(GetErrorString(0, str))
<a name="l00053"></a>00053 , m_errcode(0)
<a name="l00054"></a>00054 {
<a name="l00055"></a>00055 }
<a name="l00056"></a>00056
<a name="l00057"></a>00057
<a name="l00058"></a>00058 Error::Error(<span class="keywordtype">int</span> errcode, <span class="keyword">const</span> std::string &str)
<a name="l00059"></a>00059 : Barry::Error(GetErrorString(errcode, str))
<a name="l00060"></a>00060 , m_errcode(errcode)
<a name="l00061"></a>00061 {
<a name="l00062"></a>00062 }
<a name="l00063"></a>00063
<a name="l00064"></a>00064
<a name="l00065"></a>00065 <span class="comment"></span>
<a name="l00066"></a>00066 <span class="comment">///////////////////////////////////////////////////////////////////////////////</span>
<a name="l00067"></a>00067 <span class="comment"></span><span class="comment">// JDWP::JDWP communication class</span>
<a name="l00068"></a>00068
<a name="l00069"></a>00069 JDWP::JDWP()
<a name="l00070"></a>00070 {
<a name="l00071"></a>00071 }
<a name="l00072"></a>00072
<a name="l00073"></a>00073
<a name="l00074"></a>00074 JDWP::~JDWP()
<a name="l00075"></a>00075 {
<a name="l00076"></a>00076 }
<a name="l00077"></a>00077
<a name="l00078"></a>00078
<a name="l00079"></a>00079 <span class="keywordtype">bool</span> JDWP::Read(<span class="keywordtype">int</span> socket, <a class="code" href="classBarry_1_1Data.html">Barry::Data</a> &data, <span class="keywordtype">int</span> timeout)
<a name="l00080"></a>00080 {
<a name="l00081"></a>00081 <span class="keywordtype">int</span> ret;
<a name="l00082"></a>00082
<a name="l00083"></a>00083 <span class="keywordflow">do</span> {
<a name="l00084"></a>00084 data.<a class="code" href="classBarry_1_1Data.html#a609a9523ce8ce8b94724c66751468858" title="set buffer to 0 size, but don&#39;t bother overwriting memory with 0">QuickZap</a>();
<a name="l00085"></a>00085
<a name="l00086"></a>00086 ret = read(socket, (<span class="keywordtype">char</span>*) data.GetBuffer(), data.GetBufSize());
<a name="l00087"></a>00087
<a name="l00088"></a>00088 <span class="keywordflow">if</span>( ret < 0 ) {
<a name="l00089"></a>00089 ret = -errno;
<a name="l00090"></a>00090 <span class="keywordflow">if</span> (ret != -EINTR && ret != -EAGAIN ) {
<a name="l00091"></a>00091 m_lasterror = ret;
<a name="l00092"></a>00092 <span class="keywordflow">if</span>( ret == -ETIMEDOUT )
<a name="l00093"></a>00093 <span class="keywordflow">throw</span> Timeout(ret, <span class="stringliteral">"Timeout in read"</span>);
<a name="l00094"></a>00094 <span class="keywordflow">else</span>
<a name="l00095"></a>00095 <span class="keywordflow">throw</span> Error(ret, <span class="stringliteral">"Error in read"</span>);
<a name="l00096"></a>00096 }
<a name="l00097"></a>00097 }
<a name="l00098"></a>00098 <span class="keywordflow">else</span>
<a name="l00099"></a>00099 data.ReleaseBuffer(ret);
<a name="l00100"></a>00100 } <span class="keywordflow">while</span>( ret == -EINTR );
<a name="l00101"></a>00101
<a name="l00102"></a>00102 <span class="keywordflow">return</span> ret >= 0;
<a name="l00103"></a>00103 }
<a name="l00104"></a>00104
<a name="l00105"></a>00105
<a name="l00106"></a>00106 <span class="keywordtype">bool</span> JDWP::Write(<span class="keywordtype">int</span> socket, <span class="keyword">const</span> <a class="code" href="classBarry_1_1Data.html">Barry::Data</a> &data, <span class="keywordtype">int</span> timeout)
<a name="l00107"></a>00107 {
<a name="l00108"></a>00108 <span class="keywordtype">int</span> ret;
<a name="l00109"></a>00109
<a name="l00110"></a>00110 <span class="keywordflow">do</span> {
<a name="l00111"></a>00111 ret = write(socket, (<span class="keywordtype">char</span>*) data.GetData(), data.GetSize());
<a name="l00112"></a>00112
<a name="l00113"></a>00113 <span class="keywordflow">if</span>( ret < 0 && ret != -EINTR && ret != -EAGAIN ) {
<a name="l00114"></a>00114 m_lasterror = ret;
<a name="l00115"></a>00115 <span class="keywordflow">if</span>( ret == -ETIMEDOUT )
<a name="l00116"></a>00116 <span class="keywordflow">throw</span> Timeout(ret, <span class="stringliteral">"Timeout in write (1)"</span>);
<a name="l00117"></a>00117 <span class="keywordflow">else</span>
<a name="l00118"></a>00118 <span class="keywordflow">throw</span> Error(ret, <span class="stringliteral">"Error in write (1)"</span>);
<a name="l00119"></a>00119 }
<a name="l00120"></a>00120 } <span class="keywordflow">while</span>( ret == -EINTR || ret == -EAGAIN );
<a name="l00121"></a>00121
<a name="l00122"></a>00122 <span class="keywordflow">return</span> ret >= 0;
<a name="l00123"></a>00123 }
<a name="l00124"></a>00124
<a name="l00125"></a>00125
<a name="l00126"></a>00126 <span class="keywordtype">bool</span> JDWP::Write(<span class="keywordtype">int</span> socket, <span class="keyword">const</span> <span class="keywordtype">void</span> *data, <span class="keywordtype">size_t</span> size, <span class="keywordtype">int</span> timeout)
<a name="l00127"></a>00127 {
<a name="l00128"></a>00128 <span class="keywordtype">int</span> ret;
<a name="l00129"></a>00129
<a name="l00130"></a>00130 <span class="keywordflow">do</span> {
<a name="l00131"></a>00131 ret = write(socket, (<span class="keywordtype">char</span>*) data, size);
<a name="l00132"></a>00132
<a name="l00133"></a>00133 <span class="keywordflow">if</span>( ret < 0 && ret != -EINTR && ret != -EAGAIN ) {
<a name="l00134"></a>00134 m_lasterror = ret;
<a name="l00135"></a>00135 <span class="keywordflow">if</span>( ret == -ETIMEDOUT )
<a name="l00136"></a>00136 <span class="keywordflow">throw</span> Timeout(ret, <span class="stringliteral">"Timeout in write (2)"</span>);
<a name="l00137"></a>00137 <span class="keywordflow">else</span>
<a name="l00138"></a>00138 <span class="keywordflow">throw</span> Error(ret, <span class="stringliteral">"Error in write (2)"</span>);
<a name="l00139"></a>00139 }
<a name="l00140"></a>00140 } <span class="keywordflow">while</span>( ret == -EINTR || ret == -EAGAIN );
<a name="l00141"></a>00141
<a name="l00142"></a>00142 <span class="keywordflow">return</span> ret >= 0;
<a name="l00143"></a>00143 }
<a name="l00144"></a>00144
<a name="l00145"></a>00145 }} <span class="comment">// namespace JDWP</span>
<a name="l00146"></a>00146
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