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<h1>brawchannel.cc</h1><a href="brawchannel_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 brawchannel.cc</span>
<a name="l00003"></a>00003 <span class="comment"></span><span class="comment">/// Directs a named raw channel over STDIN/STDOUT</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) 2010, RealVNC Ltd.</span>
<a name="l00008"></a>00008 <span class="comment"></span>
<a name="l00009"></a>00009 <span class="comment"> Some parts are inspired from bjavaloader.cc</span>
<a name="l00010"></a>00010 <span class="comment"></span>
<a name="l00011"></a>00011 <span class="comment"> This program is free software; you can redistribute it and/or modify</span>
<a name="l00012"></a>00012 <span class="comment"> it under the terms of the GNU General Public License as published by</span>
<a name="l00013"></a>00013 <span class="comment"> the Free Software Foundation; either version 2 of the License, or</span>
<a name="l00014"></a>00014 <span class="comment"> (at your option) any later version.</span>
<a name="l00015"></a>00015 <span class="comment"></span>
<a name="l00016"></a>00016 <span class="comment"> This program is distributed in the hope that it will be useful,</span>
<a name="l00017"></a>00017 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00018"></a>00018 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.</span>
<a name="l00019"></a>00019 <span class="comment"></span>
<a name="l00020"></a>00020 <span class="comment"> See the GNU General Public License in the COPYING file at the</span>
<a name="l00021"></a>00021 <span class="comment"> root directory of this project for more details.</span>
<a name="l00022"></a>00022 <span class="comment">*/</span>
<a name="l00023"></a>00023
<a name="l00024"></a>00024
<a name="l00025"></a>00025 <span class="preprocessor">#include <barry/barry.h></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include <iostream></span>
<a name="l00027"></a>00027 <span class="preprocessor">#include <vector></span>
<a name="l00028"></a>00028 <span class="preprocessor">#include <string></span>
<a name="l00029"></a>00029 <span class="preprocessor">#include <cstring></span>
<a name="l00030"></a>00030 <span class="preprocessor">#include <cstdio></span>
<a name="l00031"></a>00031 <span class="preprocessor">#include <cstdlib></span>
<a name="l00032"></a>00032 <span class="preprocessor">#include <algorithm></span>
<a name="l00033"></a>00033 <span class="preprocessor">#include <getopt.h></span>
<a name="l00034"></a>00034 <span class="preprocessor">#include <fstream></span>
<a name="l00035"></a>00035 <span class="preprocessor">#include <string.h></span>
<a name="l00036"></a>00036 <span class="preprocessor">#include <sys/types.h></span>
<a name="l00037"></a>00037 <span class="preprocessor">#include <sys/time.h></span>
<a name="l00038"></a>00038 <span class="preprocessor">#include <unistd.h></span>
<a name="l00039"></a>00039 <span class="preprocessor">#include <signal.h></span>
<a name="l00040"></a>00040 <span class="preprocessor">#include <errno.h></span>
<a name="l00041"></a>00041 <span class="preprocessor">#include <pthread.h></span>
<a name="l00042"></a>00042
<a name="l00043"></a>00043 <span class="preprocessor">#include "<a class="code" href="i18n_8h.html" title="Common internationalization defines, via gettext.">i18n.h</a>"</span>
<a name="l00044"></a>00044 <span class="preprocessor">#include "platform.h"</span>
<a name="l00045"></a>00045
<a name="l00046"></a>00046 <span class="keyword">using namespace </span>std;
<a name="l00047"></a>00047 <span class="keyword">using namespace </span>Barry;
<a name="l00048"></a>00048
<a name="l00049"></a>00049 <span class="comment">// How long to wait between reads before checking if should shutdown</span>
<a name="l00050"></a>00050 <span class="preprocessor">#define READ_TIMEOUT_SECONDS 1</span>
<a name="l00051"></a>00051 <span class="preprocessor"></span>
<a name="l00052"></a>00052 <span class="keyword">static</span> <span class="keyword">volatile</span> <span class="keywordtype">bool</span> signalReceived = <span class="keyword">false</span>;
<a name="l00053"></a>00053
<a name="l00054"></a>00054 <span class="keyword">static</span> <span class="keywordtype">void</span> signalHandler(<span class="keywordtype">int</span> signum)
<a name="l00055"></a>00055 {
<a name="l00056"></a>00056 signalReceived = <span class="keyword">true</span>;
<a name="l00057"></a>00057 }
<a name="l00058"></a>00058
<a name="l00059"></a>00059 <span class="keyword">class </span>CallbackHandler : <span class="keyword">public</span> Barry::Mode::RawChannelDataCallback
<a name="l00060"></a>00060 {
<a name="l00061"></a>00061 <span class="keyword">private</span>:
<a name="l00062"></a>00062 <span class="keyword">volatile</span> <span class="keywordtype">bool</span> *m_continuePtr;
<a name="l00063"></a>00063 <span class="keywordtype">bool</span> m_verbose;
<a name="l00064"></a>00064
<a name="l00065"></a>00065 <span class="keyword">public</span>:
<a name="l00066"></a>00066 CallbackHandler(<span class="keyword">volatile</span> <span class="keywordtype">bool</span> &keepGoing, <span class="keywordtype">bool</span> verbose)
<a name="l00067"></a>00067 : m_continuePtr(&keepGoing)
<a name="l00068"></a>00068 , m_verbose(verbose)
<a name="l00069"></a>00069 {
<a name="l00070"></a>00070 }
<a name="l00071"></a>00071
<a name="l00072"></a>00072
<a name="l00073"></a>00073 <span class="keyword">public</span>: <span class="comment">// From RawChannelDataCallback</span>
<a name="l00074"></a>00074 <span class="keyword">virtual</span> <span class="keywordtype">void</span> DataReceived(Data &data);
<a name="l00075"></a>00075 <span class="keyword">virtual</span> <span class="keywordtype">void</span> ChannelError(<span class="keywordtype">string</span> msg);
<a name="l00076"></a>00076 <span class="keyword">virtual</span> <span class="keywordtype">void</span> ChannelClose();
<a name="l00077"></a>00077 };
<a name="l00078"></a>00078
<a name="l00079"></a>00079
<a name="l00080"></a>00080 <span class="keywordtype">void</span> CallbackHandler::DataReceived(Data &data)
<a name="l00081"></a>00081 {
<a name="l00082"></a>00082 <span class="keywordflow">if</span>( m_verbose ) {
<a name="l00083"></a>00083 cerr << <span class="stringliteral">"From BB: "</span>;
<a name="l00084"></a>00084 data.DumpHex(cerr);
<a name="l00085"></a>00085 cerr << <span class="stringliteral">"\n"</span>;
<a name="l00086"></a>00086 }
<a name="l00087"></a>00087
<a name="l00088"></a>00088 <span class="keywordtype">size_t</span> toWrite = data.GetSize();
<a name="l00089"></a>00089 <span class="keywordtype">size_t</span> written = 0;
<a name="l00090"></a>00090
<a name="l00091"></a>00091 <span class="keywordflow">while</span>( written < toWrite && *m_continuePtr ) {
<a name="l00092"></a>00092 ssize_t writtenThisTime = write(STDOUT_FILENO, &(data.GetData()[written]), toWrite - written);
<a name="l00093"></a>00093 <span class="keywordflow">if</span>( m_verbose ) {
<a name="l00094"></a>00094 cerr.setf(ios::dec, ios::basefield);
<a name="l00095"></a>00095 cerr << <span class="stringliteral">"Written "</span> << writtenThisTime << <span class="stringliteral">" bytes over stdout"</span> << endl;
<a name="l00096"></a>00096 }
<a name="l00097"></a>00097 fflush(stdout);
<a name="l00098"></a>00098 <span class="keywordflow">if</span>( writtenThisTime < 0 ) {
<a name="l00099"></a>00099 ChannelClose();
<a name="l00100"></a>00100 }
<a name="l00101"></a>00101 <span class="keywordflow">else</span> {
<a name="l00102"></a>00102 written += writtenThisTime;
<a name="l00103"></a>00103 }
<a name="l00104"></a>00104 }
<a name="l00105"></a>00105 }
<a name="l00106"></a>00106
<a name="l00107"></a>00107 <span class="keywordtype">void</span> CallbackHandler::ChannelError(<span class="keywordtype">string</span> msg)
<a name="l00108"></a>00108 {
<a name="l00109"></a>00109 cerr << <span class="stringliteral">"CallbackHandler: Received error: "</span> << msg << endl;
<a name="l00110"></a>00110 ChannelClose();
<a name="l00111"></a>00111 }
<a name="l00112"></a>00112
<a name="l00113"></a>00113 <span class="keywordtype">void</span> CallbackHandler::ChannelClose()
<a name="l00114"></a>00114 {
<a name="l00115"></a>00115 *m_continuePtr = <span class="keyword">false</span>;
<a name="l00116"></a>00116 }
<a name="l00117"></a>00117
<a name="l00118"></a>00118 <span class="keywordtype">void</span> Usage()
<a name="l00119"></a>00119 {
<a name="l00120"></a>00120 <span class="keywordtype">int</span> major, minor;
<a name="l00121"></a>00121 <span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="namespaceBarry.html#06ec709ed2313dd84291b2d295a87d26" title="Fills major and minor with integer version numbers, and returns a string containing...">Version</a> = <a class="code" href="namespaceBarry.html#06ec709ed2313dd84291b2d295a87d26" title="Fills major and minor with integer version numbers, and returns a string containing...">Barry::Version</a>(major, minor);
<a name="l00122"></a>00122
<a name="l00123"></a>00123 cerr
<a name="l00124"></a>00124 << <span class="stringliteral">"brawchannel - Command line USB Blackberry raw channel interface\n"</span>
<a name="l00125"></a>00125 << <span class="stringliteral">" Copyright 2010, RealVNC Ltd.\n"</span>
<a name="l00126"></a>00126 << <span class="stringliteral">" Using: "</span> << Version << <span class="stringliteral">"\n"</span>
<a name="l00127"></a>00127 << <span class="stringliteral">"\n"</span>
<a name="l00128"></a>00128 << <span class="stringliteral">"Usage:\n"</span>
<a name="l00129"></a>00129 << <span class="stringliteral">"brawchannel [options] <channel name>\n"</span>
<a name="l00130"></a>00130 << <span class="stringliteral">"\n"</span>
<a name="l00131"></a>00131 << <span class="stringliteral">" -h This help\n"</span>
<a name="l00132"></a>00132 << <span class="stringliteral">" -p pin PIN of device to talk with\n"</span>
<a name="l00133"></a>00133 << <span class="stringliteral">" If only one device is plugged in, this flag is optional\n"</span>
<a name="l00134"></a>00134 << <span class="stringliteral">" -P pass Simplistic method to specify device password\n"</span>
<a name="l00135"></a>00135 << <span class="stringliteral">" -v Dump protocol data during operation\n"</span>
<a name="l00136"></a>00136 << <span class="stringliteral">" This will cause libusb output to appear on STDOUT unless\n"</span>
<a name="l00137"></a>00137 << <span class="stringliteral">" the environment variable USB_DEBUG is set to 0,1 or 2.\n"</span>
<a name="l00138"></a>00138 << endl;
<a name="l00139"></a>00139 }
<a name="l00140"></a>00140
<a name="l00141"></a>00141 <span class="comment">// Helper class to restore signal handlers when shutdown is occuring</span>
<a name="l00142"></a>00142 <span class="comment">// This class isn't responsible for setting up the signal handlers</span>
<a name="l00143"></a>00143 <span class="comment">// as they need to be restored before the Barry::Socket starts closing.</span>
<a name="l00144"></a>00144 <span class="keyword">class </span>SignalRestorer
<a name="l00145"></a>00145 {
<a name="l00146"></a>00146 <span class="keyword">private</span>:
<a name="l00147"></a>00147 <span class="keywordtype">int</span> m_signum;
<a name="l00148"></a>00148 sighandler_t m_handler;
<a name="l00149"></a>00149 <span class="keyword">public</span>:
<a name="l00150"></a>00150 SignalRestorer(<span class="keywordtype">int</span> signum, sighandler_t handler)
<a name="l00151"></a>00151 : m_signum(signum), m_handler(handler) {}
<a name="l00152"></a>00152 ~SignalRestorer() { signal(m_signum, m_handler); }
<a name="l00153"></a>00153 };
<a name="l00154"></a>00154
<a name="l00155"></a>00155 <span class="keywordtype">int</span> main(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> *argv[])
<a name="l00156"></a>00156 {
<a name="l00157"></a>00157 INIT_I18N(PACKAGE);
<a name="l00158"></a>00158
<a name="l00159"></a>00159 <span class="comment">// Setup signal handling</span>
<a name="l00160"></a>00160 sighandler_t oldSigHup = signal(SIGHUP, &signalHandler);
<a name="l00161"></a>00161 sighandler_t oldSigTerm = signal(SIGTERM, &signalHandler);
<a name="l00162"></a>00162 sighandler_t oldSigInt = signal(SIGINT, &signalHandler);
<a name="l00163"></a>00163 sighandler_t oldSigQuit = signal(SIGQUIT, &signalHandler);
<a name="l00164"></a>00164
<a name="l00165"></a>00165 cerr.sync_with_stdio(<span class="keyword">true</span>); <span class="comment">// since libusb uses</span>
<a name="l00166"></a>00166 <span class="comment">// stdio for debug messages</span>
<a name="l00167"></a>00167
<a name="l00168"></a>00168 <span class="comment">// Buffer to hold data read in from STDIN before sending it</span>
<a name="l00169"></a>00169 <span class="comment">// to the BlackBerry.</span>
<a name="l00170"></a>00170 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *buf = NULL;
<a name="l00171"></a>00171 <span class="keywordflow">try</span> {
<a name="l00172"></a>00172 uint32_t pin = 0;
<a name="l00173"></a>00173 <span class="keywordtype">bool</span> data_dump = <span class="keyword">false</span>;
<a name="l00174"></a>00174 <span class="keywordtype">string</span> password;
<a name="l00175"></a>00175
<a name="l00176"></a>00176 <span class="comment">// process command line options</span>
<a name="l00177"></a>00177 <span class="keywordflow">for</span>( ;; ) {
<a name="l00178"></a>00178 <span class="keywordtype">int</span> cmd = getopt(argc, argv, <span class="stringliteral">"hp:P:v"</span>);
<a name="l00179"></a>00179 <span class="keywordflow">if</span>( cmd == -1 ) {
<a name="l00180"></a>00180 <span class="keywordflow">break</span>;
<a name="l00181"></a>00181 }
<a name="l00182"></a>00182
<a name="l00183"></a>00183 <span class="keywordflow">switch</span>( cmd )
<a name="l00184"></a>00184 {
<a name="l00185"></a>00185 <span class="keywordflow">case</span> <span class="charliteral">'p'</span>: <span class="comment">// Blackberry PIN</span>
<a name="l00186"></a>00186 pin = strtoul(optarg, NULL, 16);
<a name="l00187"></a>00187 <span class="keywordflow">break</span>;
<a name="l00188"></a>00188
<a name="l00189"></a>00189 <span class="keywordflow">case</span> <span class="charliteral">'P'</span>: <span class="comment">// Device password</span>
<a name="l00190"></a>00190 password = optarg;
<a name="l00191"></a>00191 <span class="keywordflow">break</span>;
<a name="l00192"></a>00192
<a name="l00193"></a>00193 <span class="keywordflow">case</span> <span class="charliteral">'v'</span>: <span class="comment">// data dump on</span>
<a name="l00194"></a>00194 data_dump = <span class="keyword">true</span>;
<a name="l00195"></a>00195 <span class="keywordflow">break</span>;
<a name="l00196"></a>00196
<a name="l00197"></a>00197 <span class="keywordflow">case</span> <span class="charliteral">'h'</span>: <span class="comment">// help</span>
<a name="l00198"></a>00198 <span class="keywordflow">default</span>:
<a name="l00199"></a>00199 Usage();
<a name="l00200"></a>00200 <span class="keywordflow">return</span> 0;
<a name="l00201"></a>00201 }
<a name="l00202"></a>00202 }
<a name="l00203"></a>00203
<a name="l00204"></a>00204 argc -= optind;
<a name="l00205"></a>00205 argv += optind;
<a name="l00206"></a>00206
<a name="l00207"></a>00207 <span class="keywordflow">if</span>( argc < 1 ) {
<a name="l00208"></a>00208 cerr << <span class="stringliteral">"Error: Missing raw channel name."</span> << endl;
<a name="l00209"></a>00209 Usage();
<a name="l00210"></a>00210 <span class="keywordflow">return</span> 1;
<a name="l00211"></a>00211 }
<a name="l00212"></a>00212
<a name="l00213"></a>00213 <span class="keywordflow">if</span>( argc > 1 ) {
<a name="l00214"></a>00214 cerr << <span class="stringliteral">"Error: Too many arguments."</span> << endl;
<a name="l00215"></a>00215 Usage();
<a name="l00216"></a>00216 <span class="keywordflow">return</span> 1;
<a name="l00217"></a>00217 }
<a name="l00218"></a>00218
<a name="l00219"></a>00219 <span class="comment">// Fetch command from remaining arguments</span>
<a name="l00220"></a>00220 <span class="keywordtype">string</span> channelName = argv[0];
<a name="l00221"></a>00221 argc --;
<a name="l00222"></a>00222 argv ++;
<a name="l00223"></a>00223
<a name="l00224"></a>00224
<a name="l00225"></a>00225 <span class="keywordflow">if</span>( data_dump ) {
<a name="l00226"></a>00226 <span class="comment">// Warn if USB_DEBUG isn't set to 0, 1 or 2</span>
<a name="l00227"></a>00227 <span class="comment">// as that usually means libusb will write to STDOUT</span>
<a name="l00228"></a>00228 <span class="keywordtype">char</span> *val = getenv(<span class="stringliteral">"USB_DEBUG"</span>);
<a name="l00229"></a>00229 <span class="keywordtype">int</span> parsedValue = -1;
<a name="l00230"></a>00230 <span class="keywordflow">if</span>( val ) {
<a name="l00231"></a>00231 parsedValue = atoi(val);
<a name="l00232"></a>00232 }
<a name="l00233"></a>00233 <span class="keywordflow">if</span>( parsedValue != 0 && parsedValue != 1 && parsedValue != 2 ) {
<a name="l00234"></a>00234 cerr << <span class="stringliteral">"Warning: Protocol dump enabled without setting USB_DEBUG to 0, 1 or 2.\n"</span>
<a name="l00235"></a>00235 << <span class="stringliteral">" libusb might log to STDOUT and ruin data stream."</span> << endl;
<a name="l00236"></a>00236 }
<a name="l00237"></a>00237 }
<a name="l00238"></a>00238
<a name="l00239"></a>00239 <span class="comment">// Initialize the barry library. Must be called before</span>
<a name="l00240"></a>00240 <span class="comment">// anything else.</span>
<a name="l00241"></a>00241 <a class="code" href="namespaceBarry.html#2e28bd59aebe0bece5a46f02ef7dbd3d" title="Barry library initializer.">Barry::Init</a>(data_dump, &cerr);
<a name="l00242"></a>00242
<a name="l00243"></a>00243 <span class="comment">// Probe the USB bus for Blackberry devices.</span>
<a name="l00244"></a>00244 <span class="comment">// If user has specified a PIN, search for it in the</span>
<a name="l00245"></a>00245 <span class="comment">// available device list here as well</span>
<a name="l00246"></a>00246 Barry::Probe probe;
<a name="l00247"></a>00247 <span class="keywordtype">int</span> activeDevice = probe.FindActive(pin);
<a name="l00248"></a>00248 <span class="keywordflow">if</span>( activeDevice == -1 ) {
<a name="l00249"></a>00249 cerr << <span class="stringliteral">"No device selected, or PIN not found"</span> << endl;
<a name="l00250"></a>00250 <span class="keywordflow">return</span> 1;
<a name="l00251"></a>00251 }
<a name="l00252"></a>00252
<a name="l00253"></a>00253 <span class="comment">// Now get setup to open the channel.</span>
<a name="l00254"></a>00254 <span class="keywordflow">if</span>( data_dump ) {
<a name="l00255"></a>00255 cerr << <span class="stringliteral">"Connected to device, starting read/write\n"</span>;
<a name="l00256"></a>00256 }
<a name="l00257"></a>00257
<a name="l00258"></a>00258 <span class="keyword">volatile</span> <span class="keywordtype">bool</span> running = <span class="keyword">true</span>;
<a name="l00259"></a>00259
<a name="l00260"></a>00260 <span class="comment">// Create the thing which will write onto stdout</span>
<a name="l00261"></a>00261 <span class="comment">// and perform other callback duties.</span>
<a name="l00262"></a>00262 CallbackHandler callbackHandler(running, data_dump);
<a name="l00263"></a>00263
<a name="l00264"></a>00264 <span class="comment">// Start a thread to handle any data arriving from</span>
<a name="l00265"></a>00265 <span class="comment">// the BlackBerry.</span>
<a name="l00266"></a>00266 auto_ptr<SocketRoutingQueue> router;
<a name="l00267"></a>00267 router.reset(<span class="keyword">new</span> SocketRoutingQueue());
<a name="l00268"></a>00268 router->SpinoffSimpleReadThread();
<a name="l00269"></a>00269
<a name="l00270"></a>00270 <span class="comment">// Create our controller object</span>
<a name="l00271"></a>00271 <a class="code" href="classBarry_1_1Controller.html" title="The main interface class.">Barry::Controller</a> con(probe.Get(activeDevice), *router);
<a name="l00272"></a>00272
<a name="l00273"></a>00273 <a class="code" href="classBarry_1_1Mode_1_1RawChannel.html" title="The main class for creating a raw channel session.">Barry::Mode::RawChannel</a> rawChannel(con, callbackHandler);
<a name="l00274"></a>00274
<a name="l00275"></a>00275 <span class="comment">// Try to open the requested channel now everything is setup</span>
<a name="l00276"></a>00276 rawChannel.Open(password.c_str(), channelName.c_str());
<a name="l00277"></a>00277
<a name="l00278"></a>00278 <span class="comment">// We now have a thread running to read from the</span>
<a name="l00279"></a>00279 <span class="comment">// BB and write over stdout; in this thread we'll</span>
<a name="l00280"></a>00280 <span class="comment">// read from stdin and write to the BB.</span>
<a name="l00281"></a>00281 <span class="keyword">const</span> <span class="keywordtype">size_t</span> bufSize = rawChannel.MaximumSendSize();
<a name="l00282"></a>00282 buf = <span class="keyword">new</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>[bufSize];
<a name="l00283"></a>00283 fd_set rfds;
<a name="l00284"></a>00284 <span class="keyword">struct </span>timeval tv;
<a name="l00285"></a>00285 FD_ZERO(&rfds);
<a name="l00286"></a>00286
<a name="l00287"></a>00287 <span class="comment">// Set up the signal restorers to restore signal</span>
<a name="l00288"></a>00288 <span class="comment">// handling (in their destructors) before the socket</span>
<a name="l00289"></a>00289 <span class="comment">// starts to be closed. This allows, for example,</span>
<a name="l00290"></a>00290 <span class="comment">// double control-c presses to stop graceful close</span>
<a name="l00291"></a>00291 <span class="comment">// down.</span>
<a name="l00292"></a>00292 SignalRestorer srh(SIGHUP, oldSigHup);
<a name="l00293"></a>00293 SignalRestorer srt(SIGTERM, oldSigTerm);
<a name="l00294"></a>00294 SignalRestorer sri(SIGINT, oldSigInt);
<a name="l00295"></a>00295 SignalRestorer srq(SIGQUIT, oldSigQuit);
<a name="l00296"></a>00296
<a name="l00297"></a>00297 <span class="keywordflow">while</span>( running && !signalReceived ) {
<a name="l00298"></a>00298 FD_SET(STDIN_FILENO, &rfds);
<a name="l00299"></a>00299 tv.tv_sec = READ_TIMEOUT_SECONDS;
<a name="l00300"></a>00300 tv.tv_usec = 0;
<a name="l00301"></a>00301
<a name="l00302"></a>00302 <span class="keywordtype">int</span> ret = select(STDIN_FILENO + 1, &rfds, NULL, NULL, &tv);
<a name="l00303"></a>00303 <span class="keywordflow">if</span>( ret < 0 ) {
<a name="l00304"></a>00304 cerr << <span class="stringliteral">"Select failed with errno: "</span> << errno << endl;
<a name="l00305"></a>00305 running = <span class="keyword">false</span>;
<a name="l00306"></a>00306 }
<a name="l00307"></a>00307 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( ret && FD_ISSET(STDIN_FILENO, &rfds) ) {
<a name="l00308"></a>00308 ssize_t haveRead = read(STDIN_FILENO, buf, bufSize);
<a name="l00309"></a>00309 <span class="keywordflow">if</span>( haveRead > 0 ) {
<a name="l00310"></a>00310 Data toWrite(buf, haveRead);
<a name="l00311"></a>00311 <span class="keywordflow">if</span>( data_dump ) {
<a name="l00312"></a>00312 cerr.setf(ios::dec, ios::basefield);
<a name="l00313"></a>00313 cerr << <span class="stringliteral">"Sending "</span> << haveRead << <span class="stringliteral">" bytes stdin->USB\n"</span>;
<a name="l00314"></a>00314 cerr << <span class="stringliteral">"To BB: "</span>;
<a name="l00315"></a>00315 toWrite.DumpHex(cerr);
<a name="l00316"></a>00316 cerr << <span class="stringliteral">"\n"</span>;
<a name="l00317"></a>00317 }
<a name="l00318"></a>00318 rawChannel.Send(toWrite);
<a name="l00319"></a>00319 <span class="keywordflow">if</span>( data_dump ) {
<a name="l00320"></a>00320 cerr.setf(ios::dec, ios::basefield);
<a name="l00321"></a>00321 cerr << <span class="stringliteral">"Sent "</span> << haveRead << <span class="stringliteral">" bytes stdin->USB\n"</span>;
<a name="l00322"></a>00322 }
<a name="l00323"></a>00323 }
<a name="l00324"></a>00324 <span class="keywordflow">else</span> <span class="keywordflow">if</span>( haveRead < 0 ) {
<a name="l00325"></a>00325 running = <span class="keyword">false</span>;
<a name="l00326"></a>00326 }
<a name="l00327"></a>00327 }
<a name="l00328"></a>00328 }
<a name="l00329"></a>00329 }
<a name="l00330"></a>00330 <span class="keywordflow">catch</span>( <a class="code" href="classUsb_1_1Error.html" title="Thrown on low level USB errors.">Usb::Error</a> &ue ) {
<a name="l00331"></a>00331 cerr << <span class="stringliteral">"Usb::Error caught: "</span> << ue.what() << endl;
<a name="l00332"></a>00332 <span class="keywordflow">return</span> 1;
<a name="l00333"></a>00333 }
<a name="l00334"></a>00334 <span class="keywordflow">catch</span>( <a class="code" href="classBarry_1_1Error.html" title="The base class for any future derived exceptions.">Barry::Error</a> &se ) {
<a name="l00335"></a>00335 cerr << <span class="stringliteral">"Barry::Error caught: "</span> << se.what() << endl;
<a name="l00336"></a>00336 <span class="keywordflow">return</span> 1;
<a name="l00337"></a>00337 }
<a name="l00338"></a>00338 <span class="keywordflow">catch</span>( exception &e ) {
<a name="l00339"></a>00339 cerr << <span class="stringliteral">"exception caught: "</span> << e.what() << endl;
<a name="l00340"></a>00340 <span class="keywordflow">return</span> 1;
<a name="l00341"></a>00341 }
<a name="l00342"></a>00342
<a name="l00343"></a>00343 <span class="keyword">delete</span>[] buf;
<a name="l00344"></a>00344
<a name="l00345"></a>00345 <span class="keywordflow">return</span> 0;
<a name="l00346"></a>00346 }
<a name="l00347"></a>00347
</pre></div></div>
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