mirror of
https://github.com/slsdetectorgroup/slsDetectorPackage.git
synced 2025-06-12 21:07:13 +02:00
modified userReceiver to make it work
This commit is contained in:
Dhanya Maliakal
@ -52,24 +52,23 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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<code>#include <sys/types.h></code><br/>
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<code>#include <sys/wait.h></code><br/>
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<code>#include <string></code><br/>
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<code>#include <unistd.h></code><br/>
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<code>#include <errno.h></code><br/>
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<code>#include <syscall.h></code><br/>
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<p><a href="mainReceiver_8cpp_source.html">Go to the source code of this file.</a></p>
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<table border="0" cellpadding="0" cellspacing="0">
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<tr><td colspan="2"><h2>Defines</h2></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="mainReceiver_8cpp.html#aa55605484e783ee738b6f4e7b251cbee">NUM_RECEIVERS</a> 1</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="mainReceiver_8cpp.html#a2a4a8ad299b56605e3ee1ebb0950ac5c">START_TCP_PORT</a> 1954</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="mainReceiver_8cpp.html#aeac6a4b86729a7e07100fb58600d6481">PRINT_IN_COLOR</a>(c, f,...) printf ("\033[%dm" f RESET, 30 + c+1, ##__VA_ARGS__)</td></tr>
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<tr><td colspan="2"><h2>Functions</h2></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="mainReceiver_8cpp.html#acdb2aab1ff93ceea5eb097337a200008">sigChildExitedHandler</a> (int sig)</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="mainReceiver_8cpp.html#ac72dad9b593583bd4bf508a979c00f70">sigInterruptHandler</a> (int p)</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="mainReceiver_8cpp.html#a0d20b69b0ad703df78459e1033d5c1d4">printHelp</a> ()</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="mainReceiver_8cpp.html#a1ec49915ff49957985ebfe6ccc5cd1b3">StartAcq</a> (char *filepath, char *filename, uint64_t fileindex, uint32_t datasize, void *p)</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="mainReceiver_8cpp.html#a013a16dd72eca4216a42196c4d9c0335">AcquisitionFinished</a> (uint64_t frames, void *p)</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="mainReceiver_8cpp.html#a68d89c0f64de361efc31ae21513b86cb">GetData</a> (uint64_t frameNumber, uint32_t expLength, uint32_t packetNumber, uint64_t bunchId, uint64_t timestamp, uint16_t modId, uint16_t xCoord, uint16_t yCoord, uint16_t zCoord, uint32_t debug, uint16_t roundRNumber, uint8_t detType, uint8_t version, char *datapointer, uint32_t datasize, void *p)</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="mainReceiver_8cpp.html#a0ddf1224851353fc92bfbff6f499fa97">main</a> (int argc, char *argv[])</td></tr>
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<tr><td colspan="2"><h2>Variables</h2></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">pid_t </td><td class="memItemRight" valign="bottom"><a class="el" href="mainReceiver_8cpp.html#adbe4cfbc29a961cebc69041b896c7304">childPid</a> [NUM_RECEIVERS]</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="mainReceiver_8cpp.html#a0d26a166bb416ff34512de6fe9e098bd">keeprunning</a></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="mainReceiver_8cpp.html#a9a5e6d0743c685444bb74ecfbb0e78c4">numrunning</a></td></tr>
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</table>
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<hr/><a name="_details"></a><h2>Detailed Description</h2>
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<p>This file is an example of how to implement the <a class="el" href="classslsReceiverUsers.html" title="Class for implementing the SLS data receiver in the users application. Callbacks...">slsReceiverUsers</a> class You can compile it linking it to the slsReceiver library</p>
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@ -80,21 +79,6 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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<p>Definition in file <a class="el" href="mainReceiver_8cpp_source.html">mainReceiver.cpp</a>.</p>
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<hr/><h2>Define Documentation</h2>
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<a class="anchor" id="aa55605484e783ee738b6f4e7b251cbee"></a><!-- doxytag: member="mainReceiver.cpp::NUM_RECEIVERS" ref="aa55605484e783ee738b6f4e7b251cbee" args="" -->
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname">#define NUM_RECEIVERS 1</td>
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</tr>
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</table>
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</div>
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<div class="memdoc">
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<p>Definition at line <a class="el" href="mainReceiver_8cpp_source.html#l00034">34</a> of file <a class="el" href="mainReceiver_8cpp_source.html">mainReceiver.cpp</a>.</p>
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</div>
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</div>
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<a class="anchor" id="aeac6a4b86729a7e07100fb58600d6481"></a><!-- doxytag: member="mainReceiver.cpp::PRINT_IN_COLOR" ref="aeac6a4b86729a7e07100fb58600d6481" args="(c, f,...)" -->
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<div class="memitem">
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<div class="memproto">
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@ -124,22 +108,6 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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<p>Definition at line <a class="el" href="mainReceiver_8cpp_source.html#l00038">38</a> of file <a class="el" href="mainReceiver_8cpp_source.html">mainReceiver.cpp</a>.</p>
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</div>
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</div>
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<a class="anchor" id="a2a4a8ad299b56605e3ee1ebb0950ac5c"></a><!-- doxytag: member="mainReceiver.cpp::START_TCP_PORT" ref="a2a4a8ad299b56605e3ee1ebb0950ac5c" args="" -->
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname">#define START_TCP_PORT 1954</td>
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</tr>
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</table>
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</div>
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<div class="memdoc">
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<p>Define TCP Port of First Receiver, others are incremented by 1 </p>
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<p>Definition at line <a class="el" href="mainReceiver_8cpp_source.html#l00036">36</a> of file <a class="el" href="mainReceiver_8cpp_source.html">mainReceiver.cpp</a>.</p>
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</div>
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</div>
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<hr/><h2>Function Documentation</h2>
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@ -176,7 +144,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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</dd>
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</dl>
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<p>Definition at line <a class="el" href="mainReceiver_8cpp_source.html#l00093">93</a> of file <a class="el" href="mainReceiver_8cpp_source.html">mainReceiver.cpp</a>.</p>
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<p>Definition at line <a class="el" href="mainReceiver_8cpp_source.html#l00086">86</a> of file <a class="el" href="mainReceiver_8cpp_source.html">mainReceiver.cpp</a>.</p>
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</div>
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</div>
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@ -311,7 +279,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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</dd>
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</dl>
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<p>Definition at line <a class="el" href="mainReceiver_8cpp_source.html#l00117">117</a> of file <a class="el" href="mainReceiver_8cpp_source.html">mainReceiver.cpp</a>.</p>
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<p>Definition at line <a class="el" href="mainReceiver_8cpp_source.html#l00110">110</a> of file <a class="el" href="mainReceiver_8cpp_source.html">mainReceiver.cpp</a>.</p>
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</div>
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</div>
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@ -349,13 +317,16 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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</ul>
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<p><ul>
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<li>set default values: child process pid values to -1, keeprunning to true, numrunning to 0</li>
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<li>set default values</li>
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</ul>
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<ul>
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<li>get number of receivers and start tcp port from command line arguments</li>
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</ul>
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<ul>
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<li>Catch signal SIGINT to close files and call destructors properly</li>
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</ul>
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<ul>
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<li>wait for all the SIGCHILD signals and decrease numrunningeach time a child process exits</li>
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<li>Ignore SIG_PIPE, prevents global signal handler, handle locally, instead of a server crashing due to client crash when writing, it just gives error</li>
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</ul>
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<ul>
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<li>loop over number of receivers</li>
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@ -364,13 +335,13 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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<li>fork process to create child process</li>
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</ul>
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<ul>
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<li>if fork failed, raise SIGINT and kill all receiver objects</li>
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<li>if fork failed, raise SIGINT and properly destroy all child processes</li>
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</ul>
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<ul>
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<li>if child process</li>
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</ul>
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<ul>
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<li>create <a class="el" href="classslsReceiverUsers.html" title="Class for implementing the SLS data receiver in the users application. Callbacks...">slsReceiverUsers</a> object with appropriate arguments (START_TCP_PORT incrementing by 1</li>
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<li>create <a class="el" href="classslsReceiverUsers.html" title="Class for implementing the SLS data receiver in the users application. Callbacks...">slsReceiverUsers</a> object with appropriate arguments</li>
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</ul>
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<ul>
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<li>register callbacks. remember to set file write enable to 0 (using the client) if we should not write files and you will write data using the callbacks</li>
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@ -385,48 +356,41 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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<li>start tcp server thread</li>
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</ul>
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<ul>
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<li>as long as keeprunning is true, usleep for a second</li>
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<li>as long as keeprunning is true (changes with Ctrl+C)</li>
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</ul>
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<ul>
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<li>interrupt caught, delete <a class="el" href="classslsReceiverUsers.html" title="Class for implementing the SLS data receiver in the users application. Callbacks...">slsReceiverUsers</a> object and exit</li>
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</ul>
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<ul>
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<li>parent process, increment number of running processes</li>
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<li>Parent process ignores SIGINT (exits only when all child process exits)</li>
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</ul>
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<ul>
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<li>Print Ready and Instructions how to exit</li>
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</ul>
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<ul>
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<li>Parent process waits for all child processes to exit by sleeping till numrunning is 0 </li>
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<li>Parent process waits for all child processes to exit </li>
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</ul>
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</p>
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<p>Definition at line <a class="el" href="mainReceiver_8cpp_source.html#l00140">140</a> of file <a class="el" href="mainReceiver_8cpp_source.html">mainReceiver.cpp</a>.</p>
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<p>Definition at line <a class="el" href="mainReceiver_8cpp_source.html#l00133">133</a> of file <a class="el" href="mainReceiver_8cpp_source.html">mainReceiver.cpp</a>.</p>
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</div>
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</div>
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<a class="anchor" id="acdb2aab1ff93ceea5eb097337a200008"></a><!-- doxytag: member="mainReceiver.cpp::sigChildExitedHandler" ref="acdb2aab1ff93ceea5eb097337a200008" args="(int sig)" -->
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<a class="anchor" id="a0d20b69b0ad703df78459e1033d5c1d4"></a><!-- doxytag: member="mainReceiver.cpp::printHelp" ref="a0d20b69b0ad703df78459e1033d5c1d4" args="()" -->
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<tr>
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<td class="memname">void sigChildExitedHandler </td>
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<td class="memname">void printHelp </td>
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<td>(</td>
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<td class="paramtype">int </td>
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<td class="paramname"> <em>sig</em></td>
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<td class="paramname"></td>
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<td> ) </td>
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<td></td>
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<div class="memdoc">
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<p>Child Exit Signal Interrupt Handler When a child process exits, this function is called, blocks until all child processes exit & decreases the variable indicating number of running processes </p>
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<dl><dt><b>Parameters:</b></dt><dd>
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<table border="0" cellspacing="2" cellpadding="0">
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<tr><td valign="top"></td><td valign="top"><em>sig</em> </td><td>signal enum </td></tr>
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</table>
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</dd>
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</dl>
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<p>prints usage of this example program </p>
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<p>Definition at line <a class="el" href="mainReceiver_8cpp_source.html#l00055">55</a> of file <a class="el" href="mainReceiver_8cpp_source.html">mainReceiver.cpp</a>.</p>
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@ -449,7 +413,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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<div class="memdoc">
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<p>Control+C Interrupt Handler Sets the variable keeprunning to false, to let all the processes know to exit properly </p>
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<p>Definition at line <a class="el" href="mainReceiver_8cpp_source.html#l00065">65</a> of file <a class="el" href="mainReceiver_8cpp_source.html">mainReceiver.cpp</a>.</p>
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<p>Definition at line <a class="el" href="mainReceiver_8cpp_source.html#l00048">48</a> of file <a class="el" href="mainReceiver_8cpp_source.html">mainReceiver.cpp</a>.</p>
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</div>
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</div>
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@ -508,26 +472,11 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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</dl>
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<dl class="return"><dt><b>Returns:</b></dt><dd>ignored </dd></dl>
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<p>Definition at line <a class="el" href="mainReceiver_8cpp_source.html#l00080">80</a> of file <a class="el" href="mainReceiver_8cpp_source.html">mainReceiver.cpp</a>.</p>
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<p>Definition at line <a class="el" href="mainReceiver_8cpp_source.html#l00073">73</a> of file <a class="el" href="mainReceiver_8cpp_source.html">mainReceiver.cpp</a>.</p>
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</div>
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</div>
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<hr/><h2>Variable Documentation</h2>
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<a class="anchor" id="adbe4cfbc29a961cebc69041b896c7304"></a><!-- doxytag: member="mainReceiver.cpp::childPid" ref="adbe4cfbc29a961cebc69041b896c7304" args="[NUM_RECEIVERS]" -->
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<td class="memname">pid_t <a class="el" href="mainReceiver_8cpp.html#adbe4cfbc29a961cebc69041b896c7304">childPid</a>[NUM_RECEIVERS]</td>
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</tr>
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</div>
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<div class="memdoc">
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<p>Definition at line <a class="el" href="mainReceiver_8cpp_source.html#l00041">41</a> of file <a class="el" href="mainReceiver_8cpp_source.html">mainReceiver.cpp</a>.</p>
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</div>
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</div>
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<a class="anchor" id="a0d26a166bb416ff34512de6fe9e098bd"></a><!-- doxytag: member="mainReceiver.cpp::keeprunning" ref="a0d26a166bb416ff34512de6fe9e098bd" args="" -->
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@ -540,23 +489,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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<p>Variable is true to continue running, set to false upon interrupt </p>
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<p>Definition at line <a class="el" href="mainReceiver_8cpp_source.html#l00043">43</a> of file <a class="el" href="mainReceiver_8cpp_source.html">mainReceiver.cpp</a>.</p>
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<a class="anchor" id="a9a5e6d0743c685444bb74ecfbb0e78c4"></a><!-- doxytag: member="mainReceiver.cpp::numrunning" ref="a9a5e6d0743c685444bb74ecfbb0e78c4" args="" -->
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<td class="memname">int <a class="el" href="mainReceiver_8cpp.html#a9a5e6d0743c685444bb74ecfbb0e78c4">numrunning</a></td>
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<p>Variable indicating number of child processes running </p>
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<p>Definition at line <a class="el" href="mainReceiver_8cpp_source.html#l00045">45</a> of file <a class="el" href="mainReceiver_8cpp_source.html">mainReceiver.cpp</a>.</p>
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<p>Definition at line <a class="el" href="mainReceiver_8cpp_source.html#l00042">42</a> of file <a class="el" href="mainReceiver_8cpp_source.html">mainReceiver.cpp</a>.</p>
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@ -575,7 +508,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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</iframe>
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</div>
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<hr size="1"/><address style="text-align: right;"><small>Generated on 28 Aug 2017 by
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<hr size="1"/><address style="text-align: right;"><small>Generated on 19 Sep 2017 by
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<a href="http://www.doxygen.org/index.html">
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<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.1 </small></address>
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</body>
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