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8f76605f3b
Created a new message class that will copy incoming messages to a buffer area. The buffer area is pre allocated during simulation initialization. On a separate thread the buffer area is written to std::cout.
87 lines
2.7 KiB
C++
87 lines
2.7 KiB
C++
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#include <iostream>
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#include <sstream>
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#include <stdio.h>
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#include <stdarg.h>
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#include <time.h>
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#include <math.h>
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#include <unistd.h>
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#include "trick/MessagePublisher.hh"
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#include "trick/message_proto.h"
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#include "trick/exec_proto.h"
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#define MAX_MSG_HEADER_SIZE 256
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Trick::MessagePublisher * the_message_publisher ;
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Trick::MessagePublisher::MessagePublisher() {
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sim_name = " " ;
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the_message_publisher = this ;
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tics_per_sec = 1000000 ;
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set_print_format() ;
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}
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void Trick::MessagePublisher::set_print_format() {
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num_digits = (int)round(log10((double)tics_per_sec)) ;
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sprintf(print_format, "|L %%3d|%%s|%%s|%%s|T %%d|%%lld.%%0%dlld| ", num_digits) ;
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}
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int Trick::MessagePublisher::init() {
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tics_per_sec = exec_get_time_tic_value() ;
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set_print_format() ;
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return 0 ;
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}
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int Trick::MessagePublisher::publish(int level , std::string message) {
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/** @par Design Details: */
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std::list<Trick::MessageSubscriber *>::iterator p ;
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char date_buf[MAX_MSG_HEADER_SIZE];
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char header_buf[MAX_MSG_HEADER_SIZE];
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char hostname[64];
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time_t date ;
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std::string header ;
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long long tics = exec_get_time_tics() ;
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/** @li Create message header with level, date, host, sim name, process id, sim time. */
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date = time(NULL) ;
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strftime(date_buf, (size_t) 20, "%Y/%m/%d,%H:%M:%S", localtime(&date));
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(void) gethostname(hostname, (size_t) 48);
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sprintf(header_buf , print_format , level, date_buf, hostname,
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sim_name.c_str(), exec_get_process_id(), tics/tics_per_sec ,
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(long long)((double)(tics % tics_per_sec) * (double)(pow(10 , num_digits)/tics_per_sec)) ) ;
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header = header_buf ;
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/** @li Go through all its subscribers and send a message update to the subscriber that is enabled. */
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if ( ! subscribers.empty() ) {
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for ( p = subscribers.begin() ; p != subscribers.end() ; p++ ) {
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if ( (*p)->enabled ) {
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(*p)->update(level , header , message) ;
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}
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}
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} else {
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// If there are no subscribers, that probably means things have not been inited yet... just print message only
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// Building the final string in a temporary stream ensures an automic call to cout, which prevents
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// multithreaded sims from interleaving header and message elements.
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std::ostringstream oss;
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oss << header << message ;
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std::cout << oss.str() << std::flush ; } return(0) ;
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}
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Trick::MessageSubscriber * Trick::MessagePublisher::getSubscriber( std::string sub_name ) {
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std::list<Trick::MessageSubscriber *>::iterator lit ;
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for ( lit = subscribers.begin() ; lit != subscribers.end() ; lit++ ) {
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if ( ! (*lit)->name.compare(sub_name) ) {
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return *lit ;
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}
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}
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return NULL ;
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}
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