25459968639

Committed 06 May 2026 08:42PM UTC coverage: 55.916% (-0.8%) from 56.7%

Build # 25459968639

Build Type

Pull #2011

github

Committed by

web-flow

Commit Message

Merge f11412d5f into 7054e405e

Pull Request Pull Request #2011: Single-file CI and code style adoption

Coverage Stats

14607 of 26123 relevant lines covered (55.92%)

466416.66 hits per line

Source File
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68.33

/trick_source/sim_services/VariableServer/VariableServerSessionThread_loop.cpp


#include <iostream>
#ifdef __linux__
#include <cxxabi.h>
#endif

#include "trick/VariableServer.hh"
#include "trick/message_proto.h"
#include "trick/realtimesync_proto.h"
#include "trick/ExecutiveException.hh"
#include "trick/exec_proto.h"

#include "trick/VariableServerSessionThread.hh"

extern Trick::VariableServer * the_vs ;

void exit_var_thread(void *in_vst) ;

void * Trick::VariableServerSessionThread::thread_body() {

    // Check for short running sims
    test_shutdown(NULL, NULL);

    //  We need to make the thread to VariableServerSessionThread map before we accept the connection.
    //  Otherwise we have a race where this thread is unknown to the variable server and the
    //  client gets confirmation that the connection is ready for communication.
    _vs->add_vst( pthread_self() , this ) ;

    // Accept client connection
    int status = _connection->start();

    std::string new_ip = _connection->getClientHostname() ;
    //check against allowlist
    //skip this check if connection failed, don't want an erroneous error
    if (!_vs->get_bypass_ip_check() && status != CONNECTION_FAIL) {
        bool valid_ip = _vs->check_ip(new_ip);

        if ( !valid_ip ) {
            std::string err_msg = "ILLEGAL IP CONNECTION ATTEMPTED: " + new_ip + "\n";
            message_publish(MSG_ERROR, err_msg.c_str()) ;
            status = CONNECTION_FAIL ;
        }
    }

    if (status != 0) {
        _vs->delete_vst(pthread_self());

        // Tell main thread that we failed to initialize
        pthread_mutex_lock(&_connection_status_mutex);
        _connection_status = CONNECTION_FAIL;
        pthread_cond_signal(&_connection_status_cv);
        pthread_mutex_unlock(&_connection_status_mutex);

        thread_shutdown();
    }

    // if log is set on for variable server (e.g., in input file), turn log on for each client
    if (_vs->get_log()) {
        _session->set_log(true);
    }

    if (_vs->get_session_log()) {
        _session->set_session_log(true);
    }

    if (_vs->get_info_msg()) {
        _session->set_info_message(true);
    }

    // Give the initialized connection to the session
    // Don't touch the connection anymore until we shut them both down
    _session->set_connection(_connection);
    _vs->add_session( pthread_self(), _session );

    // Tell main that we are ready
    pthread_mutex_lock(&_connection_status_mutex);
    _connection_status = CONNECTION_SUCCESS;
    pthread_cond_signal(&_connection_status_cv);
    pthread_mutex_unlock(&_connection_status_mutex);

    try {
        while (1) {
            // Shutdown here if it's time
            test_shutdown(exit_var_thread, (void *) this);

            // Pause here if we are in a restart condition
            test_pause();

            // Look for a message from the client
            // Parse and execute if one is availible
            int read_status = _session->handle_message();
            if ( read_status < 0 ) {
                break ;
            }

            // Check to see if exit is necessary
            if (_session->get_exit_cmd() == true) {
                break;
            }

            // Tell session it's time to copy and write if the mode is correct
            int ret =_session->copy_and_write_async(); 
            if (ret < 0) {
                break;
            }

            // Sleep for the appropriate cycle time
            usleep((unsigned int) (_session->get_update_rate() * 1000000));
        }
    } catch (Trick::ExecutiveException & ex ) {
        message_publish(MSG_ERROR, "\nVARIABLE SERVER COMMANDED exec_terminate\n  ROUTINE: %s\n  DIAGNOSTIC: %s\n" ,
         ex.file.c_str(), ex.message.c_str()) ;

        exec_signal_terminate();

    } catch (const std::exception &ex) {
        message_publish(MSG_ERROR, "\nVARIABLE SERVER caught std::exception\n  DIAGNOSTIC: %s\n" ,
         ex.what()) ;
        
        exec_signal_terminate();

#ifdef __linux__
#ifdef __GNUC__
#if __GNUC__ >= 4 && __GNUC_MINOR__ >= 2
    // for post gcc 4.1.2 or whatever glibc version is used in RHEL6 and above.
    } catch (abi::__forced_unwind&) {
        //pthread_exit and pthread_cancel will cause an abi::__forced_unwind to be thrown. Rethrow it.
        throw;
#endif
#endif
#endif
    } catch (...) {
#ifdef __linux__
#ifdef __GNUC__
#if (__GNUC__ == 4 && __GNUC_MINOR__ == 1) || __GNUC__ == 12
        // for gcc 4.1.2 or whatever glib version in RHEL 5 that does not work with the abi::__forced_unwind
        // Also seems to have a problem with gcc 12
        throw;
#else
        message_publish(MSG_ERROR, "\nVARIABLE SERVER caught unknown exception\n" ) ;
        exec_signal_terminate();
#endif
#endif
#endif
    }

    if (_debug >= 3) {
        message_publish(MSG_DEBUG, "%p tag=<%s> var_server receive loop exiting\n", _connection, _connection->getClientTag().c_str());
    }

    thread_shutdown(exit_var_thread, this);
    // No return from this.
}


1
2	#include <iostream>
3	#ifdef __linux__
4	#include <cxxabi.h>
5	#endif
6
7	#include "trick/VariableServer.hh"
8	#include "trick/message_proto.h"
9	#include "trick/realtimesync_proto.h"
10	#include "trick/ExecutiveException.hh"
11	#include "trick/exec_proto.h"
12
13	#include "trick/VariableServerSessionThread.hh"
14
15	extern Trick::VariableServer * the_vs ;
16
17	void exit_var_thread(void *in_vst) ;
18
19	void * Trick::VariableServerSessionThread::thread_body() {	8✔
20
21	// Check for short running sims
22	test_shutdown(NULL, NULL);	8✔
23
24	// We need to make the thread to VariableServerSessionThread map before we accept the connection.
25	// Otherwise we have a race where this thread is unknown to the variable server and the
26	// client gets confirmation that the connection is ready for communication.
27	_vs->add_vst( pthread_self() , this ) ;	8✔
28
29	// Accept client connection
30	int status = _connection->start();	8✔
31
32	std::string new_ip = _connection->getClientHostname() ;	8✔
33	//check against allowlist
34	//skip this check if connection failed, don't want an erroneous error
35	if (!_vs->get_bypass_ip_check() && status != CONNECTION_FAIL) {	8✔
36	bool valid_ip = _vs->check_ip(new_ip);	×
37
38	if ( !valid_ip ) {	×
39	std::string err_msg = "ILLEGAL IP CONNECTION ATTEMPTED: " + new_ip + "\n";	×
40	message_publish(MSG_ERROR, err_msg.c_str()) ;	×
41	status = CONNECTION_FAIL ;	×
42	}	×
43	}
44
45	if (status != 0) {	8✔
46	_vs->delete_vst(pthread_self());	1✔
47
48	// Tell main thread that we failed to initialize
49	pthread_mutex_lock(&_connection_status_mutex);	1✔
50	_connection_status = CONNECTION_FAIL;	1✔
51	pthread_cond_signal(&_connection_status_cv);	1✔
52	pthread_mutex_unlock(&_connection_status_mutex);	1✔
53
54	thread_shutdown();	1✔
55	}
56
57	// if log is set on for variable server (e.g., in input file), turn log on for each client
58	if (_vs->get_log()) {	7✔
59	_session->set_log(true);	×
60	}
61
62	if (_vs->get_session_log()) {	7✔
63	_session->set_session_log(true);	1✔
64	}
65
66	if (_vs->get_info_msg()) {	7✔
67	_session->set_info_message(true);	×
68	}
69
70	// Give the initialized connection to the session
71	// Don't touch the connection anymore until we shut them both down
72	_session->set_connection(_connection);	7✔
73	_vs->add_session( pthread_self(), _session );	7✔
74
75	// Tell main that we are ready
76	pthread_mutex_lock(&_connection_status_mutex);	7✔
77	_connection_status = CONNECTION_SUCCESS;	7✔
78	pthread_cond_signal(&_connection_status_cv);	7✔
79	pthread_mutex_unlock(&_connection_status_mutex);	7✔
80
81	try {
82	while (1) {
83	// Shutdown here if it's time
84	test_shutdown(exit_var_thread, (void *) this);	16✔
85
86	// Pause here if we are in a restart condition
87	test_pause();	14✔
88
89	// Look for a message from the client
90	// Parse and execute if one is availible
91	int read_status = _session->handle_message();	14✔
92	if ( read_status < 0 ) {	14✔
93	break ;	1✔
94	}
95
96	// Check to see if exit is necessary
97	if (_session->get_exit_cmd() == true) {	13✔
98	break;	4✔
99	}
100
101	// Tell session it's time to copy and write if the mode is correct
102	int ret =_session->copy_and_write_async();	9✔
103	if (ret < 0) {	9✔
104	break;	×
105	}
106
107	// Sleep for the appropriate cycle time
108	usleep((unsigned int) (_session->get_update_rate() * 1000000));	9✔
109	}	9✔
110	} catch (Trick::ExecutiveException & ex ) {	2✔
111	message_publish(MSG_ERROR, "\nVARIABLE SERVER COMMANDED exec_terminate\n ROUTINE: %s\n DIAGNOSTIC: %s\n" ,	×
112	ex.file.c_str(), ex.message.c_str()) ;
113
114	exec_signal_terminate();	×
115
116	} catch (const std::exception &ex) {	×
117	message_publish(MSG_ERROR, "\nVARIABLE SERVER caught std::exception\n DIAGNOSTIC: %s\n" ,	×
118	ex.what()) ;	×
119
120	exec_signal_terminate();	×
121
122	#ifdef __linux__
123	#ifdef __GNUC__
124	#if __GNUC__ >= 4 && __GNUC_MINOR__ >= 2
125	// for post gcc 4.1.2 or whatever glibc version is used in RHEL6 and above.
126	} catch (abi::__forced_unwind&) {	2✔
127	//pthread_exit and pthread_cancel will cause an abi::__forced_unwind to be thrown. Rethrow it.
128	throw;	2✔
129	#endif
130	#endif
131	#endif
132	} catch (...) {	2✔
133	#ifdef __linux__
134	#ifdef __GNUC__
135	#if (__GNUC__ == 4 && __GNUC_MINOR__ == 1) \|\| __GNUC__ == 12
136	// for gcc 4.1.2 or whatever glib version in RHEL 5 that does not work with the abi::__forced_unwind
137	// Also seems to have a problem with gcc 12
138	throw;
139	#else
140	message_publish(MSG_ERROR, "\nVARIABLE SERVER caught unknown exception\n" ) ;	×
141	exec_signal_terminate();	×
142	#endif
143	#endif
144	#endif
145	}	×
146
147	if (_debug >= 3) {	5✔
148	message_publish(MSG_DEBUG, "%p tag=<%s> var_server receive loop exiting\n", _connection, _connection->getClientTag().c_str());	×
149	}
150
151	thread_shutdown(exit_var_thread, this);	5✔
152	// No return from this.
153	}	8✔
154

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