/* Thread routine to calculate the distance for a given broker */
pal_thread_ret_t PAL_THREAD_CALL tspGetBrokerDistance(void *threadarg)
{
tBrokerTimingThreadArg *arguments = NULL;
tBrokerList *broker = NULL;
tConf *conf = NULL;
tRedirectStatus status = TSP_REDIRECT_OK;
unsigned int distance = 0;
/* The thread needs a broker argument to work with */
if (threadarg == NULL) {
pal_thread_exit((pal_thread_ret_t)(-1));
return (pal_thread_ret_t)(-1);
}
/* Unwrap the arguments */
arguments = (tBrokerTimingThreadArg *)threadarg;
broker = (tBrokerList *)arguments->broker;
conf = (tConf *)arguments->conf;
/* Perform the echo request, calculating the distance */
status = tspDoEchoRequest(broker->address, broker->address_type, conf, &distance);
/* Set the calculated distance in the broker list element */
broker->distance = distance;
/* Make the status available on join */
pal_thread_exit((pal_thread_ret_t)status);
return (pal_thread_ret_t)status;
}
// --------------------------------------------------------------------------
// _ka_start_thread: Private worker thread function used to run the keep-
// alive processing. Calls the IEE_process function until it returns.
//
// Parameters:
// arg: Opaque pointer to the keepalive engine.
//
// Return value:
// The keepalive engine final status.
//
pal_thread_ret_t PAL_THREAD_CALL _ka_start_thread( void *arg )
{
PKA_ENGINE_PARMS p_ka_engine = (PKA_ENGINE_PARMS)arg;
iee_ret_t iee_ret;
// Check input pointer.
if( p_ka_engine != NULL )
{
// Let the ICMP echo engine process the keepalive echo messages.
iee_ret = IEE_process( p_ka_engine->p_echo_engine );
switch( iee_ret )
{
case IEE_SUCCESS:
// Keepalive processing stopped.
// Most probable cause: KA_stop() was invoked.
p_ka_engine->ka_status = KA_STAT_FIN_SUCCESS;
LOG_MESSAGE( LOG_LEVEL_3, ELInfo, STR_KA_STOP_INFO_CAUSE STR_KA_EXPLICIT_STOP );
break;
case IEE_GENERAL_ECHO_TIMEOUT:
// Keepalive timeout detected!
p_ka_engine->ka_status = KA_STAT_FIN_TIMEOUT;
LOG_MESSAGE( LOG_LEVEL_1, ELWarning, STR_KA_STOP_INFO_CAUSE STR_KA_GENERAL_TIMEOUT );
break;
case IEE_INVALID_PARMS:
// Input error.
p_ka_engine->ka_status = KA_STAT_FIN_ERROR;
LOG_MESSAGE( LOG_LEVEL_1, ELError, STR_KA_STOP_INFO_CAUSE STR_GEN_INVALID_POINTER );
break;
case IEE_GENERAL_ECHO_ERROR:
// Keepalive processing error.
p_ka_engine->ka_status = KA_STAT_FIN_ERROR;
LOG_MESSAGE( LOG_LEVEL_1, ELError, STR_KA_STOP_INFO_CAUSE STR_GEN_NETWORK_ERROR );
break;
default:
// Unknown/Unhandled ERROR.
p_ka_engine->ka_status = KA_STAT_FIN_ERROR;
LOG_MESSAGE( LOG_LEVEL_1, ELError, STR_KA_STOP_INFO_CAUSE STR_GEN_UNKNOWN_ERROR );
break;
}
}
else
{
// Invalid pointer input.
LOG_MESSAGE( LOG_LEVEL_1, ELError, STR_KA_STOP_INFO_CAUSE STR_GEN_INVALID_POINTER );
}
// Exit the thread.
pal_thread_exit( 0 );
return 0;
}
