int dispatch_threadpool(threadpool from_me, dispatch_fn dispatch_to_here, void *arg)
{
int ret = 0;
_threadpool *pool = (_threadpool *) from_me;
sp_thread_attr_t attr;
_thread * thread = NULL;
// add your code here to dispatch a thread
sp_thread_mutex_lock( &pool->tp_mutex );
// printf("==========dispatch_threadpool\n");
while( pool->tp_index <= 0 && pool->tp_total >= pool->tp_max_index ) {
//printf("all thread is busy!~~\n");
sp_thread_cond_wait( &pool->tp_idle, &pool->tp_mutex );
}
if( pool->tp_index <= 0 ) {
_thread * thread = ( _thread * )malloc( sizeof( _thread ) );
memset( &( thread->id ), 0, sizeof( thread->id ) );
sp_thread_mutex_init( &thread->mutex, NULL );
sp_thread_cond_init( &thread->cond, NULL );
thread->fn = dispatch_to_here;
thread->arg = arg;
thread->parent = pool;
sp_thread_attr_init( &attr );
sp_thread_attr_setdetachstate( &attr, SP_THREAD_CREATE_DETACHED );
if( 0 == sp_thread_create( &thread->id, &attr, wrapper_fn, thread ) ) {
pool->tp_total++;
// printf( "create thread#%ld\n", thread->id );
} else {
ret = -1;
//printf( "cannot create thread\n" );
sp_thread_mutex_destroy( &thread->mutex );
sp_thread_cond_destroy( &thread->cond );
free( thread );
}
} else {
pool->tp_index--;
thread = pool->tp_list[ pool->tp_index ];
pool->tp_list[ pool->tp_index ] = NULL;
thread->fn = dispatch_to_here;
thread->arg = arg;
thread->parent = pool;
sp_thread_mutex_lock( &thread->mutex );
sp_thread_cond_signal( &thread->cond ) ;
sp_thread_mutex_unlock ( &thread->mutex );
}
sp_thread_mutex_unlock( &pool->tp_mutex );
return ret;
}
int SP_IocpServer :: run()
{
int ret = -1;
sp_thread_attr_t attr;
sp_thread_attr_init( &attr );
assert( sp_thread_attr_setstacksize( &attr, 1024 * 1024 ) == 0 );
sp_thread_attr_setdetachstate( &attr, SP_THREAD_CREATE_DETACHED );
sp_thread_t thread;
ret = sp_thread_create( &thread, &attr, eventLoop, this );
sp_thread_attr_destroy( &attr );
if( 0 == ret ) {
sp_syslog( LOG_NOTICE, "Thread #%ld has been created to listen on port [%d]", thread, mPort );
} else {
mIsRunning = 0;
sp_syslog( LOG_WARNING, "Unable to create a thread for TCP server on port [%d], %s",
mPort, strerror( errno ) ) ;
}
return ret;
}
int SP_IocpDispatcher :: dispatch()
{
int ret = -1;
sp_thread_attr_t attr;
sp_thread_attr_init( &attr );
assert( sp_thread_attr_setstacksize( &attr, 1024 * 1024 ) == 0 );
sp_thread_attr_setdetachstate( &attr, SP_THREAD_CREATE_DETACHED );
sp_thread_t thread;
ret = sp_thread_create( &thread, &attr, eventLoop, this );
sp_thread_attr_destroy( &attr );
if( 0 == ret ) {
sp_syslog( LOG_NOTICE, "Thread #%ld has been created for dispatcher", thread );
} else {
mIsRunning = 0;
sp_syslog( LOG_WARNING, "Unable to create a thread for dispatcher, %s",
strerror( errno ) ) ;
}
return ret;
}
