// IOThread: this function creates a new TestListener object (on the new
// thread), opens a channel, and does AsyncRead to it.
void
TestListener::IOThread( void *p ) {
printf( "I/O thread (0x%08X) started...\n", (int)(void*)PR_GetCurrentThread() );
// Argument is pointer to the nsIEventQueue for the main thread.
nsIEventQueue *mainThreadQ = static_cast<nsIEventQueue*>(p);
// Create channel for random web page.
nsCOMPtr<nsIChannel> channel = createChannel( (const char*)p );
if ( channel ) {
// Create event queue.
nsCOMPtr<nsIEventQueue> ioEventQ = createEventQueue();
if ( ioEventQ ) {
// Create test listener.
TestListener *testListener = new TestListener();
testListener->AddRef();
// Read the channel.
printf( "Doing AsyncRead...\n" );
nsresult rv = channel->AsyncRead( testListener, 0 );
if ( NS_SUCCEEDED( rv ) ) {
printf( "...AsyncRead completed OK\n" );
// Process events till testListener says stop.
printf( "Start event loop on io thread %d...\n", testListener->mThreadNo );
while ( !testListener->mDone ) {
PLEvent *event;
ioEventQ->GetEvent( &event );
ioEventQ->HandleEvent( event );
}
printf( "...io thread %d event loop exiting\n", testListener->mThreadNo );
} else {
printf( "%s %d: AsyncRead failed on thread %d, rv=0x%08X\n",
(char*)__FILE__, (int)__LINE__, testListener->mThreadNo, (int)rv );
}
// Release the test listener.
testListener->Release();
}
}
printf( "...I/O thread terminating\n" );
}
int main(int argc, char** argv){
EventQueue_t* queue = createEventQueue(3, 15);
// Register an event to the "READ" (second phase) event stack
addEvent(queue, EVENT_OPEN, myEventHandler);
addEvent(queue, EVENT_READ, myEventHandler);
addEvent(queue, EVENT_CLOSE, myEventHandler);
triggerEvent(queue, EVENT_OPEN, "first");
triggerEvent(queue, EVENT_READ, "second");
triggerEvent(queue, EVENT_CLOSE, "third");
freeEventQueue(queue);
return 0;
}
int
main( int argc, char* argv[] ) {
setbuf( stdout, 0 );
if ( argc < 2 || argc > maxThreads + 1 ) {
printf( "usage: testThreadedIO url1 <url2>...\n"
"where <url#> is a location to be loaded on a separate thread\n"
"limit is %d urls/threads", maxThreads );
return -1;
}
nsresult rv= (nsresult)-1;
printf( "Test starting...\n" );
// Initialize XPCOM.
printf( "Initializing XPCOM...\n" );
rv = NS_InitXPCOM2(nullptr, nullptr, nullptr);
if ( NS_FAILED( rv ) ) {
printf( "%s %d: NS_InitXPCOM failed, rv=0x%08X\n",
(char*)__FILE__, (int)__LINE__, (int)rv );
return rv;
}
printf( "...XPCOM initialized OK\n" );
// Create the Event Queue for this thread...
printf( "Creating event queue for main thread (0x%08X)...\n",
(int)(void*)PR_GetCurrentThread() );
{
nsCOMPtr<nsIEventQueue> mainThreadQ = createEventQueue();
if ( mainThreadQ ) {
printf( "...main thread's event queue created OK\n" );
// Spawn threads to do I/O.
int goodThreads = 0;
PRThread *thread[ maxThreads ];
for ( int threadNo = 1; threadNo < argc; threadNo++ ) {
printf( "Creating I/O thread %d to load %s...\n", threadNo, argv[threadNo] );
PRThread *ioThread = PR_CreateThread( PR_USER_THREAD,
TestListener::IOThread,
argv[threadNo],
PR_PRIORITY_NORMAL,
PR_LOCAL_THREAD,
PR_JOINABLE_THREAD,
0 );
if ( ioThread ) {
thread[ goodThreads++ ] = ioThread;
printf( "...I/O thread %d (0x%08X) created OK\n",
threadNo, (int)(void*)ioThread );
} else {
printf( "%s %d: PR_CreateThread for thread %d failed\n",
(char*)__FILE__, (int)__LINE__, threadNo );
}
}
// Wait for all the threads to terminate.
for ( int joinThread = 0; joinThread < goodThreads; joinThread++ ) {
printf( "Waiting for thread %d to terminate...\n", joinThread+1 );
PR_JoinThread( thread[ joinThread ] );
}
}
} // this scopes the nsCOMPtrs
// no nsCOMPtrs are allowed to be alive when you call NS_ShutdownXPCOM
// Shut down XPCOM.
printf( "Shutting down XPCOM...\n" );
NS_ShutdownXPCOM( 0 );
printf( "...XPCOM shutdown complete\n" );
// Exit.
printf( "...test complete, rv=0x%08X\n", (int)rv );
return rv;
}
