gecko-dev/xpcom/remote/server/RPCChannelServerImpl.cpp

120 строки
3.0 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Sun Microsystems,
* Inc. Portions created by Sun are
* Copyright (C) 1999 Sun Microsystems, Inc. All
* Rights Reserved.
*
* Contributor(s):
*/
#include "nsISupports.h"
#include "RPCChannelServerImpl.h"
#include "nsIThread.h"
#include "nsIRunnable.h"
#include "RPCServerService.h"
#include "Queue.h"
#include "IDispatcher.h"
class RPCChannelRunner : public nsIRunnable {
public:
NS_DECL_ISUPPORTS
NS_IMETHOD Run() {
while(1) { //nb
rpcChannel->SendReceive(NULL);
PR_Sleep(100);
}
return NS_OK;
}
RPCChannelRunner(IRPCChannel *_rpcChannel) {
NS_INIT_REFCNT();
rpcChannel = _rpcChannel;
NS_ADDREF(rpcChannel);
}
virtual ~RPCChannelRunner() {
NS_IF_RELEASE(rpcChannel);
}
private:
IRPCChannel * rpcChannel;
};
NS_IMPL_ISUPPORTS(RPCChannelRunner, NS_GET_IID(nsIRunnable));
NS_IMPL_ISUPPORTS(RPCChannelServerImpl, NS_GET_IID(IRPCChannel));
RPCChannelServerImpl::RPCChannelServerImpl(ITransport * _transport) {
NS_INIT_REFCNT();
transport = _transport;
queue = new Queue();
rawData = NULL;
dispatcher = NULL;
service = NULL;
NS_NewThread(&thread,new RPCChannelRunner(this));
}
RPCChannelServerImpl::~RPCChannelServerImpl() {
NS_IF_RELEASE(dispatcher);
NS_IF_RELEASE(thread);
NS_IF_RELEASE(transport);
}
NS_IMETHODIMP RPCChannelServerImpl::SendReceive(IRPCall * call) {
if (call) {
queue->Put(call);
} else {
if (!rawData) {
IRPCall * call = (IRPCall*) queue->Get();
if (call) {
call->GetRawData(&rawData,&size);
NS_RELEASE(call);
}
}
if (rawData) {
if (NS_SUCCEEDED(transport->Write(rawData,size))) {
PR_Free(rawData);
rawData = NULL;
}
}
char *data;
PRUint32 s;
if (NS_SUCCEEDED(transport->Read((void**)&data,&s))) {
IRPCall *call = NULL;
if (!service) {
service = RPCServerService::GetInstance();
}
service->CreateRPCall(&call);
call->Demarshal(data,s); //nb error handling
PR_Free(data);
if (!dispatcher) {
service->GetDispatcher(&dispatcher);
}
dispatcher->Dispatch(call);
}
}
return NS_OK;
}