ad7d96c999
fix for 93888 a = ovk@sparc.spb.su jonsmirl@mediaone.net r = jaggernaut@netscape.com idk@eng.sun.com git-svn-id: svn://10.0.0.236/trunk@101787 18797224-902f-48f8-a5cc-f745e15eee43
225 lines
7.7 KiB
C++
225 lines
7.7 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Sun Microsystems,
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* Inc. Portions created by Sun are
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* Copyright (C) 1999 Sun Microsystems, Inc. All
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* Rights Reserved.
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*
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* Contributor(s):
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* Igor Kushnirskiy <idk@eng.sun.com>
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*/
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#include "prmem.h"
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#include "nsIInterfaceInfoManager.h"
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#include "nsCOMPtr.h"
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#include "nsIServiceManager.h"
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#include "nsIEventQueueService.h"
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#include "nsIThread.h"
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#include "bcXPCOMProxy.h"
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#include "bcXPCOMMarshalToolkit.h"
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//#include "signal.h"
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//NS_IMPL_ISUPPORTS(bcXPCOMProxy, NS_GET_IID(bcXPCOMProxy));
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#include "bcXPCOMLog.h"
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#include "bcIXPCOMStubsAndProxies.h"
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#include "bcXPCOMStubsAndProxiesCID.h"
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static NS_DEFINE_CID(kEventQueueServiceCID, NS_EVENTQUEUESERVICE_CID);
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bcXPCOMProxy::bcXPCOMProxy(bcOID _oid, const nsIID &_iid, bcIORB *_orb) {
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PRLogModuleInfo *log = bcXPCOMLog::GetLog();
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NS_INIT_REFCNT();
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oid = _oid;
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iid = _iid;
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orb = _orb;
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interfaceInfo = NULL;
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PR_LOG(log, PR_LOG_DEBUG, ("--[c++] bcXPCOMProxy::bcXPCOMProxy this: %p iid: %s\n",this, iid.ToString()));
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INVOKE_ADDREF(&oid,&iid,orb);
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}
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bcXPCOMProxy::~bcXPCOMProxy() {
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NS_IF_RELEASE(interfaceInfo);
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INVOKE_RELEASE(&oid,&iid,orb);
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}
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NS_IMETHODIMP bcXPCOMProxy::GetInterfaceInfo(nsIInterfaceInfo** info) {
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PRLogModuleInfo *log = bcXPCOMLog::GetLog();
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PR_LOG(log, PR_LOG_DEBUG,("--[c++] bcXPCOMProxy::GetInterfaceInfo iid=%s\n",iid.ToString()));
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if(!info) {
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return NS_ERROR_FAILURE;
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}
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if (!interfaceInfo) {
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nsIInterfaceInfoManager* iimgr;
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if((iimgr = XPTI_GetInterfaceInfoManager())) {
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if (NS_FAILED(iimgr->GetInfoForIID(&iid, &interfaceInfo))) {
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PR_LOG(log, PR_LOG_DEBUG, ("--bcXPCOMProxy::GetInterfaceInfo failed\n"));
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return NS_ERROR_FAILURE;
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}
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NS_RELEASE(iimgr);
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} else {
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return NS_ERROR_FAILURE;
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}
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}
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NS_ADDREF(interfaceInfo);
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*info = interfaceInfo;
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return NS_OK;
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}
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struct CallInfo {
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CallInfo(nsIEventQueue *eq, bcIORB *o, bcICall *c ) {
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callersEventQ = eq; call = c; orb = o; completed = PR_FALSE;
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}
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bcICall *call;
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bcIORB *orb;
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nsCOMPtr<nsIEventQueue> callersEventQ;
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PRBool completed;
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};
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static void* EventHandler(PLEvent *self);
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static void PR_CALLBACK DestroyHandler(PLEvent *self);
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NS_IMETHODIMP bcXPCOMProxy::CallMethod(PRUint16 methodIndex,
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const nsXPTMethodInfo* info,
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nsXPTCMiniVariant* params) {
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PRLogModuleInfo *log = bcXPCOMLog::GetLog();
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PR_LOG(log, PR_LOG_DEBUG, ("--bcXPCOMProxy::CallMethod %s [%d]\n",info->GetName(),methodIndex));
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bcICall *call = orb->CreateCall(&iid, &oid, methodIndex);
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bcIMarshaler *marshaler = call->GetMarshaler();
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bcXPCOMMarshalToolkit * mt = new bcXPCOMMarshalToolkit(methodIndex, interfaceInfo, params,orb);
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mt->Marshal(marshaler);
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nsIEventQueue * eventQ;
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nsCOMPtr<bcIXPCOMStubsAndProxies> stubsAndProxiesService;
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stubsAndProxiesService = do_GetService(BC_XPCOMSTUBSANDPROXIES_ContractID);
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stubsAndProxiesService->GetEventQueue(&eventQ);
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if (eventQ == NULL) {
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orb->SendReceive(call);
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} else {
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nsCOMPtr<nsIEventQueue> currentEventQ;
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PRBool eventLoopCreated = PR_FALSE;
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nsCOMPtr<nsIEventQueueService> eventQService = do_GetService(kEventQueueServiceCID);
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nsresult rv = NS_OK;
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rv = eventQService->GetThreadEventQueue(NS_CURRENT_THREAD, getter_AddRefs(currentEventQ));
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if (NS_FAILED(rv)) {
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rv = eventQService->CreateMonitoredThreadEventQueue();
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eventLoopCreated = PR_TRUE;
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if (NS_FAILED(rv))
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return rv;
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rv = eventQService->GetThreadEventQueue(NS_CURRENT_THREAD, getter_AddRefs(currentEventQ));
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}
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if (NS_FAILED(rv)) {
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return rv;
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}
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CallInfo * callInfo = new CallInfo(currentEventQ,orb,call);
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PLEvent *event = PR_NEW(PLEvent);
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PL_InitEvent(event,
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callInfo,
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EventHandler,
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DestroyHandler);
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eventQ->PostEvent(event);
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while (1) {
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PR_LOG(log, PR_LOG_DEBUG, ("--Dispatch we got new event\n"));
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PLEvent *nextEvent;
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rv = currentEventQ->WaitForEvent(&nextEvent);
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if (callInfo->completed) {
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PR_DELETE(nextEvent);
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break; //we are done
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}
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if (NS_FAILED(rv)) {
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break;
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}
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currentEventQ->HandleEvent(nextEvent);
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}
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if (eventLoopCreated) {
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eventQService->DestroyThreadEventQueue();
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eventQ = NULL;
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}
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}
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NS_IF_RELEASE(eventQ);
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bcIUnMarshaler * unmarshaler = call->GetUnMarshaler();
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nsresult result;
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unmarshaler->ReadSimple(&result, bc_T_U32);
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if (NS_SUCCEEDED(result)) {
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mt->UnMarshal(unmarshaler);
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}
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delete call; delete marshaler; delete unmarshaler; delete mt;
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return result;
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}
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nsrefcnt bcXPCOMProxy::AddRef(void) {
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PRLogModuleInfo *log = bcXPCOMLog::GetLog();
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nsrefcnt cnt = (nsrefcnt) PR_AtomicIncrement((PRInt32*)&mRefCnt);
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PR_LOG(log, PR_LOG_DEBUG, ("--[c++] bcXPCOMProxy::AddRef %d\n",(unsigned)cnt));
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return cnt;
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}
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nsrefcnt bcXPCOMProxy::Release(void) {
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PRLogModuleInfo *log = bcXPCOMLog::GetLog();
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nsrefcnt cnt = (nsrefcnt) PR_AtomicDecrement((PRInt32*)&mRefCnt);
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PR_LOG(log, PR_LOG_DEBUG, ("--[c++] bcXPCOMProxy::Release %d\n",(unsigned)cnt));
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if(0 == cnt) {
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delete this;
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}
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return cnt;
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}
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NS_IMETHODIMP bcXPCOMProxy::QueryInterface(REFNSIID aIID, void** aInstancePtr) {
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PRLogModuleInfo *log = bcXPCOMLog::GetLog();
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if (aIID.Equals(NS_GET_IID(bcXPCOMProxy))) { //hack for getting oid
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*aInstancePtr = &oid;
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return NS_OK;
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}
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PRUint16 methodIndex = 0;
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const nsXPTMethodInfo *info;
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nsIInterfaceInfo *inInfo;
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GetInterfaceInfo(&inInfo); //nb add error handling
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/* These do *not* make copies ***explicit bending of XPCOM rules***/
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inInfo->GetMethodInfo(methodIndex,&info);
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NS_RELEASE(inInfo);
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nsXPTCMiniVariant params[2];
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params[0].val.p = (void*)&aIID;
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params[1].val.p = aInstancePtr;
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nsresult r = CallMethod(methodIndex,info,params);
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if (*aInstancePtr == NULL) {
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PR_LOG(log, PR_LOG_DEBUG, ("--bcXPCOMProxy.QueryInterface nointerface %s\n",aIID.ToString()));
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r = NS_NOINTERFACE;
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}
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PR_LOG(log, PR_LOG_DEBUG, ("--bcXPCOMProxy.QueryInterface we got interface %s\n",aIID.ToString()));
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return r;
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}
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static void* EventHandler(PLEvent *self) {
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PRLogModuleInfo *log = bcXPCOMLog::GetLog();
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PR_LOG(log, PR_LOG_DEBUG, ("--about to bcXPCOMProxy EventHandler\n"));
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CallInfo *callInfo = (CallInfo*)PL_GetEventOwner(self);
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callInfo->orb->SendReceive(callInfo->call);
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callInfo->completed = PR_TRUE;
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PR_LOG(log, PR_LOG_DEBUG, ("--about to callInfo->callersEventQ->PostEvent;\n"));
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PLEvent *event = PR_NEW(PLEvent); //nb who is doing free ?
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callInfo->callersEventQ->PostEvent(event);
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return NULL;
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}
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static void PR_CALLBACK DestroyHandler(PLEvent *self) {
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}
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