NS_IMETHODIMP
nsPluginStreamListenerPeer::OnStartRequest(nsIRequest *request,
nsISupports* aContext)
{
nsresult rv = NS_OK;
if (mRequests.IndexOfObject(GetBaseRequest(request)) == -1) {
NS_ASSERTION(mRequests.Count() == 0,
"Only our initial stream should be unknown!");
TrackRequest(request);
}
if (mHaveFiredOnStartRequest) {
return NS_OK;
}
mHaveFiredOnStartRequest = PR_TRUE;
nsCOMPtr<nsIChannel> channel = do_QueryInterface(request);
NS_ENSURE_TRUE(channel, NS_ERROR_FAILURE);
// deal with 404 (Not Found) HTTP response,
// just return, this causes the request to be ignored.
nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(channel));
if (httpChannel) {
PRUint32 responseCode = 0;
rv = httpChannel->GetResponseStatus(&responseCode);
if (NS_FAILED(rv)) {
// NPP_Notify() will be called from OnStopRequest
// in nsNPAPIPluginStreamListener::CleanUpStream
// return error will cancel this request
// ...and we also need to tell the plugin that
mRequestFailed = PR_TRUE;
return NS_ERROR_FAILURE;
}
if (responseCode > 206) { // not normal
PRBool bWantsAllNetworkStreams = PR_FALSE;
mPluginInstance->GetValueFromPlugin(NPPVpluginWantsAllNetworkStreams,
(void*)&bWantsAllNetworkStreams);
if (!bWantsAllNetworkStreams) {
mRequestFailed = PR_TRUE;
return NS_ERROR_FAILURE;
}
}
}
// do a little sanity check to make sure our frame isn't gone
// by getting the tag type and checking for an error, we can determine if
// the frame is gone
if (mOwner) {
nsCOMPtr<nsIPluginTagInfo> pti = do_QueryInterface(mOwner);
NS_ENSURE_TRUE(pti, NS_ERROR_FAILURE);
nsPluginTagType tagType;
if (NS_FAILED(pti->GetTagType(&tagType)))
return NS_ERROR_FAILURE; // something happened to our object frame, so bail!
}
// Get the notification callbacks from the channel and save it as
// week ref we'll use it in nsPluginStreamInfo::RequestRead() when
// we'll create channel for byte range request.
nsCOMPtr<nsIInterfaceRequestor> callbacks;
channel->GetNotificationCallbacks(getter_AddRefs(callbacks));
if (callbacks)
mWeakPtrChannelCallbacks = do_GetWeakReference(callbacks);
nsCOMPtr<nsILoadGroup> loadGroup;
channel->GetLoadGroup(getter_AddRefs(loadGroup));
if (loadGroup)
mWeakPtrChannelLoadGroup = do_GetWeakReference(loadGroup);
PRInt32 length;
rv = channel->GetContentLength(&length);
// it's possible for the server to not send a Content-Length.
// we should still work in this case.
if (NS_FAILED(rv) || length == -1) {
// check out if this is file channel
nsCOMPtr<nsIFileChannel> fileChannel = do_QueryInterface(channel);
if (fileChannel) {
// file does not exist
mRequestFailed = PR_TRUE;
return NS_ERROR_FAILURE;
}
mLength = 0;
}
else {
mLength = length;
}
nsCAutoString aContentType; // XXX but we already got the type above!
rv = channel->GetContentType(aContentType);
if (NS_FAILED(rv))
return rv;
nsCOMPtr<nsIURI> aURL;
rv = channel->GetURI(getter_AddRefs(aURL));
if (NS_FAILED(rv))
return rv;
aURL->GetSpec(mURLSpec);
if (!aContentType.IsEmpty())
mContentType = aContentType;
#ifdef PLUGIN_LOGGING
PR_LOG(nsPluginLogging::gPluginLog, PLUGIN_LOG_NOISY,
("nsPluginStreamListenerPeer::OnStartRequest this=%p request=%p mime=%s, url=%s\n",
this, request, aContentType.get(), mURLSpec.get()));
PR_LogFlush();
#endif
NPWindow* window = nsnull;
// if we don't have an nsNPAPIPluginInstance (mPluginInstance), it means
// we weren't able to load a plugin previously because we
// didn't have the mimetype. Now that we do (aContentType),
// we'll try again with SetUpPluginInstance()
// which is called by InstantiateEmbeddedPlugin()
// NOTE: we don't want to try again if we didn't get the MIME type this time
if (!mPluginInstance && mOwner && !aContentType.IsEmpty()) {
nsCOMPtr<nsIPluginInstance> pluginInstCOMPtr;
mOwner->GetInstance(getter_AddRefs(pluginInstCOMPtr));
mPluginInstance = static_cast<nsNPAPIPluginInstance*>(pluginInstCOMPtr.get());
mOwner->GetWindow(window);
if (!mPluginInstance && window) {
nsRefPtr<nsPluginHost> pluginHost = dont_AddRef(nsPluginHost::GetInst());
// determine if we need to try embedded again. FullPage takes a different code path
PRInt32 mode;
mOwner->GetMode(&mode);
if (mode == NP_EMBED) {
// Make sure to not allow new streams to be opened here; we've
// already got a stream for this data; we just need a properly
// set up plugin instance.
rv = pluginHost->DoInstantiateEmbeddedPlugin(aContentType.get(), aURL,
mOwner, PR_FALSE);
}
else {
rv = pluginHost->SetUpPluginInstance(aContentType.get(), aURL, mOwner);
}
if (NS_OK == rv) {
mOwner->GetInstance(getter_AddRefs(pluginInstCOMPtr));
mPluginInstance = static_cast<nsNPAPIPluginInstance*>(pluginInstCOMPtr.get());
if (mPluginInstance) {
mPluginInstance->Start();
mOwner->CreateWidget();
// If we've got a native window, the let the plugin know about it.
nsCOMPtr<nsIPluginInstanceOwner_MOZILLA_2_0_BRANCH> owner = do_QueryInterface(mOwner);
if (owner)
owner->SetWindow();
}
}
}
}
// Set up the stream listener...
rv = SetUpStreamListener(request, aURL);
if (NS_FAILED(rv)) return rv;
return rv;
}
NS_IMETHODIMP
nsPluginStreamListenerPeer::OnStartRequest(nsIRequest *request,
nsISupports* aContext)
{
nsresult rv = NS_OK;
AUTO_PROFILER_LABEL("nsPluginStreamListenerPeer::OnStartRequest", OTHER);
if (mRequests.IndexOfObject(request) == -1) {
NS_ASSERTION(mRequests.Count() == 0,
"Only our initial stream should be unknown!");
TrackRequest(request);
}
if (mHaveFiredOnStartRequest) {
return NS_OK;
}
mHaveFiredOnStartRequest = true;
nsCOMPtr<nsIChannel> channel = do_QueryInterface(request);
NS_ENSURE_TRUE(channel, NS_ERROR_FAILURE);
// deal with 404 (Not Found) HTTP response,
// just return, this causes the request to be ignored.
nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(channel));
if (httpChannel) {
uint32_t responseCode = 0;
rv = httpChannel->GetResponseStatus(&responseCode);
if (NS_FAILED(rv)) {
// NPP_Notify() will be called from OnStopRequest
// in nsNPAPIPluginStreamListener::CleanUpStream
// return error will cancel this request
// ...and we also need to tell the plugin that
mRequestFailed = true;
return NS_ERROR_FAILURE;
}
if (responseCode > 206) { // not normal
uint32_t wantsAllNetworkStreams = 0;
// We don't always have an instance here already, but if we do, check
// to see if it wants all streams.
if (mPluginInstance) {
rv = mPluginInstance->GetValueFromPlugin(NPPVpluginWantsAllNetworkStreams,
&wantsAllNetworkStreams);
// If the call returned an error code make sure we still use our default value.
if (NS_FAILED(rv)) {
wantsAllNetworkStreams = 0;
}
}
if (!wantsAllNetworkStreams) {
mRequestFailed = true;
return NS_ERROR_FAILURE;
}
}
}
nsAutoCString contentType;
rv = channel->GetContentType(contentType);
if (NS_FAILED(rv))
return rv;
// Check ShouldProcess with content policy
RefPtr<nsPluginInstanceOwner> owner;
if (mPluginInstance) {
owner = mPluginInstance->GetOwner();
}
nsCOMPtr<nsIDOMElement> element;
nsCOMPtr<nsIDocument> doc;
if (owner) {
owner->GetDOMElement(getter_AddRefs(element));
owner->GetDocument(getter_AddRefs(doc));
}
nsCOMPtr<nsIPrincipal> principal = doc ? doc->NodePrincipal() : nullptr;
int16_t shouldLoad = nsIContentPolicy::ACCEPT;
rv = NS_CheckContentProcessPolicy(nsIContentPolicy::TYPE_OBJECT_SUBREQUEST,
mURL,
principal, // loading principal
principal, // triggering principal
element,
contentType,
nullptr,
&shouldLoad);
if (NS_FAILED(rv) || NS_CP_REJECTED(shouldLoad)) {
mRequestFailed = true;
return NS_ERROR_CONTENT_BLOCKED;
}
// Get the notification callbacks from the channel and save it as
// week ref we'll use it in nsPluginStreamInfo::RequestRead() when
// we'll create channel for byte range request.
nsCOMPtr<nsIInterfaceRequestor> callbacks;
channel->GetNotificationCallbacks(getter_AddRefs(callbacks));
if (callbacks)
mWeakPtrChannelCallbacks = do_GetWeakReference(callbacks);
nsCOMPtr<nsILoadGroup> loadGroup;
channel->GetLoadGroup(getter_AddRefs(loadGroup));
if (loadGroup)
mWeakPtrChannelLoadGroup = do_GetWeakReference(loadGroup);
int64_t length;
rv = channel->GetContentLength(&length);
// it's possible for the server to not send a Content-Length.
// we should still work in this case.
if (NS_FAILED(rv) || length < 0 || length > UINT32_MAX) {
// check out if this is file channel
nsCOMPtr<nsIFileChannel> fileChannel = do_QueryInterface(channel);
if (fileChannel) {
// file does not exist
mRequestFailed = true;
return NS_ERROR_FAILURE;
}
mLength = 0;
}
else {
mLength = uint32_t(length);
}
nsCOMPtr<nsIURI> aURL;
rv = channel->GetURI(getter_AddRefs(aURL));
if (NS_FAILED(rv))
return rv;
aURL->GetSpec(mURLSpec);
if (!contentType.IsEmpty())
mContentType = contentType;
#ifdef PLUGIN_LOGGING
MOZ_LOG(nsPluginLogging::gPluginLog, PLUGIN_LOG_NOISY,
("nsPluginStreamListenerPeer::OnStartRequest this=%p request=%p mime=%s, url=%s\n",
this, request, contentType.get(), mURLSpec.get()));
PR_LogFlush();
#endif
// Set up the stream listener...
rv = SetUpStreamListener(request, aURL);
if (NS_FAILED(rv)) {
return rv;
}
return rv;
}
NS_IMETHODIMP
nsPluginStreamListenerPeer::OnStartRequest(nsIRequest *request,
nsISupports* aContext)
{
nsresult rv = NS_OK;
PROFILER_LABEL("nsPluginStreamListenerPeer", "OnStartRequest");
if (mRequests.IndexOfObject(GetBaseRequest(request)) == -1) {
NS_ASSERTION(mRequests.Count() == 0,
"Only our initial stream should be unknown!");
TrackRequest(request);
}
if (mHaveFiredOnStartRequest) {
return NS_OK;
}
mHaveFiredOnStartRequest = true;
nsCOMPtr<nsIChannel> channel = do_QueryInterface(request);
NS_ENSURE_TRUE(channel, NS_ERROR_FAILURE);
// deal with 404 (Not Found) HTTP response,
// just return, this causes the request to be ignored.
nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(channel));
if (httpChannel) {
uint32_t responseCode = 0;
rv = httpChannel->GetResponseStatus(&responseCode);
if (NS_FAILED(rv)) {
// NPP_Notify() will be called from OnStopRequest
// in nsNPAPIPluginStreamListener::CleanUpStream
// return error will cancel this request
// ...and we also need to tell the plugin that
mRequestFailed = true;
return NS_ERROR_FAILURE;
}
if (responseCode > 206) { // not normal
uint32_t wantsAllNetworkStreams = 0;
// We don't always have an instance here already, but if we do, check
// to see if it wants all streams.
if (mPluginInstance) {
rv = mPluginInstance->GetValueFromPlugin(NPPVpluginWantsAllNetworkStreams,
&wantsAllNetworkStreams);
// If the call returned an error code make sure we still use our default value.
if (NS_FAILED(rv)) {
wantsAllNetworkStreams = 0;
}
}
if (!wantsAllNetworkStreams) {
mRequestFailed = true;
return NS_ERROR_FAILURE;
}
}
}
// Get the notification callbacks from the channel and save it as
// week ref we'll use it in nsPluginStreamInfo::RequestRead() when
// we'll create channel for byte range request.
nsCOMPtr<nsIInterfaceRequestor> callbacks;
channel->GetNotificationCallbacks(getter_AddRefs(callbacks));
if (callbacks)
mWeakPtrChannelCallbacks = do_GetWeakReference(callbacks);
nsCOMPtr<nsILoadGroup> loadGroup;
channel->GetLoadGroup(getter_AddRefs(loadGroup));
if (loadGroup)
mWeakPtrChannelLoadGroup = do_GetWeakReference(loadGroup);
int64_t length;
rv = channel->GetContentLength(&length);
// it's possible for the server to not send a Content-Length.
// we should still work in this case.
if (NS_FAILED(rv) || length < 0 || length > UINT32_MAX) {
// check out if this is file channel
nsCOMPtr<nsIFileChannel> fileChannel = do_QueryInterface(channel);
if (fileChannel) {
// file does not exist
mRequestFailed = true;
return NS_ERROR_FAILURE;
}
mLength = 0;
}
else {
mLength = uint32_t(length);
}
nsAutoCString aContentType; // XXX but we already got the type above!
rv = channel->GetContentType(aContentType);
if (NS_FAILED(rv))
return rv;
nsCOMPtr<nsIURI> aURL;
rv = channel->GetURI(getter_AddRefs(aURL));
if (NS_FAILED(rv))
return rv;
aURL->GetSpec(mURLSpec);
if (!aContentType.IsEmpty())
mContentType = aContentType;
#ifdef PLUGIN_LOGGING
PR_LOG(nsPluginLogging::gPluginLog, PLUGIN_LOG_NOISY,
("nsPluginStreamListenerPeer::OnStartRequest this=%p request=%p mime=%s, url=%s\n",
this, request, aContentType.get(), mURLSpec.get()));
PR_LogFlush();
#endif
// Set up the stream listener...
rv = SetUpStreamListener(request, aURL);
if (NS_FAILED(rv)) return rv;
return rv;
}
PR_IMPLEMENT(void) PR_LogPrint(const char *fmt, ...)
{
va_list ap;
char line[LINE_BUF_SIZE];
char *line_long = NULL;
PRUint32 nb_tid = 0, nb;
PRThread *me;
PRExplodedTime now;
if (!_pr_initialized) _PR_ImplicitInitialization();
if (!logFile) {
return;
}
if (outputTimeStamp) {
PR_ExplodeTime(PR_Now(), PR_GMTParameters, &now);
nb_tid = PR_snprintf(line, sizeof(line)-1,
"%04d-%02d-%02d %02d:%02d:%02d.%06d UTC - ",
now.tm_year, now.tm_month + 1, now.tm_mday,
now.tm_hour, now.tm_min, now.tm_sec,
now.tm_usec);
}
me = PR_GetCurrentThread();
nb_tid += PR_snprintf(line+nb_tid, sizeof(line)-nb_tid-1, "%ld[%p]: ",
#if defined(_PR_BTHREADS)
me, me);
#else
me ? me->id : 0L, me);
#endif
va_start(ap, fmt);
nb = nb_tid + PR_vsnprintf(line+nb_tid, sizeof(line)-nb_tid-1, fmt, ap);
va_end(ap);
/*
* Check if we might have run out of buffer space (in case we have a
* long line), and malloc a buffer just this once.
*/
if (nb == sizeof(line)-2) {
va_start(ap, fmt);
line_long = PR_vsmprintf(fmt, ap);
va_end(ap);
/* If this failed, we'll fall back to writing the truncated line. */
}
if (line_long) {
nb = strlen(line_long);
_PR_LOCK_LOG();
if (logBuf != 0) {
_PUT_LOG(logFile, logBuf, logp - logBuf);
logp = logBuf;
}
/*
* Write out the thread id (with an optional timestamp) and the
* malloc'ed buffer.
*/
_PUT_LOG(logFile, line, nb_tid);
_PUT_LOG(logFile, line_long, nb);
/* Ensure there is a trailing newline. */
if (!nb || (line_long[nb-1] != '\n')) {
char eol[2];
eol[0] = '\n';
eol[1] = '\0';
_PUT_LOG(logFile, eol, 1);
}
_PR_UNLOCK_LOG();
PR_smprintf_free(line_long);
} else {
/* Ensure there is a trailing newline. */
if (nb && (line[nb-1] != '\n')) {
line[nb++] = '\n';
line[nb] = '\0';
}
_PR_LOCK_LOG();
if (logBuf == 0) {
_PUT_LOG(logFile, line, nb);
} else {
/* If nb can't fit into logBuf, write out logBuf first. */
if (logp + nb > logEndp) {
_PUT_LOG(logFile, logBuf, logp - logBuf);
logp = logBuf;
}
/* nb is guaranteed to fit into logBuf. */
memcpy(logp, line, nb);
logp += nb;
}
_PR_UNLOCK_LOG();
}
PR_LogFlush();
}
NS_IMETHODIMP
nsDebugImpl::Break(const char *aFile, PRInt32 aLine)
{
#ifndef TEMP_MAC_HACK
// Write out the assertion message to the debug log
InitLog();
PR_LOG(gDebugLog, PR_LOG_ERROR,
("###!!! Break: at file %s, line %d", aFile, aLine));
PR_LogFlush();
fprintf(stderr, "Break: at file %s, line %d\n",aFile, aLine); fflush(stderr);
fflush(stderr);
#if defined(_WIN32)
#ifdef _M_IX86
::DebugBreak();
#endif
#elif defined(XP_UNIX) && !defined(UNIX_CRASH_ON_ASSERT)
fprintf(stderr, "\07");
char *assertBehavior = getenv("XPCOM_DEBUG_BREAK");
if (!assertBehavior) {
// the default; nothing else to do
;
} else if ( strcmp(assertBehavior, "suspend")== 0 ) {
// the suspend case is first because we wanna send the signal before
// other threads have had a chance to get too far from the state that
// caused this assertion (in case they happen to have been involved).
//
fprintf(stderr, "Suspending process; attach with the debugger.\n");
kill(0, SIGSTOP);
} else if ( strcmp(assertBehavior, "warn")==0 ) {
// same as default; nothing else to do (see "suspend" case comment for
// why this compare isn't done as part of the default case)
//
;
}
else if ( strcmp(assertBehavior,"stack")==0 ) {
// walk the stack
//
nsTraceRefcntImpl::WalkTheStack(stderr);
}
else if ( strcmp(assertBehavior,"abort")==0 ) {
// same as UNIX_CRASH_ON_ASSERT
//
Abort(aFile, aLine);
} else if ( strcmp(assertBehavior,"trap")==0 ) {
DebugBreak();
} else {
fprintf(stderr, "unrecognized value of XPCOM_DEBUG_BREAK env var!\n");
}
fflush(stderr); // this shouldn't really be necessary, i don't think,
// but maybe there's some lame stdio that buffers stderr
#elif defined(XP_BEOS)
{
#ifdef UNIX_CRASH_ON_ASSERT
char buf[2000];
sprintf(buf, "Break: at file %s, line %d", aFile, aLine);
DEBUGGER(buf);
#endif
}
#else
Abort(aFile, aLine);
#endif
#endif // TEMP_MAC_HACK
return NS_OK;
}
NS_IMETHODIMP
nsDebugImpl::Assertion(const char *aStr, const char *aExpr, const char *aFile, PRInt32 aLine)
{
InitLog();
char buf[1000];
PR_snprintf(buf, sizeof(buf),
"###!!! ASSERTION: %s: '%s', file %s, line %d",
aStr, aExpr, aFile, aLine);
// Write out the assertion message to the debug log
PR_LOG(gDebugLog, PR_LOG_ERROR, ("%s", buf));
PR_LogFlush();
// And write it out to the stderr
fprintf(stderr, "%s\n", buf);
fflush(stderr);
#if defined(_WIN32)
char* assertBehavior = getenv("XPCOM_DEBUG_BREAK");
if (assertBehavior && strcmp(assertBehavior, "warn") == 0)
return NS_OK;
if(!InDebugger())
{
DWORD code = IDRETRY;
/* Create the debug dialog out of process to avoid the crashes caused by
* Windows events leaking into our event loop from an in process dialog.
* We do this by launching windbgdlg.exe (built in xpcom/windbgdlg).
* See http://bugzilla.mozilla.org/show_bug.cgi?id=54792
*/
PROCESS_INFORMATION pi;
STARTUPINFO si;
char executable[MAX_PATH];
char* pName;
memset(&pi, 0, sizeof(pi));
memset(&si, 0, sizeof(si));
si.cb = sizeof(si);
si.wShowWindow = SW_SHOW;
if(GetModuleFileName(GetModuleHandle(XPCOM_DLL), executable, MAX_PATH) &&
NULL != (pName = strrchr(executable, '\\')) &&
NULL != strcpy(pName+1, "windbgdlg.exe") &&
#ifdef DEBUG_jband
(printf("Launching %s\n", executable), PR_TRUE) &&
#endif
CreateProcess(executable, buf, NULL, NULL, PR_FALSE,
DETACHED_PROCESS | NORMAL_PRIORITY_CLASS,
NULL, NULL, &si, &pi) &&
WAIT_OBJECT_0 == WaitForSingleObject(pi.hProcess, INFINITE) &&
GetExitCodeProcess(pi.hProcess, &code))
{
CloseHandle(pi.hProcess);
}
switch(code)
{
case IDABORT:
//This should exit us
raise(SIGABRT);
//If we are ignored exit this way..
_exit(3);
break;
case IDIGNORE:
return NS_OK;
// Fall Through
}
}
#endif
#if defined(XP_OS2)
char* assertBehavior = getenv("XPCOM_DEBUG_BREAK");
if (assertBehavior && strcmp(assertBehavior, "warn") == 0)
return NS_OK;
char msg[1200];
PR_snprintf(msg, sizeof(msg),
"%s\n\nClick Cancel to Debug Application.\n"
"Click Enter to continue running the Application.", buf);
ULONG code = MBID_ERROR;
code = WinMessageBox(HWND_DESKTOP, HWND_DESKTOP, msg,
"nsDebug::Assertion", 0,
MB_ERROR | MB_ENTERCANCEL);
/* It is possible that we are executing on a thread that doesn't have a
* message queue. In that case, the message won't appear, and code will
* be 0xFFFF. We'll give the user a chance to debug it by calling
* Break()
* Actually, that's a really bad idea since this happens a lot with threadsafe
* assertions and since it means that you can't actually run the debug build
* outside a debugger without it crashing constantly.
*/
if(( code == MBID_ENTER ) || (code == MBID_ERROR))
{
return NS_OK;
// If Retry, Fall Through
}
#endif
Break(aFile, aLine);
return NS_OK;
}
