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添加递归溢出检测代码: #1363

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This commit is contained in:
ziyue 2022-01-17 14:47:55 +08:00
parent 0c4410c523
commit 8937d9ea92
2 changed files with 37 additions and 1 deletions
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37
src/Common/MediaSource.cpp
View File

@ -609,7 +609,28 @@ string MediaSourceEvent::getOriginUrl(MediaSource &sender) const {
return getOriginUrl_l(&sender);
}
class InvokeDepthHelper {
public:
InvokeDepthHelper(const int &depth, int max_depth, const LogContextCapture &log)
: _depth(const_cast<int &>(depth)) {
if (++_depth > max_depth) {
throw std::runtime_error("invalid call depth: " + to_string(_depth));
} else {
const_cast<LogContextCapture &>(log).clear();
}
}
~InvokeDepthHelper() { --_depth; }
private:
int &_depth;
};
#define CHECK_CALL_DEPTH() \
InvokeDepthHelper \
heler(_invoke_depth, 5, ErrorL << "invalid call depth[" << _invoke_depth + 1 << "] on object: " << this)
MediaOriginType MediaSourceEventInterceptor::getOriginType(MediaSource &sender) const {
CHECK_CALL_DEPTH();
auto listener = _listener.lock();
if (!listener) {
return MediaOriginType::unknown;
@ -618,6 +639,7 @@ MediaOriginType MediaSourceEventInterceptor::getOriginType(MediaSource &sender)
}
string MediaSourceEventInterceptor::getOriginUrl(MediaSource &sender) const {
CHECK_CALL_DEPTH();
auto listener = _listener.lock();
if (!listener) {
return MediaSourceEvent::getOriginUrl(sender);
@ -630,6 +652,7 @@ string MediaSourceEventInterceptor::getOriginUrl(MediaSource &sender) const {
}
std::shared_ptr<SockInfo> MediaSourceEventInterceptor::getOriginSock(MediaSource &sender) const {
CHECK_CALL_DEPTH();
auto listener = _listener.lock();
if (!listener) {
return nullptr;
@ -638,6 +661,7 @@ std::shared_ptr<SockInfo> MediaSourceEventInterceptor::getOriginSock(MediaSource
}
bool MediaSourceEventInterceptor::seekTo(MediaSource &sender, uint32_t stamp) {
CHECK_CALL_DEPTH();
auto listener = _listener.lock();
if (!listener) {
return false;
@ -646,6 +670,7 @@ bool MediaSourceEventInterceptor::seekTo(MediaSource &sender, uint32_t stamp) {
}
bool MediaSourceEventInterceptor::pause(MediaSource &sender, bool pause) {
CHECK_CALL_DEPTH();
auto listener = _listener.lock();
if (!listener) {
return false;
@ -654,6 +679,7 @@ bool MediaSourceEventInterceptor::pause(MediaSource &sender, bool pause) {
}
bool MediaSourceEventInterceptor::speed(MediaSource &sender, float speed) {
CHECK_CALL_DEPTH();
auto listener = _listener.lock();
if (!listener) {
return false;
@ -662,6 +688,7 @@ bool MediaSourceEventInterceptor::speed(MediaSource &sender, float speed) {
}
bool MediaSourceEventInterceptor::close(MediaSource &sender, bool force) {
CHECK_CALL_DEPTH();
auto listener = _listener.lock();
if (!listener) {
return false;
@ -670,6 +697,7 @@ bool MediaSourceEventInterceptor::close(MediaSource &sender, bool force) {
}
int MediaSourceEventInterceptor::totalReaderCount(MediaSource &sender) {
CHECK_CALL_DEPTH();
auto listener = _listener.lock();
if (!listener) {
return sender.readerCount();
@ -678,6 +706,7 @@ int MediaSourceEventInterceptor::totalReaderCount(MediaSource &sender) {
}
void MediaSourceEventInterceptor::onReaderChanged(MediaSource &sender, int size) {
CHECK_CALL_DEPTH();
auto listener = _listener.lock();
if (!listener) {
MediaSourceEvent::onReaderChanged(sender, size);
@ -687,6 +716,7 @@ void MediaSourceEventInterceptor::onReaderChanged(MediaSource &sender, int size)
}
void MediaSourceEventInterceptor::onRegist(MediaSource &sender, bool regist) {
CHECK_CALL_DEPTH();
auto listener = _listener.lock();
if (listener) {
listener->onRegist(sender, regist);
@ -694,6 +724,7 @@ void MediaSourceEventInterceptor::onRegist(MediaSource &sender, bool regist) {
}
bool MediaSourceEventInterceptor::setupRecord(MediaSource &sender, Recorder::type type, bool start, const string &custom_path, size_t max_second) {
CHECK_CALL_DEPTH();
auto listener = _listener.lock();
if (!listener) {
return false;
@ -702,6 +733,7 @@ bool MediaSourceEventInterceptor::setupRecord(MediaSource &sender, Recorder::typ
}
bool MediaSourceEventInterceptor::isRecording(MediaSource &sender, Recorder::type type) {
CHECK_CALL_DEPTH();
auto listener = _listener.lock();
if (!listener) {
return false;
@ -710,6 +742,7 @@ bool MediaSourceEventInterceptor::isRecording(MediaSource &sender, Recorder::typ
}
vector<Track::Ptr> MediaSourceEventInterceptor::getMediaTracks(MediaSource &sender, bool trackReady) const {
CHECK_CALL_DEPTH();
auto listener = _listener.lock();
if (!listener) {
return vector<Track::Ptr>();
@ -718,6 +751,7 @@ vector<Track::Ptr> MediaSourceEventInterceptor::getMediaTracks(MediaSource &send
}
void MediaSourceEventInterceptor::startSendRtp(MediaSource &sender, const string &dst_url, uint16_t dst_port, const string &ssrc, bool is_udp, uint16_t src_port, const function<void(uint16_t local_port, const SockException &ex)> &cb){
CHECK_CALL_DEPTH();
auto listener = _listener.lock();
if (listener) {
listener->startSendRtp(sender, dst_url, dst_port, ssrc, is_udp, src_port, cb);
@ -726,7 +760,8 @@ void MediaSourceEventInterceptor::startSendRtp(MediaSource &sender, const string
}
}
bool MediaSourceEventInterceptor::stopSendRtp(MediaSource &sender, const string &ssrc){
bool MediaSourceEventInterceptor::stopSendRtp(MediaSource &sender, const string &ssrc) {
CHECK_CALL_DEPTH();
auto listener = _listener.lock();
if (listener) {
return listener->stopSendRtp(sender, ssrc);

1
src/Common/MediaSource.h
View File

@ -124,6 +124,7 @@ public:
bool stopSendRtp(MediaSource &sender, const string &ssrc) override;
private:
int _invoke_depth = 0;
std::weak_ptr<MediaSourceEvent> _listener;
};