mirror of
https://github.com/ossrs/srs.git
synced 2025-02-13 03:41:55 +00:00
parent
5792c462b8
commit
fc380fe48d
4 changed files with 255 additions and 38 deletions
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@ -105,14 +105,6 @@
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@ -132,6 +124,14 @@
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@ -883,17 +883,17 @@
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@ -1020,24 +1020,23 @@
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3C1232A11AAE81D900CE8F6C /* srs_app_http_conn.cpp in Sources */,
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@ -1056,7 +1055,6 @@
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@ -1068,10 +1066,11 @@
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@ -1087,6 +1086,7 @@
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@ -1095,7 +1095,6 @@
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@ -1110,9 +1109,11 @@
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@ -1128,7 +1129,6 @@
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|
||||
runOnlyForDeploymentPostprocessing = 0;
|
||||
};
|
||||
|
|
|
@ -31,6 +31,116 @@ using namespace std;
|
|||
#include <srs_app_utility.hpp>
|
||||
#include <srs_app_log.hpp>
|
||||
|
||||
ISrsCoroutineHandler::ISrsCoroutineHandler()
|
||||
{
|
||||
}
|
||||
|
||||
ISrsCoroutineHandler::~ISrsCoroutineHandler()
|
||||
{
|
||||
}
|
||||
|
||||
SrsCoroutine::SrsCoroutine(const string& n, ISrsCoroutineHandler* h, int cid)
|
||||
{
|
||||
name = n;
|
||||
handler = h;
|
||||
context = cid;
|
||||
trd = NULL;
|
||||
err = ERROR_SUCCESS;
|
||||
started = interrupted = disposed = false;
|
||||
}
|
||||
|
||||
SrsCoroutine::~SrsCoroutine()
|
||||
{
|
||||
stop();
|
||||
}
|
||||
|
||||
int SrsCoroutine::start()
|
||||
{
|
||||
int ret = ERROR_SUCCESS;
|
||||
|
||||
if (started || disposed) {
|
||||
ret = ERROR_THREAD_DISPOSED;
|
||||
err = (err == ERROR_SUCCESS? ret:err);
|
||||
srs_error("Thread.start: Failed, started=%d, disposed=%d, ret=%d", started, disposed, ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
if((trd = st_thread_create(pfn, this, 1, 0)) == NULL){
|
||||
ret = ERROR_ST_CREATE_CYCLE_THREAD;
|
||||
srs_error("Thread.start: Create thread failed. ret=%d", ret);
|
||||
return ret;
|
||||
}
|
||||
|
||||
started = true;
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
void SrsCoroutine::stop()
|
||||
{
|
||||
if (!started || disposed) {
|
||||
return;
|
||||
}
|
||||
disposed = true;
|
||||
|
||||
interrupt();
|
||||
|
||||
void* res = NULL;
|
||||
int ret = st_thread_join(trd, &res);
|
||||
srs_trace("Thread.stop: Terminated, ret=%d, err=%d", ret, err);
|
||||
srs_assert(!ret);
|
||||
|
||||
// Always override the error by the worker.
|
||||
if (!res) {
|
||||
err = (int)(uint64_t)res;
|
||||
} else {
|
||||
err = ERROR_THREAD_TERMINATED;
|
||||
}
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
void SrsCoroutine::interrupt()
|
||||
{
|
||||
if (!started || interrupted) {
|
||||
return;
|
||||
}
|
||||
interrupted = true;
|
||||
|
||||
srs_trace("Thread.interrupt: Interrupt thread, err=%d", err);
|
||||
err = (err == ERROR_SUCCESS? ERROR_THREAD_INTERRUPED:err);
|
||||
st_thread_interrupt(trd);
|
||||
}
|
||||
|
||||
int SrsCoroutine::pull()
|
||||
{
|
||||
return err;
|
||||
}
|
||||
|
||||
int SrsCoroutine::cid()
|
||||
{
|
||||
return context;
|
||||
}
|
||||
|
||||
int SrsCoroutine::cycle()
|
||||
{
|
||||
if (!context && _srs_context) {
|
||||
context = _srs_context->generate_id();
|
||||
}
|
||||
srs_trace("Thread.cycle: Start with cid=%d, err=%d", context, err);
|
||||
|
||||
int ret = handler->cycle();
|
||||
srs_trace("Thread.cycle: Finished with ret=%d, err=%d", ret, err);
|
||||
return ret;
|
||||
}
|
||||
|
||||
void* SrsCoroutine::pfn(void* arg)
|
||||
{
|
||||
SrsCoroutine* p = (SrsCoroutine*)arg;
|
||||
void*res = (void*)(uint64_t)p->cycle();
|
||||
return res;
|
||||
}
|
||||
|
||||
namespace internal
|
||||
{
|
||||
ISrsThreadHandler::ISrsThreadHandler()
|
||||
|
|
|
@ -31,6 +31,110 @@
|
|||
#include <srs_service_st.hpp>
|
||||
#include <srs_protocol_io.hpp>
|
||||
|
||||
/**
|
||||
* Each ST-coroutine must implements this interface,
|
||||
* to do the cycle job and handle some events.
|
||||
*
|
||||
* Thread do a job then terminated normally, it's a SrsOneCycleThread:
|
||||
* class SrsOneCycleThread : public ISrsCoroutineHandler {
|
||||
* public: SrsCoroutine trd;
|
||||
* public: virtual int cycle() {
|
||||
* // Do something, then return this cycle and thread terminated normally.
|
||||
* }
|
||||
* };
|
||||
*
|
||||
* Thread has its inside loop, such as the RTMP receive thread:
|
||||
* class SrsReceiveThread : public ISrsCoroutineHandler {
|
||||
* public: SrsCoroutine trd;
|
||||
* public: virtual int cycle() {
|
||||
* while (!trd.pull()) { // Check whether thread interrupted.
|
||||
* // Do something, such as st_read() packets, it'll be wakeup
|
||||
* // when user stop or interrupt the thread.
|
||||
* }
|
||||
* }
|
||||
* };
|
||||
*/
|
||||
class ISrsCoroutineHandler
|
||||
{
|
||||
public:
|
||||
ISrsCoroutineHandler();
|
||||
virtual ~ISrsCoroutineHandler();
|
||||
public:
|
||||
/**
|
||||
* Do the work. The ST-coroutine will terminated normally if it returned.
|
||||
* @remark If the cycle has its own loop, it must check the thread pull.
|
||||
*/
|
||||
virtual int cycle() = 0;
|
||||
};
|
||||
|
||||
/**
|
||||
* A ST-coroutine is a lightweight thread, just like the goroutine.
|
||||
* But the goroutine maybe run on different thread, while ST-coroutine only
|
||||
* run in single thread, because it use setjmp and longjmp, so it may cause
|
||||
* problem in multiple threads. For SRS, we only use single thread module,
|
||||
* like NGINX to get very high performance, with asynchronous and non-blocking
|
||||
* sockets.
|
||||
* @reamrk For multiple processes, please use go-oryx to fork many SRS processes.
|
||||
* Please read https://github.com/ossrs/go-oryx
|
||||
* @remark For debugging of ST-coroutine, read _st_iterate_threads_flag of ST/README
|
||||
* https://github.com/ossrs/state-threads/blob/st-1.9/README#L115
|
||||
* @remark We always create joinable thread, so we must join it or memory leak,
|
||||
* Please read https://github.com/ossrs/srs/issues/78
|
||||
*/
|
||||
class SrsCoroutine
|
||||
{
|
||||
private:
|
||||
std::string name;
|
||||
ISrsCoroutineHandler* handler;
|
||||
private:
|
||||
st_thread_t trd;
|
||||
int context;
|
||||
int err;
|
||||
private:
|
||||
bool started;
|
||||
bool interrupted;
|
||||
bool disposed;
|
||||
public:
|
||||
// Create a thread with name n and handler h.
|
||||
// @remark User can specify a cid for thread to use, or we will allocate a new one.
|
||||
SrsCoroutine(const std::string& n, ISrsCoroutineHandler* h, int cid = 0);
|
||||
virtual ~SrsCoroutine();
|
||||
public:
|
||||
/**
|
||||
* Start the thread.
|
||||
* @remark Should never start it when stopped or terminated.
|
||||
*/
|
||||
virtual int start();
|
||||
/**
|
||||
* Interrupt the thread then wait to terminated.
|
||||
* @remark If user want to notify thread to quit async, for example if there are
|
||||
* many threads to stop like the encoder, use the interrupt to notify all threads
|
||||
* to terminate then use stop to wait for each to terminate.
|
||||
*/
|
||||
virtual void stop();
|
||||
/**
|
||||
* Interrupt the thread and notify it to terminate, it will be wakeup if it's blocked
|
||||
* in some IO operations, such as st_read or st_write, then it will found should quit,
|
||||
* finally the thread should terminated normally, user can use the stop to join it.
|
||||
*/
|
||||
virtual void interrupt();
|
||||
/**
|
||||
* Check whether thread is terminated normally or error(stopped or termianted with error),
|
||||
* and the thread should be running if it return ERROR_SUCCESS.
|
||||
* @remark Return specified error when thread terminated normally with error.
|
||||
* @remark Return ERROR_THREAD_TERMINATED when thread terminated normally without error.
|
||||
* @remark Return ERROR_THREAD_INTERRUPED when thread is interrupted.
|
||||
*/
|
||||
virtual int pull();
|
||||
/**
|
||||
* Get the context id of thread.
|
||||
*/
|
||||
virtual int cid();
|
||||
private:
|
||||
virtual int cycle();
|
||||
static void* pfn(void* arg);
|
||||
};
|
||||
|
||||
// the internal classes, user should never use it.
|
||||
// user should use the public classes at the bellow:
|
||||
// @see SrsEndlessThread, SrsOneCycleThread, SrsReusableThread
|
||||
|
|
|
@ -103,6 +103,9 @@
|
|||
#define ERROR_SYSTEM_DNS_RESOLVE 1066
|
||||
#define ERROR_SYSTEM_FRAGMENT_UNLINK 1067
|
||||
#define ERROR_SYSTEM_FRAGMENT_RENAME 1068
|
||||
#define ERROR_THREAD_DISPOSED 1069
|
||||
#define ERROR_THREAD_INTERRUPED 1070
|
||||
#define ERROR_THREAD_TERMINATED 1071
|
||||
|
||||
///////////////////////////////////////////////////////
|
||||
// RTMP protocol error.
|
||||
|
|
Loading…
Reference in a new issue