Refactored polling.

The original patch is polished and tweaked by Rolf Ahrenberg.

.gitignore

@@ -4,3 +4,6 @@
 *~
 po/*.pot
 po/*.mo
+.settings
+.cproject
+.project

Makefile

@@ -89,7 +89,8 @@ all-redirect: all
 ### The object files (add further files here):
 
 OBJS = $(PLUGIN).o common.o config.o device.o discover.o param.o poller.o \
-	rtsp.o sectionfilter.o server.o setup.o socket.o statistics.o tuner.o
+	rtp.o rtcp.o rtsp.o sectionfilter.o server.o setup.o socket.o \
+	statistics.o tuner.o
 
 ### The main target:
 

device.c

@@ -407,6 +407,7 @@ bool cSatipDevice::HasInternalCam(void)
 void cSatipDevice::WriteData(uchar *bufferP, int lengthP)
 {
   //debug("cSatipDevice::%s(%u)", __FUNCTION__, deviceIndexM);
+  AddTunerStatistic(lengthP);
   // Fill up TS buffer
   if (tsBufferM) {
      int len = tsBufferM->Put(bufferP, lengthP);

device.h

@@ -15,7 +15,7 @@
 #include "sectionfilter.h"
 #include "statistics.h"
 
-class cSatipDevice : public cDevice, public cSatipPidStatistics, public cSatipBufferStatistics, public cSatipDeviceIf {
+class cSatipDevice : public cDevice, public cSatipPidStatistics, public cSatipBufferStatistics, public cSatipTunerStatistics, public cSatipDeviceIf {
   // static ones
 public:
   static unsigned int deviceCount;

poller.c

@@ -37,7 +37,6 @@ void cSatipPoller::Destroy(void)
 cSatipPoller::cSatipPoller()
 : cThread("SAT>IP poller"),
   mutexM(),
-  tunersM(new cSatipPollerTuners()),
   fdM(epoll_create(eMaxFileDescriptors))
 {
   debug("cSatipPoller::%s()", __FUNCTION__);
@@ -50,7 +49,6 @@ cSatipPoller::~cSatipPoller()
   cMutexLock MutexLock(&mutexM);
   close(fdM);
   // Free allocated memory
-  DELETENULL(tunersM);
 }
 
 void cSatipPoller::Activate(void)
@@ -76,22 +74,11 @@ void cSatipPoller::Action(void)
   // Do the thread loop
   while (Running()) {
         int nfds = epoll_wait(fdM, events, eMaxFileDescriptors, -1);
-        if (nfds == -1) {
+        ERROR_IF_FUNC((nfds == -1), "epoll_wait() failed", break, ;);
-           error("epoll_wait() failed");
-           }
-        else if (nfds > 0) {
         for (int i = 0; i < nfds; ++i) {
-               for (cSatipPollerTuner *tuner = tunersM->First(); tuner; tuner = tunersM->Next(tuner)) {
+            cSatipPollerIf* poll = reinterpret_cast<cSatipPollerIf *>(events[i].data.ptr);
-                   if (events[i].data.fd == tuner->VideoFd()) {
+            if (poll)
-                      tuner->Poller()->ReadVideo();
+               poll->Action(events[i].events);
-                      break;
-                      }
-                   else if (events[i].data.fd == tuner->ApplicationFd()) {
-                      tuner->Poller()->ReadApplication();
-                      break;
-                      }
-                   }
-               }
            }
         }
   debug("cSatipPoller::%s(): exiting", __FUNCTION__);
@@ -99,63 +86,24 @@ void cSatipPoller::Action(void)
 
 bool cSatipPoller::Register(cSatipPollerIf &pollerP)
 {
-  debug("cSatipPoller::%s(%d)", __FUNCTION__, pollerP.GetPollerId());
+  debug("cSatipPoller::%s(%d)", __FUNCTION__, pollerP.GetFd());
   cMutexLock MutexLock(&mutexM);
-  if (tunersM && (fdM >= 0)) {
+
-     bool found = false;
-     for (cSatipPollerTuner *tuner = tunersM->First(); tuner; tuner = tunersM->Next(tuner)) {
-         if (tuner->Poller() == &pollerP) {
-            found = true;
-            break;
-            }
-         }
-     if (!found) {
-        cSatipPollerTuner *tmp = new cSatipPollerTuner(pollerP, pollerP.GetVideoFd(), pollerP.GetApplicationFd());
-        if (tmp) {
-           tunersM->Add(tmp);
-           if (tmp->VideoFd() >= 0) {
   struct epoll_event ev;
   ev.events = EPOLLIN | EPOLLET;
-              ev.data.fd = tmp->VideoFd();
+  ev.data.ptr = &pollerP;
-              if (epoll_ctl(fdM, EPOLL_CTL_ADD, pollerP.GetVideoFd(), &ev) == -1) {
+  ERROR_IF_RET(epoll_ctl(fdM, EPOLL_CTL_ADD, pollerP.GetFd(), &ev) == -1, "epoll_ctl(EPOLL_CTL_ADD) failed", return false);
-                 error("Cannot add video socket into epoll [device %d]", pollerP.GetPollerId());
+  debug("cSatipPoller::%s(%d): Added interface", __FUNCTION__, pollerP.GetFd());
-                 }
+
-              }
-           if (tmp->ApplicationFd() >= 0) {
-              struct epoll_event ev;
-              ev.events = EPOLLIN | EPOLLET;
-              ev.data.fd = tmp->ApplicationFd();
-              if (epoll_ctl(fdM, EPOLL_CTL_ADD, tmp->ApplicationFd(), &ev) == -1) {
-                 error("Cannot add application socket into epoll [device %d]", pollerP.GetPollerId());
-                 }
-              }
-           debug("cSatipPoller::%s(%d): Added interface", __FUNCTION__, pollerP.GetPollerId());
-           }
-        }
   return true;
 }
-  return false;
-}
 
 bool cSatipPoller::Unregister(cSatipPollerIf &pollerP)
 {
-  debug("cSatipPoller::%s(%d)", __FUNCTION__, pollerP.GetPollerId());
+  debug("cSatipPoller::%s(%d)", __FUNCTION__, pollerP.GetFd());
   cMutexLock MutexLock(&mutexM);
-  if (tunersM && (fdM >= 0)) {
+  ERROR_IF_RET((epoll_ctl(fdM, EPOLL_CTL_DEL, pollerP.GetFd(), NULL) == -1), "epoll_ctl(EPOLL_CTL_DEL) failed", return false);
-     for (cSatipPollerTuner *tuner = tunersM->First(); tuner; tuner = tunersM->Next(tuner)) {
+  debug("cSatipPoller::%s(%d): Removed interface", __FUNCTION__, pollerP.GetFd());
-         if (tuner->Poller() == &pollerP) {
+
-            if ((tuner->VideoFd() >= 0) && (epoll_ctl(fdM, EPOLL_CTL_DEL, tuner->VideoFd(), NULL) == -1)) {
-               error("Cannot remove video socket from epoll [device %d]", pollerP.GetPollerId());
-               }
-            if ((tuner->ApplicationFd() >= 0) && (epoll_ctl(fdM, EPOLL_CTL_DEL, tuner->ApplicationFd(), NULL) == -1)) {
-               error("Cannot remove application socket from epoll [device %d]", pollerP.GetPollerId());
-               }
-            tunersM->Del(tuner);
-            debug("cSatipPoller::%s(%d): Removed interface", __FUNCTION__, pollerP.GetPollerId());
   return true;
 }
-         }
-     }
-  return false;
-}
-

poller.h

@@ -13,25 +13,6 @@
 
 #include "pollerif.h"
 
-class cSatipPollerTuner : public cListObject {
-private:
-  cSatipPollerIf* pollerM;
-  int videoFdM;
-  int applicationFdM;
-
-public:
-  cSatipPollerTuner(cSatipPollerIf &pollerP, int videoFdP, int applicationFdP)
-  {
-    pollerM = &pollerP; videoFdM = videoFdP; applicationFdM = applicationFdP;
-  }
-  cSatipPollerIf* Poller(void) { return pollerM; }
-  int VideoFd(void)            { return videoFdM; }
-  int ApplicationFd(void)      { return applicationFdM; }
-};
-
-class cSatipPollerTuners : public cList<cSatipPollerTuner> {
-};
-
 class cSatipPoller : public cThread {
 private:
   enum {
@@ -39,7 +20,6 @@ private:
   };
   static cSatipPoller *instanceS;
   cMutex mutexM;
-  cSatipPollerTuners *tunersM;
   int fdM;
   void Activate(void);
   void Deactivate(void);

pollerif.h

@@ -12,11 +12,8 @@ class cSatipPollerIf {
 public:
   cSatipPollerIf() {}
   virtual ~cSatipPollerIf() {}
-  virtual void ReadVideo(void) = 0;
+  virtual int GetFd(void) = 0;
-  virtual void ReadApplication(void) = 0;
+  virtual void Action(int fd) = 0;
-  virtual int GetPollerId(void) = 0;
-  virtual int GetVideoFd(void) = 0;
-  virtual int GetApplicationFd(void) = 0;
 
 private:
   cSatipPollerIf(const cSatipPollerIf&);

rtcp.c

@@ -0,0 +1,40 @@
+/*
+ * rtcp.c: SAT>IP plugin for the Video Disk Recorder
+ *
+ * See the README file for copyright information and how to reach the author.
+ *
+ */
+
+#include "common.h"
+#include "rtcp.h"
+
+cSatipRtcp::cSatipRtcp(cSatipTunerIf &tunerP, unsigned int bufferLenP)
+: tunerM(&tunerP),
+  bufferLenM(bufferLenP),
+  bufferM(MALLOC(unsigned char, bufferLenM))
+{
+  if (bufferM)
+     memset(bufferM, 0, bufferLenM);
+  else
+     error("Cannot create RTCP buffer!");
+}
+
+cSatipRtcp::~cSatipRtcp()
+{
+  DELETE_POINTER(bufferM);
+}
+
+int cSatipRtcp::GetFd(void)
+{
+  return Fd();
+}
+
+void cSatipRtcp::Action(int fdP)
+{
+  //debug("cSatipRtcp::%s(%d)", __FUNCTION__, fdP);
+  if (bufferM) {
+     int length = ReadApplication(bufferM, bufferLenM);
+     if (length > 0)
+        tunerM->ParseReceptionParameters(bufferM, length);
+     }
+}

rtcp.h

@@ -0,0 +1,32 @@
+/*
+ * rtcp.h: SAT>IP plugin for the Video Disk Recorder
+ *
+ * See the README file for copyright information and how to reach the author.
+ *
+ */
+
+#ifndef __SATIP_RTCP_H_
+#define __SATIP_RTCP_H_
+
+#include "common.h"
+#include "socket.h"
+#include "tunerif.h"
+#include "pollerif.h"
+
+class cSatipRtcp : public cSatipSocket, public cSatipPollerIf
+{
+private:
+  cSatipTunerIf *tunerM;
+  unsigned int bufferLenM;
+  unsigned char *bufferM;
+
+protected:
+  virtual int GetFd(void);
+  virtual void Action(int fdP);
+
+public:
+  cSatipRtcp(cSatipTunerIf &tunerP, unsigned int bufferLenP);
+  virtual ~cSatipRtcp();
+};
+
+#endif /* __SATIP_RTCP_H_ */

rtp.c

@@ -0,0 +1,40 @@
+/*
+ * rtp.c: SAT>IP plugin for the Video Disk Recorder
+ *
+ * See the README file for copyright information and how to reach the author.
+ *
+ */
+
+#include "common.h"
+#include "rtp.h"
+
+cSatipRtp::cSatipRtp(cSatipDeviceIf &deviceP, unsigned int bufferLenP)
+: deviceM(&deviceP),
+  bufferLenM(bufferLenP),
+  bufferM(MALLOC(unsigned char, bufferLenM))
+{
+  if (bufferM)
+     memset(bufferM, 0, bufferLenM);
+  else
+     error("Cannot create RTP buffer!");
+}
+
+cSatipRtp::~cSatipRtp()
+{
+  DELETE_POINTER(bufferM);
+}
+
+int cSatipRtp::GetFd(void)
+{
+  return Fd();
+}
+
+void cSatipRtp::Action(int fdP)
+{
+  //debug("cSatipRtp::%s(%d)", __FUNCTION__, fdP);
+  if (bufferM) {
+     int length = ReadVideo(bufferM, min(deviceM->CheckData(), bufferLenM));
+     if (length > 0)
+        deviceM->WriteData(bufferM, length);
+     }
+}

rtp.h

@@ -0,0 +1,31 @@
+/*
+ * rtp.h: SAT>IP plugin for the Video Disk Recorder
+ *
+ * See the README file for copyright information and how to reach the author.
+ *
+ */
+
+#ifndef __SATIP_RTP_H_
+#define __SATIP_RTP_H_
+
+#include "socket.h"
+#include "deviceif.h"
+#include "pollerif.h"
+#include "statistics.h"
+
+class cSatipRtp : public cSatipSocket, public cSatipPollerIf {
+private:
+  cSatipDeviceIf *deviceM;
+  unsigned int bufferLenM;
+  unsigned char *bufferM;
+
+protected:
+  virtual int GetFd(void);
+  virtual void Action(int fdP);
+
+public:
+  cSatipRtp(cSatipDeviceIf &deviceP, unsigned int bufferLenP);
+  virtual ~cSatipRtp();
+};
+
+#endif /* __SATIP_RTP_H_ */

rtsp.c

@@ -88,11 +88,8 @@ size_t cSatipRtsp::WriteCallback(void *ptrP, size_t sizeP, size_t nmembP, void *
   size_t len = sizeP * nmembP;
   //debug("cSatipRtsp::%s(%zu)", __FUNCTION__, len);
 
-  if (obj && obj->tunerM && (len > 0)) {
+  if (obj && obj->tunerM && (len > 0))
-     char *data = strndup((char*)ptrP, len);
+     obj->tunerM->ParseReceptionParameters((u_char*)ptrP, len);
-     obj->tunerM->ParseReceptionParameters(data);
-     FREE_POINTER(data);
-     }
 
   return len;
 }

tuner.c

@@ -16,10 +16,9 @@ cSatipTuner::cSatipTuner(cSatipDeviceIf &deviceP, unsigned int packetLenP)
   sleepM(),
   deviceM(&deviceP),
   deviceIdM(deviceP.GetId()),
-  packetBufferLenM(packetLenP),
   rtspM(new cSatipRtsp(*this)),
-  rtpSocketM(new cSatipSocket()),
+  rtpM(new cSatipRtp(deviceP, packetLenP)),
-  rtcpSocketM(new cSatipSocket()),
+  rtcpM(new cSatipRtcp(*this, 1500)),
   streamAddrM(""),
   streamParamM(""),
   currentServerM(NULL),
@@ -40,27 +39,22 @@ cSatipTuner::cSatipTuner(cSatipDeviceIf &deviceP, unsigned int packetLenP)
   delPidsM(),
   pidsM()
 {
-  debug("cSatipTuner::%s(%d) [device %d]", __FUNCTION__, packetBufferLenM, deviceIdM);
+  debug("cSatipTuner::%s(%d) [device %d]", __FUNCTION__, packetLenP, deviceIdM);
-  // Allocate packet buffer
-  packetBufferM = MALLOC(unsigned char, packetBufferLenM);
-  if (packetBufferM)
-     memset(packetBufferM, 0, packetBufferLenM);
-  else
-     error("MALLOC() failed for packet buffer [device %d]", deviceIdM);
 
   // Open sockets
   int i = 100;
   while (i-- > 0) {
-        if (rtpSocketM->Open(0) && rtcpSocketM->Open(rtpSocketM->Port() + 1))
+        if (rtpM->Open(0) && rtcpM->Open(rtpM->Port() + 1))
            break;
-        rtpSocketM->Close();
+        rtpM->Close();
-        rtcpSocketM->Close();
+        rtcpM->Close();
         }
-  if ((rtpSocketM->Port() <= 0) || (rtcpSocketM->Port() <= 0)) {
+  if ((rtpM->Port() <= 0) || (rtcpM->Port() <= 0)) {
      error("Cannot open required RTP/RTCP ports [device %d]", deviceIdM);
      }
   // Must be done after socket initialization!
-  cSatipPoller::GetInstance()->Register(*this);
+  cSatipPoller::GetInstance()->Register(*rtpM);
+  cSatipPoller::GetInstance()->Register(*rtcpM);
 
   // Start thread
   Start();
@@ -69,6 +63,7 @@ cSatipTuner::cSatipTuner(cSatipDeviceIf &deviceP, unsigned int packetLenP)
 cSatipTuner::~cSatipTuner()
 {
   debug("cSatipTuner::%s() [device %d]", __FUNCTION__, deviceIdM);
+
   // Stop thread
   sleepM.Signal();
   if (Running())
@@ -76,14 +71,14 @@ cSatipTuner::~cSatipTuner()
   Close();
 
   // Close the listening sockets
-  cSatipPoller::GetInstance()->Unregister(*this);
+  cSatipPoller::GetInstance()->Unregister(*rtcpM);
-  rtpSocketM->Close();
+  cSatipPoller::GetInstance()->Unregister(*rtpM);
-  rtcpSocketM->Close();
+  rtcpM->Close();
+  rtpM->Close();
 
   // Free allocated memory
-  free(packetBufferM);
+  DELETENULL(rtpM);
-  DELETENULL(rtcpSocketM);
+  DELETENULL(rtcpM);
-  DELETENULL(rtpSocketM);
   DELETENULL(rtspM);
 }
 
@@ -143,9 +138,8 @@ bool cSatipTuner::Connect(void)
         keepAliveM.Set(0);
         KeepAlive();
         // Flush any old content
-        if (rtpSocketM)
+        rtpM->Flush();
-           rtpSocketM->Flush();
+        openedM = rtspM->Setup(*uri, rtpM->Port(), rtcpM->Port());
-        openedM = rtspM->Setup(*uri, rtpSocketM->Port(), rtcpSocketM->Port());
         return openedM;
         }
      keepAliveM.Set(timeoutM);
@@ -153,7 +147,7 @@ bool cSatipTuner::Connect(void)
      if (openedM) {
         if (nextServerM && nextServerM->Quirk(cSatipServer::eSatipQuirkSessionId))
            rtspM->SetSession(SkipZeroes(*sessionM));
-        if (rtspM->Setup(*uri, rtpSocketM->Port(), rtcpSocketM->Port())) {
+        if (rtspM->Setup(*uri, rtpM->Port(), rtcpM->Port())) {
            tunedM = true;
            UpdatePids(true);
            if (nextServerM) {
@@ -201,15 +195,15 @@ bool cSatipTuner::Disconnect(void)
   return true;
 }
 
-void cSatipTuner::ParseReceptionParameters(const char *paramP)
+void cSatipTuner::ParseReceptionParameters(u_char *bufferP, int lengthP)
 {
-  //debug("cSatipTuner::%s(%s) [device %d]", __FUNCTION__, paramP, deviceIdM);
+  //debug("cSatipTuner::%s(%s, %d) [device %d]", __FUNCTION__, bufferP, lengthP, deviceIdM);
   // DVB-S2:
   // ver=<major>.<minor>;src=<srcID>;tuner=<feID>,<level>,<lock>,<quality>,<frequency>,<polarisation>,<system>,<type>,<pilots>,<roll_off>,<symbol_rate>,<fec_inner>;pids=<pid0>,...,<pidn>
   // DVB-T2:
   // ver=1.1;tuner=<feID>,<level>,<lock>,<quality>,<freq>,<bw>,<msys>,<tmode>,<mtype>,<gi>,<fec>,<plp>,<t2id>,<sm>;pids=<pid0>,...,<pidn>
-  if (!isempty(paramP)) {
+  if (lengthP > 0) {
-     char *s = strdup(paramP);
+     char *s = strdup((char *)bufferP);
      char *c = strstr(s, ";tuner=");
      if (c)  {
         int value;
@@ -404,28 +398,3 @@ cString cSatipTuner::GetInformation(void)
   //debug("cSatipTuner::%s() [device %d]", __FUNCTION__, deviceIdM);
   return tunedM ? cString::sprintf("rtsp://%s/?%s [stream=%d]", *streamAddrM, *streamParamM, streamIdM) : "connection failed";
 }
-
-void cSatipTuner::ReadVideo(void)
-{
-  //debug("cSatipTuner::%s() [device %d]", __FUNCTION__, deviceIdM);
-  //cMutexLock MutexLock(&mutexM);
-  if (deviceM && packetBufferM && rtpSocketM) {
-     int length = rtpSocketM->ReadVideo(packetBufferM, min(deviceM->CheckData(), packetBufferLenM));
-     if (length > 0) {
-        AddTunerStatistic(length);
-        deviceM->WriteData(packetBufferM, length);
-        }
-     }
-}
-
-void cSatipTuner::ReadApplication(void)
-{
-  //debug("cSatipTuner::%s() [device %d]", __FUNCTION__, deviceIdM);
-  //cMutexLock MutexLock(&mutexM);
-  if (deviceM && packetBufferM && rtcpSocketM) {
-     unsigned char buf[1450];
-     memset(buf, 0, sizeof(buf));
-     if (rtcpSocketM->ReadApplication(buf, sizeof(buf)) > 0)
-        ParseReceptionParameters((const char *)buf);
-     }
-}

tuner.h

@@ -12,7 +12,8 @@
 #include <vdr/tools.h>
 
 #include "deviceif.h"
-#include "pollerif.h"
+#include "rtp.h"
+#include "rtcp.h"
 #include "rtsp.h"
 #include "server.h"
 #include "statistics.h"
@@ -44,7 +45,8 @@ public:
   }
 };
 
-class cSatipTuner : public cThread, public cSatipTunerStatistics, public cSatipTunerIf, public cSatipPollerIf {
+class cSatipTuner : public cThread, public cSatipTunerStatistics, public cSatipTunerIf
+{
 private:
   enum {
     eDummyPid               = 100,
@@ -60,11 +62,9 @@ private:
   cCondWait sleepM;
   cSatipDeviceIf* deviceM;
   int deviceIdM;
-  unsigned char* packetBufferM;
-  unsigned int packetBufferLenM;
   cSatipRtsp *rtspM;
-  cSatipSocket *rtpSocketM;
+  cSatipRtp *rtpM;
-  cSatipSocket *rtcpSocketM;
+  cSatipRtcp *rtcpM;
   cString streamAddrM;
   cString streamParamM;
   cSatipServer *currentServerM;
@@ -112,17 +112,10 @@ public:
 
   // for internal tuner interface
 public:
-  virtual void ParseReceptionParameters(const char *paramP);
+  virtual void ParseReceptionParameters(u_char *bufferP, int lengthP);
   virtual void SetStreamId(int streamIdP);
   virtual void SetSessionTimeout(const char *sessionP, int timeoutP);
   virtual int GetId(void);
-
-  // for internal poller interface
-  virtual void ReadVideo(void);
-  virtual void ReadApplication(void);
-  virtual int GetPollerId(void) { return GetId(); }
-  virtual int GetVideoFd(void) { return rtpSocketM ? rtpSocketM->Fd() : -1; };
-  virtual int GetApplicationFd(void) { return rtcpSocketM ? rtcpSocketM->Fd() : -1; }
 };
 
 #endif // __SATIP_TUNER_H

tunerif.h

@@ -12,7 +12,7 @@ class cSatipTunerIf {
 public:
   cSatipTunerIf() {}
   virtual ~cSatipTunerIf() {}
-  virtual void ParseReceptionParameters(const char *paramP) = 0;
+  virtual void ParseReceptionParameters(u_char *bufferP, int lenghtP) = 0;
   virtual void SetStreamId(int streamIdP) = 0;
   virtual void SetSessionTimeout(const char *sessionP, int timeoutP) = 0;
   virtual int GetId(void) = 0;