cec: refactored threading/locking - added windows native instead of pthread-win32...

[deb_libcec.git] / src / lib / AdapterCommunication.cpp

diff --git a/src/lib/AdapterCommunication.cpp b/src/lib/AdapterCommunication.cpp
index fc650f0651f82a986dd2cfe7df730d47dfa4b033..faa15aa27100e2f1dcc32e9b86aafd047c999b53 100644 (file)
--- a/src/lib/AdapterCommunication.cpp
+++ b/src/lib/AdapterCommunication.cpp
@@ -33,12 +33,11 @@
 #include "AdapterCommunication.h"
 
 #include "CECProcessor.h"
-#include "platform/serialport.h"
-#include "util/StdString.h"
-#include "platform/timeutils.h"
+#include "platform/serialport/serialport.h"
 
 using namespace std;
 using namespace CEC;
+using namespace PLATFORM;
 
 CCECAdapterMessage::CCECAdapterMessage(const cec_command &command)
 {
@@ -197,9 +196,9 @@ CStdString CCECAdapterMessage::ToString(void) const
     case MSGCODE_HIGH_ERROR:
     case MSGCODE_LOW_ERROR:
       {
-        int iLine      = (size() >= 3) ? (at(1) << 8) | at(2) : 0;
+        uint32_t iLine = (size() >= 3) ? (at(1) << 8) | at(2) : 0;
         uint32_t iTime = (size() >= 7) ? (at(3) << 24) | (at(4) << 16) | (at(5) << 8) | at(6) : 0;
-        strMsg.AppendFormat(" line:%i", iLine);
+        strMsg.AppendFormat(" line:%u", iLine);
         strMsg.AppendFormat(" time:%u", iTime);
       }
       break;
@@ -226,9 +225,9 @@ bool CCECAdapterMessage::is_error(void) const
     code == MSGCODE_LOW_ERROR ||
     code == MSGCODE_RECEIVE_FAILED ||
     code == MSGCODE_COMMAND_REJECTED ||
-    code ==  MSGCODE_TRANSMIT_LINE_TIMEOUT ||
+    code == MSGCODE_TRANSMIT_LINE_TIMEOUT ||
     code == MSGCODE_TRANSMIT_FAILED_LINE ||
-    code ==  MSGCODE_TRANSMIT_FAILED_ACK ||
+    code == MSGCODE_TRANSMIT_FAILED_ACK ||
     code == MSGCODE_TRANSMIT_FAILED_TIMEOUT_DATA ||
     code == MSGCODE_TRANSMIT_FAILED_TIMEOUT_LINE);
 }
@@ -246,9 +245,10 @@ void CCECAdapterMessage::push_escaped(uint8_t byte)
 
 CAdapterCommunication::CAdapterCommunication(CCECProcessor *processor) :
     m_port(NULL),
-    m_processor(processor)
+    m_processor(processor),
+    m_iLineTimeout(0)
 {
-  m_port = new CSerialPort;
+  m_port = new PLATFORM::CSerialPort;
 }
 
 CAdapterCommunication::~CAdapterCommunication(void)
@@ -264,7 +264,11 @@ CAdapterCommunication::~CAdapterCommunication(void)
 
 bool CAdapterCommunication::Open(const char *strPort, uint16_t iBaudRate /* = 38400 */, uint32_t iTimeoutMs /* = 10000 */)
 {
-  CLockObject lock(&m_mutex);
+  uint64_t iNow = GetTimeMs();
+  uint64_t iTimeout = iNow + iTimeoutMs;
+
+  CLockObject lock(m_mutex);
+
   if (!m_port)
   {
     m_processor->AddLog(CEC_LOG_ERROR, "port is NULL");
@@ -274,12 +278,23 @@ bool CAdapterCommunication::Open(const char *strPort, uint16_t iBaudRate /* = 38
   if (IsOpen())
   {
     m_processor->AddLog(CEC_LOG_ERROR, "port is already open");
+    return true;
   }
 
-  if (!m_port->Open(strPort, iBaudRate))
+  CStdString strError;
+  bool bConnected(false);
+  while (!bConnected && iNow < iTimeout)
+  {
+    if ((bConnected = m_port->Open(strPort, iBaudRate)) == false)
+    {
+      strError.Format("error opening serial port '%s': %s", strPort, m_port->GetError().c_str());
+      Sleep(250);
+      iNow = GetTimeMs();
+    }
+  }
+
+  if (!bConnected)
   {
-    CStdString strError;
-    strError.Format("error opening serial port '%s': %s", strPort, m_port->GetError().c_str());
     m_processor->AddLog(CEC_LOG_ERROR, strError);
     return false;
   }
@@ -287,12 +302,12 @@ bool CAdapterCommunication::Open(const char *strPort, uint16_t iBaudRate /* = 38
   m_processor->AddLog(CEC_LOG_DEBUG, "connection opened");
 
   //clear any input bytes
-  uint8_t buff[1024];
-  while (m_port->Read(buff, sizeof(buff), 500) > 0) {}
+  uint8_t buff[1];
+  while (m_port->Read(buff, 1, 5) == 1) {}
 
   if (CreateThread())
   {
-    m_startCondition.Wait(&m_mutex);
+    m_startCondition.Wait(m_mutex);
     m_processor->AddLog(CEC_LOG_DEBUG, "communication thread started");
     return true;
   }
@@ -306,7 +321,7 @@ bool CAdapterCommunication::Open(const char *strPort, uint16_t iBaudRate /* = 38
 
 void CAdapterCommunication::Close(void)
 {
-  CLockObject lock(&m_mutex);
+  CLockObject lock(m_mutex);
   m_startCondition.Broadcast();
   m_rcvCondition.Broadcast();
   StopThread();
@@ -315,17 +330,21 @@ void CAdapterCommunication::Close(void)
 void *CAdapterCommunication::Process(void)
 {
   {
-    CLockObject lock(&m_mutex);
+    CLockObject lock(m_mutex);
     m_startCondition.Signal();
   }
 
   while (!IsStopped())
   {
-    ReadFromDevice(500);
+    ReadFromDevice(50);
     Sleep(5);
     WriteNextCommand();
   }
 
+  CCECAdapterMessage *msg;
+  if (m_outBuffer.Pop(msg))
+    msg->condition.Broadcast();
+
   return NULL;
 }
 
@@ -352,8 +371,8 @@ bool CAdapterCommunication::ReadFromDevice(uint32_t iTimeout)
 
 void CAdapterCommunication::AddData(uint8_t *data, uint8_t iLen)
 {
-  CLockObject lock(&m_mutex);
-  for (unsigned int iPtr = 0; iPtr < iLen; iPtr++)
+  CLockObject lock(m_mutex);
+  for (uint8_t iPtr = 0; iPtr < iLen; iPtr++)
     m_inBuffer.Push(data[iPtr]);
 
   m_rcvCondition.Signal();
@@ -368,8 +387,8 @@ void CAdapterCommunication::WriteNextCommand(void)
 
 void CAdapterCommunication::SendMessageToAdapter(CCECAdapterMessage *msg)
 {
-  CLockObject lock(&msg->mutex);
-  if (m_port->Write(msg) != (int32_t) msg->size())
+  CLockObject lock(msg->mutex);
+  if (m_port->Write(msg->packet.data, msg->size()) != (int32_t) msg->size())
   {
     CStdString strError;
     strError.Format("error writing to serial port: %s", m_port->GetError().c_str());
@@ -393,7 +412,7 @@ bool CAdapterCommunication::Write(CCECAdapterMessage *data)
 
 bool CAdapterCommunication::Read(CCECAdapterMessage &msg, uint32_t iTimeout)
 {
-  CLockObject lock(&m_mutex);
+  CLockObject lock(m_mutex);
 
   msg.clear();
   uint64_t iNow = GetTimeMs();
@@ -407,7 +426,7 @@ bool CAdapterCommunication::Read(CCECAdapterMessage &msg, uint32_t iTimeout)
     uint8_t buf = 0;
     if (!m_inBuffer.Pop(buf))
     {
-      if (!m_rcvCondition.Wait(&m_mutex, (uint32_t) (iTarget - iNow)))
+      if (!m_rcvCondition.Wait(m_mutex, (uint32_t) (iTarget - iNow)))
         return false;
     }
 
@@ -464,9 +483,9 @@ bool CAdapterCommunication::StartBootloader(void)
   output->push_escaped(MSGCODE_START_BOOTLOADER);
   output->push_back(MSGEND);
 
-  CLockObject lock(&output->mutex);
+  CLockObject lock(output->mutex);
   if (Write(output))
-    output->condition.Wait(&output->mutex);
+    output->condition.Wait(output->mutex);
   bReturn = output->state == ADAPTER_MESSAGE_STATE_SENT;
   delete output;
 
@@ -486,16 +505,37 @@ bool CAdapterCommunication::PingAdapter(void)
   output->push_escaped(MSGCODE_PING);
   output->push_back(MSGEND);
 
-  CLockObject lock(&output->mutex);
+  CLockObject lock(output->mutex);
   if (Write(output))
-    output->condition.Wait(&output->mutex);
+    output->condition.Wait(output->mutex);
   bReturn = output->state == ADAPTER_MESSAGE_STATE_SENT;
   delete output;
 
   return bReturn;
 }
 
-bool CAdapterCommunication::IsOpen(void) const
+bool CAdapterCommunication::SetLineTimeout(uint8_t iTimeout)
+{
+  bool bReturn(m_iLineTimeout != iTimeout);
+
+  if (!bReturn)
+  {
+    CCECAdapterMessage *output = new CCECAdapterMessage;
+
+    output->push_back(MSGSTART);
+    output->push_escaped(MSGCODE_TRANSMIT_IDLETIME);
+    output->push_escaped(iTimeout);
+    output->push_back(MSGEND);
+
+    if ((bReturn = Write(output)) == false)
+      m_processor->AddLog(CEC_LOG_ERROR, "could not set the idletime");
+    delete output;
+  }
+
+  return bReturn;
+}
+
+bool CAdapterCommunication::IsOpen(void)
 {
   return !IsStopped() && m_port->IsOpen() && IsRunning();
 }