void L1InterfaceStub::processServiceAllocateResponse(CDataAccessor & accessor)
{
const UInt32 channel_id = accessor.getChannelID();
ConnectivityAgentError err(static_cast<ConnectivityAgentError::AgentErrorCodes>
(accessor.getErrorCode()));
LOG4CPLUS_TRACE_METHOD(logger, "L1InterfaceStub::processServiceAllocateResponse() => "
"Channel allocated responce id = "
+ convertIntegerToString(channel_id) + ", err = " +
convertIntegerToString((int)err.getCode()));
iviLink::Ipc::DirectionID dirId = -1;
/// @todo better processing of error codes. PIlin, 31.08.12
/// There is the error case with wrong processing:
/// 1) if response with error, obtain ERR_DEFERRED from failAllocateChannel and
/// begin deallocation procedure.
/// 2) if there is no known dirId, channel also needs to be deallocated, even
/// if its allocation was successfull.
///
/// Here we must initialize channel deallocation procedure, because we unable
/// to send some message - there is no such in existing protocol.
if (err.isNoError())
{
err = endAllocateChannel(channel_id, dirId);
if (err.getCode() == ConnectivityAgentError::ERROR_DEFERRED)
{
LOG4CPLUS_INFO(logger, "L1InterfaceStub::processServiceAllocateResponse() => "
"was E_TRANSITION_AGENT, messaging to other side");
accessor.setErrorCode(BaseError::IVILINK_NO_ERROR);
err = sendRequest(accessor);
}
}
if (!err.isNoError() || dirId == -1)
{
// SEQ_E_4
LOG4CPLUS_ERROR(logger, "L1InterfaceStub::processServiceAllocateResponse() => "
"failed channel allocation");
failAllocateChannel(channel_id, dirId);
accessor.setErrorCode(err.getCode());
}
if (dirId != -1)
{
LOG4CPLUS_INFO(logger, "L1InterfaceStub::processServiceAllocateResponse() => "
"message about allocation result");
sendIpcNotification(accessor, dirId);
}
else
{
LOG4CPLUS_ERROR(logger, "L1InterfaceStub::processServiceAllocateResponse() => "
"unknown client, failing channel");
}
}
ConnectivityAgentError L1InterfaceStub::sendRequest( CDataAccessor & accessor)
{
LOG4CPLUS_TRACE_METHOD(logger, __PRETTY_FUNCTION__);
Buffer buf;
UInt32 offset = 0;
accessor.printContent();
buf.getFilledSize() = accessor.getObjectSize() + sizeof(UInt16);
buf.reserveSize(buf.getFilledSize());
*reinterpret_cast<UInt16*> (buf.getData() + offset) =
ByteOrder::hton16((UInt16)buf.getFilledSize());
offset += 2;
*reinterpret_cast<UInt32*> (buf.getData() + offset) =
ByteOrder::hton32(accessor.getOpCode());
offset += 4;
*reinterpret_cast<UInt32*> (buf.getData() + offset) =
ByteOrder::hton32(accessor.getChannelID());
offset += 4;
*reinterpret_cast<UInt32*> (buf.getData() + offset) =
ByteOrder::hton32(accessor.getDataSize());
offset += 4;
*reinterpret_cast<UInt32*> (buf.getData() + offset) =
ByteOrder::hton32(accessor.getErrorCode());
offset += 4;
if (accessor.getDataSize())
{
memcpy(buf.getData() + offset,accessor.getData(), accessor.getDataSize() );
}
ConnectivityAgentError ret = mL1ChannelRegistry[CA_SERVICE_CHANNEL].
mpSourceAgent->fillBuffer(buf);
buf.forgetData();
return ret;
}
void CConnectivityAgentProxy::receiveAllocateChannelResponse(CDataAccessor & accessor)
{
UInt32 channel_id = accessor.getChannelID();
ERROR_CODE err = static_cast<ERROR_CODE>(accessor.getErrorCode());
LOG4CPLUS_TRACE_METHOD(logger,
"CConnectivityAgentProxy::receiveAllocateChannelResponse"
" channel_id = " + convertIntegerToString(channel_id) + " err = "
+ convertIntegerToString((int) err));
mAllocateRequestCond.lock();
{
tAllocateRequestMap::iterator it = mAllocateRequestMap.find(channel_id);
if (it == mAllocateRequestMap.end())
{
LOG4CPLUS_WARN(logger,
"CConnectivityAgentProxy::receiveAllocateChannelResponse() => channel is not requested");
} else
{
AllocateRequestInfo & info = it->second;
info.mRequestDone = true;
info.mResult = err;
if (ERR_OK == err)
{
mRegistryMutex.lockWrite();
mChannelRegistry[channel_id].mType = info.mType;
mChannelRegistry[channel_id].mpClient = info.mpClient;
mChannelRegistry[channel_id].mChannelBuffer.reserveSize(MAX_SIZE);
mRegistryMutex.unlockWrite();
}
mAllocateRequestCond.broadcast();
}
}
mAllocateRequestCond.unlock();
}
void L1InterfaceStub::processServiceAllocateRequest(CDataAccessor & accessor)
{
const UInt32 channel_id = accessor.getChannelID();
const UInt32 prio = *reinterpret_cast<UInt32*>(accessor.getData());
ConnectivityAgentError err(static_cast<ConnectivityAgentError::AgentErrorCodes>
(accessor.getErrorCode()));
LOG4CPLUS_INFO(logger, "L1InterfaceStub::processServiceAllocateRequest()=>"
"Allocate channel prio = " + convertIntegerToString(prio) +
" id =" + convertIntegerToString(accessor.getChannelID()));
iviLink::Ipc::DirectionID dirId = -1;
accessor.setOpCode(E_ALLOCATE_CHANNEL_RESP);
accessor.resetData();
if (!err.isNoError())
{
// SEQ_E_3
failAllocateChannel(channel_id, dirId);
accessor.setErrorCode(err.getCode());
}
else
{
mRequestedMapMutex.lock();
mRegistryMutex.lock();
{
err = beginAllocateChannel(static_cast<TChannelPriority>(prio), channel_id,
false, dirId);
if (err.getCode() != ConnectivityAgentError::ERROR_DEFERRED)
{
// sending the result to other side
// SEQ_E_4 or ok
accessor.setErrorCode(err.getCode());
sendRequest(accessor);
}
}
mRegistryMutex.unlock();
mRequestedMapMutex.unlock();
if (err.getCode() == ConnectivityAgentError::ERROR_DEFERRED)
{
// all ok, we will wait for the client requesting this channel
// setting timeout
LOG4CPLUS_INFO(logger, "L1InterfaceStub::processServiceAllocateRequest() => "
"channel wasn't requested yet ->set channel to wait and trigger timeout");
assert(mTimeoutManager);
mTimeoutManager->addSubscriber(
new RequestTimeout(E_ALLOCATE_CHANNEL,channel_id, this), 250000);
return;
}
}
if (!err.isNoError())
{
// messagign about failed channel allocation
// SEQ_E_4
if (dirId != -1)
{
sendIpcNotification(accessor, dirId);
}
}
}
ERROR_CODE CConnectivityAgentProxy::allocateChannel(TChannelPriority prio, UInt32 channel_id,
IChannelObserver* observer)
{
LOG4CPLUS_TRACE_METHOD(logger, __PRETTY_FUNCTION__);
LOG4CPLUS_INFO(logger,
"CConnectivityAgentProxy::allocateChannel(type = " + convertIntegerToString((int) prio)
+ ", id = " + convertIntegerToString(channel_id) + " ), this = "
+ convertIntegerToString((intptr_t) this));
ERROR_CODE ret = ERR_FAIL;
if ((channel_id > 0) && (channel_id <= 0xFFFF) && (NULL != observer))
{
mRegistryMutex.lockWrite();
bool channel_unknown = mChannelRegistry.find(channel_id) == mChannelRegistry.end();
mRegistryMutex.unlockWrite();
if (channel_unknown)
{
mAllocateRequestCond.lock();
bool channel_requested = mAllocateRequestMap.find(channel_id)
!= mAllocateRequestMap.end();
if (channel_requested)
{
ret = ERR_IN_PROGRESS;
channel_unknown = false;
LOG4CPLUS_WARN(logger,
"CConnectivityAgentProxy::allocateChannel() => ERROR: channel allocation in progress!");
} else
{
LOG4CPLUS_INFO(logger,
"CConnectivityAgentProxy::allocateChannel() => insert request");
mAllocateRequestMap.insert(
std::make_pair(channel_id,
AllocateRequestInfo(prio, observer, false, ERR_UNKNOWN)));
}
mAllocateRequestCond.unlock();
}
if (channel_unknown)
{
CDataAccessor requestDA;
requestDA.setChannelID(channel_id);
requestDA.setOpCode(E_ALLOCATE_CHANNEL);
UInt32 data = prio;
requestDA.setData(reinterpret_cast<UInt8 *>(&data), sizeof(UInt32));
UInt8* buf = new UInt8[requestDA.getObjectSize()];
requestDA.copyToRawArray(buf);
UInt8 respBuf[100];
UInt32 respSize = sizeof(respBuf);
CError err = mpIpc->request(mMsgIdGen.next(), buf, requestDA.getObjectSize(), respBuf,
respSize);
delete[] buf;
if (!err.isNoError())
{
LOG4CPLUS_WARN(logger, static_cast<std::string>(err));
ret = ERR_FAIL;
mAllocateRequestCond.lock();
mAllocateRequestMap.erase(channel_id);
mAllocateRequestCond.unlock();
LOG4CPLUS_WARN(logger,
"CConnectivityAgentProxy::allocateChannel() => ERROR: failed to send request");
} else
{
CDataAccessor responseDA;
if (respSize > 0)
{
responseDA = CDataAccessor(respBuf, respSize);
ret = static_cast<ERROR_CODE>(responseDA.getErrorCode());
mAllocateRequestCond.lock();
mAllocateRequestMap.erase(channel_id);
mAllocateRequestCond.unlock();
LOG4CPLUS_WARN(logger,
"CConnectivityAgentProxy::allocateChannel() => ERROR: got error response");
} else
{
mAllocateRequestCond.lock();
while (true)
{
tAllocateRequestMap::iterator it = mAllocateRequestMap.find(channel_id);
if (it == mAllocateRequestMap.end())
{
ret = ERR_FAIL;
LOG4CPLUS_WARN(logger,
"CConnectivityAgentProxy::allocateChannel() => ERROR: request was removed");
break;
}
AllocateRequestInfo & info = it->second;
if (info.mRequestDone)
{
LOG4CPLUS_INFO(logger,
"CConnectivityAgentProxy::allocateChannel() => request done");
ret = info.mResult;
mAllocateRequestMap.erase(it);
break;
}
LOG4CPLUS_INFO(logger,
"CConnectivityAgentProxy::allocateChannel() => before wait");
mAllocateRequestCond.wait();
LOG4CPLUS_INFO(logger,
"CConnectivityAgentProxy::allocateChannel() => after wait");
}
mAllocateRequestCond.unlock();
} // if response empty
} // if no ipc err
} else
{
LOG4CPLUS_ERROR(logger,
"CConnectivityAgentProxy::allocateChannel() => ERROR: channel already exists! ");
ret = ERR_NUMBER_BUSY;
}
}
return ret;
}
