static void Handle_AddTestAHandler
(
le_msg_MessageRef_t _msgRef
)
{
// Get the message buffer pointer
uint8_t* _msgBufPtr = ((_Message_t*)le_msg_GetPayloadPtr(_msgRef))->buffer;
// Needed if we are returning a result or output values
uint8_t* _msgBufStartPtr = _msgBufPtr;
// Unpack the input parameters from the message
void* contextPtr;
_msgBufPtr = UnpackData( _msgBufPtr, &contextPtr, sizeof(void*) );
// Create a new server data object and fill it in
_ServerData_t* serverDataPtr = le_mem_ForceAlloc(_ServerDataPool);
serverDataPtr->clientSessionRef = le_msg_GetSession(_msgRef);
serverDataPtr->contextPtr = contextPtr;
serverDataPtr->handlerRef = NULL;
serverDataPtr->removeHandlerFunc = NULL;
contextPtr = serverDataPtr;
// Define storage for output parameters
// Call the function
TestAHandlerRef_t _result;
_result = AddTestAHandler ( AsyncResponse_AddTestAHandler, contextPtr );
// Put the handler reference result and a pointer to the associated remove function
// into the server data object. This function pointer is needed in case the client
// is closed and the handlers need to be removed.
serverDataPtr->handlerRef = (le_event_HandlerRef_t)_result;
serverDataPtr->removeHandlerFunc = (RemoveHandlerFunc_t)RemoveTestAHandler;
// Return a safe reference to the server data object as the reference.
_LOCK
_result = le_ref_CreateRef(_HandlerRefMap, serverDataPtr);
_UNLOCK
// Re-use the message buffer for the response
_msgBufPtr = _msgBufStartPtr;
// Pack the result first
_msgBufPtr = PackData( _msgBufPtr, &_result, sizeof(_result) );
// Pack any "out" parameters
// Return the response
LE_DEBUG("Sending response to client session %p : %ti bytes sent",
le_msg_GetSession(_msgRef),
_msgBufPtr-_msgBufStartPtr);
le_msg_Respond(_msgRef);
}
static void Handle_TestCallback
(
le_msg_MessageRef_t _msgRef
)
{
// Get the message buffer pointer
uint8_t* _msgBufPtr = ((_Message_t*)le_msg_GetPayloadPtr(_msgRef))->buffer;
// Needed if we are returning a result or output values
uint8_t* _msgBufStartPtr = _msgBufPtr;
// Unpack the input parameters from the message
uint32_t someParm;
_msgBufPtr = UnpackData( _msgBufPtr, &someParm, sizeof(uint32_t) );
size_t dataArrayNumElements;
_msgBufPtr = UnpackData( _msgBufPtr, &dataArrayNumElements, sizeof(size_t) );
uint8_t dataArray[dataArrayNumElements];
_msgBufPtr = UnpackData( _msgBufPtr, dataArray, dataArrayNumElements*sizeof(uint8_t) );
void* contextPtr;
_msgBufPtr = UnpackData( _msgBufPtr, &contextPtr, sizeof(void*) );
// Create a new server data object and fill it in
_ServerData_t* serverDataPtr = le_mem_ForceAlloc(_ServerDataPool);
serverDataPtr->clientSessionRef = le_msg_GetSession(_msgRef);
serverDataPtr->contextPtr = contextPtr;
serverDataPtr->handlerRef = NULL;
serverDataPtr->removeHandlerFunc = NULL;
contextPtr = serverDataPtr;
// Define storage for output parameters
// Call the function
int32_t _result;
_result = TestCallback ( someParm, dataArray, dataArrayNumElements, AsyncResponse_TestCallback, contextPtr );
// Re-use the message buffer for the response
_msgBufPtr = _msgBufStartPtr;
// Pack the result first
_msgBufPtr = PackData( _msgBufPtr, &_result, sizeof(_result) );
// Pack any "out" parameters
// Return the response
LE_DEBUG("Sending response to client session %p : %ti bytes sent",
le_msg_GetSession(_msgRef),
_msgBufPtr-_msgBufStartPtr);
le_msg_Respond(_msgRef);
}
//--------------------------------------------------------------------------------------------------
void msgService_ProcessMessageFromClient
(
le_msg_ServiceRef_t serviceRef, ///< [IN] Reference to the Service object.
le_msg_MessageRef_t msgRef ///< [IN] Message reference for the received message.
)
//--------------------------------------------------------------------------------------------------
{
// Pass the message to the server's registered receive handler, if there is one.
if (serviceRef->recvHandler != NULL)
{
// Set the thread-local received message reference so it can be retrieved by the handler.
pthread_setspecific(ThreadLocalRxMsgKey, msgRef);
// Call the handler function.
serviceRef->recvHandler(msgRef, serviceRef->recvContextPtr);
// Clear the thread-local reference.
pthread_setspecific(ThreadLocalRxMsgKey, NULL);
}
// Discard the message if no handler is registered.
else
{
LE_WARN("No service receive handler (%s:%s). Discarding message. Closing session.",
serviceRef->id.name,
le_msg_GetProtocolIdStr(serviceRef->id.protocolRef));
le_msg_DeleteSession(le_msg_GetSession(msgRef));
le_msg_ReleaseMsg(msgRef);
}
}
static void ServerMsgRecvHandler
(
le_msg_MessageRef_t msgRef,
void* contextPtr
)
{
// Get the message payload so that we can get the message "id"
_Message_t* msgPtr = le_msg_GetPayloadPtr(msgRef);
// Get the client session ref for the current message. This ref is used by the server to
// get info about the client process, such as user id. If there are multiple clients, then
// the session ref may be different for each message, hence it has to be queried each time.
_ClientSessionRef = le_msg_GetSession(msgRef);
// Dispatch to appropriate message handler and get response
switch (msgPtr->id)
{
case _MSGID_AddTestAHandler : Handle_AddTestAHandler(msgRef); break;
case _MSGID_RemoveTestAHandler : Handle_RemoveTestAHandler(msgRef); break;
case _MSGID_allParameters : Handle_allParameters(msgRef); break;
case _MSGID_FileTest : Handle_FileTest(msgRef); break;
case _MSGID_TriggerTestA : Handle_TriggerTestA(msgRef); break;
case _MSGID_AddBugTestHandler : Handle_AddBugTestHandler(msgRef); break;
case _MSGID_RemoveBugTestHandler : Handle_RemoveBugTestHandler(msgRef); break;
case _MSGID_TestCallback : Handle_TestCallback(msgRef); break;
case _MSGID_TriggerCallbackTest : Handle_TriggerCallbackTest(msgRef); break;
default: LE_ERROR("Unknowm msg id = %i", msgPtr->id);
}
// Clear the client session ref associated with the current message, since the message
// has now been processed.
_ClientSessionRef = 0;
}
//--------------------------------------------------------------------------------------------------
void TriggerCallbackTestRespond
(
ServerCmdRef_t _cmdRef
)
{
LE_ASSERT(_cmdRef != NULL);
// Get the message related data
le_msg_MessageRef_t _msgRef = (le_msg_MessageRef_t)_cmdRef;
_Message_t* _msgPtr = le_msg_GetPayloadPtr(_msgRef);
__attribute__((unused)) uint8_t* _msgBufPtr = _msgPtr->buffer;
// Ensure the passed in msgRef is for the correct message
LE_ASSERT(_msgPtr->id == _MSGID_TriggerCallbackTest);
// Ensure that this Respond function has not already been called
LE_FATAL_IF( !le_msg_NeedsResponse(_msgRef), "Response has already been sent");
// Pack any "out" parameters
// Return the response
LE_DEBUG("Sending response to client session %p", le_msg_GetSession(_msgRef));
le_msg_Respond(_msgRef);
}
//--------------------------------------------------------------------------------------------------
void allParametersRespond
(
ServerCmdRef_t _cmdRef,
uint32_t b,
size_t outputNumElements,
uint32_t* outputPtr,
char* response,
char* more
)
{
LE_ASSERT(_cmdRef != NULL);
// Get the message related data
le_msg_MessageRef_t _msgRef = (le_msg_MessageRef_t)_cmdRef;
_Message_t* _msgPtr = le_msg_GetPayloadPtr(_msgRef);
__attribute__((unused)) uint8_t* _msgBufPtr = _msgPtr->buffer;
// Ensure the passed in msgRef is for the correct message
LE_ASSERT(_msgPtr->id == _MSGID_allParameters);
// Ensure that this Respond function has not already been called
LE_FATAL_IF( !le_msg_NeedsResponse(_msgRef), "Response has already been sent");
// Pack any "out" parameters
_msgBufPtr = PackData( _msgBufPtr, &b, sizeof(uint32_t) );
_msgBufPtr = PackData( _msgBufPtr, &outputNumElements, sizeof(size_t) );
_msgBufPtr = PackData( _msgBufPtr, outputPtr, outputNumElements*sizeof(uint32_t) );
_msgBufPtr = PackString( _msgBufPtr, response );
_msgBufPtr = PackString( _msgBufPtr, more );
// Return the response
LE_DEBUG("Sending response to client session %p", le_msg_GetSession(_msgRef));
le_msg_Respond(_msgRef);
}
//--------------------------------------------------------------------------------------------------
static void MsgRecvHandler
(
le_msg_MessageRef_t msgRef, ///< Reference to the received message.
void* opaqueContextPtr ///< contextPtr passed to le_msg_SetServiceRecvHandler()
)
//--------------------------------------------------------------------------------------------------
{
Context_t* contextPtr = opaqueContextPtr;
LE_ASSERT(contextPtr != NULL);
LE_TEST(contextPtr->strPtr == ContextStr);
LE_TEST(strcmp(contextPtr->strPtr, ContextStr) == 0);
le_msg_SessionRef_t sessionRef = le_msg_GetSession(msgRef);
LE_ASSERT(sessionRef != NULL);
burger_Message_t* msgPtr = le_msg_GetPayloadPtr(msgRef);
LE_ASSERT(msgPtr != NULL);
LE_INFO("Received '%x'", msgPtr->payload);
switch (msgPtr->payload)
{
case 0xBEEFBEEF:
LE_TEST(le_msg_NeedsResponse(msgRef) == false);
le_msg_ReleaseMsg(msgRef);
break;
case 0xDEADBEEF:
LE_TEST(le_msg_NeedsResponse(msgRef) == true);
contextPtr->requestCount++;
LE_INFO("Received transaction request (%d/%d).",
contextPtr->requestCount,
contextPtr->maxRequestCount);
// Construct and send response.
msgPtr->payload = 0xBEEFDEAD;
le_msg_Respond(msgRef);
// If we have received the magic number of requests, tell the client to
// terminate the test by sending 0xDEADDEAD to the client.
if (contextPtr->requestCount >= contextPtr->maxRequestCount)
{
LE_INFO("Maximum number of request-response transactions reached.");
msgRef = le_msg_CreateMsg(sessionRef);
msgPtr = le_msg_GetPayloadPtr(msgRef);
msgPtr->payload = 0xDEADDEAD;
le_msg_Send(msgRef);
}
break;
default:
LE_FATAL("Unexpected message payload (%x)", msgPtr->payload);
}
}
static void Handle_RemoveBugTestHandler
(
le_msg_MessageRef_t _msgRef
)
{
// Get the message buffer pointer
uint8_t* _msgBufPtr = ((_Message_t*)le_msg_GetPayloadPtr(_msgRef))->buffer;
// Needed if we are returning a result or output values
uint8_t* _msgBufStartPtr = _msgBufPtr;
// Unpack the input parameters from the message
BugTestHandlerRef_t addHandlerRef;
_msgBufPtr = UnpackData( _msgBufPtr, &addHandlerRef, sizeof(BugTestHandlerRef_t) );
// The passed in handlerRef is a safe reference for the server data object. Need to get the
// real handlerRef from the server data object and then delete both the safe reference and
// the object since they are no longer needed.
_LOCK
_ServerData_t* serverDataPtr = le_ref_Lookup(_HandlerRefMap, addHandlerRef);
if ( serverDataPtr == NULL )
{
_UNLOCK
LE_KILL_CLIENT("Invalid reference");
return;
}
le_ref_DeleteRef(_HandlerRefMap, addHandlerRef);
_UNLOCK
addHandlerRef = (BugTestHandlerRef_t)serverDataPtr->handlerRef;
le_mem_Release(serverDataPtr);
// Define storage for output parameters
// Call the function
RemoveBugTestHandler ( addHandlerRef );
// Re-use the message buffer for the response
_msgBufPtr = _msgBufStartPtr;
// Pack any "out" parameters
// Return the response
LE_DEBUG("Sending response to client session %p : %ti bytes sent",
le_msg_GetSession(_msgRef),
_msgBufPtr-_msgBufStartPtr);
le_msg_Respond(_msgRef);
}
static void Handle_TriggerCallbackTest
(
le_msg_MessageRef_t _msgRef
)
{
// Get the message buffer pointer
uint8_t* _msgBufPtr = ((_Message_t*)le_msg_GetPayloadPtr(_msgRef))->buffer;
// Needed if we are returning a result or output values
uint8_t* _msgBufStartPtr = _msgBufPtr;
// Unpack the input parameters from the message
uint32_t data;
_msgBufPtr = UnpackData( _msgBufPtr, &data, sizeof(uint32_t) );
// Define storage for output parameters
// Call the function
TriggerCallbackTest ( data );
// Re-use the message buffer for the response
_msgBufPtr = _msgBufStartPtr;
// Pack any "out" parameters
// Return the response
LE_DEBUG("Sending response to client session %p : %ti bytes sent",
le_msg_GetSession(_msgRef),
_msgBufPtr-_msgBufStartPtr);
le_msg_Respond(_msgRef);
}
static void Handle_FileTest
(
le_msg_MessageRef_t _msgRef
)
{
// Get the message buffer pointer
uint8_t* _msgBufPtr = ((_Message_t*)le_msg_GetPayloadPtr(_msgRef))->buffer;
// Needed if we are returning a result or output values
uint8_t* _msgBufStartPtr = _msgBufPtr;
// Unpack the input parameters from the message
int dataFile;
dataFile = le_msg_GetFd(_msgRef);
// Define storage for output parameters
int dataOut;
// Call the function
FileTest ( dataFile, &dataOut );
// Re-use the message buffer for the response
_msgBufPtr = _msgBufStartPtr;
// Pack any "out" parameters
le_msg_SetFd(_msgRef, dataOut);
// Return the response
LE_DEBUG("Sending response to client session %p : %ti bytes sent",
le_msg_GetSession(_msgRef),
_msgBufPtr-_msgBufStartPtr);
le_msg_Respond(_msgRef);
}
static void Handle_allParameters
(
le_msg_MessageRef_t _msgRef
)
{
// Get the message buffer pointer
uint8_t* _msgBufPtr = ((_Message_t*)le_msg_GetPayloadPtr(_msgRef))->buffer;
// Needed if we are returning a result or output values
uint8_t* _msgBufStartPtr = _msgBufPtr;
// Unpack the input parameters from the message
common_EnumExample_t a;
_msgBufPtr = UnpackData( _msgBufPtr, &a, sizeof(common_EnumExample_t) );
size_t dataNumElements;
_msgBufPtr = UnpackData( _msgBufPtr, &dataNumElements, sizeof(size_t) );
uint32_t data[dataNumElements];
_msgBufPtr = UnpackData( _msgBufPtr, data, dataNumElements*sizeof(uint32_t) );
size_t outputNumElements;
_msgBufPtr = UnpackData( _msgBufPtr, &outputNumElements, sizeof(size_t) );
if ( outputNumElements > 10 )
{
LE_DEBUG("Adjusting outputNumElements from %zd to 10", outputNumElements);
outputNumElements = 10;
}
char label[21];
_msgBufPtr = UnpackString( _msgBufPtr, label, 21 );
size_t responseNumElements;
_msgBufPtr = UnpackData( _msgBufPtr, &responseNumElements, sizeof(size_t) );
size_t moreNumElements;
_msgBufPtr = UnpackData( _msgBufPtr, &moreNumElements, sizeof(size_t) );
// Define storage for output parameters
uint32_t b;
uint32_t output[outputNumElements];
char response[responseNumElements]; response[0]=0;
char more[moreNumElements]; more[0]=0;
// Call the function
allParameters ( a, &b, data, dataNumElements, output, &outputNumElements, label, response, responseNumElements, more, moreNumElements );
// Re-use the message buffer for the response
_msgBufPtr = _msgBufStartPtr;
// Pack any "out" parameters
_msgBufPtr = PackData( _msgBufPtr, &b, sizeof(uint32_t) );
_msgBufPtr = PackData( _msgBufPtr, &outputNumElements, sizeof(size_t) );
_msgBufPtr = PackData( _msgBufPtr, output, outputNumElements*sizeof(uint32_t) );
_msgBufPtr = PackString( _msgBufPtr, response );
_msgBufPtr = PackString( _msgBufPtr, more );
// Return the response
LE_DEBUG("Sending response to client session %p : %ti bytes sent",
le_msg_GetSession(_msgRef),
_msgBufPtr-_msgBufStartPtr);
le_msg_Respond(_msgRef);
}
