AwaError AwaServerSession_DispatchCallbacks(AwaServerSession * session)
{
AwaError result = AwaError_Unspecified;
if (session != NULL)
{
IPCMessage * notification;
while (Queue_Pop(session->NotificationQueue, (void **)¬ification))
{
ServerNotification_Process(session, notification);
IPCMessage_Free(¬ification);
}
result = AwaError_Success;
}
else
{
result = LogErrorWithEnum(AwaError_SessionInvalid, "session is NULL");
}
return result;
}
AwaError AwaServerListClientsOperation_Perform(AwaServerListClientsOperation * operation, AwaTimeout timeout)
{
AwaError result = AwaError_Unspecified;
if (timeout >= 0)
{
if (operation != NULL)
{
// build an IPC message and inject our content (object paths) into it
IPCMessage * request = IPCMessage_NewPlus(IPC_MESSAGE_TYPE_REQUEST, IPC_MESSAGE_SUB_TYPE_LIST_CLIENTS, ServerOperation_GetSessionID(operation->ServerOperation));
IPCMessage * response = NULL;
// a timeout of 0 means an infinite timeout
result = IPC_SendAndReceive(ServerSession_GetChannel(ServerOperation_GetSession(operation->ServerOperation)), request, &response, timeout);
if (result == AwaError_Success)
{
IPCResponseCode responseCode = IPCMessage_GetResponseCode(response);
if (responseCode == IPCResponseCode_Success)
{
// Free an old Clients record if it exists
if (operation->ServerResponse != NULL)
{
ServerResponse_Free(&operation->ServerResponse);
}
// Detach the response's content and add it to the Server Response
TreeNode contentNode = IPCMessage_GetContentNode(response);
TreeNode clientsNode = Xml_Find(contentNode, "Clients");
operation->ServerResponse = ServerResponse_NewFromServerOperation(operation->ServerOperation, clientsNode);
// if there are any cached Responses, free them
Map_FreeValues(operation->ClientResponseMap);
LogDebug("Perform ListClients Operation successful");
result = AwaError_Success;
}
else if (responseCode == IPCResponseCode_FailureBadRequest)
{
result = LogErrorWithEnum(AwaError_IPCError, "Unable to perform List Clients operation");
}
else
{
result = LogErrorWithEnum(AwaError_IPCError, "Unexpected IPC response code: %d", responseCode);
}
}
IPCMessage_Free(&request);
IPCMessage_Free(&response);
}
else
{
result = LogErrorWithEnum(AwaError_OperationInvalid, "Operation is NULL");
}
}
else
{
result = LogErrorWithEnum(AwaError_OperationInvalid, "Invalid timeout specified");
}
return result;
}
AwaError AwaClientSubscribeOperation_Perform(AwaClientSubscribeOperation * operation, AwaTimeout timeout)
{
AwaError result = AwaError_Unspecified;
if (timeout >= 0)
{
if (operation != NULL)
{
PerformAddPathCallbackContext addPathContext;
addPathContext.OperationCommon = operation->Common;
addPathContext.Result = AwaError_Success;
Map_ForEach(operation->Subscribers, ClientSubscribe_PerformAddPathCallback,
(void *)&addPathContext);
result = addPathContext.Result;
if (result != AwaError_Success)
{
goto error;
}
const AwaClientSession * session = OperationCommon_GetSession(operation->Common, NULL);
if (ClientSession_IsConnected(session))
{
TreeNode objectsTree = OperationCommon_GetObjectsTree(operation->Common);
if (objectsTree != NULL)
{
if (TreeNode_GetChildCount(objectsTree) > 0)
{
// build an IPC message and inject our content (object paths) into it
IPCMessage * subscribeRequest = IPCMessage_NewPlus(IPC_MESSAGE_TYPE_REQUEST, IPC_MESSAGE_SUB_TYPE_SUBSCRIBE, OperationCommon_GetSessionID(operation->Common));
IPCMessage_AddContent(subscribeRequest, objectsTree);
IPCMessage * subscribeResponse = NULL;
result = IPC_SendAndReceive(ClientSession_GetChannel(session), subscribeRequest, &subscribeResponse, timeout);
if (result == AwaError_Success)
{
IPCResponseCode responseCode = IPCMessage_GetResponseCode(subscribeResponse);
if (responseCode == IPCResponseCode_Success)
{
// Free an old response if it exists
if (operation->Response != NULL)
{
result = SubscribeResponse_Free(&operation->Response);
}
if (result == AwaError_Success)
{
// Detach the response content and store it in the operation's ClientGetResponse
TreeNode contentNode = IPCMessage_GetContentNode(subscribeResponse);
TreeNode objectsNode = Xml_Find(contentNode, "Objects");
operation->Response = SubscribeResponse_New(operation, objectsNode);
if (operation->Response)
{
PerformSuccessfulCallbackContext successContext;
successContext.Session = OperationCommon_GetSession(operation->Common, SessionType_Client);
successContext.Response = operation->Response;
successContext.Result = AwaError_Success;
Map_ForEach(operation->Subscribers, ClientSubscribe_PerformSuccessfulCallback,
(void *)&successContext);
result = successContext.Result;
LogDebug("Perform Subscribe Operation finished %s\n", (result == AwaError_Success? "successfully" : "with errors"));
}
else
{
result = LogErrorWithEnum(AwaError_Internal, "An internal error occurred when parsing Get Response");
}
}
}
else
{
result = LogErrorWithEnum(AwaError_IPCError, "Unexpected IPC response code: %d", responseCode);
}
}
IPCMessage_Free(&subscribeRequest);
IPCMessage_Free(&subscribeResponse);
}
else
{
result = LogErrorWithEnum(AwaError_OperationInvalid, "No paths specified");
}
}
else
{
result = LogErrorWithEnum(AwaError_Internal, "ObjectsTree is NULL");
}
}
else
{
LogError("Session is not connected");
}
}
else
{
result = LogErrorWithEnum(AwaError_OperationInvalid, "Operation is NULL");
}
}
else
{
result = LogErrorWithEnum(AwaError_OperationInvalid, "Invalid timeout");
}
error:
return result;
}
AwaError AwaServerExecuteOperation_Perform(AwaServerExecuteOperation * operation, AwaTimeout timeout)
{
AwaError result = AwaError_Unspecified;
if (timeout >= 0)
{
if (operation != NULL)
{
const AwaServerSession * session = ServerOperation_GetSession(operation->ServerOperation);
if (session != NULL)
{
if (ServerSession_IsConnected(session))
{
TreeNode clientsTree = ServerOperation_GetClientsTree(operation->ServerOperation);
if (clientsTree != NULL)
{
if (TreeNode_GetChildCount(clientsTree) > 0)
{
// build an IPC message and inject our content into it
IPCMessage * request = IPCMessage_NewPlus(IPC_MESSAGE_TYPE_REQUEST, IPC_MESSAGE_SUB_TYPE_EXECUTE, ServerOperation_GetSessionID(operation->ServerOperation));
// Add Content to message
IPCMessage_AddContent(request, clientsTree);
// Send via IPC
IPCMessage * response = NULL;
result = IPC_SendAndReceive(ServerSession_GetChannel(session), request, &response, timeout);
// Process the response
if (result == AwaError_Success)
{
IPCResponseCode responseCode = IPCMessage_GetResponseCode(response);
if (responseCode == IPCResponseCode_Success)
{
// Free an old Execute response record if it exists
if (operation->Response != NULL)
{
ServerResponse_Free(&operation->Response);
}
// Detach the response's content and add it to the Server Response
TreeNode contentNode = IPCMessage_GetContentNode(response);
TreeNode clientsNode = Xml_Find(contentNode, "Clients");
operation->Response = ServerResponse_NewFromServerOperation(operation->ServerOperation, clientsNode);
LogDebug("Perform Execute Operation successful");
result = ServerResponse_CheckForErrors(operation->Response);
}
else if (responseCode == IPCResponseCode_FailureBadRequest)
{
result = LogErrorWithEnum(AwaError_IPCError, "Unable to perform Execute operation: Bad Request");
}
else
{
result = LogErrorWithEnum(AwaError_IPCError, "Unexpected IPC response code: %d", responseCode);
}
}
IPCMessage_Free(&request);
IPCMessage_Free(&response);
}
else
{
result = LogErrorWithEnum(AwaError_OperationInvalid, "No paths specified");
}
}
else
{
result = LogErrorWithEnum(AwaError_Internal, "objectsTree is NULL");
}
}
else
{
result = LogErrorWithEnum(AwaError_SessionNotConnected, "session is not connected");
}
}
else
{
result = LogErrorWithEnum(AwaError_SessionInvalid, "session is NULL");
}
}
else
{
result = LogErrorWithEnum(AwaError_OperationInvalid, "Operation is NULL");
}
}
else
{
result = LogErrorWithEnum(AwaError_OperationInvalid, "Invalid timeout specified");
}
return result;
}
AwaError AwaClientSetOperation_Perform(AwaClientSetOperation * operation, AwaTimeout timeout)
{
AwaError result = AwaError_Unspecified;
if (timeout >= 0)
{
if (operation != NULL)
{
const AwaClientSession * session = OperationCommon_GetSession(operation->Common, NULL);
if (session != NULL)
{
if (ClientSession_IsConnected(session))
{
TreeNode objectsTree = OperationCommon_GetObjectsTree(operation->Common);
if (objectsTree != NULL)
{
if (TreeNode_GetChildCount(objectsTree) > 0)
{
IPCMessage * setRequest = IPCMessage_NewPlus(IPC_MESSAGE_TYPE_REQUEST, IPC_MESSAGE_SUB_TYPE_SET, OperationCommon_GetSessionID(operation->Common));
IPCMessage_AddContent(setRequest, objectsTree);
// Serialise message
char * requestBuffer = IPC_SerialiseMessageToXML(setRequest);
Awa_MemSafeFree(requestBuffer);
// Send via IPC
IPCMessage * setResponse = NULL;
result = IPC_SendAndReceive(ClientSession_GetChannel(session), setRequest, &setResponse, timeout);
// Process the response
if (result == AwaError_Success)
{
// Free an old Read response record if it exists
if (operation->Response != NULL)
{
ResponseCommon_Free(&operation->Response);
}
TreeNode contentNode = IPCMessage_GetContentNode(setResponse);
TreeNode objectsNode = Xml_Find(contentNode, "Objects");
operation->Response = ResponseCommon_New(operation->Common, objectsNode);
result = ResponseCommon_CheckForErrors(operation->Response);
LogDebug("Perform Set Operation successful");
}
// Free allocated memory
IPCMessage_Free(&setRequest);
IPCMessage_Free(&setResponse);
}
else
{
result = LogErrorWithEnum(AwaError_OperationInvalid, "No paths specified");
}
}
else
{
result = LogErrorWithEnum(AwaError_Internal, "objectsTree is NULL");
}
}
else
{
result = LogErrorWithEnum(AwaError_SessionNotConnected, "session is not connected");
}
}
else
{
result = LogErrorWithEnum(AwaError_SessionInvalid, "session is NULL");
}
}
else
{
result = LogErrorWithEnum(AwaError_OperationInvalid, "operation is NULL");
}
}
else
{
result = LogErrorWithEnum(AwaError_OperationInvalid, "Invalid timeout specified");
}
return result;
}