// Main entry point int __cdecl wmain() { HRESULT hr = S_OK; WS_ERROR* error = NULL; WS_CHANNEL* channel = NULL; WS_LISTENER* listener = NULL; WS_HEAP* heap = NULL; WS_MESSAGE* requestMessage = NULL; WS_MESSAGE* replyMessage = NULL; static const WS_STRING uri = WS_STRING_VALUE(L"http://+:80/example"); // Create an error object for storing rich error information hr = WsCreateError( NULL, 0, &error); if (FAILED(hr)) { goto Exit; } // Create a listener hr = WsCreateListener( WS_CHANNEL_TYPE_REPLY, WS_HTTP_CHANNEL_BINDING, NULL, 0, NULL, &listener, error); if (FAILED(hr)) { goto Exit; } // Open listener hr = WsOpenListener( listener, &uri, NULL, error); if (FAILED(hr)) { goto Exit; } // Set up a property indicating streamined input and output WS_TRANSFER_MODE transferMode = WS_STREAMED_TRANSFER_MODE; WS_CHANNEL_PROPERTY transferModeProperty; transferModeProperty.id = WS_CHANNEL_PROPERTY_TRANSFER_MODE; transferModeProperty.value = &transferMode; transferModeProperty.valueSize = sizeof(transferMode); // Create a channel suitable for accepting from the listener hr = WsCreateChannelForListener( listener, &transferModeProperty, 1, &channel, error); if (FAILED(hr)) { goto Exit; } hr = WsCreateMessageForChannel( channel, NULL, 0, &requestMessage, error); if (FAILED(hr)) { goto Exit; } hr = WsCreateMessageForChannel( channel, NULL, 0, &replyMessage, error); if (FAILED(hr)) { goto Exit; } // Create a heap to store deserialized data hr = WsCreateHeap( /*maxSize*/ 2048, /*trimSize*/ 512, NULL, 0, &heap, error); if (FAILED(hr)) { goto Exit; } // Receive messages and send replies for (int i = 0; i < 10; i++) { // Accept a channel from the client hr = WsAcceptChannel(listener, channel, NULL, error); if (FAILED(hr)) { goto Exit; } // Receive the message start (headers) hr = WsReadMessageStart( channel, requestMessage, NULL, error); if (FAILED(hr)) { goto Exit; } // Get action value WS_XML_STRING receivedAction; hr = WsGetHeader( requestMessage, WS_ACTION_HEADER, WS_XML_STRING_TYPE, WS_READ_REQUIRED_VALUE, NULL, &receivedAction, sizeof(receivedAction), error); if (FAILED(hr)) { goto Exit; } // Make sure action is what we expect hr = WsXmlStringEquals( &receivedAction, PurchaseOrder_wsdl.messages.PurchaseOrder.action, error); if (hr != S_OK) { hr = WS_E_ENDPOINT_ACTION_NOT_SUPPORTED; goto Exit; } // Initialize the reply message based on the request hr = WsInitializeMessage( replyMessage, WS_REPLY_MESSAGE, requestMessage, error); if (FAILED(hr)) { goto Exit; } // Write the start of the reply message (headers) hr = WsWriteMessageStart( channel, replyMessage, NULL, error); if (FAILED(hr)) { goto Exit; } // Read the contents of the request body, and send response body for (;;) { // Make sure we have at least one purchase order buffered in the request message. // Each purchase order may be up to 1024 bytes in size. hr = WsFillBody( requestMessage, 1024, NULL, error); if (FAILED(hr)) { goto Exit; } // Deserialize purchase order into heap (if any more) _PurchaseOrderType* purchaseOrder; hr = WsReadBody( requestMessage, &PurchaseOrder_wsdl.globalElements.PurchaseOrderType, WS_READ_OPTIONAL_POINTER, heap, &purchaseOrder, sizeof(purchaseOrder), error); if (FAILED(hr)) { goto Exit; } // NULL indicates no more purchase orders if (purchaseOrder == NULL) { break; } // Print out purchase order contents wprintf(L"%ld, %s\n", purchaseOrder->quantity, purchaseOrder->productName); // Serialize a confirmation into the reply message _OrderConfirmationType orderConfirmation; orderConfirmation.expectedShipDate = L"1/1/2006"; orderConfirmation.orderID = 123; hr = WsWriteBody( replyMessage, &PurchaseOrder_wsdl.globalElements.OrderConfirmationType, WS_WRITE_REQUIRED_VALUE, &orderConfirmation, sizeof(orderConfirmation), error); if (FAILED(hr)) { goto Exit; } // Flush the confirmation data if at least 4096 bytes have been accumulated hr = WsFlushBody( replyMessage, 4096, NULL, error); if (FAILED(hr)) { goto Exit; } // Free purchase order hr = WsResetHeap( heap, error); if (FAILED(hr)) { goto Exit; } } // Read the end of the message hr = WsReadMessageEnd( channel, requestMessage, NULL, error); if (FAILED(hr)) { goto Exit; } // Write the end of the message hr = WsWriteMessageEnd( channel, replyMessage, NULL, error); if (FAILED(hr)) { goto Exit; } // Reset the message so it can be used again hr = WsResetMessage( requestMessage, error); if (FAILED(hr)) { goto Exit; } // Reset the message so it can be used again hr = WsResetMessage( replyMessage, error); if (FAILED(hr)) { goto Exit; } if (channel != NULL) { // Close the channel WsCloseChannel(channel, NULL, error); } // Reset the channel so it can be used again hr = WsResetChannel( channel, error); if (FAILED(hr)) { goto Exit; } } Exit: if (FAILED(hr)) { // Print out the error PrintError(hr, error); } if (channel != NULL) { // Close the channel WsCloseChannel(channel, NULL, error); } if (listener != NULL) { // Close the listener if it was opened WsCloseListener(listener, NULL, error); } if (channel != NULL) { WsFreeChannel(channel); } if (listener != NULL) { WsFreeListener(listener); } if (requestMessage != NULL) { WsFreeMessage(requestMessage); } if (replyMessage != NULL) { WsFreeMessage(replyMessage); } if (heap != NULL) { WsFreeHeap(heap); } if (error != NULL) { WsFreeError(error); } fflush(stdout); return SUCCEEDED(hr) ? 0 : -1; }
// Reads the data and serializes it into the message. This function does custom serialization for the same // reason and with the same alrogithm as DeserializeAndWriteMessage. HRESULT CFileRepServer::ReadAndSendChunk( __in CRequest* request, __in long chunkSize, __in LONGLONG chunkPosition, __in HANDLE file) { PrintVerbose(L"Entering CFileRepServer::ReadAndSendChunk"); if (chunkSize < 0 || chunkPosition < 0) { PrintVerbose(L"Leaving CFileRepServer::ReadAndSendChunk"); return E_INVALIDARG; } HRESULT hr = S_OK; WS_XML_WRITER* writer = NULL; WS_MESSAGE* replyMessage = request->GetReplyMessage(); WS_MESSAGE* requestMessage = request->GetRequestMessage(); WS_ERROR* error = request->GetError(); WS_CHANNEL* channel = request->GetChannel(); BYTE* buf = NULL; LONG length = 0; // To avoid using too much memory we read and write the message in chunks. LONG bytesToRead = FILE_CHUNK; if (bytesToRead > chunkSize) { bytesToRead = chunkSize; } buf = (BYTE*)HeapAlloc(GetProcessHeap(), 0, bytesToRead); IfNullExit(buf); IfFailedExit(WsInitializeMessage(replyMessage, WS_BLANK_MESSAGE, requestMessage, error)); // Add the action header IfFailedExit(WsSetHeader( replyMessage, WS_ACTION_HEADER, WS_XML_STRING_TYPE, WS_WRITE_REQUIRED_VALUE, &fileReplyAction, sizeof(fileReplyAction), error)); // Send the message headers IfFailedExit(WsWriteMessageStart(channel, replyMessage, NULL, error)); // Get writer to serialize message body IfFailedExit(WsGetMessageProperty(replyMessage, WS_MESSAGE_PROPERTY_BODY_WRITER, &writer, sizeof(writer), error)); // Write FileChunk start element. // This whole code block is the serialization equivalent of the desiralization code. IfFailedExit(WsWriteStartElement(writer, NULL, &fileChunkLocalName, &fileChunkNamespace, error)); // Write chunkPosition element IfFailedExit(WsWriteStartElement(writer, NULL, &chunkPositionLocalName, &fileChunkNamespace, error)); IfFailedExit(WsWriteValue(writer, WS_INT64_VALUE_TYPE, &chunkPosition, sizeof(chunkPosition), error)); IfFailedExit(WsWriteEndElement(writer, error)); // Write fileContent start element IfFailedExit(WsWriteStartElement(writer, NULL, &fileContentLocalName, &fileChunkNamespace, error)); // Like in the deserialization code, we read the file in multiple steps to avoid // having to have everything in memory at once. The message could potentially be // big so this is more efficient. for (;;) { ULONG bytesRead = 0; if (length + bytesToRead > chunkSize) { bytesToRead = chunkSize - length; } if (!ReadFile(file, buf, bytesToRead, &bytesRead, NULL)) { PrintError(L"File read error.", true); hr = HRESULT_FROM_WIN32(GetLastError()); EXIT_FUNCTION } if (0 == bytesRead) { // We reched the end of the file before filling the chunk. Send a partial chunk. break; } IfFailedExit(WsWriteBytes(writer, buf, bytesRead, error)); length += bytesRead; if (length == chunkSize) { // We filled the message break; } }
// Main entry point int __cdecl wmain() { HRESULT hr = S_OK; WS_ERROR* error = NULL; WS_CHANNEL* channel = NULL; WS_MESSAGE* requestMessage = NULL; WS_MESSAGE* replyMessage = NULL; WS_HEAP* heap = NULL; static const WS_STRING serviceUrl = WS_STRING_VALUE(L"http://localhost/example"); WS_ENDPOINT_ADDRESS address = {}; // Create an error object for storing rich error information hr = WsCreateError( NULL, 0, &error); if (FAILED(hr)) { goto Exit; } // Set up a property indicating streamined input and output WS_TRANSFER_MODE transferMode = WS_STREAMED_TRANSFER_MODE; WS_CHANNEL_PROPERTY transferModeProperty; transferModeProperty.id = WS_CHANNEL_PROPERTY_TRANSFER_MODE; transferModeProperty.value = &transferMode; transferModeProperty.valueSize = sizeof(transferMode); // Create a HTTP request channel hr = WsCreateChannel( WS_CHANNEL_TYPE_REQUEST, WS_HTTP_CHANNEL_BINDING, &transferModeProperty, 1, NULL, &channel, error); if (FAILED(hr)) { goto Exit; } // Initialize address of service address.url = serviceUrl; // Open channel to address hr = WsOpenChannel( channel, &address, NULL, error); if (FAILED(hr)) { goto Exit; } hr = WsCreateMessageForChannel( channel, NULL, 0, &requestMessage, error); if (FAILED(hr)) { goto Exit; } hr = WsCreateMessageForChannel( channel, NULL, 0, &replyMessage, error); if (FAILED(hr)) { goto Exit; } // Create a heap to store deserialized data hr = WsCreateHeap( /*maxSize*/ 2048, /*trimSize*/ 512, NULL, 0, &heap, error); if (FAILED(hr)) { goto Exit; } // Send request messages and receive reply messages for (int i = 0; i < 10; i++) { // Initialize message headers of the request message hr = WsInitializeMessage( requestMessage, WS_BLANK_MESSAGE, NULL, error); if (FAILED(hr)) { goto Exit; } // Add the action header to the request message hr = WsSetHeader( requestMessage, WS_ACTION_HEADER, WS_XML_STRING_TYPE, WS_WRITE_REQUIRED_VALUE, PurchaseOrder_wsdl.messages.PurchaseOrder.action, sizeof(*PurchaseOrder_wsdl.messages.PurchaseOrder.action), error); if (FAILED(hr)) { goto Exit; } // Generate a unique message ID that will be used for the request message WS_UNIQUE_ID messageID; ZeroMemory( &messageID, sizeof(messageID)); DWORD status = UuidCreate( &messageID.guid); if (status != RPC_S_OK) { hr = E_FAIL; goto Exit; } // Add the message ID to the request message hr = WsSetHeader( requestMessage, WS_MESSAGE_ID_HEADER, WS_UNIQUE_ID_TYPE, WS_WRITE_REQUIRED_VALUE, &messageID, sizeof(messageID), error); if (FAILED(hr)) { goto Exit; } // Send the message headers of the request message hr = WsWriteMessageStart( channel, requestMessage, NULL, error); if (FAILED(hr)) { goto Exit; } // Stream out some purchase orders for (int j = 0; j < 10; j++) { // Initialize body data _PurchaseOrderType purchaseOrder; purchaseOrder.quantity = 1; purchaseOrder.productName = L"Pencil"; // Serialize body data into message hr = WsWriteBody( requestMessage, &PurchaseOrder_wsdl.globalElements.PurchaseOrderType, WS_WRITE_REQUIRED_VALUE, &purchaseOrder, sizeof(purchaseOrder), error); if (FAILED(hr)) { goto Exit; } // Send accumulated message data once at least 4096 bytes have been accumulated hr = WsFlushBody( requestMessage, 4096, NULL, error); if (FAILED(hr)) { goto Exit; } } // Send the end of the request message hr = WsWriteMessageEnd( channel, requestMessage, NULL, error); if (FAILED(hr)) { goto Exit; } // Receive the headers of the reply message hr = WsReadMessageStart( channel, replyMessage, NULL, error); if (FAILED(hr)) { goto Exit; } // Stream in all the confirmations for (;;) { // Make sure we have at least once confirmation buffered. Each confirmation // may be up to 1024 bytes in size. hr = WsFillBody( replyMessage, 1024, NULL, error); if (FAILED(hr)) { goto Exit; } // Try to deserialize a confirmation into the heap _OrderConfirmationType* orderConfirmation; hr = WsReadBody( replyMessage, &PurchaseOrder_wsdl.globalElements.OrderConfirmationType, WS_READ_OPTIONAL_POINTER, heap, &orderConfirmation, sizeof(orderConfirmation), error); if (FAILED(hr)) { goto Exit; } // If there are no more confirmations, break out of the loop if (orderConfirmation == NULL) { break; } // Print out confirmation contents wprintf(L"%s\n", orderConfirmation->expectedShipDate); // Reset the heap which frees the confirmation data that was deserialized hr = WsResetHeap( heap, error); if (FAILED(hr)) { goto Exit; } } // Receive the end of the reply message hr = WsReadMessageEnd( channel, replyMessage, NULL, error); if (FAILED(hr)) { goto Exit; } // Reset message so it can be used again hr = WsResetMessage( replyMessage, error); if (FAILED(hr)) { goto Exit; } // Reset message so it can be used again hr = WsResetMessage( requestMessage, error); if (FAILED(hr)) { goto Exit; } } Exit: if (FAILED(hr)) { // Print out the error PrintError(hr, error); } if (channel != NULL) { // Close the channel WsCloseChannel(channel, NULL, error); } if (requestMessage != NULL) { WsFreeMessage(requestMessage); } if (replyMessage != NULL) { WsFreeMessage(replyMessage); } if (channel != NULL) { WsFreeChannel(channel); } if (error != NULL) { WsFreeError(error); } if (heap != NULL) { WsFreeHeap(heap); } fflush(stdout); return SUCCEEDED(hr) ? 0 : -1; }
// Main entry point int __cdecl wmain() { HRESULT hr = S_OK; WS_ERROR* error = NULL; WS_CHANNEL* channel = NULL; WS_MESSAGE* message = NULL; HANDLE receiverThreadHandle = NULL; static const WS_STRING serviceUrl = WS_STRING_VALUE(L"soap.udp://[FF02::C]:809"); static const WS_STRING toUrl = WS_STRING_VALUE(L"http://localhost/request"); ULONG addressFamily = AF_INET6; ULONG retVal = 0; IP_ADAPTER_ADDRESSES* adapterAddresses = NULL; // To get list of adapters GetAdaptersAddresses is called twice - first to get size of the list // and second to get the actual list. As the number of adapters may change between these two calls // to GetAdaptersAddresses, we retry up to 4 times. for (ULONG i = 0; i < 4; i++) { // Free memory if it was not big enough if (adapterAddresses != NULL) { HeapFree(GetProcessHeap(), 0, adapterAddresses); adapterAddresses = NULL; } // First see how much space is needed for adapter addresses ULONG adapterBufferSize = 0; retVal = GetAdaptersAddresses(addressFamily, 0, NULL, NULL, &adapterBufferSize); if (retVal != ERROR_BUFFER_OVERFLOW) { hr = HRESULT_FROM_WIN32(retVal); goto Exit; } // Allocate space for information about adapters adapterAddresses = (IP_ADAPTER_ADDRESSES*)HeapAlloc(GetProcessHeap(), 0, adapterBufferSize); if (adapterAddresses == NULL) { hr = E_OUTOFMEMORY; goto Exit; } // Get list of adapters retVal = GetAdaptersAddresses( AF_INET6, 0, NULL, adapterAddresses, &adapterBufferSize); if (retVal != ERROR_BUFFER_OVERFLOW) { break; } // number of adapter have changed between calls to GetAdaptersAddresses, retry. } if (retVal != 0) { hr = HRESULT_FROM_WIN32(retVal); goto Exit; } // Create an error object for storing rich error information hr = WsCreateError( NULL, 0, &error); if (FAILED(hr)) { goto Exit; } WS_IP_VERSION ipVersion = WS_IP_VERSION_6; WS_CHANNEL_PROPERTY ipVersionProperty; ipVersionProperty.id = WS_CHANNEL_PROPERTY_IP_VERSION; ipVersionProperty.value = &ipVersion; ipVersionProperty.valueSize = sizeof(ipVersion); // Create a UDP duplex channel for IPv6 addressing hr = WsCreateChannel( WS_CHANNEL_TYPE_DUPLEX, WS_UDP_CHANNEL_BINDING, &ipVersionProperty, 1, NULL, &channel, error); if (FAILED(hr)) { goto Exit; } // Initialize address to the multicast address to send to WS_ENDPOINT_ADDRESS address; address.url = serviceUrl; address.headers = NULL; address.extensions = NULL; address.identity = NULL; // Open channel to address hr = WsOpenChannel(channel, &address, NULL, error); if (FAILED(hr)) { goto Exit; } // Generate a unique message ID that will be used for all messages WS_UNIQUE_ID messageID; ZeroMemory(&messageID, sizeof(messageID)); if (UuidCreate(&messageID.guid) != RPC_S_OK) { hr = E_FAIL; goto Exit; } // Create a thread that will receive messages THREAD_INFO receiverThreadInfo; receiverThreadInfo.channel = channel; receiverThreadHandle = CreateThread(NULL, 0, ReceiverThread, &receiverThreadInfo, 0, NULL); if (receiverThreadHandle == NULL) { hr = HRESULT_FROM_WIN32(GetLastError()); goto Exit; } hr = WsCreateMessageForChannel( channel, NULL, 0, &message, error); if (FAILED(hr)) { goto Exit; } // Initialize body data _PurchaseOrderType purchaseOrder; purchaseOrder.quantity = 100; purchaseOrder.productName = L"Pencil"; // Send the same message twice for (int i = 0; i < 2; i++) { // For each adapter for (IP_ADAPTER_ADDRESSES* adapterAddress = adapterAddresses; adapterAddress != NULL; adapterAddress = adapterAddress->Next) { // Only send on the loopback adapter if (adapterAddress->IfType != IF_TYPE_SOFTWARE_LOOPBACK) { continue; } // Get multicast interface index ULONG interfaceIndex = adapterAddress->Ipv6IfIndex; // Set property on channel which controls which multicast adapater address // is used when sending to a multicast address. hr = WsSetChannelProperty(channel, WS_CHANNEL_PROPERTY_MULTICAST_INTERFACE, &interfaceIndex, sizeof(interfaceIndex), error); if (FAILED(hr)) { goto Exit; } // Initialize message headers hr = WsInitializeMessage(message, WS_BLANK_MESSAGE, NULL, error); if (FAILED(hr)) { goto Exit; } // Add the action header hr = WsSetHeader( message, WS_ACTION_HEADER, WS_XML_STRING_TYPE, WS_WRITE_REQUIRED_VALUE, PurchaseOrder_wsdl.messages.PurchaseOrder.action, sizeof(*PurchaseOrder_wsdl.messages.PurchaseOrder.action), error); if (FAILED(hr)) { goto Exit; } // Add the message ID hr = WsSetHeader( message, WS_MESSAGE_ID_HEADER, WS_UNIQUE_ID_TYPE, WS_WRITE_REQUIRED_VALUE, &messageID, sizeof(messageID), error); if (FAILED(hr)) { goto Exit; } // Set the reply to address to be a anonymous URI (modeled as a 0 length URI), which // indicates to the receiver that they should reply using the source IP address. WS_ENDPOINT_ADDRESS replyTo; ZeroMemory(&replyTo, sizeof(replyTo)); hr = WsSetHeader( message, WS_REPLY_TO_HEADER, WS_ENDPOINT_ADDRESS_TYPE, WS_WRITE_REQUIRED_VALUE, &replyTo, sizeof(replyTo), error); if (FAILED(hr)) { goto Exit; } // Address the message to differ from the destination. When the message // is addressed manually, the endpoint address specified at open time // will only be used to determine the destination of the message (not // to determine the value of the To header). In this case, the message is // addressed to a stable address. WS_ENDPOINT_ADDRESS to; ZeroMemory(&to, sizeof(to)); to.url = toUrl; hr = WsAddressMessage(message, &to, error); if (FAILED(hr)) { goto Exit; } // Write the message headers hr = WsWriteMessageStart(channel, message, NULL, error); if (FAILED(hr)) { goto Exit; } // Write the body data hr = WsWriteBody( message, &PurchaseOrder_wsdl.globalElements.PurchaseOrderType, WS_WRITE_REQUIRED_VALUE, &purchaseOrder, sizeof(purchaseOrder), error); if (FAILED(hr)) { goto Exit; } // Send the entire message hr = WsWriteMessageEnd(channel, message, NULL, error); if (FAILED(hr)) { goto Exit; } // Reset message so it can used again hr = WsResetMessage(message, error); if (FAILED(hr)) { goto Exit; } } } // Wait for replies to be processed by the receiver thread Sleep(1000); Exit: if (FAILED(hr)) { // Print out the error PrintError(hr, error); } if (receiverThreadHandle != NULL) { // Abort the channel. This will cause the next receive to fail. WsAbortChannel(channel, error); // Wait for the receive thread to exit, and clean up the handle. WaitForSingleObject(receiverThreadHandle, INFINITE); CloseHandle(receiverThreadHandle); } if (channel != NULL) { // Close the channel WsCloseChannel(channel, NULL, error); } if (message != NULL) { WsFreeMessage(message); } if (channel != NULL) { WsFreeChannel(channel); } if (error != NULL) { WsFreeError(error); } if (adapterAddresses != NULL) { HeapFree(GetProcessHeap(), 0, adapterAddresses); } fflush(stdout); return SUCCEEDED(hr) ? 0 : -1; }
// Messages are sent from this thread to the relay thread DWORD WINAPI SenderThread(void* parameter) { UNREFERENCED_PARAMETER(parameter); HRESULT hr; WS_ERROR* error = NULL; WS_CHANNEL* sendChannel = NULL; WS_MESSAGE* sendMessage = NULL; // Create an error object for storing rich error information hr = WsCreateError( NULL, 0, &error); if (FAILED(hr)) { goto Exit; } // Create a TCP duplex session channel hr = WsCreateChannel(WS_CHANNEL_TYPE_DUPLEX_SESSION, WS_TCP_CHANNEL_BINDING, NULL, 0, NULL, &sendChannel, error); if (FAILED(hr)) { goto Exit; } // Initialize address of service WS_ENDPOINT_ADDRESS address; address.url = relayUrl; address.headers = NULL; address.extensions = NULL; address.identity = NULL; // Open channel to address hr = WsOpenChannel(sendChannel, &address, NULL, error); if (FAILED(hr)) { goto Exit; } hr = WsCreateMessageForChannel( sendChannel, NULL, 0, &sendMessage, error); if (FAILED(hr)) { goto Exit; } // Send some messages for (ULONG i = 0; i < 100; i++) { // Initialize send message hr = WsInitializeMessage(sendMessage, WS_BLANK_MESSAGE, NULL, error); if (FAILED(hr)) { goto Exit; } // Add the action header hr = WsSetHeader( sendMessage, WS_ACTION_HEADER, WS_XML_STRING_TYPE, WS_WRITE_REQUIRED_VALUE, PurchaseOrder_wsdl.messages.PurchaseOrder.action, sizeof(*PurchaseOrder_wsdl.messages.PurchaseOrder.action), error); if (FAILED(hr)) { goto Exit; } // Send message start hr = WsWriteMessageStart(sendChannel, sendMessage, NULL, error); if (FAILED(hr)) { goto Exit; } // Initialize purchase order _PurchaseOrderType purchaseOrderToWrite; purchaseOrderToWrite.quantity = 100; purchaseOrderToWrite.productName = L"Pencil"; // Write purchase order as the body of the message hr = WsWriteBody( sendMessage, &PurchaseOrder_wsdl.globalElements.PurchaseOrderType, WS_WRITE_REQUIRED_VALUE, &purchaseOrderToWrite, sizeof(purchaseOrderToWrite), error); if (FAILED(hr)) { goto Exit; } // Send message end hr = WsWriteMessageEnd(sendChannel, sendMessage, NULL, error); if (FAILED(hr)) { goto Exit; } // Reset message to enable reuse hr = WsResetMessage(sendMessage, error); if (FAILED(hr)) { goto Exit; } } Exit: if (FAILED(hr)) { // Print out the error PrintError(hr, error); } fflush( stdout); if (sendChannel != NULL) { // Close the channel WsCloseChannel(sendChannel, NULL, error); } if (sendMessage != NULL) { WsFreeMessage(sendMessage); } if (sendChannel != NULL) { WsFreeChannel(sendChannel); } if (error != NULL) { WsFreeError(error); } return 1; }
// Messages are relayed from the sender thread to the receiver thread by this thread DWORD WINAPI RelayThread(void* parameter) { HRESULT hr; THREADINFO* threadInfo = (THREADINFO*)parameter; HANDLE relayReadyEvent = threadInfo->event; WS_ERROR* error = NULL; WS_CHANNEL* sendChannel = NULL; WS_CHANNEL* receiveChannel = NULL; WS_MESSAGE* sendMessage = NULL; WS_MESSAGE* receiveMessage = NULL; WS_LISTENER* listener = NULL; // Create an error object for storing rich error information hr = WsCreateError( NULL, 0, &error); if (FAILED(hr)) { goto Exit; } // Create a listener hr = WsCreateListener(WS_CHANNEL_TYPE_DUPLEX_SESSION, WS_TCP_CHANNEL_BINDING, NULL, 0, NULL, &listener, error); if (FAILED(hr)) { goto Exit; } // Open listener using TCP duplex session hr = WsOpenListener(listener, &relayUrl, NULL, error); if (FAILED(hr)) { goto Exit; } // Create a TCP duplex session channel hr = WsCreateChannel(WS_CHANNEL_TYPE_DUPLEX_SESSION, WS_TCP_CHANNEL_BINDING, NULL, 0, NULL, &sendChannel, error); if (FAILED(hr)) { goto Exit; } // Initialize address of service WS_ENDPOINT_ADDRESS address; address.url = serviceUrl; address.headers = NULL; address.extensions = NULL; address.identity = NULL; // Open channel to address hr = WsOpenChannel(sendChannel, &address, NULL, error); if (FAILED(hr)) { goto Exit; } // Create a channel hr = WsCreateChannelForListener(listener, NULL, 0, &receiveChannel, error); if (FAILED(hr)) { goto Exit; } // Notify that thread is ready threadInfo->hr = NOERROR; SetEvent(relayReadyEvent); // Accept a channel from the client hr = WsAcceptChannel(listener, receiveChannel, NULL, error); if (FAILED(hr)) { goto Exit; } hr = WsCreateMessageForChannel( receiveChannel, NULL, 0, &receiveMessage, error); if (FAILED(hr)) { goto Exit; } hr = WsCreateMessageForChannel( sendChannel, NULL, 0, &sendMessage, error); if (FAILED(hr)) { goto Exit; } // Forward all messages for (;;) { // Receive start of message (headers) hr = WsReadMessageStart(receiveChannel, receiveMessage, NULL, error); if (FAILED(hr)) { goto Exit; } if (hr == WS_S_END) { // No more messages on this channel break; } // Copy headers from received message hr = WsInitializeMessage(sendMessage, WS_DUPLICATE_MESSAGE, receiveMessage, error); if (FAILED(hr)) { goto Exit; } // Send message start (headers) hr = WsWriteMessageStart(sendChannel, sendMessage, NULL, error); if (FAILED(hr)) { goto Exit; } // Get reader for receive message WS_XML_READER* xmlReader; hr = WsGetMessageProperty(receiveMessage, WS_MESSAGE_PROPERTY_BODY_READER, &xmlReader, sizeof(xmlReader), error); if (FAILED(hr)) { goto Exit; } // Get writer for send message WS_XML_WRITER* xmlWriter; hr = WsGetMessageProperty(sendMessage, WS_MESSAGE_PROPERTY_BODY_WRITER, &xmlWriter, sizeof(xmlWriter), error); if (FAILED(hr)) { goto Exit; } // Read and write contents of body for (;;) { const WS_XML_NODE* node; hr = WsGetReaderNode(xmlReader, &node, error); if (FAILED(hr)) { goto Exit; } if (node->nodeType == WS_XML_NODE_TYPE_END_ELEMENT) { break; } hr = WsCopyNode(xmlWriter, xmlReader, error); if (FAILED(hr)) { goto Exit; } } // Receive message end hr = WsReadMessageEnd(receiveChannel, receiveMessage, NULL, error); if (FAILED(hr)) { goto Exit; } // Send message end hr = WsWriteMessageEnd(sendChannel, sendMessage, NULL, error); if (FAILED(hr)) { goto Exit; } // Reset message to enable reuse hr = WsResetMessage(sendMessage, error); if (FAILED(hr)) { goto Exit; } // Reset message to enable reuse hr = WsResetMessage(receiveMessage, error); if (FAILED(hr)) { goto Exit; } } Exit: if (FAILED(hr)) { // Print out the error PrintError(hr, error); } fflush( stdout); if (sendChannel != NULL) { // Close the channel WsCloseChannel(sendChannel, NULL, error); } if (sendChannel != NULL) { WsFreeChannel(sendChannel); } if (receiveChannel != NULL) { // Close the channel WsCloseChannel(receiveChannel, NULL, error); } if (receiveChannel != NULL) { WsFreeChannel(receiveChannel); } if (listener != NULL) { // Close the listener if it was opened WsCloseListener(listener, NULL, error); } if (listener != NULL) { WsFreeListener(listener); } if (receiveMessage != NULL) { WsFreeMessage(receiveMessage); } if (sendMessage != NULL) { WsFreeMessage(sendMessage); } if (error != NULL) { WsFreeError(error); } if (FAILED(hr)) { // Notify that thread is ready threadInfo->hr = hr; SetEvent(relayReadyEvent); } return 1; }