//------------------------------------------------------------ // Copyright (c) Microsoft Corporation. All rights reserved. //------------------------------------------------------------ #ifndef UNICODE #define UNICODE #endif #include "WebServices.h" #include "process.h" #include "stdio.h" #include "string.h" #include "PurchaseOrder.wsdl.h" // Print out rich error info void PrintError( __in HRESULT errorCode, __in_opt WS_ERROR* error) { wprintf(L"Failure: errorCode=0x%lx\n", errorCode); if (errorCode == E_INVALIDARG || errorCode == WS_E_INVALID_OPERATION) { // Correct use of the APIs should never generate these errors wprintf(L"The error was due to an invalid use of an API. This is likely due to a bug in the program.\n"); DebugBreak(); } HRESULT hr = S_OK; if (error != NULL) { ULONG errorCount; hr = WsGetErrorProperty(error, WS_ERROR_PROPERTY_STRING_COUNT, &errorCount, sizeof(errorCount)); if (FAILED(hr)) { goto Exit; } for (ULONG i = 0; i < errorCount; i++) { WS_STRING string; hr = WsGetErrorString(error, i, &string); if (FAILED(hr)) { goto Exit; } wprintf(L"%.*s\n", string.length, string.chars); } } Exit: if (FAILED(hr)) { wprintf(L"Could not get error string (errorCode=0x%lx)\n", hr); } } // 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; }