wsdapi: Populate SOAP header structure.

Signed-off-by: Owen Rudge <orudge@codeweavers.com>
Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dlls/wsdapi/soap.c

@@ -31,6 +31,54 @@ WINE_DEFAULT_DEBUG_CHANNEL(wsdapi);
 
 #define APP_MAX_DELAY                       500
 
+static const WCHAR discoveryTo[] = {
+    'u','r','n',':',
+    's','c','h','e','m','a','s','-','x','m','l','s','o','a','p','-','o','r','g',':',
+    'w','s',':','2','0','0','5',':','0','4',':',
+    'd','i','s','c','o','v','e','r','y', 0 };
+
+static const WCHAR actionHello[] = {
+    'h','t','t','p',':','/','/',
+    's','c','h','e','m','a','s','.','x','m','l','s','o','a','p','.','o','r','g','/',
+    'w','s','/','2','0','0','5','/','0','4','/',
+    'd','i','s','c','o','v','e','r','y','/',
+    'H','e','l','l','o', 0 };
+
+static BOOL create_guid(LPWSTR buffer)
+{
+    const WCHAR formatString[] = { 'u','r','n',':','u','u','i','d',':','%','s', 0 };
+
+    WCHAR* uuidString = NULL;
+    UUID uuid;
+
+    if (UuidCreate(&uuid) != RPC_S_OK)
+        return FALSE;
+
+    UuidToStringW(&uuid, (RPC_WSTR*)&uuidString);
+
+    if (uuidString == NULL)
+        return FALSE;
+
+    wsprintfW(buffer, formatString, uuidString);
+    RpcStringFreeW((RPC_WSTR*)&uuidString);
+
+    return TRUE;
+}
+
+static void populate_soap_header(WSD_SOAP_HEADER *header, LPCWSTR to, LPCWSTR action, LPCWSTR message_id,
+    WSD_APP_SEQUENCE *sequence, const WSDXML_ELEMENT *any_headers)
+{
+    ZeroMemory(header, sizeof(WSD_SOAP_HEADER));
+
+    header->To = to;
+    header->Action = action;
+    header->MessageID = message_id;
+    header->AppSequence = sequence;
+    header->AnyHeaders = (WSDXML_ELEMENT *)any_headers;
+
+    /* TODO: Implement RelatesTo, ReplyTo, From, FaultTo */
+}
+
 static HRESULT write_and_send_message(IWSDiscoveryPublisherImpl *impl, WSD_SOAP_HEADER *header, WSDXML_ELEMENT *body_element,
     struct list *discovered_namespaces, IWSDUdpAddress *remote_address, int max_initial_delay)
 {
@@ -72,8 +120,24 @@ HRESULT send_hello_message(IWSDiscoveryPublisherImpl *impl, LPCWSTR id, ULONGLON
     const WSD_URI_LIST *xaddrs_list, const WSDXML_ELEMENT *hdr_any, const WSDXML_ELEMENT *ref_param_any,
     const WSDXML_ELEMENT *endpoint_ref_any, const WSDXML_ELEMENT *any)
 {
+    WSD_SOAP_HEADER soapHeader;
+    WSD_APP_SEQUENCE sequence;
+    WCHAR message_id[64];
+    HRESULT ret = E_OUTOFMEMORY;
+
+    sequence.InstanceId = instance_id;
+    sequence.MessageNumber = msg_num;
+    sequence.SequenceId = session_id;
+
+    if (!create_guid(message_id)) goto cleanup;
+
+    populate_soap_header(&soapHeader, discoveryTo, actionHello, message_id, &sequence, hdr_any);
+
     /* TODO: Populate message body */
 
     /* Write and send the message */
-    return write_and_send_message(impl, NULL, NULL, NULL, NULL, APP_MAX_DELAY);
+    ret = write_and_send_message(impl, &soapHeader, NULL, NULL, NULL, APP_MAX_DELAY);
+
+cleanup:
+    return ret;
 }