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rpcrt4: Use helper for handling async call wait.

This commit is contained in:
Jacek Caban 2012-08-14 13:35:17 +02:00 committed by Alexandre Julliard
parent cba1cfc645
commit 5e6aca7955
1 changed files with 60 additions and 133 deletions
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193
dlls/rpcrt4/rpc_transport.c
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@ -1845,8 +1845,6 @@ typedef struct _RpcHttpAsyncData
LONG refs;
HANDLE completion_event;
INTERNET_BUFFERSA inet_buffers;
void *destination_buffer; /* the address that inet_buffers.lpvBuffer will be
* copied into when the call completes */
CRITICAL_SECTION cs;
} RpcHttpAsyncData;
@ -1876,6 +1874,32 @@ static void prepare_async_request(RpcHttpAsyncData *async_data)
RpcHttpAsyncData_AddRef(async_data);
}
static RPC_STATUS wait_async_request(RpcHttpAsyncData *async_data, BOOL call_ret, HANDLE cancel_event)
{
if(call_ret) {
RpcHttpAsyncData_Release(async_data);
return RPC_S_OK;
}
if(GetLastError() != ERROR_IO_PENDING) {
RpcHttpAsyncData_Release(async_data);
ERR("Request failed with error %d\n", GetLastError());
return RPC_S_SERVER_UNAVAILABLE;
}
if(cancel_event) {
HANDLE handles[2] = { async_data->completion_event, cancel_event };
DWORD res;
res = WaitForMultipleObjects(2, handles, FALSE, DEFAULT_NCACN_HTTP_TIMEOUT);
if(res != WAIT_OBJECT_0)
return RPC_S_CALL_CANCELLED;
}else {
WaitForSingleObject(async_data->completion_event, INFINITE);
}
return RPC_S_OK;
}
typedef struct _RpcConnection_http
{
RpcConnection common;
@ -1911,7 +1935,6 @@ static RpcConnection *rpcrt4_ncacn_http_alloc(void)
httpc->async_data->refs = 1;
httpc->async_data->inet_buffers.dwStructSize = sizeof(INTERNET_BUFFERSA);
httpc->async_data->inet_buffers.lpvBuffer = NULL;
httpc->async_data->destination_buffer = NULL;
InitializeCriticalSection(&httpc->async_data->cs);
httpc->async_data->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": RpcHttpAsyncData.cs");
return &httpc->common;
@ -1984,20 +2007,6 @@ static VOID WINAPI rpcrt4_http_internet_callback(
TRACE("INTERNET_STATUS_REQUEST_COMPLETED\n");
if (async_data)
{
if (async_data->inet_buffers.lpvBuffer)
{
EnterCriticalSection(&async_data->cs);
if (async_data->destination_buffer)
{
memcpy(async_data->destination_buffer,
async_data->inet_buffers.lpvBuffer,
async_data->inet_buffers.dwBufferLength);
async_data->destination_buffer = NULL;
}
LeaveCriticalSection(&async_data->cs);
}
HeapFree(GetProcessHeap(), 0, async_data->inet_buffers.lpvBuffer);
async_data->inet_buffers.lpvBuffer = NULL;
SetEvent(async_data->completion_event);
RpcHttpAsyncData_Release(async_data);
}
@ -2173,17 +2182,9 @@ static RPC_STATUS rpcrt4_http_prepare_in_pipe(HINTERNET in_request, RpcHttpAsync
/* prepare in pipe */
prepare_async_request(async_data);
ret = HttpSendRequestW(in_request, NULL, 0, NULL, 0);
if (!ret)
{
if (GetLastError() == ERROR_IO_PENDING)
WaitForSingleObject(async_data->completion_event, INFINITE);
else
{
RpcHttpAsyncData_Release(async_data);
ERR("HttpSendRequestW failed with error %d\n", GetLastError());
return RPC_S_SERVER_UNAVAILABLE;
}
}
status = wait_async_request(async_data, ret, NULL);
if(status != RPC_S_OK) return status;
status = rpcrt4_http_check_response(in_request);
if (status != RPC_S_OK) return status;
@ -2196,17 +2197,8 @@ static RPC_STATUS rpcrt4_http_prepare_in_pipe(HINTERNET in_request, RpcHttpAsync
buffers_in.dwBufferTotal = 1024 * 1024 * 1024; /* 1Gb */
prepare_async_request(async_data);
ret = HttpSendRequestExW(in_request, &buffers_in, NULL, 0, 0);
if (!ret)
{
if (GetLastError() == ERROR_IO_PENDING)
WaitForSingleObject(async_data->completion_event, INFINITE);
else
{
RpcHttpAsyncData_Release(async_data);
ERR("HttpSendRequestExW failed with error %d\n", GetLastError());
return RPC_S_SERVER_UNAVAILABLE;
}
}
status = wait_async_request(async_data, ret, NULL);
if (status != RPC_S_OK) return status;
TRACE("sending HTTP connect header to server\n");
hdr = RPCRT4_BuildHttpConnectHeader(0, FALSE, connection_uuid, in_pipe_uuid, association_uuid);
@ -2285,17 +2277,9 @@ static RPC_STATUS rpcrt4_http_prepare_out_pipe(HINTERNET out_request,
prepare_async_request(async_data);
ret = HttpSendRequestW(out_request, NULL, 0, NULL, 0);
if (!ret)
{
if (GetLastError() == ERROR_IO_PENDING)
WaitForSingleObject(async_data->completion_event, INFINITE);
else
{
RpcHttpAsyncData_Release(async_data);
ERR("HttpSendRequestW failed with error %d\n", GetLastError());
return RPC_S_SERVER_UNAVAILABLE;
}
}
status = wait_async_request(async_data, ret, NULL);
if (status != RPC_S_OK) return status;
status = rpcrt4_http_check_response(out_request);
if (status != RPC_S_OK) return status;
@ -2307,19 +2291,10 @@ static RPC_STATUS rpcrt4_http_prepare_out_pipe(HINTERNET out_request,
prepare_async_request(async_data);
ret = HttpSendRequestW(out_request, NULL, 0, hdr, hdr->common.frag_len);
if (!ret)
{
if (GetLastError() == ERROR_IO_PENDING)
WaitForSingleObject(async_data->completion_event, INFINITE);
else
{
RpcHttpAsyncData_Release(async_data);
ERR("HttpSendRequestW failed with error %d\n", GetLastError());
RPCRT4_FreeHeader(hdr);
return RPC_S_SERVER_UNAVAILABLE;
}
}
status = wait_async_request(async_data, ret, NULL);
RPCRT4_FreeHeader(hdr);
if (status != RPC_S_OK) return status;
status = rpcrt4_http_check_response(out_request);
if (status != RPC_S_OK) return status;
@ -2461,61 +2436,37 @@ static int rpcrt4_ncacn_http_read(RpcConnection *Connection,
{
RpcConnection_http *httpc = (RpcConnection_http *) Connection;
char *buf = buffer;
BOOL ret = TRUE;
BOOL ret;
unsigned int bytes_left = count;
RPC_STATUS status = RPC_S_OK;
ResetEvent(httpc->async_data->completion_event);
while (bytes_left)
{
RpcHttpAsyncData_AddRef(httpc->async_data);
httpc->async_data->inet_buffers.dwBufferLength = bytes_left;
httpc->async_data->inet_buffers.lpvBuffer = HeapAlloc(GetProcessHeap(), 0, bytes_left);
httpc->async_data->destination_buffer = buf;
prepare_async_request(httpc->async_data);
ret = InternetReadFileExA(httpc->out_request, &httpc->async_data->inet_buffers, IRF_ASYNC, 0);
if (ret)
{
/* INTERNET_STATUS_REQUEST_COMPLETED won't be sent, so release our
* async ref now */
RpcHttpAsyncData_Release(httpc->async_data);
memcpy(buf, httpc->async_data->inet_buffers.lpvBuffer,
httpc->async_data->inet_buffers.dwBufferLength);
status = wait_async_request(httpc->async_data, ret, httpc->cancel_event);
if(status != RPC_S_OK) {
if(status == RPC_S_CALL_CANCELLED)
TRACE("call cancelled\n");
HeapFree(GetProcessHeap(), 0, httpc->async_data->inet_buffers.lpvBuffer);
httpc->async_data->inet_buffers.lpvBuffer = NULL;
httpc->async_data->destination_buffer = NULL;
}
else
{
if (GetLastError() == ERROR_IO_PENDING)
{
HANDLE handles[2] = { httpc->async_data->completion_event, httpc->cancel_event };
DWORD result = WaitForMultipleObjects(2, handles, FALSE, DEFAULT_NCACN_HTTP_TIMEOUT);
if (result == WAIT_OBJECT_0)
ret = TRUE;
else
{
TRACE("call cancelled\n");
EnterCriticalSection(&httpc->async_data->cs);
httpc->async_data->destination_buffer = NULL;
LeaveCriticalSection(&httpc->async_data->cs);
break;
}
}
else
{
HeapFree(GetProcessHeap(), 0, httpc->async_data->inet_buffers.lpvBuffer);
httpc->async_data->inet_buffers.lpvBuffer = NULL;
httpc->async_data->destination_buffer = NULL;
RpcHttpAsyncData_Release(httpc->async_data);
break;
}
}
if (!httpc->async_data->inet_buffers.dwBufferLength)
break;
}
memcpy(buf, httpc->async_data->inet_buffers.lpvBuffer,
httpc->async_data->inet_buffers.dwBufferLength);
HeapFree(GetProcessHeap(), 0, httpc->async_data->inet_buffers.lpvBuffer);
httpc->async_data->inet_buffers.lpvBuffer = NULL;
if(!httpc->async_data->inet_buffers.dwBufferLength)
break;
bytes_left -= httpc->async_data->inet_buffers.dwBufferLength;
buf += httpc->async_data->inet_buffers.dwBufferLength;
}
TRACE("%p %p %u -> %s\n", httpc->out_request, buffer, count, ret ? "TRUE" : "FALSE");
return ret ? count : -1;
TRACE("%p %p %u -> %u\n", httpc->out_request, buffer, count, status);
return status == RPC_S_OK ? count : -1;
}
static RPC_STATUS rpcrt4_ncacn_http_receive_fragment(RpcConnection *Connection, RpcPktHdr **Header, void **Payload)
@ -2723,39 +2674,15 @@ static void rpcrt4_ncacn_http_cancel_call(RpcConnection *Connection)
static int rpcrt4_ncacn_http_wait_for_incoming_data(RpcConnection *Connection)
{
BOOL ret;
RpcConnection_http *httpc = (RpcConnection_http *) Connection;
BOOL ret;
RPC_STATUS status;
RpcHttpAsyncData_AddRef(httpc->async_data);
prepare_async_request(httpc->async_data);
ret = InternetQueryDataAvailable(httpc->out_request,
&httpc->async_data->inet_buffers.dwBufferLength, IRF_ASYNC, 0);
if (ret)
{
/* INTERNET_STATUS_REQUEST_COMPLETED won't be sent, so release our
* async ref now */
RpcHttpAsyncData_Release(httpc->async_data);
}
else
{
if (GetLastError() == ERROR_IO_PENDING)
{
HANDLE handles[2] = { httpc->async_data->completion_event, httpc->cancel_event };
DWORD result = WaitForMultipleObjects(2, handles, FALSE, DEFAULT_NCACN_HTTP_TIMEOUT);
if (result != WAIT_OBJECT_0)
{
TRACE("call cancelled\n");
return -1;
}
}
else
{
RpcHttpAsyncData_Release(httpc->async_data);
return -1;
}
}
/* success */
return 0;
status = wait_async_request(httpc->async_data, ret, httpc->cancel_event);
return status == RPC_S_OK ? 0 : -1;
}
static size_t rpcrt4_ncacn_http_get_top_of_tower(unsigned char *tower_data,