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ws2_32: In some cases send should block until the entire buffer is sent.

This commit is contained in:
Damjan Jovanovic 2007-03-19 15:42:40 +02:00 committed by Alexandre Julliard
parent 838eb4037f
commit 665e8a5e64
2 changed files with 170 additions and 15 deletions
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74
dlls/ws2_32/socket.c
View File

@ -2873,27 +2873,71 @@ INT WINAPI WSASendTo( SOCKET s, LPWSABUF lpBuffers, DWORD dwBufferCount,
return SOCKET_ERROR;
}
if (_is_blocking(s))
*lpNumberOfBytesSent = 0;
if ( _is_blocking(s) )
{
/* FIXME: exceptfds? */
int timeout = GET_SNDTIMEO(fd);
if( !do_block(fd, POLLOUT, timeout)) {
err = WSAETIMEDOUT;
goto err_free; /* msdn says a timeout in send is fatal */
/* On a blocking non-overlapped stream socket,
* sending blocks until the entire buffer is sent. */
struct iovec *piovec = iovec;
int finish_time = GET_SNDTIMEO(fd);
if (finish_time >= 0)
finish_time += GetTickCount();
while ( dwBufferCount > 0 )
{
int timeout;
if ( finish_time >= 0 )
{
timeout = finish_time - GetTickCount();
if ( timeout < 0 )
timeout = 0;
}
else
timeout = finish_time;
/* FIXME: exceptfds? */
if( !do_block(fd, POLLOUT, timeout)) {
err = WSAETIMEDOUT;
goto err_free; /* msdn says a timeout in send is fatal */
}
n = WS2_send( fd, piovec, dwBufferCount, to, tolen, dwFlags );
if ( n == -1 )
{
err = wsaErrno();
goto err_free;
}
*lpNumberOfBytesSent += n;
while ( n > 0 )
{
if ( piovec->iov_len > n )
{
piovec->iov_base = (char*)piovec->iov_base + n;
piovec->iov_len -= n;
n = 0;
}
else
{
n -= piovec->iov_len;
--dwBufferCount;
++piovec;
}
}
}
}
n = WS2_send( fd, iovec, dwBufferCount, to, tolen, dwFlags );
if ( n == -1 )
else
{
err = wsaErrno();
if ( err == WSAEWOULDBLOCK )
_enable_event(SOCKET2HANDLE(s), FD_WRITE, 0, 0);
goto err_free;
n = WS2_send( fd, iovec, dwBufferCount, to, tolen, dwFlags );
if ( n == -1 )
{
err = wsaErrno();
if ( err == WSAEWOULDBLOCK )
_enable_event(SOCKET2HANDLE(s), FD_WRITE, 0, 0);
goto err_free;
}
*lpNumberOfBytesSent = n;
}
TRACE(" -> %i bytes\n", n);
*lpNumberOfBytesSent = n;
TRACE(" -> %i bytes\n", *lpNumberOfBytesSent);
HeapFree( GetProcessHeap(), 0, iovec );
release_sock_fd( s, fd );

111
dlls/ws2_32/tests/sock.c
View File

@ -1620,6 +1620,115 @@ static void test_inet_addr(void)
ok(addr == INADDR_NONE, "inet_addr succeeded unexpectedly\n");
}
static DWORD WINAPI drain_socket_thread(LPVOID arg)
{
char buffer[1024];
SOCKET sock = *(SOCKET*)arg;
while (recv(sock, buffer, sizeof(buffer), 0) > 0)
;
return 0;
}
static void test_send(void)
{
SOCKET src = INVALID_SOCKET;
SOCKET server = INVALID_SOCKET;
SOCKET dst = INVALID_SOCKET;
HANDLE hThread = NULL;
struct sockaddr_in addr;
int len;
const int buflen = 1024*1024;
char *buffer = NULL;
int ret;
src = socket(AF_INET, SOCK_STREAM, 0);
if (src == INVALID_SOCKET)
{
ok(0, "socket failed, error %d\n", WSAGetLastError());
goto end;
}
server = socket(AF_INET, SOCK_STREAM, 0);
if (server == INVALID_SOCKET)
{
ok(0, "socket failed, error %d\n", WSAGetLastError());
goto end;
}
memset(&addr, 0, sizeof(addr));
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = inet_addr("127.0.0.1");
ret = bind(server, (struct sockaddr*)&addr, sizeof(addr));
if (ret != 0)
{
ok(0, "bind failed, error %d\n", WSAGetLastError());
goto end;
}
len = sizeof(addr);
ret = getsockname(server, (struct sockaddr*)&addr, &len);
if (ret != 0)
{
ok(0, "getsockname failed, error %d\n", WSAGetLastError());
goto end;
}
ret = listen(server, 1);
if (ret != 0)
{
ok(0, "listen failed, error %d\n", WSAGetLastError());
goto end;
}
ret = connect(src, (struct sockaddr*)&addr, sizeof(addr));
if (ret != 0)
{
ok(0, "connect failed, error %d\n", WSAGetLastError());
goto end;
}
len = sizeof(addr);
dst = accept(server, (struct sockaddr*)&addr, &len);
if (dst == INVALID_SOCKET)
{
ok(0, "accept failed, error %d\n", WSAGetLastError());
goto end;
}
hThread = CreateThread(NULL, 0, drain_socket_thread, &dst, 0, NULL);
if (hThread == NULL)
{
ok(0, "CreateThread failed, error %d\n", GetLastError());
goto end;
}
buffer = HeapAlloc(GetProcessHeap(), 0, buflen);
if (buffer == NULL)
{
ok(0, "HeapAlloc failed, error %d\n", GetLastError());
goto end;
}
ret = send(src, buffer, buflen, 0);
if (ret >= 0)
ok(ret == buflen, "send should have sent %d bytes, but it only sent %d\n", buflen, ret);
else
ok(0, "send failed, error %d\n", WSAGetLastError());
end:
if (src != INVALID_SOCKET)
closesocket(src);
if (server != INVALID_SOCKET)
closesocket(server);
if (dst != INVALID_SOCKET)
closesocket(dst);
if (hThread != NULL)
CloseHandle(hThread);
if (buffer != NULL)
HeapFree(GetProcessHeap(), 0, buffer);
}
/**************** Main program ***************/
START_TEST( sock )
@ -1653,5 +1762,7 @@ START_TEST( sock )
test_getsockname();
test_inet_addr();
test_send();
Exit();
}