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Diffstat (limited to 'Utilities/cmlibuv/src/win/udp.c')
-rw-r--r--Utilities/cmlibuv/src/win/udp.c95
1 files changed, 46 insertions, 49 deletions
diff --git a/Utilities/cmlibuv/src/win/udp.c b/Utilities/cmlibuv/src/win/udp.c
index cd1d0e0..37df849 100644
--- a/Utilities/cmlibuv/src/win/udp.c
+++ b/Utilities/cmlibuv/src/win/udp.c
@@ -74,8 +74,8 @@ static int uv_udp_set_socket(uv_loop_t* loop, uv_udp_t* handle, SOCKET socket,
return GetLastError();
}
- /* Associate it with the I/O completion port. */
- /* Use uv_handle_t pointer as completion key. */
+ /* Associate it with the I/O completion port. Use uv_handle_t pointer as
+ * completion key. */
if (CreateIoCompletionPort((HANDLE)socket,
loop->iocp,
(ULONG_PTR)socket,
@@ -83,31 +83,28 @@ static int uv_udp_set_socket(uv_loop_t* loop, uv_udp_t* handle, SOCKET socket,
return GetLastError();
}
- if (pSetFileCompletionNotificationModes) {
- /* All known Windows that support SetFileCompletionNotificationModes */
- /* have a bug that makes it impossible to use this function in */
- /* conjunction with datagram sockets. We can work around that but only */
- /* if the user is using the default UDP driver (AFD) and has no other */
- /* LSPs stacked on top. Here we check whether that is the case. */
- opt_len = (int) sizeof info;
- if (getsockopt(socket,
- SOL_SOCKET,
- SO_PROTOCOL_INFOW,
- (char*) &info,
- &opt_len) == SOCKET_ERROR) {
- return GetLastError();
- }
+ /* All known Windows that support SetFileCompletionNotificationModes have a
+ * bug that makes it impossible to use this function in conjunction with
+ * datagram sockets. We can work around that but only if the user is using
+ * the default UDP driver (AFD) and has no other. LSPs stacked on top. Here
+ * we check whether that is the case. */
+ opt_len = (int) sizeof info;
+ if (getsockopt(
+ socket, SOL_SOCKET, SO_PROTOCOL_INFOW, (char*) &info, &opt_len) ==
+ SOCKET_ERROR) {
+ return GetLastError();
+ }
- if (info.ProtocolChain.ChainLen == 1) {
- if (pSetFileCompletionNotificationModes((HANDLE)socket,
- FILE_SKIP_SET_EVENT_ON_HANDLE |
- FILE_SKIP_COMPLETION_PORT_ON_SUCCESS)) {
- handle->flags |= UV_HANDLE_SYNC_BYPASS_IOCP;
- handle->func_wsarecv = uv_wsarecv_workaround;
- handle->func_wsarecvfrom = uv_wsarecvfrom_workaround;
- } else if (GetLastError() != ERROR_INVALID_FUNCTION) {
- return GetLastError();
- }
+ if (info.ProtocolChain.ChainLen == 1) {
+ if (SetFileCompletionNotificationModes(
+ (HANDLE) socket,
+ FILE_SKIP_SET_EVENT_ON_HANDLE |
+ FILE_SKIP_COMPLETION_PORT_ON_SUCCESS)) {
+ handle->flags |= UV_HANDLE_SYNC_BYPASS_IOCP;
+ handle->func_wsarecv = uv_wsarecv_workaround;
+ handle->func_wsarecvfrom = uv_wsarecvfrom_workaround;
+ } else if (GetLastError() != ERROR_INVALID_FUNCTION) {
+ return GetLastError();
}
}
@@ -191,7 +188,7 @@ void uv_udp_close(uv_loop_t* loop, uv_udp_t* handle) {
void uv_udp_endgame(uv_loop_t* loop, uv_udp_t* handle) {
- if (handle->flags & UV__HANDLE_CLOSING &&
+ if (handle->flags & UV_HANDLE_CLOSING &&
handle->reqs_pending == 0) {
assert(!(handle->flags & UV_HANDLE_CLOSED));
uv__handle_close(handle);
@@ -245,12 +242,12 @@ static int uv_udp_maybe_bind(uv_udp_t* handle,
handle->flags |= UV_HANDLE_IPV6;
if (addr->sa_family == AF_INET6 && !(flags & UV_UDP_IPV6ONLY)) {
- /* On windows IPV6ONLY is on by default. */
- /* If the user doesn't specify it libuv turns it off. */
+ /* On windows IPV6ONLY is on by default. If the user doesn't specify it
+ * libuv turns it off. */
- /* TODO: how to handle errors? This may fail if there is no ipv4 stack */
- /* available, or when run on XP/2003 which have no support for dualstack */
- /* sockets. For now we're silently ignoring the error. */
+ /* TODO: how to handle errors? This may fail if there is no ipv4 stack
+ * available, or when run on XP/2003 which have no support for dualstack
+ * sockets. For now we're silently ignoring the error. */
setsockopt(handle->socket,
IPPROTO_IPV6,
IPV6_V6ONLY,
@@ -369,7 +366,7 @@ int uv__udp_recv_start(uv_udp_t* handle, uv_alloc_cb alloc_cb,
int err;
if (handle->flags & UV_HANDLE_READING) {
- return WSAEALREADY;
+ return UV_EALREADY;
}
err = uv_udp_maybe_bind(handle,
@@ -377,7 +374,7 @@ int uv__udp_recv_start(uv_udp_t* handle, uv_alloc_cb alloc_cb,
sizeof(uv_addr_ip4_any_),
0);
if (err)
- return err;
+ return uv_translate_sys_error(err);
handle->flags |= UV_HANDLE_READING;
INCREASE_ACTIVE_COUNT(loop, handle);
@@ -386,8 +383,8 @@ int uv__udp_recv_start(uv_udp_t* handle, uv_alloc_cb alloc_cb,
handle->recv_cb = recv_cb;
handle->alloc_cb = alloc_cb;
- /* If reading was stopped and then started again, there could still be a */
- /* recv request pending. */
+ /* If reading was stopped and then started again, there could still be a recv
+ * request pending. */
if (!(handle->flags & UV_HANDLE_READ_PENDING))
uv_udp_queue_recv(loop, handle);
@@ -467,19 +464,19 @@ void uv_process_udp_recv_req(uv_loop_t* loop, uv_udp_t* handle,
if (!REQ_SUCCESS(req)) {
DWORD err = GET_REQ_SOCK_ERROR(req);
if (err == WSAEMSGSIZE) {
- /* Not a real error, it just indicates that the received packet */
- /* was bigger than the receive buffer. */
+ /* Not a real error, it just indicates that the received packet was
+ * bigger than the receive buffer. */
} else if (err == WSAECONNRESET || err == WSAENETRESET) {
- /* A previous sendto operation failed; ignore this error. If */
- /* zero-reading we need to call WSARecv/WSARecvFrom _without_ the */
- /* MSG_PEEK flag to clear out the error queue. For nonzero reads, */
- /* immediately queue a new receive. */
+ /* A previous sendto operation failed; ignore this error. If zero-reading
+ * we need to call WSARecv/WSARecvFrom _without_ the. MSG_PEEK flag to
+ * clear out the error queue. For nonzero reads, immediately queue a new
+ * receive. */
if (!(handle->flags & UV_HANDLE_ZERO_READ)) {
goto done;
}
} else {
- /* A real error occurred. Report the error to the user only if we're */
- /* currently reading. */
+ /* A real error occurred. Report the error to the user only if we're
+ * currently reading. */
if (handle->flags & UV_HANDLE_READING) {
uv_udp_recv_stop(handle);
buf = (handle->flags & UV_HANDLE_ZERO_READ) ?
@@ -503,8 +500,8 @@ void uv_process_udp_recv_req(uv_loop_t* loop, uv_udp_t* handle,
struct sockaddr_storage from;
int from_len;
- /* Do a nonblocking receive */
- /* TODO: try to read multiple datagrams at once. FIONREAD maybe? */
+ /* Do a nonblocking receive.
+ * TODO: try to read multiple datagrams at once. FIONREAD maybe? */
buf = uv_buf_init(NULL, 0);
handle->alloc_cb((uv_handle_t*) handle, 65536, &buf);
if (buf.base == NULL || buf.len == 0) {
@@ -741,7 +738,7 @@ int uv_udp_set_multicast_interface(uv_udp_t* handle, const char* interface_addr)
return UV_EINVAL;
}
- if (!(handle->flags & UV_HANDLE_BOUND))
+ if (handle->socket == INVALID_SOCKET)
return UV_EBADF;
if (addr_st.ss_family == AF_INET) {
@@ -772,7 +769,7 @@ int uv_udp_set_multicast_interface(uv_udp_t* handle, const char* interface_addr)
int uv_udp_set_broadcast(uv_udp_t* handle, int value) {
BOOL optval = (BOOL) value;
- if (!(handle->flags & UV_HANDLE_BOUND))
+ if (handle->socket == INVALID_SOCKET)
return UV_EBADF;
if (setsockopt(handle->socket,
@@ -818,7 +815,7 @@ int uv_udp_open(uv_udp_t* handle, uv_os_sock_t sock) {
return UV_EINVAL; \
} \
\
- if (!(handle->flags & UV_HANDLE_BOUND)) \
+ if (handle->socket == INVALID_SOCKET) \
return UV_EBADF; \
\
if (!(handle->flags & UV_HANDLE_IPV6)) { \
generated by cgit v0.12 at 2024-12-26 22:08:52 (GMT)