static void uv_tcp_queue_accept(uv_tcp_t* handle, uv_tcp_accept_t* req) {
uv_loop_t* loop = handle->loop;
BOOL success;
DWORD bytes;
SOCKET accept_socket;
short family;
LPFN_ACCEPTEX pAcceptExFamily;
assert(handle->flags & UV_HANDLE_LISTENING);
assert(req->accept_socket == INVALID_SOCKET);
/* choose family and extension function */
if ((handle->flags & UV_HANDLE_IPV6) != 0) {
family = AF_INET6;
pAcceptExFamily = pAcceptEx6;
} else {
family = AF_INET;
pAcceptExFamily = pAcceptEx;
}
/* Open a socket for the accepted connection. */
accept_socket = socket(family, SOCK_STREAM, 0);
if (accept_socket == INVALID_SOCKET) {
SET_REQ_ERROR(req, WSAGetLastError());
uv_insert_pending_req(loop, (uv_req_t*)req);
handle->reqs_pending++;
return;
}
/* Prepare the overlapped structure. */
memset(&(req->overlapped), 0, sizeof(req->overlapped));
success = pAcceptExFamily(handle->socket,
accept_socket,
(void*)req->accept_buffer,
0,
sizeof(struct sockaddr_storage),
sizeof(struct sockaddr_storage),
&bytes,
&req->overlapped);
if (UV_SUCCEEDED_WITHOUT_IOCP(success)) {
/* Process the req without IOCP. */
req->accept_socket = accept_socket;
handle->reqs_pending++;
uv_insert_pending_req(loop, (uv_req_t*)req);
} else if (UV_SUCCEEDED_WITH_IOCP(success)) {
/* The req will be processed with IOCP. */
req->accept_socket = accept_socket;
handle->reqs_pending++;
} else {
/* Make this req pending reporting an error. */
SET_REQ_ERROR(req, WSAGetLastError());
uv_insert_pending_req(loop, (uv_req_t*)req);
handle->reqs_pending++;
/* Destroy the preallocated client socket. */
closesocket(accept_socket);
}
}
int uv_tcp_write(uv_loop_t* loop, uv_write_t* req, uv_tcp_t* handle,
uv_buf_t bufs[], int bufcnt, uv_write_cb cb) {
int result;
DWORD bytes;
uv_req_init(loop, (uv_req_t*) req);
req->type = UV_WRITE;
req->handle = (uv_stream_t*) handle;
req->cb = cb;
memset(&req->overlapped, 0, sizeof(req->overlapped));
/* Prepare the overlapped structure. */
memset(&(req->overlapped), 0, sizeof(req->overlapped));
if (handle->flags & UV_HANDLE_EMULATE_IOCP) {
req->event_handle = CreateEvent(NULL, 0, 0, NULL);
if (!req->event_handle) {
uv_fatal_error(GetLastError(), "CreateEvent");
}
req->overlapped.hEvent = (HANDLE) ((ULONG_PTR) req->event_handle | 1);
req->wait_handle = INVALID_HANDLE_VALUE;
}
result = WSASend(handle->socket,
(WSABUF*)bufs,
bufcnt,
&bytes,
0,
&req->overlapped,
NULL);
if (UV_SUCCEEDED_WITHOUT_IOCP(result == 0)) {
/* Request completed immediately. */
req->queued_bytes = 0;
handle->reqs_pending++;
handle->write_reqs_pending++;
REGISTER_HANDLE_REQ(loop, handle, req);
uv_insert_pending_req(loop, (uv_req_t*) req);
} else if (UV_SUCCEEDED_WITH_IOCP(result == 0)) {
/* Request queued by the kernel. */
req->queued_bytes = uv_count_bufs(bufs, bufcnt);
handle->reqs_pending++;
handle->write_reqs_pending++;
REGISTER_HANDLE_REQ(loop, handle, req);
handle->write_queue_size += req->queued_bytes;
if (handle->flags & UV_HANDLE_EMULATE_IOCP &&
!RegisterWaitForSingleObject(&req->wait_handle,
req->event_handle, post_write_completion, (void*) req,
INFINITE, WT_EXECUTEINWAITTHREAD | WT_EXECUTEONLYONCE)) {
SET_REQ_ERROR(req, GetLastError());
uv_insert_pending_req(loop, (uv_req_t*)req);
}
} else {
/* Send failed due to an error. */
uv__set_sys_error(loop, WSAGetLastError());
return -1;
}
return 0;
}
int uv__tcp_connect6(uv_connect_t* req,
uv_tcp_t* handle,
struct sockaddr_in6 address,
uv_connect_cb cb) {
uv_loop_t* loop = handle->loop;
int addrsize = sizeof(struct sockaddr_in6);
BOOL success;
DWORD bytes;
if (!uv_allow_ipv6) {
uv__set_sys_error(loop, WSAEAFNOSUPPORT);
return -1;
}
if (handle->flags & UV_HANDLE_BIND_ERROR) {
uv__set_sys_error(loop, handle->bind_error);
return -1;
}
if (!(handle->flags & UV_HANDLE_BOUND) &&
uv_tcp_bind6(handle, uv_addr_ip6_any_) < 0)
return -1;
if (!handle->func_connectex) {
if(!uv_get_connectex_function(handle->socket, &handle->func_connectex)) {
uv__set_sys_error(loop, WSAEAFNOSUPPORT);
return -1;
}
}
uv_req_init(loop, (uv_req_t*) req);
req->type = UV_CONNECT;
req->handle = (uv_stream_t*) handle;
req->cb = cb;
memset(&req->overlapped, 0, sizeof(req->overlapped));
success = handle->func_connectex(handle->socket,
(struct sockaddr*) &address,
addrsize,
NULL,
0,
&bytes,
&req->overlapped);
if (UV_SUCCEEDED_WITHOUT_IOCP(success)) {
handle->reqs_pending++;
uv_ref(loop);
uv_insert_pending_req(loop, (uv_req_t*)req);
} else if (UV_SUCCEEDED_WITH_IOCP(success)) {
handle->reqs_pending++;
uv_ref(loop);
} else {
uv__set_sys_error(loop, WSAGetLastError());
return -1;
}
return 0;
}
int uv__tcp_connect(uv_connect_t* req,
uv_tcp_t* handle,
struct sockaddr_in address,
uv_connect_cb cb) {
uv_loop_t* loop = handle->loop;
int addrsize = sizeof(struct sockaddr_in);
BOOL success;
DWORD bytes;
int err;
if (handle->flags & UV_HANDLE_BIND_ERROR) {
return handle->bind_error;
}
if (!(handle->flags & UV_HANDLE_BOUND)) {
err = uv_tcp_bind(handle, uv_addr_ip4_any_);
if (err)
return err;
}
if (!handle->func_connectex) {
if (!uv_get_connectex_function(handle->socket, &handle->func_connectex)) {
return WSAEAFNOSUPPORT;
}
}
uv_req_init(loop, (uv_req_t*) req);
req->type = UV_CONNECT;
req->handle = (uv_stream_t*) handle;
req->cb = cb;
memset(&req->overlapped, 0, sizeof(req->overlapped));
success = handle->func_connectex(handle->socket,
(struct sockaddr*) &address,
addrsize,
NULL,
0,
&bytes,
&req->overlapped);
if (UV_SUCCEEDED_WITHOUT_IOCP(success)) {
/* Process the req without IOCP. */
handle->reqs_pending++;
REGISTER_HANDLE_REQ(loop, handle, req);
uv_insert_pending_req(loop, (uv_req_t*)req);
} else if (UV_SUCCEEDED_WITH_IOCP(success)) {
/* The req will be processed with IOCP. */
handle->reqs_pending++;
REGISTER_HANDLE_REQ(loop, handle, req);
} else {
return WSAGetLastError();
}
return 0;
}
static void uv_tcp_queue_read(uv_loop_t* loop, uv_tcp_t* handle) {
uv_read_t* req;
uv_buf_t buf;
int result;
DWORD bytes, flags;
assert(handle->flags & UV_HANDLE_READING);
assert(!(handle->flags & UV_HANDLE_READ_PENDING));
req = &handle->read_req;
memset(&req->overlapped, 0, sizeof(req->overlapped));
/*
* Preallocate a read buffer if the number of active streams is below
* the threshold.
*/
if (active_tcp_streams < uv_active_tcp_streams_threshold) {
handle->flags &= ~UV_HANDLE_ZERO_READ;
handle->read_buffer = handle->alloc_cb((uv_handle_t*) handle, 65536);
assert(handle->read_buffer.len > 0);
buf = handle->read_buffer;
} else {
handle->flags |= UV_HANDLE_ZERO_READ;
buf.base = (char*) &uv_zero_;
buf.len = 0;
}
flags = 0;
result = WSARecv(handle->socket,
(WSABUF*)&buf,
1,
&bytes,
&flags,
&req->overlapped,
NULL);
if (UV_SUCCEEDED_WITHOUT_IOCP(result == 0)) {
/* Process the req without IOCP. */
handle->flags |= UV_HANDLE_READ_PENDING;
req->overlapped.InternalHigh = bytes;
handle->reqs_pending++;
uv_insert_pending_req(loop, (uv_req_t*)req);
} else if (UV_SUCCEEDED_WITH_IOCP(result == 0)) {
/* The req will be processed with IOCP. */
handle->flags |= UV_HANDLE_READ_PENDING;
handle->reqs_pending++;
} else {
/* Make this req pending reporting an error. */
SET_REQ_ERROR(req, WSAGetLastError());
uv_insert_pending_req(loop, (uv_req_t*)req);
handle->reqs_pending++;
}
}
int uv_tcp_connect6(uv_connect_t* req, uv_tcp_t* handle,
struct sockaddr_in6 address, uv_connect_cb cb) {
int addrsize = sizeof(struct sockaddr_in6);
BOOL success;
DWORD bytes;
if (!uv_allow_ipv6) {
uv_new_sys_error(WSAEAFNOSUPPORT);
return -1;
}
if (handle->flags & UV_HANDLE_BIND_ERROR) {
LOOP->last_error = handle->error;
return -1;
}
if (address.sin6_family != AF_INET6) {
uv_set_sys_error(WSAEFAULT);
return -1;
}
if (!(handle->flags & UV_HANDLE_BOUND) &&
uv_tcp_bind6(handle, uv_addr_ip6_any_) < 0)
return -1;
uv_req_init((uv_req_t*) req);
req->type = UV_CONNECT;
req->handle = (uv_stream_t*) handle;
req->cb = cb;
memset(&req->overlapped, 0, sizeof(req->overlapped));
success = pConnectEx6(handle->socket,
(struct sockaddr*) &address,
addrsize,
NULL,
0,
&bytes,
&req->overlapped);
if (UV_SUCCEEDED_WITHOUT_IOCP(success)) {
handle->reqs_pending++;
uv_insert_pending_req((uv_req_t*)req);
} else if (UV_SUCCEEDED_WITH_IOCP(success)) {
handle->reqs_pending++;
} else {
uv_set_sys_error(WSAGetLastError());
return -1;
}
return 0;
}
int uv_tcp_write(uv_loop_t* loop, uv_write_t* req, uv_tcp_t* handle,
uv_buf_t bufs[], int bufcnt, uv_write_cb cb) {
int result;
DWORD bytes;
if (!(handle->flags & UV_HANDLE_CONNECTION)) {
uv__set_sys_error(loop, WSAEINVAL);
return -1;
}
if (handle->flags & UV_HANDLE_SHUTTING) {
uv__set_sys_error(loop, WSAESHUTDOWN);
return -1;
}
uv_req_init(loop, (uv_req_t*) req);
req->type = UV_WRITE;
req->handle = (uv_stream_t*) handle;
req->cb = cb;
memset(&req->overlapped, 0, sizeof(req->overlapped));
result = WSASend(handle->socket,
(WSABUF*)bufs,
bufcnt,
&bytes,
0,
&req->overlapped,
NULL);
if (UV_SUCCEEDED_WITHOUT_IOCP(result == 0)) {
/* Request completed immediately. */
req->queued_bytes = 0;
handle->reqs_pending++;
handle->write_reqs_pending++;
uv_insert_pending_req(loop, (uv_req_t*) req);
} else if (UV_SUCCEEDED_WITH_IOCP(result == 0)) {
/* Request queued by the kernel. */
req->queued_bytes = uv_count_bufs(bufs, bufcnt);
handle->reqs_pending++;
handle->write_reqs_pending++;
handle->write_queue_size += req->queued_bytes;
} else {
/* Send failed due to an error. */
uv__set_sys_error(loop, WSAGetLastError());
return -1;
}
return 0;
}
int uv_tcp_connect(uv_connect_t* req, uv_tcp_t* handle,
struct sockaddr_in address, uv_connect_cb cb) {
uv_loop_t* loop = handle->loop;
int addrsize = sizeof(struct sockaddr_in);
BOOL success;
DWORD bytes;
if (handle->flags & UV_HANDLE_BIND_ERROR) {
loop->last_error = handle->bind_error;
return -1;
}
if (address.sin_family != AF_INET) {
uv_set_sys_error(loop, WSAEFAULT);
return -1;
}
if (!(handle->flags & UV_HANDLE_BOUND) &&
uv_tcp_bind(handle, uv_addr_ip4_any_) < 0)
return -1;
uv_req_init(loop, (uv_req_t*) req);
req->type = UV_CONNECT;
req->handle = (uv_stream_t*) handle;
req->cb = cb;
memset(&req->overlapped, 0, sizeof(req->overlapped));
success = pConnectEx(handle->socket,
(struct sockaddr*) &address,
addrsize,
NULL,
0,
&bytes,
&req->overlapped);
if (UV_SUCCEEDED_WITHOUT_IOCP(success)) {
/* Process the req without IOCP. */
handle->reqs_pending++;
uv_insert_pending_req(loop, (uv_req_t*)req);
} else if (UV_SUCCEEDED_WITH_IOCP(success)) {
/* The req will be processed with IOCP. */
handle->reqs_pending++;
} else {
uv_set_sys_error(loop, WSAGetLastError());
return -1;
}
return 0;
}
static int uv__send(uv_udp_send_t* req,
uv_udp_t* handle,
const uv_buf_t bufs[],
unsigned int nbufs,
const struct sockaddr* addr,
unsigned int addrlen,
uv_udp_send_cb cb) {
uv_loop_t* loop = handle->loop;
DWORD result, bytes;
uv_req_init(loop, (uv_req_t*) req);
req->type = UV_UDP_SEND;
req->handle = handle;
req->cb = cb;
memset(&req->u.io.overlapped, 0, sizeof(req->u.io.overlapped));
result = WSASendTo(handle->socket,
(WSABUF*)bufs,
nbufs,
&bytes,
0,
addr,
addrlen,
&req->u.io.overlapped,
NULL);
if (UV_SUCCEEDED_WITHOUT_IOCP(result == 0)) {
/* Request completed immediately. */
req->u.io.queued_bytes = 0;
handle->reqs_pending++;
handle->send_queue_size += req->u.io.queued_bytes;
handle->send_queue_count++;
REGISTER_HANDLE_REQ(loop, handle, req);
uv_insert_pending_req(loop, (uv_req_t*)req);
} else if (UV_SUCCEEDED_WITH_IOCP(result == 0)) {
/* Request queued by the kernel. */
req->u.io.queued_bytes = uv__count_bufs(bufs, nbufs);
handle->reqs_pending++;
handle->send_queue_size += req->u.io.queued_bytes;
handle->send_queue_count++;
REGISTER_HANDLE_REQ(loop, handle, req);
} else {
/* Send failed due to an error. */
return WSAGetLastError();
}
return 0;
}
static void uv_udp_queue_recv(uv_loop_t* loop, uv_udp_t* handle) {
uv_req_t* req;
uv_buf_t buf;
DWORD bytes, flags;
int result;
assert(handle->flags & UV_HANDLE_READING);
assert(!(handle->flags & UV_HANDLE_READ_PENDING));
req = &handle->recv_req;
memset(&req->u.io.overlapped, 0, sizeof(req->u.io.overlapped));
handle->flags |= UV_HANDLE_ZERO_READ;
buf.base = "";
buf.len = 0;
flags = MSG_PEEK;
result = handle->func_wsarecv(handle->socket,
(WSABUF*) &buf,
1,
&bytes,
&flags,
&req->u.io.overlapped,
NULL);
if (UV_SUCCEEDED_WITHOUT_IOCP(result == 0)) {
/* Process the req without IOCP. */
handle->flags |= UV_HANDLE_READ_PENDING;
req->u.io.overlapped.InternalHigh = bytes;
handle->reqs_pending++;
uv_insert_pending_req(loop, req);
} else if (UV_SUCCEEDED_WITH_IOCP(result == 0)) {
/* The req will be processed with IOCP. */
handle->flags |= UV_HANDLE_READ_PENDING;
handle->reqs_pending++;
} else {
/* Make this req pending reporting an error. */
SET_REQ_ERROR(req, WSAGetLastError());
uv_insert_pending_req(loop, req);
handle->reqs_pending++;
}
}
static int uv__udp_send(uv_udp_send_t* req, uv_udp_t* handle, uv_buf_t bufs[],
int bufcnt, struct sockaddr* addr, int addr_len, uv_udp_send_cb cb) {
uv_loop_t* loop = handle->loop;
DWORD result, bytes;
uv_req_init(loop, (uv_req_t*) req);
req->type = UV_UDP_SEND;
req->handle = handle;
req->cb = cb;
memset(&req->overlapped, 0, sizeof(req->overlapped));
result = WSASendTo(handle->socket,
(WSABUF*)bufs,
bufcnt,
&bytes,
0,
addr,
addr_len,
&req->overlapped,
NULL);
if (UV_SUCCEEDED_WITHOUT_IOCP(result == 0)) {
/* Request completed immediately. */
req->queued_bytes = 0;
handle->reqs_pending++;
uv_ref(loop);
uv_insert_pending_req(loop, (uv_req_t*)req);
} else if (UV_SUCCEEDED_WITH_IOCP(result == 0)) {
/* Request queued by the kernel. */
req->queued_bytes = uv_count_bufs(bufs, bufcnt);
handle->reqs_pending++;
uv_ref(loop);
} else {
/* Send failed due to an error. */
uv__set_sys_error(loop, WSAGetLastError());
return -1;
}
return 0;
}
static void uv_udp_queue_recv(uv_loop_t* loop, uv_udp_t* handle) {
uv_req_t* req;
uv_buf_t buf;
DWORD bytes, flags;
int result;
assert(handle->flags & UV_HANDLE_READING);
assert(!(handle->flags & UV_HANDLE_READ_PENDING));
req = &handle->recv_req;
memset(&req->u.io.overlapped, 0, sizeof(req->u.io.overlapped));
/*
* Preallocate a read buffer if the number of active streams is below
* the threshold.
*/
if (loop->active_udp_streams < uv_active_udp_streams_threshold) {
handle->flags &= ~UV_HANDLE_ZERO_READ;
handle->recv_buffer = uv_buf_init(NULL, 0);
handle->alloc_cb((uv_handle_t*) handle, 65536, &handle->recv_buffer);
if (handle->recv_buffer.base == NULL || handle->recv_buffer.len == 0) {
handle->recv_cb(handle, UV_ENOBUFS, &handle->recv_buffer, NULL, 0);
return;
}
assert(handle->recv_buffer.base != NULL);
buf = handle->recv_buffer;
memset(&handle->recv_from, 0, sizeof handle->recv_from);
handle->recv_from_len = sizeof handle->recv_from;
flags = 0;
result = handle->func_wsarecvfrom(handle->socket,
(WSABUF*) &buf,
1,
&bytes,
&flags,
(struct sockaddr*) &handle->recv_from,
&handle->recv_from_len,
&req->u.io.overlapped,
NULL);
if (UV_SUCCEEDED_WITHOUT_IOCP(result == 0)) {
/* Process the req without IOCP. */
handle->flags |= UV_HANDLE_READ_PENDING;
req->u.io.overlapped.InternalHigh = bytes;
handle->reqs_pending++;
uv_insert_pending_req(loop, req);
} else if (UV_SUCCEEDED_WITH_IOCP(result == 0)) {
/* The req will be processed with IOCP. */
handle->flags |= UV_HANDLE_READ_PENDING;
handle->reqs_pending++;
} else {
/* Make this req pending reporting an error. */
SET_REQ_ERROR(req, WSAGetLastError());
uv_insert_pending_req(loop, req);
handle->reqs_pending++;
}
} else {
handle->flags |= UV_HANDLE_ZERO_READ;
buf.base = (char*) uv_zero_;
buf.len = 0;
flags = MSG_PEEK;
result = handle->func_wsarecv(handle->socket,
(WSABUF*) &buf,
1,
&bytes,
&flags,
&req->u.io.overlapped,
NULL);
if (UV_SUCCEEDED_WITHOUT_IOCP(result == 0)) {
/* Process the req without IOCP. */
handle->flags |= UV_HANDLE_READ_PENDING;
req->u.io.overlapped.InternalHigh = bytes;
handle->reqs_pending++;
uv_insert_pending_req(loop, req);
} else if (UV_SUCCEEDED_WITH_IOCP(result == 0)) {
/* The req will be processed with IOCP. */
handle->flags |= UV_HANDLE_READ_PENDING;
handle->reqs_pending++;
} else {
/* Make this req pending reporting an error. */
SET_REQ_ERROR(req, WSAGetLastError());
uv_insert_pending_req(loop, req);
handle->reqs_pending++;
}
}
}
static void uv_tcp_queue_read(uv_loop_t* loop, uv_tcp_t* handle) {
uv_read_t* req;
uv_buf_t buf;
int result;
DWORD bytes, flags;
assert(handle->flags & UV_HANDLE_READING);
assert(!(handle->flags & UV_HANDLE_READ_PENDING));
req = &handle->read_req;
memset(&req->overlapped, 0, sizeof(req->overlapped));
/*
* Preallocate a read buffer if the number of active streams is below
* the threshold.
*/
if (loop->active_tcp_streams < uv_active_tcp_streams_threshold) {
handle->flags &= ~UV_HANDLE_ZERO_READ;
handle->alloc_cb((uv_handle_t*) handle, 65536, &handle->read_buffer);
if (handle->read_buffer.len == 0) {
handle->read_cb((uv_stream_t*) handle, UV_ENOBUFS, &handle->read_buffer);
return;
}
assert(handle->read_buffer.base != NULL);
buf = handle->read_buffer;
} else {
handle->flags |= UV_HANDLE_ZERO_READ;
buf.base = (char*) &uv_zero_;
buf.len = 0;
}
/* Prepare the overlapped structure. */
memset(&(req->overlapped), 0, sizeof(req->overlapped));
if (handle->flags & UV_HANDLE_EMULATE_IOCP) {
assert(req->event_handle);
req->overlapped.hEvent = (HANDLE) ((DWORD) req->event_handle | 1);
}
flags = 0;
result = WSARecv(handle->socket,
(WSABUF*)&buf,
1,
&bytes,
&flags,
&req->overlapped,
NULL);
if (UV_SUCCEEDED_WITHOUT_IOCP(result == 0)) {
/* Process the req without IOCP. */
handle->flags |= UV_HANDLE_READ_PENDING;
req->overlapped.InternalHigh = bytes;
handle->reqs_pending++;
uv_insert_pending_req(loop, (uv_req_t*)req);
} else if (UV_SUCCEEDED_WITH_IOCP(result == 0)) {
/* The req will be processed with IOCP. */
handle->flags |= UV_HANDLE_READ_PENDING;
handle->reqs_pending++;
if (handle->flags & UV_HANDLE_EMULATE_IOCP &&
req->wait_handle == INVALID_HANDLE_VALUE &&
!pRegisterWaitForSingleObject(&req->wait_handle,
req->event_handle, post_completion, (void*) req,
INFINITE, WT_EXECUTEINWAITTHREAD)) {
SET_REQ_ERROR(req, GetLastError());
uv_insert_pending_req(loop, (uv_req_t*)req);
}
} else {
/* Make this req pending reporting an error. */
SET_REQ_ERROR(req, WSAGetLastError());
uv_insert_pending_req(loop, (uv_req_t*)req);
handle->reqs_pending++;
}
}
static void uv_tcp_queue_accept(uv_tcp_t* handle, uv_tcp_accept_t* req) {
uv_loop_t* loop = handle->loop;
BOOL success;
DWORD bytes;
SOCKET accept_socket;
short family;
assert(handle->flags & UV_HANDLE_LISTENING);
assert(req->accept_socket == INVALID_SOCKET);
/* choose family and extension function */
if (handle->flags & UV_HANDLE_IPV6) {
family = AF_INET6;
} else {
family = AF_INET;
}
/* Open a socket for the accepted connection. */
accept_socket = socket(family, SOCK_STREAM, 0);
if (accept_socket == INVALID_SOCKET) {
SET_REQ_ERROR(req, WSAGetLastError());
uv_insert_pending_req(loop, (uv_req_t*)req);
handle->reqs_pending++;
return;
}
/* Make the socket non-inheritable */
if (!SetHandleInformation((HANDLE) accept_socket, HANDLE_FLAG_INHERIT, 0)) {
SET_REQ_ERROR(req, GetLastError());
uv_insert_pending_req(loop, (uv_req_t*)req);
handle->reqs_pending++;
closesocket(accept_socket);
return;
}
/* Prepare the overlapped structure. */
memset(&(req->overlapped), 0, sizeof(req->overlapped));
if (handle->flags & UV_HANDLE_EMULATE_IOCP) {
req->overlapped.hEvent = (HANDLE) ((DWORD) req->event_handle | 1);
}
success = handle->func_acceptex(handle->socket,
accept_socket,
(void*)req->accept_buffer,
0,
sizeof(struct sockaddr_storage),
sizeof(struct sockaddr_storage),
&bytes,
&req->overlapped);
if (UV_SUCCEEDED_WITHOUT_IOCP(success)) {
/* Process the req without IOCP. */
req->accept_socket = accept_socket;
handle->reqs_pending++;
uv_insert_pending_req(loop, (uv_req_t*)req);
} else if (UV_SUCCEEDED_WITH_IOCP(success)) {
/* The req will be processed with IOCP. */
req->accept_socket = accept_socket;
handle->reqs_pending++;
if (handle->flags & UV_HANDLE_EMULATE_IOCP &&
req->wait_handle == INVALID_HANDLE_VALUE &&
!pRegisterWaitForSingleObject(&req->wait_handle,
req->event_handle, post_completion, (void*) req,
INFINITE, WT_EXECUTEINWAITTHREAD)) {
SET_REQ_ERROR(req, GetLastError());
uv_insert_pending_req(loop, (uv_req_t*)req);
handle->reqs_pending++;
return;
}
} else {
/* Make this req pending reporting an error. */
SET_REQ_ERROR(req, WSAGetLastError());
uv_insert_pending_req(loop, (uv_req_t*)req);
handle->reqs_pending++;
/* Destroy the preallocated client socket. */
closesocket(accept_socket);
/* Destroy the event handle */
if (handle->flags & UV_HANDLE_EMULATE_IOCP) {
CloseHandle(req->overlapped.hEvent);
req->event_handle = NULL;
}
}
}
static int uv_tcp_try_connect(uv_connect_t* req,
uv_tcp_t* handle,
const struct sockaddr* addr,
unsigned int addrlen,
uv_connect_cb cb) {
uv_loop_t* loop = handle->loop;
const struct sockaddr* bind_addr;
struct sockaddr_storage converted;
BOOL success;
DWORD bytes;
int err;
err = uv__convert_to_localhost_if_unspecified(addr, &converted);
if (err)
return err;
if (handle->delayed_error) {
return handle->delayed_error;
}
if (!(handle->flags & UV_HANDLE_BOUND)) {
if (addrlen == sizeof(uv_addr_ip4_any_)) {
bind_addr = (const struct sockaddr*) &uv_addr_ip4_any_;
} else if (addrlen == sizeof(uv_addr_ip6_any_)) {
bind_addr = (const struct sockaddr*) &uv_addr_ip6_any_;
} else {
abort();
}
err = uv_tcp_try_bind(handle, bind_addr, addrlen, 0);
if (err)
return err;
if (handle->delayed_error)
return handle->delayed_error;
}
if (!handle->tcp.conn.func_connectex) {
if (!uv_get_connectex_function(handle->socket, &handle->tcp.conn.func_connectex)) {
return WSAEAFNOSUPPORT;
}
}
UV_REQ_INIT(req, UV_CONNECT);
req->handle = (uv_stream_t*) handle;
req->cb = cb;
memset(&req->u.io.overlapped, 0, sizeof(req->u.io.overlapped));
success = handle->tcp.conn.func_connectex(handle->socket,
(const struct sockaddr*) &converted,
addrlen,
NULL,
0,
&bytes,
&req->u.io.overlapped);
if (UV_SUCCEEDED_WITHOUT_IOCP(success)) {
/* Process the req without IOCP. */
handle->reqs_pending++;
REGISTER_HANDLE_REQ(loop, handle, req);
uv_insert_pending_req(loop, (uv_req_t*)req);
} else if (UV_SUCCEEDED_WITH_IOCP(success)) {
/* The req will be processed with IOCP. */
handle->reqs_pending++;
REGISTER_HANDLE_REQ(loop, handle, req);
} else {
return WSAGetLastError();
}
return 0;
}