1 /*
2 *
3 * Copyright 2015 gRPC authors.
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 */
18
19 #include <grpc/support/port_platform.h>
20
21 #include "src/core/lib/iomgr/port.h"
22
23 #ifdef GRPC_WINSOCK_SOCKET
24 #include "src/core/lib/iomgr/endpoint_pair.h"
25 #include "src/core/lib/iomgr/sockaddr.h"
26 #include "src/core/lib/iomgr/sockaddr_utils.h"
27
28 #include <errno.h>
29 #include <fcntl.h>
30 #include <string.h>
31
32 #include <grpc/support/log.h>
33 #include "src/core/lib/iomgr/socket_windows.h"
34 #include "src/core/lib/iomgr/tcp_windows.h"
35
create_sockets(SOCKET sv[2])36 static void create_sockets(SOCKET sv[2]) {
37 SOCKET svr_sock = INVALID_SOCKET;
38 SOCKET lst_sock = INVALID_SOCKET;
39 SOCKET cli_sock = INVALID_SOCKET;
40 SOCKADDR_IN addr;
41 int addr_len = sizeof(addr);
42
43 lst_sock = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP, NULL, 0,
44 WSA_FLAG_OVERLAPPED);
45 GPR_ASSERT(lst_sock != INVALID_SOCKET);
46
47 memset(&addr, 0, sizeof(addr));
48 addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
49 addr.sin_family = AF_INET;
50 GPR_ASSERT(bind(lst_sock, (grpc_sockaddr*)&addr, sizeof(addr)) !=
51 SOCKET_ERROR);
52 GPR_ASSERT(listen(lst_sock, SOMAXCONN) != SOCKET_ERROR);
53 GPR_ASSERT(getsockname(lst_sock, (grpc_sockaddr*)&addr, &addr_len) !=
54 SOCKET_ERROR);
55
56 cli_sock = WSASocket(AF_INET, SOCK_STREAM, IPPROTO_TCP, NULL, 0,
57 WSA_FLAG_OVERLAPPED);
58 GPR_ASSERT(cli_sock != INVALID_SOCKET);
59
60 GPR_ASSERT(WSAConnect(cli_sock, (grpc_sockaddr*)&addr, addr_len, NULL, NULL,
61 NULL, NULL) == 0);
62 svr_sock = accept(lst_sock, (grpc_sockaddr*)&addr, &addr_len);
63 GPR_ASSERT(svr_sock != INVALID_SOCKET);
64
65 closesocket(lst_sock);
66 grpc_tcp_prepare_socket(cli_sock);
67 grpc_tcp_prepare_socket(svr_sock);
68
69 sv[1] = cli_sock;
70 sv[0] = svr_sock;
71 }
72
grpc_iomgr_create_endpoint_pair(const char * name,grpc_channel_args * channel_args)73 grpc_endpoint_pair grpc_iomgr_create_endpoint_pair(
74 const char* name, grpc_channel_args* channel_args) {
75 SOCKET sv[2];
76 grpc_endpoint_pair p;
77 create_sockets(sv);
78 grpc_core::ExecCtx exec_ctx;
79 p.client = grpc_tcp_create(grpc_winsocket_create(sv[1], "endpoint:client"),
80 channel_args, "endpoint:server");
81 p.server = grpc_tcp_create(grpc_winsocket_create(sv[0], "endpoint:server"),
82 channel_args, "endpoint:client");
83
84 return p;
85 }
86
87 #endif
88