xref: /5.5.2/platform/src/sockets.c (revision e8521d73)
1/* -*- Mode: C; tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- */
2/*
3 *     Copyright 2013 Couchbase, Inc.
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#include "config.h"
18#include <platform/platform.h>
19#include <stdio.h>
20
21PLATFORM_PUBLIC_API
22void cb_initialize_sockets(void)
23{
24    WSADATA wsaData;
25    if (WSAStartup(MAKEWORD(2, 0), &wsaData) != 0) {
26        fprintf(stderr, "Socket Initialization Error. Program aborted\r\n");
27        exit(EXIT_FAILURE);
28    }
29}
30
31PLATFORM_PUBLIC_API
32int sendmsg(SOCKET sock, const struct msghdr *msg, int flags)
33{
34    /* @todo make this more optimal! */
35    int ii;
36    int ret = 0;
37
38    for (ii = 0; ii < msg->msg_iovlen; ++ii) {
39        if (msg->msg_iov[ii].iov_len > 0) {
40            int nw = send(sock, msg->msg_iov[ii].iov_base, (int)msg->msg_iov[ii].iov_len, flags);
41            if (nw > 0) {
42                ret += nw;
43                if (nw != msg->msg_iov[ii].iov_len) {
44                    return ret;
45                }
46            } else {
47                if (ret > 0) {
48                    return ret;
49                }
50                return nw;
51            }
52        }
53    }
54
55    return ret;
56}
57