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0e51267b LOK |
1 | #pragma once |
2 | /* | |
3 | * This file is part of the libCEC(R) library. | |
4 | * | |
5 | * libCEC(R) is Copyright (C) 2011 Pulse-Eight Limited. All rights reserved. | |
6 | * libCEC(R) is an original work, containing original code. | |
7 | * | |
8 | * libCEC(R) is a trademark of Pulse-Eight Limited. | |
9 | * | |
10 | * This program is dual-licensed; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; either version 2 of the License, or | |
13 | * (at your option) any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program; if not, write to the Free Software | |
22 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
23 | * | |
24 | * | |
25 | * Alternatively, you can license this library under a commercial license, | |
26 | * please contact Pulse-Eight Licensing for more information. | |
27 | * | |
28 | * For more information contact: | |
29 | * Pulse-Eight Licensing <license@pulse-eight.com> | |
30 | * http://www.pulse-eight.com/ | |
31 | * http://www.pulse-eight.net/ | |
32 | */ | |
33 | ||
34 | #include "../os.h" | |
35 | #include "../sockets/socket.h" | |
36 | ||
37 | namespace PLATFORM | |
38 | { | |
39 | inline int TcpGetSocketError(socket_t socket) | |
40 | { | |
41 | int iReturn(0); | |
42 | socklen_t optLen = sizeof(socket_t); | |
43 | getsockopt(socket, SOL_SOCKET, SO_ERROR, (void *)&iReturn, &optLen); | |
44 | return iReturn; | |
45 | } | |
46 | ||
47 | inline bool TcpSetNoDelay(socket_t socket) | |
48 | { | |
49 | int iSetTo(1); | |
50 | setsockopt(socket, SOL_TCP, TCP_NODELAY, &iSetTo, sizeof(iSetTo)); | |
51 | return true; | |
52 | } | |
53 | ||
54 | inline bool TcpConnectSocket(socket_t socket, struct addrinfo* addr, int *iError, uint64_t iTimeout = 0) | |
55 | { | |
56 | bool bConnected = (connect(socket, addr->ai_addr, addr->ai_addrlen) == 0); | |
57 | if (!bConnected && errno == EINPROGRESS) | |
58 | { | |
59 | struct pollfd pfd; | |
60 | pfd.fd = socket; | |
61 | pfd.events = POLLOUT; | |
62 | pfd.revents = 0; | |
63 | ||
64 | int iPollResult = poll(&pfd, 1, iTimeout); | |
65 | if (iPollResult == 0) | |
66 | *iError = ETIMEDOUT; | |
67 | else if (iPollResult == -1) | |
68 | *iError = errno; | |
69 | else | |
70 | *iError = TcpGetSocketError(socket); | |
71 | } | |
72 | ||
73 | return bConnected; | |
74 | } | |
75 | ||
76 | inline bool TcpResolveAddress(const char *strHost, uint16_t iPort, int *iError, struct addrinfo *info) | |
77 | { | |
78 | struct addrinfo hints; | |
79 | char service[33]; | |
80 | memset(&hints, 0, sizeof(hints)); | |
81 | hints.ai_family = AF_UNSPEC; | |
82 | hints.ai_socktype = SOCK_STREAM; | |
83 | hints.ai_protocol = IPPROTO_TCP; | |
84 | sprintf(service, "%d", iPort); | |
85 | ||
86 | return ((*iError = getaddrinfo(strHost, service, &hints, &info)) == 0); | |
87 | } | |
88 | } |