| 1 | #pragma once |
| 2 | /* |
| 3 | * This file is part of the libCEC(R) library. |
| 4 | * |
| 5 | * libCEC(R) is Copyright (C) 2011-2012 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 | #include <sys/socket.h> |
| 38 | #include <netinet/in.h> |
| 39 | #include <netinet/tcp.h> |
| 40 | #include <arpa/inet.h> |
| 41 | #include <netdb.h> |
| 42 | #include <poll.h> |
| 43 | |
| 44 | namespace PLATFORM |
| 45 | { |
| 46 | inline void TcpShutdownSocket(socket_t socket) |
| 47 | { |
| 48 | shutdown(socket, SHUT_RDWR); |
| 49 | } |
| 50 | |
| 51 | inline int TcpGetSocketError(socket_t socket) |
| 52 | { |
| 53 | int iReturn(0); |
| 54 | socklen_t optLen = sizeof(socket_t); |
| 55 | getsockopt(socket, SOL_SOCKET, SO_ERROR, (void *)&iReturn, &optLen); |
| 56 | return iReturn; |
| 57 | } |
| 58 | |
| 59 | inline bool TcpSetNoDelay(socket_t socket) |
| 60 | { |
| 61 | int iSetTo(1); |
| 62 | setsockopt(socket, SOL_TCP, TCP_NODELAY, &iSetTo, sizeof(iSetTo)); |
| 63 | return true; |
| 64 | } |
| 65 | |
| 66 | inline bool TcpConnectSocket(socket_t socket, struct addrinfo* addr, int *iError, uint64_t iTimeout = 0) |
| 67 | { |
| 68 | bool bConnected = (connect(socket, addr->ai_addr, addr->ai_addrlen) == 0); |
| 69 | if (!bConnected && errno == EINPROGRESS) |
| 70 | { |
| 71 | struct pollfd pfd; |
| 72 | pfd.fd = socket; |
| 73 | pfd.events = POLLOUT; |
| 74 | pfd.revents = 0; |
| 75 | |
| 76 | int iPollResult = poll(&pfd, 1, iTimeout); |
| 77 | if (iPollResult == 0) |
| 78 | *iError = ETIMEDOUT; |
| 79 | else if (iPollResult == -1) |
| 80 | *iError = errno; |
| 81 | else |
| 82 | bConnected = true; |
| 83 | } |
| 84 | else |
| 85 | { |
| 86 | *iError = errno; |
| 87 | } |
| 88 | |
| 89 | return bConnected; |
| 90 | } |
| 91 | |
| 92 | inline bool TcpResolveAddress(const char *strHost, uint16_t iPort, int *iError, struct addrinfo **info) |
| 93 | { |
| 94 | struct addrinfo hints; |
| 95 | char service[33]; |
| 96 | memset(&hints, 0, sizeof(hints)); |
| 97 | hints.ai_family = AF_UNSPEC; |
| 98 | hints.ai_socktype = SOCK_STREAM; |
| 99 | hints.ai_protocol = IPPROTO_TCP; |
| 100 | sprintf(service, "%d", iPort); |
| 101 | |
| 102 | *iError = getaddrinfo(strHost, service, &hints, info); |
| 103 | return !(*iError); |
| 104 | } |
| 105 | } |