| 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 | namespace PLATFORM |
| 38 | { |
| 39 | inline int TcpResolveAddress(const CStdString &strHostname, uint16_t iPort, struct addrinfo *address) |
| 40 | { |
| 41 | struct addrinfo hints; |
| 42 | char service[33]; |
| 43 | |
| 44 | memset(&hints, 0, sizeof(hints)); |
| 45 | hints.ai_family = AF_UNSPEC; |
| 46 | hints.ai_socktype = SOCK_STREAM; |
| 47 | hints.ai_protocol = IPPROTO_TCP; |
| 48 | sprintf(service, "%d", iPort); |
| 49 | |
| 50 | return getaddrinfo(strHostname.c_str(), service, &hints, &address); |
| 51 | } |
| 52 | |
| 53 | inline int TcpGetSocketError() |
| 54 | { |
| 55 | int error = WSAGetLastError(); |
| 56 | switch(error) |
| 57 | { |
| 58 | case WSAEINPROGRESS: return EINPROGRESS; |
| 59 | case WSAECONNRESET : return ECONNRESET; |
| 60 | case WSAETIMEDOUT : return ETIMEDOUT; |
| 61 | case WSAEWOULDBLOCK: return EAGAIN; |
| 62 | default : return error; |
| 63 | } |
| 64 | } |
| 65 | |
| 66 | inline int TcpConnectSocket(struct addrinfo* addr, socket_t socket, int *iError, uint64_t iTimeout) |
| 67 | { |
| 68 | int nRes = 0; |
| 69 | socklen_t errlen = sizeof(int); |
| 70 | |
| 71 | SocketSetBlocking(socket, false); |
| 72 | |
| 73 | /* connect to the other side */ |
| 74 | nRes = connect(socket, addr->ai_addr, addr->ai_addrlen); |
| 75 | |
| 76 | /* poll until a connection is established */ |
| 77 | if (nRes == -1) |
| 78 | { |
| 79 | if (TcpGetSocketError() == EINPROGRESS || TcpGetSocketError() == EAGAIN) |
| 80 | { |
| 81 | fd_set fd_write, fd_except; |
| 82 | struct timeval tv; |
| 83 | tv.tv_sec = (long)(iTimeout / 1000); |
| 84 | tv.tv_usec = (long)(1000 * (iTimeout % 1000)); |
| 85 | |
| 86 | FD_ZERO(&fd_write); |
| 87 | FD_ZERO(&fd_except); |
| 88 | FD_SET(socket, &fd_write); |
| 89 | FD_SET(socket, &fd_except); |
| 90 | |
| 91 | nRes = select(sizeof(socket)*8, NULL, &fd_write, &fd_except, &tv); |
| 92 | if (nRes == 0) |
| 93 | { |
| 94 | *iError = ETIMEDOUT; |
| 95 | return SOCKET_ERROR; |
| 96 | } |
| 97 | else if (nRes == -1) |
| 98 | { |
| 99 | *iError = TcpGetSocketError(); |
| 100 | return SOCKET_ERROR; |
| 101 | } |
| 102 | |
| 103 | /* check for errors */ |
| 104 | getsockopt(socket, SOL_SOCKET, SO_ERROR, (char *)iError, &errlen); |
| 105 | } |
| 106 | else |
| 107 | { |
| 108 | *iError = TcpGetSocketError(); |
| 109 | } |
| 110 | } |
| 111 | |
| 112 | SocketSetBlocking(socket, true); |
| 113 | |
| 114 | return 0; |
| 115 | } |
| 116 | |
| 117 | inline bool TcpSetNoDelay(socket_t socket) |
| 118 | { |
| 119 | int nVal = 1; |
| 120 | setsockopt(socket, IPPROTO_TCP, TCP_NODELAY, (const char*)&nVal, sizeof(nVal)); |
| 121 | return true; |
| 122 | } |
| 123 | } |