wip
Dependents: EthernetInterface_vz
Fork of Socket by
TCPSocketConnection.cpp@19:434906b5b977, 2013-08-19 (annotated)
- Committer:
- bogdanm
- Date:
- Mon Aug 19 18:38:18 2013 +0300
- Revision:
- 19:434906b5b977
- Parent:
- 11:3d83c348fb8b
- Child:
- 23:9a1f704278b3
- Child:
- 29:6f480e970784
Sync with official mbed library release 66
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
emilmont | 3:e6474399e057 | 1 | /* Copyright (C) 2012 mbed.org, MIT License |
emilmont | 3:e6474399e057 | 2 | * |
emilmont | 3:e6474399e057 | 3 | * Permission is hereby granted, free of charge, to any person obtaining a copy of this software |
emilmont | 3:e6474399e057 | 4 | * and associated documentation files (the "Software"), to deal in the Software without restriction, |
emilmont | 3:e6474399e057 | 5 | * including without limitation the rights to use, copy, modify, merge, publish, distribute, |
emilmont | 3:e6474399e057 | 6 | * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is |
emilmont | 3:e6474399e057 | 7 | * furnished to do so, subject to the following conditions: |
emilmont | 3:e6474399e057 | 8 | * |
emilmont | 3:e6474399e057 | 9 | * The above copyright notice and this permission notice shall be included in all copies or |
emilmont | 3:e6474399e057 | 10 | * substantial portions of the Software. |
emilmont | 3:e6474399e057 | 11 | * |
emilmont | 3:e6474399e057 | 12 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING |
emilmont | 3:e6474399e057 | 13 | * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
emilmont | 3:e6474399e057 | 14 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, |
emilmont | 3:e6474399e057 | 15 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
emilmont | 3:e6474399e057 | 16 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
emilmont | 3:e6474399e057 | 17 | */ |
emilmont | 3:e6474399e057 | 18 | #include "TCPSocketConnection.h" |
emilmont | 3:e6474399e057 | 19 | #include <cstring> |
emilmont | 3:e6474399e057 | 20 | |
emilmont | 3:e6474399e057 | 21 | using std::memset; |
emilmont | 3:e6474399e057 | 22 | using std::memcpy; |
emilmont | 3:e6474399e057 | 23 | |
emilmont | 3:e6474399e057 | 24 | TCPSocketConnection::TCPSocketConnection() : |
emilmont | 11:3d83c348fb8b | 25 | _is_connected(false) { |
emilmont | 3:e6474399e057 | 26 | } |
emilmont | 3:e6474399e057 | 27 | |
emilmont | 4:75988d748e4d | 28 | int TCPSocketConnection::connect(const char* host, const int port) { |
emilmont | 5:300e7ad2dc1d | 29 | if (init_socket(SOCK_STREAM) < 0) |
emilmont | 3:e6474399e057 | 30 | return -1; |
emilmont | 3:e6474399e057 | 31 | |
emilmont | 5:300e7ad2dc1d | 32 | if (set_address(host, port) != 0) |
emilmont | 5:300e7ad2dc1d | 33 | return -1; |
emilmont | 3:e6474399e057 | 34 | |
emilmont | 3:e6474399e057 | 35 | if (lwip_connect(_sock_fd, (const struct sockaddr *) &_remoteHost, sizeof(_remoteHost)) < 0) { |
emilmont | 3:e6474399e057 | 36 | close(); |
emilmont | 3:e6474399e057 | 37 | return -1; |
emilmont | 3:e6474399e057 | 38 | } |
emilmont | 11:3d83c348fb8b | 39 | _is_connected = true; |
emilmont | 3:e6474399e057 | 40 | |
emilmont | 3:e6474399e057 | 41 | return 0; |
emilmont | 3:e6474399e057 | 42 | } |
emilmont | 3:e6474399e057 | 43 | |
emilmont | 11:3d83c348fb8b | 44 | bool TCPSocketConnection::is_connected(void) { |
emilmont | 11:3d83c348fb8b | 45 | return _is_connected; |
emilmont | 11:3d83c348fb8b | 46 | } |
emilmont | 11:3d83c348fb8b | 47 | |
emilmont | 10:d24738f4ef99 | 48 | int TCPSocketConnection::send(char* data, int length) { |
emilmont | 11:3d83c348fb8b | 49 | if ((_sock_fd < 0) || !_is_connected) |
emilmont | 3:e6474399e057 | 50 | return -1; |
emilmont | 3:e6474399e057 | 51 | |
emilmont | 10:d24738f4ef99 | 52 | if (!_blocking) { |
emilmont | 10:d24738f4ef99 | 53 | TimeInterval timeout(_timeout); |
emilmont | 10:d24738f4ef99 | 54 | if (wait_writable(timeout) != 0) |
emilmont | 10:d24738f4ef99 | 55 | return -1; |
emilmont | 10:d24738f4ef99 | 56 | } |
emilmont | 3:e6474399e057 | 57 | |
emilmont | 3:e6474399e057 | 58 | int n = lwip_send(_sock_fd, data, length, 0); |
emilmont | 11:3d83c348fb8b | 59 | _is_connected = (n != 0); |
emilmont | 3:e6474399e057 | 60 | |
emilmont | 3:e6474399e057 | 61 | return n; |
emilmont | 3:e6474399e057 | 62 | } |
emilmont | 3:e6474399e057 | 63 | |
emilmont | 3:e6474399e057 | 64 | // -1 if unsuccessful, else number of bytes written |
emilmont | 10:d24738f4ef99 | 65 | int TCPSocketConnection::send_all(char* data, int length) { |
emilmont | 11:3d83c348fb8b | 66 | if ((_sock_fd < 0) || !_is_connected) |
emilmont | 3:e6474399e057 | 67 | return -1; |
emilmont | 3:e6474399e057 | 68 | |
bogdanm | 19:434906b5b977 | 69 | int writtenLen = 0; |
emilmont | 10:d24738f4ef99 | 70 | TimeInterval timeout(_timeout); |
emilmont | 3:e6474399e057 | 71 | while (writtenLen < length) { |
emilmont | 10:d24738f4ef99 | 72 | if (!_blocking) { |
emilmont | 10:d24738f4ef99 | 73 | // Wait for socket to be writeable |
emilmont | 10:d24738f4ef99 | 74 | if (wait_writable(timeout) != 0) |
emilmont | 11:3d83c348fb8b | 75 | return writtenLen; |
emilmont | 10:d24738f4ef99 | 76 | } |
emilmont | 3:e6474399e057 | 77 | |
emilmont | 3:e6474399e057 | 78 | int ret = lwip_send(_sock_fd, data + writtenLen, length - writtenLen, 0); |
emilmont | 3:e6474399e057 | 79 | if (ret > 0) { |
emilmont | 3:e6474399e057 | 80 | writtenLen += ret; |
emilmont | 3:e6474399e057 | 81 | continue; |
emilmont | 3:e6474399e057 | 82 | } else if (ret == 0) { |
emilmont | 11:3d83c348fb8b | 83 | _is_connected = false; |
emilmont | 11:3d83c348fb8b | 84 | return writtenLen; |
emilmont | 3:e6474399e057 | 85 | } else { |
emilmont | 3:e6474399e057 | 86 | return -1; //Connnection error |
emilmont | 3:e6474399e057 | 87 | } |
emilmont | 3:e6474399e057 | 88 | } |
emilmont | 3:e6474399e057 | 89 | return writtenLen; |
emilmont | 3:e6474399e057 | 90 | } |
emilmont | 3:e6474399e057 | 91 | |
emilmont | 10:d24738f4ef99 | 92 | int TCPSocketConnection::receive(char* data, int length) { |
emilmont | 11:3d83c348fb8b | 93 | if ((_sock_fd < 0) || !_is_connected) |
emilmont | 3:e6474399e057 | 94 | return -1; |
emilmont | 3:e6474399e057 | 95 | |
emilmont | 10:d24738f4ef99 | 96 | if (!_blocking) { |
emilmont | 10:d24738f4ef99 | 97 | TimeInterval timeout(_timeout); |
emilmont | 10:d24738f4ef99 | 98 | if (wait_readable(timeout) != 0) |
emilmont | 10:d24738f4ef99 | 99 | return -1; |
emilmont | 10:d24738f4ef99 | 100 | } |
emilmont | 3:e6474399e057 | 101 | |
emilmont | 3:e6474399e057 | 102 | int n = lwip_recv(_sock_fd, data, length, 0); |
emilmont | 11:3d83c348fb8b | 103 | _is_connected = (n != 0); |
emilmont | 3:e6474399e057 | 104 | |
emilmont | 3:e6474399e057 | 105 | return n; |
emilmont | 3:e6474399e057 | 106 | } |
emilmont | 3:e6474399e057 | 107 | |
emilmont | 3:e6474399e057 | 108 | // -1 if unsuccessful, else number of bytes received |
emilmont | 10:d24738f4ef99 | 109 | int TCPSocketConnection::receive_all(char* data, int length) { |
emilmont | 11:3d83c348fb8b | 110 | if ((_sock_fd < 0) || !_is_connected) |
emilmont | 3:e6474399e057 | 111 | return -1; |
emilmont | 3:e6474399e057 | 112 | |
bogdanm | 19:434906b5b977 | 113 | int readLen = 0; |
emilmont | 10:d24738f4ef99 | 114 | TimeInterval timeout(_timeout); |
emilmont | 3:e6474399e057 | 115 | while (readLen < length) { |
emilmont | 10:d24738f4ef99 | 116 | if (!_blocking) { |
emilmont | 10:d24738f4ef99 | 117 | //Wait for socket to be readable |
emilmont | 10:d24738f4ef99 | 118 | if (wait_readable(timeout) != 0) |
emilmont | 11:3d83c348fb8b | 119 | return readLen; |
emilmont | 10:d24738f4ef99 | 120 | } |
emilmont | 3:e6474399e057 | 121 | |
emilmont | 3:e6474399e057 | 122 | int ret = lwip_recv(_sock_fd, data + readLen, length - readLen, 0); |
emilmont | 3:e6474399e057 | 123 | if (ret > 0) { |
emilmont | 3:e6474399e057 | 124 | readLen += ret; |
emilmont | 3:e6474399e057 | 125 | } else if (ret == 0) { |
emilmont | 11:3d83c348fb8b | 126 | _is_connected = false; |
emilmont | 11:3d83c348fb8b | 127 | return readLen; |
emilmont | 3:e6474399e057 | 128 | } else { |
emilmont | 3:e6474399e057 | 129 | return -1; //Connnection error |
emilmont | 3:e6474399e057 | 130 | } |
emilmont | 3:e6474399e057 | 131 | } |
emilmont | 3:e6474399e057 | 132 | return readLen; |
emilmont | 3:e6474399e057 | 133 | } |