Gordon Craig / WIZnetInterface

Added RAW sockets.

Fork of WIZnetInterface by WIZnet

Socket/TCPSocketConnection.cpp@30:3b0481541a06, 2017-12-19 (annotated)

Committer:
Dollyparton
Date:
Tue Dec 19 12:49:35 2017 +0000
Revision:
30:3b0481541a06
Parent:
0:6f28332c466f 
First version.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Soohwan Kim 0:6f28332c466f 1 /* Copyright (C) 2012 mbed.org, MIT License
Soohwan Kim 0:6f28332c466f 2 *
Soohwan Kim 0:6f28332c466f 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
Soohwan Kim 0:6f28332c466f 4 * and associated documentation files (the "Software"), to deal in the Software without restriction,
Soohwan Kim 0:6f28332c466f 5 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
Soohwan Kim 0:6f28332c466f 6 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
Soohwan Kim 0:6f28332c466f 7 * furnished to do so, subject to the following conditions:
Soohwan Kim 0:6f28332c466f 8 *
Soohwan Kim 0:6f28332c466f 9 * The above copyright notice and this permission notice shall be included in all copies or
Soohwan Kim 0:6f28332c466f 10 * substantial portions of the Software.
Soohwan Kim 0:6f28332c466f 11 *
Soohwan Kim 0:6f28332c466f 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
Soohwan Kim 0:6f28332c466f 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
Soohwan Kim 0:6f28332c466f 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
Soohwan Kim 0:6f28332c466f 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
Soohwan Kim 0:6f28332c466f 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Soohwan Kim 0:6f28332c466f 17 */
Soohwan Kim 0:6f28332c466f 18
Soohwan Kim 0:6f28332c466f 19 #include "TCPSocketConnection.h"
Soohwan Kim 0:6f28332c466f 20 #include <cstring>
Soohwan Kim 0:6f28332c466f 21
Soohwan Kim 0:6f28332c466f 22 using std::memset;
Soohwan Kim 0:6f28332c466f 23 using std::memcpy;
Soohwan Kim 0:6f28332c466f 24
Soohwan Kim 0:6f28332c466f 25 // not a big code.
Soohwan Kim 0:6f28332c466f 26 // refer from EthernetInterface by mbed official driver
Soohwan Kim 0:6f28332c466f 27 TCPSocketConnection::TCPSocketConnection() :
Soohwan Kim 0:6f28332c466f 28 _is_connected(false)
Soohwan Kim 0:6f28332c466f 29 {
Soohwan Kim 0:6f28332c466f 30 }
Soohwan Kim 0:6f28332c466f 31
Soohwan Kim 0:6f28332c466f 32 int TCPSocketConnection::connect(const char* host, const int port)
Soohwan Kim 0:6f28332c466f 33 {
Soohwan Kim 0:6f28332c466f 34 if (_sock_fd < 0) {
Soohwan Kim 0:6f28332c466f 35 _sock_fd = eth->new_socket();
Soohwan Kim 0:6f28332c466f 36 if (_sock_fd < 0) {
Soohwan Kim 0:6f28332c466f 37 return -1;
Soohwan Kim 0:6f28332c466f 38 }
Soohwan Kim 0:6f28332c466f 39 }
Soohwan Kim 0:6f28332c466f 40 if (set_address(host, port) != 0) {
Soohwan Kim 0:6f28332c466f 41 return -1;
Soohwan Kim 0:6f28332c466f 42 }
Soohwan Kim 0:6f28332c466f 43 if (!eth->connect(_sock_fd, get_address(), port)) {
Soohwan Kim 0:6f28332c466f 44 return -1;
Soohwan Kim 0:6f28332c466f 45 }
Soohwan Kim 0:6f28332c466f 46 set_blocking(false);
Soohwan Kim 0:6f28332c466f 47 // add code refer from EthernetInterface.
Soohwan Kim 0:6f28332c466f 48 _is_connected = true;
Soohwan Kim 0:6f28332c466f 49
Soohwan Kim 0:6f28332c466f 50 return 0;
Soohwan Kim 0:6f28332c466f 51 }
Soohwan Kim 0:6f28332c466f 52
Dollyparton 30:3b0481541a06 53
Dollyparton 30:3b0481541a06 54 // Geminate Changes
Dollyparton 30:3b0481541a06 55
Dollyparton 30:3b0481541a06 56 int TCPSocketConnection::get_DHAR0(void)
Dollyparton 30:3b0481541a06 57 {
Dollyparton 30:3b0481541a06 58 return( eth->get_DHAR0(_sock_fd));
Dollyparton 30:3b0481541a06 59 }
Dollyparton 30:3b0481541a06 60
Dollyparton 30:3b0481541a06 61
Dollyparton 30:3b0481541a06 62 int TCPSocketConnection::get_DHAR1(void)
Dollyparton 30:3b0481541a06 63 {
Dollyparton 30:3b0481541a06 64 return( eth->get_DHAR1(_sock_fd));
Dollyparton 30:3b0481541a06 65 }
Dollyparton 30:3b0481541a06 66
Dollyparton 30:3b0481541a06 67 // End Changes
Dollyparton 30:3b0481541a06 68
Dollyparton 30:3b0481541a06 69
Soohwan Kim 0:6f28332c466f 70 bool TCPSocketConnection::is_connected(void)
Soohwan Kim 0:6f28332c466f 71 {
Soohwan Kim 0:6f28332c466f 72 // force update recent state.
Soohwan Kim 0:6f28332c466f 73 _is_connected = eth->is_connected(_sock_fd);
Soohwan Kim 0:6f28332c466f 74 return _is_connected;
Soohwan Kim 0:6f28332c466f 75 }
Soohwan Kim 0:6f28332c466f 76
Soohwan Kim 0:6f28332c466f 77 int TCPSocketConnection::send(char* data, int length)
Soohwan Kim 0:6f28332c466f 78 {
Soohwan Kim 0:6f28332c466f 79 if((_sock_fd<0) || !(eth->is_connected(_sock_fd)))
Soohwan Kim 0:6f28332c466f 80 return -1;
Soohwan Kim 0:6f28332c466f 81
Soohwan Kim 0:6f28332c466f 82 int size = eth->wait_writeable(_sock_fd, _blocking ? -1 : _timeout);
Soohwan Kim 0:6f28332c466f 83 if (size < 0)
Soohwan Kim 0:6f28332c466f 84 return -1;
Soohwan Kim 0:6f28332c466f 85
Soohwan Kim 0:6f28332c466f 86 if (size > length)
Soohwan Kim 0:6f28332c466f 87 size = length;
Soohwan Kim 0:6f28332c466f 88
Soohwan Kim 0:6f28332c466f 89 return eth->send(_sock_fd, data, size);
Soohwan Kim 0:6f28332c466f 90 }
Soohwan Kim 0:6f28332c466f 91
Soohwan Kim 0:6f28332c466f 92 // -1 if unsuccessful, else number of bytes written
Soohwan Kim 0:6f28332c466f 93 int TCPSocketConnection::send_all(char* data, int length)
Soohwan Kim 0:6f28332c466f 94 {
Soohwan Kim 0:6f28332c466f 95 int writtenLen = 0;
Soohwan Kim 0:6f28332c466f 96
Soohwan Kim 0:6f28332c466f 97 if(_sock_fd<0)
Soohwan Kim 0:6f28332c466f 98 return -1;
Soohwan Kim 0:6f28332c466f 99
Soohwan Kim 0:6f28332c466f 100 while (writtenLen < length) {
Soohwan Kim 0:6f28332c466f 101
Soohwan Kim 0:6f28332c466f 102 if(!(eth->is_connected(_sock_fd)))
Soohwan Kim 0:6f28332c466f 103 return -1;
Soohwan Kim 0:6f28332c466f 104
Soohwan Kim 0:6f28332c466f 105 int size = eth->wait_writeable(_sock_fd, _blocking ? -1 : _timeout);
Soohwan Kim 0:6f28332c466f 106 if (size < 0) {
Soohwan Kim 0:6f28332c466f 107 return -1;
Soohwan Kim 0:6f28332c466f 108 }
Soohwan Kim 0:6f28332c466f 109 if (size > (length-writtenLen)) {
Soohwan Kim 0:6f28332c466f 110 size = (length-writtenLen);
Soohwan Kim 0:6f28332c466f 111 }
Soohwan Kim 0:6f28332c466f 112 int ret = eth->send(_sock_fd, data + writtenLen, size);
Soohwan Kim 0:6f28332c466f 113 if (ret < 0) {
Soohwan Kim 0:6f28332c466f 114 return -1;
Soohwan Kim 0:6f28332c466f 115 }
Soohwan Kim 0:6f28332c466f 116 writtenLen += ret;
Soohwan Kim 0:6f28332c466f 117 }
Soohwan Kim 0:6f28332c466f 118 return writtenLen;
Soohwan Kim 0:6f28332c466f 119 }
Soohwan Kim 0:6f28332c466f 120
Soohwan Kim 0:6f28332c466f 121 // -1 if unsuccessful, else number of bytes received
Soohwan Kim 0:6f28332c466f 122 int TCPSocketConnection::receive(char* data, int length)
Soohwan Kim 0:6f28332c466f 123 {
Soohwan Kim 0:6f28332c466f 124 if((_sock_fd<0) || !(eth->is_connected(_sock_fd)))
Soohwan Kim 0:6f28332c466f 125 return -1;
Soohwan Kim 0:6f28332c466f 126
Soohwan Kim 0:6f28332c466f 127 int size = eth->wait_readable(_sock_fd, _blocking ? -1 : _timeout);
Soohwan Kim 0:6f28332c466f 128 if (size < 0) {
Soohwan Kim 0:6f28332c466f 129 return -1;
Soohwan Kim 0:6f28332c466f 130 }
Soohwan Kim 0:6f28332c466f 131 if (size > length) {
Soohwan Kim 0:6f28332c466f 132 size = length;
Soohwan Kim 0:6f28332c466f 133 }
Soohwan Kim 0:6f28332c466f 134 return eth->recv(_sock_fd, data, size);
Soohwan Kim 0:6f28332c466f 135 }
Soohwan Kim 0:6f28332c466f 136
Soohwan Kim 0:6f28332c466f 137 // -1 if unsuccessful, else number of bytes received
Soohwan Kim 0:6f28332c466f 138 int TCPSocketConnection::receive_all(char* data, int length)
Soohwan Kim 0:6f28332c466f 139 {
Soohwan Kim 0:6f28332c466f 140 if(_sock_fd<0)
Soohwan Kim 0:6f28332c466f 141 return -1;
Soohwan Kim 0:6f28332c466f 142
Soohwan Kim 0:6f28332c466f 143 int readLen = 0;
Soohwan Kim 0:6f28332c466f 144 while (readLen < length) {
Soohwan Kim 0:6f28332c466f 145
Soohwan Kim 0:6f28332c466f 146 if(!(eth->is_connected(_sock_fd)))
Soohwan Kim 0:6f28332c466f 147 return -1;
Soohwan Kim 0:6f28332c466f 148
Soohwan Kim 0:6f28332c466f 149 int size = eth->wait_readable(_sock_fd, _blocking ? -1 :_timeout);
Soohwan Kim 0:6f28332c466f 150 if (size <= 0) {
Soohwan Kim 0:6f28332c466f 151 break;
Soohwan Kim 0:6f28332c466f 152 }
Soohwan Kim 0:6f28332c466f 153 if (size > (length - readLen)) {
Soohwan Kim 0:6f28332c466f 154 size = length - readLen;
Soohwan Kim 0:6f28332c466f 155 }
Soohwan Kim 0:6f28332c466f 156 int ret = eth->recv(_sock_fd, data + readLen, size);
Soohwan Kim 0:6f28332c466f 157 if (ret < 0) {
Soohwan Kim 0:6f28332c466f 158 return -1;
Soohwan Kim 0:6f28332c466f 159 }
Soohwan Kim 0:6f28332c466f 160 readLen += ret;
Soohwan Kim 0:6f28332c466f 161 }
Soohwan Kim 0:6f28332c466f 162 return readLen;
Soohwan Kim 0:6f28332c466f 163 }