erez i / cc3000_hostdriver_mbedsocket

version_2.0

Dependents:   cc3000_ping_demo_try_2

Fork of cc3000_hostdriver_mbedsocket by Martin Kojtal

Socket/TCPSocketConnection.cpp@47:e9d12b82813e, 2014-06-25 (annotated)

Committer:
erezi
Date:
Wed Jun 25 06:08:39 2014 +0000
Revision:
47:e9d12b82813e
Parent:
28:8c7cc1c76ff8 
version_2.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Kojto 5:245ac5b73132 1 /* Copyright (C) 2013 mbed.org, MIT License
Kojto 0:615c697c33b0 2 *
Kojto 0:615c697c33b0 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
Kojto 0:615c697c33b0 4 * and associated documentation files (the "Software"), to deal in the Software without restriction,
Kojto 0:615c697c33b0 5 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
Kojto 0:615c697c33b0 6 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
Kojto 0:615c697c33b0 7 * furnished to do so, subject to the following conditions:
Kojto 0:615c697c33b0 8 *
Kojto 0:615c697c33b0 9 * The above copyright notice and this permission notice shall be included in all copies or
Kojto 0:615c697c33b0 10 * substantial portions of the Software.
Kojto 0:615c697c33b0 11 *
Kojto 0:615c697c33b0 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
Kojto 0:615c697c33b0 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
Kojto 0:615c697c33b0 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
Kojto 0:615c697c33b0 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
Kojto 0:615c697c33b0 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Kojto 0:615c697c33b0 17 */
Kojto 0:615c697c33b0 18
Kojto 0:615c697c33b0 19 #include "TCPSocketConnection.h"
Kojto 0:615c697c33b0 20 #include <algorithm>
Kojto 0:615c697c33b0 21
Kojto 5:245ac5b73132 22 TCPSocketConnection::TCPSocketConnection() : _is_connected(false) {
Kojto 5:245ac5b73132 23 _cc3000_module = cc3000::get_instance();
Kojto 5:245ac5b73132 24 if (_cc3000_module == NULL) {
Kojto 5:245ac5b73132 25 error("Endpoint constructor error: no cc3000 instance available!\r\n");
Kojto 5:245ac5b73132 26 }
Kojto 0:615c697c33b0 27 }
Kojto 0:615c697c33b0 28
Kojto 5:245ac5b73132 29 int TCPSocketConnection::connect(const char *host, const int port) {
Kojto 5:245ac5b73132 30 if (init_socket(SOCK_STREAM, IPPROTO_TCP) < 0) {
SolderSplashLabs 13:5e36c267e62f 31 DBG_SOCKET("Failed to create tcp socket");
Kojto 5:245ac5b73132 32 return -1;
Kojto 5:245ac5b73132 33 }
Kojto 0:615c697c33b0 34
Kojto 5:245ac5b73132 35 if (set_address(host, port) != 0) {
SolderSplashLabs 13:5e36c267e62f 36 DBG_SOCKET("Failed to set address (tcp)");
Kojto 5:245ac5b73132 37 return -1;
Kojto 5:245ac5b73132 38 }
Kojto 5:245ac5b73132 39
Kojto 5:245ac5b73132 40 if (_cc3000_module->_socket.connect(_sock_fd, (const sockaddr *)&_remote_host, sizeof(_remote_host)) < 0) {
SolderSplashLabs 13:5e36c267e62f 41 DBG_SOCKET("Failed to connect (tcp)");
Kojto 5:245ac5b73132 42 close();
Kojto 5:245ac5b73132 43 return -1;
Kojto 5:245ac5b73132 44 }
Kojto 5:245ac5b73132 45
Kojto 5:245ac5b73132 46 _is_connected = true;
Kojto 5:245ac5b73132 47
Kojto 5:245ac5b73132 48 return 0;
Kojto 0:615c697c33b0 49 }
Kojto 0:615c697c33b0 50
Kojto 5:245ac5b73132 51 bool TCPSocketConnection::is_connected(void) {
Kojto 5:245ac5b73132 52 return _is_connected;
Kojto 5:245ac5b73132 53 }
Kojto 5:245ac5b73132 54
Kojto 5:245ac5b73132 55 int TCPSocketConnection::send(char* data, int length) {
Kojto 5:245ac5b73132 56 if ((_sock_fd < 0) || !_is_connected) {
Kojto 5:245ac5b73132 57 return -1;
Kojto 5:245ac5b73132 58 }
Kojto 0:615c697c33b0 59
Kojto 5:245ac5b73132 60 if (!_blocking) {
Kojto 5:245ac5b73132 61 TimeInterval timeout(_timeout);
Kojto 5:245ac5b73132 62 if (wait_writable(timeout) != 0) {
Kojto 5:245ac5b73132 63 return -1;
Kojto 5:245ac5b73132 64 }
Kojto 5:245ac5b73132 65 }
Kojto 5:245ac5b73132 66
Kojto 5:245ac5b73132 67 int n = _cc3000_module->_socket.send(_sock_fd, data, length, 0);
Kojto 5:245ac5b73132 68 _is_connected = (n != 0);
Kojto 5:245ac5b73132 69
Kojto 5:245ac5b73132 70 return n;
Kojto 0:615c697c33b0 71 }
Kojto 0:615c697c33b0 72
Kojto 5:245ac5b73132 73 int TCPSocketConnection::send_all(char *data, int length) {
Kojto 5:245ac5b73132 74 if ((_sock_fd < 0) || !_is_connected) {
Kojto 5:245ac5b73132 75 return -1;
Kojto 5:245ac5b73132 76 }
Kojto 0:615c697c33b0 77
Kojto 5:245ac5b73132 78 int writtenLen = 0;
Kojto 5:245ac5b73132 79 TimeInterval timeout(_timeout);
Kojto 5:245ac5b73132 80 while (writtenLen < length) {
Kojto 5:245ac5b73132 81 if (!_blocking) {
Kojto 5:245ac5b73132 82 // Wait for socket to be writeable
Kojto 5:245ac5b73132 83 if (wait_writable(timeout) != 0) {
Kojto 5:245ac5b73132 84 return writtenLen;
Kojto 5:245ac5b73132 85 }
Kojto 5:245ac5b73132 86 }
Kojto 5:245ac5b73132 87
Kojto 5:245ac5b73132 88 int ret = _cc3000_module->_socket.send(_sock_fd, data + writtenLen, length - writtenLen, 0);
Kojto 5:245ac5b73132 89 if (ret > 0) {
Kojto 5:245ac5b73132 90 writtenLen += ret;
Kojto 5:245ac5b73132 91 continue;
Kojto 5:245ac5b73132 92 } else if (ret == 0) {
Kojto 5:245ac5b73132 93 _is_connected = false;
Kojto 5:245ac5b73132 94 return writtenLen;
Kojto 5:245ac5b73132 95 } else {
Kojto 5:245ac5b73132 96 return -1; //Connnection error
Kojto 5:245ac5b73132 97 }
Kojto 5:245ac5b73132 98 }
Kojto 5:245ac5b73132 99
Kojto 5:245ac5b73132 100 return writtenLen;
Kojto 0:615c697c33b0 101 }
Kojto 0:615c697c33b0 102
Kojto 5:245ac5b73132 103 int TCPSocketConnection::receive(char *data, int length) {
Kojto 5:245ac5b73132 104 if ((_sock_fd < 0) || !_is_connected) {
Kojto 5:245ac5b73132 105 return -1;
Kojto 5:245ac5b73132 106 }
Kojto 0:615c697c33b0 107
Kojto 5:245ac5b73132 108 if (!_blocking) {
Kojto 5:245ac5b73132 109 TimeInterval timeout(_timeout);
Kojto 5:245ac5b73132 110 if (wait_readable(timeout) != 0)
Kojto 5:245ac5b73132 111 return -1;
Kojto 5:245ac5b73132 112 }
Kojto 5:245ac5b73132 113
Kojto 5:245ac5b73132 114 int n = _cc3000_module->_socket.recv(_sock_fd, data, length, 0);
Kojto 28:8c7cc1c76ff8 115 if (n >= 0) {
Kojto 28:8c7cc1c76ff8 116 _is_connected = 1;
Kojto 28:8c7cc1c76ff8 117 } else {
Kojto 28:8c7cc1c76ff8 118 _is_connected = 0;
Kojto 28:8c7cc1c76ff8 119 }
Kojto 5:245ac5b73132 120
Kojto 5:245ac5b73132 121 return n;
Kojto 0:615c697c33b0 122 }
Kojto 0:615c697c33b0 123
Kojto 5:245ac5b73132 124 int TCPSocketConnection::receive_all(char *data, int length) {
Kojto 5:245ac5b73132 125 if ((_sock_fd < 0) || !_is_connected) {
Kojto 5:245ac5b73132 126 return -1;
Kojto 5:245ac5b73132 127 }
Kojto 0:615c697c33b0 128
Kojto 5:245ac5b73132 129 int readLen = 0;
Kojto 5:245ac5b73132 130 TimeInterval timeout(_timeout);
Kojto 5:245ac5b73132 131 while (readLen < length) {
Kojto 5:245ac5b73132 132 if (!_blocking) {
Kojto 5:245ac5b73132 133 //Wait for socket to be readable
Kojto 5:245ac5b73132 134 if (wait_readable(timeout) != 0)
Kojto 5:245ac5b73132 135 return readLen;
Kojto 5:245ac5b73132 136 }
Kojto 0:615c697c33b0 137
Kojto 5:245ac5b73132 138 int ret = _cc3000_module->_socket.recv(_sock_fd, data + readLen, length - readLen, 0);
Kojto 5:245ac5b73132 139 if (ret > 0) {
Kojto 5:245ac5b73132 140 readLen += ret;
Kojto 5:245ac5b73132 141 } else if (ret == 0) {
Kojto 5:245ac5b73132 142 _is_connected = false;
Kojto 5:245ac5b73132 143 return readLen;
Kojto 5:245ac5b73132 144 } else {
Kojto 5:245ac5b73132 145 return -1; //Connnection error
Kojto 5:245ac5b73132 146 }
Kojto 5:245ac5b73132 147 }
Kojto 5:245ac5b73132 148 return readLen;
Kojto 0:615c697c33b0 149 }