ACTUALIZED LIBRARY 0 Open (Default) 1 WEP-128 2 WPA1 3 Mixed WPA1 & WPA2-PSK 4 WPA2-PSK 5 Not Used 6 Adhoc, Join any Adhoc network
Dependents: mbed_Arduino_sensor
Fork of WiflyInterface by
Socket/TCPSocketConnection.cpp
- Committer:
- sherckuith
- Date:
- 2012-08-24
- Revision:
- 11:002225507f44
- Parent:
- 6:f281180726e8
- Child:
- 9:aeddb7353e6e
File content as of revision 11:002225507f44:
/* Copyright (C) 2012 mbed.org, MIT License * * Permission is hereby granted, free of charge, to any person obtaining a copy of this software * and associated documentation files (the "Software"), to deal in the Software without restriction, * including without limitation the rights to use, copy, modify, merge, publish, distribute, * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all copies or * substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "TCPSocketConnection.h" #include <algorithm> TCPSocketConnection::TCPSocketConnection() {} int TCPSocketConnection::connect(const char* host, const int port) { //open the connection char cmd[30]; char rcv[40]; // if we cannot enter in cmd mode, maybe we have a tcp connection opened. // in this case we need to wait at least 0.25s to enter in cmd mode if (!wifi->cmdMode()) { wait(0.25); if (!wifi->cmdMode()) { wifi->send("\r", 1); wait(0.1); wifi->exit(); return -1; } } if (wifi->dnsLookup(host, rcv)) { sprintf(cmd, "set ip host %s\r", rcv); if (!wifi->sendCommand(cmd, "AOK")) return -1; } else { return -1; } sprintf(cmd, "set ip remote %d\r", port); if (!wifi->sendCommand(cmd, "AOK")) return -1; if (wifi->sendCommand("open\r", NULL, rcv)) { if (strstr(rcv, "OPEN") == NULL) { if (strstr(rcv, "Connected") != NULL) { if (!wifi->sendCommand("close\r", "CLOS")) return -1; if (!wifi->sendCommand(cmd, "OPEN")) return -1; } else { return -1; } } } else { return -1; } wifi->flush(); return 0; } bool TCPSocketConnection::is_connected(void) { return wifi->is_connected(); } int TCPSocketConnection::send(char* data, int length) { Timer tmr; if (!_blocking) { tmr.start(); while (tmr.read_ms() < _timeout) { if (wifi->writeable()) break; } if (tmr.read_ms() >= _timeout) { return -1; } } return wifi->send(data, length); } // -1 if unsuccessful, else number of bytes written int TCPSocketConnection::send_all(char* data, int length) { Timer tmr; int idx = 0; tmr.start(); while ((tmr.read_ms() < _timeout) || _blocking) { idx += wifi->send(data, length); if (idx == length) return idx; } return (idx == 0) ? -1 : idx; } // -1 if unsuccessful, else number of bytes received int TCPSocketConnection::receive(char* data, int length) { Timer tmr; int time = -1; if (!_blocking) { tmr.start(); while (time < _timeout + 20) { if (wifi->readable()) { break; } time = tmr.read_ms(); } if (time >= _timeout + 20) { return -1; } } while(!wifi->readable()); int nb_available = wifi->readable(); for (int i = 0; i < min(nb_available, length); i++) { data[i] = wifi->getc(); } return min(nb_available, length); } // -1 if unsuccessful, else number of bytes received int TCPSocketConnection::receive_all(char* data, int length) { Timer tmr; int idx = 0; int time = -1; tmr.start(); while (time < _timeout || _blocking) { int nb_available = wifi->readable(); for (int i = 0; i < min(nb_available, length); i++) { data[idx++] = wifi->getc(); } if (idx == length) break; time = tmr.read_ms(); } return (idx == 0) ? -1 : idx; }