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/UDPSocket.cpp@11:002225507f44, 2012-08-24 (annotated)
- Committer:
- sherckuith
- Date:
- Fri Aug 24 12:29:57 2012 +0000
- Revision:
- 11:002225507f44
- Parent:
- 6:f281180726e8
WLAN Parameters FULL ACTUALIZED!; 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
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
samux | 4:74bfdd00362a | 1 | /* Copyright (C) 2012 mbed.org, MIT License |
samux | 4:74bfdd00362a | 2 | * |
samux | 4:74bfdd00362a | 3 | * Permission is hereby granted, free of charge, to any person obtaining a copy of this software |
samux | 4:74bfdd00362a | 4 | * and associated documentation files (the "Software"), to deal in the Software without restriction, |
samux | 4:74bfdd00362a | 5 | * including without limitation the rights to use, copy, modify, merge, publish, distribute, |
samux | 4:74bfdd00362a | 6 | * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is |
samux | 4:74bfdd00362a | 7 | * furnished to do so, subject to the following conditions: |
samux | 4:74bfdd00362a | 8 | * |
samux | 4:74bfdd00362a | 9 | * The above copyright notice and this permission notice shall be included in all copies or |
samux | 4:74bfdd00362a | 10 | * substantial portions of the Software. |
samux | 4:74bfdd00362a | 11 | * |
samux | 4:74bfdd00362a | 12 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING |
samux | 4:74bfdd00362a | 13 | * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
samux | 4:74bfdd00362a | 14 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, |
samux | 4:74bfdd00362a | 15 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
samux | 4:74bfdd00362a | 16 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
samux | 4:74bfdd00362a | 17 | */ |
samux | 4:74bfdd00362a | 18 | |
samux | 4:74bfdd00362a | 19 | #include "UDPSocket.h" |
samux | 4:74bfdd00362a | 20 | |
samux | 4:74bfdd00362a | 21 | #include <string> |
samux | 4:74bfdd00362a | 22 | #include <algorithm> |
samux | 4:74bfdd00362a | 23 | |
samux | 4:74bfdd00362a | 24 | UDPSocket::UDPSocket() |
samux | 4:74bfdd00362a | 25 | { |
samux | 4:74bfdd00362a | 26 | endpoint_configured = false; |
samux | 4:74bfdd00362a | 27 | endpoint_read = false; |
samux | 4:74bfdd00362a | 28 | } |
samux | 4:74bfdd00362a | 29 | |
samux | 4:74bfdd00362a | 30 | int UDPSocket::init(void) |
samux | 4:74bfdd00362a | 31 | { |
samux | 4:74bfdd00362a | 32 | if (!wifi->sendCommand("set ip proto 1\r", "AOK")) |
samux | 4:74bfdd00362a | 33 | return -1; |
samux | 4:74bfdd00362a | 34 | wifi->exit(); |
samux | 4:74bfdd00362a | 35 | return 0; |
samux | 4:74bfdd00362a | 36 | } |
samux | 4:74bfdd00362a | 37 | |
samux | 4:74bfdd00362a | 38 | // Server initialization |
samux | 4:74bfdd00362a | 39 | int UDPSocket::bind(int port) |
samux | 4:74bfdd00362a | 40 | { |
samux | 4:74bfdd00362a | 41 | // use udp auto pairing |
samux | 4:74bfdd00362a | 42 | char cmd[20]; |
samux | 4:74bfdd00362a | 43 | if (!wifi->sendCommand("set ip proto 1\r", "AOK")) |
samux | 4:74bfdd00362a | 44 | return -1; |
samux | 4:74bfdd00362a | 45 | if (!wifi->sendCommand("set ip flags 0x40\r", "AOK")) |
samux | 4:74bfdd00362a | 46 | return -1; |
samux | 4:74bfdd00362a | 47 | if (!wifi->sendCommand("set ip host 0.0.0.0\r", "AOK")) |
samux | 4:74bfdd00362a | 48 | return -1; |
samux | 4:74bfdd00362a | 49 | if (!wifi->sendCommand("set ip remote 0\r", "AOK")) |
samux | 4:74bfdd00362a | 50 | return -1; |
samux | 4:74bfdd00362a | 51 | sprintf(cmd, "set ip local %d\r", port); |
samux | 4:74bfdd00362a | 52 | if (!wifi->sendCommand(cmd, "AOK")) |
samux | 4:74bfdd00362a | 53 | return -1; |
samux | 4:74bfdd00362a | 54 | if (!wifi->sendCommand("save\r", "Stor")) |
samux | 4:74bfdd00362a | 55 | return -1; |
samux | 4:74bfdd00362a | 56 | wifi->exit(); |
samux | 4:74bfdd00362a | 57 | return 0; |
samux | 4:74bfdd00362a | 58 | } |
samux | 4:74bfdd00362a | 59 | |
samux | 4:74bfdd00362a | 60 | // -1 if unsuccessful, else number of bytes written |
samux | 4:74bfdd00362a | 61 | int UDPSocket::sendTo(Endpoint &remote, char *packet, int length) |
samux | 4:74bfdd00362a | 62 | { |
samux | 4:74bfdd00362a | 63 | Timer tmr; |
samux | 4:74bfdd00362a | 64 | int idx = 0; |
samux | 4:74bfdd00362a | 65 | |
samux | 4:74bfdd00362a | 66 | confEndpoint(remote); |
samux | 4:74bfdd00362a | 67 | |
samux | 4:74bfdd00362a | 68 | tmr.start(); |
samux | 4:74bfdd00362a | 69 | |
samux | 4:74bfdd00362a | 70 | while ((tmr.read_ms() < _timeout) || _blocking) { |
samux | 4:74bfdd00362a | 71 | |
samux | 4:74bfdd00362a | 72 | idx += wifi->send(packet, length); |
samux | 4:74bfdd00362a | 73 | |
samux | 4:74bfdd00362a | 74 | if (idx == length) |
samux | 4:74bfdd00362a | 75 | return idx; |
samux | 4:74bfdd00362a | 76 | } |
samux | 4:74bfdd00362a | 77 | return (idx == 0) ? -1 : idx; |
samux | 4:74bfdd00362a | 78 | } |
samux | 4:74bfdd00362a | 79 | |
samux | 4:74bfdd00362a | 80 | // -1 if unsuccessful, else number of bytes received |
samux | 4:74bfdd00362a | 81 | int UDPSocket::receiveFrom(Endpoint &remote, char *buffer, int length) |
samux | 4:74bfdd00362a | 82 | { |
samux | 4:74bfdd00362a | 83 | Timer tmr; |
samux | 4:74bfdd00362a | 84 | int idx = 0; |
samux | 4:74bfdd00362a | 85 | int nb_available = 0; |
samux | 6:f281180726e8 | 86 | int time = -1; |
samux | 4:74bfdd00362a | 87 | |
samux | 4:74bfdd00362a | 88 | |
samux | 4:74bfdd00362a | 89 | |
samux | 4:74bfdd00362a | 90 | if (_blocking) { |
samux | 4:74bfdd00362a | 91 | while (1) { |
samux | 4:74bfdd00362a | 92 | nb_available = wifi->readable(); |
samux | 4:74bfdd00362a | 93 | if (nb_available != 0) { |
samux | 4:74bfdd00362a | 94 | break; |
samux | 4:74bfdd00362a | 95 | } |
samux | 4:74bfdd00362a | 96 | } |
samux | 4:74bfdd00362a | 97 | } |
samux | 4:74bfdd00362a | 98 | |
samux | 4:74bfdd00362a | 99 | tmr.start(); |
samux | 4:74bfdd00362a | 100 | |
samux | 6:f281180726e8 | 101 | while (time < _timeout) { |
samux | 4:74bfdd00362a | 102 | |
samux | 4:74bfdd00362a | 103 | nb_available = wifi->readable(); |
samux | 4:74bfdd00362a | 104 | for (int i = 0; i < min(nb_available, length); i++) { |
samux | 4:74bfdd00362a | 105 | buffer[idx] = wifi->getc(); |
samux | 4:74bfdd00362a | 106 | idx++; |
samux | 4:74bfdd00362a | 107 | } |
samux | 4:74bfdd00362a | 108 | |
samux | 4:74bfdd00362a | 109 | if (idx == length) { |
samux | 4:74bfdd00362a | 110 | break; |
samux | 4:74bfdd00362a | 111 | } |
samux | 6:f281180726e8 | 112 | |
samux | 6:f281180726e8 | 113 | time = tmr.read_ms(); |
samux | 4:74bfdd00362a | 114 | } |
samux | 4:74bfdd00362a | 115 | |
samux | 4:74bfdd00362a | 116 | readEndpoint(remote); |
samux | 4:74bfdd00362a | 117 | return (idx == 0) ? -1 : idx; |
samux | 4:74bfdd00362a | 118 | } |
samux | 4:74bfdd00362a | 119 | |
samux | 4:74bfdd00362a | 120 | bool UDPSocket::confEndpoint(Endpoint & ep) |
samux | 4:74bfdd00362a | 121 | { |
samux | 4:74bfdd00362a | 122 | char * host; |
samux | 4:74bfdd00362a | 123 | char cmd[30]; |
samux | 4:74bfdd00362a | 124 | if (!endpoint_configured) { |
samux | 4:74bfdd00362a | 125 | host = ep.get_address(); |
samux | 4:74bfdd00362a | 126 | if (host[0] != '\0') { |
samux | 4:74bfdd00362a | 127 | sprintf(cmd, "set ip host %s\r", host); |
samux | 4:74bfdd00362a | 128 | if (!wifi->sendCommand(cmd, "AOK")) |
samux | 4:74bfdd00362a | 129 | return false; |
samux | 4:74bfdd00362a | 130 | sprintf(cmd, "set ip remote %d\r", ep.get_port()); |
samux | 4:74bfdd00362a | 131 | if (!wifi->sendCommand(cmd, "AOK")) |
samux | 4:74bfdd00362a | 132 | return false; |
samux | 4:74bfdd00362a | 133 | if (!wifi->sendCommand("save\r", "Stor")) |
samux | 4:74bfdd00362a | 134 | return false; |
samux | 4:74bfdd00362a | 135 | wifi->exit(); |
samux | 4:74bfdd00362a | 136 | endpoint_configured = true; |
samux | 4:74bfdd00362a | 137 | return true; |
samux | 4:74bfdd00362a | 138 | } |
samux | 4:74bfdd00362a | 139 | } |
samux | 4:74bfdd00362a | 140 | return true; |
samux | 4:74bfdd00362a | 141 | } |
samux | 4:74bfdd00362a | 142 | |
samux | 4:74bfdd00362a | 143 | bool UDPSocket::readEndpoint(Endpoint & ep) |
samux | 4:74bfdd00362a | 144 | { |
samux | 4:74bfdd00362a | 145 | char recv[256]; |
samux | 4:74bfdd00362a | 146 | int begin = 0; |
samux | 4:74bfdd00362a | 147 | int end = 0; |
samux | 4:74bfdd00362a | 148 | string str; |
samux | 4:74bfdd00362a | 149 | string addr; |
samux | 4:74bfdd00362a | 150 | int port; |
samux | 4:74bfdd00362a | 151 | if (!endpoint_read) { |
samux | 4:74bfdd00362a | 152 | if (!wifi->sendCommand("get ip\r", NULL, recv)) |
samux | 4:74bfdd00362a | 153 | return false; |
samux | 4:74bfdd00362a | 154 | wifi->exit(); |
samux | 4:74bfdd00362a | 155 | str = recv; |
samux | 4:74bfdd00362a | 156 | begin = str.find("HOST="); |
samux | 4:74bfdd00362a | 157 | end = str.find("PROTO="); |
samux | 4:74bfdd00362a | 158 | if (begin != string::npos && end != string::npos) { |
samux | 4:74bfdd00362a | 159 | str = str.substr(begin + 5, end - begin - 5); |
samux | 4:74bfdd00362a | 160 | int pos = str.find(":"); |
samux | 4:74bfdd00362a | 161 | if (pos != string::npos) { |
samux | 4:74bfdd00362a | 162 | addr = str.substr(0, pos); |
samux | 4:74bfdd00362a | 163 | port = atoi(str.substr(pos + 1).c_str()); |
samux | 4:74bfdd00362a | 164 | ep.set_address(addr.c_str(), port); |
samux | 4:74bfdd00362a | 165 | endpoint_read = true; |
samux | 4:74bfdd00362a | 166 | wifi->flush(); |
samux | 4:74bfdd00362a | 167 | return true; |
samux | 4:74bfdd00362a | 168 | } |
samux | 4:74bfdd00362a | 169 | } |
samux | 4:74bfdd00362a | 170 | wifi->flush(); |
samux | 4:74bfdd00362a | 171 | } |
samux | 4:74bfdd00362a | 172 | return false; |
samux | 4:74bfdd00362a | 173 | } |