Hiroshi Yamaguchi / Station

Station API

Dependents:   GMCStation

Station.h@5:3df13e2e928e, 2011-12-22 (annotated)

Committer:
yamaguch
Date:
Thu Dec 22 02:08:01 2011 +0000
Revision:
5:3df13e2e928e
Parent:
2:a9d1a9c92927 
added #include \"Utils.h\"

Who changed what in which revision?

UserRevisionLine numberNew contents of line
yamaguch 0:d81f611c59ec 1 /*
yamaguch 0:d81f611c59ec 2 Copyright (c) 2011, Senio Networks, Inc.
yamaguch 0:d81f611c59ec 3
yamaguch 0:d81f611c59ec 4 Permission is hereby granted, free of charge, to any person obtaining a copy
yamaguch 0:d81f611c59ec 5 of this software and associated documentation files (the "Software"), to deal
yamaguch 0:d81f611c59ec 6 in the Software without restriction, including without limitation the rights
yamaguch 0:d81f611c59ec 7 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
yamaguch 0:d81f611c59ec 8 copies of the Software, and to permit persons to whom the Software is
yamaguch 0:d81f611c59ec 9 furnished to do so, subject to the following conditions:
yamaguch 0:d81f611c59ec 10
yamaguch 0:d81f611c59ec 11 The above copyright notice and this permission notice shall be included in
yamaguch 0:d81f611c59ec 12 all copies or substantial portions of the Software.
yamaguch 0:d81f611c59ec 13
yamaguch 0:d81f611c59ec 14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
yamaguch 0:d81f611c59ec 15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
yamaguch 0:d81f611c59ec 16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
yamaguch 0:d81f611c59ec 17 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
yamaguch 0:d81f611c59ec 18 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
yamaguch 0:d81f611c59ec 19 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
yamaguch 0:d81f611c59ec 20 THE SOFTWARE.
yamaguch 0:d81f611c59ec 21 */
yamaguch 0:d81f611c59ec 22
yamaguch 0:d81f611c59ec 23 #ifndef STATION_H
yamaguch 0:d81f611c59ec 24 #define STATION_H
yamaguch 0:d81f611c59ec 25
yamaguch 0:d81f611c59ec 26 #include "SimpleSocket.h"
yamaguch 0:d81f611c59ec 27 #include <map>
yamaguch 0:d81f611c59ec 28 #include <string>
yamaguch 0:d81f611c59ec 29
yamaguch 2:a9d1a9c92927 30 /**
yamaguch 2:a9d1a9c92927 31 * A simple command/response network interface for mbed
yamaguch 2:a9d1a9c92927 32 */
yamaguch 0:d81f611c59ec 33 class Station {
yamaguch 0:d81f611c59ec 34 public:
yamaguch 2:a9d1a9c92927 35 /**
yamaguch 2:a9d1a9c92927 36 * creates a Station object
yamaguch 2:a9d1a9c92927 37 *
yamaguch 2:a9d1a9c92927 38 * @param port port number
yamaguch 2:a9d1a9c92927 39 */
yamaguch 0:d81f611c59ec 40 Station(int port) : server(port) {}
yamaguch 0:d81f611c59ec 41
yamaguch 0:d81f611c59ec 42 ~Station() {}
yamaguch 2:a9d1a9c92927 43
yamaguch 2:a9d1a9c92927 44 /**
yamaguch 2:a9d1a9c92927 45 * adds a command handler
yamaguch 2:a9d1a9c92927 46 *
yamaguch 2:a9d1a9c92927 47 * @param command name of the command
yamaguch 2:a9d1a9c92927 48 * @param handler pointer to the handler of the command
yamaguch 2:a9d1a9c92927 49 */
yamaguch 0:d81f611c59ec 50 void addHandler(string command, void (*handler)(void)) {
yamaguch 0:d81f611c59ec 51 handlerMap.insert(pair<string, FunctionPointer>(command, FunctionPointer(handler)));
yamaguch 0:d81f611c59ec 52 }
yamaguch 2:a9d1a9c92927 53
yamaguch 2:a9d1a9c92927 54 /**
yamaguch 2:a9d1a9c92927 55 * adds a command handler
yamaguch 2:a9d1a9c92927 56 *
yamaguch 2:a9d1a9c92927 57 * @param command name of the command
yamaguch 2:a9d1a9c92927 58 * @param tptr pointer to the object to call the handler on
yamaguch 2:a9d1a9c92927 59 * @param handler pointer to the handler of the command
yamaguch 2:a9d1a9c92927 60 */
yamaguch 0:d81f611c59ec 61 template <typename T> void addHandler(string command, T* tptr, void (T::*handler)(void)) {
yamaguch 0:d81f611c59ec 62 handlerMap.insert(pair<string, FunctionPointer>(command, FunctionPointer(tptr, handler)));
yamaguch 0:d81f611c59ec 63 }
yamaguch 0:d81f611c59ec 64
yamaguch 2:a9d1a9c92927 65 /**
yamaguch 2:a9d1a9c92927 66 * sets the buffer for communication between caller and callee
yamaguch 2:a9d1a9c92927 67 *
yamaguch 2:a9d1a9c92927 68 * @param buf pointer to the communication buffer
yamaguch 2:a9d1a9c92927 69 * @param length length of the buffer
yamaguch 2:a9d1a9c92927 70 */
yamaguch 0:d81f611c59ec 71 void setBuffer(char *buf, int length) {
yamaguch 0:d81f611c59ec 72 this->buf = buf;
yamaguch 0:d81f611c59ec 73 this->length = length;
yamaguch 0:d81f611c59ec 74 }
yamaguch 0:d81f611c59ec 75
yamaguch 2:a9d1a9c92927 76 /**
yamaguch 2:a9d1a9c92927 77 * Check for any client and handle its request. This function is expected to be called repeatedly in main loop.
yamaguch 2:a9d1a9c92927 78 */
yamaguch 0:d81f611c59ec 79 void handleClient() {
yamaguch 0:d81f611c59ec 80 ClientSocket client = server.accept(0);
yamaguch 0:d81f611c59ec 81 while (client) {
yamaguch 0:d81f611c59ec 82 if (client.available()) {
yamaguch 0:d81f611c59ec 83 memset(buf, '\0', length);
yamaguch 0:d81f611c59ec 84 int len = client.read(buf, this->length - 1);
yamaguch 0:d81f611c59ec 85 char name[16] = {};
yamaguch 0:d81f611c59ec 86 sscanf(buf, "%s", name);
yamaguch 0:d81f611c59ec 87 callHandler(string(name));
yamaguch 0:d81f611c59ec 88 if (buf[0]) {
yamaguch 0:d81f611c59ec 89 client.write(buf, strlen(buf));
yamaguch 0:d81f611c59ec 90 }
yamaguch 0:d81f611c59ec 91 client.close();
yamaguch 0:d81f611c59ec 92 }
yamaguch 0:d81f611c59ec 93 }
yamaguch 0:d81f611c59ec 94 }
yamaguch 0:d81f611c59ec 95
yamaguch 0:d81f611c59ec 96 private:
yamaguch 0:d81f611c59ec 97 ServerSocket server;
yamaguch 0:d81f611c59ec 98 map<string, FunctionPointer> handlerMap;
yamaguch 0:d81f611c59ec 99 char *buf;
yamaguch 0:d81f611c59ec 100 int length;
yamaguch 0:d81f611c59ec 101
yamaguch 0:d81f611c59ec 102 void callHandler(string name) {
yamaguch 0:d81f611c59ec 103 for (map<string, FunctionPointer>::iterator it = handlerMap.begin(); it != handlerMap.end(); it++) {
yamaguch 0:d81f611c59ec 104 if (name.compare(it->first) == 0) {
yamaguch 0:d81f611c59ec 105 (it->second).call();
yamaguch 1:a22e390c70b3 106 break;
yamaguch 0:d81f611c59ec 107 }
yamaguch 0:d81f611c59ec 108 }
yamaguch 0:d81f611c59ec 109 }
yamaguch 0:d81f611c59ec 110 };
yamaguch 0:d81f611c59ec 111
yamaguch 0:d81f611c59ec 112 #endif