SNMP agent attached to SPI slave

Dependencies:   mbed

Committer:
lorcansmith
Date:
Mon Aug 13 15:07:40 2012 +0000
Revision:
0:2a53a4c3238c
v1.1 release includes ioAlarm traps

Who changed what in which revision?

UserRevisionLine numberNew contents of line
lorcansmith 0:2a53a4c3238c 1
lorcansmith 0:2a53a4c3238c 2 /*
lorcansmith 0:2a53a4c3238c 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
lorcansmith 0:2a53a4c3238c 4
lorcansmith 0:2a53a4c3238c 5 Permission is hereby granted, free of charge, to any person obtaining a copy
lorcansmith 0:2a53a4c3238c 6 of this software and associated documentation files (the "Software"), to deal
lorcansmith 0:2a53a4c3238c 7 in the Software without restriction, including without limitation the rights
lorcansmith 0:2a53a4c3238c 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
lorcansmith 0:2a53a4c3238c 9 copies of the Software, and to permit persons to whom the Software is
lorcansmith 0:2a53a4c3238c 10 furnished to do so, subject to the following conditions:
lorcansmith 0:2a53a4c3238c 11
lorcansmith 0:2a53a4c3238c 12 The above copyright notice and this permission notice shall be included in
lorcansmith 0:2a53a4c3238c 13 all copies or substantial portions of the Software.
lorcansmith 0:2a53a4c3238c 14
lorcansmith 0:2a53a4c3238c 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
lorcansmith 0:2a53a4c3238c 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
lorcansmith 0:2a53a4c3238c 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
lorcansmith 0:2a53a4c3238c 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
lorcansmith 0:2a53a4c3238c 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
lorcansmith 0:2a53a4c3238c 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
lorcansmith 0:2a53a4c3238c 21 THE SOFTWARE.
lorcansmith 0:2a53a4c3238c 22 */
lorcansmith 0:2a53a4c3238c 23
lorcansmith 0:2a53a4c3238c 24 /** \file
lorcansmith 0:2a53a4c3238c 25 MySQL Client header file
lorcansmith 0:2a53a4c3238c 26 */
lorcansmith 0:2a53a4c3238c 27
lorcansmith 0:2a53a4c3238c 28 #ifndef MYSQL_CLIENT_H
lorcansmith 0:2a53a4c3238c 29 #define MYSQL_CLIENT_H
lorcansmith 0:2a53a4c3238c 30
lorcansmith 0:2a53a4c3238c 31 #include "core/net.h"
lorcansmith 0:2a53a4c3238c 32 #include "core/netservice.h"
lorcansmith 0:2a53a4c3238c 33 #include "api/TCPSocket.h"
lorcansmith 0:2a53a4c3238c 34 #include "api/DNSRequest.h"
lorcansmith 0:2a53a4c3238c 35 #include "mbed.h"
lorcansmith 0:2a53a4c3238c 36
lorcansmith 0:2a53a4c3238c 37 #include <string>
lorcansmith 0:2a53a4c3238c 38 using std::string;
lorcansmith 0:2a53a4c3238c 39
lorcansmith 0:2a53a4c3238c 40 #include <map>
lorcansmith 0:2a53a4c3238c 41 using std::map;
lorcansmith 0:2a53a4c3238c 42
lorcansmith 0:2a53a4c3238c 43 typedef unsigned char byte;
lorcansmith 0:2a53a4c3238c 44
lorcansmith 0:2a53a4c3238c 45 ///MySQL client results
lorcansmith 0:2a53a4c3238c 46 enum MySQLResult
lorcansmith 0:2a53a4c3238c 47 {
lorcansmith 0:2a53a4c3238c 48 MYSQL_OK, ///<Success
lorcansmith 0:2a53a4c3238c 49 MYSQL_PROCESSING, ///<Processing
lorcansmith 0:2a53a4c3238c 50 MYSQL_PRTCL, ///<Protocol error
lorcansmith 0:2a53a4c3238c 51 MYSQL_SETUP, ///<Not properly configured
lorcansmith 0:2a53a4c3238c 52 MYSQL_DNS, ///<Could not resolve name
lorcansmith 0:2a53a4c3238c 53 MYSQL_AUTHFAILED, ///<Auth failure
lorcansmith 0:2a53a4c3238c 54 MYSQL_READY, ///<Ready to send commands
lorcansmith 0:2a53a4c3238c 55 MYSQL_SQL, ///<SQL Error
lorcansmith 0:2a53a4c3238c 56 MYSQL_TIMEOUT, ///<Connection timeout
lorcansmith 0:2a53a4c3238c 57 MYSQL_CONN ///<Connection error
lorcansmith 0:2a53a4c3238c 58 };
lorcansmith 0:2a53a4c3238c 59
lorcansmith 0:2a53a4c3238c 60 ///A MySQL Client
lorcansmith 0:2a53a4c3238c 61 /**
lorcansmith 0:2a53a4c3238c 62 This MySQL client implements a limited subset of the MySQL internal client/server protocol (including authentication), for server versions 4.1 and newer.
lorcansmith 0:2a53a4c3238c 63 */
lorcansmith 0:2a53a4c3238c 64 class MySQLClient : protected NetService
lorcansmith 0:2a53a4c3238c 65 {
lorcansmith 0:2a53a4c3238c 66 public:
lorcansmith 0:2a53a4c3238c 67 ///Instantiates the MySQL client
lorcansmith 0:2a53a4c3238c 68 MySQLClient();
lorcansmith 0:2a53a4c3238c 69 virtual ~MySQLClient();
lorcansmith 0:2a53a4c3238c 70
lorcansmith 0:2a53a4c3238c 71 //High Level setup functions
lorcansmith 0:2a53a4c3238c 72
lorcansmith 0:2a53a4c3238c 73 ///Opens a connection to a server
lorcansmith 0:2a53a4c3238c 74 /**
lorcansmith 0:2a53a4c3238c 75 Opens a connection to the server host using the provided username, password passowrd and selecting database
lorcansmith 0:2a53a4c3238c 76 On completion of this call (and any further one), the callback set in parameter is fired with the result of that command in parameter
lorcansmith 0:2a53a4c3238c 77 @param host : server
lorcansmith 0:2a53a4c3238c 78 @param user : username
lorcansmith 0:2a53a4c3238c 79 @param db : database to use
lorcansmith 0:2a53a4c3238c 80 @param pMethod : callback to call on each request completion
lorcansmith 0:2a53a4c3238c 81 */
lorcansmith 0:2a53a4c3238c 82 MySQLResult open(Host& host, const string& user, const string& password, const string& db, void (*pMethod)(MySQLResult)); //Non blocking
lorcansmith 0:2a53a4c3238c 83
lorcansmith 0:2a53a4c3238c 84 ///Opens a connection to a server
lorcansmith 0:2a53a4c3238c 85 /**
lorcansmith 0:2a53a4c3238c 86 Opens a connection to the server host using the provided username, password passowrd and selecting database
lorcansmith 0:2a53a4c3238c 87 On completion of this call (and any further one), the callback set in parameter is fired with the result of that command in parameter
lorcansmith 0:2a53a4c3238c 88 @param host : server
lorcansmith 0:2a53a4c3238c 89 @param user : username
lorcansmith 0:2a53a4c3238c 90 @param db : database to use
lorcansmith 0:2a53a4c3238c 91 @param pItem : callback's class instance
lorcansmith 0:2a53a4c3238c 92 @param pMethod : callback's method to call on each request completion
lorcansmith 0:2a53a4c3238c 93 */
lorcansmith 0:2a53a4c3238c 94 template<class T>
lorcansmith 0:2a53a4c3238c 95 MySQLResult open(Host& host, const string& user, const string& password, const string& db, T* pItem, void (T::*pMethod)(MySQLResult)) //Non blocking
lorcansmith 0:2a53a4c3238c 96 {
lorcansmith 0:2a53a4c3238c 97 setOnResult(pItem, pMethod);
lorcansmith 0:2a53a4c3238c 98 setup(host, user, password, db);
lorcansmith 0:2a53a4c3238c 99 return MYSQL_PROCESSING;
lorcansmith 0:2a53a4c3238c 100 }
lorcansmith 0:2a53a4c3238c 101
lorcansmith 0:2a53a4c3238c 102
lorcansmith 0:2a53a4c3238c 103 ///Executes an SQL command
lorcansmith 0:2a53a4c3238c 104 /**
lorcansmith 0:2a53a4c3238c 105 Executes an SQL request on the SQL server
lorcansmith 0:2a53a4c3238c 106 This is a non-blocking function
lorcansmith 0:2a53a4c3238c 107 On completion, the callback set in the open function is fired with the result of the command in parameter
lorcansmith 0:2a53a4c3238c 108 @param sqlCommand SQL request to execute
lorcansmith 0:2a53a4c3238c 109 */
lorcansmith 0:2a53a4c3238c 110 MySQLResult sql(string& sqlCommand);
lorcansmith 0:2a53a4c3238c 111
lorcansmith 0:2a53a4c3238c 112 ///Closes the connection to the server
lorcansmith 0:2a53a4c3238c 113 MySQLResult exit();
lorcansmith 0:2a53a4c3238c 114
lorcansmith 0:2a53a4c3238c 115 void setOnResult( void (*pMethod)(MySQLResult) );
lorcansmith 0:2a53a4c3238c 116 class CDummy;
lorcansmith 0:2a53a4c3238c 117 template<class T>
lorcansmith 0:2a53a4c3238c 118 void setOnResult( T* pItem, void (T::*pMethod)(MySQLResult) )
lorcansmith 0:2a53a4c3238c 119 {
lorcansmith 0:2a53a4c3238c 120 m_pCb = NULL;
lorcansmith 0:2a53a4c3238c 121 m_pCbItem = (CDummy*) pItem;
lorcansmith 0:2a53a4c3238c 122 m_pCbMeth = (void (CDummy::*)(MySQLResult)) pMethod;
lorcansmith 0:2a53a4c3238c 123 }
lorcansmith 0:2a53a4c3238c 124
lorcansmith 0:2a53a4c3238c 125 ///Setups timeout
lorcansmith 0:2a53a4c3238c 126 /**
lorcansmith 0:2a53a4c3238c 127 @param ms : time of connection inactivity in ms after which the request should timeout
lorcansmith 0:2a53a4c3238c 128 */
lorcansmith 0:2a53a4c3238c 129 void setTimeout(int ms);
lorcansmith 0:2a53a4c3238c 130
lorcansmith 0:2a53a4c3238c 131 virtual void poll(); //Called by NetServices
lorcansmith 0:2a53a4c3238c 132
lorcansmith 0:2a53a4c3238c 133 protected:
lorcansmith 0:2a53a4c3238c 134 void resetTimeout();
lorcansmith 0:2a53a4c3238c 135
lorcansmith 0:2a53a4c3238c 136 void init();
lorcansmith 0:2a53a4c3238c 137 void close();
lorcansmith 0:2a53a4c3238c 138
lorcansmith 0:2a53a4c3238c 139 void setup(Host& host, const string& user, const string& password, const string& db); //Setup connection, make DNS Req if necessary
lorcansmith 0:2a53a4c3238c 140 void connect(); //Start Connection
lorcansmith 0:2a53a4c3238c 141
lorcansmith 0:2a53a4c3238c 142 void handleHandshake();
lorcansmith 0:2a53a4c3238c 143 void sendAuth();
lorcansmith 0:2a53a4c3238c 144
lorcansmith 0:2a53a4c3238c 145 void handleAuthResult();
lorcansmith 0:2a53a4c3238c 146 void sendAuth323();
lorcansmith 0:2a53a4c3238c 147
lorcansmith 0:2a53a4c3238c 148 void sendCommand(byte command, byte* arg, int len);
lorcansmith 0:2a53a4c3238c 149 void handleCommandResult();
lorcansmith 0:2a53a4c3238c 150
lorcansmith 0:2a53a4c3238c 151 void readData(); //Copy to buf
lorcansmith 0:2a53a4c3238c 152 void writeData(); //Copy from buf
lorcansmith 0:2a53a4c3238c 153
lorcansmith 0:2a53a4c3238c 154 void onTCPSocketEvent(TCPSocketEvent e);
lorcansmith 0:2a53a4c3238c 155 void onDNSReply(DNSReply r);
lorcansmith 0:2a53a4c3238c 156 void onResult(MySQLResult r); //Called when exchange completed or on failure
lorcansmith 0:2a53a4c3238c 157 void onTimeout(); //Connection has timed out
lorcansmith 0:2a53a4c3238c 158
lorcansmith 0:2a53a4c3238c 159 private:
lorcansmith 0:2a53a4c3238c 160 CDummy* m_pCbItem;
lorcansmith 0:2a53a4c3238c 161 void (CDummy::*m_pCbMeth)(MySQLResult);
lorcansmith 0:2a53a4c3238c 162
lorcansmith 0:2a53a4c3238c 163 void (*m_pCb)(MySQLResult);
lorcansmith 0:2a53a4c3238c 164
lorcansmith 0:2a53a4c3238c 165 TCPSocket* m_pTCPSocket;
lorcansmith 0:2a53a4c3238c 166
lorcansmith 0:2a53a4c3238c 167 Timer m_watchdog;
lorcansmith 0:2a53a4c3238c 168 int m_timeout;
lorcansmith 0:2a53a4c3238c 169
lorcansmith 0:2a53a4c3238c 170 DNSRequest* m_pDnsReq;
lorcansmith 0:2a53a4c3238c 171
lorcansmith 0:2a53a4c3238c 172 bool m_closed;
lorcansmith 0:2a53a4c3238c 173
lorcansmith 0:2a53a4c3238c 174 enum MySQLStep
lorcansmith 0:2a53a4c3238c 175 {
lorcansmith 0:2a53a4c3238c 176 // MYSQL_INIT,
lorcansmith 0:2a53a4c3238c 177 MYSQL_HANDSHAKE,
lorcansmith 0:2a53a4c3238c 178 MYSQL_AUTH,
lorcansmith 0:2a53a4c3238c 179 MYSQL_COMMANDS,
lorcansmith 0:2a53a4c3238c 180 MYSQL_CLOSED
lorcansmith 0:2a53a4c3238c 181 };
lorcansmith 0:2a53a4c3238c 182
lorcansmith 0:2a53a4c3238c 183 //Parameters
lorcansmith 0:2a53a4c3238c 184 Host m_host;
lorcansmith 0:2a53a4c3238c 185
lorcansmith 0:2a53a4c3238c 186 string m_user;
lorcansmith 0:2a53a4c3238c 187 string m_password;
lorcansmith 0:2a53a4c3238c 188 string m_db;
lorcansmith 0:2a53a4c3238c 189
lorcansmith 0:2a53a4c3238c 190 //Low-level buffers & state-machine
lorcansmith 0:2a53a4c3238c 191 MySQLStep m_state;
lorcansmith 0:2a53a4c3238c 192
lorcansmith 0:2a53a4c3238c 193 byte* m_buf;
lorcansmith 0:2a53a4c3238c 194 byte* m_pPos;
lorcansmith 0:2a53a4c3238c 195 int m_len;
lorcansmith 0:2a53a4c3238c 196 int m_size;
lorcansmith 0:2a53a4c3238c 197
lorcansmith 0:2a53a4c3238c 198 int m_packetId;
lorcansmith 0:2a53a4c3238c 199
lorcansmith 0:2a53a4c3238c 200 };
lorcansmith 0:2a53a4c3238c 201
lorcansmith 0:2a53a4c3238c 202 #endif