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MySQLClient
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Donatien Garnier
LPC2368/services/mysql/MySQLClient.h@0:403b85869e53, 2010-06-11 (annotated)
- Committer:
- donatien
- Date:
- Fri Jun 11 16:26:30 2010 +0000
- Revision:
- 0:403b85869e53
- Child:
- 5:91c24a06d12c
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| donatien | 0:403b85869e53 | 1 | |
| donatien | 0:403b85869e53 | 2 | /* |
| donatien | 0:403b85869e53 | 3 | Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com) |
| donatien | 0:403b85869e53 | 4 | |
| donatien | 0:403b85869e53 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy |
| donatien | 0:403b85869e53 | 6 | of this software and associated documentation files (the "Software"), to deal |
| donatien | 0:403b85869e53 | 7 | in the Software without restriction, including without limitation the rights |
| donatien | 0:403b85869e53 | 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| donatien | 0:403b85869e53 | 9 | copies of the Software, and to permit persons to whom the Software is |
| donatien | 0:403b85869e53 | 10 | furnished to do so, subject to the following conditions: |
| donatien | 0:403b85869e53 | 11 | |
| donatien | 0:403b85869e53 | 12 | The above copyright notice and this permission notice shall be included in |
| donatien | 0:403b85869e53 | 13 | all copies or substantial portions of the Software. |
| donatien | 0:403b85869e53 | 14 | |
| donatien | 0:403b85869e53 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| donatien | 0:403b85869e53 | 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| donatien | 0:403b85869e53 | 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| donatien | 0:403b85869e53 | 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| donatien | 0:403b85869e53 | 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| donatien | 0:403b85869e53 | 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| donatien | 0:403b85869e53 | 21 | THE SOFTWARE. |
| donatien | 0:403b85869e53 | 22 | */ |
| donatien | 0:403b85869e53 | 23 | |
| donatien | 0:403b85869e53 | 24 | #ifndef MYSQL_CLIENT_H |
| donatien | 0:403b85869e53 | 25 | #define MYSQL_CLIENT_H |
| donatien | 0:403b85869e53 | 26 | |
| donatien | 0:403b85869e53 | 27 | #include "if/net/net.h" |
| donatien | 0:403b85869e53 | 28 | #include "api/TCPSocket.h" |
| donatien | 0:403b85869e53 | 29 | #include "api/DNSRequest.h" |
| donatien | 0:403b85869e53 | 30 | #include "mbed.h" |
| donatien | 0:403b85869e53 | 31 | |
| donatien | 0:403b85869e53 | 32 | #include <string> |
| donatien | 0:403b85869e53 | 33 | using std::string; |
| donatien | 0:403b85869e53 | 34 | |
| donatien | 0:403b85869e53 | 35 | #include <map> |
| donatien | 0:403b85869e53 | 36 | using std::map; |
| donatien | 0:403b85869e53 | 37 | |
| donatien | 0:403b85869e53 | 38 | typedef unsigned char byte; |
| donatien | 0:403b85869e53 | 39 | |
| donatien | 0:403b85869e53 | 40 | enum MySQLResult |
| donatien | 0:403b85869e53 | 41 | { |
| donatien | 0:403b85869e53 | 42 | MYSQL_OK, |
| donatien | 0:403b85869e53 | 43 | MYSQL_PROCESSING, |
| donatien | 0:403b85869e53 | 44 | MYSQL_PRTCL, |
| donatien | 0:403b85869e53 | 45 | MYSQL_SETUP, //Not properly configured |
| donatien | 0:403b85869e53 | 46 | MYSQL_DNS, //Could not resolve name |
| donatien | 0:403b85869e53 | 47 | MYSQL_AUTHFAILED, //Auth failure |
| donatien | 0:403b85869e53 | 48 | MYSQL_READY, //Ready to send commands |
| donatien | 0:403b85869e53 | 49 | MYSQL_SQL, //SQL Error |
| donatien | 0:403b85869e53 | 50 | MYSQL_TIMEOUT, //Connection timeout |
| donatien | 0:403b85869e53 | 51 | MYSQL_CONN //Connection error |
| donatien | 0:403b85869e53 | 52 | }; |
| donatien | 0:403b85869e53 | 53 | |
| donatien | 0:403b85869e53 | 54 | class MySQLClient : protected NetService |
| donatien | 0:403b85869e53 | 55 | { |
| donatien | 0:403b85869e53 | 56 | public: |
| donatien | 0:403b85869e53 | 57 | MySQLClient(); |
| donatien | 0:403b85869e53 | 58 | virtual ~MySQLClient(); |
| donatien | 0:403b85869e53 | 59 | |
| donatien | 0:403b85869e53 | 60 | //High Level setup functions |
| donatien | 0:403b85869e53 | 61 | MySQLResult open(Host& host, const string& user, const string& password, const string& db, void (*pMethod)(MySQLResult)); //Non blocking |
| donatien | 0:403b85869e53 | 62 | template<class T> |
| donatien | 0:403b85869e53 | 63 | MySQLResult open(Host& host, const string& user, const string& password, const string& db, T* pItem, void (T::*pMethod)(MySQLResult)) //Non blocking |
| donatien | 0:403b85869e53 | 64 | { |
| donatien | 0:403b85869e53 | 65 | setOnResult(pItem, pMethod); |
| donatien | 0:403b85869e53 | 66 | setup(host, user, password, db); |
| donatien | 0:403b85869e53 | 67 | return MYSQL_PROCESSING; |
| donatien | 0:403b85869e53 | 68 | } |
| donatien | 0:403b85869e53 | 69 | |
| donatien | 0:403b85869e53 | 70 | MySQLResult sql(string& sqlCommand); |
| donatien | 0:403b85869e53 | 71 | |
| donatien | 0:403b85869e53 | 72 | MySQLResult exit(); |
| donatien | 0:403b85869e53 | 73 | |
| donatien | 0:403b85869e53 | 74 | void setOnResult( void (*pMethod)(MySQLResult) ); |
| donatien | 0:403b85869e53 | 75 | class CDummy; |
| donatien | 0:403b85869e53 | 76 | template<class T> |
| donatien | 0:403b85869e53 | 77 | void setOnResult( T* pItem, void (T::*pMethod)(MySQLResult) ) |
| donatien | 0:403b85869e53 | 78 | { |
| donatien | 0:403b85869e53 | 79 | m_pCb = NULL; |
| donatien | 0:403b85869e53 | 80 | m_pCbItem = (CDummy*) pItem; |
| donatien | 0:403b85869e53 | 81 | m_pCbMeth = (void (CDummy::*)(MySQLResult)) pMethod; |
| donatien | 0:403b85869e53 | 82 | } |
| donatien | 0:403b85869e53 | 83 | |
| donatien | 0:403b85869e53 | 84 | void setTimeout(int ms); |
| donatien | 0:403b85869e53 | 85 | |
| donatien | 0:403b85869e53 | 86 | virtual void poll(); //Called by NetServices |
| donatien | 0:403b85869e53 | 87 | |
| donatien | 0:403b85869e53 | 88 | protected: |
| donatien | 0:403b85869e53 | 89 | void resetTimeout(); |
| donatien | 0:403b85869e53 | 90 | |
| donatien | 0:403b85869e53 | 91 | void init(); |
| donatien | 0:403b85869e53 | 92 | void close(); |
| donatien | 0:403b85869e53 | 93 | |
| donatien | 0:403b85869e53 | 94 | void setup(Host& host, const string& user, const string& password, const string& db); //Setup connection, make DNS Req if necessary |
| donatien | 0:403b85869e53 | 95 | void connect(); //Start Connection |
| donatien | 0:403b85869e53 | 96 | |
| donatien | 0:403b85869e53 | 97 | void handleHandshake(); |
| donatien | 0:403b85869e53 | 98 | void sendAuth(); |
| donatien | 0:403b85869e53 | 99 | |
| donatien | 0:403b85869e53 | 100 | void handleAuthResult(); |
| donatien | 0:403b85869e53 | 101 | void sendAuth323(); |
| donatien | 0:403b85869e53 | 102 | |
| donatien | 0:403b85869e53 | 103 | void sendCommand(byte command, byte* arg, int len); |
| donatien | 0:403b85869e53 | 104 | void handleCommandResult(); |
| donatien | 0:403b85869e53 | 105 | |
| donatien | 0:403b85869e53 | 106 | void readData(); //Copy to buf |
| donatien | 0:403b85869e53 | 107 | void writeData(); //Copy from buf |
| donatien | 0:403b85869e53 | 108 | |
| donatien | 0:403b85869e53 | 109 | void onTCPSocketEvent(TCPSocketEvent e); |
| donatien | 0:403b85869e53 | 110 | void onDNSReply(DNSReply r); |
| donatien | 0:403b85869e53 | 111 | void onResult(MySQLResult r); //Called when exchange completed or on failure |
| donatien | 0:403b85869e53 | 112 | void onTimeout(); //Connection has timed out |
| donatien | 0:403b85869e53 | 113 | |
| donatien | 0:403b85869e53 | 114 | private: |
| donatien | 0:403b85869e53 | 115 | CDummy* m_pCbItem; |
| donatien | 0:403b85869e53 | 116 | void (CDummy::*m_pCbMeth)(MySQLResult); |
| donatien | 0:403b85869e53 | 117 | |
| donatien | 0:403b85869e53 | 118 | void (*m_pCb)(MySQLResult); |
| donatien | 0:403b85869e53 | 119 | |
| donatien | 0:403b85869e53 | 120 | TCPSocket* m_pTCPSocket; |
| donatien | 0:403b85869e53 | 121 | |
| donatien | 0:403b85869e53 | 122 | Timer m_watchdog; |
| donatien | 0:403b85869e53 | 123 | int m_timeout; |
| donatien | 0:403b85869e53 | 124 | |
| donatien | 0:403b85869e53 | 125 | DNSRequest* m_pDnsReq; |
| donatien | 0:403b85869e53 | 126 | |
| donatien | 0:403b85869e53 | 127 | bool m_closed; |
| donatien | 0:403b85869e53 | 128 | |
| donatien | 0:403b85869e53 | 129 | enum MySQLStep |
| donatien | 0:403b85869e53 | 130 | { |
| donatien | 0:403b85869e53 | 131 | // MYSQL_INIT, |
| donatien | 0:403b85869e53 | 132 | MYSQL_HANDSHAKE, |
| donatien | 0:403b85869e53 | 133 | MYSQL_AUTH, |
| donatien | 0:403b85869e53 | 134 | MYSQL_COMMANDS, |
| donatien | 0:403b85869e53 | 135 | MYSQL_CLOSED |
| donatien | 0:403b85869e53 | 136 | }; |
| donatien | 0:403b85869e53 | 137 | |
| donatien | 0:403b85869e53 | 138 | //Parameters |
| donatien | 0:403b85869e53 | 139 | Host m_host; |
| donatien | 0:403b85869e53 | 140 | |
| donatien | 0:403b85869e53 | 141 | string m_user; |
| donatien | 0:403b85869e53 | 142 | string m_password; |
| donatien | 0:403b85869e53 | 143 | string m_db; |
| donatien | 0:403b85869e53 | 144 | |
| donatien | 0:403b85869e53 | 145 | //Low-level buffers & state-machine |
| donatien | 0:403b85869e53 | 146 | MySQLStep m_state; |
| donatien | 0:403b85869e53 | 147 | |
| donatien | 0:403b85869e53 | 148 | byte* m_buf; |
| donatien | 0:403b85869e53 | 149 | byte* m_pPos; |
| donatien | 0:403b85869e53 | 150 | int m_len; |
| donatien | 0:403b85869e53 | 151 | int m_size; |
| donatien | 0:403b85869e53 | 152 | |
| donatien | 0:403b85869e53 | 153 | int m_packetId; |
| donatien | 0:403b85869e53 | 154 | |
| donatien | 0:403b85869e53 | 155 | }; |
| donatien | 0:403b85869e53 | 156 | |
| donatien | 0:403b85869e53 | 157 | #endif |