Diff: log/logger.h

Revision:

0:fd63457452f4

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/log/logger.h	Wed Jul 28 11:02:36 2010 +0000
@@ -0,0 +1,91 @@
+/*
+Copyright (c) 2010 ARM Limited
+
+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.
+*/
+
+#ifndef LOGGER_H
+#define LOGGER_H
+
+#include "MySQLClient.h"
+
+#include "queue.h"
+
+#include <string>
+using std::string;
+
+#include "mbed.h"
+
+#include "loginfo.h"
+
+/*
+The logger is responsible for writing data in the CSV file and queueing SQL requests and executing them on the SQL server using a MySQL client instance.
+*/
+class Logger
+{
+public:
+  Logger(const string& table);
+  ~Logger();
+  
+  //File Logging
+  int fileOpen(const char* filename);
+  int fileClose();
+  
+  //SQL Logging
+  int sqlOpen(Host& host, const string& user, const string& password, const string& db);
+  int sqlClose();
+  
+  //Log an event
+  int log(LogInfo* pInfo); //Returns 0 on success, -1 on failure
+  
+  //Main service routine, must be called regularly
+  void service();
+  
+  //Checks if requests queue is empty
+  bool isEmpty();
+
+  //Status info about SQL connection
+  bool isConnecting();    
+  bool isConnected();  
+  bool connectionError();
+  
+  MySQLResult getLastResult();
+  
+protected:
+  //Callback from MySQL client
+  void onMySQLResult(MySQLResult r);
+
+private:
+  mbed::queue<string> m_lSQLReq;
+  FILE* m_fd;
+  
+  string m_table;
+  
+ // Timer m_reqTimer;
+  MySQLClient m_sqlClient;
+  MySQLResult m_sqlLastResult;
+  
+  bool m_sqlConnecting;
+  bool m_sqlConnected;
+  bool m_sqlConnectionError;
+  bool m_sqlCommand;
+
+};
+
+#endif