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root / trunk / code / projects / colonet / ColonetServer / Logging.cpp @ 11

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/**
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 *
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 *  @author Jason Knichel
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 *
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 */
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#include <time.h>
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#include <string.h>
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#include <stdio.h>
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#include "includes/Logging.h"
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Log::Log(char * filename)
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{
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  printf("Creating log object\n");
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  if (!filename)
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    {
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      fprintf(stderr, "Provided a null filename when trying to create a log.\n");
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      return;
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    }
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  logFile = fopen(filename, "a"); //open file for appending
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  if (!logFile)
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    {
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      fprintf(stderr, "Error opening %s as log file.\n", filename);
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      return;
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    }
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  printf("About to log start message.\n");
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  logMessage(LOG_TYPE_START_LOG, "Starting server");
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}
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Log::~Log()
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{
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  if (!logFile)
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    fclose(logFile);
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}
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struct tm Log::getCurrentTime()
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{
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  struct tm currTime;
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  memset(&currTime, 0, sizeof(struct tm));
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  time_t t = time(NULL);
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  localtime_r(&t, &currTime);
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  return currTime;  
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}
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int Log::logMessage(int type, char * message)
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{
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  if (!logFile)
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    {
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      fprintf(stderr, "Tried to log a message but the file pointer was null.\n");
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      return -1;
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    }
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  if (!message)
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    {
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      fprintf(stderr, "Tried to log a null message.\n");
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      return -1;
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    }
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  static char * start_log = "Starting Log";
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  static char * connect = "Client Connecting";
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  static char * disconnect = "Client Disconnecting";
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  static char * error = "Error";
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  static char * logGenMessage = "Generic Message";
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  char * messageType;
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  switch(type)
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    {
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    case LOG_TYPE_START_LOG:
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      messageType = start_log;
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      break;
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    case LOG_TYPE_CONNECT:
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      messageType = connect;
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      break;
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    case LOG_TYPE_DISCONNECT:
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      messageType = disconnect;
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      break;
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    case LOG_TYPE_ERROR:
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      messageType = error;
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      break;
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    case LOG_TYPE_MESSAGE:
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      messageType = logGenMessage;
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      break;
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    default:
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      fprintf(stderr, "Tried to log a message with an invalid type.\n");
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      return -1;
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    }
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  struct tm currTime = getCurrentTime();
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  char buffer[LOG_MAX_TIME_LENGTH];
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  asctime_r(&currTime, buffer);
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  int len = strlen(buffer);
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  buffer[len-1] = '\0'; //remove the newline that is put at the end by asctime_r
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  fprintf(logFile, "%s %*s   %s\n", buffer, LOG_MAX_TYPE_LENGTH, messageType, message);
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  fflush(logFile);
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  return 0;
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}
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