---

httpstats.C

Go to the documentation of this file.

// $Id: httpstats.C,v 1.4 2001/04/13 05:45:44 dvermeir Exp $

// httpstats main function

#include <string>
#include <fstream>

#include "configuration.h"
#include "logrecord.h"
#include "stats.h"

int 
main(int argc,char* argv[]) {
const string usage("httpstats configfile logfile");
// 1. check arguments: there must be exactly 2 of them.
if (argc!=3) {
  cerr << "Usage: " << usage << endl;
  return 1; 
  }

string config_file_name(argv[1]);
string log_file_name(argv[2]);

// 2. parse confiuration file. We will use a class Configuration that
// will contain the configuration information. 
// But firs, we attempt to open the file.
ifstream config_file(config_file_name.c_str());
if (!config_file) {
  cerr << "Cannot open configuration file \"" << config_file_name << "\"" << endl;
  return 1;
  }

Configuration config; 
if (!config.parse(config_file)) {
  cerr << "Fatal error in configuration file \"" << config_file_name << "\"" << endl;
  return 1;
  }

// 3. Process the log file line by line and process each line using config.
ifstream log_file(log_file_name.c_str());
if (!log_file) {
  cerr << "Cannot open log file \"" << log_file_name << "\"" << endl;
  return 1;
  }


// A stats object probably must know about config.
Stats      stats(config);  
string     line;
LogRecord  logrecord;
// # of lines succesfully parsed
int        n_lines_parsed(0); 
// # of lines with errors 
int        n_error_lines(0);

while (getline(log_file,line)) {
  if (parse_line(line,logrecord)) {
    stats.add(logrecord);
    ++n_lines_parsed;
    }
  else
    ++n_error_lines;
  }

cerr << n_lines_parsed << " lines processed, " 
     << n_error_lines << " lines had errors" << endl;
}

---

httpstats-stage00 [ 7 April, 2001]