#include <string>#include <fstream>#include "configuration.h"#include "logrecord.h"#include "stats.h"Go to the source code of this file.
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Definition at line 13 of file httpstats.C. 00013 {
00014 const string usage("httpstats configfile logfile");
00015 // 1. check arguments: there must be exactly 2 of them.
00016 if (argc!=3) {
00017 cerr << "Usage: " << usage << endl;
00018 return 1;
00019 }
00020
00021 string config_file_name(argv[1]);
00022 string log_file_name(argv[2]);
00023
00024 // 2. parse confiuration file. We will use a class Configuration that
00025 // will contain the configuration information.
00026 // But firs, we attempt to open the file.
00027 ifstream config_file(config_file_name.c_str());
00028 if (!config_file) {
00029 cerr << "Cannot open configuration file \"" << config_file_name << "\"" << endl;
00030 return 1;
00031 }
00032
00033 Configuration config;
00034 if (!config.parse(config_file)) {
00035 cerr << "Fatal error in configuration file \"" << config_file_name << "\"" << endl;
00036 return 1;
00037 }
00038
00039 // 3. Process the log file line by line and process each line using config.
00040 ifstream log_file(log_file_name.c_str());
00041 if (!log_file) {
00042 cerr << "Cannot open log file \"" << log_file_name << "\"" << endl;
00043 return 1;
00044 }
00045
00046
00047 // A stats object probably must know about config.
00048 Stats stats(config);
00049 string line;
00050 LogRecord logrecord;
00051 // # of lines succesfully parsed
00052 int n_lines_parsed(0);
00053 // # of lines with errors
00054 int n_error_lines(0);
00055
00056 while (getline(log_file,line)) {
00057 if (parse_line(line,logrecord)) {
00058 stats.add(logrecord);
00059 ++n_lines_parsed;
00060 }
00061 else
00062 ++n_error_lines;
00063 }
00064
00065 cerr << n_lines_parsed << " lines processed, "
00066 << n_error_lines << " lines had errors" << endl;
00067 }
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