void Logstalgia::readLog(int buffer_rows) {
profile_start("readLog");
set_utc_tz();
int entries_read = 0;
std::string linestr;
BaseLog* baselog = getLog();
time_t read_timestamp = 0;
while( baselog->getNextLine(linestr) ) {
//trim whitespace
if(linestr.size()>0) {
size_t string_end =
linestr.find_last_not_of(" \t\f\v\n\r");
if(string_end == std::string::npos) {
linestr = "";
} else if(string_end != linestr.size()-1) {
linestr = linestr.substr(0,string_end+1);
}
}
LogEntry le;
bool parsed_entry;
//determine format
if(accesslog==0) {
//is this a recognized NCSA access log?
NCSALog* ncsalog = new NCSALog();
if((parsed_entry = ncsalog->parseLine(linestr, le))) {
accesslog = ncsalog;
} else {
delete ncsalog;
}
if(accesslog==0) {
//is this a custom log?
CustomAccessLog* customlog = new CustomAccessLog();
if((parsed_entry = customlog->parseLine(linestr, le))) {
accesslog = customlog;
} else {
delete customlog;
}
}
} else {
if(!(parsed_entry = accesslog->parseLine(linestr, le))) {
debugLog("error: could not read line %s\n", linestr.c_str());
}
}
if(parsed_entry) {
if((!mintime || mintime <= le.timestamp) && (!settings.stop_time || settings.stop_time > le.timestamp)) {
queued_entries.push_back(new LogEntry(le));
total_entries++;
entries_read++;
//read at least the buffered row count if specified
//otherwise read all entries with the same time
if(buffer_rows) {
if(entries_read > buffer_rows) break;
} else {
if(read_timestamp && read_timestamp < le.timestamp) break;
}
read_timestamp = le.timestamp;
}
}
}
profile_stop();
unset_utc_tz();
if(queued_entries.empty() && seeklog != 0) {
if(total_entries==0) {
if(mintime != 0) {
logstalgia_quit("could not parse any entries in the specified time period");
} else {
logstalgia_quit("could not parse any entries");
}
}
//no more entries
end_reached = true;
return;
}
if(seeklog != 0) {
float percent = seeklog->getPercent();
if(percent > settings.stop_position) {
end_reached = true;
return;
}
if(!settings.disable_progress) slider.setPercent(percent);
}
//set start time if currently 0
if(starttime==0 && !queued_entries.empty()) {
starttime = queued_entries.front()->timestamp;
currtime = 0;
}
}
void Logstalgia::readLog(int buffer_rows) {
profile_start("readLog");
//change TZ to UTC
putenv((char*)"TZ=UTC");
tzset();
int entries_read = 0;
std::string linestr;
BaseLog* baselog = getLog();
time_t read_timestamp = 0;
while( baselog->getNextLine(linestr) ) {
//trim whitespace
if(linestr.size()>0) {
size_t string_end =
linestr.find_last_not_of(" \t\f\v\n\r");
if(string_end == std::string::npos) {
linestr = "";
} else if(string_end != linestr.size()-1) {
linestr = linestr.substr(0,string_end+1);
}
}
LogEntry le;
bool parsed_entry;
//determine format
if(accesslog==0) {
//is this a recognized NCSA access log?
NCSALog* ncsalog = new NCSALog();
if((parsed_entry = ncsalog->parseLine(linestr, le))) {
accesslog = ncsalog;
} else {
delete ncsalog;
}
if(accesslog==0) {
//is this a custom log?
CustomAccessLog* customlog = new CustomAccessLog();
if((parsed_entry = customlog->parseLine(linestr, le))) {
accesslog = customlog;
} else {
delete customlog;
}
}
} else {
if(!(parsed_entry = accesslog->parseLine(linestr, le))) {
debugLog("error: could not read line %s\n", linestr.c_str());
}
}
if(parsed_entry) {
if(mintime == 0 || mintime <= le.timestamp) {
queued_entries.push_back(new LogEntry(le));
total_entries++;
entries_read++;
//read at least the buffered row count if specified
//otherwise read all entries with the same time
if(buffer_rows) {
if(entries_read > buffer_rows) break;
} else {
if(read_timestamp && read_timestamp < le.timestamp) break;
}
read_timestamp = le.timestamp;
}
}
}
profile_stop();
//reset TZ to previous value
if(!old_tz.empty()) {
putenv((char*)old_tz.c_str());
} else {
#ifdef HAVE_UNSETENV
unsetenv("TZ");
#else
putenv("TZ=");
#endif
}
tzset();
if(queued_entries.empty() && seeklog != 0) {
if(total_entries==0) {
logstalgia_quit("could not parse first entry");
}
//no more entries
end_reached = true;
return;
}
if(seeklog != 0) {
float percent = seeklog->getPercent();
if(percent > gStopPosition) {
end_reached = true;
return;
}
if(!gDisableProgress) slider.setPercent(percent);
}
//set start time if currently 0
if(starttime==0 && !queued_entries.empty()) {
starttime = queued_entries.front()->timestamp;
currtime = 0;
}
}