int main(int argc, char *argv[]) {
//defaults
int width = 1024;
int height = 768;
bool fullscreen = false;
float simu_speed = 1.0f;
float update_rate = 5.0f;
float time_scale = 1.0f;
bool multisample = false;
vec3f background = vec3f(0.0, 0.0, 0.0);
int video_framerate = 60;
std::string ppm_file_name;
std::string mpeg_file_name;
std::string logfile = "";
std::vector<std::string> groupstr;
std::vector<std::string> arguments;
XInitThreads();
SDLAppInit("Logstalgia", "logstalgia");
SDLAppParseArgs(argc, argv, &width, &height, &fullscreen, &arguments);
for (int i=0; i<arguments.size(); i++) {
std::string args = arguments[i];
if(args == "-h" || args == "-?" || args == "--help") {
logstalgia_help();
}
if(args == "-c") {
gSplash = 15.0f;
continue;
}
if(args == "-x" || args == "--full-hostnames") {
gMask = false;
continue;
}
if(args == "--hide-url-prefix") {
gHideURLPrefix = true;
continue;
}
if(args == "-s" || args == "--speed") {
if((i+1)>=arguments.size()) {
logstalgia_quit("specify speed (1 to 30)");
}
simu_speed = atof(arguments[++i].c_str());
if(simu_speed < 1.0f || simu_speed > 30.0f) {
logstalgia_quit("speed should be between 1 and 30\n");
}
continue;
}
if(args == "-t" || args == "--time-scale") {
if((i+1)>=arguments.size()) {
logstalgia_quit("specify time scale (0.25 to 4)");
}
time_scale = atof(arguments[++i].c_str());
if(time_scale < 0.25f || time_scale > 4.0f) {
logstalgia_quit("time scale should be between 0.25 and 4\n");
}
continue;
}
if(args == "-u" || args == "--update-rate") {
if((i+1)>=arguments.size()) {
logstalgia_quit("specify update rate (1 to 60)");
}
update_rate = atof(arguments[++i].c_str());
if(update_rate < 1.0f || update_rate > 60.0f) {
logstalgia_quit("update rate should be between 1 and 60\n");
}
continue;
}
//specify page url group
if(args == "-g") {
if((i+1)>=arguments.size()) {
logstalgia_quit("specify group definition");
}
groupstr.push_back(arguments[++i].c_str());
continue;
}
if(args == "--paddle-mode") {
if((i+1)>=arguments.size()) {
logstalgia_quit("specify paddle-mode (vhost,pid)");
}
std::string paddle_mode = arguments[++i];
if(paddle_mode == "single") {
gPaddleMode = PADDLE_SINGLE;
} else if(paddle_mode == "pid") {
gPaddleMode = PADDLE_PID;
} else if(paddle_mode == "vhost") {
gPaddleMode = PADDLE_VHOST;
} else {
logstalgia_quit("invalid paddle-mode");
}
continue;
}
if(args == "--paddle-position") {
if((i+1)>=arguments.size()) {
logstalgia_quit("specify paddle-position (0.25 - 0.75)");
}
gPaddlePosition = atof(arguments[++i].c_str());
if(gPaddlePosition < 0.25f || gPaddlePosition > 0.75f) {
logstalgia_quit("paddle-position outside of range 0.25 - 0.75");
}
continue;
}
if(args == "--font-size") {
if((i+1)>=arguments.size()) {
logstalgia_quit("specify font-size (10 - 40)");
}
gFontSize = atoi(arguments[++i].c_str());
if(gFontSize < 10 || gFontSize > 40) {
logstalgia_quit("font-size outside of range 10 - 40");
}
continue;
}
if(args == "-b" || args == "--background") {
if((i+1)>=arguments.size()) {
logstalgia_quit("specify background colour (FFFFFF)");
}
int r,g,b;
std::string colstring = arguments[++i];
if(colstring.size()==6 && sscanf(colstring.c_str(), "%02x%02x%02x", &r, &g, &b) == 3) {
background = vec3f(r,g,b);
background /= 255.0f;
} else {
logstalgia_quit("invalid colour string");
}
continue;
}
//dont bounce
if(args == "--no-bounce") {
gBounce = false;
continue;
}
//dont draw response code
if(args == "--hide-response-code") {
gResponseCode = false;
continue;
}
//no paddle
if(args == "--hide-paddle") {
gPaddleMode = PADDLE_NONE;
continue;
}
if(args == "--start-position") {
if((i+1)>=arguments.size()) {
logstalgia_quit("specify start-position (0.0 - 1.0)");
}
gStartPosition = atof(arguments[++i].c_str());
if(gStartPosition<=0.0 || gStartPosition>=1.0) {
logstalgia_quit("start-position outside of range 0.0 - 1.0 (non-inclusive)");
}
continue;
}
if(args == "--stop-position") {
if((i+1)>=arguments.size()) {
logstalgia_quit("specify stop-position (0.0 - 1.0)");
}
gStopPosition = atof(arguments[++i].c_str());
if(gStopPosition<=0.0 || gStopPosition>1.0) {
logstalgia_quit("stop-position outside of range 0.0 - 1.0");
}
continue;
}
//disable automatic skipping of empty time periods
if(args == "--disable-auto-skip") {
gAutoSkip = false;
continue;
}
//disable progress bar
if(args == "--disable-progress") {
gDisableProgress = true;
continue;
}
if(args == "--disable-glow") {
gDisableGlow = true;
continue;
}
//enable multisampling
if(args == "--multi-sampling") {
multisample = true;
continue;
}
if(args == "--glow-duration") {
if((i+1)>=arguments.size()) {
logstalgia_quit("specify glow-duration (float)");
}
gGlowDuration = atof(arguments[++i].c_str());
if(gGlowDuration<=0.0 || gGlowDuration>1.0) {
logstalgia_quit("glow-duration outside of range 0.0 - 1.0");
}
continue;
}
if(args == "--glow-intensity") {
if((i+1)>=arguments.size()) {
logstalgia_quit("specify glow-intensity (float)");
}
gGlowIntensity = atof(arguments[++i].c_str());
if(gGlowIntensity<=0.0) {
logstalgia_quit("invalid glow-intensity value");
}
continue;
}
if(args == "--glow-multiplier") {
if((i+1)>=arguments.size()) {
logstalgia_quit("specify glow-multiplier (float)");
}
gGlowMultiplier = atof(arguments[++i].c_str());
if(gGlowMultiplier<=0.0) {
logstalgia_quit("invalid glow-multiplier value");
}
continue;
}
if(args == "--output-ppm-stream") {
if((i+1)>=arguments.size()) {
logstalgia_quit("specify ppm output file or '-' for stdout");
}
ppm_file_name = arguments[++i];
#ifdef _WIN32
if(ppm_file_name == "-") {
logstalgia_quit("stdout PPM mode not supported on Windows");
}
#endif
continue;
}
if(args == "--output-mpeg-stream") {
if((i+1)>=arguments.size()) {
logstalgia_quit("specify mpeg output file or '-' for stdout");
}
mpeg_file_name = arguments[++i];
#ifdef _WIN32
if(mpeg_file_name == "-") {
logstalgia_quit("stdout MPEG mode not supported on Windows");
}
#endif
continue;
}
if(args == "--output-framerate") {
if((i+1)>=arguments.size()) {
logstalgia_quit("specify framerate (25,30,60)");
}
video_framerate = atoi(arguments[++i].c_str());
if( video_framerate != 25
&& video_framerate != 30
&& video_framerate != 60) {
logstalgia_quit("supported framerates are 25,30,60");
}
continue;
}
if(args == "--sync") {
gSyncLog = true;
if(!logfile.size()) logfile = "-";
continue;
}
//if given a non option arg treat it as a file, or if it is '-', pass that too (stdin)
if(args == "-" || args.size() >= 1 && args[0] != '-') {
logfile = args;
continue;
}
// unknown argument
std::string arg_error = std::string("unknown option ") + std::string(args);
logstalgia_quit(arg_error);
}
#ifdef _WIN32
if(!logfile.size()) {
//open file dialog
logfile = win32LogSelector();
if(!logfile.size()) return 0;
}
#endif
if(!logfile.size()) logstalgia_quit("no file supplied");
// wait for a character on the file handle if reading stdin
if(logfile == "-") {
#ifdef _WIN32
DWORD available_bytes;
HANDLE stdin_handle = GetStdHandle(STD_INPUT_HANDLE);
while(PeekNamedPipe(stdin_handle, 0, 0, 0,
&available_bytes, 0) && available_bytes==0 && !std::cin.fail()) {
SDL_Delay(100);
}
#else
while(std::cin.peek() == EOF && !std::cin.fail()) SDL_Delay(100);
#endif
std::cin.clear();
}
//enable vsync
display.enableVsync(true);
// this causes corruption on some video drivers
if(multisample) display.multiSample(4);
display.init("Logstalgia", width, height, fullscreen);
//init frame exporter
FrameExporter* exporter = 0;
if(ppm_file_name.size() > 0) {
try {
exporter = new PPMExporter(ppm_file_name);
} catch(PPMExporterException& exception) {
char errormsg[1024];
snprintf(errormsg, 1024, "could not write to '%s'", exception.what());
logstalgia_quit(errormsg);
}
}else if(mpeg_file_name.size() > 0) {
try {
exporter = new MPEGExporter(mpeg_file_name);
} catch(MPEGExporterException& exception) {
char errormsg[1024];
snprintf(errormsg, 1024, "could not write to '%s'", exception.what());
logstalgia_quit(errormsg);
}
}
if(multisample) glEnable(GL_MULTISAMPLE_ARB);
Logstalgia* ls = 0;
try {
ls = new Logstalgia(logfile, simu_speed, update_rate, time_scale);
//init frame exporter
if(ppm_file_name.size() > 0 || mpeg_file_name.size() > 0) {
ls->setFrameExporter(exporter, video_framerate);
}
for(size_t i=0;i<groupstr.size();i++) {
ls->addGroup(groupstr[i]);
}
ls->setBackground(background);
ls->run();
} catch(ResourceException& exception) {
char errormsg[1024];
snprintf(errormsg, 1024, "failed to load resource '%s'", exception.what());
logstalgia_quit(errormsg);
} catch(SDLAppException& exception) {
if(exception.showHelp()) {
logstalgia_help();
} else {
logstalgia_quit(exception.what());
}
}
if(ls!=0) delete ls;
if(exporter!=0) delete exporter;
display.quit();
return 0;
}
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;
}
}
