// // ZoneMinder Event Class Implementation, $Date$, $Revision$ // Copyright (C) 2001-2008 Philip Coombes // // This program is free software; you can redistribute it and/or // modify it under the terms of the GNU General Public License // as published by the Free Software Foundation; either version 2 // of the License, or (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. // #include #include #include #include #include #include #include #include #include #include #include #include "zm.h" #include "zm_db.h" #include "zm_time.h" #include "zm_signal.h" #include "zm_event.h" #include "zm_monitor.h" //#define USE_PREPARED_SQL 1 const char * Event::frame_type_names[3] = { "Normal", "Bulk", "Alarm" }; int Event::pre_alarm_count = 0; Event::PreAlarmData Event::pre_alarm_data[MAX_PRE_ALARM_FRAMES] = { { 0 } }; Event::Event( Monitor *p_monitor, struct timeval p_start_time, const std::string &p_cause, const StringSetMap &p_noteSetMap, bool p_videoEvent ) : monitor(p_monitor), start_time(p_start_time), cause(p_cause), noteSetMap(p_noteSetMap), videoEvent(p_videoEvent), videowriter(NULL) { std::string notes; createNotes(notes); struct timeval now; gettimeofday(&now, 0); bool untimedEvent = false; if ( !start_time.tv_sec ) { untimedEvent = true; start_time = now; } else if ( start_time.tv_sec > now.tv_sec ) { Error( "StartTime in the future %u.%u > %u.%u", start_time.tv_sec, start_time.tv_usec, now.tv_sec, now.tv_usec ); start_time = now; } Storage * storage = monitor->getStorage(); scheme = storage->Scheme(); unsigned int state_id = 0; zmDbRow dbrow; if ( dbrow.fetch("SELECT Id FROM States WHERE IsActive=1") ) { state_id = atoi(dbrow[0]); } char sql[ZM_SQL_MED_BUFSIZ]; struct tm *stime = localtime(&start_time.tv_sec); snprintf( sql, sizeof(sql), "INSERT INTO Events ( MonitorId, StorageId, Name, StartTime, Width, Height, Cause, Notes, StateId, Orientation, Videoed, DefaultVideo, SaveJPEGs, Scheme ) values ( %d, %d, 'New Event', from_unixtime( %ld ), %d, %d, '%s', '%s', %d, %d, %d, '', %d, '%s' )", monitor->Id(), storage->Id(), start_time.tv_sec, monitor->Width(), monitor->Height(), cause.c_str(), notes.c_str(), state_id, monitor->getOrientation(), videoEvent, monitor->GetOptSaveJPEGs(), storage->SchemeString().c_str() ); db_mutex.lock(); if ( mysql_query(&dbconn, sql) ) { Error("Can't insert event: %s. sql was (%s)", mysql_error(&dbconn), sql); db_mutex.unlock(); return; } id = mysql_insert_id(&dbconn); db_mutex.unlock(); if ( untimedEvent ) { Warning("Event %d has zero time, setting to current", id); } end_time.tv_sec = 0; frames = 0; alarm_frames = 0; tot_score = 0; max_score = 0; char id_file[PATH_MAX]; if ( storage->Scheme() == Storage::DEEP ) { char *path_ptr = path; path_ptr += snprintf(path_ptr, sizeof(path), "%s/%d", storage->Path(), monitor->Id()); int dt_parts[6]; dt_parts[0] = stime->tm_year-100; dt_parts[1] = stime->tm_mon+1; dt_parts[2] = stime->tm_mday; dt_parts[3] = stime->tm_hour; dt_parts[4] = stime->tm_min; dt_parts[5] = stime->tm_sec; char date_path[PATH_MAX] = ""; char time_path[PATH_MAX] = ""; char *time_path_ptr = time_path; for ( unsigned int i = 0; i < sizeof(dt_parts)/sizeof(*dt_parts); i++ ) { path_ptr += snprintf(path_ptr, sizeof(path)-(path_ptr-path), "/%02d", dt_parts[i]); errno = 0; if ( mkdir(path, 0755) ) { // FIXME This should not be fatal. Should probably move to a different storage area. if ( errno != EEXIST ) { Error("Can't mkdir %s: %s", path, strerror(errno)); } } if ( i == 2 ) strncpy(date_path, path, sizeof(date_path)); else if ( i >= 3 ) time_path_ptr += snprintf(time_path_ptr, sizeof(time_path)-(time_path_ptr-time_path), "%s%02d", i>3?"/":"", dt_parts[i]); } // Create event id symlink snprintf(id_file, sizeof(id_file), "%s/.%" PRIu64, date_path, id); if ( symlink(time_path, id_file) < 0 ) Error("Can't symlink %s -> %s: %s", id_file, path, strerror(errno)); } else if ( storage->Scheme() == Storage::MEDIUM ) { char *path_ptr = path; path_ptr += snprintf( path_ptr, sizeof(path), "%s/%d/%04d-%02d-%02d", storage->Path(), monitor->Id(), stime->tm_year+1900, stime->tm_mon+1, stime->tm_mday ); if ( mkdir(path, 0755) ) { // FIXME This should not be fatal. Should probably move to a different storage area. if ( errno != EEXIST ) Error("Can't mkdir %s: %s", path, strerror(errno)); } path_ptr += snprintf(path_ptr, sizeof(path), "/%" PRIu64, id); if ( mkdir(path, 0755) ) { // FIXME This should not be fatal. Should probably move to a different storage area. if ( errno != EEXIST ) Error("Can't mkdir %s: %s", path, strerror(errno)); } } else { snprintf(path, sizeof(path), "%s/%d/%" PRIu64, storage->Path(), monitor->Id(), id); if ( mkdir(path, 0755) ) { if ( errno != EEXIST ) { Error("Can't mkdir %s: %s", path, strerror(errno)); } } // Create empty id tag file snprintf(id_file, sizeof(id_file), "%s/.%" PRIu64, path, id); if ( FILE *id_fp = fopen(id_file, "w") ) fclose(id_fp); else Error("Can't fopen %s: %s", id_file, strerror(errno)); } // deep storage or not last_db_frame = 0; video_name[0] = 0; /* Save as video */ if ( monitor->GetOptVideoWriter() != 0 ) { snprintf(video_name, sizeof(video_name), "%" PRIu64 "-%s", id, "video.mp4"); snprintf(video_file, sizeof(video_file), staticConfig.video_file_format, path, video_name); Debug(1,"Writing video file to %s", video_file ); /* X264 MP4 video writer */ if ( monitor->GetOptVideoWriter() == Monitor::X264ENCODE ) { #if ZM_HAVE_VIDEOWRITER_X264MP4 videowriter = new X264MP4Writer(video_file, monitor->Width(), monitor->Height(), monitor->Colours(), monitor->SubpixelOrder(), monitor->GetOptEncoderParams()); #else Error("ZoneMinder was not compiled with the X264 MP4 video writer, check dependencies (x264 and mp4v2)"); #endif } if ( videowriter != NULL ) { /* Open the video stream */ int nRet = videowriter->Open(); if ( nRet != 0 ) { Error("Failed opening video stream"); delete videowriter; videowriter = NULL; } } } else { /* No video object */ videowriter = NULL; } } // Event::Event( Monitor *p_monitor, struct timeval p_start_time, const std::string &p_cause, const StringSetMap &p_noteSetMap, bool p_videoEvent ) Event::~Event() { // We close the videowriter first, because if we finish the event, we might try to view the file, but we aren't done writing it yet. /* Close the video file */ if ( videowriter != NULL ) { int nRet = videowriter->Close(); if ( nRet != 0 ) { Error("Failed closing video stream"); } delete videowriter; videowriter = NULL; } // Should not be static because we are multi-threaded char sql[ZM_SQL_MED_BUFSIZ]; struct DeltaTimeval delta_time; DELTA_TIMEVAL(delta_time, end_time, start_time, DT_PREC_2); Debug(2, "start_time:%d.%d end_time%d.%d", start_time.tv_sec, start_time.tv_usec, end_time.tv_sec, end_time.tv_usec); if ( frames > last_db_frame ) { Debug(1, "Adding closing frame %d to DB", frames); snprintf(sql, sizeof(sql), "INSERT INTO Frames ( EventId, FrameId, TimeStamp, Delta ) VALUES ( %" PRIu64 ", %d, from_unixtime( %ld ), %s%ld.%02ld )", id, frames, end_time.tv_sec, delta_time.positive?"":"-", delta_time.sec, delta_time.fsec); db_mutex.lock(); if ( mysql_query(&dbconn, sql) ) { Error("Can't insert frame: %s", mysql_error(&dbconn)); } else { Debug(1,"Success writing last frame"); } db_mutex.unlock(); } snprintf(sql, sizeof(sql), "UPDATE Events SET Name='%s %" PRIu64 "', EndTime = from_unixtime( %ld ), Length = %s%ld.%02ld, Frames = %d, AlarmFrames = %d, TotScore = %d, AvgScore = %d, MaxScore = %d, DefaultVideo = '%s' WHERE Id = %" PRIu64, monitor->EventPrefix(), id, end_time.tv_sec, delta_time.positive?"":"-", delta_time.sec, delta_time.fsec, frames, alarm_frames, tot_score, (int)(alarm_frames?(tot_score/alarm_frames):0), max_score, video_name, id ); db_mutex.lock(); while ( mysql_query(&dbconn, sql) && !zm_terminate ) { Error("Can't update event: %s reason: %s", sql, mysql_error(&dbconn)); db_mutex.unlock(); sleep(1); db_mutex.lock(); } db_mutex.unlock(); } // Event::~Event() void Event::createNotes(std::string ¬es) { notes.clear(); for ( StringSetMap::const_iterator mapIter = noteSetMap.begin(); mapIter != noteSetMap.end(); ++mapIter ) { notes += mapIter->first; notes += ": "; const StringSet &stringSet = mapIter->second; for ( StringSet::const_iterator setIter = stringSet.begin(); setIter != stringSet.end(); ++setIter ) { if ( setIter != stringSet.begin() ) notes += ", "; notes += *setIter; } } } bool Event::WriteFrameImage(Image *image, struct timeval timestamp, const char *event_file, bool alarm_frame) { int thisquality = ( alarm_frame && (config.jpeg_alarm_file_quality > config.jpeg_file_quality) ) ? config.jpeg_alarm_file_quality : 0 ; // quality to use, zero is default bool rc; Debug(3, "Writing image to %s", event_file); if ( !config.timestamp_on_capture ) { // stash the image we plan to use in another pointer regardless if timestamped. Image *ts_image = new Image(*image); monitor->TimestampImage(ts_image, ×tamp); rc = ts_image->WriteJpeg(event_file, thisquality, (monitor->Exif() ? timestamp : (timeval){0,0})); // exif is only timestamp at present this switches on or off for write delete(ts_image); } else { rc = image->WriteJpeg(event_file, thisquality, (monitor->Exif() ? timestamp : (timeval){0,0})); // exif is only timestamp at present this switches on or off for write } return rc; } bool Event::WriteFrameVideo( const Image *image, const struct timeval timestamp, VideoWriter* videow ) { const Image* frameimg = image; Image ts_image; /* Checking for invalid parameters */ if ( videow == NULL ) { Error("NULL Video object"); return false; } /* If the image does not contain a timestamp, add the timestamp */ if ( !config.timestamp_on_capture ) { ts_image = *image; monitor->TimestampImage( &ts_image, ×tamp ); frameimg = &ts_image; } /* Calculate delta time */ struct DeltaTimeval delta_time3; DELTA_TIMEVAL( delta_time3, timestamp, start_time, DT_PREC_3 ); unsigned int timeMS = (delta_time3.sec * delta_time3.prec) + delta_time3.fsec; /* Encode and write the frame */ if ( videowriter->Encode(frameimg, timeMS) != 0 ) { Error("Failed encoding video frame"); } return true; } void Event::updateNotes( const StringSetMap &newNoteSetMap ) { bool update = false; //Info( "Checking notes, %d <> %d", noteSetMap.size(), newNoteSetMap.size() ); if ( newNoteSetMap.size() > 0 ) { if ( noteSetMap.size() == 0 ) { noteSetMap = newNoteSetMap; update = true; } else { for ( StringSetMap::const_iterator newNoteSetMapIter = newNoteSetMap.begin(); newNoteSetMapIter != newNoteSetMap.end(); ++newNoteSetMapIter ) { const std::string &newNoteGroup = newNoteSetMapIter->first; const StringSet &newNoteSet = newNoteSetMapIter->second; //Info( "Got %d new strings", newNoteSet.size() ); if ( newNoteSet.size() > 0 ) { StringSetMap::iterator noteSetMapIter = noteSetMap.find( newNoteGroup ); if ( noteSetMapIter == noteSetMap.end() ) { //Info( "Can't find note group %s, copying %d strings", newNoteGroup.c_str(), newNoteSet.size() ); noteSetMap.insert( StringSetMap::value_type( newNoteGroup, newNoteSet ) ); update = true; } else { StringSet ¬eSet = noteSetMapIter->second; //Info( "Found note group %s, got %d strings", newNoteGroup.c_str(), newNoteSet.size() ); for ( StringSet::const_iterator newNoteSetIter = newNoteSet.begin(); newNoteSetIter != newNoteSet.end(); ++newNoteSetIter ) { const std::string &newNote = *newNoteSetIter; StringSet::iterator noteSetIter = noteSet.find( newNote ); if ( noteSetIter == noteSet.end() ) { noteSet.insert( newNote ); update = true; } } // end for } // end if ( noteSetMap.size() == 0 } // end if newNoteSetupMap.size() > 0 } // end foreach newNoteSetMap } // end if have old notes } // end if have new notes if ( update ) { std::string notes; createNotes( notes ); Debug( 2, "Updating notes for event %d, '%s'", id, notes.c_str() ); static char sql[ZM_SQL_MED_BUFSIZ]; #if USE_PREPARED_SQL static MYSQL_STMT *stmt = 0; char notesStr[ZM_SQL_MED_BUFSIZ] = ""; unsigned long notesLen = 0; if ( !stmt ) { const char *sql = "update Events set Notes = ? where Id = ?"; stmt = mysql_stmt_init( &dbconn ); if ( mysql_stmt_prepare( stmt, sql, strlen(sql) ) ) { Fatal( "Unable to prepare sql '%s': %s", sql, mysql_stmt_error(stmt) ); } /* Get the parameter count from the statement */ if ( mysql_stmt_param_count( stmt ) != 2 ) { Fatal( "Unexpected parameter count %ld in sql '%s'", mysql_stmt_param_count( stmt ), sql ); } MYSQL_BIND bind[2]; memset(bind, 0, sizeof(bind)); /* STRING PARAM */ bind[0].buffer_type = MYSQL_TYPE_STRING; bind[0].buffer = (char *)notesStr; bind[0].buffer_length = sizeof(notesStr); bind[0].is_null = 0; bind[0].length = ¬esLen; bind[1].buffer_type= MYSQL_TYPE_LONG; bind[1].buffer= (char *)&id; bind[1].is_null= 0; bind[1].length= 0; /* Bind the buffers */ if ( mysql_stmt_bind_param( stmt, bind ) ) { Fatal( "Unable to bind sql '%s': %s", sql, mysql_stmt_error(stmt) ); } } strncpy( notesStr, notes.c_str(), sizeof(notesStr) ); if ( mysql_stmt_execute( stmt ) ) { Fatal( "Unable to execute sql '%s': %s", sql, mysql_stmt_error(stmt) ); } #else static char escapedNotes[ZM_SQL_MED_BUFSIZ]; mysql_real_escape_string(&dbconn, escapedNotes, notes.c_str(), notes.length()); snprintf(sql, sizeof(sql), "UPDATE Events SET Notes = '%s' WHERE Id = %" PRIu64, escapedNotes, id); db_mutex.lock(); if ( mysql_query(&dbconn, sql) ) { Error("Can't insert event: %s", mysql_error(&dbconn)); } db_mutex.unlock(); #endif } // end if update } void Event::AddFrames( int n_frames, Image **images, struct timeval **timestamps ) { for (int i = 0; i < n_frames; i += ZM_SQL_BATCH_SIZE) { AddFramesInternal(n_frames, i, images, timestamps); } } void Event::AddFramesInternal( int n_frames, int start_frame, Image **images, struct timeval **timestamps ) { static char sql[ZM_SQL_LGE_BUFSIZ]; strncpy(sql, "insert into Frames ( EventId, FrameId, TimeStamp, Delta ) values ", sizeof(sql)); int frameCount = 0; for ( int i = start_frame; i < n_frames && i - start_frame < ZM_SQL_BATCH_SIZE; i++ ) { if ( timestamps[i]->tv_sec <= 0 ) { Debug(1, "Not adding pre-capture frame %d, zero or less than 0 timestamp", i); continue; } frames++; static char event_file[PATH_MAX]; snprintf(event_file, sizeof(event_file), staticConfig.capture_file_format, path, frames); if ( monitor->GetOptSaveJPEGs() & 1 ) { Debug(1, "Writing pre-capture frame %d", frames); WriteFrameImage(images[i], *(timestamps[i]), event_file); } else { //If this is the first frame, we should add a thumbnail to the event directory // ICON: We are working through the pre-event frames so this snapshot won't // neccessarily be of the motion. But some events are less than 10 frames, // so I am changing this to 1, but we should overwrite it later with a better snapshot. if ( frames == 1 ) { char snapshot_file[PATH_MAX]; snprintf(snapshot_file, sizeof(snapshot_file), "%s/snapshot.jpg", path); WriteFrameImage(images[i], *(timestamps[i]), snapshot_file); } } if ( videowriter != NULL ) { WriteFrameVideo(images[i], *(timestamps[i]), videowriter); } struct DeltaTimeval delta_time; DELTA_TIMEVAL( delta_time, *(timestamps[i]), start_time, DT_PREC_2 ); // Delta is Decimal(8,2) so 6 integer digits and 2 decimal digits if ( delta_time.sec > 999999 ) { Warning("Invalid delta_time from_unixtime(%ld), %s%ld.%02ld", timestamps[i]->tv_sec, delta_time.positive?"":"-", delta_time.sec, delta_time.fsec ); delta_time.sec = 0; } int sql_len = strlen(sql); snprintf(sql+sql_len, sizeof(sql)-sql_len, "( %" PRIu64 ", %d, from_unixtime(%ld), %s%ld.%02ld ), ", id, frames, timestamps[i]->tv_sec, delta_time.positive?"":"-", delta_time.sec, delta_time.fsec); frameCount++; } // end foreach frame if ( frameCount ) { Debug(1, "Adding %d/%d frames to DB", frameCount, n_frames); *(sql+strlen(sql)-2) = '\0'; db_mutex.lock(); if ( mysql_query( &dbconn, sql ) ) { Error("Can't insert frames: %s, sql was (%s)", mysql_error(&dbconn), sql); } db_mutex.unlock(); last_db_frame = frames; } else { Debug(1, "No valid pre-capture frames to add"); } } void Event::AddFrame(Image *image, struct timeval timestamp, int score, Image *alarm_image) { if ( !timestamp.tv_sec ) { Debug(1, "Not adding new frame, zero timestamp"); return; } frames++; static char event_file[PATH_MAX]; snprintf(event_file, sizeof(event_file), staticConfig.capture_file_format, path, frames); if ( monitor->GetOptSaveJPEGs() & 1 ) { Debug(1, "Writing capture frame %d to %s", frames, event_file); if ( ! WriteFrameImage(image, timestamp, event_file) ) { Error("Failed to write frame image"); } } else { //If this is the first frame, we should add a thumbnail to the event directory if ( frames == 1 || score > (int)max_score ) { char snapshot_file[PATH_MAX]; snprintf(snapshot_file, sizeof(snapshot_file), "%s/snapshot.jpg", path); WriteFrameImage(image, timestamp, snapshot_file); } } if ( videowriter != NULL ) { Debug(3, "Writing video"); WriteFrameVideo(image, timestamp, videowriter); } struct DeltaTimeval delta_time; DELTA_TIMEVAL(delta_time, timestamp, start_time, DT_PREC_2); FrameType frame_type = score>0?ALARM:(score<0?BULK:NORMAL); // < 0 means no motion detection is being done. if ( score < 0 ) score = 0; bool db_frame = ( frame_type != BULK ) || ((frames%config.bulk_frame_interval)==0) || !frames; if ( db_frame ) { Debug( 1, "Adding frame %d of type \"%s\" to DB", frames, Event::frame_type_names[frame_type] ); static char sql[ZM_SQL_MED_BUFSIZ]; snprintf(sql, sizeof(sql), "INSERT INTO Frames ( EventId, FrameId, Type, TimeStamp, Delta, Score )" " VALUES ( %" PRIu64 ", %d, '%s', from_unixtime( %ld ), %s%ld.%02ld, %d )", id, frames, frame_type_names[frame_type], timestamp.tv_sec, delta_time.positive?"":"-", delta_time.sec, delta_time.fsec, score); db_mutex.lock(); if ( mysql_query(&dbconn, sql) ) { Error("Can't insert frame: %s", mysql_error(&dbconn)); Error("SQL was %s", sql); db_mutex.unlock(); return; } db_mutex.unlock(); last_db_frame = frames; // We are writing a Bulk frame if ( frame_type == BULK ) { snprintf(sql, sizeof(sql), "UPDATE Events SET Length = %s%ld.%02ld, Frames = %d, AlarmFrames = %d, TotScore = %d, AvgScore = %d, MaxScore = %d where Id = %" PRIu64, ( delta_time.positive?"":"-" ), delta_time.sec, delta_time.fsec, frames, alarm_frames, tot_score, (int)(alarm_frames?(tot_score/alarm_frames):0), max_score, id ); db_mutex.lock(); while ( mysql_query(&dbconn, sql) && !zm_terminate ) { Error("Can't update event: %s", mysql_error(&dbconn)); db_mutex.unlock(); sleep(1); db_mutex.lock(); } db_mutex.unlock(); } } // end if db_frame end_time = timestamp; // We are writing an Alarm frame if ( frame_type == ALARM ) { alarm_frames++; tot_score += score; if ( score > (int)max_score ) max_score = score; if ( alarm_image ) { if ( monitor->GetOptSaveJPEGs() & 2 ) { snprintf(event_file, sizeof(event_file), staticConfig.analyse_file_format, path, frames); Debug(1, "Writing analysis frame %d", frames); if ( ! WriteFrameImage(alarm_image, timestamp, event_file, true) ) { Error("Failed to write analysis frame image"); } } } } /* This makes viewing the diagnostic images impossible because it keeps deleting them if ( config.record_diag_images ) { char diag_glob[PATH_MAX] = ""; snprintf( diag_glob, sizeof(diag_glob), "%s/%d/diag-*.jpg", staticConfig.DIR_EVENTS.c_str(), monitor->Id() ); glob_t pglob; int glob_status = glob( diag_glob, 0, 0, &pglob ); if ( glob_status != 0 ) { if ( glob_status < 0 ) { Error( "Can't glob '%s': %s", diag_glob, strerror(errno) ); } else { Debug( 1, "Can't glob '%s': %d", diag_glob, glob_status ); } } else { char new_diag_path[PATH_MAX] = ""; for ( int i = 0; i < pglob.gl_pathc; i++ ) { char *diag_path = pglob.gl_pathv[i]; char *diag_file = strstr( diag_path, "diag-" ); if ( diag_file ) { snprintf( new_diag_path, sizeof(new_diag_path), general_file_format, path, frames, diag_file ); if ( rename( diag_path, new_diag_path ) < 0 ) { Error( "Can't rename '%s' to '%s': %s", diag_path, new_diag_path, strerror(errno) ); } } } } globfree( &pglob ); } */ }