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import java.io.BufferedReader; |
import java.io.BufferedReader; |
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import java.io.ByteArrayOutputStream; |
import java.io.ByteArrayOutputStream; |
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import java.io.File; |
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import java.io.FileInputStream; |
import java.io.FileInputStream; |
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import java.io.FilenameFilter; |
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import java.io.IOException; |
import java.io.IOException; |
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import java.io.InputStream; |
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import java.io.InputStreamReader; |
import java.io.InputStreamReader; |
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import java.text.ParseException; |
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import java.text.SimpleDateFormat; |
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import java.util.ArrayList; |
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import java.util.Arrays; |
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import java.util.Date; |
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import java.util.List; |
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import java.util.Map; |
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import java.util.logging.Level; |
import java.util.logging.Level; |
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import java.util.logging.Logger; |
import java.util.logging.Logger; |
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import java.util.zip.GZIPInputStream; |
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import java.util.zip.ZipEntry; |
import java.util.zip.ZipEntry; |
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import java.util.zip.ZipOutputStream; |
import java.util.zip.ZipOutputStream; |
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import javax.servlet.ServletException; |
import javax.servlet.ServletException; |
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import javax.servlet.annotation.WebServlet; |
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import javax.servlet.http.HttpServlet; |
import javax.servlet.http.HttpServlet; |
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import javax.servlet.http.HttpServletRequest; |
import javax.servlet.http.HttpServletRequest; |
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import javax.servlet.http.HttpServletResponse; |
import javax.servlet.http.HttpServletResponse; |
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import dk.thoerup.traininfoservice.banedk.TimeoutMap; |
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@WebServlet(urlPatterns={"/RequestPlotter"}) |
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public class RequestPlotter extends HttpServlet { |
public class RequestPlotter extends HttpServlet { |
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private static final long serialVersionUID = 1L; |
private static final long serialVersionUID = 1L; |
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static final Logger log = Logger.getLogger(RequestPlotter.class.getName()); |
static final Logger log = Logger.getLogger(RequestPlotter.class.getName()); |
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static final String KML = "application/vnd.google-earth.kml"; |
static final String KML = "application/vnd.google-earth.kml"; |
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static final String KMZ = "application/vnd.google-earth.kmz"; |
static final String KMZ = "application/vnd.google-earth.kmz"; |
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protected String getKml() { |
Map<String,String> cache = new TimeoutMap<String,String>(30*60*1000); |
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StringBuilder sb = new StringBuilder(); |
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class RequestPosition { |
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public String ip; |
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public Date time; |
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public String lat; |
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public String lng; |
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} |
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class PositionContainer { |
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List<RequestPosition> blue = new ArrayList<RequestPosition>(); |
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List<RequestPosition> green = new ArrayList<RequestPosition>(); |
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List<RequestPosition> yellow = new ArrayList<RequestPosition>(); |
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List<RequestPosition> red = new ArrayList<RequestPosition>(); |
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} |
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boolean isGz(String fileStr) { |
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return fileStr.substring(fileStr.length() - 3).equals(".gz"); |
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} |
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protected File[] getFiles(int count) { |
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File accessLogDir = new File("/home/app/domain1/logs/access/"); |
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File logFiles[] = accessLogDir.listFiles( new FilenameFilter() { |
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@Override |
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public boolean accept(File dir, String name) { |
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return name.startsWith("server_access_log"); |
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} |
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}); |
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if (logFiles == null) { |
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File[] empty = {}; |
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return empty; |
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} |
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int from = logFiles.length - count; |
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int to = logFiles.length-1; |
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return Arrays.copyOfRange(logFiles, from, to); |
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} |
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protected PositionContainer getRequestsFromFileWorker(boolean multiple) throws IOException{ |
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PositionContainer positions = new PositionContainer(); |
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try { |
try { |
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FileInputStream fis = new FileInputStream("/var/log/apache2/app_access.log"); |
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BufferedReader in = new BufferedReader( new InputStreamReader(fis) ); |
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int count; |
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sb.append( "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" ); |
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sb.append( "<kml xmlns=\"http://www.opengis.net/kml/2.2\">\n" ); |
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sb.append( "<Document>\n" ); |
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String line; |
if (multiple == false) { |
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while ( (line=in.readLine()) != null) { |
count = 1; |
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if (line.indexOf("LocateStation") == -1 ){ |
} else { |
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continue; |
count = 4; |
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} |
} |
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File files[] = getFiles(count); |
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SimpleDateFormat df = new SimpleDateFormat("dd/MMM/yyyy:HH:mm:ss"); |
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Date now = new Date(); |
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for (File f : files ) { |
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log.info("Parsing file: " + f.getName() ); |
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if (line.indexOf("latitude") == -1 ) { |
if ( !f.exists() ) { |
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continue; |
continue; |
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} |
} |
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String toks[] = line.split(" "); |
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String ip = toks[0]; |
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String time = toks[3].replace("[", ""); |
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String argpart = toks[6].split("\\?")[1]; |
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String args[] = argpart.split("&"); |
InputStream input = new FileInputStream(f); |
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String lat = args[0].split("=")[1]; |
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String lng = args[1].split("=")[1]; |
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sb.append( " <Placemark>\n" ); |
BufferedReader in = new BufferedReader( new InputStreamReader(input) ); |
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sb.append( " <description>IP=" + ip + " Time=" + time + "</description>\n" ); |
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sb.append( " <Point><coordinates>" + lng + "," + lat + ",0</coordinates></Point>\n" ); |
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sb.append( " </Placemark>\n" ); |
String line; |
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while ( (line=in.readLine()) != null) { |
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if (line.indexOf("LocateStation") == -1 ){ |
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continue; |
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} |
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if (line.indexOf("latitude=") == -1 ) { |
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continue; |
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} |
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if (line.indexOf("longitude=") == -1) { |
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continue; |
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} |
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RequestPosition pos = new RequestPosition(); |
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String toks[] = line.split(" "); |
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pos.ip = toks[0].replaceAll("\"", ""); |
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pos.time = df.parse( toks[2].replace("\"", "") ); |
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String argpart = toks[5].split("\\?")[1]; |
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String args[] = argpart.split("&"); |
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pos.lat = args[0].split("=")[1]; |
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pos.lng = args[1].split("=")[1]; |
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long timediff = now.getTime() - pos.time.getTime(); |
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if ( timediff < (3*60*60*1000) ) { |
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positions.red.add(pos); //RED |
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} else if ( timediff < (24*60*60*1000)) { |
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positions.yellow.add(pos); //YELLOW |
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} else if ( timediff < (7*24*60*60*1000)) { |
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positions.green.add(pos); //GREEN |
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} else { |
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positions.blue.add(pos); //BLUE |
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} |
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} |
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in.close(); |
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input.close(); |
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} |
} |
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} catch (ParseException pe) { |
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log.log(Level.SEVERE, "parseException", pe); |
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throw new IOException(pe); |
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} catch (IOException e) { |
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log.log(Level.SEVERE, "getKml()", e); |
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throw e; |
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} |
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return positions; |
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} |
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/* old apache code |
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protected PositionContainer getRequestsFromFileWorker(boolean multiple) throws IOException{ |
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PositionContainer positions = new PositionContainer(); |
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try { |
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String files_single[] = {"/var/log/apache2/app_access.log"}; |
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String files_multi[] = {"/var/log/apache2/app_access.log.3.gz", "/var/log/apache2/app_access.log.2.gz", "/var/log/apache2/app_access.log.1", "/var/log/apache2/app_access.log"}; |
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sb.append( "</Document>\n" ); |
String files[]; |
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sb.append( "</kml>\n" ); |
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} catch (Exception e) { |
if (multiple == false) { |
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sb.append("<!-- error -->"); |
files = files_single; |
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} else { |
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files = files_multi; |
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} |
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SimpleDateFormat df = new SimpleDateFormat("dd/MMM/yyyy:HH:mm:ss"); |
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Date now = new Date(); |
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for (String fileStr : files ) { |
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File f = new File(fileStr); |
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if ( !f.exists() ) { |
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continue; |
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} |
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FileInputStream fis = new FileInputStream(fileStr); |
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InputStream input; |
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if ( isGz(fileStr)) { |
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input = new GZIPInputStream(fis); |
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} else { |
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input = fis; |
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} |
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BufferedReader in = new BufferedReader( new InputStreamReader(input) ); |
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String line; |
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while ( (line=in.readLine()) != null) { |
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if (line.indexOf("LocateStation") == -1 ){ |
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continue; |
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} |
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if (line.indexOf("latitude=") == -1 ) { |
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continue; |
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} |
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if (line.indexOf("longitude=") == -1) { |
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continue; |
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} |
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RequestPosition pos = new RequestPosition(); |
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String toks[] = line.split(" "); |
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pos.ip = toks[0]; |
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pos.time = df.parse( toks[3].replace("[", "") ); |
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String argpart = toks[6].split("\\?")[1]; |
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String args[] = argpart.split("&"); |
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pos.lat = args[0].split("=")[1]; |
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pos.lng = args[1].split("=")[1]; |
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long timediff = now.getTime() - pos.time.getTime(); |
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if ( timediff < (3*60*60*1000) ) { |
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positions.red.add(pos); //RED |
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} else if ( timediff < (24*60*60*1000)) { |
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positions.yellow.add(pos); //YELLOW |
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} else if ( timediff < (7*24*60*60*1000)) { |
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positions.green.add(pos); //GREEN |
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} else { |
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positions.blue.add(pos); //BLUE |
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} |
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} |
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in.close(); |
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input.close(); |
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fis.close(); |
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} |
254 |
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} catch (ParseException pe) { |
255 |
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log.log(Level.SEVERE, "parseException", pe); |
256 |
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throw new IOException(pe); |
257 |
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} catch (IOException e) { |
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log.log(Level.SEVERE, "getKml()", e); |
log.log(Level.SEVERE, "getKml()", e); |
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throw e; |
260 |
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} |
261 |
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return positions; |
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}*/ |
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265 |
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protected void formatPositions(StringBuilder sb, String color, List<RequestPosition> list) { |
266 |
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sb.append( "<Folder>\n"); |
267 |
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sb.append( " <name>" ).append(color).append("</name>\n"); |
268 |
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sb.append( " <open>0</open>\n" ); |
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int count=0; |
271 |
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for(RequestPosition current : list) { |
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String id = color + count++; |
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sb.append( " <Placemark id=\"" + id + "\">\n" ); |
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sb.append( " <styleUrl>#").append(color).append("</styleUrl>\n" ); |
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sb.append( " <description><![CDATA[IP=").append(current.ip).append("<br/>Time=").append(current.time).append("]]></description>\n" ); |
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sb.append( " <Point><coordinates>").append(current.lng).append(",").append(current.lat).append(",0</coordinates></Point>\n" ); |
277 |
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sb.append( " </Placemark>\n" ); |
278 |
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} |
279 |
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280 |
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sb.append("</Folder>\n"); |
281 |
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} |
282 |
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283 |
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protected String formatXml(PositionContainer positions) { |
284 |
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StringBuilder sb = new StringBuilder(1024*1024); |
285 |
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286 |
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sb.append( "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" ); |
287 |
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sb.append( "<kml xmlns=\"http://www.opengis.net/kml/2.2\">\n" ); |
288 |
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sb.append( "<Document>\n" ); |
289 |
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sb.append( " <description><![CDATA["); |
290 |
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sb.append( " Red:").append(positions.red.size()).append(" (whithin 3 hours)<br/>\n"); |
291 |
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sb.append( " Yellow:").append(positions.yellow.size()).append(" (within 24 hours)<br/>\n"); |
292 |
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sb.append( " Green:").append(positions.green.size()).append(" (within one week)<br/>\n"); |
293 |
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sb.append( " Blue:").append(positions.blue.size()).append(" (older)<br/>\n"); |
294 |
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sb.append( " ]]></description>"); |
295 |
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296 |
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297 |
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sb.append( " <Style id=\"red\">\n" ); |
298 |
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sb.append( " <IconStyle><Icon><href>http://maps.google.com/mapfiles/kml/paddle/red-circle.png</href></Icon></IconStyle>\n" ); |
299 |
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sb.append( " </Style>\n"); |
300 |
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sb.append( " <Style id=\"yellow\">\n" ); |
302 |
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sb.append( " <IconStyle><Icon><href>http://maps.google.com/mapfiles/kml/paddle/ylw-circle.png</href></Icon></IconStyle>\n" ); |
303 |
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sb.append( " </Style>\n" ); |
304 |
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sb.append( " <Style id=\"green\">\n" ); |
306 |
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sb.append( " <IconStyle><Icon><href>http://maps.google.com/mapfiles/kml/paddle/grn-circle.png</href></Icon></IconStyle>\n" ); |
307 |
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sb.append( " </Style>\n\n" ); |
308 |
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sb.append( " <Style id=\"blue\">\n" ); |
310 |
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sb.append( " <IconStyle><Icon><href>http://maps.google.com/mapfiles/kml/paddle/blu-circle.png</href></Icon></IconStyle>\n" ); |
311 |
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sb.append( " </Style>\n\n" ); |
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/* |
313 |
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String overlay = |
314 |
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" <ScreenOverlay>" + |
315 |
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" <name>Absolute Positioning: Top left</name>" + |
316 |
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" <description>Absolute Positioning: Top left</description>" + |
317 |
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" <visibility>1</visibility>" + |
318 |
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" <Icon>" + |
319 |
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" <href>http://code.google.com/apis/kml/documentation/top_left.jpg</href>" + |
320 |
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" </Icon>" + |
321 |
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" <overlayXY x=\"0\" y=\"1\" xunits=\"fraction\" yunits=\"fraction\"/>" + |
322 |
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" <screenXY x=\"0\" y=\"1\" xunits=\"fraction\" yunits=\"fraction\"/>" + |
323 |
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" <rotationXY x=\"0\" y=\"0\" xunits=\"fraction\" yunits=\"fraction\"/>" + |
324 |
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" <size x=\"0\" y=\"0\" xunits=\"fraction\" yunits=\"fraction\"/>" + |
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" </ScreenOverlay>" ; |
326 |
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sb.append(overlay); |
328 |
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*/ |
329 |
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330 |
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331 |
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formatPositions(sb, "blue", positions.blue); |
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formatPositions(sb, "green", positions.green); |
333 |
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formatPositions(sb, "yellow", positions.yellow); |
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formatPositions(sb, "red", positions.red); |
335 |
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336 |
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337 |
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sb.append( "</Document>\n" ); |
338 |
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sb.append( "</kml>\n" ); |
339 |
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340 |
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return sb.toString(); |
341 |
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} |
342 |
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343 |
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protected String getRequestsFromFile(boolean multiple) throws IOException { |
344 |
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String kmlData = null; |
345 |
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String key; |
346 |
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347 |
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if (multiple == false) { |
348 |
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key = "kmldata"; |
349 |
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} else { |
350 |
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key = "kmldata-multi"; |
351 |
} |
} |
352 |
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353 |
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kmlData = cache.get(key); |
354 |
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355 |
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if (kmlData == null) { |
356 |
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kmlData = formatXml( getRequestsFromFileWorker(multiple) ); |
357 |
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cache.put(key, kmlData); |
358 |
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kmlData += "<!-- from source -->"; |
359 |
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} else { |
360 |
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kmlData += "<!-- cached -->"; |
361 |
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} |
362 |
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363 |
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return kmlData; |
364 |
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} |
365 |
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366 |
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boolean enabled(String param) { |
367 |
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if (param == null || param.equals("")) { |
368 |
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return false; |
369 |
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} |
370 |
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371 |
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int p = 0; |
372 |
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try { |
373 |
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p = Integer.parseInt(param); |
374 |
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} catch (Exception e) {} |
375 |
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376 |
return sb.toString(); |
return (p != 0); |
377 |
} |
} |
378 |
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379 |
@Override |
@Override |
380 |
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { |
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { |
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String data = getKml(); |
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381 |
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382 |
if (req.getParameter("zip") != null) { |
boolean multiple = enabled( req.getParameter("multi") ); |
383 |
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384 |
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String kmlData = getRequestsFromFile(multiple); |
385 |
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386 |
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if ( enabled(req.getParameter("zip")) ) { |
387 |
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388 |
ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
389 |
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|
390 |
ZipOutputStream zip = new ZipOutputStream(baos); |
ZipOutputStream zip = new ZipOutputStream(baos); |
391 |
zip.putNextEntry( new ZipEntry("trains.kml") ); |
zip.putNextEntry( new ZipEntry("trains.kml") ); |
392 |
zip.write( data.getBytes() ); |
zip.write( kmlData.getBytes() ); |
393 |
zip.closeEntry(); |
zip.closeEntry(); |
394 |
zip.close(); |
zip.close(); |
395 |
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|
396 |
byte bytes[] = baos.toByteArray(); |
byte bytes[] = baos.toByteArray(); |
397 |
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|
398 |
resp.setContentType(KMZ); |
resp.setContentType(KMZ); |
399 |
resp.setContentLength( bytes.length ); |
resp.setContentLength( bytes.length ); |
400 |
resp.getOutputStream().write(bytes); |
resp.getOutputStream().write(bytes); |
401 |
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402 |
} else { |
} else { |
403 |
resp.setContentType(KML); |
resp.setContentType(KML); |
404 |
resp.getWriter().print( getKml() ); |
resp.getWriter().print( kmlData ); |
405 |
} |
} |
406 |
} |
} |
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407 |
} |
} |