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package dk.daoas.fulddaekning.osrm; |
package dk.daoas.fulddaekning.osrm; |
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import java.io.IOException; |
import java.io.IOException; |
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import java.util.ArrayList; |
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import java.util.Collection; |
import java.util.Collection; |
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import java.util.Iterator; |
import java.util.Iterator; |
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import java.util.List; |
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import java.util.concurrent.Future; |
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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 org.apache.http.HttpEntity; |
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import org.apache.http.HttpHost; |
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import org.apache.http.HttpRequest; |
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import org.apache.http.HttpResponse; |
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import org.apache.http.client.ClientProtocolException; |
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import org.apache.http.client.ResponseHandler; |
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import org.apache.http.client.methods.HttpGet; |
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import org.apache.http.impl.client.CloseableHttpClient; |
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import org.apache.http.impl.client.HttpClients; |
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import org.apache.http.impl.nio.client.CloseableHttpPipeliningClient; |
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import org.apache.http.impl.nio.client.HttpAsyncClients; |
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import org.apache.http.util.EntityUtils; |
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import com.google.gson.Gson; |
import com.google.gson.Gson; |
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import dk.daoas.fulddaekning.Adresse; |
import dk.daoas.fulddaekning.Adresse; |
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import dk.daoas.fulddaekning.HttpUtil; |
import dk.daoas.fulddaekning.HttpUtil; |
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import dk.daoas.fulddaekning.LookupWorker; |
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public class OSRMHelper { |
public class OSRMHelper { |
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final static Logger logger = Logger.getLogger( OSRMHelper.class.toString() ); |
final static Logger logger = Logger.getLogger( OSRMHelper.class.toString() ); |
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Gson gson = new Gson(); |
Gson gson = new Gson(); |
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final String base_url = "http://10.30.2.61:5000"; |
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final String host = "10.30.2.61"; |
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final int port = 5000; |
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final String base_url = "http://" + host + ":" + port; |
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public Adresse getNearestViaTable(Adresse a1, Collection<Adresse> haystack) { |
public Adresse getNearestViaTable(Adresse a1, Collection<Adresse> haystack) { |
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Adresse bedsteAdresse = null; |
Adresse bedsteAdresse = null; |
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Adresse hayArray[] = new Adresse[ haystack.size() ]; |
Adresse hayArray[] = new Adresse[ haystack.size() ]; |
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haystack.toArray(hayArray); |
haystack.toArray(hayArray); |
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StringBuilder sb = new StringBuilder(); |
StringBuilder sb = new StringBuilder(); |
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sb.append(base_url); |
sb.append(base_url); |
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sb.append("/table?loc=").append(a1.latitude).append(",").append(a1.longitude); |
sb.append("/table?loc=").append(a1.latitude).append(",").append(a1.longitude); |
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for(int i = 0; i<hayArray.length; i++) { |
for(int i = 0; i<hayArray.length; i++) { |
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Adresse a = hayArray[i]; |
Adresse a = hayArray[i]; |
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sb.append("&loc=").append( a.latitude ).append(",").append(a.longitude); |
sb.append("&loc=").append( a.latitude ).append(",").append(a.longitude); |
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} |
} |
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try { |
try { |
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String txtResponse = HttpUtil.getContentString(sb.toString(), 500, "UTF-8"); |
String txtResponse = HttpUtil.getContentString(sb.toString(), 500, "UTF-8"); |
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OSRMDistanceTable table = gson.fromJson(txtResponse, OSRMDistanceTable.class); |
OSRMDistanceTable table = gson.fromJson(txtResponse, OSRMDistanceTable.class); |
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logger.info("OSRM failed with message: " + table.status_message); |
logger.info("OSRM failed with message: " + table.status_message); |
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return null; |
return null; |
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} |
} |
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int bedsteTid = Integer.MAX_VALUE; |
int bedsteTid = Integer.MAX_VALUE; |
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for (int i = 1; i<table.distance_table.length; i++) { |
for (int i = 1; i<table.distance_table.length; i++) { |
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if (table.distance_table[0][i] < bedsteTid) { |
if (table.distance_table[0][i] < bedsteTid) { |
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bedsteTid = table.distance_table[0][i]; |
bedsteTid = table.distance_table[0][i]; |
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logger.log(Level.SEVERE, "Lookup failed", e); |
logger.log(Level.SEVERE, "Lookup failed", e); |
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System.exit(1); |
System.exit(1); |
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} |
} |
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//return gson.fromJson(txtResponse, OSRMResponse.class); |
//return gson.fromJson(txtResponse, OSRMResponse.class); |
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return bedsteAdresse; |
return bedsteAdresse; |
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} |
} |
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public Adresse getNearestApacheClient(Adresse a1, Collection<Adresse> haystack) { |
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int bedsteAfstand = Integer.MAX_VALUE; |
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Adresse bedsteAdresse = null; |
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try (CloseableHttpClient httpclient = HttpClients.createDefault()) { |
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String loc1 = a1.latitude + "," + a1.longitude; |
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for(Adresse a2: haystack) { |
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String loc2 = a2.latitude + "," + a2.longitude; |
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String uri = base_url + "/viaroute?loc=" + loc1 + "&loc=" + loc2 + "&geometry=false&instructions=false&alt=false"; |
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HttpGet httpget = new HttpGet(uri); |
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ResponseHandler<String> responseHandler = new ResponseHandler<String>() { |
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@Override |
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public String handleResponse(final HttpResponse response) throws ClientProtocolException, IOException { |
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int status = response.getStatusLine().getStatusCode(); |
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if (status >= 200 && status < 300) { |
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HttpEntity entity = response.getEntity(); |
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return entity != null ? EntityUtils.toString(entity) : null; |
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} else { |
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throw new ClientProtocolException("Unexpected response status: " + status); |
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} |
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} |
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}; |
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String responseBody = httpclient.execute(httpget, responseHandler); |
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OSRMResponse res = gson.fromJson(responseBody, OSRMResponse.class); |
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if (res.status != 0) { |
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System.out.println("OSRM Returned " + res.status + "/" + res.status_message ); |
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continue; |
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} |
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if (res.route_summary.total_distance < bedsteAfstand) { |
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bedsteAfstand = res.route_summary.total_distance; |
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bedsteAdresse = a2; |
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} |
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} |
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} catch (Exception e) { |
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logger.log(Level.SEVERE, "Lookup failed", e); |
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} |
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return bedsteAdresse; |
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} |
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public Adresse getNearestPipeline(Adresse a1, Collection<Adresse> haystack) { |
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int bedsteAfstand = Integer.MAX_VALUE; |
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Adresse bedsteAdresse = null; |
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Adresse hayArray[] = new Adresse[ haystack.size() ]; |
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haystack.toArray(hayArray); |
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try (CloseableHttpPipeliningClient httpclient = HttpAsyncClients.createPipelining(); ) { |
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httpclient.start(); |
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HttpHost targetHost = new HttpHost(host, port); |
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System.out.println("1>" + targetHost.toString() ); |
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System.out.println("2>" + targetHost.toURI() ); |
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List<HttpRequest> requests = new ArrayList<HttpRequest>(); |
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String loc1 = a1.latitude + "," + a1.longitude; |
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//for (int i=0; i<hayArray.length; i++) { |
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for (int i=0; i<2; i++) { |
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Adresse a2 = hayArray[i]; |
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String loc2 = a2.latitude + "," + a2.longitude; |
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String uri = "/viaroute?loc=" + loc1 + "&loc=" + loc2 + "&geometry=false&instructions=false&alt=false"; |
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System.out.println( uri ); |
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requests.add( new HttpGet(uri) ); |
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} |
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Future<List<HttpResponse>> future = httpclient.execute(targetHost, requests, null); |
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List<HttpResponse> responses = future.get(); |
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HttpResponse respArr[] = new HttpResponse[ responses.size() ]; |
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responses.toArray( respArr ); |
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for (int i=0; i<respArr.length; i++) { |
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String jsonBody = EntityUtils.toString( respArr[i].getEntity() ); |
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OSRMResponse res = gson.fromJson(jsonBody, OSRMResponse.class); |
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if (res.route_summary.total_distance < bedsteAfstand) { |
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bedsteAfstand = res.route_summary.total_distance; |
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bedsteAdresse = hayArray[i]; |
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} |
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} |
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} catch(Exception e) { |
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logger.log(Level.SEVERE, "Lookup failed", e); |
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} |
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return bedsteAdresse; |
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} |
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/* |
/* |
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* Denne virker men table opslaget er 10 gange hurtigere |
* Denne virker men table opslaget er 10 gange hurtigere |
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* |
* |
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public Adresse getNearest(Adresse a1, Collection<Adresse> haystack) { |
public Adresse getNearest(Adresse a1, Collection<Adresse> haystack) { |
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int bedsteAfstand = Integer.MAX_VALUE; |
int bedsteAfstand = Integer.MAX_VALUE; |
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Adresse bedsteAdresse = null; |
Adresse bedsteAdresse = null; |
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Iterator<Adresse> it = haystack.iterator(); |
Iterator<Adresse> it = haystack.iterator(); |
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while (it.hasNext()) { |
while (it.hasNext()) { |
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Adresse a2 = it.next(); |
Adresse a2 = it.next(); |
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try { |
try { |
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OSRMResponse res = getRoute(a1, a2); |
OSRMResponse res = getRoute(a1, a2); |
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if (res.status != 0) { |
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System.out.println("OSRM Returned " + res.status + "/" + res.status_message ); |
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continue; |
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} |
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if (res.route_summary.total_distance < bedsteAfstand) { |
if (res.route_summary.total_distance < bedsteAfstand) { |
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bedsteAfstand = res.route_summary.total_distance; |
bedsteAfstand = res.route_summary.total_distance; |
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bedsteAdresse = a2; |
bedsteAdresse = a2; |
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System.out.println( e.getMessage() ); |
System.out.println( e.getMessage() ); |
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System.exit(1); |
System.exit(1); |
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} |
} |
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} |
} |
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return bedsteAdresse; |
return bedsteAdresse; |
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} |
} |
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public OSRMResponse getRoute(Adresse a1, Adresse a2) throws IOException { |
public OSRMResponse getRoute(Adresse a1, Adresse a2) throws IOException { |
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String loc1 = a1.latitude + "," + a1.longitude; |
String loc1 = a1.latitude + "," + a1.longitude; |
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String loc2 = a2.latitude + "," + a2.longitude; |
String loc2 = a2.latitude + "," + a2.longitude; |
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String params = "loc=" + loc1 + "&loc=" + loc2 + "&geometry=false&instructions=false&alt=false"; |
String params = "loc=" + loc1 + "&loc=" + loc2 + "&geometry=false&instructions=false&alt=false"; |
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String url = base_url + "/viaroute?" + params; |
String url = base_url + "/viaroute?" + params; |
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String txtResponse = HttpUtil.getContentString(url, 500, "UTF-8"); |
String txtResponse = HttpUtil.getContentString(url, 500, "UTF-8"); |
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return gson.fromJson(txtResponse, OSRMResponse.class); |
return gson.fromJson(txtResponse, OSRMResponse.class); |
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} |
} |
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} |
} |