fix: bugs in ghttp;

also bugs left for download and delete in firefox, chrome and Edge;

by zengli

Main/GMonitor.java

@@ -0,0 +1,119 @@
+import java.io.*;
+import java.net.*;
+import java.net.URLEncoder;
+import java.net.URLDecoder;
+import java.io.UnsupportedEncodingException;
+import java.util.List;
+import java.util.Map;
+
+public class GMonitor {
+    public static final String defaultServerIP = "127.0.0.1";
+    public static final int defaultServerPort = 9000;
+    //private Socket socket = null;
+
+    private String serverIP;
+    private int serverPort;
+    //private Socket socket = null;
+
+    public GMonitor() {
+        this.serverIP = GMonitor.defaultServerIP;
+        this.serverPort = GMonitor.defaultServerPort;
+    }
+
+    public GMonitor(int _port) {
+        this.serverIP = GMonitor.defaultServerIP;
+        this.serverPort = _port;
+    }
+
+    public GMonitor(String _ip, int _port) {
+        this.serverIP = _ip;
+        this.serverPort = _port;
+    }
+
+    public String sendGet(String param) {
+		String url = "http://" + this.serverIP + ":" + this.serverPort;
+        String result = "";
+        BufferedReader in = null;
+		System.out.println("parameter: "+param);
+
+		try {
+			param = URLEncoder.encode(param, "UTF-8");
+		}
+		catch (UnsupportedEncodingException ex) {
+			throw new RuntimeException("Broken VM does not support UTF-8");
+		}
+
+        try {
+            String urlNameString = url + "/" + param;
+		System.out.println("request: "+urlNameString);
+            URL realUrl = new URL(urlNameString);
+            // 打开和URL之间的连接
+            URLConnection connection = realUrl.openConnection();
+            // 设置通用的请求属性
+            connection.setRequestProperty("accept", "*/*");
+            connection.setRequestProperty("connection", "Keep-Alive");
+            connection.setRequestProperty("user-agent",
+                    "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
+            // 建立实际的连接
+            connection.connect();
+            // 获取所有响应头字段
+            Map<String, List<String>> map = connection.getHeaderFields();
+            // 遍历所有的响应头字段
+            for (String key : map.keySet()) {
+                System.out.println(key + "--->" + map.get(key));
+            }
+            // 定义 BufferedReader输入流来读取URL的响应
+            in = new BufferedReader(new InputStreamReader(
+                    connection.getInputStream()));
+            String line;
+            while ((line = in.readLine()) != null) {
+                result += line;
+            }
+        } catch (Exception e) {
+            System.out.println("error in get request: " + e);
+            e.printStackTrace();
+        }
+        // 使用finally块来关闭输入流
+        finally {
+            try {
+                if (in != null) {
+                    in.close();
+                }
+            } catch (Exception e2) {
+                e2.printStackTrace();
+            }
+        }
+        return result;
+    }
+
+    public boolean connect() {
+		return true;
+    }
+
+    public boolean disconnect() {
+		return true;
+    }
+
+    public static void main(String[] args) {
+		if(args.length != 3)
+		{
+			System.err.println("Invalid parameter, the parammeters should be operation, ip/url and port!");
+			return;
+		}
+		String op = args[0];
+		String serverIP = args[1];
+		int serverPort = Integer.parseInt(args[2]);
+
+        // initialize the GStore server's IP address and port.
+        GMonitor gm = new GMonitor(serverIP, serverPort);
+
+		gm.connect();
+
+        String cmd = "?operation=" + op;
+        String msg = gm.sendGet(cmd);
+
+        gm.disconnect();
+        System.out.println(msg);	
+    }
+}
+

Main/ghttp.cpp

@@ -10,8 +10,8 @@
 //operation.log: not used
 //query.log: query string, result num, and time of answering
 
-//TODO: to add db_name to all URLs, and change the index.js using /show to get name
+//TODO: to add db_name to all URLs, and change the index.js using /show to get name, save and set
-//TODO: modify gmonitor.java
+//TODO: use gzip for network transfer, it is ok to download a gzip file instead of the original one
 
 //TODO: mutiple threads , multiple users and multiple databases
 //How to acquire http connection ID? getSocket()  or use username to login?
@@ -31,6 +31,7 @@
 //Also the checkpoint function!!!
 //http://bookug.cc/rwbuffer
 //BETTER: add a sync function in Util to support FILE*, fd, and fstream
+//In addition, query log in endpoint should also be synced!
 
 #include "../Server/server_http.hpp"
 #include "../Server/client_http.hpp"
@@ -275,7 +276,7 @@ int initialize(int argc, char *argv[])
 
 
 
-#ifndef USED_AS_ENDPOINT
+#ifndef SPARQL_ENDPOINT
 	//GET-example for the path /?operation=build&db_name=[db_name]&ds_path=[ds_path], responds with the matched string in path
 	//i.e. database name and dataset path
 	server.resource["^/%3[F|f]operation%3[D|d]build%26db_name%3[D|d](.*)%26ds_path%3[D|d](.*)$"]["GET"]=[&server](shared_ptr<HttpServer::Response> response, shared_ptr<HttpServer::Request> request) 
@@ -583,6 +584,7 @@ bool build_handler(const HttpServer& server, const shared_ptr<HttpServer::Respon
 	cout<<"HTTP: this is build"<<endl;
 	string db_name=request->path_match[1];
 	string db_path=request->path_match[2];
+	db_name = UrlDecode(db_name);
 	db_path = UrlDecode(db_path);
 	if(db_name=="" || db_path=="")
 	{
@@ -638,6 +640,7 @@ bool load_handler(const HttpServer& server, const shared_ptr<HttpServer::Respons
 {
 	cout<<"HTTP: this is load"<<endl;
 	string db_name = request->path_match[1];
+	db_name = UrlDecode(db_name);
 
    //	string db_name = argv[1];
 	if(db_name=="")
@@ -690,6 +693,10 @@ bool load_handler(const HttpServer& server, const shared_ptr<HttpServer::Respons
 
 bool unload_handler(const HttpServer& server, const shared_ptr<HttpServer::Response>& response, const shared_ptr<HttpServer::Request>& request)
 {
+	cout<<"HTTP: this is unload"<<endl;
+	string db_name = request->path_match[1];
+	db_name = UrlDecode(db_name);
+
 	if(current_database == NULL)
 	{
 		string error = "No database used now.";
@@ -697,19 +704,29 @@ bool unload_handler(const HttpServer& server, const shared_ptr<HttpServer::Respo
 		return false;
 	}
 
+	if(current_database->getName() != db_name)
+	{
+		string error = "Database Name not matched.";
+		*response << "HTTP/1.1 200 OK\r\nContent-Length: " << error.length() << "\r\n\r\n" << error;
+		return false;
+	}
+
 	delete current_database;
 	current_database = NULL;
 	string success = "Database unloaded.";
 	*response << "HTTP/1.1 200 OK\r\nContent-Length: " << success.length() << "\r\n\r\n" << success;
+
 	return true;
 }
 
 bool query_handler(const HttpServer& server, const shared_ptr<HttpServer::Response>& response, const shared_ptr<HttpServer::Request>& request)
 {
+	cout<<"HTTP: this is query"<<endl;
+
 	string format = request->path_match[1];
 	//string format = "html";
-	cout<<"HTTP: this is query"<<endl;
 	string db_query=request->path_match[2];
+	format = UrlDecode(format);
 	db_query = UrlDecode(db_query);
 	cout<<"check: "<<db_query<<endl;
 	string str = db_query;
@@ -841,7 +858,6 @@ bool query_handler(const HttpServer& server, const shared_ptr<HttpServer::Respon
 			*response << "\r\nContent-Type: application/octet-stream";
 			*response << "\r\nContent-Disposition: attachment; filename=\"" << filename << '"';
 			*response << "\r\n\r\n" << success;
-			return 0;
 			
 			//outfile.open(localname);
 			//outfile << success;
@@ -868,6 +884,7 @@ bool query_handler(const HttpServer& server, const shared_ptr<HttpServer::Respon
 bool monitor_handler(const HttpServer& server, const shared_ptr<HttpServer::Response>& response, const shared_ptr<HttpServer::Request>& request)
 {
 	cout<<"HTTP: this is monitor"<<endl;
+
 	if(current_database == NULL)
 	{
 		string error = "No database used now.";
@@ -881,20 +898,20 @@ bool monitor_handler(const HttpServer& server, const shared_ptr<HttpServer::Resp
 	string name = current_database->getName();
 	success = success + "database: " + name + "\n";
 	TYPE_TRIPLE_NUM triple_num = current_database->getTripleNum();
-	success = success + "triple num: " + Util::int2string(triple_num) + "\n";
+	success = success + "triple num: " + Util::int2string(triple_num) + "\r\n";
 	TYPE_ENTITY_LITERAL_ID entity_num = current_database->getEntityNum();
-	success = success + "entity num: " + Util::int2string(entity_num) + "\n";
+	success = success + "entity num: " + Util::int2string(entity_num) + "\r\n";
 	TYPE_ENTITY_LITERAL_ID literal_num = current_database->getLiteralNum();
-	success = success + "literal num: " + Util::int2string(literal_num) + "\n";
+	success = success + "literal num: " + Util::int2string(literal_num) + "\r\n";
 	TYPE_ENTITY_LITERAL_ID sub_num = current_database->getSubNum();
-	success = success + "subject num: " + Util::int2string(sub_num) + "\n";
+	success = success + "subject num: " + Util::int2string(sub_num) + "\r\n";
 	TYPE_PREDICATE_ID pre_num = current_database->getPreNum();
-	success = success + "predicate num: " + Util::int2string(pre_num) + "\n";
+	success = success + "predicate num: " + Util::int2string(pre_num) + "\r\n";
 	//BETTER: how to compute the connection num in Boost::asio?
 	int conn_num = connection_num / 2;
 	//int conn_num = 3;    //currectly connected sessions
 	//this connection num is countint the total(no break)
-	success = success + "connection num: " + Util::int2string(conn_num) + "\n";
+	success = success + "connection num: " + Util::int2string(conn_num) + "\r\n";
 	//TODO: add the info of memory and thread, operation num and IO frequency
 
 	//success = "<p>" + success + "</p>";
@@ -906,6 +923,7 @@ bool monitor_handler(const HttpServer& server, const shared_ptr<HttpServer::Resp
 bool delete_handler(const HttpServer& server, const shared_ptr<HttpServer::Response>& response, const shared_ptr<HttpServer::Request>& request)
 {
 	cout << "HTTP: this is delete" << endl;
+
 	/*
 	string download = request->path_match[1];
 	download = UrlDecode(download);
@@ -922,6 +940,7 @@ bool delete_handler(const HttpServer& server, const shared_ptr<HttpServer::Respo
 bool download_handler(const HttpServer& server, const shared_ptr<HttpServer::Response>& response, const shared_ptr<HttpServer::Request>& request)
 {
 	cout << "HTTP: this is download" << endl;
+
 	/*
 	string download = request->path_match[1];
 	download = UrlDecode(download);
@@ -940,6 +959,7 @@ bool download_handler(const HttpServer& server, const shared_ptr<HttpServer::Res
 bool default_handler(const HttpServer& server, const shared_ptr<HttpServer::Response>& response, const shared_ptr<HttpServer::Request>& request)
 {
 	cout<<"HTTP: this is default"<<endl;
+
 	//BETTER: use lock to ensure thread safe
 	connection_num++;
 	//NOTICE: it seems a visit will output twice times
@@ -987,6 +1007,8 @@ bool default_handler(const HttpServer& server, const shared_ptr<HttpServer::Resp
 //If user send this command too frequently, the performance may be awful if updates are large
 bool checkpoint_handler(const HttpServer& server, const shared_ptr<HttpServer::Response>& response, const shared_ptr<HttpServer::Request>& request)
 {
+	cout<<"HTTP: this is checkpoint"<<endl;
+
 	if(current_database == NULL)
 	{
 		string error = "No database used.";
@@ -1010,6 +1032,8 @@ bool checkpoint_handler(const HttpServer& server, const shared_ptr<HttpServer::R
 //BETTER+TODO: indicate the db_name when query
 bool show_handler(const HttpServer& server, const shared_ptr<HttpServer::Response>& response, const shared_ptr<HttpServer::Request>& request)
 {
+	cout<<"HTTP: this is show"<<endl;
+
 	if(current_database == NULL)
 	{
 		string error = "No database used.";

Main/gmonitor.java

@@ -1,312 +0,0 @@
-package jgsc;
-
-import java.io.*;
-import java.net.*;
-import java.net.URLEncoder;
-import java.net.URLDecoder;
-import java.io.UnsupportedEncodingException;
-import java.util.List;
-import java.util.Map;
-
-public class GstoreConnector {
-
-    public static final String defaultServerIP = "127.0.0.1";
-    public static final int defaultServerPort = 3305;
-
-    private String serverIP;
-    private int serverPort;
-    //private Socket socket = null;
-
-    public GstoreConnector() {
-        this.serverIP = GstoreConnector.defaultServerIP;
-        this.serverPort = GstoreConnector.defaultServerPort;
-    }
-
-    public GstoreConnector(int _port) {
-        this.serverIP = GstoreConnector.defaultServerIP;
-        this.serverPort = _port;
-    }
-
-    public GstoreConnector(String _ip, int _port) {
-        this.serverIP = _ip;
-        this.serverPort = _port;
-    }
-
-	//TODO: what if the query result is too large?  
-	//how about get next (need to record the connection or user in db server)
-    public String sendGet(String param) {
-		String url = "http://" + this.serverIP + ":" + this.serverPort;
-        String result = "";
-        BufferedReader in = null;
-		System.out.println("parameter: "+param);
-
-		try {
-			param = URLEncoder.encode(param, "UTF-8");
-		}
-		catch (UnsupportedEncodingException ex) {
-			throw new RuntimeException("Broken VM does not support UTF-8");
-		}
-
-        try {
-            String urlNameString = url + "/" + param;
-		System.out.println("request: "+urlNameString);
-            URL realUrl = new URL(urlNameString);
-            // 打开和URL之间的连接
-            URLConnection connection = realUrl.openConnection();
-            // 设置通用的请求属性
-            connection.setRequestProperty("accept", "*/*");
-            connection.setRequestProperty("connection", "Keep-Alive");
-            connection.setRequestProperty("user-agent",
-                    "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
-            // 建立实际的连接
-            connection.connect();
-            // 获取所有响应头字段
-            Map<String, List<String>> map = connection.getHeaderFields();
-            // 遍历所有的响应头字段
-            for (String key : map.keySet()) {
-                System.out.println(key + "--->" + map.get(key));
-            }
-            // 定义 BufferedReader输入流来读取URL的响应
-            in = new BufferedReader(new InputStreamReader(
-                    connection.getInputStream()));
-            String line;
-            while ((line = in.readLine()) != null) {
-                result += line;
-            }
-        } catch (Exception e) {
-            System.out.println("error in get request: " + e);
-            e.printStackTrace();
-        }
-        // 使用finally块来关闭输入流
-        finally {
-            try {
-                if (in != null) {
-                    in.close();
-                }
-            } catch (Exception e2) {
-                e2.printStackTrace();
-            }
-        }
-        return result;
-    }
-
-//NOTICE: no need to connect now, HTTP connection is kept by default
-    public boolean load(String _db_name) {
-		boolean connect_return = this.connect();
-		if (!connect_return) {
-			System.err.println("connect to server error. @GstoreConnector.load");
-			return false;
-		}
-
-        String cmd = "?operation=load&db_name=" + _db_name;
-        String msg = this.sendGet(cmd);
-        //if (!send_return) {
-            //System.err.println("send load command error. @GstoreConnector.load");
-            //return false;
-        //}
-
-        this.disconnect();
-
-        System.out.println(msg);	
-        if (msg.equals("load database done.")) {
-            return true;
-        }
-
-        return false;
-    }
-
-    public boolean unload(String _db_name) {
-        boolean connect_return = this.connect();
-        if (!connect_return) {
-            System.err.println("connect to server error. @GstoreConnector.unload");
-            return false;
-        }
-
-        //String cmd = "unload/" + _db_name;
-		String cmd = "?operation=unload&db_name=" + _db_name;
-        String msg = this.sendGet(cmd);
-
-        this.disconnect();
-
-        System.out.println(msg);	
-        if (msg.equals("unload database done.")) {
-            return true;
-        }
-
-        return false;
-    }
-
-    public boolean build(String _db_name, String _rdf_file_path) {
-        boolean connect_return = this.connect();
-        if (!connect_return) {
-            System.err.println("connect to server error. @GstoreConnector.build");
-            return false;
-        }
-
-		//TODO: also use encode to support spaces?
-		//Consider change format into ?name=DBname
-        String cmd = "?operation=build&db_name=" + _db_name + "&ds_path=" + _rdf_file_path;
-        String msg = this.sendGet(cmd);
-
-        this.disconnect();
-
-        System.out.println(msg);
-        if (msg.equals("import RDF file to database done.")) {
-            return true;
-        }
-
-        return false;
-    }
-
-	//TODO: not implemented
-    public boolean drop(String _db_name) {
-        boolean connect_return = this.connect();
-        if (!connect_return) {
-            System.err.println("connect to server error. @GstoreConnector.drop");
-            return false;
-        }
-
-        String cmd = "drop/" + _db_name;
-        String msg = this.sendGet(cmd);
-
-        this.disconnect();
-
-        System.out.println(msg);
-        return msg.equals("drop database done.");
-    }
-
-    public String query(String _sparql) {
-        boolean connect_return = this.connect();
-        if (!connect_return) {
-            System.err.println("connect to server error. @GstoreConnector.query");
-            return "connect to server error.";
-        }
-
-		//URL encode should be used here
-		//try {
-		//_sparql = URLEncoder.encode("\""+_sparql+"\"", "UTF-8");
-		//}
-		//catch (UnsupportedEncodingException ex) {
-			//throw new RuntimeException("Broken VM does not support UTF-8");
-		//}
-		String cmd = "?operation=query&format=json&sparql=" + _sparql;
-        //String cmd = "query/\"" + _sparql + "\"";
-        String msg = this.sendGet(cmd);
-
-        this.disconnect();
-
-        return msg;
-    }
-
-    public String show() {
-        return this.show(false);
-    }
-
-	//TODO: not implemented
-    public String show(boolean _type) {
-        boolean connect_return = this.connect();
-        if (!connect_return) {
-            System.err.println("connect to server error. @GstoreConnector.show");
-            return "connect to server error.";
-        }
-
-        String cmd;
-        if (_type) {
-            cmd = "show/all";
-        } 
-		else {
-            cmd = "show/databases";
-        }
-        String msg = this.sendGet(cmd);
-        
-        this.disconnect();
-        return msg;
-    }
-
-    private boolean connect() {
-		return true;
-    }
-
-    private boolean disconnect() {
-		return true;
-    }
-
-    private static byte[] packageMsgData(String _msg) {
-        //byte[] data_context = _msg.getBytes();
-        byte[] data_context = null;
-        try {
-            data_context = _msg.getBytes("utf-8");
-        } catch (UnsupportedEncodingException e) {
-            // TODO Auto-generated catch block
-            e.printStackTrace();
-            System.err.println("utf-8 charset is unsupported.");
-            data_context = _msg.getBytes();
-        }
-        int context_len = data_context.length + 1; // 1 byte for '\0' at the end of the context.
-        int data_len = context_len + 4; // 4 byte for one int(data_len at the data's head).
-        byte[] data = new byte[data_len];
-
-        // padding head(context_len).
-        byte[] head = GstoreConnector.intToByte4(context_len);
-        for (int i = 0; i < 4; i++) {
-            data[i] = head[i];
-        }
-
-        // padding context.
-        for (int i = 0; i < data_context.length; i++) {
-            data[i + 4] = data_context[i];
-        }
-        // in C, there should be '\0' as the terminator at the end of a char array. so we need add '\0' at the end of sending message.
-        data[data_len - 1] = 0;
-
-        return data;
-    }
-
-    private static byte[] intToByte4(int _x) // with Little Endian format.
-    {
-        byte[] ret = new byte[4];
-        ret[0] = (byte) (_x);
-        ret[1] = (byte) (_x >>> 8);
-        ret[2] = (byte) (_x >>> 16);
-        ret[3] = (byte) (_x >>> 24);
-
-        return ret;
-    }
-
-    private static int byte4ToInt(byte[] _b) // with Little Endian format.
-    {
-        int byte0 = _b[0] & 0xFF, byte1 = _b[1] & 0xFF, byte2 = _b[2] & 0xFF, byte3 = _b[3] & 0xFF;
-        int ret = (byte0) | (byte1 << 8) | (byte2 << 16) | (byte3 << 24);
-
-        return ret;
-    }
-
-    public static void main(String[] args) {
-        // initialize the GStore server's IP address and port.
-        GstoreConnector gc = new GstoreConnector("172.31.19.15", 3305);
-
-        // build a new database by a RDF file.
-        // note that the relative path is related to gserver.
-        //gc.build("db_LUBM10", "example/rdf_triple/LUBM_10_GStore.n3");
-        String sparql = "select ?x where {"
-                + "?x	<rdf:type>	<cdblp.cn/class/Paper>. "
-                + "?x	<cdblp.cn/schema/property/has_author>	<cdblp.cn/author/wangshan>. "
-                + "}";
-
-        boolean flag = gc.load("db_cdblp");
-        System.out.println(flag);
-        String answer = gc.query(sparql);
-        System.out.println(answer);
-
-        answer = gc.query(sparql);
-        System.out.println(answer);
-
-        sparql = "select ?x where {"
-                + "?x	<rdf:type>	<cdblp.cn/class/Paper>. "
-                + "?x	<cdblp.cn/schema/property/has_author>	<cdblp.cn/author/yuge>. "
-                + "}";
-        answer = gc.query(sparql);
-        System.out.println(answer);
-    }
-}
-

Server/web/index.html

@@ -22,7 +22,7 @@
                     <li id="li_1" >
                         <label class="description" for="element_1">Database Name </label>
                         <div>
-                        <input id="element_1" name="databasename" class="element text medium" type="text" maxlength="255" value="tourist.nt">
+                        <input id="element_1" name="databasename" class="element text medium" type="text" maxlength="255" value="tourist.nt" readonly="readonly">
                         </input>
                         </div> 
 

Server/web/index.js

@@ -119,6 +119,7 @@ function query(dp) {
 				//	{
 						var tmp2 = "?operation=delete&filepath=" + fileName;
 						var request2 = escape(tmp2);
+						//alert(request2);
 						$.get(request2, function(data, status){});
 				//	}
 				}

Server/web/openkg.html

@@ -44,7 +44,7 @@
       <li><strong>Emergency</strong></li>
       <li><a href="http://emergency.gstore-pku.com" class="cc-active">emergency.gstore-pku.com</a></li>
       <li><strong>Breast Cancer</strong></li>
-      <li><a href="http://breastcancer0.gstore-pku.com<" class="cc-active">breastcancer0.gstore-pku.com</a></li>
+      <li><a href="http://breastcancer0.gstore-pku.com" class="cc-active">breastcancer0.gstore-pku.com</a></li>
       <li><a href="http://breastcancer1.gstore-pku.com" class="cc-active">breastcancer1.gstore-pku.com</a></li>
       <li><a href="http://breastcancer2.gstore-pku.com" class="cc-active">breastcancer2.gstore-pku.com</a></li>
       <li><a href="http://breastcancer3.gstore-pku.com" class="cc-active">breastcancer3.gstore-pku.com</a></li>

Util/Util.h

@@ -111,8 +111,8 @@ in the sparql query can point to the same node in data graph)
 
 //if used as only-read application(like sparql endpoint)
 //#define ONLY_READ 1
-//#define USED_AS_ENDPOINT 1
+//#define SPARQL_ENDPOINT 1
-#ifdef USED_AS_ENDPOINT
+#ifdef SPARQL_ENDPOINT
 #ifndef ONLY_READ
 #define ONLY_READ 1
 #endif

api/http/java/src/jgsc/GstoreConnector.java

@@ -11,7 +11,7 @@ import java.util.Map;
 public class GstoreConnector {
 
     public static final String defaultServerIP = "127.0.0.1";
-    public static final int defaultServerPort = 3305;
+    public static final int defaultServerPort = 9000;
 
     private String serverIP;
     private int serverPort;
@@ -302,7 +302,7 @@ public class GstoreConnector {
 
     public static void main(String[] args) {
         // initialize the GStore server's IP address and port.
-        GstoreConnector gc = new GstoreConnector("172.31.19.15", 3305);
+        GstoreConnector gc = new GstoreConnector("127.0.0.1", 9000);
 
         // build a new database by a RDF file.
         // note that the relative path is related to gserver.

makefile

@@ -111,7 +111,7 @@ inc = -I./tools/libantlr3c-3.4/ -I./tools/libantlr3c-3.4/include
 
 TARGET = $(exedir)gbuild $(exedir)gserver $(exedir)gserver_backup_scheduler $(exedir)gclient $(exedir)gquery $(exedir)gconsole $(api_java) $(exedir)gadd $(exedir)gsub $(exedir)ghttp
 
-all: $(TARGET)
+all: $(TARGET) bin/GMonitor.class
 
 test_index: test_index.cpp
 	$(CC) $(EXEFLAG) -o test_index test_index.cpp $(objfile) $(library)
@@ -171,6 +171,10 @@ $(objdir)gconsole.o: Main/gconsole.cpp Database/Database.h Util/Util.h api/socke
 $(objdir)ghttp.o: Main/ghttp.cpp Server/server_http.hpp Server/client_http.hpp Database/Database.h Util/Util.h $(lib_antlr)
 	$(CC) $(CFLAGS) Main/ghttp.cpp $(inc) -o $(objdir)ghttp.o -DUSE_BOOST_REGEX $(def64IO)
 
+bin/GMonitor.class: Main/GMonitor.java
+	javac -d bin/ Main/GMonitor.java
+	cp test/gmonitor bin/
+	cp test/gshow bin/
 
 #objects in Main/ end
 
@@ -441,6 +445,7 @@ clean:
 	$(MAKE) -C api/socket/java/example clean
 	#$(MAKE) -C KVstore clean
 	rm -rf $(exedir)g* $(objdir)*.o $(exedir).gserver*
+	rm -rf bin/*.class
 	#rm -rf .project .cproject .settings   just for eclipse
 	#rm -rf cscope* just for vim
 	rm -rf logs/*.log

test/gmonitor

@@ -0,0 +1,7 @@
+#! /usr/bin/bash
+
+echo "require ip/url and port as parameters"
+echo "to show the status of server"
+
+java GMonitor "monitor" $1 $2
+

test/gshow

@@ -0,0 +1,7 @@
+#! /usr/bin/bash
+
+echo "require ip/url and port as parameters"
+echo "to show database used"
+
+java GMonitor "show" $1 $2
+