PeerDiscovery:

+ performance improve, no using host name , but ip only
+ configuration preloaded with string "ip:port, ip:port, ip:port..."

ethereumj-core/src/main/java/org/ethereum/config/SystemProperties.java

@@ -20,8 +20,7 @@ public class SystemProperties {
 	private static Logger logger = LoggerFactory.getLogger(SystemProperties.class);
 	
 	private static int     DEFAULT_TX_APPROVE_TIMEOUT = 10;
-	private static String  DEFAULT_DISCOVERY_PEER = "54.201.28.117";
+	private static String  DEFAULT_DISCOVERY_PEER_LIST = "54.201.28.117:30303";
-	private static int     DEFAULT_DISCOVERY_PORT = 30303;
 	private static String  DEFAULT_ACTIVE_PEER_IP = "54.201.28.117";
 	private static int     DEFAULT_ACTIVE_PORT = 30303;
     private static String  DEFAULT_SAMPLES_DIR = "samples";
@@ -98,14 +97,9 @@ public class SystemProperties {
         return Integer.parseInt(prop.getProperty("transaction.approve.timeout"));
     }
 
-    public String peerDiscoveryIP() {
+    public String peerDiscoveryIPList() {
-        if(prop.isEmpty()) return DEFAULT_DISCOVERY_PEER;
+        if(prop.isEmpty()) return DEFAULT_DISCOVERY_PEER_LIST;
-        return prop.getProperty("peer.discovery.ip");
+        return prop.getProperty("peer.discovery.ip.list");
-    }
-
-    public int peerDiscoveryPort() {
-        if(prop.isEmpty()) return DEFAULT_DISCOVERY_PORT;
-        return Integer.parseInt(prop.getProperty("peer.discovery.port"));
     }
 
     public boolean databaseReset() {

ethereumj-core/src/main/java/org/ethereum/gui/PeersTableModel.java

@@ -29,7 +29,7 @@ public class PeersTableModel extends AbstractTableModel {
 			public void run() {
 				updateModel();
 			}
-		}, 0, 1000);
+		}, 0, 100);
 	}
 
     public String getColumnName(int column) {

ethereumj-core/src/main/java/org/ethereum/net/peerdiscovery/PeerDiscovery.java

@@ -35,11 +35,11 @@ public class PeerDiscovery {
         threadFactory = Executors.defaultThreadFactory();
 
         //creating the ThreadPoolExecutor
-        executorPool = new ThreadPoolExecutor(1, 1000, 10, TimeUnit.SECONDS,
+        executorPool = new ThreadPoolExecutor(CONFIG.peerDiscoveryWorkers(), 1000, 10, TimeUnit.SECONDS,
                 new ArrayBlockingQueue<Runnable>(CONFIG.peerDiscoveryWorkers()), threadFactory, rejectionHandler);
 
         //start the monitoring thread
-        monitor = new PeerDiscoveryMonitorThread(executorPool, 3);
+        monitor = new PeerDiscoveryMonitorThread(executorPool, 0);
         Thread monitorThread = new Thread(monitor);
         monitorThread.start();
 

ethereumj-core/src/main/java/org/ethereum/net/peerdiscovery/PeerDiscoveryMonitorThread.java

@@ -25,7 +25,7 @@ public class PeerDiscoveryMonitorThread implements Runnable {
     @Override
     public void run() {
         while(run) {
-            logger.info(
+            logger.trace(
                     String.format("[monitor] [%d/%d] Active: %d, Completed: %d, Task: %d, isShutdown: %s, isTerminated: %s, peersDiscovered: %d ",
                             this.executor.getPoolSize(),
                             this.executor.getCorePoolSize(),

ethereumj-core/src/main/java/org/ethereum/net/peerdiscovery/PeerTaster.java

@@ -26,6 +26,7 @@ public class PeerTaster {
 
     public void connect(String host, int port) {
 
+        logger.debug("connecting: {}:{}", host, port);
         EventLoopGroup workerGroup = new NioEventLoopGroup();
 
         try {
@@ -48,6 +49,7 @@ public class PeerTaster {
 
             // Wait until the connection is closed.
             f.channel().closeFuture().sync();
+            logger.debug("connection is closed");
 
         } catch (InterruptedException ie) {
            logger.info("-- ClientPeer: catch (InterruptedException ie) --");

ethereumj-core/src/main/java/org/ethereum/net/peerdiscovery/WorkerThread.java

@@ -17,6 +17,7 @@ public class WorkerThread implements Runnable {
 
     ThreadPoolExecutor poolExecutor;
     private PeerData peerData;
+    private PeerTaster peerTaster = new PeerTaster();
 
     public WorkerThread(PeerData peerData, ThreadPoolExecutor poolExecutor) {
         this.poolExecutor = poolExecutor;
@@ -36,8 +37,7 @@ public class WorkerThread implements Runnable {
     private void processCommand() {
 
         try {
-            PeerTaster peerTaster = new PeerTaster();
+            peerTaster.connect(peerData.getInetAddress().getHostAddress(), peerData.getPort());
-            peerTaster.connect(peerData.getInetAddress().getHostName(), peerData.getPort());
             byte capabilities = peerTaster.getCapabilities();
 
             peerData.setOnline(true);

ethereumj-core/src/main/resources/system.properties

@@ -2,21 +2,15 @@
 # accept for incoming connections [true/false]
 server.acceptConnections = false
 
-# one default access point to start
+# List of the peers to start
-# discover the network e.g. ip: [54.201.28.117] port: [30303]
+# the search of the online peers
-# Peer Server Zero: peer discovery
+# values: [ip:port, ip:port, ip:port ...]
-#peer.discovery.ip = 54.72.69.180
+peer.discovery.ip.list = 185.43.109.23:30303,\
-#peer.discovery.port = 30303
+  213.100.248.181:30303, \
+  54.72.69.180:30303, \
+  54.201.28.117:30303, \
+  70.29.74.8:7
 
-# Peer Server One: peer discovery
-
-# Asimov 
-peer.discovery.ip = 185.43.109.23
-peer.discovery.port = 30303
-
-# RomanJ
-#peer.discovery.ip = 54.211.14.10
-#peer.discovery.port = 30303
 
 # active peer ip and port
 # that is the peer through
@@ -40,6 +34,9 @@ peer.active.port = 30303
 #peer.active.ip = 54.72.69.180
 #peer.active.port = 30303
 
+#peer.active.ip = 185.43.109.23
+#peer.active.port = 30303
+
 #peer.active.ip = 151.64.223.120
 #peer.active.port = 30304
 
@@ -60,7 +57,7 @@ peer.discovery.workers = 15
 
 # connection timeout for trying to
 # connect to a peer [seconds]
-peer.discovery.timeout = 1
+peer.discovery.timeout = 3
 
 # the time we wait to the network
 # to approve the transaction, the
@@ -108,7 +105,7 @@ dump.clean.on.restart = true
 # make changes to tracing options
 # starting from certain block
 # -1 don't make any tracing changes
-trace.startblock = 1155
+trace.startblock = -1
 
 # invoke vm program on
 # message received,