Improve p2p bind and db lock err msgs

modAionImpl/test/org/aion/zero/impl/sync/BlockPropagationTest.java

@@ -81,6 +81,42 @@ public long getTimestamp() {
         public String getBinaryVersion() {
             return "";
         }
+
+        @Override
+        public void setPort(int _port) { throw new IllegalStateException("not implemented"); }
+
+        @Override
+        public void setConnection(String _connection) { throw new IllegalStateException("not implemented"); }
+
+        @Override
+        public IPeerMetric getPeerMetric() { throw new IllegalStateException("not implemented"); }
+
+        @Override
+        public void refreshTimestamp() { throw new IllegalStateException("not implemented"); }
+
+        @Override
+        public void setChannel(SocketChannel _channel) { throw new IllegalStateException("not implemented"); }
+
+        @Override
+        public void setId(byte[] _id) { throw new IllegalStateException("not implemented"); }
+
+        @Override
+        public void setBinaryVersion(String _revision) { throw new IllegalStateException("not implemented"); }
+
+        @Override
+        public boolean getIfFromBootList() { throw new IllegalStateException("not implemented"); }
+
+        @Override
+        public byte[] getBestBlockHash() { throw new IllegalStateException("not implemented"); }
+
+        @Override
+        public String getConnection() { throw new IllegalStateException("not implemented"); }
+
+        @Override
+        public SocketChannel getChannel() { throw new IllegalStateException("not implemented"); }
+
+        @Override
+        public void setFromBootList(boolean _ifBoot) { throw new IllegalStateException("not implemented"); }
     }
 
     private static class P2pMock implements IP2pMgr {
@@ -138,6 +174,30 @@ public void closeSocket(SocketChannel _sc, String _reason) {}
         public int getSelfIdHash() {
             return 0;
         }
+
+        @Override
+        public void dropActive(int _nodeIdHash, String _reason) { throw new IllegalStateException("not implemented."); }
+
+        @Override
+        public void configChannel(SocketChannel _channel) {
+            throw new IllegalStateException("not implemented.");
+        }
+
+        @Override
+        public int getMaxActiveNodes() { throw new IllegalStateException("not implemented."); }
+
+        @Override
+        public boolean isSyncSeedsOnly() { throw new IllegalStateException("not implemented."); }
+
+        @Override
+        public int getMaxTempNodes() { throw new IllegalStateException("not implemented."); }
+
+        @Override
+        public boolean validateNode(INode _node) { throw new IllegalStateException("not implemented."); }
+
+        @Override
+        public int getSelfNetId() { throw new IllegalStateException("not implemented."); }
+
     }
 
     private static List<ECKey> generateDefaultAccounts() {

modDbImpl/src/org/aion/db/impl/h2/H2MVMap.java

@@ -1,4 +1,4 @@
-/*******************************************************************************
+/*
  * Copyright (c) 2017-2018 Aion foundation.
  *
  *     This file is part of the aion network project.
@@ -31,7 +31,7 @@
  *     Samuel Neves through the BLAKE2 implementation.
  *     Zcash project team.
  *     Bitcoinj team.
- ******************************************************************************/
+ */
 package org.aion.db.impl.h2;
 
 import org.aion.base.util.ByteArrayWrapper;
@@ -148,7 +148,8 @@ public boolean open() {
         } catch (Exception e) {
             if (e instanceof NullPointerException) {
                 LOG.error("Failed to open the database " + this.toString()
-                        + ". A probable cause is that the H2 database cannot access the file path.", e);
+                    + ". A probable cause is that the H2 database cannot access the file path. "
+                    + "Check if you have two instances running on the same database.", e);
             } else {
                 LOG.error("Failed to open the database " + this.toString() + " due to: ", e);
             }

modDbImpl/src/org/aion/db/impl/leveldb/LevelDB.java

@@ -1,4 +1,4 @@
-/*******************************************************************************
+/*
  * Copyright (c) 2017-2018 Aion foundation.
  *
  *     This file is part of the aion network project.
@@ -31,7 +31,7 @@
  *     Samuel Neves through the BLAKE2 implementation.
  *     Zcash project team.
  *     Bitcoinj team.
- ******************************************************************************/
+ */
 package org.aion.db.impl.leveldb;
 
 import org.aion.base.util.ByteArrayWrapper;
@@ -142,7 +142,14 @@ public boolean open() {
         try {
             db = JniDBFactory.factory.open(f, options);
         } catch (Exception e1) {
-            LOG.error("Failed to open the database " + this.toString() + " due to: ", e1);
+            if (e1.getMessage().contains("lock")) {
+                LOG.error("Failed to open the database " + this.toString() +
+                    "\nCheck if you have two instances running on the same database." +
+                    "\nFailure due to: ", e1);
+            } else {
+                LOG.error("Failed to open the database " + this.toString() + " due to: ", e1);
+            }
+
             if (e1.getMessage() != null && e1.getMessage().contains("No space left on device")) {
                 LOG.error("Shutdown due to lack of disk space.");
                 System.exit(0);

modDbImpl/src/org/aion/db/impl/rocksdb/RocksDBWrapper.java

@@ -1,3 +1,25 @@
+/*
+ * Copyright (c) 2017-2018 Aion foundation.
+ *
+ *     This file is part of the aion network project.
+ *
+ *     The aion network project 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 3 of
+ *     the License, or any later version.
+ *
+ *     The aion network project 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 the aion network project source files.
+ *     If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Contributors:
+ *     Aion foundation.
+ */
 package org.aion.db.impl.rocksdb;
 
 import org.aion.base.util.ByteArrayWrapper;
@@ -90,7 +112,13 @@ public boolean open() {
         try {
             db = RocksDB.open(options, f.getAbsolutePath());
         } catch (RocksDBException e) {
-            LOG.error("Failed to open the database " + this.toString() + " due to: ", e);
+            if (e.getMessage().contains("lock")) {
+                LOG.error("Failed to open the database " + this.toString()
+                    + "\nCheck if you have two instances running on the same database."
+                    + "\nFailure due to: ", e);
+            } else {
+                LOG.error("Failed to open the database " + this.toString() + " due to: ", e);
+            }
 
             // close the connection and cleanup if needed
             close();

modP2p/src/org/aion/p2p/INode.java

@@ -1,31 +1,29 @@
 /*
  * Copyright (c) 2017-2018 Aion foundation.
  *
- * This file is part of the aion network project.
+ *     This file is part of the aion network project.
  *
- * The aion network project 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 3 of
- * the License, or any later version.
+ *     The aion network project 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 3 of
+ *     the License, or any later version.
  *
- * The aion network project 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.
+ *     The aion network project 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 the aion network project source files.
- * If not, see <https://www.gnu.org/licenses/>.
- *
- * Contributors to the aion source files in decreasing order of code volume:
- *
- * Aion foundation.
+ *     You should have received a copy of the GNU General Public License
+ *     along with the aion network project source files.
+ *     If not, see <https://www.gnu.org/licenses/>.
  *
+ * Contributors:
+ *     Aion foundation.
  */
-
 package org.aion.p2p;
 
 import java.math.BigInteger;
+import java.nio.channels.SocketChannel;
 
 /**
  *
@@ -84,4 +82,29 @@ public interface INode {
     void updateStatus(long _bestBlockNumber, final byte[] _bestBlockHash, BigInteger _totalDifficulty);
 
     String getBinaryVersion();
+
+    boolean getIfFromBootList();
+
+    byte[] getBestBlockHash();
+
+    String getConnection();
+
+    SocketChannel getChannel();
+
+    void setFromBootList(boolean _ifBoot);
+
+    void setConnection(String _connection);
+
+    IPeerMetric getPeerMetric();
+
+    void refreshTimestamp();
+
+    void setChannel(SocketChannel _channel);
+
+    void setId(byte[] _id);
+
+    void setPort(int _port);
+
+    void setBinaryVersion(String _revision);
+
 }

modP2p/src/org/aion/p2p/INodeMgr.java

@@ -1,5 +1,30 @@
+/*
+ * Copyright (c) 2017-2018 Aion foundation.
+ *
+ *     This file is part of the aion network project.
+ *
+ *     The aion network project 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 3 of
+ *     the License, or any later version.
+ *
+ *     The aion network project 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 the aion network project source files.
+ *     If not, see <https://www.gnu.org/licenses/>.
+ *
+ * Contributors:
+ *     Aion foundation.
+ */
 package org.aion.p2p;
 
+import java.util.List;
+import java.util.Map;
+
 public interface INodeMgr {
 
 	void timeoutActive(final IP2pMgr _p2pMgr);
@@ -10,4 +35,46 @@ public interface INodeMgr {
 
 	void dropActive(int _nodeIdHash, final IP2pMgr _p2pMgr, String _reason);
 
+	void timeoutInbound(IP2pMgr _p2pMgr);
+
+	Map<Integer, INode> getOutboundNodes();
+
+	int activeNodesSize();
+
+	INode tempNodesTake() throws InterruptedException;
+
+	boolean isSeedIp(String _ip);
+
+	void addTempNode(INode _n);
+
+	boolean hasActiveNode(int k);
+
+	void addOutboundNode(INode _n);
+
+	void addInboundNode(INode _n);
+
+	INode allocNode(String ip, int p0);
+
+	INode getActiveNode(int k);
+
+	List<INode> getActiveNodesList();
+
+	int tempNodesSize();
+
+	INode getInboundNode(int k);
+
+	INode getOutboundNode(int k);
+
+	String dumpNodeInfo(String selfShortId);
+
+	void seedIpAdd(String _ip);
+
+	void shutdown(IP2pMgr _p2pMgr);
+
+	void ban(int _nodeIdHash);
+
+	INode getRandom();
+
+	Map<Integer, INode> getActiveNodesMap();
+
 }