fix null point excpetion

olenheim · olenheim · commit 28136df97701 · 2018-04-05T20:06:18.000+08:00
diff --git a/src/main/java/org/tron/common/overlay/server/HandshakeHandler.java b/src/main/java/org/tron/common/overlay/server/HandshakeHandler.java
@@ -80,7 +80,6 @@ protected void decode(ChannelHandlerContext ctx, ByteBuf buffer, List<Object> ou
     }
 
     final HelloMessage helloMessage = (HelloMessage) msg;
-    channel.getNodeStatistics().p2pInHello.add();
 
     if (helloMessage.getVersion() != Args.getInstance().getNodeP2pVersion()) {
       logger.info("version not support, you[{}] version[{}], my version[{}]",
@@ -95,6 +94,8 @@ protected void decode(ChannelHandlerContext ctx, ByteBuf buffer, List<Object> ou
       channel.sendHelloMessage(ctx);
     }
 
+    channel.getNodeStatistics().p2pInHello.add();
+
     channel.publicHandshakeFinished(ctx, helloMessage);
 
     ctx.pipeline().remove(this);

Original file line number	Diff line number	Diff line change
`@@ -80,7 +80,6 @@ protected void decode(ChannelHandlerContext ctx, ByteBuf buffer, List<Object> ou`
`80`	`80`	`}`
`81`	`81`
`82`	`82`	`final HelloMessage helloMessage = (HelloMessage) msg;`
`83`		`- channel.getNodeStatistics().p2pInHello.add();`
`84`	`83`
`85`	`84`	`if (helloMessage.getVersion() != Args.getInstance().getNodeP2pVersion()) {`
`86`	`85`	`logger.info("version not support, you[{}] version[{}], my version[{}]",`
`@@ -95,6 +94,8 @@ protected void decode(ChannelHandlerContext ctx, ByteBuf buffer, List<Object> ou`
`95`	`94`	`channel.sendHelloMessage(ctx);`
`96`	`95`	`}`
`97`	`96`
	`97`	`+ channel.getNodeStatistics().p2pInHello.add();`
	`98`	`+`
`98`	`99`	`channel.publicHandshakeFinished(ctx, helloMessage);`
`99`	`100`
`100`	`101`	`ctx.pipeline().remove(this);`