/**
* 去查询所有的server的状态
*
* @param m2mWebPacket
* @param channel
* @throws IOException
*/
public void lookAllServerStatus(M2mWebPacket m2mWebPacket, ChannelHandlerContext ctx)
throws IOException {
M2mServerStatusDOs m2mServerStatuses = new M2mServerStatusDOs();
final ConcurrentHashMap<Long, String> survivalServers = networkPool.getPositionToServer();
List<M2mServerStatusDO> m2mServerStatusDOs = new ArrayList<>();
List<String> serverStrings =
survivalServers
.entrySet()
.stream()
.map(
entry -> {
M2mServerStatusDO m2mServerStatusDO = new M2mServerStatusDO();
m2mServerStatusDO.setId(entry.getKey());
m2mServerStatusDO.setIp(entry.getValue());
m2mServerStatusDO.setStatus(M2mServerStatus.STARTED.getStatus());
m2mServerStatusDOs.add(m2mServerStatusDO);
return entry.getValue();
})
.collect(Collectors.toList());
serverCnxnFactory
.getAllServer()
.entrySet()
.stream()
.filter(entry -> (!serverStrings.contains(entry.getKey())))
.map(
entry -> {
M2mServerStatusDO m2mServerStatusDO = new M2mServerStatusDO();
m2mServerStatusDO.setId(entry.getValue());
m2mServerStatusDO.setIp(entry.getKey());
m2mServerStatusDO.setStatus(M2mServerStatus.STOPED.getStatus());
m2mServerStatusDOs.add(m2mServerStatusDO);
return entry.getKey();
})
.count();
m2mServerStatuses.setM2mServerStatusDOs(m2mServerStatusDOs);
M2mWebServerStatusResponse m2mWebServerStatusResponse = new M2mWebServerStatusResponse();
M2mWebPacket m2mPacket =
M2mWebPacketHandle.createM2mWebPacket(
m2mWebPacket.getM2mRequestHeader(),
m2mWebPacket.getM2mReplyHeader(),
m2mWebPacket.getRequest(),
m2mWebServerStatusResponse,
m2mServerStatuses,
"m2mWebServerStatuses");
ctx.writeAndFlush(m2mPacket);
}
@Override
public void channelRead0(ChannelHandlerContext ctx, Object msg) {
try {
System.out.println("接收到了数据");
M2mWebPacket m2mPacket = (M2mWebPacket) msg;
int operateType = m2mPacket.getM2mRequestHeader().getType();
System.out.println(operateType + "操作类型");
if (operateType == OperateCode.getStatus.getCode()) {
try {
lookAllServerStatus(m2mPacket, ctx);
} catch (IOException e) {
if (LOG.isInfoEnabled()) {
LOG.error("channelRead is error:because of:{}", e.getMessage());
}
}
} else if (operateType == OperateCode.retriveLocalKey.getCode()) { // 查看本地是否包含一个key
String key = m2mPacket.getM2mRequestHeader().getKey();
if (key == null) {
if (LOG.isInfoEnabled()) {
LOG.info("key is null");
}
}
final ConcurrentHashMap<String, ZooKeeperServer> zookeeperServers =
serverCnxnFactory.getZkServers();
Set<String> servers = new HashSet<String>();
for (Entry<String, ZooKeeperServer> entry : zookeeperServers.entrySet()) {
ZooKeeperServer zooKeeperServer = entry.getValue();
ZKDatabase zkDatabase = zooKeeperServer.getZKDatabase();
if (zkDatabase.getM2mData().getNodes().containsKey(key)) {
servers.add(entry.getKey());
}
}
m2mPacket.getM2mRequestHeader().setType(OperateCode.ReplyRetriverRemoteKey.getCode());
M2mWebPacket m2mWebPacket =
new M2mWebPacket(
m2mPacket.getM2mRequestHeader(),
m2mPacket.getM2mReplyHeader(),
m2mPacket.getRequest(),
new M2mWebRetriveKeyResponse(servers));
ctx.writeAndFlush(m2mWebPacket);
} else if (operateType == OperateCode.retriveRemoteKey.getCode()) {
System.out.println("进入到这里");
String server = networkPool.getSock(m2mPacket.getM2mRequestHeader().getKey());
int zxid = getNextZxid();
result.put(zxid, new RetriveServerAndCtx(ctx, new HashSet<String>()));
serverResult.put(zxid, 0);
m2mPacket.getM2mRequestHeader().setXid(zxid);
m2mPacket.getM2mRequestHeader().setType(OperateCode.retriveLocalKey.getCode());
Long position = networkPool.getServerPosition().get(server);
for (int i = 0; i < serverCnxnFactory.getReplicationFactor(); i++) {
String address = spilitString(networkPool.getPositionToServer().get(position + i))[0];
Integer webPort =
NetworkPool.webPort.get(networkPool.getPositionToServer().get(position + i));
WebTcpClient tcpClient = new WebTcpClient(serverCnxnFactory.getReplicationFactor());
if (webAddressAndPortToChannel.containsKey(address + webPort)) {
webAddressAndPortToChannel.get(address + webPort).writeAndFlush(m2mPacket);
} else {
tcpClient.connectionOne(address, webPort);
tcpClient.write(m2mPacket);
webAddressAndPortToChannel.put(address + webPort, tcpClient.getChannel());
}
}
} else {
if (LOG.isDebugEnabled()) {
LOG.info("invalid operate type : {}", m2mPacket.getM2mRequestHeader().getType());
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
public WebServerChannelHandler(ServerCnxnFactory serverCnxnFactory) {
this.networkPool = serverCnxnFactory.getNetworkPool();
this.serverCnxnFactory = serverCnxnFactory;
}