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package com.roncoo.fastdfs.pool;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.InetSocketAddress;
import java.net.Socket;

import com.roncoo.fastdfs.ClientGlobal;
import com.roncoo.fastdfs.ProtoCommon;

public class Connection {

	private Socket sock;
	private InetSocketAddress inetSockAddr;
	private Long lastAccessTime = System.currentTimeMillis();

	private boolean needActiveTest = false;

	public Connection(Socket sock, InetSocketAddress inetSockAddr) {
		this.sock = sock;
		this.inetSockAddr = inetSockAddr;
	}

	/**
	 * get the server info
	 *
	 * @return the server info
	 */
	public InetSocketAddress getInetSocketAddress() {
		return this.inetSockAddr;
	}

	public OutputStream getOutputStream() throws IOException {
		return this.sock.getOutputStream();
	}

	public InputStream getInputStream() throws IOException {
		return this.sock.getInputStream();
	}

	public Long getLastAccessTime() {
		return lastAccessTime;
	}

	public void setLastAccessTime(Long lastAccessTime) {
		this.lastAccessTime = lastAccessTime;
	}

	/**
	 *
	 * @throws IOException 异常
	 */
	public void close() throws IOException {
		// if connection enabled get from connection pool
		if (ClientGlobal.g_connection_pool_enabled) {
			ConnectionPool.closeConnection(this);
		} else {
			this.closeDirectly();
		}
	}

	public void release() throws IOException {
		if (ClientGlobal.g_connection_pool_enabled) {
			ConnectionPool.releaseConnection(this);
		} else {
			this.closeDirectly();
		}
	}

	/**
	 * force close socket
	 * 
	 * @throws IOException 异常
	 */
	public void closeDirectly() throws IOException {
		if (this.sock != null) {
			try {
				ProtoCommon.closeSocket(this.sock);
			} finally {
				this.sock = null;
			}
		}
	}

	public boolean activeTest() throws IOException {
		if (this.sock == null) {
			return false;
		}
		return ProtoCommon.activeTest(this.sock);
	}

	public boolean isConnected() {
		boolean isConnected = false;
		if (sock != null) {
			if (sock.isConnected()) {
				isConnected = true;
			}
		}
		return isConnected;
	}

	public boolean isAvaliable() {
		if (isConnected()) {
			if (sock.getPort() == 0) {
				return false;
			}
			if (sock.getInetAddress() == null) {
				return false;
			}
			if (sock.getRemoteSocketAddress() == null) {
				return false;
			}
			if (sock.isInputShutdown()) {
				return false;
			}
			if (sock.isOutputShutdown()) {
				return false;
			}
			return true;
		}
		return false;
	}

	public boolean isNeedActiveTest() {
		return needActiveTest;
	}

	public void setNeedActiveTest(boolean needActiveTest) {
		this.needActiveTest = needActiveTest;
	}

	@Override
	public String toString() {
		return "Connection{" + "sock=" + sock + ", inetSockAddr=" + inetSockAddr + ", lastAccessTime=" + lastAccessTime + ", needActiveTest=" + needActiveTest + '}';
	}
}




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