Java Error类代码示例

import org.apache.tomcat.jni.Error; //导入依赖的package包/类
/**
 * Allocate a new poller of the specified size.
 */
protected long allocatePoller(int size, long pool, int timeout) {
    try {
        return Poll.create(size, pool, 0, timeout * 1000);
    } catch (Error e) {
        if (Status.APR_STATUS_IS_EINVAL(e.getError())) {
            log.info(sm.getString("endpoint.poll.limitedpollsize", "" + size));
            return 0;
        } else {
            log.error(sm.getString("endpoint.poll.initfail"), e);
            return -1;
        }
    }
}
 

import org.apache.tomcat.jni.Error; //导入依赖的package包/类
/**
 * Connect this socket wrapper to remote server and start main loop on
 * AprSocketSource stdout link, to watch for incoming data, and
 * AprSocketSink stdin link, to pull for outgoing data.
 */
@Override
public void connect(InetSocketAddress address) throws IOException {
    try {
        inetAddress = Address.info(address.getHostName(), Socket.APR_UNSPEC, address.getPort(), 0, pool);
        socket = Socket.create(Address.getInfo(inetAddress).family, Socket.SOCK_STREAM, Socket.APR_PROTO_TCP, pool);
    } catch (Exception e) {
        throw new IOException("[" + this + "] ERROR: Cannot create socket for \"" + address + "\".", e);
    }

    int ret = Socket.connect(socket, inetAddress);
    if (ret != 0)
        throw new IOException("[" + this + "] ERROR: Cannot connect to remote host \"" + address + "\": " + Error.strerror(ret));

    source.setSocket(socket);
    sink.setSocket(socket);

    // Start polling for data to send to remote sever
    runMainLoop(IN, STDIN, true, true);

    // Push incoming data from server to handlers
    runMainLoop(OUT, STDOUT, false, false);

}
 

import org.apache.tomcat.jni.Error; //导入依赖的package包/类
private long createAprSocket(int port, long pool)
             throws Exception {
    /**
     * Server socket "pointer".
     */
    long serverSock = 0;

    String address = InetAddress.getByName("localhost").getHostAddress();

    // Create the APR address that will be bound
    int family = Socket.APR_INET;
    if (Library.APR_HAVE_IPV6) {
        if (!OS.IS_BSD && !OS.IS_WIN32 && !OS.IS_WIN64)
            family = Socket.APR_UNSPEC;
     }

    long inetAddress = 0;
    try {
        inetAddress = Address.info(address, family,
                                   port, 0, pool);
        // Create the APR server socket
        serverSock = Socket.create(Address.getInfo(inetAddress).family,
                                   Socket.SOCK_STREAM,
                                   Socket.APR_PROTO_TCP, pool);
    } catch (Exception ex) {
        log.error("Could not create socket for address '" + address + "'");
        return 0;
    }

    if (OS.IS_UNIX) {
        Socket.optSet(serverSock, Socket.APR_SO_REUSEADDR, 1);
    }
    // Deal with the firewalls that tend to drop the inactive sockets
    Socket.optSet(serverSock, Socket.APR_SO_KEEPALIVE, 1);
    // Bind the server socket
    int ret = Socket.bind(serverSock, inetAddress);
    if (ret != 0) {
        log.error("Could not bind: " + Error.strerror(ret));
        throw (new Exception(Error.strerror(ret)));
    }
    return serverSock;
}
 

import org.apache.tomcat.jni.Error; //导入依赖的package包/类
/**
 * Allocate a new poller of the specified size.
 */
protected long allocatePoller(int size, long pool, int timeout) {
    try {
        return Poll.create(size, pool, 0, (timeout > 0) ? (timeout * 1000) : -1);
    } catch (Error e) {
        if (Status.APR_STATUS_IS_EINVAL(e.getError())) {
            log.info(sm.getString("endpoint.poll.limitedpollsize", "" + size));
            return 0;
        } else {
            log.error(sm.getString("endpoint.poll.initfail"), e);
            return -1;
        }
    }
}
 

import org.apache.tomcat.jni.Error; //导入依赖的package包/类
/**
 * Allocate a new poller of the specified size.
 */
protected long allocatePoller(int size, long pool, int timeout) {
	try {
		return Poll.create(size, pool, 0, timeout * 1000);
	} catch (Error e) {
		if (Status.APR_STATUS_IS_EINVAL(e.getError())) {
			log.info(sm.getString("endpoint.poll.limitedpollsize", "" + size));
			return 0;
		} else {
			log.error(sm.getString("endpoint.poll.initfail"), e);
			return -1;
		}
	}
}
 

import org.apache.tomcat.jni.Error; //导入依赖的package包/类
private boolean doPoll(long pollset) {
    int rv = Poll.poll(pollset, pollTime, desc, true);
    if (rv > 0) {
        keepAliveCount -= rv;
        for (int n = 0; n < rv; n++) {
            // Check for failed sockets and hand this socket off to a worker
            if (((desc[n*2] & Poll.APR_POLLHUP) == Poll.APR_POLLHUP)
                    || ((desc[n*2] & Poll.APR_POLLERR) == Poll.APR_POLLERR)
                    || (comet && (!processSocket(desc[n*2+1], SocketStatus.OPEN)))
                    || (!comet && (!processSocket(desc[n*2+1])))) {
                // Close socket and clear pool
                if (comet) {
                    processSocket(desc[n*2+1], SocketStatus.DISCONNECT);
                } else {
                    destroySocket(desc[n*2+1]);
                }
                return true;
            }
        }
    } else if (rv < 0) {
        int errn = -rv;
        /* Any non timeup or interrupted error is critical */
        if ((errn != Status.TIMEUP) && (errn != Status.EINTR)) {
            if (errn >  Status.APR_OS_START_USERERR) {
                errn -=  Status.APR_OS_START_USERERR;
            }
            log.error(sm.getString("endpoint.poll.fail", "" + errn, Error.strerror(errn)));
            // Handle poll critical failure
            synchronized (this) {
                destroy();
                init();
            }
            return true;
        }
    }
    return false;
}
 

import org.apache.tomcat.jni.Error; //导入依赖的package包/类
private long createAprSocket(int port, long pool) 
             throws Exception {
    /**
     * Server socket "pointer".
     */
    long serverSock = 0;

    String address = null;
    // Create the APR address that will be bound
    int family = Socket.APR_INET;
    if (Library.APR_HAVE_IPV6) {
        if (!OS.IS_BSD && !OS.IS_WIN32 && !OS.IS_WIN64)
            family = Socket.APR_UNSPEC;
     }

    long inetAddress = 0;
    try {
        inetAddress = Address.info(address, family,
                                   port, 0, pool);
        // Create the APR server socket
        serverSock = Socket.create(Address.getInfo(inetAddress).family,
                                   Socket.SOCK_STREAM,
                                   Socket.APR_PROTO_TCP, pool);
    } catch (Exception ex) {
        log.error("Could not create socket for address '" + address + "'");
        return 0;
    }

    if (OS.IS_UNIX) {
        Socket.optSet(serverSock, Socket.APR_SO_REUSEADDR, 1);
    }
    // Deal with the firewalls that tend to drop the inactive sockets
    Socket.optSet(serverSock, Socket.APR_SO_KEEPALIVE, 1);
    // Bind the server socket
    int ret = Socket.bind(serverSock, inetAddress);
    if (ret != 0) {
        log.error("Could not bind: " + Error.strerror(ret));
        throw (new Exception(Error.strerror(ret)));
    }
    return serverSock;
}