Java Poll类代码示例

import org.apache.tomcat.jni.Poll; //导入依赖的package包/类
/**
 * Remove specified socket from the pollers. Must only be called from
 * {@link Poller#run()}.
 */
private boolean removeFromPoller(long socket) {
    if (log.isDebugEnabled()) {
        log.debug(sm.getString("endpoint.debug.pollerRemove",
                Long.valueOf(socket)));
    }
    int rv = -1;
    for (int i = 0; i < pollers.length; i++) {
        if (pollerSpace[i] < actualPollerSize) {
            rv = Poll.remove(pollers[i], socket);
            if (rv != Status.APR_NOTFOUND) {
                pollerSpace[i]++;
                connectionCount.decrementAndGet();
                if (log.isDebugEnabled()) {
                    log.debug(sm.getString("endpoint.debug.pollerRemoved",
                            Long.valueOf(socket)));
                }
                break;
            }
        }
    }
    timeouts.remove(socket);
    return (rv == Status.APR_SUCCESS);
}
 

import org.apache.tomcat.jni.Poll; //导入依赖的package包/类
/**
 * Displays the list of sockets in the pollers.
 */
@Override
public String toString() {
    StringBuffer buf = new StringBuffer();
    buf.append("Poller");
    long[] res = new long[actualPollerSize * 2];
    for (int i = 0; i < pollers.length; i++) {
        int count = Poll.pollset(pollers[i], res);
        buf.append(" [ ");
        for (int j = 0; j < count; j++) {
            buf.append(desc[2*j+1]).append(" ");
        }
        buf.append("]");
    }
    return buf.toString();
}
 

import org.apache.tomcat.jni.Poll; //导入依赖的package包/类
/**
 * Remove specified socket from the pollers. Must only be called from
 * {@link Poller#run()}.
 */
private boolean removeFromPoller(long socket) {
	if (log.isDebugEnabled()) {
		log.debug(sm.getString("endpoint.debug.pollerRemove", Long.valueOf(socket)));
	}
	int rv = -1;
	for (int i = 0; i < pollers.length; i++) {
		if (pollerSpace[i] < actualPollerSize) {
			rv = Poll.remove(pollers[i], socket);
			if (rv != Status.APR_NOTFOUND) {
				pollerSpace[i]++;
				connectionCount.decrementAndGet();
				if (log.isDebugEnabled()) {
					log.debug(sm.getString("endpoint.debug.pollerRemoved", Long.valueOf(socket)));
				}
				break;
			}
		}
	}
	timeouts.remove(socket);
	return (rv == Status.APR_SUCCESS);
}
 

import org.apache.tomcat.jni.Poll; //导入依赖的package包/类
/**
 * Displays the list of sockets in the pollers.
 */
@Override
public String toString() {
	StringBuffer buf = new StringBuffer();
	buf.append("Poller");
	long[] res = new long[actualPollerSize * 2];
	for (int i = 0; i < pollers.length; i++) {
		int count = Poll.pollset(pollers[i], res);
		buf.append(" [ ");
		for (int j = 0; j < count; j++) {
			buf.append(desc[2 * j + 1]).append(" ");
		}
		buf.append("]");
	}
	return buf.toString();
}
 

import org.apache.tomcat.jni.Poll; //导入依赖的package包/类
/**
 * Remove socket from the poller.
 *
 * @param data
 *            the sendfile data which should be removed
 */
protected void remove(SendfileData data) {
	int rv = Poll.remove(sendfilePollset, data.socket);
	if (rv == Status.APR_SUCCESS) {
		sendfileCount--;
	}
	sendfileData.remove(Long.valueOf(data.socket));
}
 

import org.apache.tomcat.jni.Poll; //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.Poll; //导入依赖的package包/类
/**
 * Add specified socket to one of the pollers. Must only be called from
 * {@link Poller#run()}.
 */
protected boolean addToPoller(long socket, int events) {
    int rv = -1;
    for (int i = 0; i < pollers.length; i++) {
        if (pollerSpace[i] > 0) {
            rv = Poll.add(pollers[i], socket, events);
            if (rv == Status.APR_SUCCESS) {
                pollerSpace[i]--;
                connectionCount.incrementAndGet();
                return true;
            }
        }
    }
    return false;
}
 

import org.apache.tomcat.jni.Poll; //导入依赖的package包/类
/**
 * Destroy the poller.
 */
protected void destroy() {
    sendfileRunning = false;
    // Wait for polltime before doing anything, so that the poller threads
    // exit, otherwise parallel destruction of sockets which are still
    // in the poller can cause problems
    try {
        synchronized (this) {
            this.notify();
            this.wait(pollTime / 1000);
        }
    } catch (InterruptedException e) {
        // Ignore
    }
    // Close any socket remaining in the add queue
    for (int i = (addS.size() - 1); i >= 0; i--) {
        SendfileData data = addS.get(i);
        closeSocket(data.socket);
    }
    // Close all sockets still in the poller
    int rv = Poll.pollset(sendfilePollset, desc);
    if (rv > 0) {
        for (int n = 0; n < rv; n++) {
            closeSocket(desc[n*2+1]);
        }
    }
    Pool.destroy(pool);
    sendfileData.clear();
}
 

import org.apache.tomcat.jni.Poll; //导入依赖的package包/类
/**
 * Remove socket from the poller.
 *
 * @param data the sendfile data which should be removed
 */
protected void remove(SendfileData data) {
    int rv = Poll.remove(sendfilePollset, data.socket);
    if (rv == Status.APR_SUCCESS) {
        sendfileCount--;
    }
    sendfileData.remove(Long.valueOf(data.socket));
}
 

import org.apache.tomcat.jni.Poll; //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.Poll; //导入依赖的package包/类
/**
 * Destroy the poller.
 */
protected void destroy() {
    // Wait for pollerTime before doing anything, so that the poller threads
    // exit, otherwise parallel destruction of sockets which are still
    // in the poller can cause problems
    try {
        synchronized (this) {
            this.wait(pollTime / 1000);
        }
    } catch (InterruptedException e) {
        // Ignore
    }
    // Close all sockets in the add queue
    SocketInfo info = addList.get();
    while (info != null) {
        if (!comet || (comet && !processSocket(info.socket, SocketStatus.STOP))) {
            Socket.destroy(info.socket);
        }
        info = addList.get();
    }
    addList.clear();
    // Close all sockets still in the poller
    for (int i = 0; i < pollerCount; i++) {
        int rv = Poll.pollset(pollers[i], desc);
        if (rv > 0) {
            for (int n = 0; n < rv; n++) {
                if (!comet || (comet && !processSocket(desc[n*2+1], SocketStatus.STOP))) {
                    Socket.destroy(desc[n*2+1]);
                }
            }
        }
    }
    Pool.destroy(pool);
    connectionCount = 0;
}
 

import org.apache.tomcat.jni.Poll; //导入依赖的package包/类
/**
 * Add specified socket to one of the pollers. 
 */
protected boolean addToPoller(long socket, int events) {
    int rv = -1;
    for (int i = 0; i < pollers.length; i++) {
        if (pollerSpace[i] > 0) {
            rv = Poll.add(pollers[i], socket, events);
            if (rv == Status.APR_SUCCESS) {
                pollerSpace[i]--;
                connectionCount++;
                return true;
            }
        }
    }
    return false;
}
 

import org.apache.tomcat.jni.Poll; //导入依赖的package包/类
/**
 * Remove specified socket from the pollers. 
 */
protected boolean removeFromPoller(long socket) {
    int rv = -1;
    for (int i = 0; i < pollers.length; i++) {
        if (pollerSpace[i] < actualPollerSize) {
            rv = Poll.remove(pollers[i], socket);
            if (rv != Status.APR_NOTFOUND) {
                pollerSpace[i]++;
                connectionCount--;
                break;
            }
        }
    }
    return (rv == Status.APR_SUCCESS);
}
 

import org.apache.tomcat.jni.Poll; //导入依赖的package包/类
/**
 * Displays the list of sockets in the pollers.
 */
public String toString() {
    StringBuffer buf = new StringBuffer();
    buf.append("Poller comet=[").append(comet).append("]");
    long[] res = new long[actualPollerSize * 2];
    for (int i = 0; i < pollers.length; i++) {
        int count = Poll.pollset(pollers[i], res);
        buf.append(" [ ");
        for (int j = 0; j < count; j++) {
            buf.append(desc[2*j+1]).append(" ");
        }
        buf.append("]");
    }
    return buf.toString();
}
 

import org.apache.tomcat.jni.Poll; //导入依赖的package包/类
/**
 * Remove socket from the poller.
 *
 * @param data the sendfile data which should be removed
 */
protected void remove(SendfileData data) {
    int rv = Poll.remove(sendfilePollset, data.socket);
    if (rv == Status.APR_SUCCESS) {
        sendfileCount--;
    }
    sendfileData.remove(new Long(data.socket));
}