Example usage for org.apache.http.nio.reactor IOReactorStatus INACTIVE

Introduction

In this page you can find the example usage for org.apache.http.nio.reactor IOReactorStatus INACTIVE.

Prototype

IOReactorStatus INACTIVE

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Document

The reactor is inactive / has not been started

Usage

From source file:com.google.acre.script.NHttpClient.java

public void wait_on_result(long time, TimeUnit tunit, AcreResponse res) throws NHttpException {

    if (_reactor != null && _reactor.getStatus() != IOReactorStatus.INACTIVE) {
        throw new NHttpException("Can not run wait_on_results while it is already running [current status: "
                + _reactor.getStatus() + "]");
    }/*  w ww.j a v  a 2 s .  co m*/

    start();

    long endtime = System.currentTimeMillis() + tunit.toMillis(time);

    int i = 0;
    while (_requests.size() > 0) {
        long pass_start_time = System.currentTimeMillis();

        if (i > _requests.size() - 1)
            i = 0;

        if (time != -1L && endtime <= System.currentTimeMillis()) {
            // If we've run out of time, kill off the reactor to
            // close our open connections, and throw an exception
            // to let the caller know we're out of time
            // 
            // XXX should probably use a real exception here
            try {
                _requests.clear();
                _reactor.shutdown();
                throw new NHttpTimeoutException();
            } catch (IOException e) {
                throw new RuntimeException(e);
            }
        }

        NHttpClientClosure closure = _requests.get(i);
        if (!closure.done() && closure.sreq() == null && _connection_lock.availablePermits() > 0) {
            closure.sreq(closure.connect(_proxy, _reactor));
        }

        if (closure.done()) {
            if (closure.response() != null) {
                closure.callback().finished(closure.url(), closure.response());
            } else if (closure.exceptions().size() > 0) {
                closure.exceptions().get(0).printStackTrace();
                closure.callback().error(closure.url(), new NHttpException(closure.exceptions().get(0)));
            } else {
                closure.callback().error(closure.url(), new NHttpException("Request failed"));
            }
            _requests.remove(i);
            continue;
        } else if (closure.timeout() != 0
                && (closure.start_time() + closure.timeout()) <= System.currentTimeMillis()) {
            // We pass a null response to the callback to let it know
            // that things broke
            if (closure.sreq() != null) {
                closure.sreq().cancel();
                _connection_lock.release();
            }

            closure.callback().error(closure.url(), new NHttpTimeoutException());
            _requests.remove(i);
            continue;
        }

        // Block for 15ms to not eat all the cpu
        try {
            Thread.sleep(15);
        } catch (InterruptedException e) {
            // pass
        }

        _costCollector.collect("auub", System.currentTimeMillis() - pass_start_time);
        i++;
    }

    // It's somewhat questionable to stop the reactor when we're done
    // but we can restart it if we need it again.
    stop();
}

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