Examples with NetException com.acgist.snail.context.exception.NetException used on opensource projects

Example 1 with NetException

use of com.acgist.snail.context.exception.NetException in project snail by acgist.

the class HlsClient method checkCompleted.

/**
 * <p>校验是否下载完成</p>
 *
 * @param downloadSize 已经下载大小
 *
 * @return 是否下载完成
 */
private boolean checkCompleted(final long downloadSize) {
    // 如果文件已经下载完成直接返回
    if (this.completed) {
        return this.completed;
    }
    final File file = new File(this.path);
    if (!file.exists()) {
        return false;
    }
    try {
        final var header = HttpClient.newInstance(this.link).head().responseHeader();
        this.size = header.fileSize();
        return this.size == downloadSize;
    } catch (NetException e) {
        LOGGER.error("HLS文件校验异常：{}", this.link, e);
    }
    return false;
}

Example 2 with NetException

use of com.acgist.snail.context.exception.NetException in project snail by acgist.

the class HttpClient method responseToString.

/**
 * <p>获取响应文本</p>
 *
 * @return 响应文本
 *
 * @throws NetException 网络异常
 */
public String responseToString() throws NetException {
    int length;
    final var input = this.response();
    final var bytes = new byte[SystemConfig.DEFAULT_EXCHANGE_LENGTH];
    final var builder = new StringBuilder();
    try {
        while ((length = input.read(bytes)) >= 0) {
            builder.append(new String(bytes, 0, length));
        }
    } catch (IOException e) {
        throw new NetException(e);
    } finally {
        IoUtils.close(input);
    }
    return builder.toString();
}

Example 3 with NetException

use of com.acgist.snail.context.exception.NetException in project snail by acgist.

the class HttpClient method execute.

/**
 * <p>执行请求</p>
 *
 * @param method 请求方法
 * @param body 请求数据
 *
 * @return {@link HttpClient}
 *
 * @throws NetException 网络异常
 */
public HttpClient execute(Method method, String body) throws NetException {
    OutputStream output = null;
    try {
        // 设置请求方式
        this.httpURLConnection.setRequestMethod(method.name());
        if (method == Method.GET) {
            // 是否写出：GET不要写出
            this.httpURLConnection.setDoOutput(false);
        } else if (method == Method.HEAD) {
            // 是否写出：HEAD不要写出
            this.httpURLConnection.setDoOutput(false);
        } else if (method == Method.POST) {
            // 是否写出：POST需要写出
            this.httpURLConnection.setDoOutput(true);
        } else {
            throw new NetException("不支持的请求方式：" + method);
        }
        // 发起连接
        this.httpURLConnection.connect();
        // 发送请求参数
        if (body != null) {
            output = this.httpURLConnection.getOutputStream();
            output.write(body.getBytes());
        }
        // 设置状态码
        this.code = this.httpURLConnection.getResponseCode();
    } catch (IOException e) {
        throw new NetException(e);
    } finally {
        IoUtils.close(output);
    }
    return this;
}

Example 4 with NetException

use of com.acgist.snail.context.exception.NetException in project snail by acgist.

the class HttpClient method buildHttpURLConnection.

/**
 * <p>新建请求连接</p>
 *
 * @param connectTimeout 连接超时时间（毫秒）
 * @param receiveTimeout 响应超时时间（毫秒）
 *
 * @return 请求连接
 *
 * @throws NetException 网络异常
 */
private HttpURLConnection buildHttpURLConnection(int connectTimeout, int receiveTimeout) throws NetException {
    try {
        final var requestUrl = new URL(this.url);
        final var connection = (HttpURLConnection) requestUrl.openConnection();
        // 是否读取
        connection.setDoInput(true);
        // 是否缓存
        connection.setUseCaches(false);
        // 响应超时时间
        connection.setReadTimeout(receiveTimeout);
        // 连接超时时间
        connection.setConnectTimeout(connectTimeout);
        // 是否自动重定向
        connection.setInstanceFollowRedirects(true);
        return connection;
    } catch (IOException e) {
        throw new NetException(e);
    }
}

Example 5 with NetException

use of com.acgist.snail.context.exception.NetException in project snail by acgist.

the class TcpMessageHandler method send.

@Override
public void send(ByteBuffer buffer, int timeout) throws NetException {
    this.check(buffer);
    // 阻塞线程（等待发送完成）：防止多线程同时写导致WritePendingException
    synchronized (this.channel) {
        try {
            int size;
            final Future<Integer> future = this.channel.write(buffer);
            // 超时时间：超时异常导致数据没有发送完成但释放了锁从而引起一连串的WritePendingException
            if (timeout <= SystemConfig.NONE_TIMEOUT) {
                // 没有超时：除了连接消息（首条消息）以外所有消息都不使用超时时间
                size = future.get();
            } else {
                // 超时时间：连接消息（首条消息）使用超时时间
                size = future.get(timeout, TimeUnit.SECONDS);
            }
            if (size <= 0) {
                LOGGER.warn("TCP消息发送失败：{}-{}", this.channel, size);
            }
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
            throw new NetException(e);
        } catch (TimeoutException | ExecutionException e) {
            throw new NetException(e);
        }
    }
}