Examples with Connection ch.ethz.ssh2.Connection used on opensource projects

Example 1 with Connection

use of ch.ethz.ssh2.Connection in project pinpoint by naver.

the class MethodInvocationHandlerInterceptor method createTrace.

/**
     * Creates the trace.
     *
     * @param target the target
     * @param args the args
     * @return the trace
     */
private Trace createTrace(final Object target, final Object[] args) {
    final Method methodInvoked = (Method) args[2];
    final StringBuilder methodNameBuilder = new StringBuilder();
    if (methodInvoked != null) {
        try {
            final Class<?> declaringClass = methodInvoked.getDeclaringClass();
            if (declaringClass != null) {
                methodNameBuilder.append(declaringClass.getCanonicalName());
                methodNameBuilder.append(".");
            }
            methodNameBuilder.append(methodInvoked.getName());
        } catch (final Exception exception) {
            logger.error("An error occurred while fetching method details", exception);
        }
    }
    final Trace trace = traceContext.newTraceObject();
    final Connection connection = RemotingContext.getConnection();
    final String remoteAddress = JbossUtility.fetchRemoteAddress(connection);
    if (trace.canSampled()) {
        final SpanRecorder recorder = trace.getSpanRecorder();
        recordRootSpan(recorder, methodNameBuilder.toString(), remoteAddress);
        if (isDebug) {
            logger.debug("Trace sampling is true, Recording trace. methodInvoked:{}, remoteAddress:{}", methodNameBuilder.toString(), remoteAddress);
        }
    } else {
        if (isDebug) {
            logger.debug("Trace sampling is false, Skip recording trace. methodInvoked:{}, remoteAddress:{}", methodNameBuilder.toString(), remoteAddress);
        }
    }
    return trace;
}

Example 2 with Connection

use of ch.ethz.ssh2.Connection in project Fast-Android-Networking by amitshekhariitbhu.

the class HttpLoggingInterceptor method intercept.

@Override
public Response intercept(Chain chain) throws IOException {
    Level level = this.level;
    Request request = chain.request();
    if (level == Level.NONE) {
        return chain.proceed(request);
    }
    boolean logBody = level == Level.BODY;
    boolean logHeaders = logBody || level == Level.HEADERS;
    RequestBody requestBody = request.body();
    boolean hasRequestBody = requestBody != null;
    Connection connection = chain.connection();
    Protocol protocol = connection != null ? connection.protocol() : Protocol.HTTP_1_1;
    String requestStartMessage = "--> " + request.method() + ' ' + request.url() + ' ' + protocol;
    if (!logHeaders && hasRequestBody) {
        requestStartMessage += " (" + requestBody.contentLength() + "-byte body)";
    }
    logger.log(requestStartMessage);
    if (logHeaders) {
        if (hasRequestBody) {
            // them to be included (when available) so there values are known.
            if (requestBody.contentType() != null) {
                logger.log("Content-Type: " + requestBody.contentType());
            }
            if (requestBody.contentLength() != -1) {
                logger.log("Content-Length: " + requestBody.contentLength());
            }
        }
        Headers headers = request.headers();
        for (int i = 0, count = headers.size(); i < count; i++) {
            String name = headers.name(i);
            // Skip headers from the request body as they are explicitly logged above.
            if (!"Content-Type".equalsIgnoreCase(name) && !"Content-Length".equalsIgnoreCase(name)) {
                logger.log(name + ": " + headers.value(i));
            }
        }
        if (!logBody || !hasRequestBody) {
            logger.log("--> END " + request.method());
        } else if (bodyEncoded(request.headers())) {
            logger.log("--> END " + request.method() + " (encoded body omitted)");
        } else {
            Buffer buffer = new Buffer();
            requestBody.writeTo(buffer);
            Charset charset = UTF8;
            MediaType contentType = requestBody.contentType();
            if (contentType != null) {
                charset = contentType.charset(UTF8);
            }
            logger.log("");
            if (isPlaintext(buffer)) {
                logger.log(buffer.readString(charset));
                logger.log("--> END " + request.method() + " (" + requestBody.contentLength() + "-byte body)");
            } else {
                logger.log("--> END " + request.method() + " (binary " + requestBody.contentLength() + "-byte body omitted)");
            }
        }
    }
    long startNs = System.nanoTime();
    Response response;
    try {
        response = chain.proceed(request);
    } catch (Exception e) {
        logger.log("<-- HTTP FAILED: " + e);
        throw e;
    }
    long tookMs = TimeUnit.NANOSECONDS.toMillis(System.nanoTime() - startNs);
    ResponseBody responseBody = response.body();
    long contentLength = responseBody.contentLength();
    String bodySize = contentLength != -1 ? contentLength + "-byte" : "unknown-length";
    logger.log("<-- " + response.code() + ' ' + response.message() + ' ' + response.request().url() + " (" + tookMs + "ms" + (!logHeaders ? ", " + bodySize + " body" : "") + ')');
    if (logHeaders) {
        Headers headers = response.headers();
        for (int i = 0, count = headers.size(); i < count; i++) {
            logger.log(headers.name(i) + ": " + headers.value(i));
        }
        if (!logBody || !HttpHeaders.hasBody(response)) {
            logger.log("<-- END HTTP");
        } else if (bodyEncoded(response.headers())) {
            logger.log("<-- END HTTP (encoded body omitted)");
        } else {
            BufferedSource source = responseBody.source();
            // Buffer the entire body.
            source.request(Long.MAX_VALUE);
            Buffer buffer = source.buffer();
            Charset charset = UTF8;
            MediaType contentType = responseBody.contentType();
            if (contentType != null) {
                charset = contentType.charset(UTF8);
            }
            if (!isPlaintext(buffer)) {
                logger.log("");
                logger.log("<-- END HTTP (binary " + buffer.size() + "-byte body omitted)");
                return response;
            }
            if (contentLength != 0) {
                logger.log("");
                logger.log(buffer.clone().readString(charset));
            }
            logger.log("<-- END HTTP (" + buffer.size() + "-byte body)");
        }
    }
    return response;
}

Example 3 with Connection

use of ch.ethz.ssh2.Connection in project okhttp by square.

the class RetryAndFollowUpInterceptor method followUpRequest.

/**
   * Figures out the HTTP request to make in response to receiving {@code userResponse}. This will
   * either add authentication headers, follow redirects or handle a client request timeout. If a
   * follow-up is either unnecessary or not applicable, this returns null.
   */
private Request followUpRequest(Response userResponse) throws IOException {
    if (userResponse == null)
        throw new IllegalStateException();
    Connection connection = streamAllocation.connection();
    Route route = connection != null ? connection.route() : null;
    int responseCode = userResponse.code();
    final String method = userResponse.request().method();
    switch(responseCode) {
        case HTTP_PROXY_AUTH:
            Proxy selectedProxy = route != null ? route.proxy() : client.proxy();
            if (selectedProxy.type() != Proxy.Type.HTTP) {
                throw new ProtocolException("Received HTTP_PROXY_AUTH (407) code while not using proxy");
            }
            return client.proxyAuthenticator().authenticate(route, userResponse);
        case HTTP_UNAUTHORIZED:
            return client.authenticator().authenticate(route, userResponse);
        case HTTP_PERM_REDIRECT:
        case HTTP_TEMP_REDIRECT:
            // or HEAD, the user agent MUST NOT automatically redirect the request"
            if (!method.equals("GET") && !method.equals("HEAD")) {
                return null;
            }
        // fall-through
        case HTTP_MULT_CHOICE:
        case HTTP_MOVED_PERM:
        case HTTP_MOVED_TEMP:
        case HTTP_SEE_OTHER:
            // Does the client allow redirects?
            if (!client.followRedirects())
                return null;
            String location = userResponse.header("Location");
            if (location == null)
                return null;
            HttpUrl url = userResponse.request().url().resolve(location);
            // Don't follow redirects to unsupported protocols.
            if (url == null)
                return null;
            // If configured, don't follow redirects between SSL and non-SSL.
            boolean sameScheme = url.scheme().equals(userResponse.request().url().scheme());
            if (!sameScheme && !client.followSslRedirects())
                return null;
            // Most redirects don't include a request body.
            Request.Builder requestBuilder = userResponse.request().newBuilder();
            if (HttpMethod.permitsRequestBody(method)) {
                final boolean maintainBody = HttpMethod.redirectsWithBody(method);
                if (HttpMethod.redirectsToGet(method)) {
                    requestBuilder.method("GET", null);
                } else {
                    RequestBody requestBody = maintainBody ? userResponse.request().body() : null;
                    requestBuilder.method(method, requestBody);
                }
                if (!maintainBody) {
                    requestBuilder.removeHeader("Transfer-Encoding");
                    requestBuilder.removeHeader("Content-Length");
                    requestBuilder.removeHeader("Content-Type");
                }
            }
            // way to retain them.
            if (!sameConnection(userResponse, url)) {
                requestBuilder.removeHeader("Authorization");
            }
            return requestBuilder.url(url).build();
        case HTTP_CLIENT_TIMEOUT:
            // repeat the request (even non-idempotent ones.)
            if (userResponse.request().body() instanceof UnrepeatableRequestBody) {
                return null;
            }
            return userResponse.request();
        default:
            return null;
    }
}

Example 4 with Connection

use of ch.ethz.ssh2.Connection in project CloudStack-archive by CloudStack-extras.

the class StressTestDirectAttach method sshTest.

private static String sshTest(String host, String password) {
    int i = 0;
    if (host == null) {
        s_logger.info("Did not receive a host back from test, ignoring ssh test");
        return null;
    }
    if (password == null) {
        s_logger.info("Did not receive a password back from test, ignoring ssh test");
        return null;
    }
    // We will retry 5 times before quitting
    String result = null;
    int retry = 0;
    while (true) {
        try {
            if (retry > 0) {
                s_logger.info("Retry attempt : " + retry + " ...sleeping 120 seconds before next attempt. Account is " + _account.get());
                Thread.sleep(120000);
            }
            s_logger.info("Attempting to SSH into linux host " + host + " with retry attempt: " + retry + ". Account is " + _account.get());
            Connection conn = new Connection(host);
            conn.connect(null, 60000, 60000);
            s_logger.info("User + " + _account.get() + " ssHed successfully into linux host " + host);
            boolean isAuthenticated = conn.authenticateWithPassword("root", password);
            if (isAuthenticated == false) {
                s_logger.info("Authentication failed for root with password" + password);
                return "Authentication failed";
            }
            boolean success = false;
            String linuxCommand = null;
            if (i % 10 == 0)
                linuxCommand = "rm -rf *; wget http://192.168.1.250/dump.bin && ls -al dump.bin";
            else
                linuxCommand = "wget http://192.168.1.250/dump.bin && ls -al dump.bin";
            Session sess = conn.openSession();
            s_logger.info("User " + _account.get() + " executing : " + linuxCommand);
            sess.execCommand(linuxCommand);
            InputStream stdout = sess.getStdout();
            InputStream stderr = sess.getStderr();
            byte[] buffer = new byte[8192];
            while (true) {
                if ((stdout.available() == 0) && (stderr.available() == 0)) {
                    int conditions = sess.waitForCondition(ChannelCondition.STDOUT_DATA | ChannelCondition.STDERR_DATA | ChannelCondition.EOF, 120000);
                    if ((conditions & ChannelCondition.TIMEOUT) != 0) {
                        s_logger.info("Timeout while waiting for data from peer.");
                        return null;
                    }
                    if ((conditions & ChannelCondition.EOF) != 0) {
                        if ((conditions & (ChannelCondition.STDOUT_DATA | ChannelCondition.STDERR_DATA)) == 0) {
                            break;
                        }
                    }
                }
                while (stdout.available() > 0) {
                    success = true;
                    int len = stdout.read(buffer);
                    if (// this check is somewhat paranoid
                    len > 0)
                        s_logger.info(new String(buffer, 0, len));
                }
                while (stderr.available() > 0) {
                    /* int len = */
                    stderr.read(buffer);
                }
            }
            sess.close();
            conn.close();
            if (!success) {
                retry++;
                if (retry == MAX_RETRY_LINUX) {
                    result = "SSH Linux Network test fail";
                }
            }
            return result;
        } catch (Exception e) {
            retry++;
            s_logger.error("SSH Linux Network test fail with error");
            if (retry == MAX_RETRY_LINUX) {
                return "SSH Linux Network test fail with error " + e.getMessage();
            }
        }
        i++;
    }
}

Example 5 with Connection

use of ch.ethz.ssh2.Connection in project CloudStack-archive by CloudStack-extras.

the class TestClient method sshTest.

private static String sshTest(String host) {
    if (host == null) {
        s_logger.info("Did not receive a host back from test, ignoring ssh test");
        return null;
    }
    // We will retry 5 times before quitting
    int retry = 0;
    while (true) {
        try {
            if (retry > 0) {
                s_logger.info("Retry attempt : " + retry + " ...sleeping 120 seconds before next attempt");
                Thread.sleep(120000);
            }
            s_logger.info("Attempting to SSH into linux host " + host + " with retry attempt: " + retry);
            Connection conn = new Connection(host);
            conn.connect(null, 60000, 60000);
            s_logger.info("SSHed successfully into linux host " + host);
            boolean isAuthenticated = conn.authenticateWithPassword("root", "password");
            if (isAuthenticated == false) {
                return "Authentication failed";
            }
            boolean success = false;
            Session sess = conn.openSession();
            s_logger.info("Executing : wget http://172.16.0.220/dump.bin");
            sess.execCommand("wget http://172.16.0.220/dump.bin && ls -al dump.bin");
            InputStream stdout = sess.getStdout();
            InputStream stderr = sess.getStderr();
            byte[] buffer = new byte[8192];
            while (true) {
                if ((stdout.available() == 0) && (stderr.available() == 0)) {
                    int conditions = sess.waitForCondition(ChannelCondition.STDOUT_DATA | ChannelCondition.STDERR_DATA | ChannelCondition.EOF, 120000);
                    if ((conditions & ChannelCondition.TIMEOUT) != 0) {
                        s_logger.info("Timeout while waiting for data from peer.");
                        return null;
                    }
                    if ((conditions & ChannelCondition.EOF) != 0) {
                        if ((conditions & (ChannelCondition.STDOUT_DATA | ChannelCondition.STDERR_DATA)) == 0) {
                            break;
                        }
                    }
                }
                while (stdout.available() > 0) {
                    success = true;
                    int len = stdout.read(buffer);
                    if (// this check is somewhat paranoid
                    len > 0)
                        s_logger.info(new String(buffer, 0, len));
                }
                while (stderr.available() > 0) {
                    int len = stderr.read(buffer);
                }
            }
            sess.close();
            conn.close();
            if (success) {
                return null;
            } else {
                retry++;
                if (retry == MAX_RETRY_LINUX) {
                    return "SSH Linux Network test fail";
                }
            }
        } catch (Exception e) {
            retry++;
            if (retry == MAX_RETRY_LINUX) {
                return "SSH Linux Network test fail with error " + e.getMessage();
            }
        }
    }
}