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/*
* The MIT License (MIT)
*
* Copyright (c) 2016-2017 Bertrand Martel
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package fr.bmartel.speedtest.utils;
import fr.bmartel.protocol.http.HttpFrame;
import fr.bmartel.protocol.http.states.HttpStates;
import fr.bmartel.speedtest.SpeedTestConst;
import fr.bmartel.speedtest.inter.ISpeedTestListener;
import fr.bmartel.speedtest.inter.ISpeedTestSocket;
import fr.bmartel.speedtest.model.SpeedTestError;
import fr.bmartel.speedtest.model.UploadStorageType;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.math.BigInteger;
import java.security.SecureRandom;
import java.util.Arrays;
import java.util.List;
/**
* Speed Test utility functions.
*
* @author Bertrand Martel
*/
public class SpeedTestUtils {
/**
* random number.
*/
private static SecureRandom random = new SecureRandom();
/**
* Generate a random file name for file FTP upload.
*
* @return random file name
*/
public static String generateFileName() {
return new BigInteger(130, random).toString(32);
}
/**
* dispatch error listener according to errors.
*
* @param forceCloseSocket define if interruption callback must be called
* @param listenerList list of speed test listeners
* @param errorMessage error message from Exception
*/
public static void dispatchError(final ISpeedTestSocket speedTestSocket,
final boolean forceCloseSocket,
final List listenerList,
final String errorMessage) {
if (!forceCloseSocket) {
for (int i = 0; i < listenerList.size(); i++) {
listenerList.get(i).onError(SpeedTestError.CONNECTION_ERROR, errorMessage);
}
} else {
for (int i = 0; i < listenerList.size(); i++) {
listenerList.get(i).onCompletion(speedTestSocket.getLiveReport());
}
}
}
public static void dispatchError(
final ISpeedTestSocket speedTestSocket,
final boolean forceCloseSocket,
final List listenerList,
final SpeedTestError error,
final String errorMessage) {
if (!forceCloseSocket) {
for (int i = 0; i < listenerList.size(); i++) {
listenerList.get(i).onError(error, errorMessage);
}
} else {
for (int i = 0; i < listenerList.size(); i++) {
listenerList.get(i).onCompletion(speedTestSocket.getLiveReport());
}
}
}
/**
* Read data from RAM of FILE storage for upload task.
*
* @param storageType RAM or FILE storage
* @param body full upload body for RAM storage case
* @param uploadFile file pointer to upload for FILE storage case
* @param uploadTempFileSize temporary file size (offset)
* @param chunkSize chunk size to read
* @return byte array to flush
*/
public static byte[] readUploadData(final UploadStorageType storageType,
final byte[] body,
final RandomAccessFile uploadFile,
final int uploadTempFileSize,
final int chunkSize) throws IOException {
byte[] data;
if (storageType == UploadStorageType.RAM_STORAGE) {
data = Arrays.copyOfRange(body, uploadTempFileSize,
uploadTempFileSize + chunkSize);
} else {
data = new byte[chunkSize];
uploadFile.seek(uploadTempFileSize);
uploadFile.read(data);
}
return data;
}
/**
* dispatch socket timeout error.
*
* @param forceCloseSocket define if interruption callback must be called
* @param listenerList list of speed test listeners
* @param errorMessage error message
*/
public static void dispatchSocketTimeout(final boolean forceCloseSocket,
final List listenerList,
final String errorMessage) {
if (!forceCloseSocket) {
for (int i = 0; i < listenerList.size(); i++) {
listenerList.get(i).onError(SpeedTestError.SOCKET_TIMEOUT, errorMessage);
}
}
}
/**
* check for http uri error.
*
* @param forceCloseSocket define if interruption callback must be called
* @param listenerList list of speed test listeners
* @param httFrameState http frame state to check
*/
public static void checkHttpFrameError(
final boolean forceCloseSocket,
final List listenerList,
final HttpStates httFrameState) {
if (httFrameState != HttpStates.HTTP_FRAME_OK && !forceCloseSocket) {
for (int i = 0; i < listenerList.size(); i++) {
listenerList.get(i).onError(SpeedTestError.INVALID_HTTP_RESPONSE,
SpeedTestConst.PARSING_ERROR +
"http frame");
}
}
}
/**
* check for http header error.
*
* @param forceCloseSocket define if interruption callback must be called
* @param listenerList list of speed test listeners
* @param httpHeaderState http frame state to check
*/
public static void checkHttpHeaderError(
final boolean forceCloseSocket,
final List listenerList,
final HttpStates httpHeaderState) {
if (httpHeaderState != HttpStates.HTTP_FRAME_OK && !forceCloseSocket) {
for (int i = 0; i < listenerList.size(); i++) {
listenerList.get(i).onError(SpeedTestError.INVALID_HTTP_RESPONSE,
SpeedTestConst.PARSING_ERROR +
"http headers");
}
}
}
/**
* check for http content length error.
*
* @param forceCloseSocket define if interruption callback must be called
* @param listenerList list of speed test listeners
* @param httpFrame http frame state to check
*/
public static void checkHttpContentLengthError(
final boolean forceCloseSocket,
final List listenerList,
final HttpFrame httpFrame) {
if (httpFrame.getContentLength() <= 0 && !forceCloseSocket) {
for (int i = 0; i < listenerList.size(); i++) {
listenerList.get(i).onError(SpeedTestError.INVALID_HTTP_RESPONSE, "Error content length " +
"is inconsistent");
}
}
}
}
