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@ -80,67 +80,10 @@ public class ServerManagementUDP implements Runnable {
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Payload p = pd.getPayload();
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switch (p.getRequestResponseCode()) {
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case LOAD_REQUEST:
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logger.writeUDP("Received LOAD_REQUEST", LogLevel.Action);
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assert p instanceof LoadRequest : "payload must be an instance of LoadRequest";
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if (!(p instanceof LoadRequest)) {
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sendInternalError(pd);
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} else {
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String filename = ((LoadRequest)p).getFilename();
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long offset = ((LoadRequest)p).getOffset();
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long maxSizePartialContent = ((LoadRequest)p).getMaxSizePartialContent();
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try {
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byte[] fullLoad = Files.readAllBytes(Paths.get(baseDirectory + filename));
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long sizeToSend = 0;
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if (fullLoad.length - offset < maxSizePartialContent) {
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logger.writeUDP("Sending last partialContent", LogLevel.Debug);
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sizeToSend = fullLoad.length - offset;
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} else {
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sizeToSend = maxSizePartialContent;
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}
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logger.writeUDP("maxSizePartialContent: " + maxSizePartialContent, LogLevel.Debug);
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logger.writeUDP("Sending " + filename + " from " + offset + " to " + (offset + sizeToSend), LogLevel.Debug);
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byte[] load = Arrays.copyOfRange(fullLoad, (int)offset, (int)(offset + sizeToSend));
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if (Arrays.binarySearch(fileList, filename) >= 0) {
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try {
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if (load.length == 0) {
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pd.sendResponse((ProtocolP2PPacket)new ProtocolP2PPacketUDP(new Payload(RequestResponseCode.EMPTY_FILE)));
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} else {
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pd.sendResponse((ProtocolP2PPacket)new ProtocolP2PPacketUDP((Payload)(new FilePart(filename, fullLoad.length, offset, load))));
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}
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} catch (Exception e2) {
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logger.writeUDP(e2, LogLevel.Error);
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}
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} else {
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logger.writeUDP("File requested not found: `" + filename + "` " + Arrays.binarySearch(fileList, filename), LogLevel.Debug);
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logger.writeUDP("File list:", LogLevel.Debug);
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for (String f: fileList) {
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logger.writeUDP("- " + f, LogLevel.Debug);
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}
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throw new IOException(); // to send a NOT_FOUND in the catch block
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}
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} catch (IOException e) {
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try {
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pd.sendResponse((ProtocolP2PPacket)new ProtocolP2PPacketUDP(new Payload(RequestResponseCode.NOT_FOUND)));
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} catch (Exception e2) {
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logger.writeUDP(e2, LogLevel.Error);
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}
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}
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}
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LoadRequestManagement(logger, p, pd);
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break;
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case LIST_REQUEST:
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logger.writeUDP("Received LIST_REQUEST", LogLevel.Action);
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try {
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if (fileList.length == 0) {
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logger.writeUDP("Sending EMPTY_DIRECTORY", LogLevel.Action);
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pd.sendResponse((ProtocolP2PPacket)new ProtocolP2PPacketUDP(new Payload(RequestResponseCode.EMPTY_DIRECTORY)));
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} else {
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logger.writeUDP("Sending LIST_RESPONSE", LogLevel.Action);
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pd.sendResponse((ProtocolP2PPacket)new ProtocolP2PPacketUDP((Payload)(new FileList(fileList))));
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}
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} catch (Exception e2) {
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logger.writeUDP(e2, LogLevel.Error);
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}
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ListRequestManagement(logger, pd);
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break;
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case HASH_REQUEST:
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logger.writeUDP("Received HASH_REQUEST", LogLevel.Action);
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@ -205,6 +148,71 @@ public class ServerManagementUDP implements Runnable {
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}
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}
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public void LoadRequestManagement(Logger logger, Payload p, ProtocolP2PPacketUDP pd){
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logger.writeUDP("Received LOAD_REQUEST", LogLevel.Action);
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assert p instanceof LoadRequest : "payload must be an instance of LoadRequest";
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if (!(p instanceof LoadRequest)) {
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sendInternalError(pd);
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} else {
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String filename = ((LoadRequest)p).getFilename();
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long offset = ((LoadRequest)p).getOffset();
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long maxSizePartialContent = ((LoadRequest)p).getMaxSizePartialContent();
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try {
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byte[] fullLoad = Files.readAllBytes(Paths.get(baseDirectory + filename));
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long sizeToSend = 0;
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if (fullLoad.length - offset < maxSizePartialContent) {
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logger.writeUDP("Sending last partialContent", LogLevel.Debug);
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sizeToSend = fullLoad.length - offset;
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} else {
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sizeToSend = maxSizePartialContent;
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}
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logger.writeUDP("maxSizePartialContent: " + maxSizePartialContent, LogLevel.Debug);
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logger.writeUDP("Sending " + filename + " from " + offset + " to " + (offset + sizeToSend), LogLevel.Debug);
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byte[] load = Arrays.copyOfRange(fullLoad, (int)offset, (int)(offset + sizeToSend));
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if (Arrays.binarySearch(fileList, filename) >= 0) {
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try {
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if (load.length == 0) {
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pd.sendResponse((ProtocolP2PPacket)new ProtocolP2PPacketUDP(new Payload(RequestResponseCode.EMPTY_FILE)));
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} else {
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pd.sendResponse((ProtocolP2PPacket)new ProtocolP2PPacketUDP((Payload)(new FilePart(filename, fullLoad.length, offset, load))));
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}
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} catch (Exception e2) {
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logger.writeUDP(e2, LogLevel.Error);
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}
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} else {
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logger.writeUDP("File requested not found: `" + filename + "` " + Arrays.binarySearch(fileList, filename), LogLevel.Debug);
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logger.writeUDP("File list:", LogLevel.Debug);
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for (String f: fileList) {
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logger.writeUDP("- " + f, LogLevel.Debug);
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}
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throw new IOException(); // to send a NOT_FOUND in the catch block
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}
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} catch (IOException e) {
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try {
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pd.sendResponse((ProtocolP2PPacket)new ProtocolP2PPacketUDP(new Payload(RequestResponseCode.NOT_FOUND)));
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} catch (Exception e2) {
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logger.writeUDP(e2, LogLevel.Error);
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}
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}
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}
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}
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public void ListRequestManagement(Logger logger, ProtocolP2PPacketUDP pd){
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logger.writeUDP("Received LIST_REQUEST", LogLevel.Action);
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try {
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if (fileList.length == 0) {
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logger.writeUDP("Sending EMPTY_DIRECTORY", LogLevel.Action);
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pd.sendResponse((ProtocolP2PPacket)new ProtocolP2PPacketUDP(new Payload(RequestResponseCode.EMPTY_DIRECTORY)));
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} else {
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logger.writeUDP("Sending LIST_RESPONSE", LogLevel.Action);
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pd.sendResponse((ProtocolP2PPacket)new ProtocolP2PPacketUDP((Payload)(new FileList(fileList))));
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}
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} catch (Exception e2) {
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logger.writeUDP(e2, LogLevel.Error);
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}
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}
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/** Send hash response to hash request
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* @param pd Request received
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*/
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