Ref: remove duplicate handle code

src/main/java/com/sheepit/client/Client.java

@@ -41,25 +41,21 @@ import java.util.Timer;
 import java.util.TimerTask;
 import java.util.concurrent.ArrayBlockingQueue;
 import java.util.concurrent.BlockingQueue;
-import java.util.concurrent.ThreadLocalRandom;
 import java.util.stream.Collectors;
 
 import com.sheepit.client.Error.ServerCode;
 import com.sheepit.client.Error.Type;
 import com.sheepit.client.datamodel.Chunk;
 import com.sheepit.client.exception.SheepItException;
-import com.sheepit.client.exception.SheepItExceptionBadResponseFromServer;
 import com.sheepit.client.exception.SheepItExceptionNoRendererAvailable;
 import com.sheepit.client.exception.SheepItExceptionNoRightToRender;
 import com.sheepit.client.exception.SheepItExceptionNoSession;
 import com.sheepit.client.exception.SheepItExceptionNoSpaceLeftOnDevice;
 import com.sheepit.client.exception.SheepItExceptionPathInvalid;
 import com.sheepit.client.exception.SheepItExceptionNoWritePermission;
-import com.sheepit.client.exception.SheepItExceptionServerInMaintenance;
-import com.sheepit.client.exception.SheepItExceptionServerOverloaded;
 import com.sheepit.client.exception.SheepItExceptionSessionDisabled;
 import com.sheepit.client.exception.SheepItExceptionSessionDisabledDenoisingNotSupported;
-import com.sheepit.client.exception.SheepItServerDown;
+import com.sheepit.client.exception.SheepItExceptionWithRequiredWait;
 import com.sheepit.client.hardware.cpu.CPU;
 import com.sheepit.client.os.OS;
 
@@ -267,11 +263,15 @@ import okhttp3.HttpUrl;
 							}
 						}
 					}
-					catch (SheepItServerDown e) {
+					catch (SheepItExceptionWithRequiredWait e) {
-						int wait = ThreadLocalRandom.current().nextInt(10, 30 + 1); // max is exclusive
+						// exception example:
-						int time_sleep = 1000 * 60 * wait;
+						// SheepItExceptionServerInMaintenance
-						this.gui.status(String.format("Cannot connect to the server. Please check your connectivity. Will try again at %tR",
+						// SheepItExceptionServerOverloaded
-								new Date(new Date().getTime() + time_sleep)));
+						// SheepItServerDown
+						// SheepItExceptionBadResponseFromServer
+						
+						int time_sleep = e.getWaitDuration();
+						this.gui.status(String.format(e.getHumanText(), new Date(new Date().getTime() + time_sleep)));
 						
 						if (this.activeSleep(time_sleep) == false) {
 							return -3;
@@ -279,43 +279,6 @@ import okhttp3.HttpUrl;
 						this.log.removeCheckPoint(step);
 						continue; // go back to ask job
 					}
-					catch (SheepItExceptionServerOverloaded e) {
-						int wait = ThreadLocalRandom.current().nextInt(10, 30 + 1); // max is exclusive
-						int time_sleep = 1000 * 60 * wait;
-						this.gui.status(String.format("The server is overloaded and cannot allocate a job. Will try again at %tR",
-								new Date(new Date().getTime() + time_sleep)));
-						
-						if (this.activeSleep(time_sleep) == false) {
-							return -3;
-						}
-						
-						this.log.removeCheckPoint(step);
-						continue; // go back to ask job
-					}
-					catch (SheepItExceptionServerInMaintenance e) {
-						int wait = ThreadLocalRandom.current().nextInt(20, 30 + 1); // max is exclusive
-						int time_sleep = 1000 * 60 * wait;
-						this.gui.status(String.format("The server is under maintenance and cannot allocate a job. Will try again at %tR",
-								new Date(new Date().getTime() + time_sleep)));
-						
-						if (this.activeSleep(time_sleep) == false) {
-							return -3;
-						}
-						this.log.removeCheckPoint(step);
-						continue; // go back to ask job
-					}
-					catch (SheepItExceptionBadResponseFromServer e) {
-						int wait = ThreadLocalRandom.current().nextInt(15, 30 + 1); // max is exclusive
-						int time_sleep = 1000 * 60 * wait;
-						this.gui.status(String.format("Bad answer from the server. Will try again at %tR", new Date(new Date().getTime() + time_sleep)));
-						
-						if (this.activeSleep(time_sleep) == false) {
-							return -3;
-						}
-						
-						this.log.removeCheckPoint(step);
-						continue; // go back to ask job
-					}
 					catch (SheepItException e) {
 						this.gui.error("Client::run exception requestJob (1) " + e.getMessage());
 						StringWriter sw = new StringWriter();

src/main/java/com/sheepit/client/exception/SheepItExceptionBadResponseFromServer.java

@@ -19,7 +19,9 @@
 
 package com.sheepit.client.exception;
 
-public class SheepItExceptionBadResponseFromServer extends SheepItException {
+import java.util.concurrent.ThreadLocalRandom;
+
+public class SheepItExceptionBadResponseFromServer extends SheepItExceptionWithRequiredWait {
 	public SheepItExceptionBadResponseFromServer() {
 		super();
 	}
@@ -27,4 +29,12 @@ public class SheepItExceptionBadResponseFromServer extends SheepItException {
 	public SheepItExceptionBadResponseFromServer(String message_) {
 		super(message_);
 	}
+	
+	public String getHumanText() {
+		return "Bad answer from the server. Will try again at %tR";
+	}
+	
+	public int getWaitDuration() {
+		return 1000 * 60 * ThreadLocalRandom.current().nextInt(15, 30 + 1);
+	}
 }

src/main/java/com/sheepit/client/exception/SheepItExceptionServerInMaintenance.java

@@ -19,7 +19,9 @@
 
 package com.sheepit.client.exception;
 
-public class SheepItExceptionServerInMaintenance extends SheepItException {
+import java.util.concurrent.ThreadLocalRandom;
+
+public class SheepItExceptionServerInMaintenance extends SheepItExceptionWithRequiredWait {
 	public SheepItExceptionServerInMaintenance() {
 		super();
 	}
@@ -27,4 +29,12 @@ public class SheepItExceptionServerInMaintenance extends SheepItException {
 	public SheepItExceptionServerInMaintenance(String message_) {
 		super(message_);
 	}
+	
+	public String getHumanText() {
+		return "The server is under maintenance and cannot allocate a job. Will try again at %tR";
+	}
+	
+	public int getWaitDuration() {
+		return 1000 * 60 * ThreadLocalRandom.current().nextInt(20, 30 + 1);
+	}
 }

src/main/java/com/sheepit/client/exception/SheepItExceptionServerOverloaded.java

@@ -19,7 +19,9 @@
 
 package com.sheepit.client.exception;
 
-public class SheepItExceptionServerOverloaded extends SheepItException {
+import java.util.concurrent.ThreadLocalRandom;
+
+public class SheepItExceptionServerOverloaded extends SheepItExceptionWithRequiredWait {
 	public SheepItExceptionServerOverloaded() {
 		super();
 	}
@@ -27,4 +29,12 @@ public class SheepItExceptionServerOverloaded extends SheepItException {
 	public SheepItExceptionServerOverloaded(String message_) {
 		super(message_);
 	}
+	
+	public String getHumanText() {
+		return "The server is overloaded and cannot allocate a job. Will try again at %tR";
+	}
+	
+	public int getWaitDuration() {
+		return 1000 * 60 * ThreadLocalRandom.current().nextInt(10, 30 + 1);
+	}
 }

src/main/java/com/sheepit/client/exception/SheepItExceptionWithRequiredWait.java

@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2023 Laurent CLOUET
+ * Author Laurent CLOUET <laurent.clouet@nopnop.net>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; version 2
+ * of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+package com.sheepit.client.exception;
+
+/**
+ * When a request to the server generate this exception.
+ * The client must wait a bit before retrying.
+ */
+public class SheepItExceptionWithRequiredWait extends SheepItException {
+	public SheepItExceptionWithRequiredWait() {
+		super();
+	}
+	
+	public SheepItExceptionWithRequiredWait(String message_) {
+		super(message_);
+	}
+	
+	public String getHumanText() {
+		return "Please wait a bit";
+	}
+	
+	/** how much time, it needs to wait
+	 *
+	 * @return duration in ms
+	 */
+	public int getWaitDuration() {
+		return 0;
+	}
+}

src/main/java/com/sheepit/client/exception/SheepItServerDown.java

@@ -19,10 +19,12 @@
 
 package com.sheepit.client.exception;
 
+import java.util.concurrent.ThreadLocalRandom;
+
 /**
  * Server down (server side error) or unreachable (client side error)
  */
-public class SheepItServerDown extends SheepItException {
+public class SheepItServerDown extends SheepItExceptionWithRequiredWait {
 	public SheepItServerDown() {
 		super();
 	}
@@ -30,4 +32,12 @@ public class SheepItServerDown extends SheepItException {
 	public SheepItServerDown(String message_) {
 		super(message_);
 	}
+	
+	public String getHumanText() {
+		return "Cannot connect to the server. Please check your connectivity. Will try again at %tR";
+	}
+	
+	public int getWaitDuration() {
+		return 1000 * 60 * ThreadLocalRandom.current().nextInt(10, 30 + 1);
+	}
 }