Detect when computer is runnout of free space on hard drive

src/com/sheepit/client/Client.java

@@ -35,6 +35,7 @@ import com.sheepit.client.Error.Type;
 import com.sheepit.client.exception.FermeException;
 import com.sheepit.client.exception.FermeExceptionNoRightToRender;
 import com.sheepit.client.exception.FermeExceptionNoSession;
+import com.sheepit.client.exception.FermeExceptionNoSpaceLeftOnDevice;
 import com.sheepit.client.exception.FermeExceptionServerInMaintenance;
 import com.sheepit.client.exception.FermeExceptionServerOverloaded;
 import com.sheepit.client.exception.FermeExceptionSessionDisabled;
@@ -284,6 +285,15 @@ public class Client {
 					continue;
 				}
 				
+				if (ret == Error.Type.NO_SPACE_LEFT_ON_DEVICE) {
+					Job frame_to_reset = this.renderingJob; // copy it because the sendError will take ~5min to execute
+					this.renderingJob = null;
+					this.gui.error(Error.humanString(ret));
+					this.sendError(step, frame_to_reset, ret);
+					this.log.removeCheckPoint(step);
+					return -50;
+				}
+				
 				if (ret != Error.Type.OK) {
 					Job frame_to_reset = this.renderingJob; // copy it because the sendError will take ~5min to execute
 					this.renderingJob = null;
@@ -522,22 +532,27 @@ public class Client {
 	public Error.Type work(Job ajob) {
 		int ret;
 		
-		ret = this.downloadExecutable(ajob);
-		if (ret != 0) {
-			this.log.error("Client::work problem with downloadExecutable (ret " + ret + ")");
-			return Error.Type.DOWNLOAD_FILE;
+		try {
+			ret = this.downloadExecutable(ajob);
+			if (ret != 0) {
+				this.log.error("Client::work problem with downloadExecutable (ret " + ret + ")");
+				return Error.Type.DOWNLOAD_FILE;
+			}
+			
+			ret = this.downloadSceneFile(ajob);
+			if (ret != 0) {
+				this.log.error("Client::work problem with downloadSceneFile (ret " + ret + ")");
+				return Error.Type.DOWNLOAD_FILE;
+			}
+			
+			ret = this.prepareWorkingDirectory(ajob); // decompress renderer and scene archives
+			if (ret != 0) {
+				this.log.error("Client::work problem with this.prepareWorkingDirectory (ret " + ret + ")");
+				return Error.Type.CAN_NOT_CREATE_DIRECTORY;
+			}
 		}
-		
-		ret = this.downloadSceneFile(ajob);
-		if (ret != 0) {
-			this.log.error("Client::work problem with downloadSceneFile (ret " + ret + ")");
-			return Error.Type.DOWNLOAD_FILE;
-		}
-		
-		ret = this.prepareWorkingDirectory(ajob); // decompress renderer and scene archives
-		if (ret != 0) {
-			this.log.error("Client::work problem with this.prepareWorkingDirectory (ret " + ret + ")");
-			return Error.Type.CAN_NOT_CREATE_DIRECTORY;
+		catch (FermeExceptionNoSpaceLeftOnDevice e) {
+			return Error.Type.NO_SPACE_LEFT_ON_DEVICE;
 		}
 		
 		File scene_file = new File(ajob.getScenePath());
@@ -631,7 +646,7 @@ public class Client {
 		return true;
 	}
 	
-	protected int prepareWorkingDirectory(Job ajob) {
+	protected int prepareWorkingDirectory(Job ajob) throws FermeExceptionNoSpaceLeftOnDevice {
 		int ret;
 		String renderer_archive = ajob.getRendererArchivePath();
 		String renderer_path = ajob.getRendererDirectory();

src/com/sheepit/client/Error.java

@@ -44,7 +44,10 @@ public class Error {
 		FAILED_TO_EXECUTE(16),
 		OS_NOT_SUPPORTED(17),
 		CPU_NOT_SUPPORTED(18),
-		GPU_NOT_SUPPORTED(19);
+		GPU_NOT_SUPPORTED(19),
+		
+		NO_SPACE_LEFT_ON_DEVICE(100),
+		;
 		
 		private final int id;
 		
@@ -166,6 +169,8 @@ public class Error {
 				return "Operating System not supported.";
 			case CPU_NOT_SUPPORTED:
 				return "CPU not supported.";
+			case NO_SPACE_LEFT_ON_DEVICE:
+				return "No space left on hard disk";
 			default:
 				return in.toString();
 		}

src/com/sheepit/client/Utils.java

@@ -44,9 +44,10 @@ import org.w3c.dom.Element;
 import org.w3c.dom.NodeList;
 
 import com.sheepit.client.Error.ServerCode;
+import com.sheepit.client.exception.FermeExceptionNoSpaceLeftOnDevice;
 
 public class Utils {
-	public static int unzipFileIntoDirectory(String zipFileName_, String jiniHomeParentDirName_) {
+	public static int unzipFileIntoDirectory(String zipFileName_, String jiniHomeParentDirName_) throws FermeExceptionNoSpaceLeftOnDevice {
 		File rootdir = new File(jiniHomeParentDirName_);
 		try {
 			ZipInputStream zis = new ZipInputStream(new FileInputStream(zipFileName_));
@@ -78,6 +79,15 @@ public class Utils {
 					}
 					fos.close();
 				}
+				catch (IOException e) {
+					File f = new File(jiniHomeParentDirName_);
+					if (f.getUsableSpace() == 0) {
+						throw new FermeExceptionNoSpaceLeftOnDevice();
+					}
+					Log logger = Log.getInstance(null); // might not print the log since the config is null
+					logger.error("Utils::unzipFileIntoDirectory(" + zipFileName_ + "," + jiniHomeParentDirName_ + ") exception " + e);
+					return -3;
+				}
 				catch (Exception e1) {
 					e1.printStackTrace();
 				}
@@ -91,6 +101,9 @@ public class Utils {
 				zis.closeEntry();
 			}
 		}
+		catch (FermeExceptionNoSpaceLeftOnDevice e) {
+			throw e;
+		}
 		catch (IllegalArgumentException e) {
 			Log logger = Log.getInstance(null); // might not print the log since the config is null
 			logger.error("Utils::unzipFileIntoDirectory(" + zipFileName_ + "," + jiniHomeParentDirName_ + ") exception " + e);

src/com/sheepit/client/exception/FermeExceptionNoSpaceLeftOnDevice.java

@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2016 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;
+
+public class FermeExceptionNoSpaceLeftOnDevice extends FermeException {
+	public FermeExceptionNoSpaceLeftOnDevice() {
+		super();
+	}
+	
+	public FermeExceptionNoSpaceLeftOnDevice(String message_) {
+		super(message_);
+	}
+}