Revision 2
Updated some classes
| FolderManager.java | ||
|---|---|---|
| 38 | 38 |
File file = new File(name); |
| 39 | 39 |
file.mkdirs(); |
| 40 | 40 |
} |
| 41 |
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| 42 |
public static ArrayList<Chunk> loadChunks(String path, int chunksNumber) throws IOException {
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| 43 |
ArrayList<Chunk> chunks = new ArrayList<>(); |
|
| 41 | 44 |
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| 45 |
for (int i = 0; i <= chunksNumber; i++) {
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| 46 |
byte[] information = loadFile(new File(path + "/" + i)); |
|
| 47 |
Chunk chunk = new Chunk("", i, 1, information);
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| 48 |
chunks.add(chunk); |
|
| 49 |
} |
|
| 50 |
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| 51 |
return chunks; |
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| 52 |
} |
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| 53 |
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| 42 | 54 |
synchronized public static boolean backupFile(String name, String path, byte[] information) throws IOException {
|
| 43 | 55 |
if (getFreeMemory() < information.length) {
|
| 44 | 56 |
System.out.println("Without space to backup file");
|
| ... | ... | |
| 65 | 77 |
return information; |
| 66 | 78 |
} |
| 67 | 79 |
|
| 68 |
public static ArrayList<Chunk> loadChunks(String path, int chunksNumber) throws IOException {
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| 69 |
ArrayList<Chunk> chunks = new ArrayList<>(); |
|
| 70 |
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| 71 |
for (int i = 0; i <= chunksNumber; i++) {
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| 72 |
byte[] information = loadFile(new File(path + "/" + i)); |
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| 73 |
Chunk chunk = new Chunk("", i, 1, information);
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| 74 |
chunks.add(chunk); |
|
| 75 |
} |
|
| 76 |
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| 77 |
return chunks; |
|
| 78 |
} |
|
| 79 |
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| 80 | 80 |
public static ArrayList<Chunk> fileSplit(byte[] fileInformation, String fileID, int replication) {
|
| 81 | 81 |
ArrayList<Chunk> chunks; |
| 82 | 82 |
int numChunks; |
| ... | ... | |
| 110 | 110 |
} |
| 111 | 111 |
|
| 112 | 112 |
|
| 113 |
public String getChunkPath(String fileID, int chunkNo) {
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| 114 |
return getChunksPath() + fileID + "/" + chunkNo; |
|
| 115 |
} |
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| 116 |
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| 117 | 113 |
public byte[] loadChunk(String fileID, int chunkNo) {
|
| 118 | 114 |
byte[] chunkinformation = null; |
| 119 | 115 |
String chunkPath = getChunksPath() + fileID + "/" + chunkNo; |
| ... | ... | |
| 127 | 123 |
return chunkinformation; |
| 128 | 124 |
} |
| 129 | 125 |
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| 130 |
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| 131 |
public String getRootPath() {
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| 132 |
return path; |
|
| 133 |
} |
|
| 134 |
|
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| 135 |
public String getChunksPath() {
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| 136 |
return path + Utils.CHUNKS; |
|
| 137 |
} |
|
| 138 |
|
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| 139 |
public String getRestoresPath() {
|
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| 140 |
return path + Utils.RESTORES; |
|
| 141 |
} |
|
| 142 |
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| 143 |
public FileManager getDatabase() {
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| 144 |
return fileManager; |
|
| 145 |
} |
|
| 146 |
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| 147 | 126 |
public void deleteChunk(String fileID, int chunkNo) {
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| 148 |
String chunkPath = getChunkPath(fileID, chunkNo);
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| 127 |
String chunkPath = getChunksPath() + fileID + "/" + chunkNo;
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| 149 | 128 |
File file = new File(chunkPath); |
| 150 | 129 |
|
| 151 | 130 |
long chunkSize = file.length(); |
| ... | ... | |
| 154 | 133 |
fileManager.deleteChunk(fileID, chunkNo); |
| 155 | 134 |
} |
| 156 | 135 |
|
| 157 |
public static long getMaxMemory() {
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| 158 |
return maxMemory; |
|
| 159 |
} |
|
| 160 |
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| 161 |
public static void setMaxMemory(int maxMemory) {
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| 162 |
FolderManager.maxMemory = maxMemory; |
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} |
|
| 164 |
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| 165 |
public static long getUsedMemory() {
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return FolderManager.usedMemory; |
|
| 167 |
} |
|
| 168 |
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| 169 |
public static long getFreeMemory() {
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| 170 |
return maxMemory - usedMemory; |
|
| 171 |
} |
|
| 172 |
|
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| 173 | 136 |
private static void decUsedMemory(long n) {
|
| 174 | 137 |
usedMemory -= n; |
| 175 | 138 |
if (usedMemory < 0) {
|
| ... | ... | |
| 187 | 150 |
System.out.println("Used memory: " + usedMemory + " / " + maxMemory);
|
| 188 | 151 |
return true; |
| 189 | 152 |
} |
| 153 |
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| 154 |
// Getters and setters |
|
| 155 |
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| 156 |
public static long getMaxMemory() { return maxMemory; }
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| 157 |
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| 158 |
public static void setMaxMemory(int maxMemory) { FolderManager.maxMemory = maxMemory; }
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| 159 |
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| 160 |
public static long getUsedMemory() { return FolderManager.usedMemory; }
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| 161 |
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| 162 |
public static long getFreeMemory() { return maxMemory - usedMemory; }
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| 163 |
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| 164 |
public String getRootPath() { return path; }
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| 165 |
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| 166 |
public String getChunksPath() { return path + Utils.CHUNKS; }
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| 167 |
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| 168 |
public String getRestoresPath() { return path + Utils.RESTORES; }
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| 169 |
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| 170 |
public FileManager getDatabase() { return fileManager; }
|
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| 171 |
|
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| 172 |
public Peer getPeer() { return peer; }
|
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| 173 |
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| 174 |
public void setPeer(Peer peer) { this.peer = peer; }
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| 175 |
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| 176 |
public String getPath() { return path; }
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| 177 |
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| 178 |
public void setPath(String path) { this.path = path; }
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| 179 |
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| 180 |
public FileManager getFileManager() { return fileManager; }
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| 181 |
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| 182 |
public void setFileManager(FileManager fileManager) { this.fileManager = fileManager; }
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| 183 |
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| 184 |
public static int getChunkSizeLimit() { return chunkSizeLimit; }
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| 185 |
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| 186 |
public static void setChunkSizeLimit(int chunkSizeLimit) { FolderManager.chunkSizeLimit = chunkSizeLimit; }
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| 187 |
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| 188 |
public static void setMaxMemory(long maxMemory) { FolderManager.maxMemory = maxMemory; }
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| 189 |
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| 190 |
public static void setUsedMemory(long usedMemory) { FolderManager.usedMemory = usedMemory; }
|
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| 190 | 191 |
} |
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