protected static void generateEvidence(IndentWriter writer) {
writer.println(file_map.size() + " FMFile Reservations");
try {
writer.indent();
try {
file_map_mon.enter();
Iterator it = file_map.keySet().iterator();
while (it.hasNext()) {
String key = (String) it.next();
List owners = (List) file_map.get(key);
Iterator it2 = owners.iterator();
String str = "";
while (it2.hasNext()) {
Object[] entry = (Object[]) it2.next();
FMFileOwner owner = (FMFileOwner) entry[0];
Boolean write = (Boolean) entry[1];
String reason = (String) entry[2];
str +=
(str.length() == 0 ? "" : ", ")
+ owner.getName()
+ "["
+ (write.booleanValue() ? "write" : "read")
+ "/"
+ reason
+ "]";
}
writer.println(Debug.secretFileName(key) + " -> " + str);
}
} finally {
file_map_mon.exit();
}
FMFileManagerImpl.generateEvidence(writer);
} finally {
writer.exdent();
}
}
private void reserveFile() throws FMFileManagerException {
if (clone) {
return;
}
try {
file_map_mon.enter();
// System.out.println( "FMFile::reserveFile:" + canonical_path + "("+ owner.getName() + ")" +
// " - " + Debug.getCompressedStackTrace() );
List owners = (List) file_map.get(canonical_path);
if (owners == null) {
owners = new ArrayList();
// System.out.println( " creating new owners entr" );
file_map.put(canonical_path, owners);
}
for (Iterator it = owners.iterator(); it.hasNext(); ) {
Object[] entry = (Object[]) it.next();
String entry_name = ((FMFileOwner) entry[0]).getName();
// System.out.println( " existing entry: " + entry_name );
if (owner.getName().equals(entry_name)) {
// already present, start off read-access
Debug.out("reserve file - entry already present");
entry[1] = new Boolean(false);
return;
}
}
owners.add(new Object[] {owner, new Boolean(false), "<reservation>"});
} finally {
file_map_mon.exit();
}
}
protected void deleteDirs() {
if (clone) {
return;
}
if (created_dirs_leaf != null) {
// delete any dirs we created if the target file doesn't exist
if (!created_dirs_leaf.exists()) {
Iterator it = created_dirs.iterator();
while (it.hasNext()) {
File dir = (File) it.next();
if (dir.exists() && dir.isDirectory()) {
File[] entries = dir.listFiles();
if (entries == null || entries.length == 0) {
// System.out.println( "deleted " + dir );
dir.delete();
} else {
break;
}
} else {
break;
}
}
}
created_dirs_leaf = null;
created_dirs = null;
}
}
private void releaseFile() {
if (clone) {
return;
}
try {
file_map_mon.enter();
// System.out.println( "FMFile::releaseFile:" + canonical_path + "("+ owner.getName() + ")" +
// " - " + Debug.getCompressedStackTrace());
List owners = (List) file_map.get(canonical_path);
if (owners != null) {
for (Iterator it = owners.iterator(); it.hasNext(); ) {
Object[] entry = (Object[]) it.next();
if (owner.getName().equals(((FMFileOwner) entry[0]).getName())) {
it.remove();
break;
}
}
if (owners.size() == 0) {
file_map.remove(canonical_path);
}
}
} finally {
file_map_mon.exit();
}
}
protected long allocateConnectionId(String client_address) {
try {
random_mon.enter();
long id = random.nextLong();
Long new_key = new Long(id);
connectionData new_data = new connectionData(client_address, id);
// check for timeouts
if (new_data.getTime() - last_timeout_check > 500) {
last_timeout_check = new_data.getTime();
Iterator<Long> it = connection_id_map.keySet().iterator();
while (it.hasNext()) {
Long key = it.next();
connectionData data = connection_id_map.get(key);
if (new_data.getTime() - data.getTime() > CONNECTION_ID_LIFETIME) {
// System.out.println( "TRTrackerServerProcessorUDP: connection id timeout" );
it.remove();
List<connectionData> cds = connection_ip_map.get(client_address);
if (cds != null) {
Iterator<connectionData> it2 = cds.iterator();
while (it2.hasNext()) {
if (it2.next().getID() == key) {
it2.remove();
break;
}
}
if (cds.size() == 0) {
connection_ip_map.remove(client_address);
}
}
} else {
// insertion order into map is time based - LinkedHashMap returns keys in same order
break;
}
}
}
List<connectionData> cds = connection_ip_map.get(client_address);
if (cds == null) {
cds = new ArrayList<connectionData>();
connection_ip_map.put(client_address, cds);
}
cds.add(new_data);
if (cds.size() > 512) {
connectionData dead = cds.remove(0);
connection_id_map.remove(dead.getID());
}
connection_id_map.put(new_key, new_data);
// System.out.println( "TRTrackerServerProcessorUDP: allocated:" + id + ", connection id map
// size = " + connection_id_map.size());
return (id);
} finally {
random_mon.exit();
}
}
private void reserveAccess(String reason) throws FMFileManagerException {
if (clone) {
return;
}
try {
file_map_mon.enter();
// System.out.println( "FMFile::reserveAccess:" + canonical_path + "("+ owner.getName() + ")"
// + " [" + (access_mode==FM_WRITE?"write":"read") + "]" + " - " +
// Debug.getCompressedStackTrace());
List owners = (List) file_map.get(canonical_path);
Object[] my_entry = null;
if (owners == null) {
Debug.out("reserveAccess fail");
throw (new FMFileManagerException(
"File '"
+ canonical_path
+ "' has not been reserved (no entries), '"
+ owner.getName()
+ "'"));
}
for (Iterator it = owners.iterator(); it.hasNext(); ) {
Object[] entry = (Object[]) it.next();
String entry_name = ((FMFileOwner) entry[0]).getName();
// System.out.println( " existing entry: " + entry_name );
if (owner.getName().equals(entry_name)) {
my_entry = entry;
}
}
if (my_entry == null) {
Debug.out("reserveAccess fail");
throw (new FMFileManagerException(
"File '"
+ canonical_path
+ "' has not been reserved (not found), '"
+ owner.getName()
+ "'"));
}
my_entry[1] = new Boolean(access_mode == FM_WRITE);
my_entry[2] = reason;
int read_access = 0;
int write_access = 0;
int write_access_lax = 0;
TOTorrentFile my_torrent_file = owner.getTorrentFile();
StringBuilder users_sb = owners.size() == 1 ? null : new StringBuilder(128);
for (Iterator it = owners.iterator(); it.hasNext(); ) {
Object[] entry = (Object[]) it.next();
FMFileOwner this_owner = (FMFileOwner) entry[0];
if (((Boolean) entry[1]).booleanValue()) {
write_access++;
TOTorrentFile this_tf = this_owner.getTorrentFile();
if (my_torrent_file != null
&& this_tf != null
&& my_torrent_file.getLength() == this_tf.getLength()) {
write_access_lax++;
}
if (users_sb != null) {
if (users_sb.length() > 0) {
users_sb.append(",");
}
users_sb.append(this_owner.getName());
users_sb.append(" [write]");
}
} else {
read_access++;
if (users_sb != null) {
if (users_sb.length() > 0) {
users_sb.append(",");
}
users_sb.append(this_owner.getName());
users_sb.append(" [read]");
}
}
}
if (write_access > 1 || (write_access == 1 && read_access > 0)) {
// relax locking if strict is disabled and torrent file is same size
if (!COConfigurationManager.getBooleanParameter("File.strict.locking")) {
if (write_access_lax == write_access) {
return;
}
}
Debug.out("reserveAccess fail");
throw (new FMFileManagerException(
"File '"
+ canonical_path
+ "' is in use by '"
+ (users_sb == null ? "eh?" : users_sb.toString())
+ "'"));
}
} finally {
file_map_mon.exit();
}
}
