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2007-01-30 zzz

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* i2psnark: Don't hold _snarks lock while checking a snark,
      so web page is responsive at startup
This commit is contained in:
zzz
2007-01-30 08:58:19 +00:00
committed by zzz
parent f339dec024
commit 91d281077d
3 changed files with 24 additions and 7 deletions
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21
apps/i2psnark/java/src/org/klomp/snark/SnarkManager.java
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@ -16,6 +16,7 @@ public class SnarkManager implements Snark.CompleteListener {
/** map of (canonical) filename to Snark instance (unsynchronized) */
private Map _snarks;
private Object _addSnarkLock;
private String _configFile;
private Properties _config;
private I2PAppContext _context;
@ -34,6 +35,7 @@ public class SnarkManager implements Snark.CompleteListener {
private SnarkManager() {
_snarks = new HashMap();
_addSnarkLock = new Object();
_context = I2PAppContext.getGlobalContext();
_log = _context.logManager().getLog(SnarkManager.class);
_messages = new ArrayList(16);
@ -289,7 +291,16 @@ public class SnarkManager implements Snark.CompleteListener {
Snark torrent = null;
synchronized (_snarks) {
torrent = (Snark)_snarks.get(filename);
if (torrent == null) {
}
// don't hold the _snarks lock while verifying the torrent
if (torrent == null) {
synchronized (_addSnarkLock) {
// double-check
synchronized (_snarks) {
if(_snarks.get(filename) != null)
return;
}
FileInputStream fis = null;
try {
fis = new FileInputStream(sfile);
@ -305,7 +316,9 @@ public class SnarkManager implements Snark.CompleteListener {
} else {
torrent = new Snark(filename, null, -1, null, null, false, dataDir.getPath());
torrent.completeListener = this;
_snarks.put(filename, torrent);
synchronized (_snarks) {
_snarks.put(filename, torrent);
}
}
} catch (IOException ioe) {
addMessage("Torrent in " + sfile.getName() + " is invalid: " + ioe.getMessage());
@ -315,9 +328,9 @@ public class SnarkManager implements Snark.CompleteListener {
} finally {
if (fis != null) try { fis.close(); } catch (IOException ioe) {}
}
} else {
return;
}
} else {
return;
}
// ok, snark created, now lets start it up or configure it further
File f = new File(filename);