2008-02-06 Tatsuhiro Tsujikawa <tujikawa at rednoah dot com>

Create directory before saving DHT routing table.
	Now ios::failure is now handled properly.
	* src/DHTAutoSaveCommand.cc
pull/1/head
Tatsuhiro Tsujikawa 2008-02-05 17:38:24 +00:00
parent 7b0a940ab4
commit d82e183d34
2 changed files with 33 additions and 4 deletions

View File

@ -1,3 +1,9 @@
2008-02-06 Tatsuhiro Tsujikawa <tujikawa at rednoah dot com>
Create directory before saving DHT routing table.
Now ios::failure is now handled properly.
* src/DHTAutoSaveCommand.cc
2008-02-05 Tatsuhiro Tsujikawa <tujikawa at rednoah dot com>
Removed unnecessary cerr.

View File

@ -44,6 +44,8 @@
#include "RequestGroupMan.h"
#include "prefs.h"
#include "Option.h"
#include "message.h"
#include <cerrno>
#include <fstream>
DHTAutoSaveCommand::DHTAutoSaveCommand(int32_t cuid, DownloadEngine* e, int32_t interval):
@ -68,6 +70,25 @@ void DHTAutoSaveCommand::process()
void DHTAutoSaveCommand::save()
{
string dhtFile = _e->option->get(PREF_DHT_FILE_PATH);
logger->info("Saving DHT routing table to %s.", dhtFile.c_str());
string tempFile = dhtFile+"__temp";
{
File f(tempFile);
if(!f.isFile()) {
File dir(f.getDirname());
if(!dir.exists()) {
if(!dir.mkdirs()) {
logger->info(EX_MAKE_DIR, dir.getPath().c_str(), strerror(errno));
return;
}
} else if(!dir.isDir()) {
logger->info(EX_NOT_DIRECTORY, dir.getPath().c_str());
return;
}
}
}
DHTNodes nodes;
DHTBuckets buckets = _routingTable->getBuckets();
for(DHTBuckets::const_iterator i = buckets.begin(); i != buckets.end(); ++i) {
@ -80,17 +101,19 @@ void DHTAutoSaveCommand::save()
serializer.setLocalNode(_localNode);
serializer.setNodes(nodes);
string dhtFile = _e->option->get(PREF_DHT_FILE_PATH);
string tempFile = dhtFile+"__temp";
ofstream o(tempFile.c_str(), ios::out|ios::binary);
o.exceptions(ios::failbit);
try {
ofstream o(tempFile.c_str(), ios::out|ios::binary);
o.exceptions(ios::failbit);
serializer.serialize(o);
if(!File(tempFile).renameTo(dhtFile)) {
logger->error("Cannot move file from %s to %s.",
tempFile.c_str(), dhtFile.c_str());
}
} catch(ios::failure const& e) {
logger->error("Failed to save DHT routing table to %s. cause:%s",
tempFile.c_str(), strerror(errno));
} catch(RecoverableException* e) {
logger->error("Exception caught while saving DHT routing table to %s",
e, tempFile.c_str());