public boolean clear() throws InterruptedException {
this.profilesActiveCrawlsCache.clear();
CrawlProfile entry;
boolean hasDoneSomething = false;
try {
for (final byte[] handle : this.profilesActiveCrawls.keySet()) {
// check for interruption
if (Thread.currentThread().isInterrupted())
throw new InterruptedException("Shutdown in progress");
// getting next profile
try {
entry = new CrawlProfile(this.profilesActiveCrawls.get(handle));
} catch (final IOException e) {
continue;
} catch (final RowSpaceExceededException e) {
continue;
}
if (!((entry.name().equals(CRAWL_PROFILE_PROXY))
|| (entry.name().equals(CRAWL_PROFILE_REMOTE))
|| (entry.name().equals(CRAWL_PROFILE_SNIPPET_LOCAL_TEXT))
|| (entry.name().equals(CRAWL_PROFILE_SNIPPET_GLOBAL_TEXT))
|| (entry.name().equals(CRAWL_PROFILE_SNIPPET_LOCAL_MEDIA))
|| (entry.name().equals(CRAWL_PROFILE_SNIPPET_GLOBAL_MEDIA))
|| (entry.name().equals(CRAWL_PROFILE_SURROGATE)))) {
final CrawlProfile p = new CrawlProfile(entry);
this.profilesPassiveCrawls.put(UTF8.getBytes(p.handle()), p);
this.profilesActiveCrawls.remove(handle);
hasDoneSomething = true;
}
}
} catch (final kelondroException e) {
resetProfiles();
hasDoneSomething = true;
}
return hasDoneSomething;
}
public CrawlSwitchboard(final String networkName, final Log log, final File queuesRoot) {
log.logInfo("Initializing Word Index for the network '" + networkName + "'.");
if (networkName == null || networkName.length() == 0) {
log.logSevere("no network name given - shutting down");
System.exit(0);
}
this.log = log;
this.profilesActiveCrawlsCache =
Collections.synchronizedMap(new TreeMap<byte[], CrawlProfile>(Base64Order.enhancedCoder));
// make crawl profiles database and default profiles
this.queuesRoot = queuesRoot;
this.queuesRoot.mkdirs();
this.log.logConfig("Initializing Crawl Profiles");
final File profilesActiveFile = new File(queuesRoot, DBFILE_ACTIVE_CRAWL_PROFILES);
this.profilesActiveCrawls = loadFromDB(profilesActiveFile);
for (final byte[] handle : this.profilesActiveCrawls.keySet()) {
CrawlProfile p;
try {
p = new CrawlProfile(this.profilesActiveCrawls.get(handle));
} catch (final IOException e) {
p = null;
} catch (final RowSpaceExceededException e) {
p = null;
}
if (p == null) continue;
if (!RegexHelper.isValidRegex(p.get(CrawlProfile.FILTER_URL_MUSTMATCH))) {
removeActive(handle);
Log.logWarning(
"CrawlProfiles",
"removed Profile "
+ p.handle()
+ ": "
+ p.name()
+ " from active crawls since "
+ CrawlProfile.FILTER_URL_MUSTMATCH
+ " is no valid regular expression: "
+ p.get(CrawlProfile.FILTER_URL_MUSTMATCH));
} else if (!RegexHelper.isValidRegex(p.get(CrawlProfile.FILTER_URL_MUSTNOTMATCH))) {
removeActive(handle);
Log.logWarning(
"CrawlProfiles",
"removed Profile "
+ p.handle()
+ ": "
+ p.name()
+ " from active crawls since "
+ CrawlProfile.FILTER_URL_MUSTNOTMATCH
+ " is no valid regular expression: "
+ p.get(CrawlProfile.FILTER_URL_MUSTNOTMATCH));
} else {
Log.logInfo("CrawlProfiles", "loaded Profile " + p.handle() + ": " + p.name());
}
}
initActiveCrawlProfiles();
log.logInfo(
"Loaded active crawl profiles from file "
+ profilesActiveFile.getName()
+ ", "
+ this.profilesActiveCrawls.size()
+ " entries");
final File profilesPassiveFile = new File(queuesRoot, DBFILE_PASSIVE_CRAWL_PROFILES);
this.profilesPassiveCrawls = loadFromDB(profilesPassiveFile);
for (final byte[] handle : this.profilesPassiveCrawls.keySet()) {
CrawlProfile p;
try {
p = new CrawlProfile(this.profilesPassiveCrawls.get(handle));
Log.logInfo("CrawlProfiles", "loaded Profile " + p.handle() + ": " + p.name());
} catch (final IOException e) {
continue;
} catch (final RowSpaceExceededException e) {
continue;
}
}
log.logInfo(
"Loaded passive crawl profiles from file "
+ profilesPassiveFile.getName()
+ ", "
+ this.profilesPassiveCrawls.size()
+ " entries"
+ ", "
+ profilesPassiveFile.length() / 1024);
}
private void initActiveCrawlProfiles() {
this.defaultProxyProfile = null;
this.defaultRemoteProfile = null;
this.defaultTextSnippetLocalProfile = null;
this.defaultTextSnippetGlobalProfile = null;
this.defaultMediaSnippetLocalProfile = null;
this.defaultMediaSnippetGlobalProfile = null;
this.defaultSurrogateProfile = null;
CrawlProfile profile;
String name;
try {
for (final byte[] handle : this.profilesActiveCrawls.keySet()) {
profile = new CrawlProfile(this.profilesActiveCrawls.get(handle));
name = profile.name();
if (name.equals(CRAWL_PROFILE_PROXY)) this.defaultProxyProfile = profile;
if (name.equals(CRAWL_PROFILE_REMOTE)) this.defaultRemoteProfile = profile;
if (name.equals(CRAWL_PROFILE_SNIPPET_LOCAL_TEXT))
this.defaultTextSnippetLocalProfile = profile;
if (name.equals(CRAWL_PROFILE_SNIPPET_GLOBAL_TEXT))
this.defaultTextSnippetGlobalProfile = profile;
if (name.equals(CRAWL_PROFILE_SNIPPET_LOCAL_MEDIA))
this.defaultMediaSnippetLocalProfile = profile;
if (name.equals(CRAWL_PROFILE_SNIPPET_GLOBAL_MEDIA))
this.defaultMediaSnippetGlobalProfile = profile;
if (name.equals(CRAWL_PROFILE_SURROGATE)) this.defaultSurrogateProfile = profile;
}
} catch (final Exception e) {
this.profilesActiveCrawls.clear();
this.defaultProxyProfile = null;
this.defaultRemoteProfile = null;
this.defaultTextSnippetLocalProfile = null;
this.defaultTextSnippetGlobalProfile = null;
this.defaultMediaSnippetLocalProfile = null;
this.defaultMediaSnippetGlobalProfile = null;
this.defaultSurrogateProfile = null;
}
if (this.defaultProxyProfile == null) {
// generate new default entry for proxy crawling
this.defaultProxyProfile =
new CrawlProfile(
"proxy",
null,
CrawlProfile.MATCH_ALL_STRING,
CrawlProfile.MATCH_NEVER_STRING,
CrawlProfile.MATCH_ALL_STRING,
CrawlProfile.MATCH_NEVER_STRING,
"",
0 /*Integer.parseInt(getConfig(PROXY_PREFETCH_DEPTH, "0"))*/,
true,
CrawlProfile.getRecrawlDate(CRAWL_PROFILE_PROXY_RECRAWL_CYCLE),
-1,
false,
true /*getConfigBool(PROXY_INDEXING_LOCAL_TEXT, true)*/,
true /*getConfigBool(PROXY_INDEXING_LOCAL_MEDIA, true)*/,
true,
false /*getConfigBool(PROXY_INDEXING_REMOTE, false)*/,
true,
true,
true,
CacheStrategy.IFFRESH);
this.profilesActiveCrawls.put(
UTF8.getBytes(this.defaultProxyProfile.handle()), this.defaultProxyProfile);
}
if (this.defaultRemoteProfile == null) {
// generate new default entry for remote crawling
this.defaultRemoteProfile =
new CrawlProfile(
CRAWL_PROFILE_REMOTE,
null,
CrawlProfile.MATCH_ALL_STRING,
CrawlProfile.MATCH_ALL_STRING,
CrawlProfile.MATCH_NEVER_STRING,
"",
CrawlProfile.MATCH_NEVER_STRING,
0,
true,
-1,
-1,
true,
true,
true,
false,
false,
true,
true,
false,
CacheStrategy.IFFRESH);
this.profilesActiveCrawls.put(
UTF8.getBytes(this.defaultRemoteProfile.handle()), this.defaultRemoteProfile);
}
if (this.defaultTextSnippetLocalProfile == null) {
// generate new default entry for snippet fetch and optional crawling
this.defaultTextSnippetLocalProfile =
new CrawlProfile(
CRAWL_PROFILE_SNIPPET_LOCAL_TEXT,
null,
CrawlProfile.MATCH_ALL_STRING,
CrawlProfile.MATCH_NEVER_STRING,
CrawlProfile.MATCH_ALL_STRING,
CrawlProfile.MATCH_NEVER_STRING,
"",
0,
true,
CrawlProfile.getRecrawlDate(CRAWL_PROFILE_SNIPPET_LOCAL_TEXT_RECRAWL_CYCLE),
-1,
true,
false,
false,
true,
false,
true,
true,
false,
CacheStrategy.IFEXIST);
this.profilesActiveCrawls.put(
UTF8.getBytes(this.defaultTextSnippetLocalProfile.handle()),
this.defaultTextSnippetLocalProfile);
}
if (this.defaultTextSnippetGlobalProfile == null) {
// generate new default entry for snippet fetch and optional crawling
this.defaultTextSnippetGlobalProfile =
new CrawlProfile(
CRAWL_PROFILE_SNIPPET_GLOBAL_TEXT,
null,
CrawlProfile.MATCH_ALL_STRING,
CrawlProfile.MATCH_NEVER_STRING,
CrawlProfile.MATCH_ALL_STRING,
CrawlProfile.MATCH_NEVER_STRING,
"",
0,
true,
CrawlProfile.getRecrawlDate(CRAWL_PROFILE_SNIPPET_GLOBAL_TEXT_RECRAWL_CYCLE),
-1,
true,
true,
true,
true,
false,
true,
true,
false,
CacheStrategy.IFEXIST);
this.profilesActiveCrawls.put(
UTF8.getBytes(this.defaultTextSnippetGlobalProfile.handle()),
this.defaultTextSnippetGlobalProfile);
}
this.defaultTextSnippetGlobalProfile.setCacheStrategy(CacheStrategy.IFEXIST);
if (this.defaultMediaSnippetLocalProfile == null) {
// generate new default entry for snippet fetch and optional crawling
this.defaultMediaSnippetLocalProfile =
new CrawlProfile(
CRAWL_PROFILE_SNIPPET_LOCAL_MEDIA,
null,
CrawlProfile.MATCH_ALL_STRING,
CrawlProfile.MATCH_NEVER_STRING,
CrawlProfile.MATCH_ALL_STRING,
CrawlProfile.MATCH_NEVER_STRING,
"",
0,
true,
CrawlProfile.getRecrawlDate(CRAWL_PROFILE_SNIPPET_LOCAL_MEDIA_RECRAWL_CYCLE),
-1,
true,
false,
false,
true,
false,
true,
true,
false,
CacheStrategy.IFEXIST);
this.profilesActiveCrawls.put(
UTF8.getBytes(this.defaultMediaSnippetLocalProfile.handle()),
this.defaultMediaSnippetLocalProfile);
}
if (this.defaultMediaSnippetGlobalProfile == null) {
// generate new default entry for snippet fetch and optional crawling
this.defaultMediaSnippetGlobalProfile =
new CrawlProfile(
CRAWL_PROFILE_SNIPPET_GLOBAL_MEDIA,
null,
CrawlProfile.MATCH_ALL_STRING,
CrawlProfile.MATCH_NEVER_STRING,
CrawlProfile.MATCH_ALL_STRING,
CrawlProfile.MATCH_NEVER_STRING,
"",
0,
true,
CrawlProfile.getRecrawlDate(CRAWL_PROFILE_SNIPPET_GLOBAL_MEDIA_RECRAWL_CYCLE),
-1,
true,
false,
true,
true,
false,
true,
true,
false,
CacheStrategy.IFEXIST);
this.profilesActiveCrawls.put(
UTF8.getBytes(this.defaultMediaSnippetGlobalProfile.handle()),
this.defaultMediaSnippetGlobalProfile);
}
if (this.defaultSurrogateProfile == null) {
// generate new default entry for surrogate parsing
this.defaultSurrogateProfile =
new CrawlProfile(
CRAWL_PROFILE_SURROGATE,
null,
CrawlProfile.MATCH_ALL_STRING,
CrawlProfile.MATCH_NEVER_STRING,
CrawlProfile.MATCH_ALL_STRING,
CrawlProfile.MATCH_NEVER_STRING,
"",
0,
false,
CrawlProfile.getRecrawlDate(CRAWL_PROFILE_SURROGATE_RECRAWL_CYCLE),
-1,
true,
true,
false,
false,
false,
true,
true,
false,
CacheStrategy.NOCACHE);
this.profilesActiveCrawls.put(
UTF8.getBytes(this.defaultSurrogateProfile.handle()), this.defaultSurrogateProfile);
}
}