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-rw-r--r--src/com/gitblit/GitBlit.java152
1 files changed, 137 insertions, 15 deletions
diff --git a/src/com/gitblit/GitBlit.java b/src/com/gitblit/GitBlit.java
index f52f229f..97fb5a95 100644
--- a/src/com/gitblit/GitBlit.java
+++ b/src/com/gitblit/GitBlit.java
@@ -39,10 +39,12 @@ import java.util.Set;
import java.util.TimeZone;
import java.util.TreeSet;
import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;
+import java.util.concurrent.atomic.AtomicReference;
import javax.mail.Message;
import javax.mail.MessagingException;
@@ -125,6 +127,10 @@ public class GitBlit implements ServletContextListener {
private final ObjectCache<Long> repositorySizeCache = new ObjectCache<Long>();
private final ObjectCache<List<Metric>> repositoryMetricsCache = new ObjectCache<List<Metric>>();
+
+ private final List<String> repositoryListCache = new CopyOnWriteArrayList<String>();
+
+ private final AtomicReference<String> repositoryListSettingsChecksum = new AtomicReference<String>("");
private RepositoryResolver<Void> repositoryResolver;
@@ -723,15 +729,73 @@ public class GitBlit implements ServletContextListener {
public boolean deleteTeam(String teamname) {
return userService.deleteTeam(teamname);
}
+
+ /**
+ * Adds the repository to the list of cached repositories if Gitblit is
+ * configured to cache the repository list.
+ *
+ * @param name
+ */
+ private void addToCachedRepositoryList(String name) {
+ if (settings.getBoolean(Keys.git.cacheRepositoryList, true)) {
+ repositoryListCache.add(name);
+ }
+ }
/**
* Clears all the cached data for the specified repository.
*
* @param repositoryName
+ * @param isDeleted
*/
- public void clearRepositoryCache(String repositoryName) {
+ private void clearRepositoryCache(String repositoryName, boolean isDeleted) {
repositorySizeCache.remove(repositoryName);
repositoryMetricsCache.remove(repositoryName);
+
+ if (isDeleted) {
+ repositoryListCache.remove(repositoryName);
+ }
+ }
+
+ /**
+ * Resets the repository list cache.
+ *
+ */
+ public void resetRepositoryListCache() {
+ logger.info("Repository cache manually reset");
+ repositoryListCache.clear();
+ }
+
+ /**
+ * Calculate the checksum of settings that affect the repository list cache.
+ * @return a checksum
+ */
+ private String getRepositoryListSettingsChecksum() {
+ StringBuilder ns = new StringBuilder();
+ ns.append(settings.getString(Keys.git.cacheRepositoryList, "")).append('\n');
+ ns.append(settings.getString(Keys.git.onlyAccessBareRepositories, "")).append('\n');
+ ns.append(settings.getString(Keys.git.searchRepositoriesSubfolders, "")).append('\n');
+ ns.append(settings.getString(Keys.git.searchRecursionDepth, "")).append('\n');
+ ns.append(settings.getString(Keys.git.searchExclusions, "")).append('\n');
+ String checksum = StringUtils.getSHA1(ns.toString());
+ return checksum;
+ }
+
+ /**
+ * Compare the last repository list setting checksum to the current checksum.
+ * If different then clear the cache so that it may be rebuilt.
+ *
+ * @return true if the cached repository list is valid since the last check
+ */
+ private boolean isValidRepositoryList() {
+ String newChecksum = getRepositoryListSettingsChecksum();
+ boolean valid = newChecksum.equals(repositoryListSettingsChecksum.get());
+ repositoryListSettingsChecksum.set(newChecksum);
+ if (!valid && settings.getBoolean(Keys.git.cacheRepositoryList, true)) {
+ logger.info("Repository list settings have changed. Clearing repository list cache.");
+ repositoryListCache.clear();
+ }
+ return valid;
}
/**
@@ -741,11 +805,46 @@ public class GitBlit implements ServletContextListener {
* @return list of all repositories
*/
public List<String> getRepositoryList() {
- return JGitUtils.getRepositoryList(repositoriesFolder,
- settings.getBoolean(Keys.git.onlyAccessBareRepositories, false),
- settings.getBoolean(Keys.git.searchRepositoriesSubfolders, true),
- settings.getInteger(Keys.git.searchRecursionDepth, -1),
- settings.getStrings(Keys.git.searchExclusions));
+ if (repositoryListCache.size() == 0 || !isValidRepositoryList()) {
+ // we are not caching OR we have not yet cached OR the cached list is invalid
+ long startTime = System.currentTimeMillis();
+ List<String> repositories = JGitUtils.getRepositoryList(repositoriesFolder,
+ settings.getBoolean(Keys.git.onlyAccessBareRepositories, false),
+ settings.getBoolean(Keys.git.searchRepositoriesSubfolders, true),
+ settings.getInteger(Keys.git.searchRecursionDepth, -1),
+ settings.getStrings(Keys.git.searchExclusions));
+
+ if (!settings.getBoolean(Keys.git.cacheRepositoryList, true)) {
+ // we are not caching
+ StringUtils.sortRepositorynames(repositories);
+ return repositories;
+ } else {
+ // we are caching this list
+ String msg = "{0} repositories identified in {1} msecs";
+
+ // optionally (re)calculate repository sizes
+ if (getBoolean(Keys.web.showRepositorySizes, true)) {
+ msg = "{0} repositories identified with calculated folder sizes in {1} msecs";
+ for (String repository : repositories) {
+ RepositoryModel model = getRepositoryModel(repository);
+ if (!model.skipSizeCalculation) {
+ calculateSize(model);
+ }
+ }
+ }
+
+ // update cache
+ repositoryListCache.addAll(repositories);
+
+ long duration = System.currentTimeMillis() - startTime;
+ logger.info(MessageFormat.format(msg, repositoryListCache.size(), duration));
+ }
+ }
+
+ // return sorted copy of cached list
+ List<String> list = new ArrayList<String>(repositoryListCache);
+ StringUtils.sortRepositorynames(list);
+ return list;
}
/**
@@ -804,6 +903,7 @@ public class GitBlit implements ServletContextListener {
* @return list of repository models accessible to user
*/
public List<RepositoryModel> getRepositoryModels(UserModel user) {
+ long methodStart = System.currentTimeMillis();
List<String> list = getRepositoryList();
List<RepositoryModel> repositories = new ArrayList<RepositoryModel>();
for (String repo : list) {
@@ -823,9 +923,15 @@ public class GitBlit implements ServletContextListener {
}
}
long duration = System.currentTimeMillis() - startTime;
- logger.info(MessageFormat.format("{0} repository sizes calculated in {1} msecs",
+ if (duration > 250) {
+ // only log calcualtion time if > 250 msecs
+ logger.info(MessageFormat.format("{0} repository sizes calculated in {1} msecs",
repoCount, duration));
+ }
}
+ long duration = System.currentTimeMillis() - methodStart;
+ logger.info(MessageFormat.format("{0} repository models loaded for {1} in {2} msecs",
+ repositories.size(), user.username, duration));
return repositories;
}
@@ -869,7 +975,8 @@ public class GitBlit implements ServletContextListener {
model.hasCommits = JGitUtils.hasCommits(r);
model.lastChange = JGitUtils.getLastChange(r);
model.isBare = r.isBare();
- StoredConfig config = JGitUtils.readConfig(r);
+
+ StoredConfig config = r.getConfig();
if (config != null) {
model.description = getConfig(config, "description", "");
model.owner = getConfig(config, "owner", "");
@@ -1062,6 +1169,9 @@ public class GitBlit implements ServletContextListener {
// create repository
logger.info("create repository " + repository.name);
r = JGitUtils.createRepository(repositoriesFolder, repository.name);
+
+ // add name to cache
+ addToCachedRepositoryList(repository.name);
} else {
// rename repository
if (!repositoryName.equalsIgnoreCase(repository.name)) {
@@ -1101,7 +1211,10 @@ public class GitBlit implements ServletContextListener {
}
// clear the cache
- clearRepositoryCache(repositoryName);
+ clearRepositoryCache(repositoryName, true);
+
+ // add new name to repository list cache
+ addToCachedRepositoryList(repository.name);
}
// load repository
@@ -1129,7 +1242,7 @@ public class GitBlit implements ServletContextListener {
repository.name, currentRef, repository.HEAD));
if (JGitUtils.setHEADtoRef(r, repository.HEAD)) {
// clear the cache
- clearRepositoryCache(repository.name);
+ clearRepositoryCache(repository.name, false);
}
}
@@ -1137,7 +1250,7 @@ public class GitBlit implements ServletContextListener {
r.close();
}
}
-
+
/**
* Updates the Gitblit configuration for the specified repository.
*
@@ -1147,7 +1260,7 @@ public class GitBlit implements ServletContextListener {
* the Gitblit repository model
*/
public void updateConfiguration(Repository r, RepositoryModel repository) {
- StoredConfig config = JGitUtils.readConfig(r);
+ StoredConfig config = r.getConfig();
config.setString(Constants.CONFIG_GITBLIT, null, "description", repository.description);
config.setString(Constants.CONFIG_GITBLIT, null, "owner", repository.owner);
config.setBoolean(Constants.CONFIG_GITBLIT, null, "useTickets", repository.useTickets);
@@ -1225,6 +1338,9 @@ public class GitBlit implements ServletContextListener {
public boolean deleteRepository(String repositoryName) {
try {
closeRepository(repositoryName);
+ // clear the repository cache
+ clearRepositoryCache(repositoryName, true);
+
File folder = new File(repositoriesFolder, repositoryName);
if (folder.exists() && folder.isDirectory()) {
FileUtils.delete(folder, FileUtils.RECURSIVE | FileUtils.RETRY);
@@ -1232,9 +1348,6 @@ public class GitBlit implements ServletContextListener {
return true;
}
}
-
- // clear the repository cache
- clearRepositoryCache(repositoryName);
} catch (Throwable t) {
logger.error(MessageFormat.format("Failed to delete repository {0}", repositoryName), t);
}
@@ -1953,6 +2066,15 @@ public class GitBlit implements ServletContextListener {
repositoriesFolder = getRepositoriesFolder();
logger.info("Git repositories folder " + repositoriesFolder.getAbsolutePath());
repositoryResolver = new FileResolver<Void>(repositoriesFolder, true);
+
+ // calculate repository list settings checksum for future config changes
+ repositoryListSettingsChecksum.set(getRepositoryListSettingsChecksum());
+
+ // build initial repository list
+ if (settings.getBoolean(Keys.git.cacheRepositoryList, true)) {
+ logger.info("Identifying available repositories...");
+ getRepositoryList();
+ }
logTimezone("JVM", TimeZone.getDefault());
logTimezone(Constants.NAME, getTimezone());