@NotNull private Map<String, Ref> getRemoteRefs(@NotNull Repository db, @NotNull GitVcsRoot gitRoot) throws Exception { long retryInterval = myConfig.getConnectionRetryIntervalMillis(); int attemptsLeft = myConfig.getConnectionRetryAttempts(); while (true) { final long start = System.currentTimeMillis(); Transport transport = null; FetchConnection connection = null; try { transport = myTransportFactory.createTransport( db, gitRoot.getRepositoryFetchURL(), gitRoot.getAuthSettings()); connection = transport.openFetch(); return connection.getRefsMap(); } catch (NotSupportedException nse) { throw friendlyNotSupportedException(gitRoot, nse); } catch (TransportException te) { attemptsLeft--; if (isRecoverable(te) && attemptsLeft > 0) { LOG.warn( "List remote refs failed: " + te.getMessage() + ", " + attemptsLeft + " attempt(s) left"); } else { throw friendlyTransportException(te, gitRoot); } } catch (WrongPassphraseException e) { throw new VcsException(e.getMessage(), e); } finally { if (connection != null) connection.close(); if (transport != null) transport.close(); final long finish = System.currentTimeMillis(); PERFORMANCE_LOG.debug( "[getRemoteRefs] repository: " + LogUtil.describe(gitRoot) + ", took " + (finish - start) + "ms"); } Thread.sleep(retryInterval); retryInterval *= 2; } }
@Test public void testListRemote() throws IOException { Repository dst = createBareRepository(); assertEquals("http", remoteURI.getScheme()); Map<String, Ref> map; Transport t = Transport.open(dst, remoteURI); ((TransportHttp) t).setUseSmartHttp(false); try { // I didn't make up these public interface names, I just // approved them for inclusion into the code base. Sorry. // --spearce // assertTrue("isa TransportHttp", t instanceof TransportHttp); assertTrue("isa HttpTransport", t instanceof HttpTransport); FetchConnection c = t.openFetch(); try { map = c.getRefsMap(); } finally { c.close(); } } finally { t.close(); } assertNotNull("have map of refs", map); assertEquals(2, map.size()); assertNotNull("has " + master, map.get(master)); assertEquals(B, map.get(master).getObjectId()); assertNotNull("has " + Constants.HEAD, map.get(Constants.HEAD)); assertEquals(B, map.get(Constants.HEAD).getObjectId()); List<AccessEvent> requests = getRequests(); assertEquals(2, requests.size()); assertEquals(0, getRequests(remoteURI, "git-upload-pack").size()); AccessEvent info = requests.get(0); assertEquals("GET", info.getMethod()); assertEquals(join(remoteURI, "info/refs"), info.getPath()); assertEquals(0, info.getParameters().size()); assertNull("no service parameter", info.getParameter("service")); assertEquals("no-cache", info.getRequestHeader(HDR_PRAGMA)); assertNotNull("has user-agent", info.getRequestHeader(HDR_USER_AGENT)); assertTrue("is jgit agent", info.getRequestHeader(HDR_USER_AGENT).startsWith("JGit/")); assertEquals("*/*", info.getRequestHeader(HDR_ACCEPT)); assertEquals(200, info.getStatus()); assertEquals("text/plain;charset=UTF-8", info.getResponseHeader(HDR_CONTENT_TYPE)); AccessEvent head = requests.get(1); assertEquals("GET", head.getMethod()); assertEquals(join(remoteURI, "HEAD"), head.getPath()); assertEquals(0, head.getParameters().size()); assertEquals(200, head.getStatus()); assertEquals("text/plain", head.getResponseHeader(HDR_CONTENT_TYPE)); }