cadc-registry: add default connection and read timeouts and set methods

cadc-registry/build.gradle

@@ -16,7 +16,7 @@ sourceCompatibility = 1.8
 
 group = 'org.opencadc'
 
-version = '1.7.4'
+version = '1.7.5'
 
 description = 'OpenCADC Registry client library'
 def git_url = 'https://github.com/opencadc/reg'

cadc-registry/src/main/java/ca/nrc/cadc/reg/client/CachingFile.java

@@ -3,7 +3,7 @@
 *******************  CANADIAN ASTRONOMY DATA CENTRE  *******************
 **************  CENTRE CANADIEN DE DONNÉES ASTRONOMIQUES  **************
 *
-*  (c) 2019.                            (c) 2019.
+*  (c) 2023.                            (c) 2023.
 *  Government of Canada                 Gouvernement du Canada
 *  National Research Council            Conseil national de recherches
 *  Ottawa, Canada, K1A 0R6              Ottawa, Canada, K1A 0R6
@@ -69,7 +69,8 @@
 
 package ca.nrc.cadc.reg.client;
 
-import ca.nrc.cadc.net.HttpDownload;
+import ca.nrc.cadc.net.HttpGet;
+import ca.nrc.cadc.net.HttpTransfer;
 import ca.nrc.cadc.profiler.Profiler;
 import java.io.ByteArrayOutputStream;
 import java.io.File;
@@ -109,6 +110,8 @@ public class CachingFile {
 
     // 10 minutes
     private static final int DEFAULT_EXPRIY_SECONDS = 10 * 60;
+    private int connectionTimeout = 3000; // millis
+    private int readTimeout = 60000;      // millis
 
     private File localCache;
     private URL remoteSource;
@@ -157,6 +160,24 @@ public CachingFile(File localCache, URL remoteSource, long expirySeconds) {
         this.expirySeconds = expirySeconds;
     }
 
+    /**
+     * HTTP connection timeout in milliseconds (default: 30000).
+     * 
+     * @param connectionTimeout in milliseconds
+     */
+    public void setConnectionTimeout(int connectionTimeout) {
+        this.connectionTimeout = connectionTimeout;
+    }
+
+    /**
+     * HTTP read timeout in milliseconds (default: 60000).
+     * 
+     * @param readTimeout in milliseconds
+     */
+    public void setReadTimeout(int readTimeout) {
+        this.readTimeout = readTimeout;
+    }
+
     private File checkCacheDirectory(File cacheFile) {
         Profiler profiler = new Profiler(CachingFile.class);
         log.debug("Cache file: " + cacheFile);
@@ -290,11 +311,13 @@ private String getRemoteContent() throws IOException {
     private void loadRemoteContent(OutputStream dest) throws IOException {
         Profiler profiler = new Profiler(CachingFile.class);
         try {
-            HttpDownload download = new HttpDownload(remoteSource, dest);
+            HttpGet download = new HttpGet(remoteSource, dest);
+            download.setConnectionTimeout(connectionTimeout);
+            download.setReadTimeout(readTimeout);
             download.run();
 
             if (download.getThrowable() != null) {
-                log.warn("Could not get source from " + remoteSource, download.getThrowable());
+                log.warn("Could not get source from " + remoteSource + ": " + download.getThrowable());
                 throw new IOException(download.getThrowable());
             }
         } finally {

cadc-registry/src/main/java/ca/nrc/cadc/reg/client/RegistryClient.java

@@ -151,6 +151,9 @@ public String getValue() {
     private String hostname;
     private URL regBaseURL;
     private String capsDomain;
+
+    private int connectionTimeout = 30000; // millis
+    private int readTimeout = 60000;      // millis
 
     static {
         try {
@@ -204,6 +207,24 @@ public RegistryClient() {
         }
     }
 
+    /**
+     * HTTP connection timeout in milliseconds (default: 30000).
+     * 
+     * @param connectionTimeout in milliseconds
+     */
+    public void setConnectionTimeout(int connectionTimeout) {
+        this.connectionTimeout = connectionTimeout;
+    }
+
+    /**
+     * HTTP read timeout in milliseconds (default: 60000).
+     * 
+     * @param readTimeout in milliseconds
+     */
+    public void setReadTimeout(int readTimeout) {
+        this.readTimeout = readTimeout;
+    }
+
     /**
      * Find out if registry lookup URL was modified by a system property. This
      * typically indicates that the code is running in a development/test environment.
@@ -240,6 +261,8 @@ public URL getAccessURL(Query queryName, URI uri) throws IOException, ResourceNo
         log.debug("Capabilities cache file: " + queryCacheFile);
         URL queryURL = new URL(regBaseURL + "/" + queryName.getValue());
         CachingFile cachedCapSource = new CachingFile(queryCacheFile, queryURL);
+        cachedCapSource.setConnectionTimeout(connectionTimeout);
+        cachedCapSource.setReadTimeout(readTimeout);
         String map = cachedCapSource.getContent();
         InputStream mapStream = new ByteArrayInputStream(map.getBytes(StandardCharsets.UTF_8));
         MultiValuedProperties mvp = new MultiValuedProperties();
@@ -285,6 +308,8 @@ public Capabilities getCapabilities(URI resourceID) throws IOException, Resource
 
         File capabilitiesFile = this.getCapabilitiesCacheFile(resourceID);
         CachingFile cachedCapabilities = new CachingFile(capabilitiesFile, serviceCapsURL);
+        cachedCapabilities.setConnectionTimeout(connectionTimeout);
+        cachedCapabilities.setReadTimeout(readTimeout);
         String xml = cachedCapabilities.getContent();
         CapabilitiesReader capReader = new CapabilitiesReader();
         return capReader.read(xml);