add items to log api

Author: kevodwyer

src/main/java/io/ipfs/api/IPFS.java

@@ -29,6 +29,7 @@ public enum PinType {all, direct, indirect, recursive}
     private final int connectTimeoutMillis;
     private final int readTimeoutMillis;
     public final Key key = new Key();
+    public final Log log = new Log();
     public final Pin pin = new Pin();
     public final Repo repo = new Repo();
     public final IPFSObject object = new IPFSObject();
@@ -253,6 +254,15 @@ public List<KeyInfo> rm(String name) throws IOException {
         }
     }
 
+    public class Log {
+        public Map level(String subsystem, String logLevel) throws IOException {
+            return retrieveMap("log/level?arg=" + subsystem + "&arg=" + logLevel);
+        }
+        public Map ls() throws IOException {
+            return retrieveMap("log/ls");
+        }
+    }
+
     /* 'ipfs repo' is a plumbing command used to manipulate the repo.
      */
     public class Repo {

src/test/java/io/ipfs/api/APITest.java

@@ -69,6 +69,14 @@ public void keys() throws IOException {
         Assert.assertTrue("removed key", remaining.equals(existing));
     }
 
+    @Test
+    public void log() throws IOException {
+        Map lsResult = ipfs.log.ls();
+        Assert.assertTrue("Log ls", !lsResult.isEmpty());
+        Map levelResult = ipfs.log.level("all", "info");
+        Assert.assertTrue("Log level", ((String)levelResult.get("Message")).startsWith("Changed log level"));
+    }
+    
     @Test
     public void ipldNode() {
         Function<Stream<Pair<String, CborObject>>, CborObject.CborMap> map =