who bindings

bindings/java/src/jni/generate.pl

@@ -740,7 +740,28 @@ my %classes = (
          plat => 'L'
       },
     ],
-
+    Who => [
+      {
+         name => 'user', type => 'String',
+         desc => '',
+         plat => ''
+      },
+      {
+         name => 'device', type => 'String',
+         desc => '',
+         plat => ''
+      },
+      {
+         name => 'host', type => 'String',
+         desc => '',
+         plat => ''
+      },
+      {
+         name => 'time', type => 'Long',
+         desc => '',
+         plat => ''
+      },
+    ],
 );
 
 my %cmds = (
@@ -1013,7 +1034,7 @@ EOF
 my %has_name_arg = map { $_, 1 } qw(FileSystemUsage FileAttrs DirStat
                                     NetInterfaceConfig NetInterfaceStat);
 my %proc_no_arg = map { $_, 1 } qw(stat);
-my %get_not_impl = map { $_, 1 } qw(net_route net_connection
+my %get_not_impl = map { $_, 1 } qw(net_route net_connection who
                                     cpu_info file_system); #list funcs only
 
 my %field_cache;

bindings/java/src/jni/javasigar.c

@@ -760,6 +760,37 @@ JNIEXPORT jstring SIGAR_JNI(NetConnection_getTypeString)
                               sigar_net_connection_type_get(type));
 }
 
+JNIEXPORT jobjectArray SIGAR_JNI(Sigar_getWhoList)
+(JNIEnv *env, jobject sigar_obj)
+{
+    int status;
+    unsigned int i;
+    sigar_who_list_t wholist;
+    jobjectArray whoarray;
+    jclass cls = SIGAR_FIND_CLASS("Who");
+    dSIGAR(NULL);
+
+    if ((status = sigar_who_list_get(sigar, &wholist)) != SIGAR_OK) {
+        sigar_throw_error(env, jsigar, status);
+        return NULL;
+    }
+
+    JAVA_SIGAR_INIT_FIELDS_WHO(cls);
+
+    whoarray = JENV->NewObjectArray(env, wholist.number, cls, 0);
+
+    for (i=0; i<wholist.number; i++) {
+        jobject info_obj = JENV->AllocObject(env, cls);
+        JAVA_SIGAR_SET_FIELDS_WHO(cls, info_obj,
+                                  wholist.data[i]);
+        JENV->SetObjectArrayElement(env, whoarray, i, info_obj);
+    }
+
+    sigar_who_list_destroy(sigar, &wholist);
+
+    return whoarray;
+}
+
 /* XXX perhaps it would be better to duplicate these strings
  * in java land as static final so we dont create a new String
  * everytime.