prepare old hostnamed.c code for use through proper generated gdbus interface code
[systembsd.git] / src / interfaces / hostnamed / hostnamed.c
index f41892d9991b6f4220c458920302d08d03561756..e5155333a3ef46b26f1c61e34bab503241d57a4f 100644 (file)
@@ -1,9 +1,25 @@
+#include <unistd.h>
+#include <limits.h>
 #include <gio/gio.h>
-#include "hostnamed.h"
 
-GMainLoop *loop;
+#include "src/interfaces/hostnamed/hostnamed-gen.c"
+
 GDBusNodeInfo *spect_data;
 
+/* handled by codegen
+static gchar *hostname;
+static gchar *pretty_hostname;
+static gchar *static_hostname;
+static gchar *icon_name;
+static gchar *chassis;
+static gchar *kernel_name;
+static gchar *kernel_release;
+static gchar *kernel_version;
+static gchar *os_prettyname;
+static gchar *os_cpe;         //common platform enumeration string
+*/
+
+/* handled by codegen
 static void handle_method_call(GDBusConnection *conn,
                                                           const gchar *sender,
                                                           const gchar *obj_path,
@@ -13,19 +29,21 @@ static void handle_method_call(GDBusConnection *conn,
                                                           GDBusMethodInvocation *invc,
                                                           gpointer usrdat) {
 
-       //g_printf("%s wants to call %s, at %s with interface %s\n", sender, method_name, obj_path, interf_name);
+       if(g_strcmp0(interf_name, "org.freedesktop.DBus.Introspectable") == 0
+               && g_strcmp0(method_name, "Introspect") == 0) {
 
-       if(g_strcmp0(method_name, "Introspect"
-
-       GVariant *xml_ret_gvar;
-       GString  *xml_ret;
+               GVariant *xml_ret_gvar;
+               GString  *xml_ret;
        
-       g_dbus_interface_info_generate_xml(spect_data->interfaces[0], (guint)0, xml_ret);
-       xml_ret_gvar = g_variant_new_string(xml_ret->str);
-       g_dbus_method_invocation_return_value(invc, xml_ret_gvar);
+               g_dbus_interface_info_generate_xml(spect_data->interfaces[0], (guint)0, xml_ret);
+               xml_ret_gvar = g_variant_new_string(xml_ret->str);
+               g_dbus_method_invocation_return_value(invc, xml_ret_gvar);
+       } 
 
 }
+*/
 
+/* handled by codegen
 static GVariant * handle_get_property(GDBusConnection *conn,
                                                                          const gchar *sender,
                                                                          const gchar *obj_path,
@@ -33,12 +51,35 @@ static GVariant * handle_get_property(GDBusConnection *conn,
                                                                          const gchar *prop_name,
                                                                          GError **err,
                                                                          gpointer usr_data) {
-               
-       GVariant *ret;
+       
+       const gchar *our_interf_name = "org.freedesktop.hostname1";
+       const gchar *our_obj_path    = "/org/freedesktop/hostname1";
+
+       if(g_strcmp0(interf_name, our_interf_name) != 0
+               || g_strcmp0(obj_path, our_obj_path) != 0) {
+
+               return NULL; //TODO error
+       }
+
+       if(g_strcmp0(prop_name, "Hostname") == 0)
+               return g_variant_new_string(hostname);
+
+       else if(g_strcmp0(prop_name, "StaticHostname") == 0)
+               return g_variant_new_string(static_hostname);
 
-       return ret;
+       else if(g_strcmp0(prop_name, "PrettyHostname") == 0)
+               return g_variant_new_string(pretty_hostname);
+
+       else if(g_strcmp0(prop_name, "IconName") == 0)
+               return g_variant_new_string(icon_name);
+
+       else 
+               return NULL; //TODO error
+       
 }
+*/
 
+/* handled by codegen
 static gboolean handle_set_property(GDBusConnection *conn,
                                                                        const gchar *sender,
                                                                        const gchar *obj_path,
@@ -53,13 +94,14 @@ static gboolean handle_set_property(GDBusConnection *conn,
                                                                  obj_path,
                                                                  "org.freedesktop.DBus.Properties",
                                                                  "PropertiesChanged",
-                                                                 NULL, /* incorrect */
+                                                                 NULL, //incorrect 
                                                                  NULL);
 
        return TRUE;
 }
+*/
 
-/* "hot" functions initially passed to gdbus */
+/* handled by codegen
 static const GDBusInterfaceVTable interface_vtable =
 {
        handle_method_call,
@@ -67,25 +109,23 @@ static const GDBusInterfaceVTable interface_vtable =
        handle_set_property
 };
 
-/* end method/property functions, begin bus name handlers
- * TODO: these should be intertwined as to handle edge cases
- * for when the system cannot immediately grab the name, as
- * well as cases where the system unintendedly loses the name
- */
+*/
+
 static void on_bus_acquired(GDBusConnection *conn,
                                                        const gchar *name,
                                                        gpointer user_data) {
-       g_print("got bus, name: %s\n", name);
-       
-       guint reg_id;
 
-       reg_id = g_dbus_connection_register_object(conn,
-                                                                                          "/org/freedesktop/hostname1",
-                                                                                          spect_data->interfaces[0], 
-                                                                                          &interface_vtable,
-                                                                                          NULL,
-                                                                                          NULL,
-                                                                                          NULL);
+       GError *err;
+
+       g_print("got bus, name: %s\n", name);   
+
+       //GDBusObjectSkeleton *hostnamed_dbobj = g_dbus_object_skeleton_new("/org/freedesktop/hostname1");
+
+       g_dbus_connection_register_object(conn,
+                                                                         "/org/freedesktop/hostname1",
+                                                                         spect_data->interfaces[0],
+                                                                         &interface_vtable,
+                                                                         NULL, NULL, NULL);
 }
 
 static void on_name_acquired(GDBusConnection *conn,
@@ -99,20 +139,28 @@ static void on_name_lost(GDBusConnection *conn,
                                                 const gchar *name,
                                                 gpointer user_data) {
 
-       g_print("lost name %s, exiting...\n", name);
-       //g_print("you might need to run hacks/punch_config.sh\n");
-       g_main_loop_quit(loop);
+       g_print("lost name %s, exiting...", name);
+       //TODO exit through g_main_loop properly...
+       exit(0);
 }
 
 /* safe call to try and start hostnamed */
 GError * hostnamed_init() {
 
        guint bus_descriptor;
-       GError *err = NULL;     
+       GError *err = NULL;
+       gchar **hostnamed_ispect_xml = g_malloc(3000);
+       gchar  *hostnamed_joined_xml = g_malloc(3000);
+
+       g_file_get_contents("conf/hostnamed-ispect.xml", hostnamed_ispect_xml, NULL, err);
+       hostnamed_joined_xml = g_strjoinv("\n", hostnamed_ispect_xml);
+       spect_data = g_dbus_node_info_new_for_xml(hostnamed_joined_xml, NULL);
 
-       spect_data = g_dbus_node_info_new_for_xml(SYSTEMD_HOSTNAMED_XML, &err);
+       if(!init_props())
+               return err; //TODO error
+       
        bus_descriptor = g_bus_own_name(G_BUS_TYPE_SYSTEM,
-                                       (gchar *)"org.freedesktop.hostname1",
+                                       "org.freedesktop.hostname1",
                                                    G_BUS_NAME_OWNER_FLAGS_NONE,
                                                    on_bus_acquired,
                                                    on_name_acquired,
@@ -120,9 +168,125 @@ GError * hostnamed_init() {
                                                    NULL,
                                                    NULL);
 
-       loop = g_main_loop_new(NULL, FALSE);
-       g_main_loop_run(loop);
-
        //TODO: malloc and return reference as if a main() closed
        return err;
 }
+/* handled by codegen
+gboolean init_props() {
+       
+       if(init_hostname()
+               && init_static_hostname()
+               && init_pretty_hostname()
+               && init_icon_name()
+               && init_chassis()
+               && init_kernel_name()
+               && init_kernel_version()
+               && init_os_name()
+               && init_os_cpe() )
+               return TRUE;
+
+       return FALSE;
+}
+
+//POSIX, for future ports try_hostname should be checked for null-termination
+gboolean init_hostname() {
+
+       gchar try_hostname[HOST_NAME_MAX];
+
+       if(!gethostname(try_hostname, HOST_NAME_MAX)) {
+               hostname = try_hostname;
+               return TRUE;
+       }
+
+       return FALSE;
+}
+*/
+
+/* handled by codegen
+gboolean init_static_hostname() {
+       //TODO
+       return TRUE;
+}
+
+gboolean init_pretty_hostname() {
+       //TODO
+       return TRUE;
+}
+
+gboolean init_icon_name() {
+       //TODO
+       return TRUE;
+}
+
+gboolean init_chassis() {
+       //TODO
+       return TRUE;
+}
+
+gboolean init_kernel_name() {
+       //TODO
+       return TRUE;
+}
+
+gboolean init_kernel_version() {
+       //TODO
+       return TRUE;
+}
+
+gboolean init_os_name() {
+       //TODO
+       return TRUE;
+}
+
+gboolean init_os_cpe() {
+       //TODO
+       return TRUE;
+}
+
+//TODO figure out DMI variables on obsd
+/*static gchar *guess_icon_name() {
+
+    gchar *filebuf = NULL;
+    gchar *ret = NULL;
+
+       //TODO vm check
+
+       #if defined(__i386__) || defined(__x86_64__)
+    /*
+       Taken with a few minor changes from systemd's hostnamed.c,
+       copyright 2011 Lennart Poettering.
+
+       See the SMBIOS Specification 2.7.1 section 7.4.1 for
+       details about the values listed here:
+
+       http://www.dmtf.org/sites/default/files/standards/documents/DSP0134_2.7.1.pdf
+    */   /*
+
+    if (g_file_get_contents ("/sys/class/dmi/id/chassis_type", &filebuf, NULL, NULL)) {
+        switch (g_ascii_strtoull (filebuf, NULL, 10)) {
+        case 0x3:
+        case 0x4:
+        case 0x5:
+        case 0x6:
+        case 0x7:
+            ret = g_strdup ("computer-desktop");
+            goto out;
+        case 0x9:
+        case 0xA:
+        case 0xE:
+            ret = g_strdup ("computer-laptop");
+            goto out;
+        case 0x11:
+        case 0x17:
+        case 0x1C:
+        case 0x1D:
+            ret = g_strdup ("computer-server");
+            goto out;
+        }
+    }
+       #endif
+    ret = g_strdup ("computer");
+  out:
+    g_free (filebuf);
+    return ret;
+}*/