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#include <string.h>
#define DBUS_API_SUBJECT_TO_CHANGE
#include <dbus/dbus.h>
#include <dbus/dbus-glib.h>
#include <dbus/dbus-glib-lowlevel.h>
#include "config.h"
#include "main.h"
#include "navit.h"
#include "coord.h"
#include "plugin.h"
#include "debug.h"
static DBusConnection *connection;
static char *service_name="org.navit-project.navit";
static char *object_path="/org/navit_project/navit";
GHashTable *object_hash;
GHashTable *object_count;
static char *
object_new(char *type, void *object)
{
int id;
char *ret;
dbg(0,"enter %s\n", type);
id=(int)g_hash_table_lookup(object_count, type);
g_hash_table_insert(object_count, type, (void *)(id+1));
ret=g_strdup_printf("%s/%s/%d", object_path, type, id);
g_hash_table_insert(object_hash, ret, object);
dbg(0,"return %s\n", ret);
return (ret);
}
static void *
object_get(const char *path)
{
return g_hash_table_lookup(object_hash, path);
}
static void *
object_get_from_message_arg(DBusMessage *message, char *type)
{
char *opath;
char *prefix;
DBusError error;
void *ret=NULL;
dbus_error_init(&error);
if (!dbus_message_get_args(message, &error, DBUS_TYPE_OBJECT_PATH, &opath, DBUS_TYPE_INVALID)) {
dbus_error_free(&error);
dbg(0,"wrong arg type\n");
return NULL;
}
prefix=g_strdup_printf("%s/%s/", object_path, type);
if (!strncmp(prefix, opath, strlen(prefix)))
ret=object_get(opath);
else
dbg(0,"wrong object type\n");
g_free(prefix);
return ret;
}
static void *
object_get_from_message(DBusMessage *message, char *type)
{
const char *opath=dbus_message_get_path(message);
char *prefix;
void *ret=NULL;
prefix=g_strdup_printf("%s/%s/", object_path, type);
if (!strncmp(prefix, opath, strlen(prefix)))
ret=object_get(opath);
else
dbg(0,"wrong object type\n");
g_free(prefix);
return ret;
}
static DBusHandlerResult
empty_reply(DBusConnection *connection, DBusMessage *message)
{
DBusMessage *reply;
reply = dbus_message_new_method_return(message);
dbus_connection_send (connection, reply, NULL);
dbus_message_unref (reply);
return DBUS_HANDLER_RESULT_HANDLED;
}
static DBusHandlerResult
request_main_get_navit(DBusConnection *connection, DBusMessage *message)
{
DBusMessage *reply;
DBusError error;
struct iter *iter;
struct navit *navit;
char *opath;
dbus_error_init(&error);
if (!dbus_message_get_args(message, &error, DBUS_TYPE_OBJECT_PATH, &opath, DBUS_TYPE_INVALID)) {
dbg(0,"Error parsing\n");
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
dbg(0,"opath=%s\n", opath);
iter=object_get(opath);
navit=main_get_navit(iter);
if (navit) {
reply = dbus_message_new_method_return(message);
opath=object_new("navit",navit);
dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH, &opath, DBUS_TYPE_INVALID);
dbus_connection_send (connection, reply, NULL);
dbus_message_unref (reply);
return DBUS_HANDLER_RESULT_HANDLED;
}
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
static DBusHandlerResult
request_main_iter(DBusConnection *connection, DBusMessage *message)
{
DBusMessage *reply;
struct iter *iter=main_iter_new();
dbg(0,"iter=%p\n", iter);
char *opath=object_new("main_iter",iter);
reply = dbus_message_new_method_return(message);
dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH, &opath, DBUS_TYPE_INVALID);
dbus_connection_send (connection, reply, NULL);
dbus_message_unref (reply);
return DBUS_HANDLER_RESULT_HANDLED;
}
static DBusHandlerResult
request_main_iter_destroy(DBusConnection *connection, DBusMessage *message)
{
struct iter *iter;
iter=object_get_from_message_arg(message, "main_iter");
if (! iter)
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
main_iter_destroy(iter);
return empty_reply(connection, message);
}
static int
pcoord_get_from_message(DBusMessage *message, struct pcoord *pc)
{
DBusMessageIter iter,iter2;
dbus_message_iter_init(message, &iter);
dbg(0,"%s\n", dbus_message_iter_get_signature(&iter));
dbus_message_iter_recurse(&iter, &iter2);
if (dbus_message_iter_get_arg_type(&iter2) != DBUS_TYPE_INT32)
return 0;
dbus_message_iter_get_basic(&iter2, &pc->pro);
dbus_message_iter_next(&iter2);
if (dbus_message_iter_get_arg_type(&iter2) != DBUS_TYPE_INT32)
return 0;
dbus_message_iter_get_basic(&iter2, &pc->x);
dbus_message_iter_next(&iter2);
if (dbus_message_iter_get_arg_type(&iter2) != DBUS_TYPE_INT32)
return 0;
dbus_message_iter_get_basic(&iter2, &pc->y);
dbus_message_iter_next(&iter2);
if (dbus_message_iter_get_arg_type(&iter2) != DBUS_TYPE_INVALID)
return 0;
return 1;
}
static DBusHandlerResult
request_navit_set_center(DBusConnection *connection, DBusMessage *message)
{
struct pcoord pc;
struct navit *navit;
navit=object_get_from_message(message, "navit");
if (! navit)
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
if (!pcoord_get_from_message(message, &pc))
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
navit_set_center(navit, &pc);
return empty_reply(connection, message);
}
static DBusHandlerResult
navit_handler_func(DBusConnection *connection, DBusMessage *message, void *user_data)
{
dbg(0,"type=%s interface=%s path=%s member=%s signature=%s\n", dbus_message_type_to_string(dbus_message_get_type(message)), dbus_message_get_interface(message), dbus_message_get_path(message), dbus_message_get_member(message), dbus_message_get_signature(message));
#if 0
if (dbus_message_is_method_call (message, "org.freedesktop.DBus.Introspectable", "Introspect")) {
DBusMessage *reply;
gchar *idata;
dbg(0,"Introspect\n");
if (! strcmp(dbus_message_get_path(message), "/org/navit_project/navit")) {
g_file_get_contents("binding/dbus/navit.introspect", &idata, NULL, NULL);
reply = dbus_message_new_method_return(message);
dbus_message_append_args(reply, DBUS_TYPE_STRING, &idata, DBUS_TYPE_INVALID);
dbus_connection_send (connection, reply, NULL);
dbus_message_unref (reply);
g_free(idata);
return DBUS_HANDLER_RESULT_HANDLED;
}
}
#endif
if (dbus_message_is_method_call (message, "org.navit_project.navit", "iter") &&
dbus_message_has_signature(message, ""))
return request_main_iter(connection, message);
if (dbus_message_is_method_call (message, "org.navit_project.navit", "iter_destroy") &&
dbus_message_has_signature(message, "o"))
return request_main_iter_destroy(connection, message);
if (dbus_message_is_method_call (message, "org.navit_project.navit", "get_navit") &&
dbus_message_has_signature(message,"o"))
return request_main_get_navit(connection, message);
if (dbus_message_is_method_call (message, "org.navit_project.navit.navit", "set_center") &&
dbus_message_has_signature(message,"(iii)"))
return request_navit_set_center(connection, message);
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
static DBusObjectPathVTable dbus_navit_vtable = {
NULL,
navit_handler_func,
NULL
};
#if 0
DBusHandlerResult
filter(DBusConnection *connection, DBusMessage *message, void *user_data)
{
dbg(0,"type=%s interface=%s path=%s member=%s signature=%s\n", dbus_message_type_to_string(dbus_message_get_type(message)), dbus_message_get_interface(message), dbus_message_get_path(message), dbus_message_get_member(message), dbus_message_get_signature(message));
if (dbus_message_is_signal(message, DBUS_INTERFACE_DBUS, "NameOwnerChanged")) {
}
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
#endif
void plugin_init(void)
{
DBusError error;
object_hash=g_hash_table_new(g_str_hash, g_str_equal);
object_count=g_hash_table_new(g_str_hash, g_str_equal);
dbg(0,"enter 1\n");
dbus_error_init(&error);
connection = dbus_bus_get(DBUS_BUS_SESSION, &error);
if (!connection) {
dbg(0,"Failed to open connection to session message bus: %s", error.message);
dbus_error_free(&error);
return;
}
dbus_connection_setup_with_g_main(connection, NULL);
#if 0
dbus_connection_add_filter(connection, filter, NULL, NULL);
dbus_bus_add_match(connection, "type='signal',""interface='" DBUS_INTERFACE_DBUS "'", &error);
#endif
dbus_connection_register_fallback(connection, object_path, &dbus_navit_vtable, NULL);
dbus_bus_request_name(connection, service_name, 0, &error);
if (dbus_error_is_set(&error)) {
dbg(0,"Failed to request name: %s", error.message);
dbus_error_free (&error);
}
}
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