//-------------------------------------------------------------------------------------------------------
// DATE: January 10 2014
// AUTHOR: RAMZI CHENNAFI
//
// FUNCTION: void Main_OnCommand(HWND hwnd, int id, HWND hwndCtl, UINT codeNotify)
// RETURNS: Nothing
// DESCRIPTION:
// Deals with menu items and handles messages that are sent by the "OK" buttons.
// NOTES:
// OK buttons cause the respective resolution relevant to that button.
//-------------------------------------------------------------------------------------------------------
void Main_OnCommand(HWND hwnd, int id, HWND hwndCtl, UINT codeNotify){
switch (id)
{
case IDM_ABOUT:
DialogBox(hInst, MAKEINTRESOURCE(IDD_ABOUTBOX), hwnd, About);
break;
case ID_CLEAR:
SendMessage(GetDlgItem(hwnd, ID_EDIT_BOX), LB_RESETCONTENT, 0, 0);
break;
case IDB_OK_IP:
resolve_IP(hwnd);
break;
case IDB_OK_HST:
resolve_host(hwnd);
break;
case IDB_PRT_OK:
resolve_port(hwnd);
break;
case IDB_SRV_OK:
resolve_service(hwnd);
break;
case IDM_EXIT:
DestroyWindow(hwnd);
break;
}
}
/** Prepare the conninfo string to connect to the Postgresql server.
*
* \param host server hostname
* \param port server port or service name
* \param user username
* \param pass password
* \param extra_conninfo additional connection parameters
* \return a dynamically allocated MString containing the connection information; the caller must take care of freeing it
*
* \see mstring_delete
*/
static MString *psql_prepare_conninfo(const char *database, const char *host, const char *port, const char *user, const char *pass, const char *extra_conninfo)
{
MString *conninfo;
int portnum;
portnum = resolve_service(port, 5432);
conninfo = mstring_create();
mstring_sprintf (conninfo, "host='%s' port='%d' user='******' password='******' dbname='%s' %s",
host, portnum, user, pass, database, extra_conninfo);
return conninfo;
}
void signal_ServiceBrowser_item(char *path){
DBusMessage* msg;
DBusMessageIter args;
DBusConnection* conn;
DBusError err;
dbus_error_init(&err);
conn = dbus_bus_get(DBUS_BUS_SYSTEM, &err);
if (dbus_error_is_set(&err)) {
fprintf(stderr, "Connection Error (%s)\n", err.message);
dbus_error_free(&err);
}
if (NULL == conn) {
exit(1);
}
gchar* filter_itemnew = g_new(gchar, strlen("type='signal',interface='org.freedesktop.Avahi.ServiceBrowser',member='ItemNew', path=''") + strlen(path) + 2);
sprintf(filter_itemnew, "type='signal',interface='org.freedesktop.Avahi.ServiceBrowser',member='ItemNew', path='%s'", path);
gchar* filter_itemremove = g_new(gchar, strlen("type='signal',interface='org.freedesktop.Avahi.ServiceBrowser',member='ItemRemove', path=''") + strlen(path) + 2);
sprintf(filter_itemremove, "type='signal',interface='org.freedesktop.Avahi.ServiceBrowser',member='ItemRemove', path='%s'", path);
//printf("signal_filter:%s", signal_filter);
// add a rule for which messages we want to see
dbus_bus_add_match(conn, filter_itemnew, &err);
dbus_bus_add_match(conn, filter_itemremove, &err);
dbus_connection_flush(conn);
if (dbus_error_is_set(&err)) {
fprintf(stderr, "Match Error (%s)\n", err.message);
exit(1);
}
printf("Match rule sent\n");
int interface;
int protocol;
char *name;
char *stype;
char *domain;
unsigned int flags;
//int cnt = 0;
// loop listening for signals being emmitted
while (true) {
// non blocking read of the next available message
dbus_connection_read_write(conn, 0);
msg = dbus_connection_pop_message(conn);
// loop again if we haven't read a message
if (NULL == msg) {
//g_message("cnt: %d", cnt++);
sleep(1);
continue;
}
// check if the message is a signal from the correct interface and with the correct name
if (dbus_message_is_signal(msg, "org.freedesktop.Avahi.ServiceBrowser", "ItemNew")) {
// read the parameters
//g_message("is the message we need.%d", cnt++);
//g_message("Message Has No Parameters\n");
if (!dbus_message_iter_init(msg, &args))
g_message("dbus_message_iter_init fail\n");
else
{
if (DBUS_TYPE_INT32 != dbus_message_iter_get_arg_type(&args))
g_message( "Argument is not error!\n");
else
dbus_message_iter_get_basic(&args, &interface);
if (!dbus_message_iter_next(&args))
g_message( "Message has too few arguments!\n");
else if (DBUS_TYPE_INT32 != dbus_message_iter_get_arg_type(&args))
g_message("Argument is not error!\n");
else
dbus_message_iter_get_basic(&args, &protocol);
if (!dbus_message_iter_next(&args))
g_message("Message has too few arguments!\n");
else if (DBUS_TYPE_STRING != dbus_message_iter_get_arg_type(&args))
g_message("Argument is not error!\n");
else
dbus_message_iter_get_basic(&args, &name);
if (!dbus_message_iter_next(&args))
g_message("Message has too few arguments!\n");
else if (DBUS_TYPE_STRING != dbus_message_iter_get_arg_type(&args))
g_message("Argument is not error!\n");
else
dbus_message_iter_get_basic(&args, &stype);
if (!dbus_message_iter_next(&args))
g_message("Message has too few arguments!\n");
else if (DBUS_TYPE_STRING != dbus_message_iter_get_arg_type(&args))
g_message("Argument is not error!\n");
else
dbus_message_iter_get_basic(&args, &domain);
if (!dbus_message_iter_next(&args))
g_message("Message has too few arguments!\n");
else if (DBUS_TYPE_UINT32 != dbus_message_iter_get_arg_type(&args))
g_message("Argument is not error!\n");
else
dbus_message_iter_get_basic(&args, &flags);
printf("\n");
printf("discovered:%d, %d, %s, %s, %s, %d.\n", interface, protocol, name, stype, domain, flags);
resolve_service(interface, protocol, name, stype, domain);
//printf("Got Signal with value %s\n", sigvalue);
}
}else if(dbus_message_is_signal(msg, "org.freedesktop.Avahi.ServiceBrowser", "ItemRemove")){
if (!dbus_message_iter_init(msg, &args))
g_message("dbus_message_iter_init fail\n");
else
{
if (DBUS_TYPE_INT32 != dbus_message_iter_get_arg_type(&args))
g_message( "Argument is not error!\n");
else
dbus_message_iter_get_basic(&args, &interface);
if (!dbus_message_iter_next(&args))
g_message( "Message has too few arguments!\n");
else if (DBUS_TYPE_INT32 != dbus_message_iter_get_arg_type(&args))
g_message("Argument is not error!\n");
else
dbus_message_iter_get_basic(&args, &protocol);
if (!dbus_message_iter_next(&args))
g_message("Message has too few arguments!\n");
else if (DBUS_TYPE_STRING != dbus_message_iter_get_arg_type(&args))
g_message("Argument is not error!\n");
else
dbus_message_iter_get_basic(&args, &name);
if (!dbus_message_iter_next(&args))
g_message("Message has too few arguments!\n");
else if (DBUS_TYPE_STRING != dbus_message_iter_get_arg_type(&args))
g_message("Argument is not error!\n");
else
dbus_message_iter_get_basic(&args, &stype);
if (!dbus_message_iter_next(&args))
g_message("Message has too few arguments!\n");
else if (DBUS_TYPE_STRING != dbus_message_iter_get_arg_type(&args))
g_message("Argument is not error!\n");
else
dbus_message_iter_get_basic(&args, &domain);
if (!dbus_message_iter_next(&args))
g_message("Message has too few arguments!\n");
else if (DBUS_TYPE_UINT32 != dbus_message_iter_get_arg_type(&args))
g_message("Argument is not error!\n");
else
dbus_message_iter_get_basic(&args, &flags);
printf("\n");
printf("removed:%d, %d, %s, %s, %s, %d.\n", interface, protocol, name, stype, domain, flags);
//resolve_service(interface, protocol, name, stype, domain);
//printf("Got Signal with value %s\n", sigvalue);
}
}
// free the message
dbus_message_unref(msg);
}
}
/** Build a URI for this database.
*
* \param db Database object
* \param uri output string buffer
* \param size length of uri
* \return uri on success, NULL otherwise (e.g., uri buffer too small)
*/
char* psql_get_uri(Database *db, char *uri, size_t size)
{
if(snprintf(uri, size, "postgresql://%s@%s:%d/%s", pg_user, pg_host, resolve_service(pg_port, 5432), db->name) >= size)
return NULL;
return uri;
}
