void load_helper_modules (void)
{
SCIM_DEBUG_MAIN (1) << "load_helper_modules ()\n";
std::vector <String> mod_list;
scim_get_helper_module_list (mod_list);
if (mod_list.size ()) {
HelperModule module;
for (size_t i = 0; i < mod_list.size (); ++i) {
SCIM_DEBUG_MAIN (2) << " Load module: " << mod_list [i] << "\n";
if (module.load (mod_list [i]) && module.valid ()) {
HelperInfo info;
size_t num = module.number_of_helpers ();
SCIM_DEBUG_MAIN (2) << " Find " << num << " Helpers:\n";
for (size_t j = 0; j < num; ++j) {
if (module.get_helper_info (j, info)) {
SCIM_DEBUG_MAIN (3) << " " << info.uuid << ": " << info.name << "\n";
__helpers.push_back ( std::make_pair (info, mod_list [i]) );
}
}
}
module.unload ();
}
}
}
void get_helper_list (const Socket &client)
{
HelperRepository::iterator it = __helpers.begin ();
__send_trans.clear ();
__send_trans.put_command (SCIM_TRANS_CMD_REPLY);
__send_trans.put_data ((uint32)__helpers.size ());
for (; it != __helpers.end (); ++it) {
__send_trans.put_data (it->first.uuid);
__send_trans.put_data (it->first.name);
__send_trans.put_data (it->first.icon);
__send_trans.put_data (it->first.description);
__send_trans.put_data (it->first.option);
}
__send_trans.write_to_socket (client);
}
void load_helper_modules (void)
{
SCIM_DEBUG_MAIN (1) << "load_helper_modules ()\n";
std::vector <String> mod_list;
scim_get_helper_module_list (mod_list);
// NOTE on FreeBSD if some module is loaded and unloaded right away here the following module crashes for some unknown reason
// seems like some damage is being done by module.unload();
// so I added a workaround: have an array of modules and unload them all together in the end only.
// TODO Need to figure out what's going on with this issue.
if (mod_list.size ()) {
HelperModule *module = new HelperModule[mod_list.size ()];
for (size_t i = 0; i < mod_list.size (); ++i) {
SCIM_DEBUG_MAIN (2) << " Load module: " << mod_list [i] << "\n";
if (module[i].load (mod_list [i]) && module[i].valid ()) {
HelperInfo info;
size_t num = module[i].number_of_helpers ();
SCIM_DEBUG_MAIN (2) << " Find " << num << " Helpers:\n";
for (size_t j = 0; j < num; ++j) {
if (module[i].get_helper_info (j, info)) {
SCIM_DEBUG_MAIN (3) << " " << info.uuid << ": " << info.name << "\n";
__helpers.push_back ( std::make_pair (info, mod_list [i]) );
}
}
}
}
for (size_t i = 0; i < mod_list.size (); ++i) {
module[i].unload ();
}
delete[] module;
}
}
void run_helper (const String &uuid, const String &config, const String &display)
{
SCIM_DEBUG_MAIN(1) << "run_helper (" << uuid << "," << config << "," << display << ")\n";
for (size_t i = 0; i < __helpers.size (); ++i) {
if (__helpers [i].first.uuid == uuid && __helpers [i].second.length ()) {
int pid;
pid = fork ();
if (pid < 0) return;
if (pid == 0) {
char * argv [] = { SCIM_HELPER_LAUNCHER_PROGRAM,
"--daemon",
"--config", const_cast<char*> (config.c_str ()),
"--display", const_cast<char*> (display.c_str ()),
const_cast<char*> (__helpers [i].second.c_str ()),
const_cast<char*> (__helpers [i].first.uuid.c_str ()),
0};
SCIM_DEBUG_MAIN(2) << " Call scim-helper-launcher.\n";
execv (SCIM_HELPER_LAUNCHER_PROGRAM, argv);
exit (-1);
}
int status;
waitpid (pid, &status, 0);
break;
}
}
SCIM_DEBUG_MAIN(2) << " exit run_helper ().\n";
}