/** Load engine plugin */
MRCP_DECLARE(mrcp_engine_t*) mrcp_engine_loader_plugin_load(mrcp_engine_loader_t *loader, const char *path, const char *name)
{
apr_dso_handle_t *plugin = NULL;
mrcp_plugin_creator_f plugin_creator = NULL;
mrcp_engine_t *engine = NULL;
if(!path || !name) {
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Failed to Load Plugin: invalid params");
return NULL;
}
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Load Plugin [%s] [%s]",path,name);
if(apr_dso_load(&plugin,path,loader->pool) != APR_SUCCESS) {
char derr[512] = "";
apr_dso_error(plugin,derr,sizeof(derr));
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Failed to Load DSO: %s", derr);
return NULL;
}
if(plugin_version_load(plugin) != TRUE) {
apr_dso_unload(plugin);
return NULL;
}
plugin_creator = plugin_creator_load(plugin);
if(!plugin_creator) {
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"No Entry Point Found for Plugin");
apr_dso_unload(plugin);
return NULL;
}
plugin_logger_load(plugin);
apr_hash_set(loader->plugins,name,APR_HASH_KEY_STRING,plugin);
engine = plugin_creator(loader->pool);
if(!engine) {
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Failed to Create MRCP Engine");
}
return engine;
}
/** Register resource engine plugin */
MRCP_DECLARE(apt_bool_t) mrcp_server_plugin_register(mrcp_server_t *server, const char *path, const char *name)
{
apr_dso_handle_t *plugin = NULL;
apr_dso_handle_sym_t func_handle = NULL;
apt_bool_t dso_err = FALSE;
mrcp_plugin_creator_f plugin_creator = NULL;
mrcp_resource_engine_t *engine;
if(!path || !name) {
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Failed to Register Plugin: no name");
return FALSE;
}
apt_log(APT_LOG_MARK,APT_PRIO_INFO,"Register Plugin [%s] [%s]",path,name);
if(apr_dso_load(&plugin,path,server->pool) == APR_SUCCESS) {
if(apr_dso_sym(&func_handle,plugin,MRCP_PLUGIN_SYM_NAME) == APR_SUCCESS) {
if(func_handle) {
plugin_creator = (mrcp_plugin_creator_f)(intptr_t)func_handle;
}
}
else {
dso_err = TRUE;
}
}
else {
dso_err = TRUE;
}
if(dso_err == TRUE) {
char derr[512] = "";
apr_dso_error(plugin,derr,sizeof(derr));
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Failed to Load DSO Symbol: %s", derr);
apr_dso_unload(plugin);
return FALSE;
}
if(!plugin_creator) {
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"No Entry Point Found for Plugin");
apr_dso_unload(plugin);
return FALSE;
}
engine = plugin_creator(server->pool);
if(!engine) {
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Null Resource Engine");
apr_dso_unload(plugin);
return FALSE;
}
if(!mrcp_plugin_version_check(&engine->plugin_version)) {
apt_log(APT_LOG_MARK,APT_PRIO_WARNING,"Incompatible Plugin Version [%d.%d.%d] < ["PLUGIN_VERSION_STRING"]",
engine->plugin_version.major,
engine->plugin_version.minor,
engine->plugin_version.patch);
apr_dso_unload(plugin);
return FALSE;
}
mrcp_server_resource_engine_register(server,engine,name);
apr_hash_set(server->plugin_table,name,APR_HASH_KEY_STRING,plugin);
return TRUE;
}
