Changeset 5576:a98545bcc3f1 in roaraudio for roard/plugins.c

Timestamp:

07/21/12 16:05:33 (12 years ago)

Author:

phi

Branch:

default

Phase:

public

Message:

Support a common protocol interface (Closes: #257)

File:

• roard/plugins.c (modified) (3 diffs)

roard/plugins.c

@@ -37 +37 @@
 static int _plugins_inited = 0;
 
+static int plugin_callback(enum roar_dl_fnreg_action action, int fn, int subtype, const void * object, size_t objectlen, int version, int options, void * userdata, struct roar_dl_lhandle * lhandle);
+static const struct roar_dl_fnreg _plugin_callbacks = {
+ .fn = -1,
+ .subtype = -1,
+ .version = -1,
+ .callback = plugin_callback,
+ .userdata = NULL
+};
+
 static struct _roard_plugin * _find_free(void) {
  int i;
@@ -115 +124 @@
   return -1;
  }
+
+ roar_dl_register_fn(ROAR_DL_HANDLE_APPLICATION, ROAR_DL_FN_REGFN, ROAR_DL_FNREG_SUBTYPE, &_plugin_callbacks, ROAR_DL_FNREG_SIZE, ROAR_DL_FNREG_VERSION, ROAR_DL_FNREG_OPT_NONE);
 
  for (i = 0; i < MAX_PLUGINS; i++) {
@@ -222 +233 @@
 }
 
+static int plugin_callback(enum roar_dl_fnreg_action action, int fn, int subtype, const void * object, size_t objectlen, int version, int options, void * userdata, struct roar_dl_lhandle * lhandle) {
+
+ ROAR_DBG("plugin_callback(action=%i, fn=%i, subtype=%i, object=%p, objectlen=%llu, version=%i, options=0x%x, userdata=%p, lhandle=%p) = ?", (int)action, fn, subtype, object, (long long unsigned int)objectlen, version, options, userdata, lhandle);
+
+ switch (fn) {
+  case ROAR_DL_FN_PROTO:
+    if ( subtype != ROAR_DL_PROTO_SUBTYPE ) {
+     ROAR_DBG("plugin_callback(action=%i, fn=%i, subtype=%i, object=%p, objectlen=%llu, version=%i, options=0x%x, userdata=%p, lhandle=%p) = -1 // error=TYPEMM", (int)action, fn, subtype, object, (long long unsigned int)objectlen, version, options, userdata, lhandle);
+
+     roar_err_set(ROAR_ERROR_TYPEMM);
+     return -1;
+    }
+    if ( objectlen != ROAR_DL_PROTO_SIZE ) {
+     ROAR_DBG("plugin_callback(action=%i, fn=%i, subtype=%i, object=%p, objectlen=%llu, version=%i, options=0x%x, userdata=%p, lhandle=%p) = -1 // error=BADLIB", (int)action, fn, subtype, object, (long long unsigned int)objectlen, version, options, userdata, lhandle);
+     roar_err_set(ROAR_ERROR_BADLIB);
+     return -1;
+    }
+    if ( version != ROAR_DL_PROTO_VERSION ) {
+     ROAR_DBG("plugin_callback(action=%i, fn=%i, subtype=%i, object=%p, objectlen=%llu, version=%i, options=0x%x, userdata=%p, lhandle=%p) = -1 // error=BADVERSION", (int)action, fn, subtype, object, (long long unsigned int)objectlen, version, options, userdata, lhandle);
+     roar_err_set(ROAR_ERROR_BADVERSION);
+     return -1;
+    }
+    switch (action) {
+     case ROAR_DL_FNREG:
+       return clients_register_proto_common(object, lhandle);
+      break;
+     case ROAR_DL_FNUNREG:
+       return clients_unregister_proto(((const struct roard_proto *)object)->proto);
+      break;
+    }
+   break;
+ }
+
+ ROAR_DBG("plugin_callback(action=%i, fn=%i, subtype=%i, object=%p, objectlen=%llu, version=%i, options=0x%x, userdata=%p, lhandle=%p) = -1 // error=NOTSUP", (int)action, fn, subtype, object, (long long unsigned int)objectlen, version, options, userdata, lhandle);
+ roar_err_set(ROAR_ERROR_NOTSUP);
+ return -1;
+}
+
 //ll