Integration with Alsa HookPlugin is now working.

1 files changed, 146 insertions, 0 deletions

diff --git a/ctl-binding.h b/ctl-binding.h
new file mode 100644
index 0000000..a1c7ef2
--- /dev/null
+++ b/ctl-binding.h
@@ -0,0 +1,146 @@
+/*
+ * Copyright (C) 2016 "IoT.bzh"
+ * Author Fulup Ar Foll <fulup@iot.bzh>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+#ifndef CONTROLLER_BINDING_INCLUDE
+#define CONTROLLER_BINDING_INCLUDE
+
+#define AFB_BINDING_VERSION 2
+#include <afb/afb-binding.h>
+#include <json-c/json.h>
+#include <filescan-utils.h>
+#include <wrap-json.h>
+#include <systemd/sd-event.h>
+
+
+#ifdef CONTROL_SUPPORT_LUA
+#include "lua.h"
+#include "lauxlib.h"
+#include "lualib.h"
+#endif
+
+#ifndef PUBLIC
+  #define PUBLIC
+#endif
+#define STATIC static
+
+#ifndef UNUSED_ARG
+#define UNUSED_ARG(x) UNUSED_ ## x __attribute__((__unused__))
+#define UNUSED_FUNCTION(x) __attribute__((__unused__)) UNUSED_ ## x
+#endif
+
+// polctl-binding.c
+PUBLIC int CtlBindingInit ();
+
+// ctl-timerevt.c
+// ----------------------
+typedef int (*timerCallbackT)(void *context);
+
+typedef struct TimerHandleS {
+    int count;
+    int delay;
+    const char*label;
+    void *context;
+    timerCallbackT callback;
+    sd_event_source *evtSource;
+} TimerHandleT;
+
+PUBLIC int TimerEvtInit (void);
+PUBLIC afb_event TimerEvtGet(void);
+PUBLIC void TimerEvtStart(TimerHandleT *timerHandle, timerCallbackT callback, void *context);
+PUBLIC void TimerEvtStop(TimerHandleT *timerHandle);
+
+// ctl-policy
+// -----------
+
+typedef enum {
+    CTL_MODE_NONE=0,
+    CTL_MODE_API,
+    CTL_MODE_CB,
+    CTL_MODE_LUA,        
+} CtlRequestModeT;
+
+
+typedef enum {
+    CTL_SOURCE_CLOSE=-1,
+    CTL_SOURCE_UNKNOWN=0,
+    CTL_SOURCE_ONLOAD=1,
+    CTL_SOURCE_OPEN=2,
+    CTL_SOURCE_EVENT=3,
+} DispatchSourceT;
+
+typedef struct DispatchActionS{
+    const char *info;
+    const char* label;
+    CtlRequestModeT mode;
+    const char* api;
+    const char* call;
+    json_object *argsJ;
+    int timeout;
+    int (*actionCB)(DispatchSourceT source, const char*label,  json_object *argsJ, json_object *queryJ, void *context);
+} DispatchActionT;
+
+typedef int (*Lua2cFunctionT)(char *funcname, json_object *argsJ, void*context);
+
+PUBLIC int  DispatchInit(void);
+PUBLIC int DispatchOnLoad(const char *onLoadLabel);
+PUBLIC void DispatchOneEvent(const char *evtLabel, json_object *eventJ);
+PUBLIC int DispatchOneL2c(lua_State* luaState, char *funcname, Lua2cFunctionT callback);
+PUBLIC void ctlapi_dispatch (afb_req request);
+
+#ifdef CONTROL_SUPPORT_LUA
+// ctl-lua.c
+typedef int (*Lua2cWrapperT) (lua_State* luaState, char *funcname, Lua2cFunctionT callback);
+
+#define CTLP_LUA2C(FuncName, label,argsJ, context) static int FuncName(char*label,json_object*argsJ, void*context);\
+        int lua2c_ ## FuncName(lua_State* luaState){return((*Lua2cWrap)(luaState, MACRO_STR_VALUE(FuncName), FuncName));};\
+        static int FuncName(char* label, json_object* argsJ, void* context)
+
+typedef enum {
+    LUA_DOCALL,
+    LUA_DOSTRING,
+    LUA_DOSCRIPT,
+} LuaDoActionT;
+
+PUBLIC int LuaLibInit ();
+PUBLIC void LuaL2cNewLib(const char *label, luaL_Reg *l2cFunc, int count);
+PUBLIC int Lua2cWrapper(lua_State* luaState, char *funcname, Lua2cFunctionT callback, void *context);
+PUBLIC int LuaCallFunc (DispatchSourceT source, DispatchActionT *action, json_object *queryJ) ;
+PUBLIC void ctlapi_lua_docall (afb_req request);
+PUBLIC void ctlapi_lua_dostring (afb_req request);
+PUBLIC void ctlapi_lua_doscript (afb_req request);
+
+#else
+ typedef void* Lua2cWrapperT;
+#endif // CONTROL_SUPPORT_LUA
+
+
+// sharelib ctl-plugin*
+typedef struct {
+  long  magic;  
+  char *label;  
+} CtlPluginMagicT;
+
+
+#define MACRO_STR_VALUE(arg) #arg
+#define CTLP_REGISTER(pluglabel) CtlPluginMagicT CtlPluginMagic={.magic=CTL_PLUGIN_MAGIC,.label=pluglabel}; struct afb_binding_data_v2; Lua2cWrapperT Lua2cWrap;
+#define CTLP_ONLOAD(label,version,info) void* CtlPluginOnload(char* label, char* version, char* info) 
+#define CTLP_CAPI(funcname,source, label,argsJ, queryJ, context) int funcname(DispatchSourceT source, char* label, json_object* argsJ, json_object* queryJ, void* context)
+
+
+
+#endif // CONTROLLER_BINDING_INCLUDE