初步完成连接层的调用框架。

interface/tfe_stream.h

@@ -40,47 +40,68 @@ struct tfe_stream
 
 	struct tfe_conn upstream;		
 	struct tfe_conn downstream;
-	void* application_pme;
 };
 
 
+enum tfe_stream_action
+{
+	ACTION_FORWARD_DATA,
+	ACTION_DEFER_DATA,
+	ACTION_DROP_DATA
+};
+enum tfe_stream_action_opt
+{
+	ACTION_OPT_FOWARD_BYTES,	//value is size_t, default: forward entire data
+	ACTION_OPT_DEFER_TIME_TV,	//value is "struct timeval " which defines in <time.h>, default: time defer is not enabled
+	ACTION_OPT_DEFER_BYTES,		//value is size_t, default: defer entire data
+	ACTION_OPT_DROP_BYTES		//value is size_t, default: drop entire data
+};
+enum tfe_stream_close_reason
+{
+	REASON_PASSIVE_CLOSED,
+	REASON_ACTIVE_CLOSED,
+	REASON_ERROR
+};
+int tfe_stream_action_set_opt(const struct tfe_stream* stream,enum tfe_stream_action_opt type, void* value, size_t size);
+/*
+@return 0 if successful, or -1 if an error occurred
+*/
+
+int tfe_stream_write(const struct tfe_stream* stream, enum tfe_conn_dir dir, const unsigned char *data, size_t len);
+
+struct tfe_stream_write_ctx{};
+//following tfe_stream_write_xx functions are NOT thread safe, MUST be called in the stream process thread.
+struct tfe_stream_write_ctx* tfe_stream_write_frag_start(const struct tfe_stream* stream, enum tfe_conn_dir dir);
+/*
+@return 0 if successful, or -1 if an error occurred
+*/
+int tfe_stream_write_frag(struct tfe_stream_write_ctx* w_ctx,const unsigned char *data, size_t size);
+void tfe_stream_write_frag_end(struct tfe_stream_write_ctx* w_ctx);
 //Return 1 for identify as its traffic;
 //Return 0 for unknown traffic;
-typedef int proto_pend_cb_t(const struct tfe_stream* stream, struct evbuffer *data, void **pme);
+typedef tfe_stream_action stream_open_cb_t(const struct tfe_stream* stream, unsigned int thread_id, enum tfe_conn_dir dir, const unsigned char *data, size_t len, void **pme);
+typedef tfe_stream_action stream_data_cb_t(const struct tfe_stream* stream, unsigned int thread_id, enum tfe_conn_dir dir, const unsigned char *data, size_t len, void **pme);
+typedef void stream_close_cb_t(const struct tfe_stream* stream,  unsigned int thread_id, enum tfe_stream_close_reason reason, void **pme);
 
-enum tfe_proto_action
-{
-	PROTO_ATCION_FORWARD,
-	PROTO_ACTION_DEFER,
-	PROTO_ACTION_STEAL,
-	PROTO_ACTION_PASSTHROUGH,
-	PROTO_ACTION_CLOSE
-};
-enum tfe_proto_action_opt
-{
-	ACTION_OPT_DEFER_TIME_TV,	//value is "struct timeval " which defines in <time.h>, default: time defer is not enabled
-	ACTION_OPT_DEFER_BYTES,		//value is size_t, default: defer entire evbufer
-	ACTION_OPT_FOWARD_BYTES,	//value is size_t, default: forward entire evbufer
-	ACTION_OPT_CLOSE_DIR		//value is enum tfe_conn_dir, default: close both side.
-};
-int tfe_proto_action_set_opt(const struct tfe_stream* stream,enum tfe_proto_action_opt type, void* value, size_t size);
-typedef tfe_proto_action proto_read_cb_t(const struct tfe_stream* stream, struct evbuffer *data, enum tfe_conn_dir dir, void **pme);
-
-typedef void proto_close_cb_t(const struct tfe_stream* stream, int ev, void **pme);
+void tfe_stream_detach(const struct tfe_stream* stream);
+int tfe_stream_preempt(const struct tfe_stream* stream);
 
+int stream_shutdown(const struct tfe_stream* stream);//close both sides of the stream.
+int stream_shutdown_dir(const struct tfe_stream* stream, enum tfe_conn_dir dir);
 //typedef int proto_onwrite_cb_t(struct tfe_stream*, struct evbuffer *data, void **pme);
 
-struct tfe_proto_module
+struct tfe_plugin
 {
 	char symbol[TFE_SYMBOL_MAX];
-	proto_pend_cb_t *on_pend;
-	proto_read_cb_t *on_read;
-	proto_close_cb_t *on_close;
+	enum tfe_app_proto proto;
+	stream_open_cb_t* on_open;
+	stream_data_cb_t* on_data;
+	stream_close_cb_t* on_close;
 //	proto_onwrite_cb_t *onwrite;
 	
 };
 int tfe_io_write(struct pxy_conn_desc* dest,int dir,struct evbuffer *data);
 
-int tfe_xxx_proto_init(struct tfe_proto_module*m);
+int tfe_xxx_proto_init(struct tfe_plugin*m);