Replace simple callbacks by callchains

This commit is contained in:
Vincent Coubard 2015-11-22 21:14:12 +00:00
parent 57ad533486
commit 2437782636

View file

@ -23,18 +23,23 @@
#include "GattCallbackParamTypes.h"
#include "CallChainOfFunctionPointersWithContext.h"
class GattClient {
public:
typedef void (*ReadCallback_t)(const GattReadCallbackParams *params);
typedef FunctionPointerWithContext<const GattReadCallbackParams*> ReadCallback_t;
typedef CallChainOfFunctionPointersWithContext<const GattReadCallbackParams*> ReadCallbackChain_t;
enum WriteOp_t {
GATT_OP_WRITE_REQ = 0x01, /**< Write request. */
GATT_OP_WRITE_CMD = 0x02, /**< Write command. */
};
typedef void (*WriteCallback_t)(const GattWriteCallbackParams *params);
typedef FunctionPointerWithContext<const GattWriteCallbackParams*> WriteCallback_t;
typedef CallChainOfFunctionPointersWithContext<const GattWriteCallbackParams*> WriteCallbackChain_t;
typedef void (*HVXCallback_t)(const GattHVXCallbackParams *params);
typedef FunctionPointerWithContext<const GattHVXCallbackParams*> HVXCallback_t;
typedef CallChainOfFunctionPointersWithContext<const GattHVXCallbackParams*> HVXCallbackChain_t;
/*
* The following functions are meant to be overridden in the platform-specific sub-class.
@ -244,7 +249,11 @@ public:
* Set up a callback for read response events.
*/
void onDataRead(ReadCallback_t callback) {
onDataReadCallback = callback;
onDataReadCallbackChain.add(callback);
}
ReadCallbackChain_t& onDataRead() {
return onDataReadCallbackChain;
}
/**
@ -252,7 +261,11 @@ public:
* @Note: Write commands (issued using writeWoResponse) don't generate a response.
*/
void onDataWritten(WriteCallback_t callback) {
onDataWriteCallback = callback;
onDataWriteCallbackChain.add(callback);
}
WriteCallbackChain_t& onDataWritten() {
return onDataWriteCallbackChain;
}
/**
@ -281,7 +294,11 @@ public:
* GATT server.
*/
void onHVX(HVXCallback_t callback) {
onHVXCallback = callback;
onHVXCallbackChain.add(callback);
}
HVXCallbackChain_t& onHVX() {
return onHVXCallbackChain;
}
protected:
@ -292,27 +309,23 @@ protected:
/* Entry points for the underlying stack to report events back to the user. */
public:
void processReadResponse(const GattReadCallbackParams *params) {
if (onDataReadCallback) {
onDataReadCallback(params);
}
onDataReadCallbackChain(params);
}
void processWriteResponse(const GattWriteCallbackParams *params) {
if (onDataWriteCallback) {
onDataWriteCallback(params);
}
onDataWriteCallbackChain(params);
}
void processHVXEvent(const GattHVXCallbackParams *params) {
if (onHVXCallback) {
onHVXCallback(params);
if (onHVXCallbackChain) {
onHVXCallbackChain(params);
}
}
protected:
ReadCallback_t onDataReadCallback;
WriteCallback_t onDataWriteCallback;
HVXCallback_t onHVXCallback;
ReadCallbackChain_t onDataReadCallbackChain;
WriteCallbackChain_t onDataWriteCallbackChain;
HVXCallbackChain_t onHVXCallbackChain;
private:
/* Disallow copy and assignment. */