Pass read and write calls to the protocol handlers as well, moving the default

of returning B_ERROR to the ProtocolHandler base class. Not used yet, but will
be used for the BJoystick <-> JoystickProtocolHandler.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@41835 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/add-ons/kernel/drivers/input/usb_hid/Driver.cpp

@@ -206,21 +206,25 @@ usb_hid_open(const char *name, uint32 flags, void **_cookie)
 
 
 static status_t
-usb_hid_read(void *cookie, off_t position, void *buffer, size_t *numBytes)
+usb_hid_read(void *_cookie, off_t position, void *buffer, size_t *numBytes)
 {
-	TRACE_ALWAYS("read on hid device\n");
+	device_cookie *cookie = (device_cookie *)_cookie;
-	*numBytes = 0;
+
-	return B_ERROR;
+	TRACE("read(%p, %llu, %p, %p (%lu)\n", cookie, position, buffer, numBytes,
+		numBytes != NULL ? *numBytes : 0);
+	return cookie->handler->Read(&cookie->cookie, position, buffer, numBytes);
 }
 
 
 static status_t
-usb_hid_write(void *cookie, off_t position, const void *buffer,
+usb_hid_write(void *_cookie, off_t position, const void *buffer,
 	size_t *numBytes)
 {
-	TRACE_ALWAYS("write on hid device\n");
+	device_cookie *cookie = (device_cookie *)_cookie;
-	*numBytes = 0;
+
-	return B_ERROR;
+	TRACE("write(%p, %llu, %p, %p (%lu)\n", cookie, position, buffer, numBytes,
+		numBytes != NULL ? *numBytes : 0);
+	return cookie->handler->Write(&cookie->cookie, position, buffer, numBytes);
 }
 
 

src/add-ons/kernel/drivers/input/usb_hid/ProtocolHandler.cpp

@@ -120,10 +120,30 @@ ProtocolHandler::Close(uint32 *cookie)
 }
 
 
+status_t
+ProtocolHandler::Read(uint32 *cookie, off_t position, void *buffer,
+	size_t *numBytes)
+{
+	TRACE_ALWAYS("unhandled read on protocol handler\n");
+	*numBytes = 0;
+	return B_ERROR;
+}
+
+
+status_t
+ProtocolHandler::Write(uint32 *cookie, off_t position, const void *buffer,
+	size_t *numBytes)
+{
+	TRACE_ALWAYS("unhandled write on protocol handler\n");
+	*numBytes = 0;
+	return B_ERROR;
+}
+
+
 status_t
 ProtocolHandler::Control(uint32 *cookie, uint32 op, void *buffer, size_t length)
 {
-	TRACE_ALWAYS("control on base class\n");
+	TRACE_ALWAYS("unhandled control on protocol handler\n");
 	return B_ERROR;
 }
 

src/add-ons/kernel/drivers/input/usb_hid/ProtocolHandler.h

@@ -35,6 +35,11 @@ public:
 	virtual	status_t			Open(uint32 flags, uint32 *cookie);
 	virtual	status_t			Close(uint32 *cookie);
 
+	virtual	status_t			Read(uint32 *cookie, off_t position,
+									void *buffer, size_t *numBytes);
+	virtual	status_t			Write(uint32 *cookie, off_t position,
+									const void *buffer, size_t *numBytes);
+
 	virtual	status_t			Control(uint32 *cookie, uint32 op, void *buffer,
 									size_t length);