added new interface to host and linux osal

ipc/CommandMessage.cpp

@@ -160,3 +160,11 @@ uint8_t* CommandMessage::getData() {
 const uint8_t* CommandMessage::getData() const {
 	return internalMessage->getData();
 }
+
+size_t CommandMessage::getMessageSize() const {
+	return COMMAND_MESSAGE_SIZE;
+}
+
+size_t CommandMessage::getMaximumMessageSize() const {
+	return MessageQueueMessage::MAX_MESSAGE_SIZE;
+}

ipc/CommandMessage.h

@@ -85,6 +85,8 @@ public:
 	uint8_t * getData() override;
 	const uint8_t* getData() const override;
 	size_t getMinimumMessageSize() const override;
+	size_t getMessageSize() const override;
+	size_t getMaximumMessageSize() const override;
 
 	/**
 	 * Extract message ID, which is the first byte of the command ID.

ipc/MessageQueueMessage.cpp

@@ -67,3 +67,11 @@ void MessageQueueMessage::print() {
 void MessageQueueMessage::clear() {
 	memset(this->getBuffer(), 0, this->MAX_MESSAGE_SIZE);
 }
+
+size_t MessageQueueMessage::getMessageSize() const {
+	return this->messageSize;
+}
+
+size_t MessageQueueMessage::getMaximumMessageSize() const {
+	return this->MAX_MESSAGE_SIZE;
+}

ipc/MessageQueueMessage.h

@@ -149,6 +149,10 @@ public:
 	 */
 	virtual size_t getMinimumMessageSize() const override;
 
+	virtual size_t getMessageSize() const override;
+
+	virtual size_t getMaximumMessageSize() const override;
+
 	/**
 	 * @brief	This is a debug method that prints the content
 	 * 			(till messageSize) to the debug output.

ipc/MessageQueueMessageIF.h

@@ -71,6 +71,18 @@ public:
 	 * 			check the size of an incoming message.
 	 */
 	virtual size_t getMinimumMessageSize() const = 0;
+
+	/**
+	 * Get message size of current message implementation.
+	 * @return
+	 */
+	virtual size_t getMessageSize() const = 0;
+
+	/**
+	 * Get maximum allowed size of current message implementation.
+	 * @return
+	 */
+	virtual size_t getMaximumMessageSize() const = 0;
 };