Fawkes API  Fawkes Development Version
firevision::FuseMessageContent Class Referenceabstract

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Inheritance diagram for firevision::FuseMessageContent:

Public Member Functions

 FuseMessageContent ()
 Constructor. More...
 
virtual ~FuseMessageContent ()
 Virtual empty destructor. More...
 
virtual void serialize ()=0
 
virtual void * payload () const
 Return pointer to payload. More...
 
virtual size_t payload_size () const
 Return payload size. More...
 
void free_payload ()
 Free message payload. More...
 

Protected Member Functions

void copy_payload (size_t offset, void *buf, size_t len)
 Copy payload into payload buffer to a specified offset. More...
 

Protected Attributes

void * _payload
 Pointer to payload. More...
 
size_t _payload_size
 Payloda size. More...
 

Detailed Description

FUSE message content. Interface for complex FUSE network messages. Use this type if you want either a nicer interface to your network message or if you need a more complex kind of message type, for example by using DynamicBuffer.

Implement all accessor methods that you need and add any data you want. In the end you have to implement serialize() to create a single contiguous buffer that contains all the data that has to be sent. Make _payload point to this buffer and _payload_size contain the size of the buffer.

See also
DynamicBuffer
Author
Tim Niemueller

Definition at line 37 of file fuse_message_content.h.

Constructor & Destructor Documentation

◆ FuseMessageContent()

firevision::FuseMessageContent::FuseMessageContent ( )

Constructor.

Definition at line 61 of file fuse_message_content.cpp.

◆ ~FuseMessageContent()

firevision::FuseMessageContent::~FuseMessageContent ( )
virtual

Virtual empty destructor.

Definition at line 68 of file fuse_message_content.cpp.

References _payload, and _payload_size.

Member Function Documentation

◆ copy_payload()

void firevision::FuseMessageContent::copy_payload ( size_t  offset,
void *  buf,
size_t  len 
)
protected

Copy payload into payload buffer to a specified offset.

This assumes that you have made sure that the buffer is big enough!

Parameters
offsetoffset in _payload where to copy the data to
bufbuffer to copy from
lennumber of bytes to copy from buf

Definition at line 107 of file fuse_message_content.cpp.

References _payload, and _payload_size.

◆ free_payload()

void firevision::FuseMessageContent::free_payload ( )

Free message payload.

Definition at line 115 of file fuse_message_content.cpp.

◆ payload()

void * firevision::FuseMessageContent::payload ( ) const
virtual

Return pointer to payload.

Returns
pointer to payload
Exceptions
NullPointerExceptionthrown if _payload does not point to a valid buffer or if _payload_size is zero.

Definition at line 78 of file fuse_message_content.cpp.

Referenced by firevision::FuseNetworkMessage::set().

◆ payload_size()

size_t firevision::FuseMessageContent::payload_size ( ) const
virtual

Return payload size.

Returns
payload size
Exceptions
NullPointerExceptionthrown if _payload does not point to a valid buffer or if _payload_size is zero.

Definition at line 92 of file fuse_message_content.cpp.

Referenced by firevision::FuseNetworkMessage::set().

◆ serialize()

void firevision::FuseMessageContent::serialize ( )
pure virtual

Serialize message content. Generate a single contiguous buffer. Make _payload point to this buffer and _payload_size contain the size of the buffer.

Implemented in firevision::FuseImageContent, firevision::FuseLutContent, firevision::FuseLutListContent, and firevision::FuseImageListContent.

Referenced by firevision::FuseNetworkMessage::set().

Member Data Documentation

◆ _payload

void* firevision::FuseMessageContent::_payload
protected

◆ _payload_size

size_t firevision::FuseMessageContent::_payload_size
protected

The documentation for this class was generated from the following files: