eagine::msgbus::message_view Struct Reference

Combines message information and a non-owning view to message content. More...

#include <eagine/message_bus/message.hpp>

Public Member Functions
constexpr	message_view () noexcept=default
	Default constructor.
constexpr	message_view (memory::const_block init) noexcept
	Construction from a const memory block.
constexpr	message_view (memory::block init) noexcept
	Construction from a mutable memory block.
constexpr	message_view (string_view init) noexcept
	Construction from a string view.
constexpr	message_view (message_info info, memory::const_block init) noexcept
	Construction from a message info and a const memory block.
Public Member Functions inherited from eagine::msgbus::message_info
auto	too_many_hops () const noexcept -> bool
	Indicates that the message made too many hops. More...
auto	add_hop () noexcept -> auto &
	Increments the hop counter. More...
auto	too_old () const noexcept -> bool
	Indicates that the message is too old. More...
auto	add_age (message_age age) noexcept -> auto &
	Adds to the age seconds counter. More...
auto	age () const noexcept -> message_age
	Returns the message age. More...
auto	set_priority (message_priority new_priority) noexcept -> auto &
	Sets the priority of this message.
auto	set_source_id (identifier_t id) noexcept -> auto &
	Sets the source endpoint identifier.
auto	set_target_id (identifier_t id) noexcept -> auto &
	Sets the target endpoint identifier.
auto	has_serializer_id (identifier id) const noexcept -> bool
	Tests if a data serializer with the specified id was used. More...
auto	set_serializer_id (identifier id) noexcept -> auto &
	Sets the id of the used data content serializer. More...
auto	set_sequence_no (message_sequence_t no) noexcept -> auto &
	Sets the sequence number of this message (has message-type specific meaning). More...
auto	setup_response (const message_info &info) noexcept -> auto &
	Sets the target id to be the source id from info, copies sequence number. More...

Public Attributes
memory::const_block	data
	View of the message data content.
Public Attributes inherited from eagine::msgbus::message_info
identifier_t	source_id
	Returns the source endpoint identifier. More...
identifier_t	target_id
	Returns the target endpoint identifier. More...
identifier_t	serializer_id
	Returns the identifier of the used serializer. More...
sequence_t	sequence_no
	The message sequence number. More...
hop_count_t	hop_count
	The message hop counter. More...
age_t	age_quarter_seconds
	The message age in quarter seconds. More...
message_priority	priority
	The message priority. More...
message_crypto_flags	crypto_flags
	The message cryptography flags.

Additional Inherited Members
Public Types inherited from eagine::msgbus::message_info
using	sequence_t = message_sequence_t
	Alias for the sequence number type. More...
using	hop_count_t = std::int8_t
	Alias for type used to store the message hop count.
using	age_t = std::int8_t
	Alias for type used to store the message age in quarter seconds.

Detailed Description

Combines message information and a non-owning view to message content.

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The documentation for this struct was generated from the following file:

• eagine/message_bus/message.hpp