vlink::BagReader::Info::UrlMeta Struct Reference

Per-URL statistics extracted from the bag index. More...

#include <bag_reader.h>

Collaboration diagram for vlink::BagReader::Info::UrlMeta:

Public Member Functions
bool	operator< (const UrlMeta &target) const noexcept
	Comparison operator for sorting UrlMeta entries.

Public Attributes
bool	valid {false}
	true if this UrlMeta was successfully populated.
int	index {0}
	Numeric index of this URL in the bag's URL table.
std::string	url
	Full VLink URL string.
std::string	url_type
	Communication model type (e.g., "Event", "Method", "Field").
std::string	ser_type
	Serialisation type string (e.g., "demo.proto.PointCloud", "raw").
SchemaType	schema_type {SchemaType::kUnknown}
	Coarse schema family associated with this URL.
size_t	count {0}
	Total number of messages recorded for this URL.
size_t	size {0}
	Total compressed bytes recorded for this URL.
double	freq {0}
	Average message frequency (Hz).
double	loss {0}
	Declared message loss ratio [0.0, 1.0].

Detailed Description

Per-URL statistics extracted from the bag index.

Member Function Documentation

operator<()

bool vlink::BagReader::Info::UrlMeta::operator< ( const UrlMeta & target ) const

noexcept

Comparison operator for sorting UrlMeta entries.

Sorts primarily by the URL's transport priority, then by URL string lexicographically, and finally by numeric index as a tie-breaker.

Parameters

target

Right-hand side.

Returns

true if *this should sort before target.

Member Data Documentation

count

size_t vlink::BagReader::Info::UrlMeta::count {0}

Total number of messages recorded for this URL.

freq

double vlink::BagReader::Info::UrlMeta::freq {0}

Average message frequency (Hz).

index

int vlink::BagReader::Info::UrlMeta::index {0}

Numeric index of this URL in the bag's URL table.

loss

double vlink::BagReader::Info::UrlMeta::loss {0}

Declared message loss ratio [0.0, 1.0].

schema_type

SchemaType vlink::BagReader::Info::UrlMeta::schema_type {SchemaType::kUnknown}

Coarse schema family associated with this URL.

ser_type

std::string vlink::BagReader::Info::UrlMeta::ser_type

Serialisation type string (e.g., "demo.proto.PointCloud", "raw").

size

size_t vlink::BagReader::Info::UrlMeta::size {0}

Total compressed bytes recorded for this URL.

url

std::string vlink::BagReader::Info::UrlMeta::url

Full VLink URL string.

url_type

std::string vlink::BagReader::Info::UrlMeta::url_type

Communication model type (e.g., "Event", "Method", "Field").

valid

bool vlink::BagReader::Info::UrlMeta::valid {false}

true if this UrlMeta was successfully populated.

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

• include/vlink/extension/bag_reader.h