Packets

Collaboration diagram for Packets:

Data Structures
struct	mongo_packet_header
	Mongo packet header. More...

Functions
mongo_packet *	mongo_wire_packet_new (void)
	Create an empty packet. More...
gboolean	mongo_wire_packet_get_header (const mongo_packet *p, mongo_packet_header *header)
	Get the header data of a packet. More...
gboolean	mongo_wire_packet_set_header (mongo_packet *p, const mongo_packet_header *header)
	Set the header data of a packet. More...
gint32	mongo_wire_packet_get_data (const mongo_packet *p, const guint8 **data)
	Get the data part of a packet. More...
gboolean	mongo_wire_packet_set_data (mongo_packet *p, const guint8 *data, gint32 size)
	Set the data part of a packet. More...
void	mongo_wire_packet_free (mongo_packet *p)
	Free up a mongo packet. More...

Detailed Description

Function Documentation

void mongo_wire_packet_free

(

mongo_packet *

p

)

Free up a mongo packet.

Parameters

p	is the packet to free.

Note

The packet shall not be used afterwards.

gint32 mongo_wire_packet_get_data	(	const mongo_packet *	p,
		const guint8 **	data
	)

Get the data part of a packet.

Retrieve the raw binary blob of the mongo packet's data.

Parameters

p	is the packet which header we seek.
data	is a pointer to a variable which will hold the data.

Note

The data parameter will point to an internal structure, which shall not be freed or written to.

Returns

The size of the data, or -1 on error.

gboolean mongo_wire_packet_get_header	(	const mongo_packet *	p,
		mongo_packet_header *	header
	)

Get the header data of a packet.

Retrieve the mongo packet's header data.

Parameters

p	is the packet which header we seek.
header	is a pointer to a variable which will hold the data.

Note

Allocating the header is the responsibility of the caller.

Returns

TRUE on success, FALSE otherwise.

mongo_packet* mongo_wire_packet_new

(

void

)

Create an empty packet.

Creates an empty packet to be filled in later with mongo_wire_packet_set_header() and mongo_packet_set_data().

Returns

A newly allocated packet, or NULL on error.

gboolean mongo_wire_packet_set_data	(	mongo_packet *	p,
		const guint8 *	data,
		gint32	size
	)

Set the data part of a packet.

Overrides the data part of a packet, adjusting the packet length in the header too.

Note

No sanity checks are performed on the data, it is the caller's responsibility to supply valid information.

Parameters

p	is the packet whose data is to be set.
data	is the data to set.
size	is the size of the data.

Returns

TRUE on success, FALSE otherwise.

gboolean mongo_wire_packet_set_header	(	mongo_packet *	p,
		const mongo_packet_header *	header
	)

Set the header data of a packet.

Override the mongo packet's header data.

Note

No sanity checks are done, use this function with great care.

Parameters

p	is the packet whose header we want to override.
header	is the header structure to use.

Returns

TRUE on success, FALSE otherwise.