UHCP header. More...

Detailed Description

UHCP header.

Author: Kaspar Schleiser kaspa.nosp@m.r@sc.nosp@m.hleis.nosp@m.er.d.nosp@m.e

Definition in file uhcp.h.

#include <stdint.h>
#include <stddef.h>
#include <arpa/inet.h>

Include dependency graph for uhcp.h:

Data Structures
struct	uhcp_hdr_t
	UHCP packet header struct. More...

struct	uhcp_req_t
	struct for request packets More...

struct	uhcp_push_t
	struct for push packets More...

Macros
#define	UHCP_MAGIC (0x55484350) /* "UHCP" in hex */
	UHCP magic number.

#define	UHCP_VER (0)
	UHCP version of this header.

#define	UHCP_PORT (12345U)
	UHCP port number.

#define	UHCP_PORT_STR "12345"
	UHCP port number (as string for e.g., getaddrinfo() service arg.

Typedefs
typedef unsigned	uhcp_iface_t
	typedef for interface handle

Enumerations
enum	uhcp_type_t { UHCP_REQ , UHCP_PUSH }
	Enum containing possible UHCP packet types. More...

Functions
void	uhcp_handle_udp (uint8_t buf, size_t len, uint8_t src, uint16_t port, uhcp_iface_t iface)
	handle incoming UDP packet

void	uhcp_handle_req (uhcp_req_t req, uint8_t src, uint16_t port, uhcp_iface_t iface)
	handle incoming UHCP request packet

void	uhcp_handle_push (uhcp_push_t req, uint8_t src, uint16_t port, uhcp_iface_t iface)
	handle incoming UHCP push packet

void	uhcp_handle_prefix (uint8_t prefix, uint8_t prefix_len, uint16_t lifetime, uint8_t src, uhcp_iface_t iface)
	handle incoming prefix (as parsed from push packet)

static void	uhcp_hdr_set (uhcp_hdr_t *hdr, uhcp_type_t type)
	function to set constant values in UHCP header

int	udp_sendto (uint8_t buf, size_t len, uint8_t dst, uint16_t dst_port, uhcp_iface_t dst_iface)
	UDP send function used by UHCP client / server.

Data Structures