dns-server.c File Reference

#include "uv.h"
#include "task.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

Include dependency graph for dns-server.c:

Go to the source code of this file.

Classes
struct	dnshandle
struct	dnsstate
struct	write_req_t

Macros
#define	DNSREC_LEN   (4)
#define	LEN_OFFSET   0
#define	QUERYID_OFFSET   2
#define	WRITE_BUF_LEN   (64*1024)

Functions
static void	addrsp (write_req_t *wr, char *hdr)
static void	after_read (uv_stream_t *, ssize_t nread, const uv_buf_t *buf)
static void	after_shutdown (uv_shutdown_t *req, int status)
static void	after_write (uv_write_t *req, int status)
static void	buf_alloc (uv_handle_t *handle, size_t suggested_size, uv_buf_t *buf)
static int	dns_start (int port)
	HELPER_IMPL (dns_server)
static void	on_close (uv_handle_t *peer)
static void	on_connection (uv_stream_t *, int status)
static void	process_req (uv_stream_t *handle, ssize_t nread, const uv_buf_t *buf)

Variables
static unsigned char	arecord []
static unsigned char	DNSRsp []
static uv_loop_t *	loop
static unsigned char	qrecord []
static uv_tcp_t	server

Macro Definition Documentation

DNSREC_LEN

#define DNSREC_LEN   (4)

Definition at line 62 of file dns-server.c.

LEN_OFFSET

#define LEN_OFFSET   0

Definition at line 64 of file dns-server.c.

QUERYID_OFFSET

#define QUERYID_OFFSET   2

Definition at line 65 of file dns-server.c.

WRITE_BUF_LEN

#define WRITE_BUF_LEN   (64*1024)

Definition at line 61 of file dns-server.c.

Function Documentation

addrsp()

static void addrsp ( write_req_t *  wr, char *  hdr  )

static

Definition at line 102 of file dns-server.c.

after_read()

static void after_read ( uv_stream_t *  handle, ssize_t  nread, const uv_buf_t *  buf  )

static

Definition at line 234 of file dns-server.c.

after_shutdown()

static void after_shutdown ( uv_shutdown_t *  req, int  status  )

static

Definition at line 96 of file dns-server.c.

after_write()

static void after_write ( uv_write_t *  req, int  status  )

static

Definition at line 80 of file dns-server.c.

buf_alloc()

static void buf_alloc ( uv_handle_t *  handle, size_t  suggested_size, uv_buf_t *  buf  )

static

Definition at line 268 of file dns-server.c.

dns_start()

static int dns_start ( int  port )

static

Definition at line 301 of file dns-server.c.

HELPER_IMPL()

HELPER_IMPL

(

dns_server

)

Definition at line 332 of file dns-server.c.

on_close()

static void on_close ( uv_handle_t *  peer )

static

Definition at line 263 of file dns-server.c.

on_connection()

static void on_connection ( uv_stream_t *  server, int  status  )

static

Definition at line 276 of file dns-server.c.

process_req()

static void process_req ( uv_stream_t *  handle, ssize_t  nread, const uv_buf_t *  buf  )

static

Definition at line 127 of file dns-server.c.

Variable Documentation

arecord

unsigned char arecord[]

static

Initial value:

= {
  0xc0, 0x0c, 0, 1, 0, 1, 0, 0, 5, 0xbd, 0, 4, 10, 0, 1, 1
}

Definition at line 75 of file dns-server.c.

DNSRsp

unsigned char DNSRsp[]

static

Initial value:

= {
  0, 43, 0, 0, 0x81, 0x80, 0, 1, 0, 1, 0, 0, 0, 0
}

Definition at line 67 of file dns-server.c.

loop

uv_loop_t* loop

static

Definition at line 50 of file dns-server.c.

qrecord

unsigned char qrecord[]

static

Initial value:

= {
  5, 'e', 'c', 'h', 'o', 's', 3, 's', 'r', 'v', 0, 0, 1, 0, 1
}

Definition at line 71 of file dns-server.c.

server

uv_tcp_t server

static

Definition at line 53 of file dns-server.c.