getnameinfo.c File Reference

#include <assert.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "uv.h"
#include "internal.h"

Go to the source code of this file.

Functions
static void	uv__getnameinfo_work (struct uv__work *w)
static void	uv__getnameinfo_done (struct uv__work *w, int status)
int	uv_getnameinfo (uv_loop_t *loop, uv_getnameinfo_t *req, uv_getnameinfo_cb getnameinfo_cb, const struct sockaddr *addr, int flags)

Function Documentation

uv__getnameinfo_done()

static void uv__getnameinfo_done ( struct uv__work *  w, int  status  )

static

Definition at line 55 of file getnameinfo.c.

                                                                 {
  uv_getnameinfo_t* req;
  char* host;
  char* service;
 
  req = container_of(w, uv_getnameinfo_t, work_req);
  uv__req_unregister(req->loop, req);
  host = service = NULL;
 
  if (status == UV_ECANCELED) {
    assert(req->retcode == 0);
    req->retcode = UV_EAI_CANCELED;
  } else if (req->retcode == 0) {
    host = req->host;
    service = req->service;
  }
 
  if (req->getnameinfo_cb)
    req->getnameinfo_cb(req, req->retcode, host, service);
}

References assert(), container_of, NULL, req, status, uv__req_unregister, and w.

Referenced by uv_getnameinfo().

uv__getnameinfo_work()

static void uv__getnameinfo_work ( struct uv__work *  w )

static

Definition at line 31 of file getnameinfo.c.

                                                     {
  uv_getnameinfo_t* req;
  int err;
  socklen_t salen;
 
  req = container_of(w, uv_getnameinfo_t, work_req);
 
  if (req->storage.ss_family == AF_INET)
    salen = sizeof(struct sockaddr_in);
  else if (req->storage.ss_family == AF_INET6)
    salen = sizeof(struct sockaddr_in6);
  else
    abort();
 
  err = getnameinfo((struct sockaddr*) &req->storage,
                    salen,
                    req->host,
                    sizeof(req->host),
                    req->service,
                    sizeof(req->service),
                    req->flags);
  req->retcode = uv__getaddrinfo_translate_error(err);
}

References AF_INET, AF_INET6, container_of, err, req, uv__getaddrinfo_translate_error(), and w.

Referenced by uv_getnameinfo().

uv_getnameinfo()

int uv_getnameinfo	(	uv_loop_t *	loop,
		uv_getnameinfo_t *	req,
		uv_getnameinfo_cb	getnameinfo_cb,
		const struct sockaddr *	addr,
		int	flags
	)

Definition at line 81 of file getnameinfo.c.

                              {
  if (req == NULL || addr == NULL)
    return UV_EINVAL;
 
  if (addr->sa_family == AF_INET) {
    memcpy(&req->storage,
           addr,
           sizeof(struct sockaddr_in));
  } else if (addr->sa_family == AF_INET6) {
    memcpy(&req->storage,
           addr,
           sizeof(struct sockaddr_in6));
  } else {
    return UV_EINVAL;
  }
 
  uv__req_init(loop, (uv_req_t*)req, UV_GETNAMEINFO);
 
  req->getnameinfo_cb = getnameinfo_cb;
  req->flags = flags;
  req->type = UV_GETNAMEINFO;
  req->loop = loop;
  req->retcode = 0;
 
  if (getnameinfo_cb) {
    uv__work_submit(loop,
                    &req->work_req,
                    UV__WORK_SLOW_IO,
                    uv__getnameinfo_work,
                    uv__getnameinfo_done);
    return 0;
  } else {
    uv__getnameinfo_work(&req->work_req);
    uv__getnameinfo_done(&req->work_req, 0);
    return req->retcode;
  }
}