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[nfs] : upgrade from gethostbyname to getaddrinfo

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This commit is contained in:
SummerGift 2017-12-23 16:54:24 +08:00
parent 98d8145661
commit e8ec10d5e7
1 changed files with 14 additions and 24 deletions
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38
components/dfs/filesystems/nfs/rpc/clnt_generic.c
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@ -45,39 +45,29 @@ CLIENT *clnt_create (const char *hostname, const unsigned long prog,
const unsigned long vers, const char *proto) const unsigned long vers, const char *proto)
{ {
int sock; int sock;
struct hostent *h; struct sockaddr_in server;
struct sockaddr_in sin; struct addrinfo hint, *res = NULL;
struct timeval tv; struct timeval tv;
CLIENT *client; CLIENT *client;
int ret;
h = (struct hostent *)gethostbyname(hostname);
if (h == NULL) {
rt_kprintf("unknown host\n");
return (NULL);
}
if (h->h_addrtype != AF_INET) {
rt_kprintf("unknow inet\n");
return (NULL);
}
memset((char*)&sin,0,sizeof(sin));
sin.sin_family = h->h_addrtype;
sin.sin_port = 0;
if (h->h_addrtype == AF_INET) memset(&hint, 0, sizeof(hint));
{ ret = getaddrinfo(hostname, NULL, &hint, &res);
memmove((char *) &sin.sin_addr, h->h_addr, sizeof(sin.sin_addr)); if (ret != 0)
} {
else rt_kprintf("getaddrinfo err: %d '%s'\n", ret, hostname);
{ return NULL;
return NULL; }
}
memcpy(&server, res->ai_addr, sizeof(struct sockaddr_in));
freeaddrinfo(res);
sock = -1; sock = -1;
if (strcmp(proto, "udp") == 0) if (strcmp(proto, "udp") == 0)
{ {
tv.tv_sec = 5; tv.tv_sec = 5;
tv.tv_usec = 0; tv.tv_usec = 0;
client = clntudp_create(&sin, prog, vers, tv, &sock); client = clntudp_create(&server, prog, vers, tv, &sock);
if (client == NULL) return NULL; if (client == NULL) return NULL;
tv.tv_sec = 1; tv.tv_sec = 1;
clnt_control(client, CLSET_TIMEOUT, (char*)&tv); clnt_control(client, CLSET_TIMEOUT, (char*)&tv);