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connect: only log if all attempts failed (ipv4) 

In 63a995b (Do not log unless all connect() attempts fail), a
mechanism to only log connection errors if all attempts failed
was introduced for the IPv6 code-path, but not for the IPv4 one.

Introduce a matching mechanism so IPv4-users also benefit from
this noise-reduction.

Move the call to socket after filling in sa, to make it more
apparent that errno can't change in between.

Signed-off-by: Erik Faye-Lund <kusmabite@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Erik Faye-Lund 2011-08-01 13:16:10 +02:00 committed by Junio C Hamano
parent 9353e09afa
commit 7203a2d1ca
1 changed files with 10 additions and 13 deletions
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23
connect.c
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@ -254,7 +254,8 @@ static int git_tcp_connect_sock(char *host, int flags)
*/
static int git_tcp_connect_sock(char *host, int flags)
{
int sockfd = -1, saved_errno = 0;
struct strbuf error_message = STRBUF_INIT;
int sockfd = -1;
const char *port = STR(DEFAULT_GIT_PORT);
char *ep;
struct hostent *he;
@ -284,25 +285,21 @@ static int git_tcp_connect_sock(char *host, int flags)
fprintf(stderr, "done.\nConnecting to %s (port %s) ... ", host, port);
for (cnt = 0, ap = he->h_addr_list; *ap; ap++, cnt++) {
sockfd = socket(he->h_addrtype, SOCK_STREAM, 0);
if (sockfd < 0) {
saved_errno = errno;
continue;
}
memset(&sa, 0, sizeof sa);
sa.sin_family = he->h_addrtype;
sa.sin_port = htons(nport);
memcpy(&sa.sin_addr, *ap, he->h_length);
if (connect(sockfd, (struct sockaddr *)&sa, sizeof sa) < 0) {
saved_errno = errno;
fprintf(stderr, "%s[%d: %s]: errno=%s\n",
sockfd = socket(he->h_addrtype, SOCK_STREAM, 0);
if ((sockfd < 0) ||
connect(sockfd, (struct sockaddr *)&sa, sizeof sa) < 0) {
strbuf_addf(&error_message, "%s[%d: %s]: errno=%s\n",
host,
cnt,
inet_ntoa(*(struct in_addr *)&sa.sin_addr),
strerror(saved_errno));
close(sockfd);
strerror(errno));
if (0 <= sockfd)
close(sockfd);
sockfd = -1;
continue;
}
@ -313,7 +310,7 @@ static int git_tcp_connect_sock(char *host, int flags)
}
if (sockfd < 0)
die("unable to connect a socket (%s)", strerror(saved_errno));
die("unable to connect to %s:\n%s", host, error_message.buf);
if (flags & CONNECT_VERBOSE)
fprintf(stderr, "done.\n");