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bugfix: Don't block waiting for socket1 connect.

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This patch fixes a bug in Happy Eyeballs where curl would wait for a
connect response from socket1 before checking socket2.

Also, it updates error messages for failed connections, showing the ip
addresses that failed rather than just the host name repeatedly.

Bug: http://curl.haxx.se/mail/lib-2013-10/0236.html
Reported-by: Paul Marks
This commit is contained in:
Björn Stenberg 2013-10-29 14:43:01 +01:00 committed by Daniel Stenberg
parent 1d0eead969
commit 255826c40f
1 changed files with 14 additions and 11 deletions
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25
lib/connect.c
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@ -747,9 +747,9 @@ CURLcode Curl_is_connected(struct connectdata *conn,
if(curlx_tvdiff(now, conn->connecttime) >= conn->timeoutms_per_addr) {
infof(data, "After %ldms connect time, move on!\n",
conn->timeoutms_per_addr);
break;
error = ETIMEDOUT;
}
return CURLE_OK;
break;
case CURL_CSELECT_OUT:
if(verifyconnect(conn->tempsock[i], &error)) {
@ -802,22 +802,25 @@ CURLcode Curl_is_connected(struct connectdata *conn,
* address" for the given host. But first remember the latest error.
*/
if(error) {
char ipaddress[MAX_IPADR_LEN];
data->state.os_errno = error;
SET_SOCKERRNO(error);
}
Curl_printable_address(conn->tempaddr[i], ipaddress, MAX_IPADR_LEN);
infof(data, "connect to %s port %ld: %s\n",
ipaddress, conn->port, Curl_strerror(conn, error));
conn->timeoutms_per_addr = conn->tempaddr[i]->ai_next == NULL ?
allow : allow / 2;
code = trynextip(conn, sockindex, i, connected);
conn->timeoutms_per_addr = conn->tempaddr[i]->ai_next == NULL ?
allow : allow / 2;
if(code) {
error = SOCKERRNO;
data->state.os_errno = error;
failf(data, "Failed connect to %s:%ld; %s",
conn->host.name, conn->port, Curl_strerror(conn, error));
code = trynextip(conn, sockindex, i, connected);
}
}
if(code) {
/* no more addresses to try */
failf(data, "Failed to connect to %s port %ld: %s",
conn->host.name, conn->port, Curl_strerror(conn, error));
}
return code;
}