-const char jbsockets_rcs[] = "$Id: jbsockets.c,v 1.78 2010/07/26 11:28:11 fabiankeil Exp $";
+const char jbsockets_rcs[] = "$Id: jbsockets.c,v 1.83 2011/03/27 13:53:25 fabiankeil Exp $";
/*********************************************************************
*
* File : $Source: /cvsroot/ijbswa/current/jbsockets.c,v $
#define MAX_LISTEN_BACKLOG 128
+#ifdef HAVE_RFC2553
+static jb_socket rfc2553_connect_to(const char *host, int portnum, struct client_state *csp);
+#else
+static jb_socket no_rfc2553_connect_to(const char *host, int portnum, struct client_state *csp);
+#endif
/*********************************************************************
*
* 1 : host = hostname to connect to
* 2 : portnum = port to connent on (XXX: should be unsigned)
* 3 : csp = Current client state (buffers, headers, etc...)
- * Not modified, only used for source IP and ACL.
*
* Returns : JB_INVALID_SOCKET => failure, else it is the socket
* file descriptor.
*
*********************************************************************/
+jb_socket connect_to(const char *host, int portnum, struct client_state *csp)
+{
+ jb_socket fd;
+ int forwarded_connect_retries = 0;
+
+ do
+ {
+#ifdef HAVE_RFC2553
+ fd = rfc2553_connect_to(host, portnum, csp);
+#else
+ fd = no_rfc2553_connect_to(host, portnum, csp);
+#endif
+ if ((fd != JB_INVALID_SOCKET) || (errno != EINVAL))
+ {
+ break;
+ }
+ forwarded_connect_retries++;
+ log_error(LOG_LEVEL_ERROR,
+ "Attempt %d of %d to connect to %s failed. Trying again.",
+ forwarded_connect_retries, csp->config->forwarded_connect_retries, host);
+
+ } while (forwarded_connect_retries < csp->config->forwarded_connect_retries);
+
+ return fd;
+}
+
#ifdef HAVE_RFC2553
/* Getaddrinfo implementation */
-jb_socket connect_to(const char *host, int portnum, struct client_state *csp)
+static jb_socket rfc2553_connect_to(const char *host, int portnum, struct client_state *csp)
{
struct addrinfo hints, *result, *rp;
char service[6];
}
retval = getnameinfo(rp->ai_addr, rp->ai_addrlen,
csp->http->host_ip_addr_str, NI_MAXHOST, NULL, 0, NI_NUMERICHOST);
- if (!csp->http->host_ip_addr_str || retval)
+ if (retval)
{
log_error(LOG_LEVEL_ERROR,
"Can not save csp->http->host_ip_addr_str: %s",
- (csp->http->host_ip_addr_str) ?
- gai_strerror(retval) : "Insufficient memory");
+ gai_strerror(retval));
freez(csp->http->host_ip_addr_str);
continue;
}
if ((select((int)fd + 1, NULL, &wfds, NULL, tv) > 0)
&& FD_ISSET(fd, &wfds))
{
- /*
- * See Linux connect(2) man page for more info
- * about connecting on non-blocking socket.
- */
int socket_in_error;
socklen_t optlen = sizeof(socket_in_error);
if (!getsockopt(fd, SOL_SOCKET, SO_ERROR, &socket_in_error, &optlen))
#else /* ndef HAVE_RFC2553 */
/* Pre-getaddrinfo implementation */
-jb_socket connect_to(const char *host, int portnum, struct client_state *csp)
+static jb_socket no_rfc2553_connect_to(const char *host, int portnum, struct client_state *csp)
{
struct sockaddr_in inaddr;
jb_socket fd;