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[6888] cherokee/trunk/cherokee: Improves how sources handle multi-IP hosts, specially with multiple

 

 

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cherokee at cherokee-project

Oct 7, 2011, 2:01 PM

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[6888] cherokee/trunk/cherokee: Improves how sources handle multi-IP hosts, specially with multiple

Revision: 6888
http://svn.cherokee-project.com/changeset/6888
Author: alo
Date: 2011-10-07 23:01:29 +0200 (Fri, 07 Oct 2011)
Log Message:
-----------
Improves how sources handle multi-IP hosts, specially with multiple
families. There were certain systems where Cherokee had problems to
sources pointing to "localhost" if it was configured with both IPv4
and IPv6. -- Thanks to Antonio Perez (skarcha) for the patch!!!

Modified Paths:
--------------
cherokee/trunk/cherokee/source.c
cherokee/trunk/cherokee/source.h

Modified: cherokee/trunk/cherokee/source.c
===================================================================
--- cherokee/trunk/cherokee/source.c 2011-10-07 17:05:13 UTC (rev 6887)
+++ cherokee/trunk/cherokee/source.c 2011-10-07 21:01:29 UTC (rev 6888)
@@ -46,9 +46,10 @@
cherokee_buffer_init (&src->unix_socket);
cherokee_buffer_init (&src->host);

- src->type = source_host;
- src->port = -1;
- src->free = NULL;
+ src->type = source_host;
+ src->port = -1;
+ src->free = NULL;
+ src->addr_current = NULL;

return ret_ok;
}
@@ -57,8 +58,9 @@
ret_t
cherokee_source_mrproper (cherokee_source_t *src)
{
- if (src->free)
+ if (src->free) {
src->free (src);
+ }

cherokee_buffer_mrproper (&src->original);
cherokee_buffer_mrproper (&src->unix_socket);
@@ -96,6 +98,8 @@
return ret;
}
} else {
+ cherokee_boolean_t tested_all;
+ const struct addrinfo *addr;
const struct addrinfo *addr_info = NULL;

/* Query the resolv cache
@@ -110,13 +114,57 @@
return ret_error;
}

- /* Create the socket descriptor */
- ret = cherokee_socket_create_fd (sock, addr_info->ai_family);
- if (unlikely (ret != ret_ok)) {
- return ret_error;
+ /* Current address
+ */
+ if (src->addr_current) {
+ tested_all = false;
+ addr = src->addr_current;
+ } else {
+ tested_all = true;
+ addr = addr_info;
}

- /* Update the new socket */
+ /* Create the fd for the address family
+ *
+ * Iterates through the different addresses of the
+ * host and stores a pointer to the first one with
+ * a supported family.
+ */
+ while (addr != NULL) {
+ ret = cherokee_socket_create_fd (sock, addr->ai_family);
+
+#ifdef TRACE_ENABLED
+ if (cherokee_trace_is_tracing()) {
+ ret_t ret2;
+ char ip[46];
+
+ ret2 = cherokee_ntop (addr->ai_family, addr->ai_addr, ip, sizeof(ip));
+ if (ret2 == ret_ok) {
+ TRACE (ENTRIES, "Connecting to %s, ret=%d\n", ip, ret);
+ }
+ }
+#endif
+
+ if (ret == ret_ok) {
+ src->addr_current = addr;
+ break;
+ }
+
+ addr = addr->ai_next;
+ if (addr == NULL) {
+ if (tested_all) {
+ return ret_error;
+ }
+
+ tested_all = true;
+ src->addr_current = NULL;
+ addr = addr_info;
+ continue;
+ }
+ }
+
+ /* Update the new socket with the address info
+ */
SOCKET_ADDR_IPv4(sock)->sin_port = htons(src->port);

ret = cherokee_socket_update_from_addrinfo (sock, addr_info, 0);

Modified: cherokee/trunk/cherokee/source.h
===================================================================
--- cherokee/trunk/cherokee/source.h 2011-10-07 17:05:13 UTC (rev 6887)
+++ cherokee/trunk/cherokee/source.h 2011-10-07 21:01:29 UTC (rev 6888)
@@ -48,6 +48,7 @@
cherokee_buffer_t unix_socket;
cherokee_buffer_t host;
cint_t port;
+ const struct addrinfo *addr_current;

cherokee_func_free_t free;
} cherokee_source_t;

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