ret_t
cherokee_socket_ntop (cherokee_socket_t *socket, char *dst, size_t cnt)
{
if (unlikely (SOCKET_FD(socket) < 0)) {
return ret_error;
}
return cherokee_ntop (SOCKET_AF(socket),
(struct sockaddr *) &SOCKET_ADDR(socket),
dst, cnt);
}
ret_t
cherokee_source_connect (cherokee_source_t *src, cherokee_socket_t *sock)
{
ret_t ret;
cherokee_resolv_cache_t *resolv;
/* Short path: it's already connecting
*/
if (sock->socket >= 0) {
return cherokee_socket_connect (sock);
}
/* Create the new socket and set the target IP info
*/
if (! cherokee_buffer_is_empty (&src->unix_socket)) {
/* Create the socket descriptor
*/
ret = cherokee_socket_create_fd (sock, AF_UNIX);
if (unlikely (ret != ret_ok)) {
return ret;
}
ret = cherokee_socket_gethostbyname (sock, &src->unix_socket);
if (unlikely (ret != ret_ok)) {
return ret;
}
} else {
cherokee_boolean_t tested_all;
const struct addrinfo *addr;
const struct addrinfo *addr_info = NULL;
/* Query the resolv cache
*/
ret = cherokee_resolv_cache_get_default (&resolv);
if (unlikely (ret!=ret_ok)) {
return ret;
}
ret = cherokee_resolv_cache_get_addrinfo (resolv, &src->host, &addr_info);
if ((ret != ret_ok) || (addr_info == NULL)) {
return ret_error;
}
/* Current address
*/
if (src->addr_current) {
tested_all = false;
addr = src->addr_current;
} else {
tested_all = true;
addr = addr_info;
}
/* 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;
}
cherokee_socket_close(sock);
}
/* Update the new socket with the address info
*/
switch (src->addr_current->ai_family) {
case AF_INET:
SOCKET_ADDR_IPv4(sock)->sin_port = htons(src->port);
break;
case AF_INET6:
SOCKET_ADDR_IPv6(sock)->sin6_port = htons(src->port);
break;
default:
SHOULDNT_HAPPEN;
return ret_error;
}
ret = cherokee_socket_update_from_addrinfo (sock, src->addr_current, 0);
if (unlikely (ret != ret_ok)) {
return ret_error;
}
}
/* Set non-blocking */
ret = cherokee_fd_set_nonblocking (sock->socket, true);
if (unlikely (ret != ret_ok)) {
LOG_ERRNO (errno, cherokee_err_error, CHEROKEE_ERROR_SOURCE_NONBLOCK, sock->socket);
}
/* Set close-on-exec and reuse-address */
cherokee_fd_set_closexec (sock->socket);
cherokee_fd_set_reuseaddr (sock->socket);
return cherokee_socket_connect (sock);
}
static ret_t
entry_fill_up (cherokee_resolv_cache_entry_t *entry,
cherokee_buffer_t *domain)
{
ret_t ret;
char tmp[46]; // Max IPv6 length is 45
struct addrinfo *addr;
time_t eagain_at = 0;
while (true) {
ret = cherokee_gethostbyname (domain, &entry->addr);
if (ret == ret_ok) {
break;
} else if (ret == ret_eagain) {
if (eagain_at == 0) {
eagain_at = cherokee_bogonow_now;
} else if (cherokee_bogonow_now > eagain_at + 3) {
LOG_WARNING (CHEROKEE_ERROR_RESOLVE_TIMEOUT, domain->buf);
return ret_error;
}
CHEROKEE_THREAD_YIELD;
continue;
} else {
return ret_error;
}
}
if (unlikely (entry->addr == NULL)) {
return ret_error;
}
/* Render the text representation
*/
ret = cherokee_ntop (entry->addr->ai_family, entry->addr->ai_addr, tmp, sizeof(tmp));
if (ret != ret_ok) {
return ret_error;
}
cherokee_buffer_add (&entry->ip_str, tmp, strlen(tmp));
/* Render the text representation (all the IPs)
*/
cherokee_buffer_add_buffer (&entry->ip_str_all, &entry->ip_str);
addr = entry->addr;
while (addr != NULL) {
ret = cherokee_ntop (entry->addr->ai_family, addr->ai_addr, tmp, sizeof(tmp));
if (ret != ret_ok) {
return ret_error;
}
cherokee_buffer_add_char (&entry->ip_str_all, ',');
cherokee_buffer_add (&entry->ip_str_all, tmp, strlen(tmp));
addr = addr->ai_next;
}
return ret_ok;
}