commit c3ff8f261c25be9fc76ea40ab2f4e3b1313d3c08
parent fc0229e6dcdcb8e5f560051da73721609af64e2c
Author: Christian Grothoff <christian@grothoff.org>
Date: Tue, 3 Jun 2014 08:02:44 +0000
-indentation and doxygen fixes
Diffstat:
2 files changed, 172 insertions(+), 105 deletions(-)
diff --git a/src/transport/plugin_transport_tcp.c b/src/transport/plugin_transport_tcp.c
@@ -421,7 +421,10 @@ struct Plugin
* @return string representing the same address
*/
static const char *
-tcp_address_to_string (void *cls, const void *addr, size_t addrlen);
+tcp_address_to_string (void *cls,
+ const void *addr,
+ size_t addrlen);
+
/**
* Function to check if an inbound connection is acceptable.
@@ -437,8 +440,9 @@ tcp_address_to_string (void *cls, const void *addr, size_t addrlen);
*/
static int
plugin_tcp_access_check (void *cls,
- const struct GNUNET_CONNECTION_Credentials *ucred,
- const struct sockaddr *addr, socklen_t addrlen)
+ const struct GNUNET_CONNECTION_Credentials *ucred,
+ const struct sockaddr *addr,
+ socklen_t addrlen)
{
struct Plugin *plugin = cls;
LOG(GNUNET_ERROR_TYPE_DEBUG,
@@ -450,18 +454,21 @@ plugin_tcp_access_check (void *cls,
return GNUNET_YES;
}
+
/**
* Our external IP address/port mapping has changed.
*
- * @param cls closure, the 'struct Plugin'
+ * @param cls closure, the `struct Plugin`
* @param add_remove #GNUNET_YES to mean the new public IP address, #GNUNET_NO to mean
* the previous (now invalid) one
* @param addr either the previous or the new public IP address
- * @param addrlen actual lenght of the address
+ * @param addrlen actual length of @a addr
*/
static void
-tcp_nat_port_map_callback (void *cls, int add_remove,
- const struct sockaddr *addr, socklen_t addrlen)
+tcp_nat_port_map_callback (void *cls,
+ int add_remove,
+ const struct sockaddr *addr,
+ socklen_t addrlen)
{
struct Plugin *plugin = cls;
struct GNUNET_HELLO_Address *address;
@@ -508,6 +515,7 @@ tcp_nat_port_map_callback (void *cls, int add_remove,
GNUNET_HELLO_address_free(address);
}
+
/**
* Function called for a quick conversion of the binary address to
* a numeric address. Note that the caller must not free the
@@ -516,11 +524,13 @@ tcp_nat_port_map_callback (void *cls, int add_remove,
*
* @param cls closure (`struct Plugin*`)
* @param addr binary address
- * @param addrlen length of the address
+ * @param addrlen length of @a addr
* @return string representing the same address
*/
static const char *
-tcp_address_to_string (void *cls, const void *addr, size_t addrlen)
+tcp_address_to_string (void *cls,
+ const void *addr,
+ size_t addrlen)
{
static char rbuf[INET6_ADDRSTRLEN + 12];
char buf[INET6_ADDRSTRLEN];
@@ -562,11 +572,15 @@ tcp_address_to_string (void *cls, const void *addr, size_t addrlen)
return NULL ;
}
GNUNET_snprintf (rbuf, sizeof(rbuf),
- (af == AF_INET6) ? "%s.%u.[%s]:%u" : "%s.%u.%s:%u", PLUGIN_NAME, options,
- buf, port);
+ (af == AF_INET6) ? "%s.%u.[%s]:%u" : "%s.%u.%s:%u",
+ PLUGIN_NAME,
+ options,
+ buf,
+ port);
return rbuf;
}
+
/**
* Function called to convert a string address to
* a binary address.
@@ -580,8 +594,11 @@ tcp_address_to_string (void *cls, const void *addr, size_t addrlen)
* @return #GNUNET_OK on success, #GNUNET_SYSERR on failure
*/
static int
-tcp_string_to_address (void *cls, const char *addr, uint16_t addrlen,
- void **buf, size_t *added)
+tcp_string_to_address (void *cls,
+ const char *addr,
+ uint16_t addrlen,
+ void **buf,
+ size_t *added)
{
struct sockaddr_storage socket_address;
char *address;
@@ -670,6 +687,7 @@ tcp_string_to_address (void *cls, const char *addr, uint16_t addrlen,
}
}
+
/**
* Closure for #session_lookup_by_client_it().
*/
@@ -686,9 +704,11 @@ struct SessionClientCtx
struct Session *ret;
};
+
static int
-session_lookup_by_client_it (void *cls, const struct GNUNET_PeerIdentity *key,
- void *value)
+session_lookup_by_client_it (void *cls,
+ const struct GNUNET_PeerIdentity *key,
+ void *value)
{
struct SessionClientCtx *sc_ctx = cls;
struct Session *s = value;
@@ -701,6 +721,7 @@ session_lookup_by_client_it (void *cls, const struct GNUNET_PeerIdentity *key,
return GNUNET_YES;
}
+
/**
* Find the session handle for the given client.
* Currently uses both the hashmap and the client
@@ -713,7 +734,7 @@ session_lookup_by_client_it (void *cls, const struct GNUNET_PeerIdentity *key,
*/
static struct Session *
lookup_session_by_client (struct Plugin *plugin,
- struct GNUNET_SERVER_Client *client)
+ struct GNUNET_SERVER_Client *client)
{
struct Session *ret;
struct SessionClientCtx sc_ctx;
@@ -728,6 +749,7 @@ lookup_session_by_client (struct Plugin *plugin,
return sc_ctx.ret;
}
+
/**
* Functions with this signature are called whenever we need
* to close a session due to a disconnect or failure to
@@ -738,7 +760,8 @@ lookup_session_by_client (struct Plugin *plugin,
* @return #GNUNET_OK on success
*/
static int
-tcp_disconnect_session (void *cls, struct Session *session)
+tcp_disconnect_session (void *cls,
+ struct Session *session)
{
struct Plugin *plugin = cls;
struct PendingMessage *pm;
@@ -746,7 +769,9 @@ tcp_disconnect_session (void *cls, struct Session *session)
LOG(GNUNET_ERROR_TYPE_DEBUG,
"Disconnecting session of peer `%s' address `%s'\n",
GNUNET_i2s (&session->target),
- tcp_address_to_string (NULL, session->address->address, session->address->address_length));
+ tcp_address_to_string (NULL,
+ session->address->address,
+ session->address->address_length));
if (GNUNET_SCHEDULER_NO_TASK != session->timeout_task)
{
@@ -763,11 +788,14 @@ tcp_disconnect_session (void *cls, struct Session *session)
}
else
{
- GNUNET_assert(
- GNUNET_YES == GNUNET_CONTAINER_multipeermap_remove (plugin->nat_wait_conns, &session->target, session));
+ GNUNET_assert(GNUNET_YES ==
+ GNUNET_CONTAINER_multipeermap_remove (plugin->nat_wait_conns,
+ &session->target,
+ session));
}
if (NULL != session->client)
- GNUNET_SERVER_client_set_user_context(session->client, (void *) NULL);
+ GNUNET_SERVER_client_set_user_context (session->client,
+ (void *) NULL);
/* clean up state */
if (NULL != session->transmit_handle)
@@ -821,9 +849,10 @@ tcp_disconnect_session (void *cls, struct Session *session)
return GNUNET_OK;
}
+
/**
* Function that is called to get the keepalive factor.
- * GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT is divided by this number to
+ * #GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT is divided by this number to
* calculate the interval between keepalive packets.
*
* @param cls closure with the `struct Plugin`
@@ -835,6 +864,7 @@ tcp_query_keepalive_factor (void *cls)
return 3;
}
+
/**
* Session was idle, so disconnect it
*
@@ -842,18 +872,21 @@ tcp_query_keepalive_factor (void *cls)
* @param tc scheduler context
*/
static void
-session_timeout (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+session_timeout (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext *tc)
{
struct Session *s = cls;
s->timeout_task = GNUNET_SCHEDULER_NO_TASK;
GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
- "Session %p was idle for %s, disconnecting\n", s,
- GNUNET_STRINGS_relative_time_to_string (GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT, GNUNET_YES));
+ "Session %p was idle for %s, disconnecting\n", s,
+ GNUNET_STRINGS_relative_time_to_string (GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT,
+ GNUNET_YES));
/* call session destroy function */
tcp_disconnect_session (s->plugin, s);
}
+
/**
* Increment session timeout due to activity
*
@@ -897,7 +930,8 @@ create_session (struct Plugin *plugin,
else
GNUNET_assert(NULL == client);
- LOG(GNUNET_ERROR_TYPE_DEBUG, "Creating new session for peer `%4s'\n",
+ LOG(GNUNET_ERROR_TYPE_DEBUG,
+ "Creating new session for peer `%4s'\n",
GNUNET_i2s (&address->peer));
session = GNUNET_new (struct Session);
session->last_activity = GNUNET_TIME_absolute_get ();
@@ -934,6 +968,7 @@ create_session (struct Plugin *plugin,
return session;
}
+
/**
* If we have pending messages, ask the server to
* transmit them (schedule the respective tasks, etc.)
@@ -943,6 +978,7 @@ create_session (struct Plugin *plugin,
static void
process_pending_messages (struct Session *session);
+
/**
* Function called to notify a client about the socket
* being ready to queue more data. "buf" will be
@@ -950,9 +986,9 @@ process_pending_messages (struct Session *session);
* writing in the meantime.
*
* @param cls closure
- * @param size number of bytes available in buf
+ * @param size number of bytes available in @a buf
* @param buf where the callee should write the message
- * @return number of bytes written to buf
+ * @return number of bytes written to @a buf
*/
static size_t
do_transmit (void *cls, size_t size, void *buf)
@@ -1061,6 +1097,7 @@ do_transmit (void *cls, size_t size, void *buf)
return ret;
}
+
/**
* If we have pending messages, ask the server to
* transmit them (schedule the respective tasks, etc.)
@@ -1100,6 +1137,7 @@ struct FindSessionContext
int res;
};
+
/**
* Function called to check if a session is in our maps.
*
@@ -1153,6 +1191,7 @@ find_session (struct Plugin *plugin, struct Session *session)
}
#endif
+
/**
* Function that can be used by the transport service to transmit
* a message using the plugin. Note that in the case of a
@@ -1271,6 +1310,7 @@ struct SessionItCtx
};
+
/**
* Look for a session by address.
*
@@ -1280,8 +1320,9 @@ struct SessionItCtx
* @return #GNUNET_YES to continue looking, #GNUNET_NO if we found the session
*/
static int
-session_lookup_it (void *cls, const struct GNUNET_PeerIdentity *key,
- void *value)
+session_lookup_it (void *cls,
+ const struct GNUNET_PeerIdentity *key,
+ void *value)
{
struct SessionItCtx * si_ctx = cls;
struct Session * session = value;
@@ -2257,10 +2298,10 @@ disconnect_notify (void *cls, struct GNUNET_SERVER_Client *client)
struct Plugin *plugin = cls;
struct Session *session;
- if (client == NULL )
+ if (NULL == client)
return;
session = lookup_session_by_client (plugin, client);
- if (session == NULL )
+ if (NULL == session)
return; /* unknown, nothing to do */
LOG(GNUNET_ERROR_TYPE_DEBUG,
"Destroying session of `%4s' with %s due to network-level disconnect.\n",
@@ -2287,10 +2328,12 @@ disconnect_notify (void *cls, struct GNUNET_SERVER_Client *client)
* @param cls closure, a struct TCPProbeContext
* @param size max size to copy
* @param buf buffer to copy message to
- * @return number of bytes copied into buf
+ * @return number of bytes copied into @a buf
*/
static size_t
-notify_send_probe (void *cls, size_t size, void *buf)
+notify_send_probe (void *cls,
+ size_t size,
+ void *buf)
{
struct TCPProbeContext *tcp_probe_ctx = cls;
struct Plugin *plugin = tcp_probe_ctx->plugin;
@@ -2314,6 +2357,7 @@ notify_send_probe (void *cls, size_t size, void *buf)
return ret;
}
+
/**
* Function called by the NAT subsystem suggesting another peer wants
* to connect to us via connection reversal. Try to connect back to the
@@ -2324,8 +2368,9 @@ notify_send_probe (void *cls, size_t size, void *buf)
* @param addrlen number of bytes in @a addr
*/
static void
-try_connection_reversal (void *cls, const struct sockaddr *addr,
- socklen_t addrlen)
+try_connection_reversal (void *cls,
+ const struct sockaddr *addr,
+ socklen_t addrlen)
{
struct Plugin *plugin = cls;
struct GNUNET_CONNECTION_Handle *sock;
@@ -2359,6 +2404,7 @@ try_connection_reversal (void *cls, const struct sockaddr *addr,
}
+
/**
* Function obtain the network type for a session
*
@@ -2367,9 +2413,11 @@ try_connection_reversal (void *cls, const struct sockaddr *addr,
* @return the network type in HBO or #GNUNET_SYSERR
*/
static enum GNUNET_ATS_Network_Type
-tcp_get_network (void *cls, struct Session *session)
+tcp_get_network (void *cls,
+ struct Session *session)
{
struct Plugin * plugin = cls;
+
GNUNET_assert (NULL != plugin);
GNUNET_assert (NULL != session);
if (GNUNET_SYSERR == find_session (plugin,session))
@@ -2377,6 +2425,7 @@ tcp_get_network (void *cls, struct Session *session)
return session->ats_address_network_type;
}
+
/**
* Entry point for the plugin.
*
@@ -2386,12 +2435,15 @@ tcp_get_network (void *cls, struct Session *session)
void *
libgnunet_plugin_transport_tcp_init (void *cls)
{
- static const struct GNUNET_SERVER_MessageHandler my_handlers[] = { {
- &handle_tcp_welcome, NULL, GNUNET_MESSAGE_TYPE_TRANSPORT_TCP_WELCOME,
- sizeof(struct WelcomeMessage) }, { &handle_tcp_nat_probe, NULL,
- GNUNET_MESSAGE_TYPE_TRANSPORT_TCP_NAT_PROBE,
- sizeof(struct TCP_NAT_ProbeMessage) }, { &handle_tcp_data, NULL,
- GNUNET_MESSAGE_TYPE_ALL, 0 }, { NULL, NULL, 0, 0 } };
+ static const struct GNUNET_SERVER_MessageHandler my_handlers[] = {
+ { &handle_tcp_welcome, NULL,
+ GNUNET_MESSAGE_TYPE_TRANSPORT_TCP_WELCOME, sizeof(struct WelcomeMessage) },
+ { &handle_tcp_nat_probe, NULL,
+ GNUNET_MESSAGE_TYPE_TRANSPORT_TCP_NAT_PROBE, sizeof(struct TCP_NAT_ProbeMessage) },
+ { &handle_tcp_data, NULL,
+ GNUNET_MESSAGE_TYPE_ALL, 0 },
+ { NULL, NULL, 0, 0 }
+ };
struct GNUNET_TRANSPORT_PluginEnvironment *env = cls;
struct GNUNET_TRANSPORT_PluginFunctions *api;
struct Plugin *plugin;
@@ -2418,10 +2470,12 @@ libgnunet_plugin_transport_tcp_init (void *cls)
return api;
}
- GNUNET_assert(NULL != env->cfg);
- if (GNUNET_OK
- != GNUNET_CONFIGURATION_get_value_number (env->cfg, "transport-tcp",
- "MAX_CONNECTIONS", &max_connections))
+ GNUNET_assert (NULL != env->cfg);
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_number (env->cfg,
+ "transport-tcp",
+ "MAX_CONNECTIONS",
+ &max_connections))
max_connections = 128;
aport = 0;
@@ -2466,34 +2520,38 @@ libgnunet_plugin_transport_tcp_init (void *cls)
plugin->adv_port = aport;
plugin->env = env;
plugin->lsock = NULL;
- if ((service != NULL )&&
- (GNUNET_SYSERR !=
- (ret_s =
- GNUNET_SERVICE_get_server_addresses ("transport-tcp", env->cfg, &addrs,
- &addrlens)))){
- for (ret = ret_s-1; ret >= 0; ret--)
- LOG (GNUNET_ERROR_TYPE_INFO,
- "Binding to address `%s'\n",
- GNUNET_a2s (addrs[ret], addrlens[ret]));
- plugin->nat =
- GNUNET_NAT_register (env->cfg, GNUNET_YES, aport, (unsigned int) ret_s,
- (const struct sockaddr **) addrs, addrlens,
- &tcp_nat_port_map_callback,
- &try_connection_reversal, plugin);
- for (ret = ret_s -1; ret >= 0; ret--)
- {
- GNUNET_assert (addrs[ret] != NULL);
- GNUNET_free (addrs[ret]);
- }
- GNUNET_free_non_null (addrs);
- GNUNET_free_non_null (addrlens);
-}
-else
-{
- plugin->nat = GNUNET_NAT_register (plugin->env->cfg,
- GNUNET_YES, 0, 0, NULL, NULL, NULL,
- &try_connection_reversal, plugin);
-}
+ if ( (service != NULL) &&
+ (GNUNET_SYSERR !=
+ (ret_s =
+ GNUNET_SERVICE_get_server_addresses ("transport-tcp",
+ env->cfg,
+ &addrs,
+ &addrlens))))
+ {
+ for (ret = ret_s-1; ret >= 0; ret--)
+ LOG (GNUNET_ERROR_TYPE_INFO,
+ "Binding to address `%s'\n",
+ GNUNET_a2s (addrs[ret], addrlens[ret]));
+ plugin->nat
+ = GNUNET_NAT_register (env->cfg,
+ GNUNET_YES,
+ aport,
+ (unsigned int) ret_s,
+ (const struct sockaddr **) addrs, addrlens,
+ &tcp_nat_port_map_callback,
+ &try_connection_reversal,
+ plugin);
+ for (ret = ret_s -1; ret >= 0; ret--)
+ GNUNET_free (addrs[ret]);
+ GNUNET_free_non_null (addrs);
+ GNUNET_free_non_null (addrlens);
+ }
+ else
+ {
+ plugin->nat = GNUNET_NAT_register (plugin->env->cfg,
+ GNUNET_YES, 0, 0, NULL, NULL, NULL,
+ &try_connection_reversal, plugin);
+ }
api = GNUNET_new (struct GNUNET_TRANSPORT_PluginFunctions);
api->cls = plugin;
api->send = &tcp_plugin_send;
@@ -2516,41 +2574,46 @@ else
}
else
{
- if (GNUNET_OK
- != GNUNET_CONFIGURATION_get_value_time (env->cfg, "transport-tcp",
- "TIMEOUT", &idle_timeout))
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_time (env->cfg,
+ "transport-tcp",
+ "TIMEOUT",
+ &idle_timeout))
{
- GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR, "transport-tcp",
- "TIMEOUT");
- if (plugin->nat != NULL )
+ GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+ "transport-tcp",
+ "TIMEOUT");
+ if (NULL != plugin->nat)
GNUNET_NAT_unregister (plugin->nat);
GNUNET_free(plugin);
GNUNET_free(api);
- return NULL ;
+ return NULL;
}
- plugin->server = GNUNET_SERVER_create_with_sockets (
- &plugin_tcp_access_check, plugin, NULL, idle_timeout, GNUNET_YES);
+ plugin->server = GNUNET_SERVER_create_with_sockets (&plugin_tcp_access_check,
+ plugin, NULL,
+ idle_timeout, GNUNET_YES);
}
plugin->handlers = GNUNET_malloc (sizeof (my_handlers));
memcpy (plugin->handlers, my_handlers, sizeof(my_handlers));
- for (i = 0;
- i < sizeof(my_handlers) / sizeof(struct GNUNET_SERVER_MessageHandler);
- i++)
+ for (i = 0;i < sizeof(my_handlers) / sizeof(struct GNUNET_SERVER_MessageHandler);i++)
plugin->handlers[i].callback_cls = plugin;
GNUNET_SERVER_add_handlers (plugin->server, plugin->handlers);
GNUNET_SERVER_disconnect_notify (plugin->server, &disconnect_notify, plugin);
plugin->nat_wait_conns = GNUNET_CONTAINER_multipeermap_create (16,
- GNUNET_YES);
- if (bport != 0)
- LOG(GNUNET_ERROR_TYPE_INFO, _("TCP transport listening on port %llu\n"),
- bport);
+ GNUNET_YES);
+ if (0 != bport)
+ LOG (GNUNET_ERROR_TYPE_INFO,
+ _("TCP transport listening on port %llu\n"),
+ bport);
else
- LOG(GNUNET_ERROR_TYPE_INFO,
- _("TCP transport not listening on any port (client only)\n"));
- if (aport != bport)
- LOG(GNUNET_ERROR_TYPE_INFO,
- _("TCP transport advertises itself as being on port %llu\n"), aport);
+ LOG (GNUNET_ERROR_TYPE_INFO,
+ _("TCP transport not listening on any port (client only)\n"));
+ if ( (aport != bport) &&
+ (0 != bport) )
+ LOG (GNUNET_ERROR_TYPE_INFO,
+ _("TCP transport advertises itself as being on port %llu\n"),
+ aport);
/* Initially set connections to 0 */
GNUNET_assert(NULL != plugin->env->stats);
GNUNET_STATISTICS_set (plugin->env->stats,
@@ -2558,6 +2621,7 @@ else
return api;
}
+
/**
* Exit point from the plugin.
*
@@ -2578,14 +2642,17 @@ libgnunet_plugin_transport_tcp_done (void *cls)
GNUNET_free(api);
return NULL ;
}
- LOG(GNUNET_ERROR_TYPE_DEBUG, "Shutting down TCP plugin\n");
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Shutting down TCP plugin\n");
/* Removing leftover sessions */
GNUNET_CONTAINER_multipeermap_iterate (plugin->sessionmap,
- &session_disconnect_it, plugin);
+ &session_disconnect_it,
+ plugin);
/* Removing leftover NAT sessions */
GNUNET_CONTAINER_multipeermap_iterate (plugin->nat_wait_conns,
- &session_disconnect_it, plugin);
+ &session_disconnect_it,
+ plugin);
next = ppc_dll_head;
for (cur = next; NULL != cur; cur = next)
@@ -2599,12 +2666,12 @@ libgnunet_plugin_transport_tcp_done (void *cls)
GNUNET_break(0);
}
- if (plugin->service != NULL )
+ if (NULL != plugin->service)
GNUNET_SERVICE_stop (plugin->service);
else
GNUNET_SERVER_destroy (plugin->server);
GNUNET_free(plugin->handlers);
- if (plugin->nat != NULL )
+ if (NULL != plugin->nat)
GNUNET_NAT_unregister (plugin->nat);
while (NULL != (tcp_probe = plugin->probe_head))
{
@@ -2617,7 +2684,7 @@ libgnunet_plugin_transport_tcp_done (void *cls)
GNUNET_CONTAINER_multipeermap_destroy (plugin->sessionmap);
GNUNET_free(plugin);
GNUNET_free(api);
- return NULL ;
+ return NULL;
}
/* end of plugin_transport_tcp.c */
diff --git a/src/util/service.c b/src/util/service.c
@@ -501,7 +501,7 @@ add_unixpath (struct sockaddr **saddrs, socklen_t * saddrlens,
* addresses the server should bind to and listen on; the
* array will be NULL-terminated (on success)
* @param addr_lens set (call by reference) to an array of the lengths
- * of the respective 'struct sockaddr' struct in the 'addrs'
+ * of the respective `struct sockaddr` struct in the @a addrs
* array (on success)
* @return number of addresses found on success,
* #GNUNET_SYSERR if the configuration
@@ -513,8 +513,8 @@ add_unixpath (struct sockaddr **saddrs, socklen_t * saddrlens,
*/
int
GNUNET_SERVICE_get_server_addresses (const char *service_name,
- const struct GNUNET_CONFIGURATION_Handle
- *cfg, struct sockaddr ***addrs,
+ const struct GNUNET_CONFIGURATION_Handle *cfg,
+ struct sockaddr ***addrs,
socklen_t ** addr_lens)
{
int disablev6;
