static void
unix_plugin_select (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
+
/**
* Function called for a quick conversion of the binary address to
* a numeric address. Note that the caller must not free the
* @return string representing the same address
*/
static const char *
-unix_address_to_string (void *cls, const void *addr, size_t addrlen);
+unix_address_to_string (void *cls, const void *addr, size_t addrlen)
+{
+ static char rbuf[1024];
+ struct UnixAddress *ua = (struct UnixAddress *) addr;
+ char *addrstr;
+ size_t addr_str_len;
+
+ if ((NULL == addr) || (sizeof (struct UnixAddress) > addrlen))
+ {
+ GNUNET_break(0);
+ return NULL ;
+ }
+ addrstr = (char *) &ua[1];
+ addr_str_len = ntohl (ua->addrlen);
+
+ if (addr_str_len != addrlen - sizeof(struct UnixAddress))
+ {
+ GNUNET_break(0);
+ return NULL ;
+ }
+
+ if ('\0' != addrstr[addr_str_len - 1])
+ {
+ GNUNET_break(0);
+ return NULL ;
+ }
+ if (strlen (addrstr) + 1 != addr_str_len)
+ {
+ GNUNET_break(0);
+ return NULL ;
+ }
+
+ GNUNET_snprintf (rbuf, sizeof(rbuf), "%s.%u.%s", PLUGIN_NAME,
+ ntohl (ua->options), addrstr);
+ return rbuf;
+}
+
static struct sockaddr_un *
-unix_address_to_sockaddr (const char *unixpath , socklen_t *sock_len)
+unix_address_to_sockaddr (const char *unixpath,
+ socklen_t *sock_len)
{
struct sockaddr_un *un;
size_t slen;
#if HAVE_SOCKADDR_IN_SIN_LEN
un->sun_len = (u_char) slen;
#endif
-#if LINUX
- un->sun_path[0] = '\0';
-#endif
-
(*sock_len) = slen;
return un;
}
+
/**
* Re-schedule the main 'select' callback (unix_plugin_select)
* for this plugin.
/**
- * Closure to 'lookup_session_it'.
+ * Closure to #lookup_session_it.
*/
struct LookupCtx
{
*/
const struct UnixAddress *ua;
+ /**
+ * Number of bytes in @e ua
+ */
size_t ua_len;
};
* @param cls the 'struct LookupCtx'
* @param key peer we are looking for (unused)
* @param value a session
- * @return GNUNET_YES if not found (continue looking), GNUNET_NO on success
+ * @return #GNUNET_YES if not found (continue looking), #GNUNET_NO on success
*/
static int
lookup_session_it (void *cls,
if (t->addrlen != lctx->ua_len)
{
- GNUNET_break (0);
+ GNUNET_break (0);
return GNUNET_YES;
}
{
struct LookupCtx lctx;
- GNUNET_assert (NULL != plugin);
- GNUNET_assert (NULL != sender);
- GNUNET_assert (NULL != ua);
lctx.s = NULL;
lctx.ua = ua;
lctx.ua_len = ua_len;
* to close a session due to a disconnect or failure to
* establish a connection.
*
+ * @param cls closure with the `struct Plugin`
* @param s session to close down
+ * @return #GNUNET_OK on success
*/
-static void
-disconnect_session (struct Session *s)
+static int
+unix_session_disconnect (void *cls,
+ struct Session *s)
{
- struct Plugin *plugin = s->plugin;
+ struct Plugin *plugin = cls;
struct UNIXMessageWrapper *msgw;
struct UNIXMessageWrapper *next;
int removed;
s->timeout_task = GNUNET_SCHEDULER_NO_TASK;
}
GNUNET_free (s);
+ return GNUNET_OK;
+}
+
+
+/**
+ * Function that is called to get the keepalive factor.
+ * GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT is divided by this number to
+ * calculate the interval between keepalive packets.
+ *
+ * @param cls closure with the `struct Plugin`
+ * @return keepalive factor
+ */
+static unsigned int
+unix_query_keepalive_factor (void *cls)
+{
+ return 3;
}
* @param priority how important is the message (ignored by UNIX)
* @param timeout when should we time out (give up) if we can not transmit?
* @param addr the addr to send the message to, needs to be a sockaddr for us
- * @param addrlen the len of addr
+ * @param addrlen the len of @a addr
* @param payload bytes payload to send
* @param cont continuation to call once the message has
* been transmitted (or if the transport is ready
* for the next transmission call; or if the
* peer disconnected...)
- * @param cont_cls closure for cont
+ * @param cont_cls closure for @a cont
* @return on success the number of bytes written, RETRY for retry, -1 on errors
*/
static ssize_t
socklen_t un_len;
const char *unixpath;
-
GNUNET_assert (NULL != plugin);
if (NULL == send_handle)
{
const char *address;
/**
- * Number of bytes in 'address'
+ * Number of bytes in @e address
*/
size_t addrlen;
};
* @param cls the 'struct LookupCtx'
* @param key peer we are looking for (unused)
* @param value a session
- * @return GNUNET_YES if not found (continue looking), GNUNET_NO on success
+ * @return #GNUNET_YES if not found (continue looking), #GNUNET_NO on success
*/
static int
get_session_it (void *cls,
s,
GNUNET_STRINGS_relative_time_to_string (GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT,
GNUNET_YES));
- disconnect_session (s);
+ unix_session_disconnect (s->plugin, s);
}
*
* @param cls closure ('struct Plugin*')
* @param session the session
- * @return the network type in HBO or GNUNET_SYSERR
+ * @return the network type in HBO or #GNUNET_SYSERR
*/
static enum GNUNET_ATS_Network_Type
unix_get_network (void *cls,
return s;
}
+static void
+unix_plugin_update_session_timeout (void *cls,
+ const struct GNUNET_PeerIdentity *peer,
+ struct Session *session)
+{
+ struct Plugin *plugin = cls;
+
+ if (GNUNET_OK !=
+ GNUNET_CONTAINER_multipeermap_contains_value (plugin->session_map,
+ &session->target,
+ session))
+ return;
+
+ reschedule_session_timeout (session);
+}
/**
* Function that can be used by the transport service to transmit
* @param cls closure
* @param session which session must be used
* @param msgbuf the message to transmit
- * @param msgbuf_size number of bytes in 'msgbuf'
+ * @param msgbuf_size number of bytes in @a msgbuf
* @param priority how important is the message (most plugins will
* ignore message priority and just FIFO)
* @param to how long to wait at most for the transmission (does not
* been transmitted (or if the transport is ready
* for the next transmission call; or if the
* peer disconnected...); can be NULL
- * @param cont_cls closure for cont
+ * @param cont_cls closure for @a cont
* @return number of bytes used (on the physical network, with overheads);
* -1 on hard errors (i.e. address invalid); 0 is a legal value
* and does NOT mean that the message was not transmitted (DV)
struct UNIXMessage *message;
int ssize;
- GNUNET_assert (NULL != plugin);
- GNUNET_assert (NULL != session);
-
if (GNUNET_OK !=
GNUNET_CONTAINER_multipeermap_contains_value (plugin->session_map,
&session->target,
memcpy (&message->sender, plugin->env->my_identity,
sizeof (struct GNUNET_PeerIdentity));
memcpy (&message[1], msgbuf, msgbuf_size);
- reschedule_session_timeout (session);
- wrapper = GNUNET_malloc (sizeof (struct UNIXMessageWrapper));
+
+ wrapper = GNUNET_new (struct UNIXMessageWrapper);
wrapper->msg = message;
wrapper->msgsize = ssize;
wrapper->payload = msgbuf_size;
* @param sender from which peer the message was received
* @param currhdr pointer to the header of the message
* @param ua address to look for
- * @param ua_len length of the address
+ * @param ua_len length of the address @a ua
*/
static void
unix_demultiplexer (struct Plugin *plugin, struct GNUNET_PeerIdentity *sender,
struct GNUNET_HELLO_Address * addr;
GNUNET_break (ntohl(plugin->ats_network.value) != GNUNET_ATS_NET_UNSPECIFIED);
-
GNUNET_assert (ua_len >= sizeof (struct UnixAddress));
-
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Received message from %s\n",
unix_address_to_string(NULL, ua, ua_len));
}
else
{
-#if LINUX
- un.sun_path[0] = '/';
-#endif
- LOG (GNUNET_ERROR_TYPE_DEBUG, "Read %d bytes from socket %s\n", ret,
- &un.sun_path[0]);
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Read %d bytes from socket %s\n",
+ (int) ret,
+ un.sun_path);
}
GNUNET_assert (AF_UNIX == (un.sun_family));
- ua_len = sizeof (struct UnixAddress) + strlen (&un.sun_path[0]) +1;
+ ua_len = sizeof (struct UnixAddress) + strlen (un.sun_path) + 1;
ua = GNUNET_malloc (ua_len);
ua->addrlen = htonl (strlen (&un.sun_path[0]) +1);
ua->options = htonl (0);
- memcpy (&ua[1], &un.sun_path[0], strlen (&un.sun_path[0]) +1);
+ memcpy (&ua[1], &un.sun_path[0], strlen (un.sun_path) + 1);
msg = (struct UNIXMessage *) buf;
csize = ntohs (msg->header.size);
* Create a slew of UNIX sockets. If possible, use IPv6 and IPv4.
*
* @param cls closure for server start, should be a struct Plugin *
- * @return number of sockets created or GNUNET_SYSERR on error
+ * @return number of sockets created or #GNUNET_SYSERR on error
*/
static int
unix_transport_server_start (void *cls)
GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, "socket");
return GNUNET_SYSERR;
}
- if (GNUNET_NETWORK_socket_bind (plugin->unix_sock.desc, (const struct sockaddr *) un, un_len, 0)
- != GNUNET_OK)
+ if (GNUNET_OK !=
+ GNUNET_NETWORK_socket_bind (plugin->unix_sock.desc, (const struct sockaddr *) un, un_len))
{
GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, "bind");
GNUNET_NETWORK_socket_close (plugin->unix_sock.desc);
}
-/**
- * Function called for a quick conversion of the binary address to
- * a numeric address. Note that the caller must not free the
- * address and that the next call to this function is allowed
- * to override the address again.
- *
- * @param cls closure
- * @param addr binary address
- * @param addrlen length of the address
- * @return string representing the same address
- */
-static const char *
-unix_address_to_string (void *cls, const void *addr, size_t addrlen)
-{
- static char rbuf[1024];
- struct UnixAddress *ua = (struct UnixAddress *) addr;
- char *addrstr;
- size_t addr_str_len;
-
- if ((NULL == addr) || (sizeof (struct UnixAddress) > addrlen))
- {
- GNUNET_break(0);
- return NULL ;
- }
- addrstr = (char *) &ua[1];
- addr_str_len = ntohl (ua->addrlen);
-
- if (addr_str_len != addrlen - sizeof(struct UnixAddress))
- {
- GNUNET_break(0);
- return NULL ;
- }
-
- if ('\0' != addrstr[addr_str_len - 1])
- {
- GNUNET_break(0);
- return NULL ;
- }
- if (strlen (addrstr) + 1 != addr_str_len)
- {
- GNUNET_break(0);
- return NULL ;
- }
-
- GNUNET_snprintf (rbuf, sizeof(rbuf), "%s.%u.%s", PLUGIN_NAME,
- ntohl (ua->options), addrstr);
- return rbuf;
-}
-
/**
* Function that will be called to check if a binary address for this
* plugin is well-formed and corresponds to an address for THIS peer
static int
unix_check_address (void *cls, const void *addr, size_t addrlen)
{
- struct Plugin* plugin = cls;
- struct UnixAddress *ua = (struct UnixAddress *) addr;
- char *addrstr;
- size_t addr_str_len;
+ struct Plugin* plugin = cls;
+ struct UnixAddress *ua = (struct UnixAddress *) addr;
+ char *addrstr;
+ size_t addr_str_len;
if ((NULL == addr) || (0 == addrlen) || (sizeof (struct UnixAddress) > addrlen))
{
* @param type name of the transport that generated the address
* @param addr one of the addresses of the host, NULL for the last address
* the specific address format depends on the transport
- * @param addrlen length of the address
+ * @param addrlen length of the @a addr
* @param numeric should (IP) addresses be displayed in numeric form?
* @param timeout after how long should we give up?
* @param asc function to call on each string
- * @param asc_cls closure for asc
+ * @param asc_cls closure for @a asc
*/
static void
unix_plugin_address_pretty_printer (void *cls, const char *type,
*
* @param cls closure ('struct Plugin*')
* @param addr string address
- * @param addrlen length of the address (strlen(addr) + '\0')
+ * @param addrlen length of the @a addr (strlen(addr) + '\0')
* @param buf location to store the buffer
- * If the function returns GNUNET_SYSERR, its contents are undefined.
+ * If the function returns #GNUNET_SYSERR, its contents are undefined.
* @param added length of created address
- * @return GNUNET_OK on success, GNUNET_SYSERR on failure
+ * @return #GNUNET_OK on success, #GNUNET_SYSERR on failure
*/
static int
-unix_string_to_address (void *cls, const char *addr, uint16_t addrlen,
- void **buf, size_t *added)
+unix_string_to_address (void *cls,
+ const char *addr, uint16_t addrlen,
+ void **buf, size_t *added)
{
- struct UnixAddress *ua;
+ struct UnixAddress *ua;
char *address;
char *plugin;
char *optionstr;
return GNUNET_SYSERR;
}
optionstr[0] = '\0';
- optionstr ++;
+ optionstr++;
options = atol (optionstr);
address = strchr (optionstr, '.');
if (NULL == address)
return GNUNET_SYSERR;
}
address[0] = '\0';
- address ++;
+ address++;
if (0 != strcmp(plugin, PLUGIN_NAME))
{
GNUNET_break (0);
/**
* Function called on sessions to disconnect
*
- * @param cls the plugin (unused)
+ * @param cls the plugin
* @param key peer identity (unused)
* @param value the 'struct Session' to disconnect
- * @return GNUNET_YES (always, continue to iterate)
+ * @return #GNUNET_YES (always, continue to iterate)
*/
static int
get_session_delete_it (void *cls,
const struct GNUNET_PeerIdentity *key,
void *value)
{
+ struct Plugin *plugin = cls;
struct Session *s = value;
- disconnect_session (s);
+ unix_session_disconnect (plugin, s);
return GNUNET_YES;
}
* @return #GNUNET_OK on success, #GNUNET_SYSERR if the operation failed
*/
static void
-unix_disconnect (void *cls,
- const struct GNUNET_PeerIdentity *target)
+unix_peer_disconnect (void *cls,
+ const struct GNUNET_PeerIdentity *target)
{
struct Plugin *plugin = cls;
{
/* run in 'stub' mode (i.e. as part of gnunet-peerinfo), don't fully
initialze the plugin or the API */
- api = GNUNET_malloc (sizeof (struct GNUNET_TRANSPORT_PluginFunctions));
+ api = GNUNET_new (struct GNUNET_TRANSPORT_PluginFunctions);
api->cls = NULL;
api->address_pretty_printer = &unix_plugin_address_pretty_printer;
api->address_to_string = &unix_address_to_string;
GNUNET_CONFIGURATION_get_value_number (env->cfg, "transport-unix", "PORT",
&port))
port = UNIX_NAT_DEFAULT_PORT;
- plugin = GNUNET_malloc (sizeof (struct Plugin));
+ plugin = GNUNET_new (struct Plugin);
plugin->port = port;
plugin->env = env;
GNUNET_asprintf (&plugin->unix_socket_path,
/* Initialize my flags */
myoptions = 0;
- api = GNUNET_malloc (sizeof (struct GNUNET_TRANSPORT_PluginFunctions));
+ api = GNUNET_new (struct GNUNET_TRANSPORT_PluginFunctions);
api->cls = plugin;
api->get_session = &unix_plugin_get_session;
api->send = &unix_plugin_send;
- api->disconnect = &unix_disconnect;
+ api->disconnect_peer = &unix_peer_disconnect;
+ api->disconnect_session = &unix_session_disconnect;
+ api->query_keepalive_factor = &unix_query_keepalive_factor;
api->address_pretty_printer = &unix_plugin_address_pretty_printer;
api->address_to_string = &unix_address_to_string;
api->check_address = &unix_check_address;
api->string_to_address = &unix_string_to_address;
api->get_network = &unix_get_network;
+ api->update_session_timeout = &unix_plugin_update_session_timeout;
sockets_created = unix_transport_server_start (plugin);
if (0 == sockets_created)
LOG (GNUNET_ERROR_TYPE_WARNING,