#include "gnunet_transport_service.h"
#include "gnunet_transport_plugin.h"
-#define DEBUG_TEMPLATE GNUNET_NO
+#define DEBUG_TEMPLATE GNUNET_EXTRA_LOGGING
/**
* After how long do we expire an address that we
*/
struct Session
{
+ /**
+ * To whom are we talking to (set to our identity
+ * if we are still waiting for the welcome message)
+ */
+ struct GNUNET_PeerIdentity sender;
/**
* Stored in a linked list.
*/
void *transmit_cont_cls;
- /**
- * To whom are we talking to (set to our identity
- * if we are still waiting for the welcome message)
- */
- struct GNUNET_PeerIdentity sender;
-
/**
* At what time did we reset last_received last?
*/
};
+
/**
* Function that can be used by the transport service to transmit
- * a message using the plugin.
+ * a message using the plugin. Note that in the case of a
+ * peer disconnecting, the continuation MUST be called
+ * prior to the disconnect notification itself. This function
+ * will be called with this peer's HELLO message to initiate
+ * a fresh connection to another peer.
*
* @param cls closure
- * @param target who should receive this message
- * @param priority how important is the message
+ * @param session which session must be used
* @param msgbuf the message to transmit
* @param msgbuf_size number of bytes in 'msgbuf'
- * @param timeout when should we time out
- * @param session which session must be used (or NULL for "any")
- * @param addr the address to use (can be NULL if the plugin
- * is "on its own" (i.e. re-use existing TCP connection))
- * @param addrlen length of the address in bytes
- * @param force_address GNUNET_YES if the plugin MUST use the given address,
- * otherwise the plugin may use other addresses or
- * existing connections (if available)
+ * @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
+ * require plugins to discard the message after the timeout,
+ * just advisory for the desired delay; most plugins will ignore
+ * this as well)
* @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...)
+ * peer disconnected...); can be NULL
* @param cont_cls closure for 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
*/
static ssize_t
template_plugin_send (void *cls,
- const struct GNUNET_PeerIdentity *target,
- const char *msgbuf,
- size_t msgbuf_size,
- unsigned int priority,
- struct GNUNET_TIME_Relative timeout,
- struct Session *session,
- const void *addr,
- size_t addrlen,
- int force_address,
- GNUNET_TRANSPORT_TransmitContinuation
- cont, void *cont_cls)
+ struct Session *session,
+ const char *msgbuf, size_t msgbuf_size,
+ unsigned int priority,
+ struct GNUNET_TIME_Relative to,
+ GNUNET_TRANSPORT_TransmitContinuation cont, void *cont_cls)
{
+ struct Plugin *plugin = cls;
int bytes_sent = 0;
+ GNUNET_assert (plugin != NULL);
+ GNUNET_assert (session != NULL);
+
/* struct Plugin *plugin = cls; */
return bytes_sent;
}
* @param asc_cls closure for asc
*/
static void
-template_plugin_address_pretty_printer (void *cls,
- const char *type,
- const void *addr,
- size_t addrlen,
+template_plugin_address_pretty_printer (void *cls, const char *type,
+ const void *addr, size_t addrlen,
int numeric,
struct GNUNET_TIME_Relative timeout,
GNUNET_TRANSPORT_AddressStringCallback
}
+/**
+ * Function called to convert a string address to
+ * a binary address.
+ *
+ * @param cls closure ('struct Plugin*')
+ * @param addr string address
+ * @param addrlen length of the address
+ * @param buf location to store the buffer
+ * @param added location to store the number of bytes in the buffer.
+ * If the function returns GNUNET_SYSERR, its contents are undefined.
+ * @return GNUNET_OK on success, GNUNET_SYSERR on failure
+ */
+static int
+template_plugin_string_to_address (void *cls, const char *addr, uint16_t addrlen,
+ void **buf, size_t *added)
+{
+ GNUNET_break (0);
+ return GNUNET_SYSERR;
+}
+
+/**
+ * Create a new session to transmit data to the target
+ * This session will used to send data to this peer and the plugin will
+ * notify us by calling the env->session_end function
+ *
+ * @param cls closure
+ * @param address pointer to the GNUNET_HELLO_Address
+ * @return the session if the address is valid, NULL otherwise
+ */
+static struct Session *
+template_plugin_get_session (void *cls,
+ const struct GNUNET_HELLO_Address *address)
+{
+ GNUNET_break (0);
+ return NULL;
+}
/**
* Entry point for the plugin.
struct GNUNET_TRANSPORT_PluginFunctions *api;
struct Plugin *plugin;
+ if (NULL == env->receive)
+ {
+ /* 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->cls = NULL;
+ api->address_to_string = &template_plugin_address_to_string;
+ api->string_to_address = &template_plugin_string_to_address;
+ api->address_pretty_printer = &template_plugin_address_pretty_printer;
+ return api;
+ }
+
plugin = GNUNET_malloc (sizeof (struct Plugin));
plugin->env = env;
api = GNUNET_malloc (sizeof (struct GNUNET_TRANSPORT_PluginFunctions));
api->address_pretty_printer = &template_plugin_address_pretty_printer;
api->check_address = &template_plugin_address_suggested;
api->address_to_string = &template_plugin_address_to_string;
+ api->string_to_address = &template_plugin_string_to_address;
+ api->get_session = &template_plugin_get_session;
+
return api;
}