/*
This file is part of GNUnet.
- (C) 2010,2011 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2010,2011 Christian Grothoff (and other contributing authors)
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
*/
#define HELLO_REFRESH_PERIOD GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_HOURS, 6)
+/**
+ * Hello address expiration
+ */
+extern struct GNUNET_TIME_Relative hello_expiration;
+
/**
* Entry in linked list of network addresses for ourselves. Also
struct OwnAddressList *prev;
/**
- * Name of the plugin.
+ * The address.
*/
- char *plugin_name;
+ struct GNUNET_HELLO_Address *address;
/**
* How long until the current signature expires? (ZERO if the
/**
* Signature for a 'struct TransportPongMessage' for this address.
*/
- struct GNUNET_CRYPTO_RsaSignature pong_signature;
-
- /**
- * Length of addr.
- */
- size_t addrlen;
+ struct GNUNET_CRYPTO_EddsaSignature pong_signature;
};
/**
* Identifier of 'refresh_hello' task.
*/
-static GNUNET_SCHEDULER_TaskIdentifier hello_task;
+static struct GNUNET_SCHEDULER_Task * hello_task;
/**
* @param cls the 'struct GeneratorContext'
* @param max maximum number of bytes left
* @param buf where to write the address
+ * @return bytes written or GNUNET_SYSERR to signal the
+ * end of the iteration.
*/
-static size_t
+static ssize_t
address_generator (void *cls, size_t max, void *buf)
{
struct GeneratorContext *gc = cls;
- size_t ret;
+ ssize_t ret;
if (NULL == gc->addr_pos)
- return 0;
- ret =
- GNUNET_HELLO_add_address (gc->addr_pos->plugin_name, gc->expiration,
- &gc->addr_pos[1], gc->addr_pos->addrlen, buf,
+ return GNUNET_SYSERR; /* Done */
+ ret = GNUNET_HELLO_add_address (gc->addr_pos->address, gc->expiration, buf,
max);
gc->addr_pos = gc->addr_pos->next;
return ret;
refresh_hello_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
struct GeneratorContext gc;
+ int friend_only;
- hello_task = GNUNET_SCHEDULER_NO_TASK;
+ hello_task = NULL;
gc.addr_pos = oal_head;
- gc.expiration =
- GNUNET_TIME_relative_to_absolute (GNUNET_CONSTANTS_HELLO_ADDRESS_EXPIRATION);
+ gc.expiration = GNUNET_TIME_relative_to_absolute (hello_expiration);
+
+
+ friend_only = GNUNET_HELLO_is_friend_only (our_hello);
GNUNET_free (our_hello);
- our_hello = GNUNET_HELLO_create (&GST_my_public_key, &address_generator, &gc);
-#if DEBUG_TRANSPORT
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG | GNUNET_ERROR_TYPE_BULK,
- "Refreshed my `%s', new size is %d\n", "HELLO",
- GNUNET_HELLO_size (our_hello));
-#endif
+ our_hello = GNUNET_HELLO_create (&GST_my_identity.public_key,
+ &address_generator,
+ &gc, friend_only);
+ GNUNET_assert (NULL != our_hello);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Refreshed my %s `%s', new size is %d\n",
+ (GNUNET_YES == GNUNET_HELLO_is_friend_only (our_hello)) ? "friend-only" : "public",
+ "HELLO", GNUNET_HELLO_size (our_hello));
GNUNET_STATISTICS_update (GST_stats, gettext_noop ("# refreshed my HELLO"), 1,
GNUNET_NO);
if (NULL != hello_cb)
hello_cb (hello_cb_cls, GST_hello_get ());
- GNUNET_PEERINFO_add_peer (GST_peerinfo, our_hello);
+ GNUNET_PEERINFO_add_peer (GST_peerinfo, our_hello, NULL, NULL);
hello_task =
GNUNET_SCHEDULER_add_delayed (HELLO_REFRESH_PERIOD, &refresh_hello_task,
NULL);
static void
refresh_hello ()
{
- if (hello_task != GNUNET_SCHEDULER_NO_TASK)
+ if (hello_task != NULL)
GNUNET_SCHEDULER_cancel (hello_task);
hello_task = GNUNET_SCHEDULER_add_now (&refresh_hello_task, NULL);
}
/**
* Initialize the HELLO module.
*
+ * @param friend_only use a friend only hello
* @param cb function to call whenever our HELLO changes
* @param cb_cls closure for cb
*/
void
-GST_hello_start (GST_HelloCallback cb, void *cb_cls)
+GST_hello_start (int friend_only, GST_HelloCallback cb, void *cb_cls)
{
hello_cb = cb;
hello_cb_cls = cb_cls;
- our_hello = GNUNET_HELLO_create (&GST_my_public_key, NULL, NULL);
+ our_hello = GNUNET_HELLO_create (&GST_my_identity.public_key,
+ NULL, NULL, friend_only);
+ GNUNET_assert (NULL != our_hello);
refresh_hello ();
}
{
hello_cb = NULL;
hello_cb_cls = NULL;
- if (GNUNET_SCHEDULER_NO_TASK != hello_task)
+ if (NULL != hello_task)
{
GNUNET_SCHEDULER_cancel (hello_task);
- hello_task = GNUNET_SCHEDULER_NO_TASK;
+ hello_task = NULL;
}
if (NULL != our_hello)
{
* Add or remove an address from this peer's HELLO message.
*
* @param addremove GNUNET_YES to add, GNUNET_NO to remove
- * @param plugin_name name of the plugin for which this is an address
- * @param plugin_address address in a plugin-specific format
- * @param plugin_address_len number of bytes in plugin_address
+ * @param address address to add or remove
*/
void
-GST_hello_modify_addresses (int addremove, const char *plugin_name,
- const void *plugin_address,
- size_t plugin_address_len)
+GST_hello_modify_addresses (int addremove,
+ const struct GNUNET_HELLO_Address *address)
{
struct OwnAddressList *al;
-#if DEBUG_TRANSPORT
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- (add_remove ==
- GNUNET_YES) ? "Adding `%s':%s to the set of our addresses\n" :
- "Removing `%s':%s from the set of our addresses\n",
- GST_plugins_a2s (plugin_name, addr, addrlen), p->short_name);
-#endif
- GNUNET_assert (plugin_address != NULL);
+ (addremove ==
+ GNUNET_YES) ? "Adding `%s' to the set of our addresses\n" :
+ "Removing `%s' from the set of our addresses\n",
+ GST_plugins_a2s (address));
+ GNUNET_assert (address != NULL);
if (GNUNET_NO == addremove)
{
for (al = oal_head; al != NULL; al = al->next)
- if ((plugin_address_len == al->addrlen) &&
- (0 == strcmp (al->plugin_name, plugin_name)) &&
- (0 == memcmp (plugin_address, &al[1], plugin_address_len)))
+ if (0 == GNUNET_HELLO_address_cmp (address, al->address))
{
GNUNET_CONTAINER_DLL_remove (oal_head, oal_tail, al);
- GNUNET_free (al->plugin_name);
+ GNUNET_HELLO_address_free (al->address);
GNUNET_free (al);
refresh_hello ();
return;
GNUNET_break (0);
return;
}
- al = GNUNET_malloc (sizeof (struct OwnAddressList) + plugin_address_len);
+ al = GNUNET_new (struct OwnAddressList);
GNUNET_CONTAINER_DLL_insert (oal_head, oal_tail, al);
- al->plugin_name = GNUNET_strdup (plugin_name);
- al->addrlen = plugin_address_len;
- memcpy (&al[1], plugin_address, plugin_address_len);
+ al->address = GNUNET_HELLO_address_copy (address);
refresh_hello ();
}
/**
* Test if a particular address is one of ours.
*
- * @param plugin_name name of the plugin for which this is an address
- * @param plugin_address address in a plugin-specific format
- * @param plugin_address_len number of bytes in plugin_address
+ * @param address address to test
* @param sig location where to cache PONG signatures for this address [set]
* @param sig_expiration how long until the current 'sig' expires?
* (ZERO if sig was never created) [set]
* GNUNET_NO if not
*/
int
-GST_hello_test_address (const char *plugin_name, const void *plugin_address,
- size_t plugin_address_len,
- struct GNUNET_CRYPTO_RsaSignature **sig,
+GST_hello_test_address (const struct GNUNET_HELLO_Address *address,
+ struct GNUNET_CRYPTO_EddsaSignature **sig,
struct GNUNET_TIME_Absolute **sig_expiration)
{
struct OwnAddressList *al;
for (al = oal_head; al != NULL; al = al->next)
- if ((plugin_address_len == al->addrlen) &&
- (0 == strcmp (al->plugin_name, plugin_name)) &&
- (0 == memcmp (plugin_address, &al[1], plugin_address_len)))
+ if (0 == GNUNET_HELLO_address_cmp (address, al->address))
{
*sig = &al->pong_signature;
*sig_expiration = &al->pong_sig_expires;
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