From 5a028c05614f71e6279a98e97aa32660b4c3d412 Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Sat, 17 Apr 2010 16:53:42 +0000
Subject: peerinfo API redesign

---
 src/include/gnunet_peerinfo_service.h | 86 ++++++++++++++++++++++++++++++++++-
 1 file changed, 85 insertions(+), 1 deletion(-)

(limited to 'src/include/gnunet_peerinfo_service.h')

diff --git a/src/include/gnunet_peerinfo_service.h b/src/include/gnunet_peerinfo_service.h
index 6deed04d9..e84b2ca4e 100644
--- a/src/include/gnunet_peerinfo_service.h
+++ b/src/include/gnunet_peerinfo_service.h
@@ -1,6 +1,6 @@
 /*
      This file is part of GNUnet
-     (C) 2009 Christian Grothoff (and other contributing authors)
+     (C) 2009, 2010 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
@@ -42,6 +42,57 @@ extern "C"
 #endif
 
 
+/**
+ * Handle to the peerinfo service.
+ */
+struct GNUNET_PEERINFO_Handle;
+
+
+/**
+ * Connect to the peerinfo service.
+ *
+ * @param cfg configuration to use
+ * @param sched scheduler to use
+ * @return NULL on error (configuration related, actual connection
+ *         etablishment may happen asynchronously).
+ */
+struct GNUNET_PEERINFO_Handle *
+GNUNET_PEERINFO_connect (const struct GNUNET_CONFIGURATION_Handle *cfg,
+			 struct GNUNET_SCHEDULER_Handle *sched);
+
+
+/**
+ * Disconnect from the peerinfo service.  Note that all iterators must
+ * have completed or have been cancelled by the time this function is
+ * called (otherwise, calling this function is a serious error).
+ * Furthermore, if 'GNUNET_PEERINFO_add_peer' operations are still
+ * pending, they will be cancelled silently on disconnect.
+ *
+ * @param h handle to disconnect
+ */
+void
+GNUNET_PEERINFO_disconnect (struct GNUNET_PEERINFO_Handle *h);
+
+
+/**
+ * Add a host to the persistent list.  This method operates in 
+ * semi-reliable mode: if the transmission is not completed by
+ * the time 'GNUNET_PEERINFO_disconnect' is called, it will be
+ * aborted.  Furthermore, if a second HELLO is added for the
+ * same peer before the first one was transmitted, PEERINFO may
+ * merge the two HELLOs prior to transmission to the service.
+ *
+ * @param h handle to the peerinfo service
+ * @param peer identity of the peer
+ * @param hello the verified (!) HELLO message
+ */
+void
+GNUNET_PEERINFO_add_peer_new (struct GNUNET_PEERINFO_Handle *h,
+			      const struct GNUNET_PeerIdentity *peer,
+			      const struct GNUNET_HELLO_Message *hello);
+
+
+
 /**
  * Add a host to the persistent list.
  *
@@ -109,6 +160,39 @@ GNUNET_PEERINFO_iterate (const struct GNUNET_CONFIGURATION_Handle *cfg,
                          void *callback_cls);
 
 
+
+/**
+ * Call a method for each known matching host and change its trust
+ * value.  The callback method will be invoked once for each matching
+ * host and then finally once with a NULL pointer.  After that final
+ * invocation, the iterator context must no longer be used.
+ *
+ * Note that the last call can be triggered by timeout or by simply
+ * being done; however, the trust argument will be set to zero if we
+ * are done, 1 if we timed out and 2 for fatal error.
+ *
+ * Instead of calling this function with 'peer == NULL' and 'trust ==
+ * 0', it is often better to use 'GNUNET_PEERINFO_notify'.
+ * 
+ * @param h handle to the peerinfo service
+ * @param peer restrict iteration to this peer only (can be NULL)
+ * @param trust_delta how much to change the trust in all matching peers
+ * @param timeout how long to wait until timing out
+ * @param callback the method to call for each peer
+ * @param callback_cls closure for callback
+ * @return NULL on error (in this case, 'callback' is never called!), 
+ *         otherwise an iterator context
+ */
+struct GNUNET_PEERINFO_IteratorContext *
+GNUNET_PEERINFO_iterate_new (struct GNUNET_PEERINFO_Handle *h,
+			     const struct GNUNET_PeerIdentity *peer,
+			     int trust_delta,
+			     struct GNUNET_TIME_Relative timeout,
+			     GNUNET_PEERINFO_Processor callback,
+			     void *callback_cls);
+
+
+
 /**
  * Cancel an iteration over peer information.
  *
-- 
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