/**
* @file transport/gnunet-service-transport_validation.h
- * @brief plugin management API
+ * @brief address validation API
* @author Christian Grothoff
*/
#ifndef GNUNET_SERVICE_TRANSPORT_VALIDATION_H
#define GNUNET_SERVICE_TRANSPORT_VALIDATION_H
#include "gnunet_statistics_service.h"
-#include "gnunet_transport_validation.h"
+#include "gnunet_transport_plugin.h"
#include "gnunet_util_lib.h"
/**
- *
+ * Start the validation subsystem.
*/
void
GST_validation_start (void);
/**
- *
+ * Stop the validation subsystem.
*/
void
GST_validation_stop (void);
/**
+ * We've received a PING. If appropriate, generate a PONG.
*
+ * @param sender peer sending the PING
+ * @param hdr the PING
+ * @param plugin_name name of plugin that received the PING
+ * @param session session we got the PING from
+ * @param sender_address address of the sender as known to the plugin, NULL
+ * if we did not initiate the connection
+ * @param sender_address_len number of bytes in sender_address
*/
-int
-GST_validation_handle_ping (const GNUNET_PeerIdentity *sender,
+void
+GST_validation_handle_ping (const struct GNUNET_PeerIdentity *sender,
const struct GNUNET_MessageHeader *hdr,
const char *plugin_name,
+ struct Session *session,
const void *sender_address,
size_t sender_address_len);
+
/**
+ * We've received a PONG. Check if it matches a pending PING and
+ * mark the respective address as confirmed.
*
+ * @param sender peer sending the PONG
+ * @param hdr the PONG
+ * @param plugin_name name of plugin that received the PONG
+ * @param sender_address address of the sender as known to the plugin, NULL
+ * if we did not initiate the connection
+ * @param sender_address_len number of bytes in sender_address
*/
-int
-GST_validation_handle_pong (const GNUNET_PeerIdentity *sender,
+void
+GST_validation_handle_pong (const struct GNUNET_PeerIdentity *sender,
const struct GNUNET_MessageHeader *hdr,
const char *plugin_name,
const void *sender_address,
/**
+ * We've received a HELLO, check which addresses are new and trigger
+ * validation.
*
+ * @param hello the HELLO we received
*/
void
GST_validation_handle_hello (const struct GNUNET_MessageHeader *hello);
+/**
+ * Opaque handle to stop incremental validation address callbacks.
+ */
struct GST_ValidationIteratorContext;
+
/**
- * @param last_validated_at is FOREVER if the address has not been validated (we're currently checking)
- * is ZERO if the address was validated a long time ago (from PEERINFO)
- * is a time in the past if this process validated the address
+ * Function called for each address (or address status change) that
+ * the validation module is aware of (for the given target).
+ *
+ * @param cls closure
+ * @param public_key public key for the peer, never NULL
+ * @param target peer this change is about, never NULL
+ * @param valid_until is ZERO if we never validated the address,
+ * otherwise a time up to when we consider it (or was) valid
* @param validation_block is FOREVER if the address is for an unsupported plugin (from PEERINFO)
* is ZERO if the address is considered valid (no validation needed)
- * is a time in the future if we're currently denying re-validation
+ * otherwise a time in the future if we're currently denying re-validation
+ * @param plugin_name name of the plugin
+ * @param plugin_address binary address
+ * @param plugin_address_len length of address
*/
typedef void (*GST_ValidationAddressCallback)(void *cls,
- const GNUNET_PeerIdentity *target,
- struct GNUNET_TIME_Absolute last_validated_at,
+ const struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded *public_key,
+ const struct GNUNET_PeerIdentity *target,
+ struct GNUNET_TIME_Absolute valid_until,
struct GNUNET_TIME_Absolute validation_block,
const char *plugin_name,
const void *plugin_address,
size_t plugin_address_len);
+
+/**
+ * Call the given function for each address for the given target.
+ * Can either give a snapshot (synchronous API) or be continuous.
+ *
+ * @param target peer information is requested for
+ * @param snapshot_only GNUNET_YES to iterate over addresses once, GNUNET_NO to
+ * continue to give information about addresses as it evolves
+ * @param cb function to call; will not be called after this function returns
+ * if snapshot_only is GNUNET_YES
+ * @param cb_cls closure for 'cb'
+ * @return context to cancel, NULL if 'snapshot_only' is GNUNET_YES
+ */
struct GST_ValidationIteratorContext *
-GST_validation_get_addresses (const GNUNET_PeerIdentity *target,
+GST_validation_get_addresses (const struct GNUNET_PeerIdentity *target,
+ int snapshot_only,
GST_ValidationAddressCallback cb,
void *cb_cls);
-
+/**
+ * Cancel an active validation address iteration.
+ *
+ * @param ctx the context of the operation that is cancelled
+ */
void
GST_validation_get_addresses_cancel (struct GST_ValidationIteratorContext *ctx);
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