* Past messages are only available to slaves who were admitted at the time
* they were sent to the channel.
*/
- GNUNET_PSYC_CHANNEL_RESTRICTED_HISTORY = 1 << 1,
+ GNUNET_PSYC_CHANNEL_RESTRICTED_HISTORY = 1 << 1
};
+
/**
* PSYC channel policies.
*/
*/
GNUNET_PSYC_CHANNEL_PRIVATE
= GNUNET_PSYC_CHANNEL_ADMISSION_CONTROL
- | GNUNET_PSYC_CHANNEL_RESTRICTED_HISTORY,
+ | GNUNET_PSYC_CHANNEL_RESTRICTED_HISTORY
#if IDEAS_FOR_FUTURE
/**
*/
GNUNET_PSYC_CHANNEL_CLOSED
= GNUNET_PSYC_CHANNEL_ADMISSION_CONTROL,
-,
#endif
-
};
enum GNUNET_PSYC_MessageFlags
{
/**
- * First fragment of a message.
+ * Historic message, retrieved from PSYCstore.
*/
- GNUNET_PSYC_MESSAGE_FIRST_FRAGMENT = 1 << 0,
+ GNUNET_PSYC_MESSAGE_HISTORIC = 1 << 0,
/**
- * Last fragment of a message.
+ * Request from slave to master.
*/
- GNUNET_PSYC_MESSAGE_LAST_FRAGMENT = 1 << 1,
+ GNUNET_PSYC_MESSAGE_REQUEST = 1 << 1,
/**
- * OR'ed flags if message is not fragmented.
+ * Message can be delivered out of order.
*/
- GNUNET_PSYC_MESSAGE_NOT_FRAGMENTED
- = GNUNET_PSYC_MESSAGE_FIRST_FRAGMENT
- | GNUNET_PSYC_MESSAGE_LAST_FRAGMENT,
+ GNUNET_PSYC_MESSAGE_ORDER_ANY = 1 << 2
+};
- /**
- * Historic message, retrieved from PSYCstore.
- */
- GNUNET_PSYC_MESSAGE_HISTORIC = 1 << 30
+
+/**
+ * Values for the @a state_delta field of GNUNET_PSYC_MessageHeader.
+ */
+enum GNUNET_PSYC_StateDeltaValues
+{
+ GNUNET_PSYC_STATE_RESET = 0,
+
+ GNUNET_PSYC_STATE_NOT_MODIFIED = UINT64_MAX
};
+GNUNET_NETWORK_STRUCT_BEGIN
+
/**
- * M
+ * Header of a PSYC message.
+ *
+ * Only present when receiving a message.
*/
-struct GNUNET_PSYC_MessageMethod
+struct GNUNET_PSYC_MessageHeader
{
/**
- * Type: GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_METHOD
+ * Generic message header with size and type information.
*/
struct GNUNET_MessageHeader header;
- uint32_t reserved GNUNET_PACKED;
+ /**
+ * Flags for this message fragment.
+ *
+ * @see enum GNUNET_PSYC_MessageFlags
+ */
+ uint32_t flags GNUNET_PACKED;
+
+ /**
+ * Number of the message this message part belongs to.
+ * Monotonically increasing from 1.
+ */
+ uint64_t message_id GNUNET_PACKED;
+
+ /**
+ * Sending slave's public key.
+ * Not set if the message is from the master.
+ */
+ struct GNUNET_CRYPTO_EddsaPublicKey slave_key;
+
+ /* Followed by concatenated PSYC message parts:
+ * messages with GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_* types
+ */
+};
+
+/**
+ * The method of a message.
+ */
+struct GNUNET_PSYC_MessageMethod
+{
/**
- * Number of modifiers in the message.
+ * Type: GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_METHOD
*/
- uint32_t mod_count GNUNET_PACKED;
+ struct GNUNET_MessageHeader header;
/**
* OR'ed GNUNET_PSYC_MasterTransmitFlags
uint32_t flags GNUNET_PACKED;
/**
- * Sending slave's public key. NULL if the message is from the master, or when
- * transmitting a message.
+ * Number of message IDs since the last message that contained state
+ * operations. @see enum GNUNET_PSYC_StateDeltaValues
*/
- struct GNUNET_CRYPTO_EddsaPublicKey slave_key;
+ uint64_t state_delta GNUNET_PACKED;
/* Followed by NUL-terminated method name. */
};
+/**
+ * A modifier of a message.
+ */
struct GNUNET_PSYC_MessageModifier
{
/**
/* Followed by NUL-terminated name, then the value. */
};
+GNUNET_NETWORK_STRUCT_END
-enum GNUNET_PSYC_DataStatus
-{
- /**
- * To be continued.
- */
- GNUNET_PSYC_DATA_CONT = 0,
- /**
- * Reached the end of message.
- */
- GNUNET_PSYC_DATA_END = 1,
+#define GNUNET_PSYC_MODIFIER_MAX_PAYLOAD \
+ GNUNET_MULTICAST_FRAGMENT_MAX_PAYLOAD \
+ - sizeof (struct GNUNET_PSYC_MessageModifier)
- /**
- * Cancelled before the end.
- */
- GNUNET_PSYC_DATA_CANCEL = 2
-};
+#define GNUNET_PSYC_MOD_CONT_MAX_PAYLOAD \
+ GNUNET_MULTICAST_FRAGMENT_MAX_PAYLOAD \
+ - sizeof (struct GNUNET_MessageHeader)
+#define GNUNET_PSYC_DATA_MAX_PAYLOAD \
+ GNUNET_MULTICAST_FRAGMENT_MAX_PAYLOAD \
+ - sizeof (struct GNUNET_MessageHeader)
-struct GNUNET_PSYC_MessageData
-{
- /**
- * Type: GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_MODIFIER
- */
- struct GNUNET_MessageHeader header;
-
- /**
- * enum GNUNET_PSYC_DataStatus
- */
- uint8_t status;
-};
/**
* Handle that identifies a join request.
/**
- * Method called from PSYC upon receiving a message indicating a call to a
- * @e method.
+ * Method called from PSYC upon receiving part of a message.
*
- * @param cls Closure.
- * @param slave_key Who transmitted the message.
- * - NULL for multicast messages from the master.
- * - The sending slave's public key for unicast requests from one of the
- * slaves to the master.
- * @param message_id Unique message counter for this message.
- * Unique only in combination with the given sender for this channel.
- * @param method_name Method name from PSYC.
- * @param modifier_count Number of elements in the @a modifiers array.
- * @param modifiers State modifiers and transient variables for the message.
- * @param data_offset Byte offset of @a data in the overall data of the method.
- * @param data Data stream given to the method (might not be zero-terminated
- * if data is binary).
- * @param data_size Number of bytes in @a data.
- * @param frag Fragmentation status for the data.
+ * @param cls Closure.
+ * @param message_id Sequence number of the message.
+ * @param flags OR'ed GNUNET_PSYC_MessageFlags
+ * @param msg Message part, one of the following types:
+ * - GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_HEADER
+ * - GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_METHOD
+ * - GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_MODIFIER
+ * - GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_MOD_CONT
+ * - GNUNET_MESSAGE_TYPE_PSYC_MESSAGE_DATA
*/
-typedef int
-(*GNUNET_PSYC_Method) (void *cls,
- const struct GNUNET_CRYPTO_EddsaPublicKey *slave_key,
- uint64_t message_id,
- const char *method_name,
- size_t modifier_count,
- const struct GNUNET_ENV_Modifier *modifiers,
- uint64_t data_offset,
- const void *data,
- size_t data_size,
- enum GNUNET_PSYC_MessageFlags flags);
+typedef void
+(*GNUNET_PSYC_MessageCallback) (void *cls,
+ uint64_t message_id,
+ uint32_t flags,
+ const struct GNUNET_MessageHeader *msg);
/**
* Method called from PSYC upon receiving a join request.
*
- * @param cls Closure.
- * @param slave requesting to join.
- * @param method_name Method name in the join request.
- * @param variable_count Number of elements in the @a variables array.
- * @param variables Transient variables for the join request.
- * @param data Data stream given to the method (might not be zero-terminated
- * if data is binary).
- * @param data_size Number of bytes in @a data.
- * @param jh Join handle to use with GNUNET_PSYC_join_decision()
+ * @param cls Closure.
+ * @param slave_key Public key of the slave requesting join.
+ * @param join_msg Join message sent along with the request.
+ * @param jh Join handle to use with GNUNET_PSYC_join_decision()
*/
-typedef int
-(*GNUNET_PSYC_JoinCallback) (void *cls,
- const struct GNUNET_CRYPTO_EddsaPublicKey
- *slave_key,
- const char *method_name,
- size_t variable_count,
- const struct GNUNET_ENV_Modifier *variables,
- const void *data,
- size_t data_size,
- struct GNUNET_PSYC_JoinHandle *jh);
+typedef void
+(*GNUNET_PSYC_JoinRequestCallback) (void *cls,
+ const struct
+ GNUNET_CRYPTO_EddsaPublicKey *slave_key,
+ const struct
+ GNUNET_PSYC_MessageHeader *join_msg,
+ struct GNUNET_PSYC_JoinHandle *jh);
/**
* Must be called once and only once in response to an invocation of the
* #GNUNET_PSYC_JoinCallback.
*
- * @param jh Join request handle.
- * @param is_admitted #GNUNET_YES if joining is approved,
- * #GNUNET_NO if it is disapproved.
- * @param relay_count Number of relays given.
- * @param relays Array of suggested peers that might be useful relays to use
+ * @param jh Join request handle.
+ * @param is_admitted #GNUNET_YES if the join is approved,
+ * #GNUNET_NO if it is disapproved,
+ * #GNUNET_SYSERR if we cannot answer the request.
+ * @param relay_count Number of relays given.
+ * @param relays Array of suggested peers that might be useful relays to use
* when joining the multicast group (essentially a list of peers that
* are already part of the multicast group and might thus be willing
* to help with routing). If empty, only this local peer (which must
* be the multicast origin) is a good candidate for building the
* multicast tree. Note that it is unnecessary to specify our own
* peer identity in this array.
- * @param method_name Method name for the message transmitted with the response.
- * @param env Environment containing transient variables for the message,
- * or NULL.
- * @param data Data of the message.
- * @param data_size Size of @a data.
+ * @param join_resp Application-dependent join response message to send along
+ * with the decision.
+ *
+ * @return #GNUNET_OK on success,
+ * #GNUNET_SYSERR if @a join_resp is too large.
*/
-void
+int
GNUNET_PSYC_join_decision (struct GNUNET_PSYC_JoinHandle *jh,
int is_admitted,
- unsigned int relay_count,
+ uint32_t relay_count,
const struct GNUNET_PeerIdentity *relays,
- const char *method_name,
- const struct GNUNET_ENV_Environment *env,
- const void *data,
- size_t data_size);
+ const struct GNUNET_PSYC_MessageHeader *join_resp);
/**
* Function called after the channel master started.
*
* @param cls Closure.
- * @param last_message_id Last message ID sent to the channel.
+ * @param max_message_id Last message ID sent to the channel.
*/
typedef void
(*GNUNET_PSYC_MasterStartCallback) (void *cls, uint64_t max_message_id);
* or part messages, the respective methods must call other PSYC functions to
* inform PSYC about the meaning of the respective events.
*
- * @param cfg Configuration to use (to connect to PSYC service).
- * @param channel_key ECC key that will be used to sign messages for this
+ * @param cfg Configuration to use (to connect to PSYC service).
+ * @param channel_key ECC key that will be used to sign messages for this
* PSYC session. The public key is used to identify the PSYC channel.
* Note that end-users will usually not use the private key directly, but
* rather look it up in GNS for places managed by other users, or select
* a file with the private key(s) when setting up their own channels
* FIXME: we'll likely want to use NOT the p521 curve here, but a cheaper
* one in the future.
- * @param policy Channel policy specifying join and history restrictions.
+ * @param policy Channel policy specifying join and history restrictions.
* Used to automate join decisions.
- * @param method Function to invoke on messages received from slaves.
- * @param join_cb Function to invoke when a peer wants to join.
- * @param start_cb Function to invoke after the channel master started.
- * @param cls Closure for @a method and @a join_cb.
+ * @param master_start_cb Function to invoke after the channel master started.
+ * @param join_request_cb Function to invoke when a slave wants to join.
+ * @param message_cb Function to invoke on message parts sent to the channel
+ * and received from slaves
+ * @param cls Closure for @a method and @a join_cb.
+ *
* @return Handle for the channel master, NULL on error.
*/
struct GNUNET_PSYC_Master *
GNUNET_PSYC_master_start (const struct GNUNET_CONFIGURATION_Handle *cfg,
const struct GNUNET_CRYPTO_EddsaPrivateKey *channel_key,
enum GNUNET_PSYC_Policy policy,
- GNUNET_PSYC_Method method,
- GNUNET_PSYC_JoinCallback join_cb,
- GNUNET_PSYC_MasterStartCallback start_cb,
+ GNUNET_PSYC_MasterStartCallback master_start_cb,
+ GNUNET_PSYC_JoinRequestCallback join_request_cb,
+ GNUNET_PSYC_MessageCallback message_cb,
void *cls);
/**
* Function called to provide data for a transmission via PSYC.
*
- * Note that returning #GNUNET_OK or #GNUNET_SYSERR (but not #GNUNET_NO)
+ * Note that returning #GNUNET_YES or #GNUNET_SYSERR (but not #GNUNET_NO)
* invalidates the respective transmission handle.
*
* @param cls Closure.
* #GNUNET_YES if this completes the transmission (all data supplied)
*/
typedef int
-(*GNUNET_PSYC_MasterTransmitNotify) (void *cls,
- size_t *data_size,
- void *data);
+(*GNUNET_PSYC_TransmitNotifyData) (void *cls,
+ uint16_t *data_size,
+ void *data);
+/**
+ * Function called to provide a modifier for a transmission via PSYC.
+ *
+ * Note that returning #GNUNET_YES or #GNUNET_SYSERR (but not #GNUNET_NO)
+ * invalidates the respective transmission handle.
+ *
+ * @param cls Closure.
+ * @param[in,out] data_size Initially set to the number of bytes available in
+ * @a data, should be set to the number of bytes written to data.
+ * @param[out] data Where to write the modifier's name and value.
+ * The function must copy at most @a data_size bytes to @a data.
+ * When this callback is first called for a modifier, @a data should
+ * contain: "name\0value". If the whole value does not fit, subsequent
+ * calls to this function should write continuations of the value to
+ * @a data.
+ * @param[out] oper Where to write the operator of the modifier.
+ * Only needed during the first call to this callback at the beginning
+ * of the modifier. In case of subsequent calls asking for value
+ * continuations @a oper is set to #NULL.
+ * @param[out] full_value_size Where to write the full size of the value.
+ * Only needed during the first call to this callback at the beginning
+ * of the modifier. In case of subsequent calls asking for value
+ * continuations @a value_size is set to #NULL.
+ * @return #GNUNET_SYSERR on error (fatal, aborts transmission)
+ * #GNUNET_NO on success, if more data is to be transmitted later.
+ * Should be used if @a data_size was not big enough to take all the
+ * data for the modifier's value (the name must be always returned
+ * during the first call to this callback).
+ * If 0 is returned in @a data_size the transmission is paused,
+ * and can be resumed with GNUNET_PSYC_master_transmit_resume().
+ * #GNUNET_YES if this completes the modifier (the whole value is supplied).
+ */
+typedef int
+(*GNUNET_PSYC_TransmitNotifyModifier) (void *cls,
+ uint16_t *data_size,
+ void *data,
+ uint8_t *oper,
+ uint32_t *full_value_size);
/**
* Flags for transmitting messages to a channel by the master.
enum GNUNET_PSYC_MasterTransmitFlags
{
GNUNET_PSYC_MASTER_TRANSMIT_NONE = 0,
+
/**
* Whether this message should reset the channel state,
* i.e. remove all previously stored state variables.
*/
- GNUNET_PSYC_MASTER_TRANSMIT_RESET_STATE = 1 << 0,
+
+ GNUNET_PSYC_MASTER_TRANSMIT_STATE_RESET = 1 << 0,
/**
- * Whether we need to increment the group generation counter after
- * transmitting this message.
+ * Whether this message contains any state modifiers.
*/
- GNUNET_PSYC_MASTER_TRANSMIT_INC_GROUP_GEN = 1 << 1,
+ GNUNET_PSYC_MASTER_TRANSMIT_STATE_MODIFY = 1 << 1,
/**
* Add PSYC header variable with the hash of the current channel state.
*/
- GNUNET_PSYC_MASTER_TRANSMIT_ADD_STATE_HASH = 1 << 2
+ GNUNET_PSYC_MASTER_TRANSMIT_STATE_HASH = 1 << 2,
+
+ /**
+ * Whether we need to increment the group generation counter after
+ * transmitting this message.
+ */
+ GNUNET_PSYC_MASTER_TRANSMIT_INC_GROUP_GEN = 1 << 3
};
*
* @param master Handle to the PSYC channel.
* @param method_name Which method should be invoked.
- * @param env Environment containing state operations and transient variables
- * for the message, or NULL.
- * @param notify Function to call to obtain the arguments.
- * @param notify_cls Closure for @a notify.
+ * @param notify_mod Function to call to obtain modifiers.
+ * @param notify_data Function to call to obtain fragments of the data.
+ * @param notify_cls Closure for @a notify_mod and @a notify_data.
* @param flags Flags for the message being transmitted.
* @return Transmission handle, NULL on error (i.e. more than one request queued).
*/
struct GNUNET_PSYC_MasterTransmitHandle *
GNUNET_PSYC_master_transmit (struct GNUNET_PSYC_Master *master,
const char *method_name,
- const struct GNUNET_ENV_Environment *env,
- GNUNET_PSYC_MasterTransmitNotify notify,
+ GNUNET_PSYC_TransmitNotifyModifier notify_mod,
+ GNUNET_PSYC_TransmitNotifyData notify_data,
void *notify_cls,
enum GNUNET_PSYC_MasterTransmitFlags flags);
/**
- * Function called after the slave joined.
+ * Function called after the slave connected to the PSYC service.
*
* @param cls Closure.
* @param max_message_id Last message ID sent to the channel.
*/
typedef void
-(*GNUNET_PSYC_SlaveJoinCallback) (void *cls, uint64_t max_message_id);
+(*GNUNET_PSYC_SlaveConnectCallback) (void *cls, uint64_t max_message_id);
+
+
+/**
+ * Method called to inform about the decision in response to a join request.
+ *
+ * If @a is_admitted is not #GNUNET_YES, then sending messages to the channel is
+ * not possible, but earlier history can be still queried.
+ *
+ * @param cls Closure.
+ * @param is_admitted #GNUNET_YES or #GNUNET_NO or #GNUNET_SYSERR
+ * @param join_msg Application-dependent join message from the origin.
+ */
+typedef void
+(*GNUNET_PSYC_JoinDecisionCallback) (void *cls,
+ int is_admitted,
+ const struct
+ GNUNET_PSYC_MessageHeader *join_msg);
/**
* notification on failure (as the channel may simply take days to approve,
* and disapproval is simply being ignored).
*
- * @param cfg Configuration to use.
- * @param channel_key ECC public key that identifies the channel we wish to join.
- * @param slave_key ECC private-public key pair that identifies the slave, and
+ * @param cfg Configuration to use.
+ * @param channel_key ECC public key that identifies the channel we wish to join.
+ * @param slave_key ECC private-public key pair that identifies the slave, and
* used by multicast to sign the join request and subsequent unicast
* requests sent to the master.
- * @param origin Peer identity of the origin.
- * @param relay_count Number of peers in the @a relays array.
- * @param relays Peer identities of members of the multicast group, which serve
+ * @param origin Peer identity of the origin.
+ * @param relay_count Number of peers in the @a relays array.
+ * @param relays Peer identities of members of the multicast group, which serve
* as relays and used to join the group at.
- * @param method Function to invoke on messages received from the channel,
- * typically at least contains functions for @e join and @e part.
- * @param join_cb Function to invoke when a peer wants to join.
- * @param cls Closure for @a method_cb and @a join_cb.
- * @param method_name Method name for the join request.
- * @param env Environment containing transient variables for the request, or NULL.
- * @param data Payload for the join message.
- * @param data_size Number of bytes in @a data.
+ * @param message_cb Function to invoke on message parts received from the
+ * channel, typically at least contains method handlers for @e join and
+ * @e part.
+ * @param slave_connect_cb Function invoked once we have connected to the
+ * PSYC service.
+ * @param join_decision_cb Function invoked once we have received a join
+ * decision.
+ * @param cls Closure for @a message_cb and @a slave_joined_cb.
+ * @param method_name Method name for the join request.
+ * @param env Environment containing transient variables for the request, or NULL.
+ * @param data Payload for the join message.
+ * @param data_size Number of bytes in @a data.
+ *
* @return Handle for the slave, NULL on error.
*/
struct GNUNET_PSYC_Slave *
const struct GNUNET_CRYPTO_EddsaPublicKey *channel_key,
const struct GNUNET_CRYPTO_EddsaPrivateKey *slave_key,
const struct GNUNET_PeerIdentity *origin,
- size_t relay_count,
+ uint32_t relay_count,
const struct GNUNET_PeerIdentity *relays,
- GNUNET_PSYC_Method method,
- GNUNET_PSYC_JoinCallback join_cb,
- GNUNET_PSYC_SlaveJoinCallback slave_joined_cb,
+ GNUNET_PSYC_MessageCallback message_cb,
+ GNUNET_PSYC_SlaveConnectCallback slave_connect_cb,
+ GNUNET_PSYC_JoinDecisionCallback join_decision_cb,
void *cls,
const char *method_name,
const struct GNUNET_ENV_Environment *env,
const void *data,
- size_t data_size);
+ uint16_t data_size);
/**
* Part a PSYC channel.
*
* Will terminate the connection to the PSYC service. Polite clients should
- * first explicitly send a @e part request (via GNUNET_PSYC_slave_transmit()).
+ * first explicitly send a part request (via GNUNET_PSYC_slave_transmit()).
*
* @param slave Slave handle.
*/
GNUNET_PSYC_slave_part (struct GNUNET_PSYC_Slave *slave);
-/**
- * Function called to provide data for a transmission to the channel master
- * (a.k.a. the @e host of the channel).
- *
- * Note that returning #GNUNET_OK or #GNUNET_SYSERR (but not #GNUNET_NO)
- * invalidates the respective transmission handle.
- *
- * @param cls Closure.
- * @param[in,out] data_size Initially set to the number of bytes available in
- * @a data, should be set to the number of bytes written to data
- * (IN/OUT).
- * @param[out] data Where to write the body of the message to give to the method;
- * function must copy at most @a *data_size bytes to @a data.
- * @return #GNUNET_SYSERR on error (fatal, aborts transmission).
- * #GNUNET_NO on success, if more data is to be transmitted later.
- * #GNUNET_YES if this completes the transmission (all data supplied).
- */
-typedef int
-(*GNUNET_PSYC_SlaveTransmitNotify) (void *cls,
- size_t *data_size,
- char *data);
-
-
/**
* Flags for transmitting messages to the channel master by a slave.
*/
*
* @param slave Slave handle.
* @param method_name Which (PSYC) method should be invoked (on host).
- * @param env Environment containing transient variables for the message, or NULL.
- * @param notify Function to call when we are allowed to transmit (to get data).
+ * @param notify_mod Function to call to obtain modifiers.
+ * @param notify_data Function to call to obtain fragments of the data.
* @param notify_cls Closure for @a notify.
* @param flags Flags for the message being transmitted.
* @return Transmission handle, NULL on error (i.e. more than one request queued).
struct GNUNET_PSYC_SlaveTransmitHandle *
GNUNET_PSYC_slave_transmit (struct GNUNET_PSYC_Slave *slave,
const char *method_name,
- const struct GNUNET_ENV_Environment *env,
- GNUNET_PSYC_SlaveTransmitNotify notify,
+ GNUNET_PSYC_TransmitNotifyModifier notify_mod,
+ GNUNET_PSYC_TransmitNotifyData notify_data,
void *notify_cls,
enum GNUNET_PSYC_SlaveTransmitFlags flags);
* @param th Handle of the request that is being resumed.
*/
void
-GNUNET_PSYC_slave_transmit_resume (struct GNUNET_PSYC_MasterTransmitHandle *th);
+GNUNET_PSYC_slave_transmit_resume (struct GNUNET_PSYC_SlaveTransmitHandle *th);
/**
*/
void
GNUNET_PSYC_channel_slave_add (struct GNUNET_PSYC_Channel *channel,
- const struct GNUNET_CRYPTO_EddsaPublicKey
- *slave_key,
+ const struct GNUNET_CRYPTO_EddsaPublicKey *slave_key,
uint64_t announced_at,
uint64_t effective_since);
* @param channel Which channel should be replayed?
* @param start_message_id Earliest interesting point in history.
* @param end_message_id Last (exclusive) interesting point in history.
- * @param method Function to invoke on messages received from the story.
+ * @param message_cb Function to invoke on message parts received from the story.
* @param finish_cb Function to call when the requested story has been fully
* told (counting message IDs might not suffice, as some messages
* might be secret and thus the listener would not know the story is
GNUNET_PSYC_channel_story_tell (struct GNUNET_PSYC_Channel *channel,
uint64_t start_message_id,
uint64_t end_message_id,
- GNUNET_PSYC_Method method,
- GNUNET_PSYC_FinishCallback *finish_cb,
+ GNUNET_PSYC_MessageCallback message_cb,
+ GNUNET_PSYC_FinishCallback finish_cb,
void *cls);