/*
* This file is part of GNUnet
- * (C) 2013 Christian Grothoff (and other contributing authors)
+ * Copyright (C) 2013 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
*
* You should have received a copy of the GNU General Public License
* along with GNUnet; see the file COPYING. If not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
*/
/**
return;
}
if (size == sizeof (struct OperationResult))
- str = NULL;
+ str = "";
op = find_op_by_id (h, GNUNET_ntohll (opres->op_id));
if (NULL == op)
GNUNET_CONTAINER_DLL_remove (h->op_head, h->op_tail, op);
if (NULL != op->res_cb)
{
- const struct StateModifyRequest *smreq;
const struct StateSyncRequest *ssreq;
switch (ntohs (op->msg->type))
{
- case GNUNET_MESSAGE_TYPE_PSYCSTORE_STATE_MODIFY:
- smreq = (const struct StateModifyRequest *) op->msg;
- if (!(smreq->flags & STATE_OP_LAST
- || GNUNET_OK != result_code))
- op->res_cb = NULL;
- break;
case GNUNET_MESSAGE_TYPE_PSYCSTORE_STATE_SYNC:
ssreq = (const struct StateSyncRequest *) op->msg;
if (!(ssreq->flags & STATE_OP_LAST
}
}
if (NULL != op->res_cb)
- op->res_cb (op->cls, result_code, str);
+ op->res_cb (op->cls, result_code, str, size - sizeof (*opres));
GNUNET_free (op);
}
break;
* @param channel_key
* The channel we are interested in.
* @param slave_key
- * The slave requesting the message. If not NULL, a membership test is
- * performed first and the message is only returned if the slave has
- * access to it.
+ * The slave requesting the message.
+ * If not NULL, a membership test is performed first
+ * and the message is only returned if the slave has access to it.
* @param first_message_id
* First message ID to retrieve.
- * Use 0 to get the latest message.
* @param last_message_id
* Last consecutive message ID to retrieve.
- * Use 0 to get the latest message.
+ * @param method_prefix
+ * Retrieve only messages with a matching method prefix.
+ * @todo Implement method_prefix query.
* @param fragment_cb
* Callback to call with the retrieved fragments.
- * @param rcb
+ * @param result_cb
* Callback to call with the result of the operation.
* @param cls
* Closure for the callbacks.
const struct GNUNET_CRYPTO_EcdsaPublicKey *slave_key,
uint64_t first_message_id,
uint64_t last_message_id,
+ const char *method_prefix,
GNUNET_PSYCSTORE_FragmentCallback fragment_cb,
GNUNET_PSYCSTORE_ResultCallback rcb,
void *cls)
{
struct MessageGetRequest *req;
+ if (NULL == method_prefix)
+ method_prefix = "";
+ uint16_t method_size = strnlen (method_prefix,
+ GNUNET_SERVER_MAX_MESSAGE_SIZE
+ - sizeof (*req)) + 1;
+
struct GNUNET_PSYCSTORE_OperationHandle *
op = GNUNET_malloc (sizeof (*op) + sizeof (*req));
op->h = h;
req = (struct MessageGetRequest *) &op[1];
op->msg = (struct GNUNET_MessageHeader *) req;
req->header.type = htons (GNUNET_MESSAGE_TYPE_PSYCSTORE_MESSAGE_GET);
- req->header.size = htons (sizeof (*req));
+ req->header.size = htons (sizeof (*req) + method_size);
req->channel_key = *channel_key;
req->first_message_id = GNUNET_htonll (first_message_id);
req->last_message_id = GNUNET_htonll (last_message_id);
req->slave_key = *slave_key;
req->do_membership_test = GNUNET_YES;
}
+ memcpy (&req[1], method_prefix, method_size);
+ ((char *) &req[1])[method_size - 1] = '\0';
op->op_id = get_next_op_id (h);
req->op_id = GNUNET_htonll (op->op_id);
* @param channel_key
* The channel we are interested in.
* @param slave_key
- * The slave requesting the message. If not NULL, a membership test is
- * performed first and the message is only returned if the slave has
- * access to it.
+ * The slave requesting the message.
+ * If not NULL, a membership test is performed first
+ * and the message is only returned if the slave has access to it.
* @param message_limit
* Maximum number of messages to retrieve.
+ * @param method_prefix
+ * Retrieve only messages with a matching method prefix.
+ * @todo Implement method_prefix query.
* @param fragment_cb
* Callback to call with the retrieved fragments.
- * @param rcb
+ * @param result_cb
* Callback to call with the result of the operation.
* @param cls
* Closure for the callbacks.
const struct GNUNET_CRYPTO_EddsaPublicKey *channel_key,
const struct GNUNET_CRYPTO_EcdsaPublicKey *slave_key,
uint64_t message_limit,
+ const char *method_prefix,
GNUNET_PSYCSTORE_FragmentCallback fragment_cb,
GNUNET_PSYCSTORE_ResultCallback rcb,
void *cls)
{
struct MessageGetRequest *req;
+
+ if (NULL == method_prefix)
+ method_prefix = "";
+ uint16_t method_size = strnlen (method_prefix,
+ GNUNET_SERVER_MAX_MESSAGE_SIZE
+ - sizeof (*req)) + 1;
+ GNUNET_assert ('\0' == method_prefix[method_size - 1]);
+
struct GNUNET_PSYCSTORE_OperationHandle *
- op = GNUNET_malloc (sizeof (*op) + sizeof (*req));
+ op = GNUNET_malloc (sizeof (*op) + sizeof (*req) + method_size);
op->h = h;
op->data_cb = (DataCallback) fragment_cb;
op->res_cb = rcb;
req = (struct MessageGetRequest *) &op[1];
op->msg = (struct GNUNET_MessageHeader *) req;
req->header.type = htons (GNUNET_MESSAGE_TYPE_PSYCSTORE_MESSAGE_GET);
- req->header.size = htons (sizeof (*req));
+ req->header.size = htons (sizeof (*req) + method_size);
req->channel_key = *channel_key;
req->message_limit = GNUNET_ntohll (message_limit);
if (NULL != slave_key)
op->op_id = get_next_op_id (h);
req->op_id = GNUNET_htonll (op->op_id);
+ memcpy (&req[1], method_prefix, method_size);
GNUNET_CONTAINER_DLL_insert_tail (h->transmit_head, h->transmit_tail, op);
transmit_next (h);
* The current value of counters are needed when a channel master is restarted,
* so that it can continue incrementing the counters from their last value.
*
- * @param h Handle for the PSYCstore.
- * @param channel_key Public key that identifies the channel.
- * @param ccb Callback to call with the result.
- * @param ccb_cls Closure for the @a ccb callback.
+ * @param h
+ * Handle for the PSYCstore.
+ * @param channel_key
+ * Public key that identifies the channel.
+ * @param ccb
+ * Callback to call with the result.
+ * @param ccb_cls
+ * Closure for the @a ccb callback.
*
* @return Handle that can be used to cancel the operation.
*/
* An error is returned if there are missing messages containing state
* operations before the current one.
*
- * @param h Handle for the PSYCstore.
- * @param channel_key The channel we are interested in.
- * @param message_id ID of the message that contains the @a modifiers.
- * @param state_delta Value of the _state_delta PSYC header variable of the message.
- * @param modifier_count Number of elements in the @a modifiers array.
- * @param modifiers List of modifiers to apply.
- * @param rcb Callback to call with the result of the operation.
- * @param rcb_cls Closure for the @a rcb callback.
+ * @param h
+ * Handle for the PSYCstore.
+ * @param channel_key
+ * The channel we are interested in.
+ * @param message_id
+ * ID of the message that contains the @a modifiers.
+ * @param state_delta
+ * Value of the _state_delta PSYC header variable of the message.
+ * @param rcb
+ * Callback to call with the result of the operation.
+ * @param rcb_cls
+ * Closure for the @a rcb callback.
*
* @return Handle that can be used to cancel the operation.
*/
const struct GNUNET_CRYPTO_EddsaPublicKey *channel_key,
uint64_t message_id,
uint64_t state_delta,
- size_t modifier_count,
- const struct GNUNET_ENV_Modifier *modifiers,
GNUNET_PSYCSTORE_ResultCallback rcb,
void *rcb_cls)
{
struct GNUNET_PSYCSTORE_OperationHandle *op = NULL;
- size_t i;
+ struct StateModifyRequest *req;
- for (i = 0; i < modifier_count; i++) {
- struct StateModifyRequest *req;
- uint16_t name_size = strlen (modifiers[i].name) + 1;
-
- op = GNUNET_malloc (sizeof (*op) + sizeof (*req) + name_size +
- modifiers[i].value_size);
- op->h = h;
- op->res_cb = rcb;
- op->cls = rcb_cls;
+ op = GNUNET_malloc (sizeof (*op) + sizeof (*req));
+ op->h = h;
+ op->res_cb = rcb;
+ op->cls = rcb_cls;
- req = (struct StateModifyRequest *) &op[1];
- op->msg = (struct GNUNET_MessageHeader *) req;
- req->header.type = htons (GNUNET_MESSAGE_TYPE_PSYCSTORE_STATE_MODIFY);
- req->header.size = htons (sizeof (*req) + name_size
- + modifiers[i].value_size);
- req->channel_key = *channel_key;
- req->message_id = GNUNET_htonll (message_id);
- req->state_delta = GNUNET_htonll (state_delta);
- req->oper = modifiers[i].oper;
- req->name_size = htons (name_size);
- req->flags
- = 0 == i
- ? STATE_OP_FIRST
- : modifier_count - 1 == i
- ? STATE_OP_LAST
- : 0;
+ req = (struct StateModifyRequest *) &op[1];
+ op->msg = (struct GNUNET_MessageHeader *) req;
+ req->header.type = htons (GNUNET_MESSAGE_TYPE_PSYCSTORE_STATE_MODIFY);
+ req->header.size = htons (sizeof (*req));
+ req->channel_key = *channel_key;
+ req->message_id = GNUNET_htonll (message_id);
+ req->state_delta = GNUNET_htonll (state_delta);
- memcpy (&req[1], modifiers[i].name, name_size);
- memcpy ((char *) &req[1] + name_size, modifiers[i].value, modifiers[i].value_size);
+ op->op_id = get_next_op_id (h);
+ req->op_id = GNUNET_htonll (op->op_id);
- op->op_id = get_next_op_id (h);
- req->op_id = GNUNET_htonll (op->op_id);
+ GNUNET_CONTAINER_DLL_insert_tail (h->transmit_head, h->transmit_tail, op);
+ transmit_next (h);
- GNUNET_CONTAINER_DLL_insert_tail (h->transmit_head, h->transmit_tail, op);
- transmit_next (h);
- }
return op;
/* FIXME: only the last operation is returned,
* operation_cancel() should be able to cancel all of them.
/**
* Store synchronized state.
*
- * @param h Handle for the PSYCstore.
- * @param channel_key The channel we are interested in.
- * @param message_id ID of the message that contains the state_hash PSYC header variable.
- * @param modifier_count Number of elements in the @a modifiers array.
- * @param modifiers Full state to store.
- * @param rcb Callback to call with the result of the operation.
- * @param rcb_cls Closure for the callback.
+ * @param h
+ * Handle for the PSYCstore.
+ * @param channel_key
+ * The channel we are interested in.
+ * @param max_state_message_id
+ * ID of the last stateful message before @a state_hash_message_id.
+ * @param state_hash_message_id
+ * ID of the message that contains the state_hash PSYC header variable.
+ * @param modifier_count
+ * Number of elements in the @a modifiers array.
+ * @param modifiers
+ * Full state to store.
+ * @param rcb
+ * Callback to call with the result of the operation.
+ * @param rcb_cls
+ * Closure for the callback.
*
* @return Handle that can be used to cancel the operation.
*/
struct GNUNET_PSYCSTORE_OperationHandle *
GNUNET_PSYCSTORE_state_sync (struct GNUNET_PSYCSTORE_Handle *h,
const struct GNUNET_CRYPTO_EddsaPublicKey *channel_key,
- uint64_t message_id,
+ uint64_t max_state_message_id,
+ uint64_t state_hash_message_id,
size_t modifier_count,
const struct GNUNET_ENV_Modifier *modifiers,
GNUNET_PSYCSTORE_ResultCallback rcb,
req->header.size = htons (sizeof (*req) + name_size
+ modifiers[i].value_size);
req->channel_key = *channel_key;
- req->message_id = GNUNET_htonll (message_id);
+ req->max_state_message_id = GNUNET_htonll (max_state_message_id);
+ req->state_hash_message_id = GNUNET_htonll (state_hash_message_id);
req->name_size = htons (name_size);
req->flags
= (0 == i)
*
* Delete all state variables stored for the given channel.
*
- * @param h Handle for the PSYCstore.
- * @param channel_key The channel we are interested in.
- * @param rcb Callback to call with the result of the operation.
- * @param rcb_cls Closure for the callback.
+ * @param h
+ * Handle for the PSYCstore.
+ * @param channel_key
+ * The channel we are interested in.
+ * @param rcb
+ * Callback to call with the result of the operation.
+ * @param rcb_cls
+ * Closure for the callback.
*
* @return Handle that can be used to cancel the operation.
*/
/**
* Update signed values of state variables in the state store.
*
- * @param h Handle for the PSYCstore.
- * @param channel_key The channel we are interested in.
- * @param message_id Message ID that contained the state @a hash.
- * @param hash Hash of the serialized full state.
- * @param rcb Callback to call with the result of the operation.
- * @param rcb_cls Closure for the callback.
- *
+ * @param h
+ * Handle for the PSYCstore.
+ * @param channel_key
+ * The channel we are interested in.
+ * @param message_id
+ * Message ID that contained the state @a hash.
+ * @param hash
+ * Hash of the serialized full state.
+ * @param rcb
+ * Callback to call with the result of the operation.
+ * @param rcb_cls
+ * Closure for the callback.
*/
struct GNUNET_PSYCSTORE_OperationHandle *
GNUNET_PSYCSTORE_state_hash_update (struct GNUNET_PSYCSTORE_Handle *h,
/**
* Retrieve the best matching state variable.
*
- * @param h Handle for the PSYCstore.
- * @param channel_key The channel we are interested in.
- * @param name Name of variable to match, the returned variable might be less specific.
- * @param scb Callback to return the matching state variable.
- * @param rcb Callback to call with the result of the operation.
- * @param cls Closure for the callbacks.
+ * @param h
+ * Handle for the PSYCstore.
+ * @param channel_key
+ * The channel we are interested in.
+ * @param name
+ * Name of variable to match, the returned variable might be less specific.
+ * @param scb
+ * Callback to return the matching state variable.
+ * @param rcb
+ * Callback to call with the result of the operation.
+ * @param cls
+ * Closure for the callbacks.
*
* @return Handle that can be used to cancel the operation.
*/
/**
* Retrieve all state variables for a channel with the given prefix.
*
- * @param h Handle for the PSYCstore.
- * @param channel_key The channel we are interested in.
- * @param name_prefix Prefix of state variable names to match.
- * @param scb Callback to return matching state variables.
- * @param rcb Callback to call with the result of the operation.
- * @param cls Closure for the callbacks.
+ * @param h
+ * Handle for the PSYCstore.
+ * @param channel_key
+ * The channel we are interested in.
+ * @param name_prefix
+ * Prefix of state variable names to match.
+ * @param scb
+ * Callback to return matching state variables.
+ * @param rcb
+ * Callback to call with the result of the operation.
+ * @param cls
+ * Closure for the callbacks.
*
* @return Handle that can be used to cancel the operation.
*/
projects / oweals / gnunet.git / blobdiff