/
cbc-send.cc
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/
cbc-send.cc
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/* -*- Mode: C++; tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
* Copyright 2012 Couchbase, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "config.h"
#include <string>
#include <list>
#include <iostream>
#include <cstdlib>
#include <cstdio>
#include <cerrno>
#include <cstring>
#include <libcouchbase/couchbase.h>
#include <memcached/protocol_binary.h>
#include "tools/cbc-util.h"
using namespace std;
extern "C" {
static void cbc_tap_mutation_callback(libcouchbase_t,
const void *,
const void *key,
libcouchbase_size_t nkey,
const void *data,
libcouchbase_size_t nbytes,
libcouchbase_uint32_t flags,
libcouchbase_time_t exp,
libcouchbase_cas_t cas,
libcouchbase_vbucket_t vbucket,
const void *,
libcouchbase_size_t)
{
protocol_binary_request_set req;
memset(&req, 0, sizeof(req));
req.message.header.request.magic = PROTOCOL_BINARY_REQ;
req.message.header.request.opcode = PROTOCOL_BINARY_CMD_SET;
req.message.header.request.keylen = ntohs((libcouchbase_vbucket_t)nkey);
req.message.header.request.extlen = 8;
req.message.header.request.datatype = PROTOCOL_BINARY_RAW_BYTES;
req.message.header.request.cas = cas;
req.message.header.request.vbucket = htons(vbucket);
req.message.body.flags = flags;
req.message.body.expiration = htonl((libcouchbase_uint32_t)exp);
libcouchbase_uint32_t bodylen = (libcouchbase_uint32_t)(nkey + nbytes + 8 + nbytes);
req.message.header.request.bodylen = htonl((libcouchbase_uint32_t)bodylen);
sendIt(req.bytes, sizeof(req.bytes));
sendIt((const uint8_t *)key, nkey);
sendIt((const uint8_t *)data, nbytes);
}
static void cbc_tap_deletion_callback(libcouchbase_t,
const void *,
const void *key,
libcouchbase_size_t nkey,
libcouchbase_cas_t cas,
libcouchbase_vbucket_t vbucket,
const void *,
libcouchbase_size_t)
{
protocol_binary_request_delete req;
memset(&req, 0, sizeof(req));
req.message.header.request.magic = PROTOCOL_BINARY_REQ;
req.message.header.request.opcode = PROTOCOL_BINARY_CMD_DELETE;
req.message.header.request.keylen = ntohs((libcouchbase_vbucket_t)nkey);
req.message.header.request.extlen = 0;
req.message.header.request.datatype = PROTOCOL_BINARY_RAW_BYTES;
req.message.header.request.cas = cas;
req.message.header.request.vbucket = htons(vbucket);
req.message.header.request.bodylen = ntohl((libcouchbase_uint32_t)nkey);
sendIt(req.bytes, sizeof(req.bytes));
sendIt((const uint8_t *)key, nkey);
}
static void cbc_tap_flush_callback(libcouchbase_t,
const void *,
const void *,
libcouchbase_size_t)
{
protocol_binary_request_flush req;
memset(req.bytes, 0, sizeof(req.bytes));
req.message.header.request.magic = PROTOCOL_BINARY_REQ;
req.message.header.request.opcode = PROTOCOL_BINARY_CMD_FLUSH;
req.message.header.request.datatype = PROTOCOL_BINARY_RAW_BYTES;
sendIt(req.bytes, sizeof(req.bytes));
}
static void cbc_tap_opaque_callback(libcouchbase_t, const void *,
const void *, libcouchbase_size_t)
{
// We don't have an alternative for this. Just swallow the message
}
static void cbc_tap_vbucket_set_callback(libcouchbase_t,
const void *,
libcouchbase_vbucket_t vbucket,
libcouchbase_vbucket_state_t state,
const void *,
libcouchbase_size_t)
{
protocol_binary_request_set_vbucket req;
memset(req.bytes, 0, sizeof(req.bytes));
req.message.header.request.magic = PROTOCOL_BINARY_REQ;
req.message.header.request.opcode = PROTOCOL_BINARY_CMD_SET_VBUCKET;
req.message.header.request.datatype = PROTOCOL_BINARY_RAW_BYTES;
req.message.header.request.vbucket = htons(vbucket);
state = (libcouchbase_vbucket_state_t)ntohl((libcouchbase_vbucket_state_t)state);
memcpy(&req.message.body.state, &state, sizeof(state));
sendIt(req.bytes, sizeof(req.bytes));
}
}
bool send_impl(libcouchbase_t instance, list<string> &keys)
{
if (!keys.empty()) {
cerr << "Ignoring arguments." << endl;
}
setBinaryIO();
(void)libcouchbase_set_tap_mutation_callback(instance,
cbc_tap_mutation_callback);
(void)libcouchbase_set_tap_deletion_callback(instance,
cbc_tap_deletion_callback);
(void)libcouchbase_set_tap_flush_callback(instance,
cbc_tap_flush_callback);
(void)libcouchbase_set_tap_opaque_callback(instance,
cbc_tap_opaque_callback);
(void)libcouchbase_set_tap_vbucket_set_callback(instance,
cbc_tap_vbucket_set_callback);
// @todo refactor this shit! tap cluster should work just as the other
// commands!
libcouchbase_tap_cluster(instance, NULL, NULL, 1);
return true;
}