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RegisterServer.cc
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1 /*
2  * Copyright (C) 2007-2015 Hypertable, Inc.
3  *
4  * This file is part of Hypertable.
5  *
6  * Hypertable is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * as published by the Free Software Foundation; either version 3
9  * of the License, or any later version.
10  *
11  * Hypertable is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
19  * 02110-1301, USA.
20  */
21 
26 
27 #include <Common/Compat.h>
28 
29 #include "RegisterServer.h"
30 
32 
33 #include <Common/Logger.h>
34 #include <Common/Serialization.h>
35 #include <Common/Time.h>
36 
37 using namespace Hypertable;
39 
41  return 1;
42 }
43 
45  size_t length = Serialization::encoded_length_vstr(m_location) + 12;
46  for (auto &spec : m_variables)
47  length += spec.encoded_length();
48  return length;
49 }
50 
78 void RegisterServer::encode_internal(uint8_t **bufp) const {
82  for (auto &spec : m_variables)
83  spec.encode(bufp);
84 }
85 
86 void RegisterServer::decode_internal(uint8_t version, const uint8_t **bufp,
87  size_t *remainp) {
88  m_location = Serialization::decode_vstr(bufp, remainp);
89  m_generation = Serialization::decode_i64(bufp, remainp);
90  size_t count = (size_t)Serialization::decode_i32(bufp, remainp);
91  m_variables.clear();
92  for (size_t i=0; i<count; i++) {
94  spec.decode(bufp, remainp);
95  m_variables.push_back(spec);
96  }
97 }
98 
99 
100 
char * decode_vstr(const uint8_t **bufp, size_t *remainp)
Decode a vstr (vint64, data, null).
void decode_internal(uint8_t version, const uint8_t **bufp, size_t *remainp) override
Reads serialized representation of object from a buffer.
void encode_internal(uint8_t **bufp) const override
Writes serialized representation of object to a buffer.
Declarations for Canonicalize.
size_t encoded_length_vstr(size_t len)
Computes the encoded length of vstr (vint64, data, null)
uint32_t decode_i32(const uint8_t **bufp, size_t *remainp)
Decode a 32-bit integer in little-endian order.
uint8_t encoding_version() const override
Returns encoding version.
uint64_t decode_i64(const uint8_t **bufp, size_t *remainp)
Decode a 64-bit integer in little-endian order.
Logging routines and macros.
void encode_i32(uint8_t **bufp, uint32_t val)
Encode a 32-bit integer in little-endian order.
Compatibility Macros for C/C++.
void encode_i64(uint8_t **bufp, uint64_t val)
Encode a 64-bit integer in little-endian order.
Functions to serialize/deserialize primitives to/from a memory buffer.
Holds a variable code and boolean value.
Time related declarations.
virtual void decode(const uint8_t **bufp, size_t *remainp)
Reads serialized representation of object from a buffer.
Definition: Serializable.cc:70
void encode_vstr(uint8_t **bufp, const void *buf, size_t len)
Encode a buffer as variable length string (vint64, data, null)
Hypertable definitions
vector< SystemVariable::Spec > m_variables
System state variable specifications
size_t encoded_length_internal() const override
Returns internal serialized length.
Declarations for RegisterServer response parameters.