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Pread.h
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1 /* -*- c++ -*-
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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
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14  * GNU General Public License for more details.
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21 
26 
27 #ifndef FsBroker_Lib_Request_Parameters_Pread_h
28 #define FsBroker_Lib_Request_Parameters_Pread_h
29 
30 #include <Common/Serializable.h>
31 
32 #include <string>
33 
34 using namespace std;
35 
36 namespace Hypertable {
37 namespace FsBroker {
38 namespace Lib {
39 namespace Request {
40 namespace Parameters {
41 
44 
46  class Pread : public Serializable {
47  public:
48 
51  Pread() {}
52 
62  Pread(int32_t fd, uint64_t offset, uint32_t amount, bool verify_checksum)
63  : m_fd(fd), m_offset(offset), m_amount(amount),
64  m_verify_checksum(verify_checksum) {}
65 
68  int32_t get_fd() { return m_fd; }
69 
72  uint64_t get_offset() { return m_offset; }
73 
76  uint32_t get_amount() { return m_amount; }
77 
80  bool get_verify_checksum() { return m_verify_checksum; }
81 
82  private:
83 
84  uint8_t encoding_version() const override;
85 
86  size_t encoded_length_internal() const override;
87 
88  void encode_internal(uint8_t **bufp) const override;
89 
90  void decode_internal(uint8_t version, const uint8_t **bufp,
91  size_t *remainp) override;
92 
94  int32_t m_fd {};
95 
97  uint64_t m_offset;
98 
100  uint32_t m_amount;
101 
104  };
105 
107 
108 }}}}}
109 
110 #endif // FsBroker_Lib_Request_Parameters_Pread_h
Pread(int32_t fd, uint64_t offset, uint32_t amount, bool verify_checksum)
Constructor.
Definition: Pread.h:62
int32_t get_fd()
Gets file descriptor.
Definition: Pread.h:68
STL namespace.
bool m_verify_checksum
Verify checksum flag.
Definition: Pread.h:103
uint64_t get_offset()
Gets file offset.
Definition: Pread.h:72
uint32_t get_amount()
Gets amount of data to read.
Definition: Pread.h:76
bool get_verify_checksum()
Gets verify checksum flag.
Definition: Pread.h:80
Declarations for Serializable.
Hypertable definitions
uint32_t m_amount
Amount of data to read.
Definition: Pread.h:100
Mixin class that provides a standard serialization interface.
Definition: Serializable.h:65
Request parameters for pread requests.
Definition: Pread.h:46