src/corosio/src/stream_file.cpp

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stream_file.cpp
f(x) Functions (13)
Line Branch TLA Hits Source Code
1 //
2 // Copyright (c) 2026 Michael Vandeberg
3 //
4 // Distributed under the Boost Software License, Version 1.0. (See accompanying
5 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6 //
7 // Official repository: https://github.com/cppalliance/corosio
8 //
9
10 #include <boost/corosio/stream_file.hpp>
11 #include <boost/corosio/error.hpp>
12 #include <boost/corosio/detail/except.hpp>
13 #include <boost/corosio/detail/platform.hpp>
14
15 #if BOOST_COROSIO_HAS_IOCP
16 #include <boost/corosio/native/detail/iocp/win_file_service.hpp>
17 #else
18 #include <boost/corosio/detail/file_service.hpp>
19 #endif
20
21 #include "src/detail/use_backend_service.hpp"
22
23 namespace boost::corosio {
24
25 1254x stream_file::~stream_file()
26 1254x {
27 635x close();
28 1254x }
29
30 1238x stream_file::stream_file(capy::execution_context& ctx)
31 619x : io_object(handle(
32 619x ctx,
33 619x detail::use_backend_service<
34 detail::stream_file_service_of,
35 #if BOOST_COROSIO_HAS_IOCP
36 detail::win_file_service
37 #else
38 detail::file_service
39 #endif
40 619x >(ctx)))
41 1238x {
42 619x }
43
44 std::error_code
45 613x stream_file::open(
46 std::filesystem::path const& path, file_base::flags mode) noexcept
47 {
48
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613x if (is_open())
49 2x close();
50 613x auto& svc = static_cast<detail::file_service&>(h_.service());
51
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613x return svc.open_file(get(), path, mode);
52 }
53
54 void
55 1157x stream_file::close() noexcept
56 {
57
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1157x if (!is_open())
58 156x return;
59
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1001x h_.service().close(h_);
60 1157x }
61
62 void
63 4x stream_file::cancel() noexcept
64 {
65
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4x if (!is_open())
66 2x return;
67 2x get().cancel();
68 4x }
69
70 native_handle_type
71 8x stream_file::native_handle() const noexcept
72 {
73
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8x if (!is_open())
74 {
75 #if BOOST_COROSIO_HAS_IOCP
76 return static_cast<native_handle_type>(~0ull);
77 #else
78 2x return -1;
79 #endif
80 }
81 6x return get().native_handle();
82 8x }
83
84 std::uint64_t
85 14x stream_file::size() const
86 {
87
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14x if (!is_open())
88 2x detail::throw_system_error(
89 2x make_error_code(std::errc::bad_file_descriptor),
90 "stream_file::size");
91 12x return get().size();
92 }
93
94 std::error_code
95 11x stream_file::resize(std::uint64_t new_size) noexcept
96 {
97
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11x if (!is_open())
98 2x return make_error_code(std::errc::bad_file_descriptor);
99 9x return get().resize(new_size);
100 11x }
101
102 std::error_code
103 7x stream_file::sync_data() noexcept
104 {
105
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7x if (!is_open())
106 2x return make_error_code(std::errc::bad_file_descriptor);
107 5x return get().sync_data();
108 7x }
109
110 std::error_code
111 7x stream_file::sync_all() noexcept
112 {
113
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7x if (!is_open())
114 2x return make_error_code(std::errc::bad_file_descriptor);
115 5x return get().sync_all();
116 7x }
117
118 native_handle_type
119 6x stream_file::release()
120 {
121
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6x if (!is_open())
122 2x detail::throw_system_error(
123 2x make_error_code(std::errc::bad_file_descriptor),
124 "stream_file::release");
125 4x return get().release();
126 }
127
128 std::error_code
129 414x stream_file::assign(native_handle_type handle) noexcept
130 {
131
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414x if (is_open())
132 6x return make_error_code(error::already_open);
133 408x return get().assign(handle);
134 414x }
135
136 capy::io_result<std::uint64_t>
137 428x stream_file::seek(std::int64_t offset, file_base::seek_basis origin) noexcept
138 {
139
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428x if (!is_open())
140 2x return {make_error_code(std::errc::bad_file_descriptor), 0};
141 426x return get().seek(offset, origin);
142 428x }
143
144 } // namespace boost::corosio
145