#include <seastar/core/file.hh>
#include <seastar/core/iostream.hh>
#include <seastar/core/shared_ptr.hh>
#include <seastar/core/internal/api-level.hh>
#include <seastar/util/modules.hh>
#include <cstdint>
Go to the source code of this file.
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namespace | seastar |
| Seastar API namespace.
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input_stream< char > | seastar::make_file_input_stream (file file, uint64_t offset, uint64_t len, file_input_stream_options options={}) |
| Creates an input_stream to read a portion of a file. More...
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input_stream< char > | seastar::make_file_input_stream (file file, uint64_t offset, file_input_stream_options={}) |
| Create an input_stream for a given file, reading starting at a given position of the given file, with the specified options. More...
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input_stream< char > | seastar::make_file_input_stream (file file, file_input_stream_options={}) |
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future< output_stream< char > > | seastar::make_file_output_stream (file file, uint64_t buffer_size=8192) noexcept |
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future< output_stream< char > > | seastar::make_file_output_stream (file file, file_output_stream_options options) noexcept |
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future< data_sink > | seastar::make_file_data_sink (file, file_output_stream_options) noexcept |
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◆ seastar::file_input_stream_options
struct seastar::file_input_stream_options |
Class Members |
size_t |
buffer_size |
I/O buffer size. |
lw_shared_ptr< file_input_stream_history > |
dynamic_adjustments |
Input stream history, if null dynamic adjustments are disabled. |
unsigned |
read_ahead |
Maximum number of extra read-ahead operations. |
◆ seastar::file_output_stream_options
struct seastar::file_output_stream_options |
Class Members |
unsigned |
buffer_size |
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unsigned |
preallocation_size |
Preallocate extents. For large files, set to a large number (a few megabytes) to reduce fragmentation. |
unsigned |
write_behind |
Number of buffers to write in parallel. |