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add option to select disk I/O backend to client_test #7638

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Feb 24, 2024
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add option to select disk I/O backend to client_test #7638

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34 changes: 26 additions & 8 deletions examples/client_test.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -52,9 +52,12 @@ see LICENSE file.
#include "libtorrent/write_resume_data.hpp"
#include "libtorrent/string_view.hpp"
#include "libtorrent/disk_interface.hpp" // for open_file_state
#include "libtorrent/disabled_disk_io.hpp" // for disabled_disk_io_constructor
#include "libtorrent/load_torrent.hpp"

#include "libtorrent/mmap_disk_io.hpp"
#include "libtorrent/posix_disk_io.hpp"
#include "libtorrent/disabled_disk_io.hpp"

#include "torrent_view.hpp"
#include "session_view.hpp"
#include "print.hpp"
Expand Down Expand Up @@ -1342,7 +1345,10 @@ CLIENT OPTIONS
-e <loops> exit client after the specified number of iterations
through the main loop
-O print session stats counters to the log
-1 exit on first torrent completing (useful for benchmarks))"
-1 exit on first torrent completing (useful for benchmarks)
-i <disk-io> specify which disk I/O back-end to use. One of:
mmap, posix, disabled
)"
#ifdef TORRENT_UTP_LOG_ENABLE
R"(
-q Enable uTP transport-level verbose logging
Expand All @@ -1365,12 +1371,7 @@ BITTORRENT OPTIONS
NETWORK OPTIONS
-x <file> loads an emule IP-filter file
-Y Rate limit local peers
)"
#if TORRENT_USE_I2P
R"( -i <i2p-host> the hostname to an I2P SAM bridge to use
)"
#endif
R"(

DISK OPTIONS
-a <mode> sets the allocation mode. [sparse|allocate]
-0 disable disk I/O, read garbage and don't flush to disk
Expand Down Expand Up @@ -1552,6 +1553,23 @@ int main(int argc, char* argv[])
break;
case 'T': max_connections_per_torrent = atoi(arg); break;
case 'r': peer = arg; break;
case 'i': {
#if TORRENT_HAVE_MMAP || TORRENT_HAVE_MAP_VIEW_OF_FILE
if (arg == "mmap"_sv)
params.disk_io_constructor = lt::mmap_disk_io_constructor;
else
#endif
if (arg == "posix"_sv)
params.disk_io_constructor = lt::posix_disk_io_constructor;
else if (arg == "disabled"_sv)
params.disk_io_constructor = lt::disabled_disk_io_constructor;
else
{
std::fprintf(stderr, "unknown disk-io subsystem: \"%s\"\n", arg);
std::exit(1);
}
break;
}
case 'e':
{
loop_limit = atoi(arg);
Expand Down
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