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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
commit | e6918187568dbd01842d8d1d2c808ce16a894239 (patch) | |
tree | 64f88b554b444a49f656b6c656111a145cbbaa28 /src/test/crimson/test_buffer.cc | |
parent | Initial commit. (diff) | |
download | ceph-e6918187568dbd01842d8d1d2c808ce16a894239.tar.xz ceph-e6918187568dbd01842d8d1d2c808ce16a894239.zip |
Adding upstream version 18.2.2.upstream/18.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/crimson/test_buffer.cc')
-rw-r--r-- | src/test/crimson/test_buffer.cc | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/test/crimson/test_buffer.cc b/src/test/crimson/test_buffer.cc new file mode 100644 index 000000000..64a815bd2 --- /dev/null +++ b/src/test/crimson/test_buffer.cc @@ -0,0 +1,50 @@ +#include <iostream> +#include <seastar/core/app-template.hh> +#include <seastar/core/future-util.hh> +#include <seastar/core/reactor.hh> +#include "include/buffer.h" + +// allocate a foreign buffer on each cpu, collect them all into a bufferlist, +// and destruct it on this cpu +seastar::future<> test_foreign_bufferlist() +{ + auto make_foreign_buffer = [] (unsigned cpu) { + return seastar::smp::submit_to(cpu, [=] { + bufferlist bl; + seastar::temporary_buffer<char> buf("abcd", 4); + bl.append(buffer::create(std::move(buf))); + return bl; + }); + }; + auto reduce = [] (bufferlist&& lhs, bufferlist&& rhs) { + bufferlist bl; + bl.claim_append(lhs); + bl.claim_append(rhs); + return bl; + }; + return seastar::map_reduce(seastar::smp::all_cpus(), make_foreign_buffer, + bufferlist(), reduce).then( + [] (bufferlist&& bl) { + if (bl.length() != 4 * seastar::smp::count) { + auto e = std::make_exception_ptr(std::runtime_error("wrong buffer size")); + return seastar::make_exception_future<>(e); + } + bl.clear(); + return seastar::make_ready_future<>(); + }); +} + +int main(int argc, char** argv) +{ + seastar::app_template app; + return app.run(argc, argv, [] { + return seastar::now().then( + &test_foreign_bufferlist + ).then([] { + std::cout << "All tests succeeded" << std::endl; + }).handle_exception([] (auto eptr) { + std::cout << "Test failure" << std::endl; + return seastar::make_exception_future<>(eptr); + }); + }); +} |