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https://github.com/oxen-io/lokinet.git
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b81f7025c9
Replaces custom logging system with spdlog-based oxen logging. This
commit mainly replaces the backend logging with the spdlog-based system,
but doesn't (yet) convert all the existing LogWarn, etc. to use the new
format-based logging.
New logging statements will look like:
llarp::log::warning(cat, "blah: {}", val);
where `cat` should be set up in each .cpp or cluster of .cpp files, as
described in the oxen-logging README.
As part of spdlog we get fmt, which gives us nice format strings, where
are applied generously in this commit.
Making types printable now requires two steps:
- add a ToString() method
- add this specialization:
template <>
constexpr inline bool llarp::IsToStringFormattable<llarp::Whatever> = true;
This will then allow the type to be printed as a "{}" value in a
fmt::format string. This is applied to all our printable types here,
and all of the `operator<<` are removed.
This commit also:
- replaces various uses of `operator<<` to ToString()
- replaces various uses of std::stringstream with either fmt::format or
plain std::string
- Rename some to_string and toString() methods to ToString() for
consistency (and to work with fmt)
- Replace `stringify(...)` and `make_exception` usage with fmt::format
(and remove stringify/make_exception from util/str.hpp).
77 lines
1.9 KiB
C++
77 lines
1.9 KiB
C++
#include "fs.hpp"
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#include <llarp/util/logging.hpp>
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#include <llarp/util/formattable.hpp>
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#include <fcntl.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <system_error>
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#ifdef WIN32
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#include <io.h>
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#else
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#include <unistd.h>
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#endif
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namespace llarp
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{
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namespace util
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{
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static std::error_code
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errno_error()
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{
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int e = errno;
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errno = 0;
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return std::make_error_code(static_cast<std::errc>(e));
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}
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error_code_t
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EnsurePrivateFile(fs::path pathname)
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{
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errno = 0;
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error_code_t ec = errno_error();
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const auto str = pathname.string();
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if (fs::exists(pathname, ec)) // file exists
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{
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auto st = fs::status(pathname);
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auto perms = st.permissions();
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if ((perms & fs::perms::others_exec) != fs::perms::none)
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perms = perms ^ fs::perms::others_exec;
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if ((perms & fs::perms::others_write) != fs::perms::none)
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perms = perms ^ fs::perms::others_write;
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if ((perms & fs::perms::others_write) != fs::perms::none)
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perms = perms ^ fs::perms::others_write;
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if ((perms & fs::perms::group_read) != fs::perms::none)
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perms = perms ^ fs::perms::group_read;
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if ((perms & fs::perms::others_read) != fs::perms::none)
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perms = perms ^ fs::perms::others_read;
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if ((perms & fs::perms::owner_exec) != fs::perms::none)
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perms = perms ^ fs::perms::owner_exec;
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fs::permissions(pathname, perms, ec);
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if (ec)
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llarp::LogError("failed to set permissions on ", pathname);
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}
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else // file is not there
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{
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errno = 0;
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int fd = ::open(str.c_str(), O_RDWR | O_CREAT, 0600);
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ec = errno_error();
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if (fd != -1)
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{
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::close(fd);
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}
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}
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#ifndef WIN32
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if (ec)
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llarp::LogError("failed to ensure ", str, ", ", ec.message());
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return ec;
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#else
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return {};
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#endif
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}
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} // namespace util
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} // namespace llarp
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