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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).
73 lines
1.8 KiB
C++
73 lines
1.8 KiB
C++
#pragma once
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#include <llarp/util/status.hpp>
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#include <llarp/util/types.hpp>
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#include <llarp/util/formattable.hpp>
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#include <fmt/format.h>
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#include <functional>
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namespace llarp
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{
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struct ILinkSession;
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struct RouterID;
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struct RouterContact;
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enum class SessionResult
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{
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Establish,
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Timeout,
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RouterNotFound,
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InvalidRouter,
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NoLink,
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EstablishFail
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};
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constexpr std::string_view
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ToString(SessionResult sr)
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{
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return sr == llarp::SessionResult::Establish ? "success"sv
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: sr == llarp::SessionResult::Timeout ? "timeout"sv
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: sr == llarp::SessionResult::NoLink ? "no link"sv
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: sr == llarp::SessionResult::InvalidRouter ? "invalid router"sv
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: sr == llarp::SessionResult::RouterNotFound ? "not found"sv
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: sr == llarp::SessionResult::EstablishFail ? "establish failed"sv
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: "???"sv;
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}
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template <>
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constexpr inline bool IsToStringFormattable<SessionResult> = true;
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using RouterCallback = std::function<void(const RouterID&, const SessionResult)>;
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struct IOutboundSessionMaker
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{
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virtual ~IOutboundSessionMaker() = default;
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virtual bool
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OnSessionEstablished(ILinkSession* session) = 0;
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virtual void
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OnConnectTimeout(ILinkSession* session) = 0;
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virtual void
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CreateSessionTo(const RouterID& router, RouterCallback on_result) = 0;
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virtual void
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CreateSessionTo(const RouterContact& rc, RouterCallback on_result) = 0;
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virtual bool
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HavePendingSessionTo(const RouterID& router) const = 0;
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virtual void
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ConnectToRandomRouters(int numDesired) = 0;
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virtual util::StatusObject
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ExtractStatus() const = 0;
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virtual bool
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ShouldConnectTo(const RouterID& router) const = 0;
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};
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} // namespace llarp
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