/proc/self/cwd/source/server/options_impl.h
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1 | | #pragma once |
2 | | |
3 | | #include <chrono> |
4 | | #include <cstdint> |
5 | | #include <string> |
6 | | |
7 | | #include "envoy/common/exception.h" |
8 | | #include "envoy/config/bootstrap/v3/bootstrap.pb.h" |
9 | | #include "envoy/registry/registry.h" |
10 | | #include "envoy/server/options.h" |
11 | | |
12 | | #include "source/common/common/logger.h" |
13 | | #include "source/common/config/well_known_names.h" |
14 | | #include "source/server/options_impl_base.h" |
15 | | |
16 | | #include "spdlog/spdlog.h" |
17 | | |
18 | | namespace Envoy { |
19 | | |
20 | | /** |
21 | | * Implementation of Server::Options which can parse from the command line. |
22 | | */ |
23 | | class OptionsImpl : public OptionsImplBase { |
24 | | public: |
25 | | /** |
26 | | * Parameters are hot_restart_enabled |
27 | | */ |
28 | | using HotRestartVersionCb = std::function<std::string(bool)>; |
29 | | |
30 | | /** |
31 | | * @throw NoServingException if Envoy has already done everything specified by the args (e.g. |
32 | | * print the hot restart version) and it's time to exit without serving HTTP traffic. The |
33 | | * caller should exit(0) after any necessary cleanup. |
34 | | * @throw MalformedArgvException if something is wrong with the arguments (invalid flag or flag |
35 | | * value). The caller should call exit(1) after any necessary cleanup. |
36 | | */ |
37 | | OptionsImpl(int argc, const char* const* argv, const HotRestartVersionCb& hot_restart_version_cb, |
38 | | spdlog::level::level_enum default_log_level); |
39 | | |
40 | | /** |
41 | | * @throw NoServingException if Envoy has already done everything specified by the args (e.g. |
42 | | * print the hot restart version) and it's time to exit without serving HTTP traffic. The |
43 | | * caller should exit(0) after any necessary cleanup. |
44 | | * @throw MalformedArgvException if something is wrong with the arguments (invalid flag or flag |
45 | | * value). The caller should call exit(1) after any necessary cleanup. |
46 | | */ |
47 | | OptionsImpl(std::vector<std::string> args, const HotRestartVersionCb& hot_restart_version_cb, |
48 | | spdlog::level::level_enum default_log_level); |
49 | | |
50 | | // Default constructor; creates "reasonable" defaults, but desired values should be set |
51 | | // explicitly. |
52 | | OptionsImpl(const std::string& service_cluster, const std::string& service_node, |
53 | | const std::string& service_zone, spdlog::level::level_enum log_level); |
54 | | |
55 | | Server::CommandLineOptionsPtr toCommandLineOptions() const override; |
56 | | void parseComponentLogLevels(const std::string& component_log_levels); |
57 | | static void logError(const std::string& error); |
58 | | static std::string allowedLogLevels(); |
59 | | }; |
60 | | |
61 | | /** |
62 | | * Thrown when an OptionsImpl was not constructed because all of Envoy's work is done (for example, |
63 | | * it was started with --help and it's already printed a help message) so all that's left to do is |
64 | | * exit successfully. |
65 | | */ |
66 | | class NoServingException : public EnvoyException { |
67 | | public: |
68 | 0 | NoServingException(const std::string& what) : EnvoyException(what) {} |
69 | | }; |
70 | | |
71 | | /** |
72 | | * Thrown when an OptionsImpl was not constructed because the argv was invalid. |
73 | | */ |
74 | | class MalformedArgvException : public EnvoyException { |
75 | | public: |
76 | 0 | MalformedArgvException(const std::string& what) : EnvoyException(what) {} |
77 | | }; |
78 | | |
79 | | } // namespace Envoy |