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https://github.com/matrix-construct/construct
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ircd: Mein conf.
This commit is contained in:
Jason Volk
parent
15ec746fc6
commit
97e593a77e
9 changed files with 250 additions and 100 deletions
84
include/ircd/conf.h
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84
include/ircd/conf.h
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@ -0,0 +1,84 @@
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// Matrix Construct
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//
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// Copyright (C) Matrix Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice is present in all copies. The
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// full license for this software is available in the LICENSE file.
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#pragma once
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#define HAVE_IRCD_CONF_H
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namespace ircd::conf
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{
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template<class T = void> struct item; // doesn't exist
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template<class T> struct value; // abstraction for carrying item value
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template<> struct item<void>; // base class of all conf items
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template<> struct item<seconds>;
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IRCD_EXCEPTION(ircd::error, error)
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extern const std::string &config; //TODO: X
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void init(const string_view &configfile);
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}
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/// Conf item base class. You don't create this directly; use one of the
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/// derived templates instead.
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template<>
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struct ircd::conf::item<void>
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:instance_list<ircd::conf::item<>>
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{
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json::strung feature_;
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json::object feature;
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string_view name;
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virtual bool refresh();
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item(const json::members &);
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virtual ~item() noexcept;
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};
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/// Conf item value abstraction. If possible, the conf item will also
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/// inherit from this template to deduplicate functionality between
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/// conf items which contain similar classes of values.
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template<class T>
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struct ircd::conf::value
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:conf::item<>
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{
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using value_type = T;
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T _value;
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std::function<bool (T &)> refresher;
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operator const T &() const
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{
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return _value;
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}
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bool refresh() override
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{
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return refresher? refresher(_value) : false;
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}
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template<class U>
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value(const json::members &memb, U&& t)
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:conf::item<>{memb}
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,_value{std::forward<U>(t)}
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{}
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value(const json::members &memb = {})
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:conf::item<>{memb}
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,_value{feature.get<T>("default", T{})}
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{}
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};
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template<>
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struct ircd::conf::item<ircd::seconds>
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:conf::value<seconds>
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{
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using value_type = seconds;
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using value::value;
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};
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@ -82,7 +82,7 @@ struct ircd::m::keys
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struct ircd::m::keys::init
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{
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json::object conf;
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json::object config;
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void certificate();
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void signing();
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@ -90,7 +90,7 @@ struct ircd::m::keys::init
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public:
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void bootstrap();
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init(const json::object &conf);
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init(const json::object &config);
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~init() noexcept;
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};
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@ -61,7 +61,7 @@ namespace ircd
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struct ircd::m::init
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{
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json::object conf;
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json::object config;
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void bootstrap();
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void listeners();
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@ -183,7 +183,7 @@ namespace ircd
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constexpr size_t BUFSIZE { 512 };
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extern const enum runlevel &runlevel;
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extern const std::string &conf;
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extern const std::string &config;
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extern bool debugmode; ///< Toggle; available only ifdef RB_DEBUG
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std::string demangle(const std::string &symbol);
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@ -218,6 +218,7 @@ namespace ircd
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#include "http.h"
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#include "fmt.h"
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#include "magics.h"
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#include "conf.h"
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#include "fs/fs.h"
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#include "ios.h"
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#include "ctx/ctx.h"
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@ -78,6 +78,7 @@ libircd_la_SOURCES = \
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logger.cc \
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info.cc \
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sodium.cc \
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conf.cc \
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rfc1459.cc \
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rand.cc \
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hash.cc \
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135
ircd/conf.cc
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135
ircd/conf.cc
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@ -0,0 +1,135 @@
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// Matrix Construct
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//
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// Copyright (C) Matrix Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice is present in all copies. The
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// full license for this software is available in the LICENSE file.
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namespace ircd::conf
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{
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std::string _config;
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static std::string read_json_file(string_view filename);
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}
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//TODO: X
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decltype(ircd::conf::config)
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ircd::conf::config
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{
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_config
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};
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// The configuration file is a user-converted Synapse homeserver.yaml
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// converted into JSON. The configuration file is only truly necessary
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// the first time IRCd is ever run. It does not have to be passed again
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// to subsequent executions of IRCd if the database can be found. If
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// the database is found, data passed in the configfile will be used
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// to override the databased values. In this case, the complete config
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// is not required to be specified in the file; only what is present
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// will be used to override.
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//
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// *NOTE* This expects *canonical JSON* right now. That means converting
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// your homeserver.yaml may be a two step process: 1. YAML to JSON, 2.
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// whitespace-stripping the JSON. Tools to do both of these things are
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// first hits in a google search.
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void
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ircd::conf::init(const string_view &filename)
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{
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_config = read_json_file(filename);
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}
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//
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// item
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//
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template<>
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decltype(ircd::instance_list<ircd::conf::item<>>::list)
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ircd::instance_list<ircd::conf::item<>>::list
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{};
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/// Conf item abstract constructor.
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ircd::conf::item<void>::item(const json::members &opts)
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:feature_
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{
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opts
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}
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,feature
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{
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feature_
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}
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,name
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{
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feature.has("name")? unquote(feature["name"]) : "<unnamed>"_sv
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}
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{
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}
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ircd::conf::item<void>::~item()
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noexcept
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{
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}
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bool
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ircd::conf::item<void>::refresh()
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{
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return false;
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}
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//
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// misc
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//
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std::string
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ircd::conf::read_json_file(string_view filename)
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try
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{
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if(!filename.empty())
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log::debug
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{
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"User supplied a configuration file path: `%s'", filename
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};
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if(filename.empty())
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filename = fs::CPATH;
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if(!fs::exists(filename))
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return {};
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std::string read
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{
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fs::read(filename)
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};
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// ensure any trailing cruft is removed to not set off the validator
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if(endswith(read, '\n'))
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read.pop_back();
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if(endswith(read, '\r'))
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read.pop_back();
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// grammar check; throws on error
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json::valid(read);
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const json::object object{read};
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const size_t key_count{object.count()};
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log::info
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{
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"Using configuration from: `%s': JSON object with %zu members in %zu bytes",
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filename,
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key_count,
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read.size()
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};
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return read;
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}
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catch(const std::exception &e)
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{
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log::error
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{
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"Configuration @ `%s': %s", filename, e.what()
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};
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throw;
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}
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79
ircd/ircd.cc
79
ircd/ircd.cc
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@ -20,13 +20,9 @@ namespace ircd
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boost::asio::io_context *ios; // user's io service
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struct strand *strand; // libircd event serializer
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std::string _conf; // JSON read from configfile
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const std::string &conf{_conf}; // Observer for conf data
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ctx::ctx *main_context; // Main program loop
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bool debugmode; // meaningful ifdef RB_DEBUG
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std::string read_conf(std::string file);
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void set_runlevel(const enum runlevel &);
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void at_main_exit() noexcept;
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void main();
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@ -87,30 +83,16 @@ try
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// Saves the user's runlevel_changed callback which we invoke.
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ircd::runlevel_changed = std::move(runlevel_changed);
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// The log is available, but it is console-only until conf opens files.
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// The log is available. but it is console-only until conf opens files.
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log::init();
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log::mark("READY");
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// The conf supplied by the user is read in; see: ircd::conf.
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conf::init(configfile);
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// This starts off the log with library information.
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info::init();
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// The configuration file is a user-converted Synapse homeserver.yaml
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// converted into JSON. The configuration file is only truly meaningful
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// the first time IRCd is ever run. Subsequently, only the database must
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// be found. Real configuration is stored in the !config channel.
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//
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// This subroutine reads a file either at the user-supplied path or the
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// default path specified in ircd::fs, vets for basic syntax issues, and
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// then returns a string of JSON (the file's contents). The validity of
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// the actual configuration is not known until specific subsystems are
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// init'ed later.
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//
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// *NOTE* This expects *canonical JSON* right now. That means converting
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// your homeserver.yaml may be a two step process: 1. YAML to JSON, 2.
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// whitespace-stripping the JSON. Tools to do both of these things are
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// first hits in a google search.
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ircd::_conf = read_conf(configfile);
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// Setup the main context, which is a new stack executing the function
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// ircd::main(). The main_context is the first ircd::ctx to be spawned
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// and will be the last to finish.
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@ -362,56 +344,3 @@ ircd::reflect(const enum runlevel &level)
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return "??????";
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}
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std::string
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ircd::read_conf(std::string filename)
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try
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{
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if(!filename.empty())
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log::debug
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{
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"User supplied a configuration file path: `%s'", filename
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};
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if(filename.empty())
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filename = fs::CPATH;
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if(!fs::exists(filename))
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return {};
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std::string read
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{
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fs::read(filename)
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};
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// ensure any trailing cruft is removed to not set off the validator
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if(endswith(read, '\n'))
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read.pop_back();
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if(endswith(read, '\r'))
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read.pop_back();
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// grammar check; throws on error
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json::valid(read);
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const json::object object{read};
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const size_t key_count{object.count()};
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log::info
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{
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"Using configuration from: `%s': JSON object with %zu members in %zu bytes",
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filename,
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key_count,
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read.size()
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};
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return read;
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}
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catch(const std::exception &e)
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{
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log::error
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{
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"Configuration @ `%s': %s", filename, e.what()
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};
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throw;
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}
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@ -52,8 +52,8 @@ ircd::m::self::tls_cert_der_sha256_b64
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// init
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//
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ircd::m::keys::init::init(const json::object &conf)
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:conf{conf}
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ircd::m::keys::init::init(const json::object &config)
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:config{config}
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{
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certificate();
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signing();
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@ -114,7 +114,7 @@ ircd::m::keys::init::signing()
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{
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const std::string sk_file
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{
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unquote(conf.get("signing_key_path", "construct.sk"))
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unquote(config.get("signing_key_path", "construct.sk"))
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};
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if(fs::exists(sk_file))
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30
ircd/m/m.cc
30
ircd/m/m.cc
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@ -66,13 +66,13 @@ ircd::m::control
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ircd::m::init::init()
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try
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:conf
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:config
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{
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ircd::conf
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ircd::conf::config //TODO: X
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}
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,_keys
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{
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conf
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this->config
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}
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{
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modules();
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@ -123,8 +123,8 @@ ircd::m::init::modules()
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namespace ircd::m
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{
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static void init_listener(const json::object &conf, const json::object &opts, const string_view &bindaddr);
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static void init_listener(const json::object &conf, const json::object &opts);
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static void init_listener(const json::object &config, const json::object &opts, const string_view &bindaddr);
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static void init_listener(const json::object &config, const json::object &opts);
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}
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void
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@ -132,18 +132,18 @@ ircd::m::init::listeners()
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{
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const json::array listeners
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{
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conf["listeners"]
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config["listeners"]
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};
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if(m::listeners.empty())
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init_listener(conf, {});
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init_listener(config, {});
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else
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for(const json::object opts : listeners)
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init_listener(conf, opts);
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init_listener(config, opts);
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}
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static void
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ircd::m::init_listener(const json::object &conf,
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ircd::m::init_listener(const json::object &config,
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const json::object &opts)
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{
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const json::array binds
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@ -152,14 +152,14 @@ ircd::m::init_listener(const json::object &conf,
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};
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if(binds.empty())
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init_listener(conf, opts, "0.0.0.0");
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init_listener(config, opts, "0.0.0.0");
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else
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for(const auto &bindaddr : binds)
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init_listener(conf, opts, unquote(bindaddr));
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init_listener(config, opts, unquote(bindaddr));
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}
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static void
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ircd::m::init_listener(const json::object &conf,
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ircd::m::init_listener(const json::object &config,
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const json::object &opts,
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const string_view &host)
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{
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@ -178,9 +178,9 @@ ircd::m::init_listener(const json::object &conf,
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{ "name", name },
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{ "host", host },
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{ "port", opts.get("port", 8448L) },
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{ "ssl_certificate_file_pem", conf["tls_certificate_path"] },
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{ "ssl_private_key_file_pem", conf["tls_private_key_path"] },
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{ "ssl_tmp_dh_file", conf["tls_dh_params_path"] },
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{ "ssl_certificate_file_pem", config["tls_certificate_path"] },
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{ "ssl_private_key_file_pem", config["tls_private_key_path"] },
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{ "ssl_tmp_dh_file", config["tls_dh_params_path"] },
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}};
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m::listeners.emplace_back(options);
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