lokinet/llarp/config/config.hpp
2019-11-25 16:30:34 -05:00

351 lines
8.9 KiB
C++

#ifndef LLARP_CONFIG_HPP
#define LLARP_CONFIG_HPP
#include <crypto/types.hpp>
#include <router_contact.hpp>
#include <util/fs.hpp>
#include <util/str.hpp>
#include <absl/strings/str_cat.h>
#include <cstdlib>
#include <functional>
#include <string>
#include <utility>
#include <vector>
#include <unordered_set>
namespace llarp
{
struct ConfigParser;
template < typename Type >
Type
fromEnv(const Type& val, string_view envNameSuffix)
{
std::string envName = absl::StrCat("LOKINET_", envNameSuffix);
char* ptr = std::getenv(envName.c_str());
if(ptr)
{
return ptr;
}
return val;
}
template <>
inline int
fromEnv< int >(const int& val, string_view envNameSuffix)
{
std::string envName = absl::StrCat("LOKINET_", envNameSuffix);
const char* ptr = std::getenv(envName.c_str());
if(ptr)
{
return std::atoi(ptr);
}
return val;
}
template <>
inline uint16_t
fromEnv< uint16_t >(const uint16_t& val, string_view envNameSuffix)
{
std::string envName = absl::StrCat("LOKINET_", envNameSuffix);
const char* ptr = std::getenv(envName.c_str());
if(ptr)
{
return std::atoi(ptr);
}
return val;
}
template <>
inline size_t
fromEnv< size_t >(const size_t& val, string_view envNameSuffix)
{
std::string envName = absl::StrCat("LOKINET_", envNameSuffix);
const char* ptr = std::getenv(envName.c_str());
if(ptr)
{
return std::atoll(ptr);
}
return val;
}
template <>
inline absl::optional< bool >
fromEnv< absl::optional< bool > >(const absl::optional< bool >& val,
string_view envNameSuffix)
{
std::string envName = absl::StrCat("LOKINET_", envNameSuffix);
const char* ptr = std::getenv(envName.c_str());
if(ptr)
{
return IsTrueValue(ptr);
}
return val;
}
class RouterConfig
{
private:
/// always maintain this many connections to other routers
size_t m_minConnectedRouters = 2;
/// hard upperbound limit on the number of router to router connections
size_t m_maxConnectedRouters = 5;
std::string m_netId;
std::string m_nickname;
std::string m_encryptionKeyfile = "encryption.key";
// path to write our self signed rc to
std::string m_ourRcFile = "rc.signed";
// transient iwp encryption key
std::string m_transportKeyfile = "transport.key";
// long term identity key
std::string m_identKeyfile = "identity.key";
absl::optional< bool > m_blockBogons;
bool m_publicOverride = false;
struct sockaddr_in m_ip4addr;
AddressInfo m_addrInfo;
int m_workerThreads = 1;
int m_numNetThreads = 1;
size_t m_JobQueueSize = size_t{1024 * 8};
std::string m_DefaultLinkProto = "iwp";
public:
// clang-format off
size_t jobQueueSize() const { return fromEnv(m_JobQueueSize, "JOB_QUEUE_SIZE"); }
size_t minConnectedRouters() const { return fromEnv(m_minConnectedRouters, "MIN_CONNECTED_ROUTERS"); }
size_t maxConnectedRouters() const { return fromEnv(m_maxConnectedRouters, "MAX_CONNECTED_ROUTERS"); }
std::string encryptionKeyfile() const { return fromEnv(m_encryptionKeyfile, "ENCRYPTION_KEYFILE"); }
std::string ourRcFile() const { return fromEnv(m_ourRcFile, "OUR_RC_FILE"); }
std::string transportKeyfile() const { return fromEnv(m_transportKeyfile, "TRANSPORT_KEYFILE"); }
std::string identKeyfile() const { return fromEnv(m_identKeyfile, "IDENT_KEYFILE"); }
std::string netId() const { return fromEnv(m_netId, "NETID"); }
std::string nickname() const { return fromEnv(m_nickname, "NICKNAME"); }
bool publicOverride() const { return fromEnv(m_publicOverride, "PUBLIC_OVERRIDE"); }
const struct sockaddr_in& ip4addr() const { return m_ip4addr; }
const AddressInfo& addrInfo() const { return m_addrInfo; }
int workerThreads() const { return fromEnv(m_workerThreads, "WORKER_THREADS"); }
int numNetThreads() const { return fromEnv(m_numNetThreads, "NUM_NET_THREADS"); }
std::string defaultLinkProto() const { return fromEnv(m_DefaultLinkProto, "LINK_PROTO"); }
absl::optional< bool > blockBogons() const { return fromEnv(m_blockBogons, "BLOCK_BOGONS"); }
// clang-format on
void
fromSection(string_view key, string_view val);
};
class NetworkConfig
{
public:
using NetConfig = std::unordered_multimap< std::string, std::string >;
private:
absl::optional< bool > m_enableProfiling;
std::string m_routerProfilesFile = "profiles.dat";
std::string m_strictConnect;
NetConfig m_netConfig;
public:
// clang-format off
absl::optional< bool > enableProfiling() const { return fromEnv(m_enableProfiling, "ENABLE_PROFILING"); }
std::string routerProfilesFile() const { return fromEnv(m_routerProfilesFile, "ROUTER_PROFILES_FILE"); }
std::string strictConnect() const { return fromEnv(m_strictConnect, "STRICT_CONNECT"); }
const NetConfig& netConfig() const { return m_netConfig; }
// clang-format on
void
fromSection(string_view key, string_view val);
};
class NetdbConfig
{
private:
std::string m_nodedbDir;
public:
// clang-format off
std::string nodedbDir() const { return fromEnv(m_nodedbDir, "NODEDB_DIR"); }
// clang-format on
void
fromSection(string_view key, string_view val);
};
struct DnsConfig
{
std::unordered_multimap< std::string, std::string > netConfig;
void
fromSection(string_view key, string_view val);
};
class LinksConfig
{
public:
static constexpr int Interface = 0;
static constexpr int AddressFamily = 1;
static constexpr int Port = 2;
static constexpr int Options = 3;
using ServerOptions = std::unordered_set< std::string >;
using LinkInfo = std::tuple< std::string, int, uint16_t, ServerOptions >;
using Links = std::vector< LinkInfo >;
private:
LinkInfo m_OutboundLink;
Links m_InboundLinks;
public:
// clang-format off
const LinkInfo& outboundLink() const { return m_OutboundLink; }
const Links& inboundLinks() const { return m_InboundLinks; }
// clang-format on
void
fromSection(string_view key, string_view val);
};
struct ConnectConfig
{
std::vector< std::string > routers;
void
fromSection(string_view key, string_view val);
};
struct ServicesConfig
{
std::vector< std::pair< std::string, std::string > > services;
void
fromSection(string_view key, string_view val);
};
struct SystemConfig
{
std::string pidfile;
void
fromSection(string_view key, string_view val);
};
struct MetricsConfig
{
bool disableMetrics = false;
bool disableMetricLogs = false;
fs::path jsonMetricsPath;
std::string metricTankHost;
std::map< std::string, std::string > metricTags;
void
fromSection(string_view key, string_view val);
};
class ApiConfig
{
private:
bool m_enableRPCServer = false;
std::string m_rpcBindAddr = "127.0.0.1:1190";
public:
// clang-format off
bool enableRPCServer() const { return fromEnv(m_enableRPCServer, "ENABLE_RPC_SERVER"); }
std::string rpcBindAddr() const { return fromEnv(m_rpcBindAddr, "RPC_BIND_ADDR"); }
// clang-format on
void
fromSection(string_view key, string_view val);
};
struct LokidConfig
{
bool usingSNSeed = false;
bool whitelistRouters = false;
fs::path ident_keyfile = "identity.key";
std::string lokidRPCAddr = "127.0.0.1:22023";
std::string lokidRPCUser;
std::string lokidRPCPassword;
void
fromSection(string_view key, string_view val);
};
struct BootstrapConfig
{
std::vector< std::string > routers;
void
fromSection(string_view key, string_view val);
};
struct LoggingConfig
{
bool m_LogJSON = false;
FILE* m_LogFile = stdout;
void
fromSection(string_view key, string_view val);
};
struct Config
{
private:
bool
parse(const ConfigParser& parser);
public:
RouterConfig router;
NetworkConfig network;
ConnectConfig connect;
NetdbConfig netdb;
DnsConfig dns;
LinksConfig links;
ServicesConfig services;
SystemConfig system;
MetricsConfig metrics;
ApiConfig api;
LokidConfig lokid;
BootstrapConfig bootstrap;
LoggingConfig logging;
bool
Load(const char* fname);
bool
LoadFromStr(string_view str);
};
fs::path
GetDefaultConfigDir();
fs::path
GetDefaultConfigPath();
} // namespace llarp
void
llarp_generic_ensure_config(std::ofstream& f, std::string basepath,
bool isRouter);
void
llarp_ensure_router_config(std::ofstream& f, std::string basepath);
bool
llarp_ensure_client_config(std::ofstream& f, std::string basepath);
#endif