Merge pull request #1408 from velovix/issue-1387_api-documentation

Add documentation for common configuration fields, common proxy configuration, and sessions
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fatedier 2019-08-25 21:15:32 +08:00 committed by GitHub
commit d8d587fd93
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4 changed files with 258 additions and 70 deletions

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@ -34,6 +34,7 @@ import (
fmux "github.com/hashicorp/yamux"
)
// Service is a client service.
type Service struct {
// uniq id got from frps, attach it in loginMsg
runId string
@ -58,6 +59,7 @@ type Service struct {
closedCh chan int
}
// NewService creates a new client service with the given configuration.
func NewService(cfg config.ClientCommonConf, pxyCfgs map[string]config.ProxyConf, visitorCfgs map[string]config.VisitorConf, cfgFile string) (svr *Service, err error) {
svr = &Service{
cfg: cfg,

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@ -23,34 +23,101 @@ import (
ini "github.com/vaughan0/go-ini"
)
// client common config
// ClientCommonConf contains information for a client service. It is
// recommended to use GetDefaultClientConf instead of creating this object
// directly, so that all unspecified fields have reasonable default values.
type ClientCommonConf struct {
// ServerAddr specifies the address of the server to connect to. By
// default, this value is "0.0.0.0".
ServerAddr string `json:"server_addr"`
// ServerPort specifies the port to connect to the server on. By default,
// this value is 7000.
ServerPort int `json:"server_port"`
// HttpProxy specifies a proxy address to connect to the server through. If
// this value is "", the server will be connected to directly. By default,
// this value is read from the "http_proxy" environment variable.
HttpProxy string `json:"http_proxy"`
// LogFile specifies a file where logs will be written to. This value will
// only be used if LogWay is set appropriately. By default, this value is
// "console".
LogFile string `json:"log_file"`
// LogWay specifies the way logging is managed. Valid values are "console"
// or "file". If "console" is used, logs will be printed to stdout. If
// "file" is used, logs will be printed to LogFile. By default, this value
// is "console".
LogWay string `json:"log_way"`
// LogLevel specifies the minimum log level. Valid values are "trace",
// "debug", "info", "warn", and "error". By default, this value is "info".
LogLevel string `json:"log_level"`
// LogMaxDays specifies the maximum number of days to store log information
// before deletion. This is only used if LogWay == "file". By default, this
// value is 0.
LogMaxDays int64 `json:"log_max_days"`
// DisableLogColor disables log colors when LogWay == "console" when set to
// true. By default, this value is false.
DisableLogColor bool `json:"disable_log_color"`
// Token specifies the authorization token used to create keys to be sent
// to the server. The server must have a matching token for authorization
// to succeed. By default, this value is "".
Token string `json:"token"`
// AdminAddr specifies the address that the admin server binds to. By
// default, this value is "127.0.0.1".
AdminAddr string `json:"admin_addr"`
// AdminPort specifies the port for the admin server to listen on. If this
// value is 0, the admin server will not be started. By default, this value
// is 0.
AdminPort int `json:"admin_port"`
// AdminUser specifies the username that the admin server will use for
// login. By default, this value is "admin".
AdminUser string `json:"admin_user"`
// AdminPwd specifies the password that the admin server will use for
// login. By default, this value is "admin".
AdminPwd string `json:"admin_pwd"`
// AssetsDir specifies the local directory that the admin server will load
// resources from. If this value is "", assets will be loaded from the
// bundled executable using statik. By default, this value is "".
AssetsDir string `json:"assets_dir"`
// PoolCount specifies the number of connections the client will make to
// the server in advance. By default, this value is 0.
PoolCount int `json:"pool_count"`
// TcpMux toggles TCP stream multiplexing. This allows multiple requests
// from a client to share a single TCP connection. If this value is true,
// the server must have TCP multiplexing enabled as well. By default, this
// value is true.
TcpMux bool `json:"tcp_mux"`
// User specifies a prefix for proxy names to distinguish them from other
// clients. If this value is not "", proxy names will automatically be
// changed to "{user}.{proxy_name}". By default, this value is "".
User string `json:"user"`
// DnsServer specifies a DNS server address for FRPC to use. If this value
// is "", the default DNS will be used. By default, this value is "".
DnsServer string `json:"dns_server"`
// LoginFailExit controls whether or not the client should exit after a
// failed login attempt. If false, the client will retry until a login
// attempt succeeds. By default, this value is true.
LoginFailExit bool `json:"login_fail_exit"`
// Start specifies a set of enabled proxies by name. If this set is empty,
// all supplied proxies are enabled. By default, this value is an empty
// set.
Start map[string]struct{} `json:"start"`
// Protocol specifies the protocol to use when interacting with the server.
// Valid values are "tcp", "kcp", and "websocket". By default, this value
// is "tcp".
Protocol string `json:"protocol"`
// TLSEnable specifies whether or not TLS should be used when communicating
// with the server.
TLSEnable bool `json:"tls_enable"`
// HeartBeatInterval specifies at what interval heartbeats are sent to the
// server, in seconds. It is not recommended to change this value. By
// default, this value is 30.
HeartBeatInterval int64 `json:"heartbeat_interval"`
// HeartBeatTimeout specifies the maximum allowed heartbeat response delay
// before the connection is terminated, in seconds. It is not recommended
// to change this value. By default, this value is 90.
HeartBeatTimeout int64 `json:"heartbeat_timeout"`
}
// GetDefaultClientConf returns a client configuration with default values.
func GetDefaultClientConf() ClientCommonConf {
return ClientCommonConf{
ServerAddr: "0.0.0.0",
@ -85,8 +152,7 @@ func UnmarshalClientConfFromIni(content string) (cfg ClientCommonConf, err error
conf, err := ini.Load(strings.NewReader(content))
if err != nil {
err = fmt.Errorf("parse ini conf file error: %v", err)
return ClientCommonConf{}, err
return ClientCommonConf{}, fmt.Errorf("parse ini conf file error: %v", err)
}
var (

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@ -97,17 +97,33 @@ func NewProxyConfFromIni(prefix string, name string, section ini.Section) (cfg P
return
}
// BaseProxy info
// BaseProxyConf provides configuration info that is common to all proxy types.
type BaseProxyConf struct {
// ProxyName is the name of this proxy.
ProxyName string `json:"proxy_name"`
// ProxyType specifies the type of this proxy. Valid values include "tcp",
// "udp", "http", "https", "stcp", and "xtcp". By default, this value is
// "tcp".
ProxyType string `json:"proxy_type"`
// UseEncryption controls whether or not communication with the server will
// be encrypted. Encryption is done using the tokens supplied in the server
// and client configuration. By default, this value is false.
UseEncryption bool `json:"use_encryption"`
// UseCompression controls whether or not communication with the server
// will be compressed. By default, this value is false.
UseCompression bool `json:"use_compression"`
// Group specifies which group the proxy is a part of. The server will use
// this information to load balance proxies in the same group. If the value
// is "", this proxy will not be in a group. By default, this value is "".
Group string `json:"group"`
// GroupKey specifies a group key, which should be the same among proxies
// of the same group. By default, this value is "".
GroupKey string `json:"group_key"`
// only used for client
// ProxyProtocolVersion specifies which protocol version to use. Valid
// values include "v1", "v2", and "". If the value is "", a protocol
// version will be automatically selected. By default, this value is "".
ProxyProtocolVersion string `json:"proxy_protocol_version"`
LocalSvrConf
HealthCheckConf
@ -332,12 +348,20 @@ func (cfg *DomainConf) checkForSvr(serverCfg ServerCommonConf) (err error) {
return
}
// Local service info
// LocalSvrConf configures what location the client will proxy to, or what
// plugin will be used.
type LocalSvrConf struct {
// LocalIp specifies the IP address or host name to proxy to.
LocalIp string `json:"local_ip"`
// LocalPort specifies the port to proxy to.
LocalPort int `json:"local_port"`
// Plugin specifies what plugin should be used for proxying. If this value
// is set, the LocalIp and LocalPort values will be ignored. By default,
// this value is "".
Plugin string `json:"plugin"`
// PluginParams specify parameters to be passed to the plugin, if one is
// being used. By default, this value is an empty map.
PluginParams map[string]string `json:"plugin_params"`
}
@ -399,15 +423,35 @@ func (cfg *LocalSvrConf) checkForCli() (err error) {
return
}
// Health check info
// HealthCheckConf configures health checking. This can be useful for load
// balancing purposes to detect and remove proxies to failing services.
type HealthCheckConf struct {
// HealthCheckType specifies what protocol to use for health checking.
// Valid values include "tcp", "http", and "". If this value is "", health
// checking will not be performed. By default, this value is "".
//
// If the type is "tcp", a connection will be attempted to the target
// server. If a connection cannot be established, the health check fails.
//
// If the type is "http", a GET request will be made to the endpoint
// specified by HealthCheckUrl. If the response is not a 200, the health
// check fails.
HealthCheckType string `json:"health_check_type"` // tcp | http
// HealthCheckTimeoutS specifies the number of seconds to wait for a health
// check attempt to connect. If the timeout is reached, this counts as a
// health check failure. By default, this value is 3.
HealthCheckTimeoutS int `json:"health_check_timeout_s"`
// HealthCheckMaxFailed specifies the number of allowed failures before the
// proxy is stopped. By default, this value is 1.
HealthCheckMaxFailed int `json:"health_check_max_failed"`
// HealthCheckIntervalS specifies the time in seconds between health
// checks. By default, this value is 10.
HealthCheckIntervalS int `json:"health_check_interval_s"`
// HealthCheckUrl specifies the address to send health checks to if the
// health check type is "http".
HealthCheckUrl string `json:"health_check_url"`
// local_ip + local_port
// HealthCheckAddr specifies the address to connect to if the health check
// type is "tcp".
HealthCheckAddr string `json:"-"`
}

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@ -24,46 +24,120 @@ import (
"github.com/fatedier/frp/utils/util"
)
// common config
// ServerCommonConf contains information for a server service. It is
// recommended to use GetDefaultServerConf instead of creating this object
// directly, so that all unspecified fields have reasonable default values.
type ServerCommonConf struct {
// BindAddr specifies the address that the server binds to. By default,
// this value is "0.0.0.0".
BindAddr string `json:"bind_addr"`
// BindPort specifies the port that the server listens on. By default, this
// value is 7000.
BindPort int `json:"bind_port"`
// BindUdpPort specifies the UDP port that the server listens on. If this
// value is 0, the server will not listen for UDP connections. By default,
// this value is 0
BindUdpPort int `json:"bind_udp_port"`
// BindKcpPort specifies the KCP port that the server listens on. If this
// value is 0, the server will not listen for KCP connections. By default,
// this value is 0.
KcpBindPort int `json:"kcp_bind_port"`
// ProxyBindAddr specifies the address that the proxy binds to. This value
// may be the same as BindAddr. By default, this value is "0.0.0.0".
ProxyBindAddr string `json:"proxy_bind_addr"`
// If VhostHttpPort equals 0, don't listen a public port for http protocol.
// VhostHttpPort specifies the port that the server listens for HTTP Vhost
// requests. If this value is 0, the server will not listen for HTTP
// requests. By default, this value is 0.
VhostHttpPort int `json:"vhost_http_port"`
// if VhostHttpsPort equals 0, don't listen a public port for https protocol
// VhostHttpsPort specifies the port that the server listens for HTTPS
// Vhost requests. If this value is 0, the server will not listen for HTTPS
// requests. By default, this value is 0.
VhostHttpsPort int `json:"vhost_https_port"`
// VhostHttpTimeout specifies the response header timeout for the Vhost
// HTTP server, in seconds. By default, this value is 60.
VhostHttpTimeout int64 `json:"vhost_http_timeout"`
// DashboardAddr specifies the address that the dashboard binds to. By
// default, this value is "0.0.0.0".
DashboardAddr string `json:"dashboard_addr"`
// if DashboardPort equals 0, dashboard is not available
// DashboardPort specifies the port that the dashboard listens on. If this
// value is 0, the dashboard will not be started. By default, this value is
// 0.
DashboardPort int `json:"dashboard_port"`
// DashboardUser specifies the username that the dashboard will use for
// login. By default, this value is "admin".
DashboardUser string `json:"dashboard_user"`
// DashboardUser specifies the password that the dashboard will use for
// login. By default, this value is "admin".
DashboardPwd string `json:"dashboard_pwd"`
// AssetsDir specifies the local directory that the dashboard will load
// resources from. If this value is "", assets will be loaded from the
// bundled executable using statik. By default, this value is "".
AssetsDir string `json:"asserts_dir"`
// LogFile specifies a file where logs will be written to. This value will
// only be used if LogWay is set appropriately. By default, this value is
// "console".
LogFile string `json:"log_file"`
LogWay string `json:"log_way"` // console or file
// LogWay specifies the way logging is managed. Valid values are "console"
// or "file". If "console" is used, logs will be printed to stdout. If
// "file" is used, logs will be printed to LogFile. By default, this value
// is "console".
LogWay string `json:"log_way"`
// LogLevel specifies the minimum log level. Valid values are "trace",
// "debug", "info", "warn", and "error". By default, this value is "info".
LogLevel string `json:"log_level"`
// LogMaxDays specifies the maximum number of days to store log information
// before deletion. This is only used if LogWay == "file". By default, this
// value is 0.
LogMaxDays int64 `json:"log_max_days"`
// DisableLogColor disables log colors when LogWay == "console" when set to
// true. By default, this value is false.
DisableLogColor bool `json:"disable_log_color"`
// Token specifies the authorization token used to authenticate keys
// received from clients. Clients must have a matching token to be
// authorized to use the server. By default, this value is "".
Token string `json:"token"`
// SubDomainHost specifies the domain that will be attached to sub-domains
// requested by the client when using Vhost proxying. For example, if this
// value is set to "frps.com" and the client requested the subdomain
// "test", the resulting URL would be "test.frps.com". By default, this
// value is "".
SubDomainHost string `json:"subdomain_host"`
// TcpMux toggles TCP stream multiplexing. This allows multiple requests
// from a client to share a single TCP connection. By default, this value
// is true.
TcpMux bool `json:"tcp_mux"`
// Custom404Page specifies a path to a custom 404 page to display. If this
// value is "", a default page will be displayed. By default, this value is
// "".
Custom404Page string `json:"custom_404_page"`
// AllowPorts specifies a set of ports that clients are able to proxy to.
// If the length of this value is 0, all ports are allowed. By default,
// this value is an empty set.
AllowPorts map[int]struct{}
// MaxPoolCount specifies the maximum pool size for each proxy. By default,
// this value is 5.
MaxPoolCount int64 `json:"max_pool_count"`
// MaxPortsPerClient specifies the maximum number of ports a single client
// may proxy to. If this value is 0, no limit will be applied. By default,
// this value is 0.
MaxPortsPerClient int64 `json:"max_ports_per_client"`
// HeartBeatTimeout specifies the maximum time to wait for a heartbeat
// before terminating the connection. It is not recommended to change this
// value. By default, this value is 90.
HeartBeatTimeout int64 `json:"heart_beat_timeout"`
// UserConnTimeout specifies the maximum time to wait for a work
// connection. By default, this value is 10.
UserConnTimeout int64 `json:"user_conn_timeout"`
}
// GetDefaultServerConf returns a server configuration with reasonable
// defaults.
func GetDefaultServerConf() ServerCommonConf {
return ServerCommonConf{
BindAddr: "0.0.0.0",
@ -96,6 +170,8 @@ func GetDefaultServerConf() ServerCommonConf {
}
}
// UnmarshalServerConfFromIni parses the contents of a server configuration ini
// file and returns the resulting server configuration.
func UnmarshalServerConfFromIni(content string) (cfg ServerCommonConf, err error) {
cfg = GetDefaultServerConf()