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Code Issues Releases Wiki Activity

rearrange loader

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This commit is contained in:
vcptr 2019-12-16 09:33:41 +08:00
parent 3b4a4607e5
commit f14eb97e3c
9 changed files with 156 additions and 96 deletions
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19
config.go
View File

@ -4,14 +4,13 @@ package core
import (
"io"
"io/ioutil"
"os"
"strings"
"github.com/golang/protobuf/proto"
"v2ray.com/core/common"
"v2ray.com/core/common/buf"
"v2ray.com/core/common/cmdarg"
"v2ray.com/core/main/confloader"
)
// ConfigFormat is a configurable format of V2Ray config file.
@ -90,18 +89,10 @@ func init() {
Loader: func(input interface{}) (*Config, error) {
switch v := input.(type) {
case cmdarg.Arg:
if len(v) == 0 {
return nil, newError("input has no element")
}
var data []byte
var rerr error
// pb type can only handle the first config
if v[0] == "stdin:" {
data, rerr = buf.ReadAllToBytes(os.Stdin)
} else {
data, rerr = ioutil.ReadFile(v[0])
}
common.Must(rerr)
r, err := confloader.LoadConfig(v[0])
common.Must(err)
data, err := buf.ReadAllToBytes(r)
common.Must(err)
return loadProtobufConfig(data)
case io.Reader:
data, err := buf.ReadAllToBytes(v)

30
main/confloader/confloader.go Normal file
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@ -0,0 +1,30 @@
package confloader
import (
"io"
"os"
)
type configFileLoader func(string) (io.Reader, error)
type extconfigLoader func([]string) (io.Reader, error)
var (
EffectiveConfigFileLoader configFileLoader
EffectiveExtConfigLoader extconfigLoader
)
func LoadConfig(file string) (io.Reader, error) {
if EffectiveConfigFileLoader == nil {
newError("external config module not loaded, reading from stdin").AtInfo().WriteToLog()
return os.Stdin, nil
}
return EffectiveConfigFileLoader(file)
}
func LoadExtConfig(files []string) (io.Reader, error) {
if EffectiveExtConfigLoader == nil {
return nil, newError("external config module not loaded").AtError()
}
return EffectiveExtConfigLoader(files)
}

9
main/confloader/errors.generated.go Normal file
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@ -0,0 +1,9 @@
package confloader
import "v2ray.com/core/common/errors"
type errPathObjHolder struct{}
func newError(values ...interface{}) *errors.Error {
return errors.New(values...).WithPathObj(errPathObjHolder{})
}

9
main/confloader/external/errors.generated.go vendored Normal file
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@ -0,0 +1,9 @@
package external
import "v2ray.com/core/common/errors"
type errPathObjHolder struct{}
func newError(values ...interface{}) *errors.Error {
return errors.New(values...).WithPathObj(errPathObjHolder{})
}

86
main/confloader/external/external.go vendored Normal file
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@ -0,0 +1,86 @@
package external
//go:generate errorgen
import (
"bytes"
"io"
"io/ioutil"
"net/http"
"net/url"
"os"
"strings"
"time"
"v2ray.com/core/common/buf"
"v2ray.com/core/common/platform/ctlcmd"
"v2ray.com/core/main/confloader"
)
func ConfigLoader(arg string) (out io.Reader, err error) {
var data []byte
if strings.HasPrefix(arg, "http://") || strings.HasPrefix(arg, "https://") {
data, err = FetchHTTPContent(arg)
} else if arg == "stdin:" {
data, err = ioutil.ReadAll(os.Stdin)
} else {
data, err = ioutil.ReadFile(arg)
}
if err != nil {
return
}
out = bytes.NewBuffer(data)
return
}
func FetchHTTPContent(target string) ([]byte, error) {
parsedTarget, err := url.Parse(target)
if err != nil {
return nil, newError("invalid URL: ", target).Base(err)
}
if s := strings.ToLower(parsedTarget.Scheme); s != "http" && s != "https" {
return nil, newError("invalid scheme: ", parsedTarget.Scheme)
}
client := &http.Client{
Timeout: 30 * time.Second,
}
resp, err := client.Do(&http.Request{
Method: "GET",
URL: parsedTarget,
Close: true,
})
if err != nil {
return nil, newError("failed to dial to ", target).Base(err)
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
return nil, newError("unexpected HTTP status code: ", resp.StatusCode)
}
content, err := buf.ReadAllToBytes(resp.Body)
if err != nil {
return nil, newError("failed to read HTTP response").Base(err)
}
return content, nil
}
func ExtConfigLoader(files []string) (io.Reader, error) {
buf, err := ctlcmd.Run(append([]string{"config"}, files...), os.Stdin)
if err != nil {
return nil, err
}
return strings.NewReader(buf.String()), nil
}
func init() {
confloader.EffectiveConfigFileLoader = ConfigLoader
confloader.EffectiveExtConfigLoader = ExtConfigLoader
}

3
main/distro/all/all.go
View File

@ -58,4 +58,7 @@ import (
_ "v2ray.com/core/main/json"
// The following line loads JSON internally
// _ "v2ray.com/core/main/jsonem"
// Load config from file or http(s)
_ "v2ray.com/core/main/confloader/external"
)

10
main/json/config_json.go
View File

@ -4,14 +4,12 @@ package json
import (
"io"
"os"
"v2ray.com/core"
"v2ray.com/core/common"
"v2ray.com/core/common/buf"
"v2ray.com/core/common/cmdarg"
"v2ray.com/core/common/platform/ctlcmd"
"v2ray.com/core/infra/conf/serial"
"v2ray.com/core/main/confloader"
)
func init() {
@ -21,13 +19,11 @@ func init() {
Loader: func(input interface{}) (*core.Config, error) {
switch v := input.(type) {
case cmdarg.Arg:
jsonContent, err := ctlcmd.Run(append([]string{"config"}, v...), os.Stdin)
r, err := confloader.LoadExtConfig(v)
if err != nil {
return nil, newError("failed to execute v2ctl to convert config file.").Base(err).AtWarning()
}
return core.LoadConfig("protobuf", "", &buf.MultiBufferContainer{
MultiBuffer: jsonContent,
})
return core.LoadConfig("protobuf", "", r)
case io.Reader:
return serial.LoadJSONConfig(v)
default:

65
main/jsonem/jsonem.go
View File

@ -1,21 +1,14 @@
package jsonem
import (
"bytes"
"io"
"io/ioutil"
"net/http"
"net/url"
"os"
"strings"
"time"
"v2ray.com/core"
"v2ray.com/core/common"
"v2ray.com/core/common/buf"
"v2ray.com/core/common/cmdarg"
"v2ray.com/core/infra/conf"
"v2ray.com/core/infra/conf/serial"
"v2ray.com/core/main/confloader"
)
func init() {
@ -28,7 +21,7 @@ func init() {
cf := &conf.Config{}
for _, arg := range v {
newError("Reading config: ", arg).AtInfo().WriteToLog()
r, err := LoadArg(arg)
r, err := confloader.LoadConfig(arg)
common.Must(err)
c, err := serial.DecodeJSONConfig(r)
common.Must(err)
@ -43,57 +36,3 @@ func init() {
},
}))
}
func LoadArg(arg string) (out io.Reader, err error) {
var data []byte
if strings.HasPrefix(arg, "http://") || strings.HasPrefix(arg, "https://") {
data, err = FetchHTTPContent(arg)
} else if arg == "stdin:" {
data, err = ioutil.ReadAll(os.Stdin)
} else {
data, err = ioutil.ReadFile(arg)
}
if err != nil {
return
}
out = bytes.NewBuffer(data)
return
}
func FetchHTTPContent(target string) ([]byte, error) {
parsedTarget, err := url.Parse(target)
if err != nil {
return nil, newError("invalid URL: ", target).Base(err)
}
if s := strings.ToLower(parsedTarget.Scheme); s != "http" && s != "https" {
return nil, newError("invalid scheme: ", parsedTarget.Scheme)
}
client := &http.Client{
Timeout: 30 * time.Second,
}
resp, err := client.Do(&http.Request{
Method: "GET",
URL: parsedTarget,
Close: true,
})
if err != nil {
return nil, newError("failed to dial to ", target).Base(err)
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
return nil, newError("unexpected HTTP status code: ", resp.StatusCode)
}
content, err := buf.ReadAllToBytes(resp.Body)
if err != nil {
return nil, newError("failed to read HTTP response").Base(err)
}
return content, nil
}

21
main/main.go
View File

@ -22,7 +22,7 @@ var (
configFiles cmdarg.Arg // "Config file for V2Ray.", the option is customed type, parse in main
version = flag.Bool("version", false, "Show current version of V2Ray.")
test = flag.Bool("test", false, "Test config file only, without launching V2Ray server.")
format = flag.String("format", "", "Format of input file.")
format = flag.String("format", "json", "Format of input file.")
errNoConfig = newError("no valid config")
)
@ -31,23 +31,23 @@ func fileExists(file string) bool {
return err == nil && !info.IsDir()
}
func getConfigFilePath() cmdarg.Arg {
func getConfigFilePath() (cmdarg.Arg, error) {
if len(configFiles) > 0 {
return configFiles
return configFiles, nil
}
if workingDir, err := os.Getwd(); err == nil {
configFile := filepath.Join(workingDir, "config.json")
if fileExists(configFile) {
return cmdarg.Arg{configFile}
return cmdarg.Arg{configFile}, nil
}
}
if configFile := platform.GetConfigurationPath(); fileExists(configFile) {
return cmdarg.Arg{configFile}
return cmdarg.Arg{configFile}, nil
}
return configFiles
return cmdarg.Arg{"stdin:"}, nil
}
func GetConfigFormat() string {
@ -60,12 +60,9 @@ func GetConfigFormat() string {
}
func startV2Ray() (core.Server, error) {
configFiles := getConfigFilePath()
if len(configFiles) == 0 {
if *format == "" {
return nil, errNoConfig
}
configFiles = []string{"stdin:"}
configFiles, err := getConfigFilePath()
if err != nil {
return nil, err
}
config, err := core.LoadConfig(GetConfigFormat(), configFiles[0], configFiles)