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|
package grpc
import (
"math"
"os"
"strings"
"time"
"github.com/spiral/errors"
"github.com/spiral/roadrunner/v2/pkg/pool"
)
type Config struct {
Listen string `mapstructure:"listen"`
Proto string `mapstructure:"proto"`
TLS *TLS
// Env is environment variables passed to the http pool
Env map[string]string `mapstructure:"env"`
GrpcPool *pool.Config `mapstructure:"pool"`
MaxSendMsgSize int64 `mapstructure:"max_send_msg_size"`
MaxRecvMsgSize int64 `mapstructure:"max_recv_msg_size"`
MaxConnectionIdle time.Duration `mapstructure:"max_connection_idle"`
MaxConnectionAge time.Duration `mapstructure:"max_connection_age"`
MaxConnectionAgeGrace time.Duration `mapstructure:"max_connection_age_grace"`
MaxConcurrentStreams int64 `mapstructure:"max_concurrent_streams"`
PingTime time.Duration `mapstructure:"ping_time"`
Timeout time.Duration `mapstructure:"timeout"`
}
type TLS struct {
Key string
Cert string
RootCA string
}
func (c *Config) InitDefaults() error { //nolint:gocognit
const op = errors.Op("grpc_plugin_config")
if c.GrpcPool == nil {
c.GrpcPool = &pool.Config{}
}
c.GrpcPool.InitDefaults()
if !strings.Contains(c.Listen, ":") {
return errors.E(op, errors.Errorf("mailformed grpc grpc address, provided: %s", c.Listen))
}
if c.EnableTLS() {
if _, err := os.Stat(c.TLS.Key); err != nil {
if os.IsNotExist(err) {
return errors.E(op, errors.Errorf("key file '%s' does not exists", c.TLS.Key))
}
return errors.E(op, err)
}
if _, err := os.Stat(c.TLS.Cert); err != nil {
if os.IsNotExist(err) {
return errors.E(op, errors.Errorf("cert file '%s' does not exists", c.TLS.Cert))
}
return errors.E(op, err)
}
// RootCA is optional, but if provided - check it
if c.TLS.RootCA != "" {
if _, err := os.Stat(c.TLS.RootCA); err != nil {
if os.IsNotExist(err) {
return errors.E(op, errors.Errorf("root ca path provided, but key file '%s' does not exists", c.TLS.RootCA))
}
return errors.E(op, err)
}
}
}
// used to set max time
infinity := time.Duration(math.MaxInt64)
if c.PingTime == 0 {
c.PingTime = time.Hour * 2
}
if c.Timeout == 0 {
c.Timeout = time.Second * 20
}
if c.MaxConcurrentStreams == 0 {
c.MaxConcurrentStreams = 10
}
// set default
if c.MaxConnectionAge == 0 {
c.MaxConnectionAge = infinity
}
// set default
if c.MaxConnectionIdle == 0 {
c.MaxConnectionIdle = infinity
}
if c.MaxConnectionAgeGrace == 0 {
c.MaxConnectionAgeGrace = infinity
}
if c.MaxRecvMsgSize == 0 {
c.MaxRecvMsgSize = 1024 * 1024 * 50
} else {
c.MaxRecvMsgSize = 1024 * 1024 * c.MaxRecvMsgSize
}
if c.MaxSendMsgSize == 0 {
c.MaxSendMsgSize = 1024 * 1024 * 50
} else {
c.MaxSendMsgSize = 1024 * 1024 * c.MaxSendMsgSize
}
return nil
}
func (c *Config) EnableTLS() bool {
if c.TLS != nil {
return (c.TLS.RootCA != "" && c.TLS.Key != "" && c.TLS.Cert != "") || (c.TLS.Key != "" && c.TLS.Cert != "")
}
return false
}
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