mirror of https://github.com/linka-cloud/grpc.git
54 lines
1.3 KiB
Go
54 lines
1.3 KiB
Go
package client
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import (
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"crypto/tls"
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"fmt"
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"strings"
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"google.golang.org/grpc"
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"google.golang.org/grpc/credentials"
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"google.golang.org/grpc/resolver"
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"gitlab.bertha.cloud/partitio/lab/grpc/registry/noop"
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)
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type Client interface {
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Dial(name string, version string, opts ...grpc.DialOption) (*grpc.ClientConn, error)
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}
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func New(opts ...Option) (Client, error) {
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c := &client{opts: &options{}}
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for _, o := range opts {
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o(c.opts)
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}
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if c.opts.registry == nil {
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c.opts.registry = noop.New()
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}
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resolver.Register(c.opts.registry.ResolverBuilder())
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c.pool = newPool(DefaultPoolSize, DefaultPoolTTL, DefaultPoolMaxIdle, DefaultPoolMaxStreams)
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return c, nil
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}
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type client struct {
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pool *pool
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opts *options
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}
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func (c client) Dial(name, version string, opts ...grpc.DialOption) (*grpc.ClientConn, error) {
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if c.opts.tlsConfig == nil && c.opts.Secure() {
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c.opts.tlsConfig = &tls.Config{InsecureSkipVerify: true}
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}
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if c.opts.tlsConfig != nil {
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opts = append(opts, grpc.WithTransportCredentials(credentials.NewTLS(c.opts.tlsConfig)))
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}
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addr := fmt.Sprintf("%s:///%s", c.opts.registry.String(), name)
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if version != "" {
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addr = addr + ":" + strings.TrimSpace(version)
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}
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pc, err := c.pool.getConn(addr, opts...)
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if err != nil {
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return nil, err
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}
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return pc.ClientConn, nil
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}
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