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70 lines
1.4 KiB
Go
70 lines
1.4 KiB
Go
package rpcx
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import (
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"log"
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"time"
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"zero/core/discov"
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"zero/rpcx/internal"
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"zero/rpcx/internal/auth"
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"google.golang.org/grpc"
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)
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type RpcClient struct {
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client internal.Client
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}
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func MustNewClient(c RpcClientConf, options ...internal.ClientOption) *RpcClient {
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cli, err := NewClient(c, options...)
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if err != nil {
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log.Fatal(err)
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}
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return cli
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}
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func NewClient(c RpcClientConf, options ...internal.ClientOption) (*RpcClient, error) {
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var opts []internal.ClientOption
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if c.HasCredential() {
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opts = append(opts, internal.WithDialOption(grpc.WithPerRPCCredentials(&auth.Credential{
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App: c.App,
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Token: c.Token,
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})))
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}
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if c.Timeout > 0 {
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opts = append(opts, internal.WithTimeout(time.Duration(c.Timeout)*time.Millisecond))
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}
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opts = append(opts, options...)
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var client internal.Client
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var err error
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if len(c.Server) > 0 {
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client, err = internal.NewDirectClient(c.Server, opts...)
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} else if err = c.Etcd.Validate(); err == nil {
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client, err = internal.NewRoundRobinRpcClient(c.Etcd.Hosts, c.Etcd.Key, opts...)
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}
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if err != nil {
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return nil, err
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}
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return &RpcClient{
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client: client,
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}, nil
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}
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func NewClientNoAuth(c discov.EtcdConf) (*RpcClient, error) {
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client, err := internal.NewRoundRobinRpcClient(c.Hosts, c.Key)
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if err != nil {
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return nil, err
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}
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return &RpcClient{
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client: client,
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}, nil
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}
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func (rc *RpcClient) Next() (*grpc.ClientConn, bool) {
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return rc.client.Next()
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}
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