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server.go
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server.go
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package node
import (
"context"
"github.com/cr-mao/lorig/cluster"
"github.com/cr-mao/lorig/packet"
"github.com/cr-mao/lorig/transport"
"github.com/cr-mao/lorig/transport/grpc/internal/code"
"github.com/cr-mao/lorig/transport/grpc/internal/pb"
"github.com/cr-mao/lorig/transport/grpc/internal/server"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
func NewServer(provider transport.NodeProvider, opts *server.Options) (*server.Server, error) {
s, err := server.NewServer(opts)
if err != nil {
return nil, err
}
err = s.RegisterService(&pb.Node_ServiceDesc, &endpoint{provider: provider})
if err != nil {
return nil, err
}
return s, nil
}
type endpoint struct {
pb.UnimplementedNodeServer
provider transport.NodeProvider
}
// Trigger 触发事件
func (e *endpoint) Trigger(ctx context.Context, req *pb.TriggerRequest) (*pb.TriggerReply, error) {
miss, err := e.provider.Trigger(ctx, &transport.TriggerArgs{
GID: req.GID,
CID: req.CID,
UID: req.UID,
Event: cluster.Event(req.Event),
})
if err != nil {
if miss {
return nil, status.New(code.NotFoundSession, err.Error()).Err()
} else {
return nil, status.New(codes.Internal, err.Error()).Err()
}
}
return &pb.TriggerReply{}, nil
}
// Deliver 投递消息
func (e *endpoint) Deliver(ctx context.Context, req *pb.DeliverRequest) (*pb.DeliverReply, error) {
miss, err := e.provider.Deliver(ctx, &transport.DeliverArgs{
GID: req.GID,
NID: req.NID,
CID: req.CID,
UID: req.UID,
Message: &packet.Message{
Seq: req.Message.Seq,
Route: req.Message.Route,
Buffer: req.Message.Buffer,
},
})
if err != nil {
if miss {
return nil, status.New(code.NotFoundSession, err.Error()).Err()
} else {
return nil, status.New(codes.Internal, err.Error()).Err()
}
}
return &pb.DeliverReply{}, nil
}