Nexus/pkg/directory/command_rpc.go

90 lines
2.3 KiB
Go

package directory
import (
"context"
"git.solsynth.dev/hypernet/nexus/pkg/proto"
"google.golang.org/grpc"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
"io"
"time"
)
type CommandRpcServer struct {
proto.UnimplementedCommandControllerServer
}
func (c CommandRpcServer) AddCommand(ctx context.Context, info *proto.CommandInfo) (*proto.AddCommandResponse, error) {
clientId, err := GetClientId(ctx)
if err != nil {
return nil, err
}
service := GetServiceInstanceByType(clientId)
if service == nil {
return nil, status.Errorf(codes.NotFound, "service not found")
}
AddCommand(info.GetId(), info.GetMethod(), info.GetTags(), service)
return &proto.AddCommandResponse{
IsSuccess: true,
}, nil
}
func (c CommandRpcServer) RemoveCommand(ctx context.Context, request *proto.CommandLookupRequest) (*proto.RemoveCommandResponse, error) {
RemoveCommand(request.GetId(), request.GetMethod())
return &proto.RemoveCommandResponse{
IsSuccess: true,
}, nil
}
func (c CommandRpcServer) SendCommand(ctx context.Context, argument *proto.CommandArgument) (*proto.CommandReturn, error) {
id := argument.GetCommand()
method := argument.GetMethod()
handler := GetCommandHandler(id, method)
if handler == nil {
return nil, status.Errorf(codes.NotFound, "command not found")
}
conn, err := handler.GetGrpcConn()
if err != nil {
return nil, status.Errorf(codes.Unavailable, "service unavailable")
}
contx, cancel := context.WithTimeout(context.Background(), time.Second*10)
defer cancel()
return proto.NewCommandControllerClient(conn).SendCommand(contx, argument)
}
func (c CommandRpcServer) SendStreamCommand(g grpc.BidiStreamingServer[proto.CommandArgument, proto.CommandReturn]) error {
for {
pck, err := g.Recv()
if err == io.EOF {
return nil
} else if err != nil {
return err
}
id := pck.GetCommand()
method := pck.GetMethod()
handler := GetCommandHandler(id, method)
if handler == nil {
return status.Errorf(codes.NotFound, "command not found")
}
conn, err := handler.GetGrpcConn()
contx, cancel := context.WithTimeout(context.Background(), time.Second*10)
result, _ := proto.NewCommandControllerClient(conn).SendCommand(contx, pck)
cancel()
_ = g.Send(&proto.CommandReturn{
Status: result.Status,
Payload: result.Payload,
})
}
}