GRPC-сервер и утилиты для работы со стримами в фреймворке Compogo.
Предоставляет:
- GRPC-сервер с настройками keepalive
- Интеграцию с Runner для управления жизненным циклом
- Утилиты для работы с серверными, клиентскими и двунаправленными стримами
go get github.com/Compogo/grpc_serverpackage main
import (
"github.com/Compogo/compogo"
"github.com/Compogo/grpc_server"
)
func main() {
app := compogo.NewApp("myapp",
compogo.WithComponents(&grpc_server.Component),
)
app.AddComponents(&compogo.Component{
Name: "my_service",
Init: compogo.StepFunc(func(container compogo.Container) error {
return container.Invoke(func(server *grpc_server.Server) error {
// Регистрация вашего GRPC-сервиса
service.RegisterMyServiceServer(server.GetGRPC(), &MyService{})
return nil
})
}),
})
if err := app.Serve(); err != nil {
panic(err)
}
}# Сетевой интерфейс
--server.grpc.interface=0.0.0.0
# Порт
--server.grpc.port=9090
# Максимальное количество одновременных стримов
--server.grpc.max_concurrent_streams=1000
# Keepalive настройки
--server.grpc.min_time=1s
--server.grpc.keepalive.time=10s
--server.grpc.keepalive.timeout=20s
--server.grpc.permit_without_stream=trueОтправка сообщений клиенту:
type MyService struct {
service.UnimplementedMyServiceServer
}
func (s *MyService) Subscribe(req *emptypb.Empty, stream grpc.ServerStreamingServer[MyResponse]) error {
client := stream.NewClientServerStreamingServer[MyResponse](stream, 10)
// Отправка сообщений
for i := 0; i < 10; i++ {
if err := client.Send(&MyResponse{Data: "message"}); err != nil {
return err
}
}
return client.Process(ctx)
}Получение сообщений от сервера:
func (s *MyService) Subscribe(ctx context.Context, callback func(ctx context.Context, *MyResponse) error) error {
stream, err := s.client.Subscribe(ctx, &emptypb.Empty{})
if err != nil {
return err
}
client := stream.NewClientServerStreamingClient[MyResponse](stream, callback, logger)
return client.Process(ctx)
}Одновременная отправка и получение сообщений:
// На сервере
func (s *MyService) Chat(stream grpc.BidiStreamingServer[ChatRequest, ChatResponse]) error {
server := stream.NewClientBidiStreamingServer[ChatRequest, ChatResponse](
stream,
func(ctx context.Context, req *ChatRequest) error {
// Обработка входящих сообщений
return nil
},
logger,
10,
)
// Отправка сообщений
server.Send(&ChatResponse{Message: "Hello"})
return server.Process(ctx)
}
// На клиенте
func (c *Client) Chat(ctx context.Context, callback func(ctx context.Context, *ChatResponse) error) error {
stream, err := c.client.Chat(ctx)
if err != nil {
return err
}
client := stream.NewClientBidiStreamingServer[ChatRequest, ChatResponse](
stream,
callback,
logger,
10,
)
// Отправка сообщений
client.Send(&ChatRequest{Message: "Hello"})
return client.Process(ctx)
}- Compogo — основной фреймворк
- Compogo Runner — управление процессами
- google.golang.org/grpc — GRPC библиотека
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