micw/server/server.go

package server

import (
	"context"
	"github.com/jackc/pgx/v5/pgxpool"
	"mic-wallet/server/config"
	"mic-wallet/server/core"
	"mic-wallet/server/repository"
	"net"
	"net/http"
)

type serverTask func() error

type Server struct {
	Cfg            *config.Processed
	DB             *pgxpool.Pool
	Repo           *repository.Repository
	BlocksCommiter *core.BlocksCommiter
	BlocksCreator  *core.BlocksCreator
	HttpListener   net.Listener
	HttpsListener  net.Listener
	GrpcListener   net.Listener
	Mux            *http.ServeMux
	ErrChan        chan error
}

func New(cfg *config.Processed) *Server {
	return &Server{
		Cfg:     cfg,
		ErrChan: make(chan error),
	}
}

func (s *Server) execTasks(ctx context.Context, tasks []serverTask) error {
	for _, task := range tasks {
		go func() {
			s.ErrChan <- task()
		}()
	}
	for {
		select {
		case err := <-s.ErrChan:
			if err != nil {
				return err
			}
		case <-ctx.Done():
			return ctx.Err()
		}
	}
}