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server.go
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server.go
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package main
import (
"io"
"log"
"net/http"
"sync"
"time"
"github.com/go-chi/chi/v5"
"github.com/sspencer/mock/internal/colorlog"
"github.com/sspencer/mock/internal/data"
)
// MockServer is the http server struct
type MockServer struct {
*http.Server
logger colorlog.LoggerFunc
addr string
sync.Mutex
}
// newServer creates a http MockServer running on given port with handlers based on given routes.
func newServer(cfg config) *MockServer {
logger := colorlog.New(cfg.logRequest, cfg.logResponse)
notImplemented := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusNotImplemented)
})
return &MockServer{
Server: &http.Server{
Addr: cfg.addr,
Handler: notImplemented,
ReadHeaderTimeout: 5 * time.Second,
},
logger: logger,
addr: cfg.addr,
}
}
// serve <stdin> or piped file as mock file input
func newMockReader(cfg config, reader io.Reader) *MockServer {
routes, err := data.GetEndpointsFromReader(reader)
if err != nil {
log.Fatalln(err.Error())
}
server := newServer(cfg)
server.loadRoutes(routes)
return server
}
// serve all files specified on command line as mock files
func newMockFile(cfg config, fn string) *MockServer {
server := newServer(cfg)
server.watchFile(fn)
return server
}
// loadRoutes reloads all routes handled by the MockServer
func (s *MockServer) loadRoutes(endpoints []*data.Endpoint) {
s.Lock()
defer s.Unlock()
mux := chi.NewRouter()
mux.Use(s.ColorLogger())
mux.MethodNotAllowed(methodNotAllowed)
mux.NotFound(methodNotFound)
log.Printf("Updating MockServer with new routes on %s\n", s.addr)
for _, e := range endpoints {
log.Printf(" adding method %-8s %s\n", e.Method, e.Path)
mux.MethodFunc(e.Method, e.Path, e.Handle())
}
log.Println("--------------------------------")
s.Handler = mux
}