mqtt/server/listeners/mock.go

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2022-08-15 23:06:20 +03:00
package listeners
import (
"fmt"
"net"
"sync"
"github.com/mochi-co/mqtt/server/listeners/auth"
"github.com/mochi-co/mqtt/server/system"
)
// MockCloser is a function signature which can be used in testing.
func MockCloser(id string) {}
// MockEstablisher is a function signature which can be used in testing.
func MockEstablisher(id string, c net.Conn, ac auth.Controller) error {
return nil
}
// MockListener is a mock listener for establishing client connections.
type MockListener struct {
sync.RWMutex
id string // the id of the listener.
address string // the network address the listener binds to.
Config *Config // configuration for the listener.
done chan bool // indicate the listener is done.
Serving bool // indicate the listener is serving.
Listening bool // indiciate the listener is listening.
ErrListen bool // throw an error on listen.
}
// NewMockListener returns a new instance of MockListener
func NewMockListener(id, address string) *MockListener {
return &MockListener{
id: id,
address: address,
done: make(chan bool),
}
}
// Serve serves the mock listener.
func (l *MockListener) Serve(establisher EstablishFunc) {
l.Lock()
l.Serving = true
l.Unlock()
for range l.done {
return
}
}
// Listen begins listening for incoming traffic.
func (l *MockListener) Listen(s *system.Info) error {
if l.ErrListen {
return fmt.Errorf("listen failure")
}
l.Lock()
l.Listening = true
l.Unlock()
return nil
}
// SetConfig sets the configuration values of the mock listener.
func (l *MockListener) SetConfig(config *Config) {
l.Lock()
l.Config = config
l.Unlock()
}
// ID returns the id of the mock listener.
func (l *MockListener) ID() string {
l.RLock()
id := l.id
l.RUnlock()
return id
}
// Close closes the mock listener.
func (l *MockListener) Close(closer CloseFunc) {
l.Lock()
defer l.Unlock()
l.Serving = false
closer(l.id)
close(l.done)
}
// IsServing indicates whether the mock listener is serving.
func (l *MockListener) IsServing() bool {
l.Lock()
defer l.Unlock()
return l.Serving
}
// IsListening indicates whether the mock listener is listening.
func (l *MockListener) IsListening() bool {
l.Lock()
defer l.Unlock()
return l.Listening
}