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Switch backend mutex to RW mutex

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This commit is contained in:
nxshock 2019-08-03 22:45:08 +05:00
parent 1e87bcac8b
commit 3185bda38e
1 changed files with 11 additions and 11 deletions
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22
internal/backends/memory/backend.go
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@ -18,7 +18,7 @@ type Backend struct {
rooms map[string]internal.Room
hostname string
validateUsernameFunc func(string) error // TODO: create ability to redefine validation func
mutex sync.Mutex // TODO: replace with RW mutex
mutex sync.RWMutex
}
type Token struct {
@ -88,8 +88,8 @@ func (backend *Backend) Sync(token string, request mSync.SyncRequest) (response
}
func (backend *Backend) GetUserByToken(token string) internal.User {
backend.mutex.Lock()
defer backend.mutex.Unlock()
backend.mutex.RLock()
defer backend.mutex.RUnlock()
for _, user := range backend.data {
for userToken := range user.(*User).Tokens {
@ -103,8 +103,8 @@ func (backend *Backend) GetUserByToken(token string) internal.User {
}
func (backend *Backend) GetRoomByID(id string) internal.Room {
backend.mutex.Lock()
defer backend.mutex.Unlock()
backend.mutex.RLock()
defer backend.mutex.RUnlock()
for roomID, room := range backend.rooms {
if roomID == id {
@ -116,8 +116,8 @@ func (backend *Backend) GetRoomByID(id string) internal.Room {
}
func (backend *Backend) GetUserByName(userName string) internal.User {
backend.mutex.Lock()
defer backend.mutex.Unlock()
backend.mutex.RLock()
defer backend.mutex.RUnlock()
if user, exists := backend.data[userName]; exists {
return user
@ -127,8 +127,8 @@ func (backend *Backend) GetUserByName(userName string) internal.User {
}
func (backend *Backend) PublicRooms(filter string) []internal.Room {
backend.mutex.Lock()
defer backend.mutex.Unlock()
backend.mutex.RLock()
defer backend.mutex.RUnlock()
var rooms []internal.Room
@ -147,8 +147,8 @@ func (backend *Backend) PublicRooms(filter string) []internal.Room {
}
func (backend *Backend) ValidateUsernameFunc() func(string) error {
backend.mutex.Lock()
defer backend.mutex.Unlock()
backend.mutex.RLock()
defer backend.mutex.RUnlock()
return backend.validateUsernameFunc
}