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Improvement to handle with concurrence

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This commit is contained in:
Gustavo Trott 2023-05-25 10:15:02 -03:00
parent 105312e80b
commit b1cd7fca1d
2 changed files with 20 additions and 18 deletions
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16
bbb-graphql-middleware/internal/msgpatch/jsonpatch.go
View File

@ -14,14 +14,13 @@ var cacheDir = os.TempDir() + "/graphql-middleware-cache/"
var minLengthToPatch = 250 //250 chars
var minShrinkToUsePatch = 0.5 //50% percent
func getConnPath(bConn *common.BrowserConnection) string {
//Using SessionToken as path to reinforce security (once connectionId repeats on restart of middleware)
return cacheDir + bConn.Id
func getConnPath(connectionId string) string {
return cacheDir + connectionId
}
func getSubscriptionCacheDirPath(bConn *common.BrowserConnection, subscriptionId string, createIfNotExists bool) (string, error) {
//Using SessionToken as path to reinforce security (once connectionId repeats on restart of middleware)
connectionPatchCachePath := getConnPath(bConn) + "/" + bConn.SessionToken + "/"
connectionPatchCachePath := getConnPath(bConn.Id) + "/" + bConn.SessionToken + "/"
subscriptionCacheDirPath := connectionPatchCachePath + subscriptionId + "/"
_, err := os.Stat(subscriptionCacheDirPath)
if err != nil {
@ -39,8 +38,8 @@ func getSubscriptionCacheDirPath(bConn *common.BrowserConnection, subscriptionId
return subscriptionCacheDirPath, nil
}
func RemoveConnCacheDir(bConn *common.BrowserConnection) {
err := os.RemoveAll(getConnPath(bConn))
func RemoveConnCacheDir(connectionId string) {
err := os.RemoveAll(getConnPath(connectionId))
if err != nil {
if !os.IsNotExist(err) {
log.Errorf("Error while removing CLI patch cache directory:", err)
@ -48,7 +47,7 @@ func RemoveConnCacheDir(bConn *common.BrowserConnection) {
return
}
log.Infof("Directory of patch caches removed successfully for client %s.", bConn.Id)
log.Infof("Directory of patch caches removed successfully for client %s.", connectionId)
}
func RemoveConnSubscriptionCacheFile(bConn *common.BrowserConnection, subscritionId string) {
@ -67,6 +66,8 @@ func RemoveConnSubscriptionCacheFile(bConn *common.BrowserConnection, subscritio
}
func ClearAllCaches() {
info, err := os.Stat(cacheDir)
if err == nil && info.IsDir() {
filepath.Walk(cacheDir, func(path string, info os.FileInfo, err error) error {
if err != nil {
log.Errorf("prevent panic by handling failure accessing a path %q: %v\n", path, err)
@ -78,6 +79,7 @@ func ClearAllCaches() {
}
return nil
})
}
}
func PatchMessage(receivedMessage *map[string]interface{}, bConn *common.BrowserConnection) {

2
bbb-graphql-middleware/internal/websrv/connhandler.go
View File

@ -59,7 +59,7 @@ func ConnectionHandler(w http.ResponseWriter, r *http.Request) {
BrowserConnectionsMutex.Unlock()
defer func() {
msgpatch.RemoveConnCacheDir(BrowserConnections[browserConnectionId])
msgpatch.RemoveConnCacheDir(browserConnectionId)
BrowserConnectionsMutex.Lock()
delete(BrowserConnections, browserConnectionId)
BrowserConnectionsMutex.Unlock()