func (client *Client) Stats() (*api.SystemStatsResponse, error) {
request := api.SimpleRequest{}
request.Sign(client.AccessKeyName, client.AccessKey)
var response api.SystemStatsResponse
err := client.request("stats", request, &response)
if err != nil {
return nil, err
}
if !response.Validate(client.AccessKey) {
return nil, errors.New("Could not validate signature")
}
return &response, nil
}
// systemStats is json endpoint used to retrieve overall statistics. The token
// used to request the endpoint must have write priviledges.
func systemStats(w http.ResponseWriter, r *http.Request) {
var (
request api.SimpleRequest
memStats runtime.MemStats
)
err := readRequest(r, &request)
if err != nil {
sendError(w, "Could not get stats")
return
}
accessKey, _ := mailbox.FindKeyByName(request.AccessKeyName)
if accessKey == nil {
sendError(w, "Access key is invalid")
return
}
if !accessKey.CanAdmin() {
sendError(w, "Not allowed to get statistics")
return
}
if !request.Validate(accessKey.Secret) {
sendError(w, "Could not validate signature")
return
}
stats, err := mailbox.Stats()
if err != nil {
sendError(w, err.Error())
return
}
dbVersion, err := mailbox.GetDBVersion()
if err != nil {
sendError(w, err.Error())
return
}
var fileCount int64 = 0
var filesSize int64 = 0
files, _ := ioutil.ReadDir(filesPath())
for _, f := range files {
fileCount++
filesSize += f.Size()
}
runtime.ReadMemStats(&memStats)
response := api.SystemStatsResponse{
TotalMailboxes: stats.MailboxCount,
PendingMessages: stats.PendingMessages,
MessageCount: stats.MessageCount,
ConnectedClients: int64(len(pollingChannels)),
DBVersion: dbVersion,
CPUCount: int64(runtime.NumCPU()),
Threads: int64(runtime.NumGoroutine()),
MemoryAllocated: memStats.Alloc,
Lookups: memStats.Lookups,
NextGC: memStats.NextGC,
FileStoreSize: filesSize,
FileStoreCount: fileCount,
}
response.Sign(accessKey.Name, accessKey.Secret)
writeResponse(&w, response)
}