// Version will return a map reflecting versions of each memcached server
func (client *Client) Version() (map[string]string, error) {
client.lock()
defer client.unlock()
var rst *C.broadcast_result_t
var n C.size_t
rv := make(map[string]string)
errCode := C.client_version(client._imp, &rst, &n)
defer C.client_destroy_broadcast_result(client._imp)
sr := unsafe.Sizeof(*rst)
for i := 0; i < int(n); i++ {
if rst.lines == nil || rst.line_lens == nil {
continue
}
host := C.GoString(rst.host)
version := C.GoStringN(*rst.lines, C.int(*rst.line_lens))
rv[host] = version
rst = (*C.broadcast_result_t)(unsafe.Pointer(uintptr(unsafe.Pointer(rst)) + sr))
}
if errCode != 0 {
return rv, networkError(errorMessage[errCode])
}
return rv, nil
}
// Quit will close the sockets to each memcached server
func (client *Client) Quit() error {
client.lock()
defer client.unlock()
errCode := C.client_quit(client._imp)
C.client_destroy_broadcast_result(client._imp)
if errCode == C.RET_CONN_POLL_ERR || errCode == C.RET_RECV_ERR {
return nil
}
return networkError(errorMessage[errCode])
}
// Stats will return a map reflecting stats map of each memcached server
func (client *Client) Stats() (map[string](map[string]string), error) {
client.lock()
defer client.unlock()
var rst *C.broadcast_result_t
var n C.size_t
errCode := C.client_stats(client._imp, &rst, &n)
defer C.client_destroy_broadcast_result(client._imp)
rv := make(map[string](map[string]string))
sr := unsafe.Sizeof(*rst)
for i := 0; i < int(n); i++ {
if rst.lines == nil || rst.line_lens == nil {
continue
}
host := C.GoString(rst.host)
nMetrics := int(rst.len)
rv[host] = make(map[string]string)
cLines := rst.lines
cLineLens := rst.line_lens
sLine := unsafe.Sizeof(*cLines)
sLineLen := unsafe.Sizeof(*cLineLens)
for j := 0; j < nMetrics; j++ {
metricLine := C.GoStringN(*cLines, C.int(*cLineLens))
kv := strings.SplitN(metricLine, " ", 2)
rv[host][kv[0]] = kv[1]
cLines = (**C.char)(unsafe.Pointer(uintptr(unsafe.Pointer(cLines)) + sLine))
cLineLens = (*C.size_t)(unsafe.Pointer(uintptr(unsafe.Pointer(cLineLens)) + sLineLen))
}
rst = (*C.broadcast_result_t)(unsafe.Pointer(uintptr(unsafe.Pointer(rst)) + sr))
}
if errCode != 0 {
return rv, networkError(errorMessage[errCode])
}
return rv, nil
}