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var.go
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var.go
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package g
import (
"github.com/open-falcon/common/model"
"github.com/toolkits/net"
"github.com/toolkits/slice"
"os"
"strings"
"sync"
"time"
"log"
)
var Root string
func InitRootDir() {
var err error
Root, err = os.Getwd()
if err != nil {
log.Fatalln("getwd fail:", err)
}
}
var LocalIps []string
func InitLocalIps() {
var err error
LocalIps, err = net.IntranetIP()
if err != nil {
log.Fatalln("get intranet ip fail:", err)
}
}
var (
HbsClient *SingleConnRpcClient
TransferClient *SingleConnRpcClient
)
func InitRpcClients() {
if Config().Heartbeat.Enabled {
HbsClient = &SingleConnRpcClient{
RpcServer: Config().Heartbeat.Addr,
Timeout: time.Duration(Config().Heartbeat.Timeout) * time.Millisecond,
}
}
if Config().Transfer.Enabled {
TransferClient = &SingleConnRpcClient{
RpcServer: Config().Transfer.Addr,
Timeout: time.Duration(Config().Transfer.Timeout) * time.Millisecond,
}
}
}
func SendToTransfer(metrics []*model.MetricValue) {
if len(metrics) == 0 {
return
}
debug := Config().Debug
if debug {
log.Printf("=> <Total=%d> %v\n", len(metrics), metrics[0])
}
var resp model.TransferResponse
err := TransferClient.Call("Transfer.Update", metrics, &resp)
if err != nil {
log.Println("call Transfer.Update fail: ", err)
}
if debug {
log.Println("<=", &resp)
}
}
var (
reportPorts []int64
reportPortsLock = new(sync.RWMutex)
)
func ReportPorts() []int64 {
reportPortsLock.RLock()
defer reportPortsLock.RUnlock()
return reportPorts
}
func SetReportPorts(ports []int64) {
reportPortsLock.Lock()
defer reportPortsLock.Unlock()
reportPorts = ports
}
var (
duPaths []string
duPathsLock = new(sync.RWMutex)
)
func DuPaths() []string {
duPathsLock.RLock()
defer duPathsLock.RUnlock()
return duPaths
}
func SetDuPaths(paths []string) {
duPathsLock.Lock()
defer duPathsLock.Unlock()
duPaths = paths
}
var (
// tags => {1=>name, 2=>cmdline}
// e.g. 'name=falcon-agent'=>{1=>falcon-agent}
// e.g. 'cmdline=xx'=>{2=>xx}
reportProcs map[string]map[int]string
reportProcsLock = new(sync.RWMutex)
)
func ReportProcs() map[string]map[int]string {
reportProcsLock.RLock()
defer reportProcsLock.RUnlock()
return reportProcs
}
func SetReportProcs(procs map[string]map[int]string) {
reportProcsLock.Lock()
defer reportProcsLock.Unlock()
reportProcs = procs
}
var (
ips []string
ipsLock = new(sync.Mutex)
)
func TrustableIps() []string {
ipsLock.Lock()
defer ipsLock.Unlock()
return ips
}
func SetTrustableIps(ipStr string) {
arr := strings.Split(ipStr, ",")
ipsLock.Lock()
defer ipsLock.Unlock()
ips = arr
}
func IsTrustable(remoteAddr string) bool {
ip := remoteAddr
idx := strings.LastIndex(remoteAddr, ":")
if idx > 0 {
ip = remoteAddr[0:idx]
}
if ip == "127.0.0.1" {
return true
}
return slice.ContainsString(TrustableIps(), ip)
}