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authorWim <wim@42.be>2017-03-23 23:28:55 +0100
committerWim <wim@42.be>2017-03-23 23:28:55 +0100
commit2f68519b3c6b5a70028882c99afeb76f291b7725 (patch)
tree2555d0b8b81491f136a176a58e2618a25edc8edc /vendor/github.com/google/gops/internal/internal.go
parentefe641f202653dfd3bc7bde221188e098db3def7 (diff)
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Add gops agentv0.10.2-dev
Diffstat (limited to 'vendor/github.com/google/gops/internal/internal.go')
-rw-r--r--vendor/github.com/google/gops/internal/internal.go52
1 files changed, 52 insertions, 0 deletions
diff --git a/vendor/github.com/google/gops/internal/internal.go b/vendor/github.com/google/gops/internal/internal.go
new file mode 100644
index 00000000..13828220
--- /dev/null
+++ b/vendor/github.com/google/gops/internal/internal.go
@@ -0,0 +1,52 @@
+package internal
+
+import (
+ "errors"
+ "fmt"
+ "io/ioutil"
+ "os"
+ "os/user"
+ "path/filepath"
+ "runtime"
+ "strings"
+)
+
+func ConfigDir() (string, error) {
+ if runtime.GOOS == "windows" {
+ return filepath.Join(os.Getenv("APPDATA"), "gops"), nil
+ }
+ homeDir := guessUnixHomeDir()
+ if homeDir == "" {
+ return "", errors.New("unable to get current user home directory: os/user lookup failed; $HOME is empty")
+ }
+ return filepath.Join(homeDir, ".config", "gops"), nil
+}
+
+func guessUnixHomeDir() string {
+ usr, err := user.Current()
+ if err == nil {
+ return usr.HomeDir
+ }
+ return os.Getenv("HOME")
+}
+
+func PIDFile(pid int) (string, error) {
+ gopsdir, err := ConfigDir()
+ if err != nil {
+ return "", err
+ }
+ return fmt.Sprintf("%s/%d", gopsdir, pid), nil
+}
+
+func GetPort(pid int) (string, error) {
+ portfile, err := PIDFile(pid)
+ if err != nil {
+ return "", err
+ }
+ b, err := ioutil.ReadFile(portfile)
+ if err != nil {
+ return "", err
+ }
+ port := strings.TrimSpace(string(b))
+ return port, nil
+}