try some more tsting

2025-12-21 11:44:51 +00:00 · 2018-02-26 07:41:28 +01:00
parent d1c18d901a
commit 2750defb63
17 changed files with 262 additions and 28 deletions
--- a/internal/fswatcher/event.go
+++ b/internal/fswatcher/event.go
@@ -0,0 +1,75 @@
+package fswatcher
+
+import (
+	"bytes"
+	"fmt"
+	"strconv"
+	"unsafe"
+
+	"github.com/dominicbreuker/pspy/internal/fswatcher/inotify"
+	"golang.org/x/sys/unix"
+)
+
+var InotifyEvents = map[uint32]string{
+	unix.IN_ACCESS:                          "ACCESS",
+	unix.IN_ATTRIB:                          "ATTRIB",
+	unix.IN_CLOSE_NOWRITE:                   "CLOSE_NOWRITE",
+	unix.IN_CLOSE_WRITE:                     "CLOSE_WRITE",
+	unix.IN_CREATE:                          "CREATE",
+	unix.IN_DELETE:                          "DELETE",
+	unix.IN_DELETE_SELF:                     "DELETE_SELF",
+	unix.IN_MODIFY:                          "MODIFY",
+	unix.IN_MOVED_FROM:                      "MOVED_FROM",
+	unix.IN_MOVED_TO:                        "MOVED_TO",
+	unix.IN_MOVE_SELF:                       "MOVE_SELF",
+	unix.IN_OPEN:                            "OPEN",
+	(unix.IN_ACCESS | unix.IN_ISDIR):        "ACCESS DIR",
+	(unix.IN_ATTRIB | unix.IN_ISDIR):        "ATTRIB DIR",
+	(unix.IN_CLOSE_NOWRITE | unix.IN_ISDIR): "CLOSE_NOWRITE DIR",
+	(unix.IN_CLOSE_WRITE | unix.IN_ISDIR):   "CLOSE_WRITE DIR",
+	(unix.IN_CREATE | unix.IN_ISDIR):        "CREATE DIR",
+	(unix.IN_DELETE | unix.IN_ISDIR):        "DELETE DIR",
+	(unix.IN_DELETE_SELF | unix.IN_ISDIR):   "DELETE_SELF DIR",
+	(unix.IN_MODIFY | unix.IN_ISDIR):        "MODIFY DIR",
+	(unix.IN_MOVED_FROM | unix.IN_ISDIR):    "MOVED_FROM DIR",
+	(unix.IN_MOVE_SELF | unix.IN_ISDIR):     "MODE_SELF DIR",
+	(unix.IN_OPEN | unix.IN_ISDIR):          "OPEN DIR",
+}
+
+func parseEvents(i *inotify.Inotify, dataCh chan []byte, eventCh chan string, errCh chan error) {
+	for buf := range dataCh {
+		n := len(buf)
+		if n < unix.SizeofInotifyEvent {
+			errCh <- fmt.Errorf("Inotify event parser: incomplete read: n=%d", n)
+			continue
+		}
+
+		var ptr uint32
+		var name string
+		for ptr <= uint32(n-unix.SizeofInotifyEvent) {
+			sys := (*unix.InotifyEvent)(unsafe.Pointer(&buf[ptr]))
+			ptr += unix.SizeofInotifyEvent
+
+			watcher, ok := i.Watchers[int(sys.Wd)]
+			if !ok {
+				errCh <- fmt.Errorf("Inotify event parser: unknown watcher ID: %d", sys.Wd)
+				continue
+			}
+			name = watcher.Dir + "/"
+			if sys.Len > 0 && len(buf) >= int(ptr+sys.Len) {
+				name += string(bytes.TrimRight(buf[ptr:ptr+sys.Len], "\x00"))
+				ptr += sys.Len
+			}
+
+			eventCh <- formatEvent(name, sys.Mask)
+		}
+	}
+}
+
+func formatEvent(name string, mask uint32) string {
+	op, ok := InotifyEvents[mask]
+	if !ok {
+		op = strconv.FormatInt(int64(mask), 2)
+	}
+	return fmt.Sprintf("%20s | %s", op, name)
+}