mirror of
https://github.com/octoleo/syncthing.git
synced 2024-11-15 01:34:05 +00:00
142 lines
4.1 KiB
Go
142 lines
4.1 KiB
Go
// Copyright (c) 2014-2015 The Notify Authors. All rights reserved.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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// +build solaris
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package notify
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// #include <port.h>
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// #include <stdio.h>
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// #include <stdlib.h>
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// struct file_obj* newFo() { return (struct file_obj*) malloc(sizeof(struct file_obj)); }
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// port_event_t* newPe() { return (port_event_t*) malloc(sizeof(port_event_t)); }
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// uintptr_t conv(struct file_obj* fo) { return (uintptr_t) fo; }
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// struct file_obj* dconv(uintptr_t fo) { return (struct file_obj*) fo; }
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import "C"
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import (
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"syscall"
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"unsafe"
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)
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const (
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fileAccess = Event(C.FILE_ACCESS)
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fileModified = Event(C.FILE_MODIFIED)
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fileAttrib = Event(C.FILE_ATTRIB)
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fileDelete = Event(C.FILE_DELETE)
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fileRenameTo = Event(C.FILE_RENAME_TO)
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fileRenameFrom = Event(C.FILE_RENAME_FROM)
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fileTrunc = Event(C.FILE_TRUNC)
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fileNoFollow = Event(C.FILE_NOFOLLOW)
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unmounted = Event(C.UNMOUNTED)
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mountedOver = Event(C.MOUNTEDOVER)
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)
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// PortEvent is a notify's equivalent of port_event_t.
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type PortEvent struct {
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PortevEvents int // PortevEvents is an equivalent of portev_events.
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PortevSource uint8 // PortevSource is an equivalent of portev_source.
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PortevPad uint8 // Portevpad is an equivalent of portev_pad.
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PortevObject interface{} // PortevObject is an equivalent of portev_object.
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PortevUser uintptr // PortevUser is an equivalent of portev_user.
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}
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// FileObj is a notify's equivalent of file_obj.
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type FileObj struct {
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Atim syscall.Timespec // Atim is an equivalent of fo_atime.
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Mtim syscall.Timespec // Mtim is an equivalent of fo_mtime.
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Ctim syscall.Timespec // Ctim is an equivalent of fo_ctime.
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Pad [3]uintptr // Pad is an equivalent of fo_pad.
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Name string // Name is an equivalent of fo_name.
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}
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type cfen struct {
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p2pe map[string]*C.port_event_t
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p2fo map[string]*C.struct_file_obj
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}
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func newCfen() cfen {
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return cfen{
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p2pe: make(map[string]*C.port_event_t),
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p2fo: make(map[string]*C.struct_file_obj),
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}
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}
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func unix2C(sec int64, nsec int64) (C.time_t, C.long) {
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return C.time_t(sec), C.long(nsec)
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}
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func (c *cfen) portAssociate(p int, fo FileObj, e int) (err error) {
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cfo := C.newFo()
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cfo.fo_atime.tv_sec, cfo.fo_atime.tv_nsec = unix2C(fo.Atim.Unix())
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cfo.fo_mtime.tv_sec, cfo.fo_mtime.tv_nsec = unix2C(fo.Mtim.Unix())
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cfo.fo_ctime.tv_sec, cfo.fo_ctime.tv_nsec = unix2C(fo.Ctim.Unix())
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cfo.fo_name = C.CString(fo.Name)
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c.p2fo[fo.Name] = cfo
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_, err = C.port_associate(C.int(p), srcFile, C.conv(cfo), C.int(e), nil)
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return
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}
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func (c *cfen) portDissociate(port int, fo FileObj) (err error) {
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cfo, ok := c.p2fo[fo.Name]
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if !ok {
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return errNotWatched
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}
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_, err = C.port_dissociate(C.int(port), srcFile, C.conv(cfo))
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C.free(unsafe.Pointer(cfo.fo_name))
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C.free(unsafe.Pointer(cfo))
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delete(c.p2fo, fo.Name)
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return
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}
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const srcAlert = C.PORT_SOURCE_ALERT
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const srcFile = C.PORT_SOURCE_FILE
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const alertSet = C.PORT_ALERT_SET
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func cfo2fo(cfo *C.struct_file_obj) *FileObj {
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// Currently remaining attributes are not used.
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if cfo == nil {
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return nil
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}
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var fo FileObj
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fo.Name = C.GoString(cfo.fo_name)
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return &fo
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}
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func (c *cfen) portGet(port int, pe *PortEvent) (err error) {
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cpe := C.newPe()
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if _, err = C.port_get(C.int(port), cpe, nil); err != nil {
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C.free(unsafe.Pointer(cpe))
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return
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}
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pe.PortevEvents, pe.PortevSource, pe.PortevPad =
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int(cpe.portev_events), uint8(cpe.portev_source), uint8(cpe.portev_pad)
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pe.PortevObject = cfo2fo(C.dconv(cpe.portev_object))
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pe.PortevUser = uintptr(cpe.portev_user)
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C.free(unsafe.Pointer(cpe))
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return
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}
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func (c *cfen) portCreate() (int, error) {
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p, err := C.port_create()
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return int(p), err
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}
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func (c *cfen) portAlert(p int) (err error) {
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_, err = C.port_alert(C.int(p), alertSet, C.int(666), nil)
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return
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}
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func (c *cfen) free() {
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for i := range c.p2fo {
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C.free(unsafe.Pointer(c.p2fo[i].fo_name))
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C.free(unsafe.Pointer(c.p2fo[i]))
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}
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for i := range c.p2pe {
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C.free(unsafe.Pointer(c.p2pe[i]))
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}
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c.p2fo = make(map[string]*C.struct_file_obj)
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c.p2pe = make(map[string]*C.port_event_t)
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}
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