bea3c01772
Given that we've taken on the resposibility of maintaining this forked package I've added it to the Syncthing organization. We still vendor it like an external package, because it's convenient to keep it as a fork of upstream to easier merge and file pull requests towards them.
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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