func Invoke(this *ole.IDispatch, dispid int, riid *ole.GUID, lcid int, flags int16, dispparams *ole.DISPPARAMS, result *ole.VARIANT, pexcepinfo *ole.EXCEPINFO, nerr *uint) uintptr {
switch dispid {
case 0:
log.Println("DataArrival")
winsock := (*EventReceiver)(unsafe.Pointer(this)).host
var data ole.VARIANT
ole.VariantInit(&data)
oleutil.CallMethod(winsock, "GetData", &data)
array := (*ole.SAFEARRAY)(unsafe.Pointer(uintptr(data.Val)))
s := ole.BytePtrToString((*byte)(unsafe.Pointer(uintptr(array.PvData))))
println()
println(s)
println()
case 1:
log.Println("Connected")
winsock := (*EventReceiver)(unsafe.Pointer(this)).host
oleutil.CallMethod(winsock, "SendData", "GET / HTTP/1.0\r\n\r\n")
case 3:
log.Println("SendProgress")
case 4:
log.Println("SendComplete")
case 5:
log.Println("Close")
this.Release()
case 6:
log.Fatal("Error")
default:
log.Println(dispid)
}
return ole.E_NOTIMPL
}
func main() {
ole.CoInitialize(0)
unknown, _ := oleutil.CreateObject("Microsoft.XMLHTTP")
xmlhttp, _ := unknown.QueryInterface(ole.IID_IDispatch)
oleutil.CallMethod(xmlhttp, "open", "GET", "http://rss.slashdot.org/Slashdot/slashdot", false)
oleutil.CallMethod(xmlhttp, "send", nil)
state := -1
for state != 4 {
state = int(oleutil.MustGetProperty(xmlhttp, "readyState").Val)
time.Sleep(10000000)
}
responseXml := oleutil.MustGetProperty(xmlhttp, "responseXml").ToIDispatch()
items := oleutil.MustCallMethod(responseXml, "selectNodes", "rdf:RDF/item").ToIDispatch()
length := int(oleutil.MustGetProperty(items, "length").Val)
for n := 0; n < length; n++ {
item := oleutil.MustGetProperty(items, "item", n).ToIDispatch()
title := oleutil.MustCallMethod(item, "selectSingleNode", "title").ToIDispatch()
println(oleutil.MustGetProperty(title, "text").ToString())
link := oleutil.MustCallMethod(item, "selectSingleNode", "link").ToIDispatch()
println(" " + oleutil.MustGetProperty(link, "text").ToString())
title.Release()
link.Release()
item.Release()
}
items.Release()
xmlhttp.Release()
}
func getFriendlyName(portname string) string {
// this method panics a lot and i'm not sure why, just catch
// the panic and return empty list
defer func() {
if e := recover(); e != nil {
// e is the interface{} typed-value we passed to panic()
log.Println("Got panic: ", e) // Prints "Whoops: boom!"
}
}()
var friendlyName string
// init COM, oh yeah
ole.CoInitialize(0)
defer ole.CoUninitialize()
unknown, _ := oleutil.CreateObject("WbemScripting.SWbemLocator")
defer unknown.Release()
wmi, _ := unknown.QueryInterface(ole.IID_IDispatch)
defer wmi.Release()
// service is a SWbemServices
serviceRaw, _ := oleutil.CallMethod(wmi, "ConnectServer")
service := serviceRaw.ToIDispatch()
defer service.Release()
// result is a SWBemObjectSet
//pname := syscall.StringToUTF16("SELECT * FROM Win32_PnPEntity where Name like '%" + "COM35" + "%'")
pname := "SELECT * FROM Win32_PnPEntity where Name like '%" + portname + "%'"
resultRaw, _ := oleutil.CallMethod(service, "ExecQuery", pname)
result := resultRaw.ToIDispatch()
defer result.Release()
countVar, _ := oleutil.GetProperty(result, "Count")
count := int(countVar.Val)
for i := 0; i < count; i++ {
// item is a SWbemObject, but really a Win32_Process
itemRaw, _ := oleutil.CallMethod(result, "ItemIndex", i)
item := itemRaw.ToIDispatch()
defer item.Release()
asString, _ := oleutil.GetProperty(item, "Name")
println(asString.ToString())
friendlyName = asString.ToString()
}
return friendlyName
}
func main() {
ole.CoInitialize(0)
unknown, _ := oleutil.CreateObject("Agent.Control.1")
agent, _ := unknown.QueryInterface(ole.IID_IDispatch)
oleutil.PutProperty(agent, "Connected", true)
characters := oleutil.MustGetProperty(agent, "Characters").ToIDispatch()
oleutil.CallMethod(characters, "Load", "Merlin", "c:\\windows\\msagent\\chars\\Merlin.acs")
character := oleutil.MustCallMethod(characters, "Character", "Merlin").ToIDispatch()
oleutil.CallMethod(character, "Show")
oleutil.CallMethod(character, "Speak", "こんにちわ世界")
time.Sleep(4000000000)
}
func QueryWmiFields(query string, fields []string) ([]map[string]string, error) {
if len(fields) == 1 && fields[0] == "*" {
logging.Errorf("`select * ` not supported, need to address fields explicitly.")
return nil, fmt.Errorf("`select * ` not supported, need to address fields explicitly.")
}
resultRaw, err := oleutil.CallMethod(wmi_service, "ExecQuery", query)
if err != nil {
logging.Error("ExecQuery Failed: ", err)
return nil, fmt.Errorf("ExecQuery Failed: %v", err)
}
result := resultRaw.ToIDispatch()
defer result.Release()
countVar, err := oleutil.GetProperty(result, "Count")
if err != nil {
logging.Errorf("Get result count Failed: %v", err)
return nil, fmt.Errorf("Get result count Failed: %v", err)
}
count := int(countVar.Val)
resultMap := []map[string]string{}
for i := 0; i < count; i++ {
itemMap := make(map[string]string)
itemRaw, err := oleutil.CallMethod(result, "ItemIndex", i)
if err != nil {
return nil, fmt.Errorf("ItemIndex Failed: %v", err)
}
item := itemRaw.ToIDispatch()
defer item.Release()
for _, field := range fields {
asString, err := oleutil.GetProperty(item, field)
if err == nil {
itemMap[field] = fmt.Sprintf("%v", asString.Value())
} else {
fmt.Println(err)
}
}
resultMap = append(resultMap, itemMap)
logging.Tracef("wmi query result: %+v", itemMap)
}
logging.Tracef("wmi query result count: %d", len(resultMap))
return resultMap, nil
}
func (c *win_wmi_collector) query(query string, fields []string) ([]map[string]string, error) {
if c.service != nil {
resultRaw, err := oleutil.CallMethod(c.service, "ExecQuery", query)
if err != nil {
logging.Error("ExecQuery Failed: ", err)
return nil, fmt.Errorf("ExecQuery Failed: %v", err)
}
result := resultRaw.ToIDispatch()
defer result.Release()
countVar, err := oleutil.GetProperty(result, "Count")
if err != nil {
logging.Error("Get result count Failed: ", err)
return nil, fmt.Errorf("Get result count Failed: %v", err)
}
count := int(countVar.Val)
resultMap := []map[string]string{}
for i := 0; i < count; i++ {
itemMap := make(map[string]string)
itemRaw, err := oleutil.CallMethod(result, "ItemIndex", i)
if err != nil {
return nil, fmt.Errorf("ItemIndex Failed: %v", err)
}
item := itemRaw.ToIDispatch()
defer item.Release()
for _, field := range fields {
asString, err := oleutil.GetProperty(item, field)
if err == nil {
itemMap[field] = fmt.Sprintf("%v", asString.Value())
} else {
logging.Errorf("cannot find field in SWbemObject: %v", err)
}
}
resultMap = append(resultMap, itemMap)
logging.Tracef("wmi query result: %+v", itemMap)
}
logging.Tracef("wmi query result count: %d", len(resultMap))
return resultMap, nil
} else {
logging.Error("win_wmi_collector c.service is nil")
return nil, fmt.Errorf("win_wmi_collector c.service is nil")
}
}
func (pt *PowerPoint) open(inFile string) (err error) {
ole.CoInitialize(0)
var unknown *ole.IUnknown
unknown, err = oleutil.CreateObject("PowerPoint.Application")
if err != nil {
return
}
pt.app, err = unknown.QueryInterface(ole.IID_IDispatch)
if err != nil {
return
}
_, err = oleutil.PutProperty(pt.app, "DisplayAlerts", 1)
if err != nil {
return
}
pt.presentations, err = oleutil.GetProperty(pt.app, "Presentations")
if err != nil {
return
}
pt.ppt, err = oleutil.CallMethod(pt.presentations.ToIDispatch(), "Open", inFile, -1, 0, 0)
if err != nil {
return
}
return
}
func main() {
ole.CoInitialize(0)
unknown, _ := oleutil.CreateObject("{248DD896-BB45-11CF-9ABC-0080C7E7B78D}")
winsock, _ := unknown.QueryInterface(ole.IID_IDispatch)
iid, _ := ole.CLSIDFromString("{248DD893-BB45-11CF-9ABC-0080C7E7B78D}")
dest := &EventReceiver{}
dest.lpVtbl = &EventReceiverVtbl{}
dest.lpVtbl.pQueryInterface = syscall.NewCallback(QueryInterface)
dest.lpVtbl.pAddRef = syscall.NewCallback(AddRef)
dest.lpVtbl.pRelease = syscall.NewCallback(Release)
dest.lpVtbl.pGetTypeInfoCount = syscall.NewCallback(GetTypeInfoCount)
dest.lpVtbl.pGetTypeInfo = syscall.NewCallback(GetTypeInfo)
dest.lpVtbl.pGetIDsOfNames = syscall.NewCallback(GetIDsOfNames)
dest.lpVtbl.pInvoke = syscall.NewCallback(Invoke)
dest.host = winsock
oleutil.ConnectObject(winsock, iid, (*ole.IUnknown)(unsafe.Pointer(dest)))
_, err := oleutil.CallMethod(winsock, "Connect", "127.0.0.1", 80)
if err != nil {
log.Fatal(err)
}
var m ole.Msg
for dest.ref != 0 {
ole.GetMessage(&m, 0, 0, 0)
ole.DispatchMessage(&m)
}
}
func (rc *AdodbRows) Close() error {
_, err := oleutil.CallMethod(rc.rc, "Close")
if err != nil {
return err
}
return nil
}
func (tx *AdodbTx) Commit() error {
_, err := oleutil.CallMethod(tx.c.db, "CommitTrans")
if err != nil {
return err
}
return nil
}
func (tx *AdodbTx) Rollback() error {
_, err := oleutil.CallMethod(tx.c.db, "Rollback")
if err != nil {
return err
}
return nil
}
func (c *AdodbConn) Begin() (driver.Tx, error) {
_, err := oleutil.CallMethod(c.db, "BeginTrans")
if err != nil {
return nil, err
}
return &AdodbTx{c}, nil
}
func (c *win_wmi_collector) connect() (err error) {
// use COINIT_MULTITHREADED model
ole.CoInitializeEx(0, ole.COINIT_MULTITHREADED)
unknown, err := oleutil.CreateObject("WbemScripting.SWbemLocator")
if err != nil {
logging.Critical("oleutil.CreateObject Failed: ", err)
return err
}
defer unknown.Release()
wmi, err := unknown.QueryInterface(ole.IID_IDispatch)
if err != nil {
logging.Critical("QueryInterface Failed: ", err)
return err
}
defer wmi.Release()
serviceRaw, err := oleutil.CallMethod(wmi, "ConnectServer")
if err != nil {
logging.Critical("Connect to Server Failed", err)
return err
}
c.service = serviceRaw.ToIDispatch()
return nil
}
func (c *AdodbConn) Close() error {
_, err := oleutil.CallMethod(c.db, "Close")
if err != nil {
return err
}
c.db = nil
ole.CoUninitialize()
return nil
}
func (s *AdodbStmt) Query(args []driver.Value) (driver.Rows, error) {
if err := s.bind(args); err != nil {
return nil, err
}
rc, err := oleutil.CallMethod(s.s, "Execute")
if err != nil {
return nil, err
}
return &AdodbRows{s, rc.ToIDispatch(), -1, nil}, nil
}
func (s *AdodbStmt) Exec(args []driver.Value) (driver.Result, error) {
if err := s.bind(args); err != nil {
return nil, err
}
_, err := oleutil.CallMethod(s.s, "Execute")
if err != nil {
return nil, err
}
return driver.ResultNoRows, nil
}
func main() {
ole.CoInitialize(0)
unknown, _ := oleutil.CreateObject("Excel.Application")
excel, _ := unknown.QueryInterface(ole.IID_IDispatch)
oleutil.PutProperty(excel, "Visible", true)
workbooks := oleutil.MustGetProperty(excel, "Workbooks").ToIDispatch()
workbook := oleutil.MustCallMethod(workbooks, "Add", nil).ToIDispatch()
worksheet := oleutil.MustGetProperty(workbook, "Worksheets", 1).ToIDispatch()
cell := oleutil.MustGetProperty(worksheet, "Cells", 1, 1).ToIDispatch()
oleutil.PutProperty(cell, "Value", 12345)
time.Sleep(2000000000)
oleutil.PutProperty(workbook, "Saved", true)
oleutil.CallMethod(workbook, "Close", false)
oleutil.CallMethod(excel, "Quit")
excel.Release()
ole.CoUninitialize()
}
func (s *AdodbStmt) bind(args []driver.Value) error {
if s.b != nil {
for i, v := range args {
var b string = "?"
if len(s.b) < i {
b = s.b[i]
}
unknown, err := oleutil.CallMethod(s.s, "CreateParameter", b, 12, 1)
if err != nil {
return err
}
param := unknown.ToIDispatch()
defer param.Release()
_, err = oleutil.PutProperty(param, "Value", v)
if err != nil {
return err
}
_, err = oleutil.CallMethod(s.ps, "Append", param)
if err != nil {
return err
}
}
} else {
for i, v := range args {
var varval ole.VARIANT
varval.VT = ole.VT_I4
varval.Val = int64(i)
val, err := oleutil.CallMethod(s.ps, "Item", &varval)
if err != nil {
return err
}
item := val.ToIDispatch()
defer item.Release()
_, err = oleutil.PutProperty(item, "Value", v)
if err != nil {
return err
}
}
}
return nil
}
func createMdb(f string) error {
unk, err := oleutil.CreateObject("ADOX.Catalog")
if err != nil {
return err
}
cat, err := unk.QueryInterface(ole.IID_IDispatch)
if err != nil {
return err
}
_, err = oleutil.CallMethod(cat, "Create", "Provider=Microsoft.Jet.OLEDB.4.0;Data Source="+f+";")
if err != nil {
return err
}
return nil
}
func (s *AdodbStmt) NumInput() int {
if s.b != nil {
return len(s.b)
}
_, err := oleutil.CallMethod(s.ps, "Refresh")
if err != nil {
return -1
}
val, err := oleutil.GetProperty(s.ps, "Count")
if err != nil {
return -1
}
c := int(val.Val)
return c
}
func (d *AdodbDriver) Open(dsn string) (driver.Conn, error) {
ole.CoInitialize(0)
unknown, err := oleutil.CreateObject("ADODB.Connection")
if err != nil {
return nil, err
}
db, err := unknown.QueryInterface(ole.IID_IDispatch)
if err != nil {
return nil, err
}
_, err = oleutil.CallMethod(db, "Open", dsn)
if err != nil {
return nil, err
}
return &AdodbConn{db}, nil
}
func main() {
ole.CoInitialize(0)
unknown, _ := oleutil.CreateObject("InternetExplorer.Application")
ie, _ := unknown.QueryInterface(ole.IID_IDispatch)
oleutil.CallMethod(ie, "Navigate", "http://www.google.com")
oleutil.PutProperty(ie, "Visible", true)
for {
if oleutil.MustGetProperty(ie, "Busy").Val == 0 {
break
}
}
time.Sleep(1e9)
document := oleutil.MustGetProperty(ie, "document").ToIDispatch()
window := oleutil.MustGetProperty(document, "parentWindow").ToIDispatch()
// set 'golang' to text box.
oleutil.MustCallMethod(window, "eval", "document.getElementsByName('q')[0].value = 'golang'")
// click btnG.
btnG := oleutil.MustCallMethod(window, "eval", "document.getElementsByName('btnG')[0]").ToIDispatch()
oleutil.MustCallMethod(btnG, "click")
}
func (wd *Word) open(inFile string) (err error) {
ole.CoInitialize(0)
var unknown *ole.IUnknown
unknown, err = oleutil.CreateObject("Word.Application")
if err != nil {
return
}
wd.app, err = unknown.QueryInterface(ole.IID_IDispatch)
if err != nil {
return
}
_, err = oleutil.PutProperty(wd.app, "Visible", false)
if err != nil {
return
}
_, err = oleutil.PutProperty(wd.app, "DisplayAlerts", 0)
if err != nil {
return
}
wd.documents, err = oleutil.GetProperty(wd.app, "Documents")
if err != nil {
return
}
wd.doc, err = oleutil.CallMethod(wd.documents.ToIDispatch(), "Open", inFile)
if err != nil {
return
}
return
}
func (wd *Word) Export(inFile, outDir string) (outFile string, err error) {
outFile = filepath.Join(outDir, filepath.Base(inFile+".pdf"))
defer func() {
if err != nil {
outFile = ""
}
wd.close()
}()
err = wd.open(inFile)
if err != nil {
return
}
_, err = oleutil.CallMethod(wd.doc.ToIDispatch(), "ExportAsFixedFormat", outFile, 17)
if err != nil {
return
}
return
}
func (pt *PowerPoint) Export(inFile, outDir string) (outFile string, err error) {
outFile = filepath.Join(outDir, filepath.Base(inFile+".pdf"))
defer func() {
if err != nil {
outFile = ""
}
pt.close()
}()
err = pt.open(inFile)
if err != nil {
return
}
_, err = oleutil.CallMethod(pt.ppt.ToIDispatch(), "SaveAs", outFile, 32)
if err != nil {
return
}
return
}
func init() {
ole.CoInitializeEx(0, ole.COINIT_MULTITHREADED)
unknown, err := oleutil.CreateObject("WbemScripting.SWbemLocator")
if err != nil {
logging.Criticalf("oleutil.CreateObject Failed: %v", err)
panic(err)
}
defer unknown.Release()
wmi, err := unknown.QueryInterface(ole.IID_IDispatch)
if err != nil {
logging.Criticalf("QueryInterface Failed: %v", err)
panic(err)
}
defer wmi.Release()
serviceRaw, err := oleutil.CallMethod(wmi, "ConnectServer")
if err != nil {
logging.Criticalf("Connect to Server Failed: %v", err)
panic(err)
}
wmi_service = serviceRaw.ToIDispatch()
}
func (rc *AdodbRows) Columns() []string {
if rc.nc != len(rc.cols) {
unknown, err := oleutil.GetProperty(rc.rc, "Fields")
if err != nil {
return []string{}
}
fields := unknown.ToIDispatch()
defer fields.Release()
val, err := oleutil.GetProperty(fields, "Count")
if err != nil {
return []string{}
}
rc.nc = int(val.Val)
rc.cols = make([]string, rc.nc)
for i := 0; i < rc.nc; i++ {
var varval ole.VARIANT
varval.VT = ole.VT_I4
varval.Val = int64(i)
val, err := oleutil.CallMethod(fields, "Item", &varval)
if err != nil {
return []string{}
}
item := val.ToIDispatch()
if err != nil {
return []string{}
}
name, err := oleutil.GetProperty(item, "Name")
if err != nil {
return []string{}
}
rc.cols[i] = name.ToString()
item.Release()
}
}
return rc.cols
}
func (c *AdodbConn) exec(cmd string) error {
_, err := oleutil.CallMethod(c.db, "Execute", cmd)
return err
}
func (rc *AdodbRows) Next(dest []driver.Value) error {
unknown, err := oleutil.GetProperty(rc.rc, "EOF")
if err != nil {
return io.EOF
}
if unknown.Val != 0 {
return io.EOF
}
unknown, err = oleutil.GetProperty(rc.rc, "Fields")
if err != nil {
return err
}
fields := unknown.ToIDispatch()
defer fields.Release()
for i := range dest {
var varval ole.VARIANT
varval.VT = ole.VT_I4
varval.Val = int64(i)
val, err := oleutil.CallMethod(fields, "Item", &varval)
if err != nil {
return err
}
field := val.ToIDispatch()
defer field.Release()
typ, err := oleutil.GetProperty(field, "Type")
if err != nil {
return err
}
val, err = oleutil.GetProperty(field, "Value")
if err != nil {
return err
}
sc, err := oleutil.GetProperty(field, "NumericScale")
field.Release()
if val.VT == 1 /* VT_NULL */ {
dest[i] = nil
continue
}
switch typ.Val {
case 0: // ADEMPTY
dest[i] = nil
case 2: // ADSMALLINT
dest[i] = int64(int16(val.Val))
case 3: // ADINTEGER
dest[i] = int64(int32(val.Val))
case 4: // ADSINGLE
dest[i] = float64(math.Float32frombits(uint32(val.Val)))
case 5: // ADDOUBLE
dest[i] = math.Float64frombits(uint64(val.Val))
case 6: // ADCURRENCY
dest[i] = float64(val.Val) / 10000
case 7: // ADDATE
// see http://blogs.msdn.com/b/ericlippert/archive/2003/09/16/eric-s-complete-guide-to-vt-date.aspx
d, t := math.Modf(math.Float64frombits(uint64(val.Val)))
t = math.Abs(t)
dest[i] = time.Date(1899, 12, 30+int(d), 0, 0, int(t*86400), 0, time.Local)
case 8: // ADBSTR
dest[i] = val.ToString()
case 9: // ADIDISPATCH
dest[i] = val.ToIDispatch()
case 10: // ADERROR
// TODO
case 11: // ADBOOLEAN
dest[i] = val.Val != 0
case 12: // ADVARIANT
dest[i] = val
case 13: // ADIUNKNOWN
dest[i] = val.ToIUnknown()
case 14: // ADDECIMAL
dest[i] = float64(val.Val)
case 16: // ADTINYINT
dest[i] = int8(val.Val)
case 17: // ADUNSIGNEDTINYINT
dest[i] = uint8(val.Val)
case 18: // ADUNSIGNEDSMALLINT
dest[i] = uint16(val.Val)
case 19: // ADUNSIGNEDINT
dest[i] = uint32(val.Val)
case 20: // ADBIGINT
dest[i] = big.NewInt(val.Val)
case 21: // ADUNSIGNEDBIGINT
// TODO
case 72: // ADGUID
dest[i] = val.ToString()
case 128: // ADBINARY
sa := (*ole.SAFEARRAY)(unsafe.Pointer(uintptr(val.Val)))
dest[i] = (*[1 << 30]byte)(unsafe.Pointer(uintptr(sa.Data)))[0:sa.Bounds.Elements]
case 129: // ADCHAR
dest[i] = val.ToString() //uint8(val.Val)
case 130: // ADWCHAR
dest[i] = val.ToString() //uint16(val.Val)
case 131: // ADNUMERIC
sub := math.Pow(10, float64(sc.Val))
dest[i] = float64(float64(val.Val) / sub)
case 132: // ADUSERDEFINED
dest[i] = uintptr(val.Val)
case 133: // ADDBDATE
// see http://blogs.msdn.com/b/ericlippert/archive/2003/09/16/eric-s-complete-guide-to-vt-date.aspx
d := math.Float64frombits(uint64(val.Val))
dest[i] = time.Date(1899, 12, 30+int(d), 0, 0, 0, 0, time.Local)
case 134: // ADDBTIME
t := math.Float64frombits(uint64(val.Val))
dest[i] = time.Date(0, 1, 1, 0, 0, int(t*86400), 0, time.Local)
case 135: // ADDBTIMESTAMP
d, t := math.Modf(math.Float64frombits(uint64(val.Val)))
t = math.Abs(t)
dest[i] = time.Date(1899, 12, 30+int(d), 0, 0, int(t*86400), 0, time.Local)
case 136: // ADCHAPTER
dest[i] = val.ToString()
case 200: // ADVARCHAR
dest[i] = val.ToString()
case 201: // ADLONGVARCHAR
dest[i] = val.ToString()
case 202: // ADVARWCHAR
dest[i] = val.ToString()
case 203: // ADLONGVARWCHAR
dest[i] = val.ToString()
case 204: // ADVARBINARY
// TODO
case 205: // ADLONGVARBINARY
sa := (*ole.SAFEARRAY)(unsafe.Pointer(uintptr(val.Val)))
dest[i] = (*[1 << 30]byte)(unsafe.Pointer(uintptr(sa.Data)))[0:sa.Bounds.Elements]
}
}
_, err = oleutil.CallMethod(rc.rc, "MoveNext")
if err != nil {
return err
}
return nil
}
func getListViaWmiPnpEntity() ([]OsSerialPort, os.SyscallError) {
//log.Println("Doing getListViaWmiPnpEntity()")
// this method panics a lot and i'm not sure why, just catch
// the panic and return empty list
defer func() {
if e := recover(); e != nil {
// e is the interface{} typed-value we passed to panic()
log.Println("Got panic: ", e) // Prints "Whoops: boom!"
}
}()
var err os.SyscallError
//var friendlyName string
// init COM, oh yeah
ole.CoInitialize(0)
defer ole.CoUninitialize()
unknown, _ := oleutil.CreateObject("WbemScripting.SWbemLocator")
defer unknown.Release()
wmi, _ := unknown.QueryInterface(ole.IID_IDispatch)
defer wmi.Release()
// service is a SWbemServices
serviceRaw, _ := oleutil.CallMethod(wmi, "ConnectServer")
service := serviceRaw.ToIDispatch()
defer service.Release()
// result is a SWBemObjectSet
//pname := syscall.StringToUTF16("SELECT * FROM Win32_PnPEntity where Name like '%" + "COM35" + "%'")
pname := "SELECT * FROM Win32_PnPEntity WHERE ConfigManagerErrorCode = 0 and Name like '%(COM%'"
//pname := "SELECT * FROM Win32_PnPEntity WHERE ConfigManagerErrorCode = 0"
resultRaw, err2 := oleutil.CallMethod(service, "ExecQuery", pname)
//log.Println("Got result from oleutil.CallMethod")
if err2 != nil {
// we got back an error or empty list
log.Printf("Got an error back from oleutil.CallMethod. err:%v", err2)
return nil, err
}
result := resultRaw.ToIDispatch()
defer result.Release()
countVar, _ := oleutil.GetProperty(result, "Count")
count := int(countVar.Val)
list := make([]OsSerialPort, count)
for i := 0; i < count; i++ {
// items we're looping thru look like below and
// thus we can query for any of these names
/*
__GENUS : 2
__CLASS : Win32_PnPEntity
__SUPERCLASS : CIM_LogicalDevice
__DYNASTY : CIM_ManagedSystemElement
__RELPATH : Win32_PnPEntity.DeviceID="USB\\VID_1D50&PID_606D&MI_02\\6&2F09EA14&0&0002"
__PROPERTY_COUNT : 24
__DERIVATION : {CIM_LogicalDevice, CIM_LogicalElement, CIM_ManagedSystemElement}
__SERVER : JOHN-ATIV
__NAMESPACE : root\cimv2
__PATH : \\JOHN-ATIV\root\cimv2:Win32_PnPEntity.DeviceID="USB\\VID_1D50&PID_606D&MI_02\\6&2F09EA14
&0&0002"
Availability :
Caption : TinyG v2 (Data Channel) (COM12)
ClassGuid : {4d36e978-e325-11ce-bfc1-08002be10318}
CompatibleID : {USB\Class_02&SubClass_02&Prot_01, USB\Class_02&SubClass_02, USB\Class_02}
ConfigManagerErrorCode : 0
ConfigManagerUserConfig : False
CreationClassName : Win32_PnPEntity
Description : TinyG v2 (Data Channel)
DeviceID : USB\VID_1D50&PID_606D&MI_02\6&2F09EA14&0&0002
ErrorCleared :
ErrorDescription :
HardwareID : {USB\VID_1D50&PID_606D&REV_0097&MI_02, USB\VID_1D50&PID_606D&MI_02}
InstallDate :
LastErrorCode :
Manufacturer : Synthetos (www.synthetos.com)
Name : TinyG v2 (Data Channel) (COM12)
PNPDeviceID : USB\VID_1D50&PID_606D&MI_02\6&2F09EA14&0&0002
PowerManagementCapabilities :
PowerManagementSupported :
Service : usbser
Status : OK
StatusInfo :
SystemCreationClassName : Win32_ComputerSystem
SystemName : JOHN-ATIV
PSComputerName : JOHN-ATIV
*/
// item is a SWbemObject, but really a Win32_Process
itemRaw, _ := oleutil.CallMethod(result, "ItemIndex", i)
item := itemRaw.ToIDispatch()
defer item.Release()
asString, _ := oleutil.GetProperty(item, "Name")
//log.Println(asString.ToString())
// get the com port
//if false {
s := strings.Split(asString.ToString(), "(COM")[1]
s = "COM" + s
s = strings.Split(s, ")")[0]
list[i].Name = s
//}
// get the deviceid so we can figure out related ports
// it will look similar to
// USB\VID_1D50&PID_606D&MI_00\6&2F09EA14&0&0000
deviceIdStr, _ := oleutil.GetProperty(item, "DeviceID")
devIdItems := strings.Split(deviceIdStr.ToString(), "&")
log.Printf("DeviceId elements:%v", devIdItems)
if len(devIdItems) > 3 {
list[i].SerialNumber = devIdItems[3]
list[i].IdProduct = strings.Replace(devIdItems[1], "PID_", "", 1)
list[i].IdVendor = strings.Replace(devIdItems[0], "USB\\VID_", "", 1)
} else {
list[i].SerialNumber = deviceIdStr.ToString()
pidMatch := regexp.MustCompile("PID_(\\d+)").FindAllStringSubmatch(deviceIdStr.ToString(), -1)
if len(pidMatch) > 0 {
if len(pidMatch[0]) > 1 {
list[i].IdProduct = pidMatch[0][1]
}
}
vidMatch := regexp.MustCompile("VID_(\\d+)").FindAllStringSubmatch(deviceIdStr.ToString(), -1)
if len(vidMatch) > 0 {
if len(vidMatch[0]) > 1 {
list[i].IdVendor = vidMatch[0][1]
}
}
}
list[i].IdVendor = "0x" + list[i].IdVendor
list[i].IdProduct = "0x" + list[i].IdProduct
manufStr, _ := oleutil.GetProperty(item, "Manufacturer")
list[i].Manufacturer = manufStr.ToString()
descStr, _ := oleutil.GetProperty(item, "Description")
list[i].Product = descStr.ToString()
//classStr, _ := oleutil.GetProperty(item, "CreationClassName")
//list[i].DeviceClass = classStr.ToString()
}
return list, err
}