forked from Gitlink/gitea-1120-rc1
101 lines
2.0 KiB
Go
101 lines
2.0 KiB
Go
package mssql
|
|
|
|
import (
|
|
"encoding/binary"
|
|
)
|
|
|
|
type ProcId struct {
|
|
id uint16
|
|
name string
|
|
}
|
|
|
|
// parameter flags
|
|
const (
|
|
fByRevValue = 1
|
|
fDefaultValue = 2
|
|
)
|
|
|
|
type Param struct {
|
|
Name string
|
|
Flags uint8
|
|
ti typeInfo
|
|
buffer []byte
|
|
}
|
|
|
|
func MakeProcId(name string) (res ProcId) {
|
|
res.name = name
|
|
if len(name) == 0 {
|
|
panic("Proc name shouln't be empty")
|
|
}
|
|
if len(name) >= 0xffff {
|
|
panic("Invalid length of procedure name, should be less than 0xffff")
|
|
}
|
|
return res
|
|
}
|
|
|
|
const (
|
|
fWithRecomp = 1
|
|
fNoMetaData = 2
|
|
fReuseMetaData = 4
|
|
)
|
|
|
|
var (
|
|
Sp_Cursor = ProcId{1, ""}
|
|
Sp_CursorOpen = ProcId{2, ""}
|
|
Sp_CursorPrepare = ProcId{3, ""}
|
|
Sp_CursorExecute = ProcId{4, ""}
|
|
Sp_CursorPrepExec = ProcId{5, ""}
|
|
Sp_CursorUnprepare = ProcId{6, ""}
|
|
Sp_CursorFetch = ProcId{7, ""}
|
|
Sp_CursorOption = ProcId{8, ""}
|
|
Sp_CursorClose = ProcId{9, ""}
|
|
Sp_ExecuteSql = ProcId{10, ""}
|
|
Sp_Prepare = ProcId{11, ""}
|
|
Sp_PrepExec = ProcId{13, ""}
|
|
Sp_PrepExecRpc = ProcId{14, ""}
|
|
Sp_Unprepare = ProcId{15, ""}
|
|
)
|
|
|
|
// http://msdn.microsoft.com/en-us/library/dd357576.aspx
|
|
func sendRpc(buf *tdsBuffer, headers []headerStruct, proc ProcId, flags uint16, params []Param) (err error) {
|
|
buf.BeginPacket(packRPCRequest)
|
|
writeAllHeaders(buf, headers)
|
|
if len(proc.name) == 0 {
|
|
var idswitch uint16 = 0xffff
|
|
err = binary.Write(buf, binary.LittleEndian, &idswitch)
|
|
if err != nil {
|
|
return
|
|
}
|
|
err = binary.Write(buf, binary.LittleEndian, &proc.id)
|
|
if err != nil {
|
|
return
|
|
}
|
|
} else {
|
|
err = writeUsVarChar(buf, proc.name)
|
|
if err != nil {
|
|
return
|
|
}
|
|
}
|
|
err = binary.Write(buf, binary.LittleEndian, &flags)
|
|
if err != nil {
|
|
return
|
|
}
|
|
for _, param := range params {
|
|
if err = writeBVarChar(buf, param.Name); err != nil {
|
|
return
|
|
}
|
|
if err = binary.Write(buf, binary.LittleEndian, param.Flags); err != nil {
|
|
return
|
|
}
|
|
err = writeTypeInfo(buf, ¶m.ti)
|
|
if err != nil {
|
|
return
|
|
}
|
|
err = param.ti.Writer(buf, param.ti, param.buffer)
|
|
if err != nil {
|
|
return
|
|
}
|
|
}
|
|
return buf.FinishPacket()
|
|
}
|