chore: ⬆️ Vendor for new deps

vendor/github.com/microsoft/go-mssqldb/rpc.go

@@ -0,0 +1,99 @@
+package mssql
+
+import (
+	"encoding/binary"
+
+	"github.com/microsoft/go-mssqldb/msdsn"
+)
+
+type procId struct {
+	id   uint16
+	name string
+}
+
+// parameter flags
+const (
+	fByRevValue   = 1
+	fDefaultValue = 2
+	fEncrypted    = 8
+)
+
+type param struct {
+	Name       string
+	Flags      uint8
+	ti         typeInfo
+	buffer     []byte
+	tiOriginal typeInfo
+	cipherInfo []byte
+}
+
+// Most of these are not used, but are left here for reference.
+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, resetSession bool, encoding msdsn.EncodeParameters) (err error) {
+	buf.BeginPacket(packRPCRequest, resetSession)
+	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, &param.ti, (param.Flags&fByRevValue) != 0, encoding)
+		if err != nil {
+			return
+		}
+		err = param.ti.Writer(buf, param.ti, param.buffer, encoding)
+		if err != nil {
+			return
+		}
+		if (param.Flags & fEncrypted) == fEncrypted {
+			err = writeTypeInfo(buf, &param.tiOriginal, false, encoding)
+			if err != nil {
+				return
+			}
+			if _, err = buf.Write(param.cipherInfo); err != nil {
+				return
+			}
+		}
+	}
+	return buf.FinishPacket()
+}