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This commit is contained in:
JackDoan
2025-10-30 14:21:31 -05:00
parent 770147264d
commit 9e38065673
6 changed files with 671 additions and 13 deletions
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26
udp/udp_linux_32.go
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@@ -30,13 +30,24 @@ type rawMessage struct {
Len uint32
}
func (u *StdConn) PrepareRawMessages(n int) ([]rawMessage, [][]byte, [][]byte) {
func (u *StdConn) PrepareRawMessages(n int) ([]rawMessage, [][]byte, [][]byte, [][]byte) {
controlLen := int(u.controlLen.Load())
msgs := make([]rawMessage, n)
buffers := make([][]byte, n)
names := make([][]byte, n)
var controls [][]byte
if controlLen > 0 {
controls = make([][]byte, n)
}
for i := range msgs {
buffers[i] = make([]byte, MTU)
size := MTU
if defaultGROReadBufferSize > size {
size = defaultGROReadBufferSize
}
buffers[i] = make([]byte, size)
names[i] = make([]byte, unix.SizeofSockaddrInet6)
vs := []iovec{
@@ -48,7 +59,16 @@ func (u *StdConn) PrepareRawMessages(n int) ([]rawMessage, [][]byte, [][]byte) {
msgs[i].Hdr.Name = &names[i][0]
msgs[i].Hdr.Namelen = uint32(len(names[i]))
if controlLen > 0 {
controls[i] = make([]byte, controlLen)
msgs[i].Hdr.Control = &controls[i][0]
msgs[i].Hdr.Controllen = controllen(len(controls[i]))
} else {
msgs[i].Hdr.Control = nil
msgs[i].Hdr.Controllen = controllen(0)
}
}
return msgs, buffers, names
return msgs, buffers, names, controls
}