working commit

vendor/github.com/tetratelabs/wazero/internal/wasip1/sock.go

@@ -0,0 +1,71 @@
+package wasip1
+
+import "strconv"
+
+const (
+	SockAcceptName   = "sock_accept"
+	SockRecvName     = "sock_recv"
+	SockSendName     = "sock_send"
+	SockShutdownName = "sock_shutdown"
+)
+
+// SD Flags indicate which channels on a socket to shut down.
+// https://github.com/WebAssembly/WASI/blob/snapshot-01/phases/snapshot/docs.md#-sdflags-flagsu8
+const (
+	// SD_RD disables further receive operations.
+	SD_RD uint8 = 1 << iota //nolint
+	// SD_WR disables further send operations.
+	SD_WR
+)
+
+func SdFlagsString(sdflags int) string {
+	return flagsString(sdflagNames[:], sdflags)
+}
+
+var sdflagNames = [...]string{
+	"RD",
+	"WR",
+}
+
+// SI Flags are flags provided to sock_send. As there are currently no flags defined, it must be set to zero.
+// https://github.com/WebAssembly/WASI/blob/snapshot-01/phases/snapshot/docs.md#-siflags-u16
+
+func SiFlagsString(siflags int) string {
+	if siflags == 0 {
+		return ""
+	}
+	return strconv.Itoa(siflags)
+}
+
+// RI Flags are flags provided to sock_recv.
+// https://github.com/WebAssembly/WASI/blob/snapshot-01/phases/snapshot/docs.md#-riflags-flagsu16
+const (
+	// RI_RECV_PEEK returns the message without removing it from the socket's receive queue
+	RI_RECV_PEEK uint8 = 1 << iota //nolint
+	// RI_RECV_WAITALL on byte-stream sockets, block until the full amount of data can be returned.
+	RI_RECV_WAITALL
+)
+
+func RiFlagsString(riflags int) string {
+	return flagsString(riflagNames[:], riflags)
+}
+
+var riflagNames = [...]string{
+	"RECV_PEEK",
+	"RECV_WAITALL",
+}
+
+// RO Flags are flags returned by sock_recv.
+// https://github.com/WebAssembly/WASI/blob/snapshot-01/phases/snapshot/docs.md#-roflags-flagsu16
+const (
+	// RO_RECV_DATA_TRUNCATED is returned by sock_recv when message data has been truncated.
+	RO_RECV_DATA_TRUNCATED uint8 = 1 << iota //nolint
+)
+
+func RoFlagsString(roflags int) string {
+	return flagsString(roflagNames[:], roflags)
+}
+
+var roflagNames = [...]string{
+	"RECV_DATA_TRUNCATED",
+}