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Kirill Smelkov
neo
Commits
35d32ba6
Commit
35d32ba6
authored
Jan 12, 2021
by
Kirill Smelkov
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.
parent
1cf2712f
Changes
2
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2 changed files
with
32 additions
and
21 deletions
+32
-21
go/neo/neonet/connection.go
go/neo/neonet/connection.go
+18
-5
go/neo/neonet/pkt.go
go/neo/neonet/pkt.go
+14
-16
No files found.
go/neo/neonet/connection.go
View file @
35d32ba6
...
...
@@ -1187,7 +1187,7 @@ const dumpio = false
func
(
nl
*
NodeLink
)
sendPkt
(
pkt
*
pktBuf
)
error
{
if
dumpio
{
// XXX -> log
fmt
.
Printf
(
"%
v > %v: %v
\n
"
,
nl
.
peerLink
.
LocalAddr
(),
nl
.
peerLink
.
RemoteAddr
(),
pkt
)
fmt
.
Printf
(
"%
s > %s: %s
\n
"
,
nl
.
peerLink
.
LocalAddr
(),
nl
.
peerLink
.
RemoteAddr
(),
pktString
(
nl
.
enc
,
pkt
)
)
//defer fmt.Printf("\t-> sendPkt err: %v\n", err)
}
...
...
@@ -1213,7 +1213,13 @@ func (nl *NodeLink) recvPkt() (pkt *pktBuf, err error) {
if
dumpio
{
// XXX -> log
fmt
.
Printf
(
"%v < %v: %v
\n
"
,
nl
.
peerLink
.
LocalAddr
(),
nl
.
peerLink
.
RemoteAddr
(),
pkt
)
s
:=
fmt
.
Sprintf
(
"%s < %s: "
,
nl
.
peerLink
.
LocalAddr
(),
nl
.
peerLink
.
RemoteAddr
())
if
err
!=
nil
{
s
+=
err
.
Error
()
}
else
{
s
+=
pktString
(
nl
.
enc
,
pkt
)
}
fmt
.
Println
(
s
)
}
return
pkt
,
err
...
...
@@ -1387,10 +1393,15 @@ func pktEncode(e proto.Encoding, connId uint32, msg proto.Msg) *pktBuf {
// pktDecodeHead decodes header of a packet.
func
pktDecodeHead
(
e
proto
.
Encoding
,
pkt
*
pktBuf
)
(
connID
uint32
,
msgCode
uint16
,
payload
[]
byte
,
err
error
)
{
switch
e
{
case
'N'
:
return
pktDecodeHeadN
(
pkt
)
case
'M'
:
return
pktDecodeHeadM
(
pkt
)
case
'N'
:
connID
,
msgCode
,
payload
,
err
=
pktDecodeHeadN
(
pkt
)
case
'M'
:
connID
,
msgCode
,
payload
,
err
=
pktDecodeHeadM
(
pkt
)
default
:
panic
(
"bug"
)
}
if
err
!=
nil
{
err
=
fmt
.
Errorf
(
"decode header: %s"
,
err
)
}
return
connID
,
msgCode
,
payload
,
err
}
...
...
@@ -1408,6 +1419,9 @@ func pktEncodeN(connId uint32, msg proto.Msg) *pktBuf {
}
func
pktDecodeHeadN
(
pkt
*
pktBuf
)
(
connID
uint32
,
msgCode
uint16
,
payload
[]
byte
,
err
error
)
{
if
len
(
pkt
.
data
)
<
proto
.
PktHeaderLen
{
return
0
,
0
,
nil
,
fmt
.
Errorf
(
"packet too short"
)
// XXX -> ErrTooShort?
}
pkth
:=
pkt
.
HeaderN
()
connID
=
packed
.
Ntoh32
(
pkth
.
ConnId
)
msgCode
=
packed
.
Ntoh16
(
pkth
.
MsgCode
)
...
...
@@ -1442,7 +1456,6 @@ func pktEncodeM(connId uint32, msg proto.Msg) *pktBuf {
}
func
pktDecodeHeadM
(
pkt
*
pktBuf
)
(
connID
uint32
,
msgCode
uint16
,
payload
[]
byte
,
err
error
)
{
// XXX errctx = "decode header"
b
:=
pkt
.
data
sz
,
b
,
err
:=
msgp
.
ReadArrayHeaderBytes
(
b
)
if
err
!=
nil
{
...
...
go/neo/neonet/pkt.go
View file @
35d32ba6
...
...
@@ -28,7 +28,6 @@ import (
"lab.nexedi.com/kirr/go123/xbytes"
"lab.nexedi.com/kirr/neo/go/internal/packed"
"lab.nexedi.com/kirr/neo/go/neo/proto"
)
...
...
@@ -80,35 +79,31 @@ func (pkt *pktBuf) Free() {
// ---- pktBuf dump ----
// String dumps a packet in human-readable form.
func
(
pkt
*
pktBuf
)
String
()
string
{
if
len
(
pkt
.
data
)
<
proto
.
PktHeaderLen
{
return
fmt
.
Sprintf
(
"(! < PktHeaderLen) % x"
,
pkt
.
data
)
// pktString dumps a packet in human-readable form.
func
pktString
(
e
proto
.
Encoding
,
pkt
*
pktBuf
)
string
{
connID
,
msgCode
,
payload
,
err
:=
pktDecodeHead
(
e
,
pkt
)
if
err
!=
nil
{
return
fmt
.
Sprintf
(
"(%s) % x"
,
err
,
pkt
.
data
)
}
h
:=
pkt
.
Header
()
s
:=
fmt
.
Sprintf
(
".%d"
,
packed
.
Ntoh32
(
h
.
ConnId
))
s
:=
fmt
.
Sprintf
(
".%d"
,
connID
)
// XXX encN-specific
msgCode
:=
packed
.
Ntoh16
(
h
.
MsgCode
)
msgLen
:=
packed
.
Ntoh32
(
h
.
MsgLen
)
data
:=
pkt
.
Payload
()
msgType
:=
proto
.
MsgType
(
msgCode
)
if
msgType
==
nil
{
s
+=
fmt
.
Sprintf
(
" ? (%d)
#%d [%d]: % x"
,
msgCode
,
msgLen
,
len
(
data
),
data
)
s
+=
fmt
.
Sprintf
(
" ? (%d)
[%d]: % x"
,
msgCode
,
len
(
payload
),
payload
)
return
s
}
// XXX dup wrt Conn.Recv
msg
:=
reflect
.
New
(
msgType
)
.
Interface
()
.
(
proto
.
Msg
)
n
,
err
:=
e
ncN
.
NEOMsgDecode
(
msg
,
data
)
// XXX encN hardcoded
n
,
err
:=
e
.
NEOMsgDecode
(
msg
,
payload
)
if
err
!=
nil
{
s
+=
fmt
.
Sprintf
(
" (%s) %v;
#%d [%d]: % x"
,
msgType
.
Name
(),
err
,
msgLen
,
len
(
data
),
data
)
s
+=
fmt
.
Sprintf
(
" (%s) %v;
[%d]: % x"
,
msgType
.
Name
(),
err
,
len
(
payload
),
payload
)
}
else
{
s
+=
fmt
.
Sprintf
(
" %s %v"
,
msgType
.
Name
(),
msg
)
// XXX or %+v better?
if
n
<
len
(
data
)
{
tail
:=
data
[
n
:
]
if
n
<
len
(
payload
)
{
tail
:=
payload
[
n
:
]
s
+=
fmt
.
Sprintf
(
" ; [%d]tail: % x"
,
len
(
tail
),
tail
)
}
}
...
...
@@ -116,8 +111,10 @@ func (pkt *pktBuf) String() string {
return
s
}
/*
// Dump dumps a packet in raw form.
func (pkt *pktBuf) Dump() string {
// XXX encN-specific
if len(pkt.data) < proto.PktHeaderLen {
return fmt.Sprintf("(! < pktHeaderLen) % x", pkt.data)
}
...
...
@@ -127,3 +124,4 @@ func (pkt *pktBuf) Dump() string {
return fmt.Sprintf(".%d (%d) #%d [%d]: % x",
packed.Ntoh32(h.ConnId), packed.Ntoh16(h.MsgCode), packed.Ntoh32(h.MsgLen), len(data), data)
}
*/
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