AMajor/SoftEtherVPN
1
0
Fork 0
mirror of https://github.com/SoftEtherVPN/SoftEtherVPN.git synced 2026-03-31 04:21:57 +03:00
Code Releases Activity

Add server-side NOOP upload for connection keepalive

Browse Source
This commit is contained in:
Siddharth Narayan
2025-12-21 21:10:32 -05:00
parent 304364719c
commit c32184495b
4 changed files with 48 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
src/Mayaqua/HTTP.c
View File

@ -1207,12 +1207,14 @@ PACK *HttpClientRecv(SOCK *s)
UINT size;
UCHAR *tmp;
HTTP_VALUE *v;
UINT num_noop = 0;
// Validate arguments
if (s == NULL)
{
return NULL;
}
START:
h = RecvHttpHeader(s);
if (h == NULL)
{
@ -1257,6 +1259,22 @@ PACK *HttpClientRecv(SOCK *s)
p = BufToPack(b);
FreeBuf(b);
// Client shouldn't receive a noop other than NOOP_IGNORE
// because it can't respond without a full new HTTP request
UINT noop = PackGetInt(p, "noop");
if (noop == NOOP_IGNORE) {
Debug("recv: noop ignore\n");
FreePack(p);
num_noop++;
if (num_noop > MAX_NOOP_PER_SESSION)
{
return NULL;
}
goto START;
}
return p;
}
@ -1365,13 +1383,14 @@ START:
FreeBuf(b);
// Determine whether it's a NOOP
if (PackGetInt(p, "noop") != 0)
UINT noop = PackGetInt(p, "noop");
if (noop == NOOP)
{
Debug("recv: noop\n");
FreePack(p);
p = PackError(0);
PackAddInt(p, "noop", 1);
PackAddInt(p, "noop", NOOP_IGNORE);
if (HttpServerSend(s, p) == false)
{
FreePack(p);
@ -1387,6 +1406,11 @@ START:
return NULL;
}
goto START;
} else if (noop == NOOP_IGNORE) {
Debug("recv: noop ignore\n");
FreePack(p);
goto START;
}

2
src/Mayaqua/Pack.h
View File

@ -38,6 +38,8 @@
// The number of allowable NOOP
#define MAX_NOOP_PER_SESSION 30
#define NOOP 1
#define NOOP_IGNORE 2 // A noop, but don't send a response noop
// VALUE object
struct VALUE