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User networking: Show active connections

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In case you're wondering what connections exactly you have open
or maybe redir'ed in the past, you can't really find out from qemu
right now.

This patch enables you to see all current connections the host
only networking holds open, so you can kill them using the previous
patch.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Alexander Graf 2009-05-26 13:03:27 +02:00 • committed by Anthony Liguori
parent c1261d8d16
commit 1c6ed9f337
4 changed files with 74 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

44
net.c
View file

@ -568,6 +568,45 @@ static int net_slirp_init(VLANState *vlan, const char *model, const char *name)
return 0;
}
static void net_slirp_redir_print(void *opaque, int is_udp,
struct in_addr *laddr, u_int lport,
struct in_addr *faddr, u_int fport)
{
Monitor *mon = (Monitor *)opaque;
uint32_t h_addr;
uint32_t g_addr;
char buf[16];
h_addr = ntohl(faddr->s_addr);
g_addr = ntohl(laddr->s_addr);
monitor_printf(mon, " %s |", is_udp ? "udp" : "tcp" );
snprintf(buf, 15, "%d.%d.%d.%d", (h_addr >> 24) & 0xff,
(h_addr >> 16) & 0xff,
(h_addr >> 8) & 0xff,
(h_addr) & 0xff);
monitor_printf(mon, " %15s |", buf);
monitor_printf(mon, " %5d |", fport);
snprintf(buf, 15, "%d.%d.%d.%d", (g_addr >> 24) & 0xff,
(g_addr >> 16) & 0xff,
(g_addr >> 8) & 0xff,
(g_addr) & 0xff);
monitor_printf(mon, " %15s |", buf);
monitor_printf(mon, " %5d\n", lport);
}
static void net_slirp_redir_list(Monitor *mon)
{
if (!mon)
return;
monitor_printf(mon, " Prot | Host Addr | HPort | Guest Addr | GPort\n");
monitor_printf(mon, " | | | | \n");
slirp_redir_loop(net_slirp_redir_print, mon);
}
static void net_slirp_redir_rm(Monitor *mon, const char *port_str)
{
int host_port;
@ -622,6 +661,11 @@ void net_slirp_redir(Monitor *mon, const char *redir_str, const char *redir_opt2
return;
}
if (!strcmp(redir_str, "list")) {
net_slirp_redir_list(mon);
return;
}
p = redir_str;
if (get_str_sep(buf, sizeof(buf), &p, ':') < 0)
goto fail_syntax;