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slirp: Add info usernet for dumping connection states

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Break out sockstats from the slirp statistics and present them under the
new info category "usernet". This patch also improves the current output
/wrt proper reporting connection source and destination.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Jan Kiszka 2009-06-24 14:42:29 +02:00 • committed by Anthony Liguori
parent 4a82347a47
commit 6dbe553fe9
9 changed files with 102 additions and 55 deletions
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86
slirp/misc.c
View file

@ -6,6 +6,9 @@
*/
#include <slirp.h>
#include <libslirp.h>
#include "monitor.h"
u_int curtime, time_fasttimo, last_slowtimo;
@ -906,3 +909,86 @@ rsh_exec(so,ns, user, host, args)
}
}
#endif
void slirp_connection_info(Monitor *mon)
{
const char * const tcpstates[] = {
[TCPS_CLOSED] = "CLOSED",
[TCPS_LISTEN] = "LISTEN",
[TCPS_SYN_SENT] = "SYN_SENT",
[TCPS_SYN_RECEIVED] = "SYN_RCVD",
[TCPS_ESTABLISHED] = "ESTABLISHED",
[TCPS_CLOSE_WAIT] = "CLOSE_WAIT",
[TCPS_FIN_WAIT_1] = "FIN_WAIT_1",
[TCPS_CLOSING] = "CLOSING",
[TCPS_LAST_ACK] = "LAST_ACK",
[TCPS_FIN_WAIT_2] = "FIN_WAIT_2",
[TCPS_TIME_WAIT] = "TIME_WAIT",
};
struct in_addr dst_addr;
struct sockaddr_in src;
socklen_t src_len;
uint16_t dst_port;
struct socket *so;
const char *state;
char buf[20];
int n;
monitor_printf(mon, " Protocol[State] FD Source Address Port "
"Dest. Address Port RecvQ SendQ\n");
for (so = tcb.so_next; so != &tcb; so = so->so_next) {
if (so->so_state & SS_HOSTFWD) {
state = "HOST_FORWARD";
} else if (so->so_tcpcb) {
state = tcpstates[so->so_tcpcb->t_state];
} else {
state = "NONE";
}
if (so->so_state & (SS_HOSTFWD | SS_INCOMING)) {
src_len = sizeof(src);
getsockname(so->s, (struct sockaddr *)&src, &src_len);
dst_addr = so->so_laddr;
dst_port = so->so_lport;
} else {
src.sin_addr = so->so_laddr;
src.sin_port = so->so_lport;
dst_addr = so->so_faddr;
dst_port = so->so_fport;
}
n = snprintf(buf, sizeof(buf), " TCP[%s]", state);
memset(&buf[n], ' ', 19 - n);
buf[19] = 0;
monitor_printf(mon, "%s %3d %15s %5d ", buf, so->s,
src.sin_addr.s_addr ? inet_ntoa(src.sin_addr) : "*",
ntohs(src.sin_port));
monitor_printf(mon, "%15s %5d %5d %5d\n",
inet_ntoa(dst_addr), ntohs(dst_port),
so->so_rcv.sb_cc, so->so_snd.sb_cc);
}
for (so = udb.so_next; so != &udb; so = so->so_next) {
if (so->so_state & SS_HOSTFWD) {
n = snprintf(buf, sizeof(buf), " UDP[HOST_FORWARD]");
src_len = sizeof(src);
getsockname(so->s, (struct sockaddr *)&src, &src_len);
dst_addr = so->so_laddr;
dst_port = so->so_lport;
} else {
n = snprintf(buf, sizeof(buf), " UDP[%d sec]",
(so->so_expire - curtime) / 1000);
src.sin_addr = so->so_laddr;
src.sin_port = so->so_lport;
dst_addr = so->so_faddr;
dst_port = so->so_fport;
}
memset(&buf[n], ' ', 19 - n);
buf[19] = 0;
monitor_printf(mon, "%s %3d %15s %5d ", buf, so->s,
src.sin_addr.s_addr ? inet_ntoa(src.sin_addr) : "*",
ntohs(src.sin_port));
monitor_printf(mon, "%15s %5d %5d %5d\n",
inet_ntoa(dst_addr), ntohs(dst_port),
so->so_rcv.sb_cc, so->so_snd.sb_cc);
}
}