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freebsd5 net_connection_list impl

This commit is contained in:
Doug MacEachern 2005-03-14 20:48:55 +00:00
parent da4605cc9f
commit 5cb9e6bfcf
1 changed files with 172 additions and 0 deletions
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172
src/os/darwin/darwin_sigar.c
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@ -1368,9 +1368,181 @@ int sigar_net_interface_stat_get(sigar_t *sigar, const char *name,
return SIGAR_OK;
}
#if defined(SIGAR_FREEBSD5)
#include <sys/socketvar.h>
#include <netinet/in_pcb.h>
#include <netinet/tcp_var.h>
#include <netinet/tcp_fsm.h>
static int net_connection_list_get(sigar_t *sigar,
sigar_net_connection_list_t *connlist,
int flags, int proto)
{
int type, istcp = 0;
char *buf;
const char *mibvar;
struct tcpcb *tp = NULL;
struct inpcb *inp;
struct xinpgen *xig, *oxig;
struct xsocket *so;
size_t len;
switch (proto) {
case IPPROTO_TCP:
mibvar = "net.inet.tcp.pcblist";
istcp = 1;
type = SIGAR_NETCONN_TCP;
break;
case IPPROTO_UDP:
mibvar = "net.inet.udp.pcblist";
type = SIGAR_NETCONN_UDP;
break;
default:
mibvar = "net.inet.raw.pcblist";
type = SIGAR_NETCONN_RAW;
break;
}
len = 0;
if (sysctlbyname(mibvar, 0, &len, 0, 0) < 0) {
return errno;
}
if ((buf = malloc(len)) == 0) {
return errno;
}
if (sysctlbyname(mibvar, buf, &len, 0, 0) < 0) {
free(buf);
return errno;
}
oxig = xig = (struct xinpgen *)buf;
for (xig = (struct xinpgen *)((char *)xig + xig->xig_len);
xig->xig_len > sizeof(struct xinpgen);
xig = (struct xinpgen *)((char *)xig + xig->xig_len))
{
if (istcp) {
struct xtcpcb *cb = (struct xtcpcb *)xig;
tp = &cb->xt_tp;
inp = &cb->xt_inp;
so = &cb->xt_socket;
}
else {
struct xinpcb *cb = (struct xincb *)xig;
inp = &cb->xi_inp;
so = &cb->xi_socket;
}
if (so->xso_protocol != proto) {
continue;
}
if (inp->inp_gencnt > oxig->xig_gen) {
continue;
}
if ((((flags & SIGAR_NETCONN_SERVER) && so->so_qlimit) ||
((flags & SIGAR_NETCONN_CLIENT) && !so->so_qlimit)))
{
sigar_net_connection_t *conn;
SIGAR_NET_CONNLIST_GROW(connlist);
conn = &connlist->data[connlist->number++];
sigar_inet_ntoa(sigar, inp->inp_laddr.s_addr,
conn->local_address);
sigar_inet_ntoa(sigar, inp->inp_faddr.s_addr,
conn->remote_address);
conn->local_port = ntohs(inp->inp_lport);
conn->remote_port = ntohs(inp->inp_fport);
conn->receive_queue = so->so_rcv.sb_cc;
conn->send_queue = so->so_snd.sb_cc;
conn->type = type;
if (!istcp) {
conn->state = SIGAR_TCP_UNKNOWN;
continue;
}
switch (tp->t_state) {
case TCPS_CLOSED:
conn->state = SIGAR_TCP_CLOSE;
break;
case TCPS_LISTEN:
conn->state = SIGAR_TCP_LISTEN;
break;
case TCPS_SYN_SENT:
conn->state = SIGAR_TCP_SYN_SENT;
break;
case TCPS_SYN_RECEIVED:
conn->state = SIGAR_TCP_SYN_RECV;
break;
case TCPS_ESTABLISHED:
conn->state = SIGAR_TCP_ESTABLISHED;
break;
case TCPS_CLOSE_WAIT:
conn->state = SIGAR_TCP_CLOSE_WAIT;
break;
case TCPS_FIN_WAIT_1:
conn->state = SIGAR_TCP_FIN_WAIT1;
break;
case TCPS_CLOSING:
conn->state = SIGAR_TCP_CLOSING;
break;
case TCPS_LAST_ACK:
conn->state = SIGAR_TCP_LAST_ACK;
break;
case TCPS_FIN_WAIT_2:
conn->state = SIGAR_TCP_FIN_WAIT2;
break;
case TCPS_TIME_WAIT:
conn->state = SIGAR_TCP_TIME_WAIT;
break;
default:
conn->state = SIGAR_TCP_UNKNOWN;
break;
}
}
}
free(buf);
return SIGAR_OK;
}
int sigar_net_connection_list_get(sigar_t *sigar,
sigar_net_connection_list_t *connlist,
int flags)
{
int status;
sigar_net_connection_list_create(connlist);
if (flags & SIGAR_NETCONN_TCP) {
status = net_connection_list_get(sigar, connlist,
flags, IPPROTO_TCP);
if (status != SIGAR_OK) {
return status;
}
}
if (flags & SIGAR_NETCONN_UDP) {
status = net_connection_list_get(sigar, connlist,
flags, IPPROTO_UDP);
if (status != SIGAR_OK) {
return status;
}
}
return SIGAR_OK;
}
#else
int sigar_net_connection_list_get(sigar_t *sigar,
sigar_net_connection_list_t *connlist,
int flags)
{
return SIGAR_ENOTIMPL;
}
#endif