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ss cleanup and enable full features. 

(Logical change 1.80)
This commit is contained in:
osdl.net!shemminger 2004-09-28 18:14:03 +00:00
parent 70ac2a48a8
commit b4b0b7d558
1 changed files with 50 additions and 36 deletions
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86
misc/ss.c
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@ -728,7 +728,7 @@ int run_ssfilter(struct ssfilter *f, struct tcpstat *s)
}
/* Relocate external jumps by reloc. */
void ssfilter_patch(char *a, int len, int reloc)
static void ssfilter_patch(char *a, int len, int reloc)
{
while (len > 0) {
struct tcpdiag_bc_op *op = (struct tcpdiag_bc_op*)a;
@ -741,7 +741,7 @@ void ssfilter_patch(char *a, int len, int reloc)
abort();
}
int ssfilter_bytecompile(struct ssfilter *f, char **bytecode)
static int ssfilter_bytecompile(struct ssfilter *f, char **bytecode)
{
switch (f->type) {
case SSF_S_AUTO:
@ -865,7 +865,7 @@ int ssfilter_bytecompile(struct ssfilter *f, char **bytecode)
}
}
int remember_he(struct aafilter *a, struct hostent *he)
static int remember_he(struct aafilter *a, struct hostent *he)
{
char **ptr = he->h_addr_list;
int cnt = 0;
@ -897,7 +897,7 @@ int remember_he(struct aafilter *a, struct hostent *he)
return cnt;
}
int get_dns_host(struct aafilter *a, char *addr, int fam)
static int get_dns_host(struct aafilter *a, const char *addr, int fam)
{
static int notfirst;
int cnt = 0;
@ -919,9 +919,9 @@ int get_dns_host(struct aafilter *a, char *addr, int fam)
return !cnt;
}
int xll_initted = 0;
static int xll_initted = 0;
void xll_init(void)
static void xll_init(void)
{
struct rtnl_handle rth;
rtnl_open(&rth, 0);
@ -930,14 +930,14 @@ void xll_init(void)
xll_initted = 1;
}
const char *xll_index_to_name(int index)
static const char *xll_index_to_name(int index)
{
if (!xll_initted)
xll_init();
return ll_index_to_name(index);
}
int xll_name_to_index(char *dev)
static int xll_name_to_index(const char *dev)
{
if (!xll_initted)
xll_init();
@ -1102,7 +1102,7 @@ void *parse_hostcond(char *addr)
return res;
}
int tcp_show_line(char *line, struct filter *f, int family)
static int tcp_show_line(char *line, struct filter *f, int family)
{
struct tcpstat s;
char *loc, *rem, *data;
@ -1224,7 +1224,7 @@ int tcp_show_line(char *line, struct filter *f, int family)
return 0;
}
int generic_record_read(int fd, char *buf, int bufsize,
static int generic_record_read(int fd, char *buf, int bufsize,
int (*worker)(char*, struct filter *, int),
struct filter *f, int fam)
{
@ -1287,10 +1287,24 @@ outwrongformat:
outerr:
return -1;
}
static char *sprint_bw(char *buf, double bw)
{
if (bw > 1000000.)
sprintf(buf,"%.1fM", bw / 1000000.);
else if (bw > 1000.)
sprintf(buf,"%.1fK", bw / 1000.);
else
sprintf(buf, "%g", bw);
void tcp_show_info(struct nlmsghdr *nlh, struct tcpdiagmsg *r)
return buf;
}
static void tcp_show_info(const struct nlmsghdr *nlh, struct tcpdiagmsg *r)
{
struct rtattr * tb[TCPDIAG_MAX+1];
char b1[64];
double rtt = 0;
memset(tb, 0, sizeof(tb));
parse_rtattr(tb, TCPDIAG_MAX, (struct rtattr*)(r+1),
@ -1318,15 +1332,17 @@ void tcp_show_info(struct nlmsghdr *nlh, struct tcpdiagmsg *r)
} else
info = RTA_DATA(tb[TCPDIAG_INFO]);
if (info->tcpi_options & TCPI_OPT_TIMESTAMPS)
printf(" ts");
if (info->tcpi_options & TCPI_OPT_SACK)
printf(" sack");
if (show_options) {
if (info->tcpi_options & TCPI_OPT_TIMESTAMPS)
printf(" ts");
if (info->tcpi_options & TCPI_OPT_SACK)
printf(" sack");
if (info->tcpi_options & TCPI_OPT_ECN)
printf(" ecn");
}
if (info->tcpi_options & TCPI_OPT_WSCALE)
printf(" wscale:%d,%d", info->tcpi_snd_wscale,
info->tcpi_rcv_wscale);
if (info->tcpi_options & TCPI_OPT_ECN)
printf(" ecn");
if (info->tcpi_rto && info->tcpi_rto != 3000000)
printf(" rto:%g", (double)info->tcpi_rto/1000);
if (info->tcpi_rtt)
@ -1339,14 +1355,7 @@ void tcp_show_info(struct nlmsghdr *nlh, struct tcpdiagmsg *r)
if (info->tcpi_snd_ssthresh < 0xFFFF)
printf(" ssthresh:%d", info->tcpi_snd_ssthresh);
#ifdef HAVE_TCP_DRS
if (info->tcpi_rcv_rtt)
printf(" rcv_rtt:%g", (double) info->tcpi_rcv_rtt/1000);
if (info->tcpi_rcv_space)
printf(" rcv_space:%d", info->tcpi_rcv_space);
#endif
#ifdef HAVE_TCP_VEGAS
rtt = (double) info->tcpi_rtt;
if (tb[TCPDIAG_VEGASINFO]) {
const struct tcpvegas_info *vinfo
= RTA_DATA(tb[TCPDIAG_VEGASINFO]);
@ -1355,16 +1364,22 @@ void tcp_show_info(struct nlmsghdr *nlh, struct tcpdiagmsg *r)
printf(" vegas");
if (vinfo->tcpv_rtt &&
vinfo->tcpv_rtt != 0x7fffffff &&
info->tcpi_snd_mss &&
info->tcpi_snd_cwnd) {
printf(" bw:%g",
(double) info->tcpi_snd_cwnd *
(double) info->tcpi_snd_mss *
8000000. / (double) vinfo->tcpv_rtt);
}
vinfo->tcpv_rtt != 0x7fffffff)
rtt = vinfo->tcpv_rtt;
}
#endif
if (rtt > 0 && info->tcpi_snd_mss && info->tcpi_snd_cwnd) {
printf(" send %sbps",
sprint_bw(b1, (double) info->tcpi_snd_cwnd *
(double) info->tcpi_snd_mss * 8000000.
/ rtt));
}
if (info->tcpi_rcv_rtt)
printf(" rcv_rtt:%g", (double) info->tcpi_rcv_rtt/1000);
if (info->tcpi_rcv_space)
printf(" rcv_space:%d", info->tcpi_rcv_space);
}
}
@ -1463,11 +1478,10 @@ int tcp_show_netlink(struct filter *f, FILE *dump_fp)
req.r.tcpdiag_states = f->states;
if (show_mem)
req.r.tcpdiag_ext |= (1<<(TCPDIAG_MEMINFO-1));
if (show_tcpinfo) {
req.r.tcpdiag_ext |= (1<<(TCPDIAG_INFO-1));
#ifdef TCPDIAG_VEGASINFO
req.r.tcpdiag_ext |= (1<<(TCPDIAG_VEGASINFO-1));
#endif
}
iov[0] = (struct iovec){ &req, sizeof(req) };