diff -up net-tools-2.0/lib/interface.c.cycle net-tools-2.0/lib/interface.c
--- net-tools-2.0/lib/interface.c.cycle 2015-08-29 08:59:31.000000000 +0200
+++ net-tools-2.0/lib/interface.c 2015-09-15 18:09:54.089697132 +0200
@@ -93,6 +93,7 @@ int if_list_all = 0; /* do we have reque
static struct interface *int_list, *int_last;
static int if_readlist_proc(const char *);
+static int if_readlist_rep(const char *, struct interface *);
static struct interface *if_cache_add(const char *name)
{
@@ -138,11 +139,14 @@ struct interface *lookup_interface(const
int for_all_interfaces(int (*doit) (struct interface *, void *), void *cookie)
{
struct interface *ife;
+ int err;
if (!if_list_all && (if_readlist() < 0))
return -1;
for (ife = int_list; ife; ife = ife->next) {
- int err = doit(ife, cookie);
+ if_readlist_rep(ife->name, ife);
+ err = doit(ife, cookie);
+
if (err)
return err;
}
@@ -379,6 +383,41 @@ static int if_readlist_proc(const char *
fclose(fh);
return err;
}
+
+static int if_readlist_rep(const char *target, struct interface *ife)
+{
+ FILE *fh;
+ char buf[512];
+ int err;
+
+ fh = fopen(_PATH_PROCNET_DEV, "r");
+ if (!fh) {
+ fprintf(stderr, _("Warning: cannot open %s (%s). Limited output.\n"),
+ _PATH_PROCNET_DEV, strerror(errno));
+ return if_readconf();
+ }
+ fgets(buf, sizeof buf, fh); /* eat line */
+ fgets(buf, sizeof buf, fh);
+
+ procnetdev_vsn = procnetdev_version(buf);
+
+ err = 0;
+ while (fgets(buf, sizeof buf, fh)) {
+ char *s, name[IFNAMSIZ];
+ s = get_name(name, buf);
+ get_dev_fields(s, ife);
+ ife->statistics_valid = 1;
+ if (target && !strcmp(target,name))
+ break;
+ }
+ if (ferror(fh)) {
+ perror(_PATH_PROCNET_DEV);
+ err = -1;
+ }
+
+ fclose(fh);
+ return err;
+}
int if_readlist(void)
{
diff -up net-tools-2.0/man/en_US/netstat.8.cycle net-tools-2.0/man/en_US/netstat.8
--- net-tools-2.0/man/en_US/netstat.8.cycle 2015-08-29 08:59:31.000000000 +0200
+++ net-tools-2.0/man/en_US/netstat.8 2015-09-15 18:09:54.090697129 +0200
@@ -36,6 +36,7 @@ netstat \- Print network connections, ro
.RB [ \-\-verbose | \-v ]
.RB [ \-\-continuous | \-c]
.RB [ \-\-wide | \-W ]
+.RB [delay]
.P
.B netstat
.RB { \-\-route | \-r }
@@ -45,6 +46,7 @@ netstat \- Print network connections, ro
.RB [ \-\-numeric | \-n ]
.RB [ \-\-numeric\-hosts "] [" \-\-numeric\-ports "] [" \-\-numeric\-users ]
.RB [ \-\-continuous | \-c ]
+.RB [delay]
.P
.B netstat
.RB { \-\-interfaces | \-i }
@@ -55,12 +57,14 @@ netstat \- Print network connections, ro
.RB [ \-\-numeric | \-n ]
.RB [ \-\-numeric-hosts "] [" \-\-numeric-ports "] [" \-\-numeric-users ]
.RB [ \-\-continuous | \-c ]
+.RB [delay]
.P
.B netstat
.RB { \-\-groups | \-g }
.RB [ \-\-numeric | \-n ]
.RB [ \-\-numeric\-hosts "] [" \-\-numeric\-ports "] [" \-\-numeric\-users ]
.RB [ \-\-continuous | \-c ]
+.RB [delay]
.P
.B netstat
.RB { \-\-masquerade | \-M }
@@ -68,6 +72,7 @@ netstat \- Print network connections, ro
.RB [ \-\-numeric | \-n ]
.RB [ \-\-numeric\-hosts "] [" \-\-numeric\-ports "] [" \-\-numeric\-users ]
.RB [ \-\-continuous | \-c ]
+.RB [delay]
.P
.B netstat
.RB { \-\-statistics | -s }
@@ -76,6 +81,7 @@ netstat \- Print network connections, ro
.RB [ \-\-udplite | \-U ]
.RB [ \-\-sctp | \-S ]
.RB [ \-\-raw | \-w ]
+.RB [delay]
.P
.B netstat
.RB { \-\-version | \-V }
@@ -208,6 +214,10 @@ option, show interfaces that are not up
Print routing information from the FIB. (This is the default.)
.SS "\-C"
Print routing information from the route cache.
+.SS delay
+Netstat will cycle printing through statistics every
+.B delay
+seconds.
.P
.SH OUTPUT
.P
diff -up net-tools-2.0/netstat.c.cycle net-tools-2.0/netstat.c
--- net-tools-2.0/netstat.c.cycle 2015-08-29 08:59:31.000000000 +0200
+++ net-tools-2.0/netstat.c 2015-09-15 18:09:54.090697129 +0200
@@ -115,8 +115,8 @@
#endif
/* prototypes for statistics.c */
-void parsesnmp(int, int, int, int);
-void parsesnmp6(int, int, int);
+int parsesnmp(int, int, int, int);
+int parsesnmp6(int, int, int);
typedef enum {
SS_FREE = 0, /* not allocated */
@@ -340,10 +340,10 @@ static void prg_cache_clear(void)
prg_cache_loaded = 0;
}
-static void wait_continous(void)
+static void wait_continous(int reptimer)
{
fflush(stdout);
- sleep(1);
+ sleep(reptimer);
}
static int extract_type_1_socket_inode(const char lname[], unsigned long * inode_p) {
@@ -1892,6 +1892,8 @@ static int rfcomm_info(void)
static int iface_info(void)
{
+ static int count=0;
+
if (skfd < 0) {
if ((skfd = sockets_open(0)) < 0) {
perror("socket");
@@ -1901,20 +1903,21 @@ static int iface_info(void)
}
if (flag_exp < 2) {
ife_short = 1;
- printf(_("Iface MTU RX-OK RX-ERR RX-DRP RX-OVR TX-OK TX-ERR TX-DRP TX-OVR Flg\n"));
+ if(!(count % 8))
+ printf(_("Iface MTU RX-OK RX-ERR RX-DRP RX-OVR TX-OK TX-ERR TX-DRP TX-OVR Flg\n"));
}
if (for_all_interfaces(do_if_print, &flag_all) < 0) {
perror(_("missing interface information"));
exit(1);
}
- if (flag_cnt)
+ if (!flag_cnt) {
if_cache_free();
- else {
close(skfd);
skfd = -1;
}
+ count++;
return 0;
}
@@ -1930,7 +1933,7 @@ static void usage(void)
{
fprintf(stderr, _("usage: netstat [-vWeenNcCF] [<Af>] -r netstat {-V|--version|-h|--help}\n"));
fprintf(stderr, _(" netstat [-vWnNcaeol] [<Socket> ...]\n"));
- fprintf(stderr, _(" netstat { [-vWeenNac] -i | [-cnNe] -M | -s [-6tuw] }\n\n"));
+ fprintf(stderr, _(" netstat { [-vWeenNac] -i | [-cnNe] -M | -s [-6tuw] } [delay]\n\n"));
fprintf(stderr, _(" -r, --route display routing table\n"));
fprintf(stderr, _(" -i, --interfaces display interface table\n"));
@@ -1972,6 +1975,7 @@ int main
(int argc, char *argv[]) {
int i;
int lop;
+ int reptimer = 1;
static struct option longopts[] =
{
AFTRANS_OPTS,
@@ -2154,6 +2158,12 @@ int main
flag_sta++;
}
+ if(argc == optind + 1) {
+ if((reptimer = atoi(argv[optind])) <= 0)
+ usage();
+ flag_cnt++;
+ }
+
if (flag_int + flag_rou + flag_mas + flag_sta > 1)
usage();
@@ -2183,7 +2193,7 @@ int main
flag_not & FLAG_NUM_PORT, flag_exp);
if (i || !flag_cnt)
break;
- wait_continous();
+ wait_continous(reptimer);
}
#else
ENOSUPP("netstat", "FW_MASQUERADE");
@@ -2196,15 +2206,16 @@ int main
if (!afname[0])
safe_strncpy(afname, DFLT_AF, sizeof(afname));
+ for (;;) {
if (!strcmp(afname, "inet")) {
#if HAVE_AFINET
- parsesnmp(flag_raw, flag_tcp, flag_udp, flag_sctp);
+ i = parsesnmp(flag_raw, flag_tcp, flag_udp, flag_sctp);
#else
ENOSUPP("netstat", "AF INET");
#endif
} else if(!strcmp(afname, "inet6")) {
#if HAVE_AFINET6
- parsesnmp6(flag_raw, flag_tcp, flag_udp);
+ i = parsesnmp6(flag_raw, flag_tcp, flag_udp);
#else
ENOSUPP("netstat", "AF INET6");
#endif
@@ -2212,7 +2223,11 @@ int main
printf(_("netstat: No statistics support for specified address family: %s\n"), afname);
exit(1);
}
- exit(0);
+ if(i || !flag_cnt)
+ break;
+ sleep(reptimer);
+ }
+ return (i);
}
if (flag_rou) {
@@ -2234,7 +2249,7 @@ int main
i = route_info(afname, options);
if (i || !flag_cnt)
break;
- wait_continous();
+ wait_continous(reptimer);
}
return (i);
}
@@ -2243,7 +2258,7 @@ int main
i = iface_info();
if (!flag_cnt || i)
break;
- wait_continous();
+ wait_continous(reptimer);
}
return (i);
}
@@ -2430,7 +2445,7 @@ int main
if (!flag_cnt || i)
break;
- wait_continous();
+ wait_continous(reptimer);
prg_cache_clear();
}
return (i);
diff -up net-tools-2.0/statistics.c.cycle net-tools-2.0/statistics.c
--- net-tools-2.0/statistics.c.cycle 2015-08-29 08:59:31.000000000 +0200
+++ net-tools-2.0/statistics.c 2015-09-15 18:10:34.608582779 +0200
@@ -527,7 +527,7 @@ static void process_fd2(FILE *f, const c
}
}
-void parsesnmp(int flag_raw, int flag_tcp, int flag_udp, int flag_sctp)
+int parsesnmp(int flag_raw, int flag_tcp, int flag_udp, int flag_sctp)
{
FILE *f;
@@ -536,14 +536,17 @@ void parsesnmp(int flag_raw, int flag_tc
f = proc_fopen("/proc/net/snmp");
if (!f) {
perror(_("cannot open /proc/net/snmp"));
- return;
+ return(1);
}
if (process_fd(f, 1, NULL) < 0)
fprintf(stderr, _("Problem while parsing /proc/net/snmp\n"));
- if (ferror(f))
+ if (ferror(f)) {
perror("/proc/net/snmp");
+ fclose(f);
+ return(1);
+ }
fclose(f);
@@ -553,8 +556,11 @@ void parsesnmp(int flag_raw, int flag_tc
if (process_fd(f, 1, NULL) <0)
fprintf(stderr, _("Problem while parsing /proc/net/netstat\n"));
- if (ferror(f))
- perror("/proc/net/netstat");
+ if (ferror(f)) {
+ perror("/proc/net/netstat");
+ fclose(f);
+ return(1);
+ }
fclose(f);
}
@@ -567,9 +573,10 @@ void parsesnmp(int flag_raw, int flag_tc
fclose(f);
}
}
+ return(0);
}
-void parsesnmp6(int flag_raw, int flag_tcp, int flag_udp)
+int parsesnmp6(int flag_raw, int flag_tcp, int flag_udp)
{
FILE *f;
@@ -578,7 +585,7 @@ void parsesnmp6(int flag_raw, int flag_t
f = fopen("/proc/net/snmp6", "r");
if (!f) {
perror(_("cannot open /proc/net/snmp6"));
- return;
+ return(1);
}
process6_fd(f);
if (ferror(f))
@@ -588,11 +595,14 @@ void parsesnmp6(int flag_raw, int flag_t
f = fopen("/proc/net/snmp", "r");
if (!f) {
perror(_("cannot open /proc/net/snmp"));
- return;
+ return(1);
}
process_fd(f, 0, "Tcp");
- if (ferror(f))
+ if (ferror(f)) {
perror("/proc/net/snmp");
+ return(1);
+ }
fclose(f);
+ return(0);
}