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network: Add help text for ifconfig

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This commit is contained in:
Ralf Kirchner
2013-10-30 16:33:35 +01:00
committed by Sebastian Huber
parent 4d3e933466
commit 27545fcac8
1 changed files with 57 additions and 20 deletions
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77
cpukit/libmisc/shell/main_ifconfig.c
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@@ -27,6 +27,21 @@
#include <rtems/shell.h>
#include "internal.h"
static const char IFCONFIG_USAGE[] =
"ifconfig [iface]\n"
"ifconfig iface options | addr\n"
" iface: name of the interface\n"
" options: iface \n"
" up: bring the interface up\n"
" down: take the interface down\n"
" netmask addr: network mask\n"
" broadcast addr: boardcast address\n"
" pointopoint addr: destination address for a PTP link\n"
"\n"
" addr: IP address";
static int rtems_shell_main_ifconfig(
int argc,
char *argv[]
@@ -36,13 +51,14 @@ static int rtems_shell_main_ifconfig(
struct sockaddr_in dstaddr;
struct sockaddr_in netmask;
struct sockaddr_in broadcast;
char *iface;
char *iface = NULL;
int f_ip = 0;
int f_ptp = 0;
int f_netmask = 0;
int f_up = 0;
int f_down = 0;
int f_bcast = 0;
int f_usage = 0;
int cur_idx;
int rc;
int flags;
@@ -70,16 +86,28 @@ static int rtems_shell_main_ifconfig(
iface = NULL;
cur_idx += 1;
} else {
iface = argv[1];
if (isdigit((unsigned char)*argv[2])) {
if (inet_pton(AF_INET, argv[2], &ipaddr.sin_addr) < 0) {
printf("bad ip address: %s\n", argv[2]);
return 0;
}
f_ip = 1;
cur_idx += 3;
} else {
if ( 0 == strcmp( "--help", argv[1] ) ) {
f_usage = 1;
cur_idx += 2;
} else if ( 0 == strcmp( "-help", argv[1] ) ) {
f_usage = 1;
cur_idx += 2;
} else {
iface = argv[1];
if ( argc >= 3 ) {
if (isdigit((unsigned char)*argv[2])) {
if (inet_pton(AF_INET, argv[2], &ipaddr.sin_addr) < 0) {
printf("bad ip address: %s\n", argv[2]);
return 0;
}
f_ip = 1;
cur_idx += 3;
} else {
cur_idx += 2;
}
} else {
cur_idx += 2;
}
}
}
@@ -92,12 +120,14 @@ static int rtems_shell_main_ifconfig(
f_up = 1;
if (f_down != 0) {
printf("Can't make interface up and down\n");
return -1;
}
} else if(strcmp(argv[cur_idx], "down") == 0) {
f_down = 1;
if (f_up != 0) {
printf("Can't make interface up and down\n");
}
return -1;
}
} else if(strcmp(argv[cur_idx], "netmask") == 0) {
if ((cur_idx + 1) >= argc) {
printf("No netmask address\n");
@@ -169,14 +199,19 @@ static int rtems_shell_main_ifconfig(
printf("up\n");
} else if (f_down != 0) {
printf("down\n");
} else {
} else {
printf("\n");
}
} else if (f_usage != 0) {
printf ( "\n" );
printf ( IFCONFIG_USAGE );
}
if ((iface == NULL) || ((f_ip == 0) && (f_down == 0) && (f_up == 0))) {
rtems_bsdnet_show_if_stats();
return 0;
if ( ! f_usage ) {
if ((iface == NULL) || ((f_ip == 0) && (f_down == 0) && (f_up == 0))) {
rtems_bsdnet_show_if_stats();
return 0;
}
}
flags = 0;
@@ -218,10 +253,12 @@ static int rtems_shell_main_ifconfig(
flags |= IFF_UP;
}
rc = rtems_bsdnet_ifconfig(iface, SIOCSIFFLAGS, &flags);
if (rc < 0) {
printf("Could not set interface flags: %s\n", strerror(errno));
return -1;
if ( ! f_usage ) {
rc = rtems_bsdnet_ifconfig(iface, SIOCSIFFLAGS, &flags);
if (rc < 0) {
printf("Could not set interface flags: %s\n", strerror(errno));
return -1;
}
}
return 0;
@@ -229,7 +266,7 @@ static int rtems_shell_main_ifconfig(
rtems_shell_cmd_t rtems_shell_IFCONFIG_Command = {
"ifconfig", /* name */
"TBD", /* usage */
IFCONFIG_USAGE, /* usage */
"network", /* topic */
rtems_shell_main_ifconfig, /* command */
NULL, /* alias */