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#include "vat.h"
vat_main_t vat_main;
void
vat_suspend (vlib_main_t * vm, f64 interval)
{
vlib_process_suspend (vm, interval);
}
static u8 *
format_api_error (u8 * s, va_list * args)
{
vat_main_t *vam = va_arg (*args, vat_main_t *);
i32 error = va_arg (*args, u32);
uword *p;
p = hash_get (vam->error_string_by_error_number, -error);
if (p)
s = format (s, "%s", p[0]);
else
s = format (s, "%d", error);
return s;
}
static void
init_error_string_table (vat_main_t * vam)
{
vam->error_string_by_error_number = hash_create (0, sizeof (uword));
#define _(n,v,s) hash_set (vam->error_string_by_error_number, -v, s);
foreach_vnet_api_error;
#undef _
hash_set (vam->error_string_by_error_number, 99, "Misc");
}
static clib_error_t *
api_main_init (vlib_main_t * vm)
{
vat_main_t *vam = &vat_main;
int rv;
int vat_plugin_init (vat_main_t * vam);
vam->vlib_main = vm;
vam->my_client_index = (u32) ~ 0;
/* Ensure that vam->inbuf is never NULL */
vec_validate (vam->inbuf, 0);
init_error_string_table (vam);
rv = vat_plugin_init (vam);
if (rv)
clib_warning ("vat_plugin_init returned %d", rv);
return 0;
}
VLIB_INIT_FUNCTION (api_main_init);
void
vat_plugin_hash_create (void)
{
vat_main_t *vam = &vat_main;
vam->sw_if_index_by_interface_name = hash_create_string (0, sizeof (uword));
vam->function_by_name = hash_create_string (0, sizeof (uword));
vam->help_by_name = hash_create_string (0, sizeof (uword));
}
static clib_error_t *
api_command_fn (vlib_main_t * vm,
unformat_input_t * input, vlib_cli_command_t * cmd)
{
vat_main_t *vam = &vat_main;
unformat_input_t _input;
uword c;
u8 *cmdp, *argsp, *this_cmd;
uword *p;
u32 arg_len;
int rv;
int (*fp) (vat_main_t *);
api_main_t *am = &api_main;
vam->vl_input_queue = am->shmem_hdr->vl_input_queue;
/* vec_validated in the init routine */
_vec_len (vam->inbuf) = 0;
vam->input = &_input;
while (((c = unformat_get_input (input)) != '\n') &&
(c != UNFORMAT_END_OF_INPUT))
vec_add1 (vam->inbuf, c);
/* Null-terminate the command */
vec_add1 (vam->inbuf, 0);
/* In case no args given */
vec_add1 (vam->inbuf, 0);
/* Split input into cmd + args */
this_cmd = cmdp = vam->inbuf;
/* Skip leading whitespace */
while (cmdp < (this_cmd + vec_len (this_cmd)))
{
if (*cmdp == ' ' || *cmdp == '\t' || *cmdp == '\n')
{
cmdp++;
}
else
break;
}
argsp = cmdp;
/* Advance past the command */
while (argsp < (this_cmd + vec_len (this_cmd)))
{
if (*argsp != ' ' && *argsp != '\t' && *argsp != '\n' && *argsp != 0)
{
argsp++;
}
else
break;
}
/* NULL terminate the command */
*argsp++ = 0;
/* No arguments? Ensure that argsp points to a proper (empty) string */
if (argsp == (this_cmd + vec_len (this_cmd) - 1))
argsp[0] = 0;
else
while (argsp < (this_cmd + vec_len (this_cmd)))
{
if (*argsp == ' ' || *argsp == '\t' || *argsp == '\n')
{
argsp++;
}
else
break;
}
/* Blank input line? */
if (*cmdp == 0)
return 0;
p = hash_get_mem (vam->function_by_name, cmdp);
if (p == 0)
{
return clib_error_return (0, "'%s': function not found\n", cmdp);
}
arg_len = strlen ((char *) argsp);
unformat_init_string (vam->input, (char *) argsp, arg_len);
fp = (void *) p[0];
rv = (*fp) (vam);
if (rv < 0)
{
unformat_free (vam->input);
return clib_error_return (0,
"%s error: %U\n", cmdp,
format_api_error, vam, rv);
}
if (vam->regenerate_interface_table)
{
vam->regenerate_interface_table = 0;
api_sw_interface_dump (vam);
}
unformat_free (vam->input);
return 0;
}
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (api_command, static) =
{
.path = "binary-api",
.short_help = "binary-api [help] <name> [<args>]",
.function = api_command_fn,
};
/* *INDENT-ON* */
void
api_cli_output (void *notused, const char *fmt, ...)
{
va_list va;
vat_main_t *vam = &vat_main;
vlib_main_t *vm = vam->vlib_main;
vlib_process_t *cp = vlib_get_current_process (vm);
u8 *s;
va_start (va, fmt);
s = va_format (0, fmt, &va);
va_end (va);
/* Terminate with \n if not present. */
if (vec_len (s) > 0 && s[vec_len (s) - 1] != '\n')
vec_add1 (s, '\n');
if ((!cp) || (!cp->output_function))
fformat (stdout, "%v", s);
else
cp->output_function (cp->output_function_arg, s, vec_len (s));
vec_free (s);
}
u16
vl_client_get_first_plugin_msg_id (const char *plugin_name)
{
api_main_t *am = &api_main;
vl_api_msg_range_t *rp;
uword *p;
p = hash_get_mem (am->msg_range_by_name, plugin_name);
if (p == 0)
return ~0;
rp = vec_elt_at_index (am->msg_ranges, p[0]);
return (rp->first_msg_id);
}
uword
unformat_sw_if_index (unformat_input_t * input, va_list * args)
{
u32 *result = va_arg (*args, u32 *);
vnet_main_t *vnm = vnet_get_main ();
u32 sw_if_index = ~0;
if (unformat (input, "%U", unformat_vnet_sw_interface, vnm, &sw_if_index))
{
*result = sw_if_index;
return 1;
}
return 0;
}
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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