static void test3(void)
{
static bit_array bits[SIZE(20)] = {0};
char2bits(bits, 0, 'B');
char2bits(bits, 8, 'C');
assert(bits2char(bits, 0) == 'B');
assert(bits2char(bits, 8) == 'C');
for (size_t i = 16; i < 20; i++) {
assert(get_bit(bits, i) == 0);
}
printf("Test3 Passed!\n");
}
//Function helps create tree header to write to compressed file
void Tree_headerHelper(TreeNode * tn, FILE * outfptr, unsigned char * whichbit, unsigned char * curbyte)
{
if (tn == NULL)
{
return;
}
TreeNode * lc = tn -> left;
TreeNode * rc = tn -> right;
if((lc == NULL) && (rc == NULL))
{
writeBit(outfptr, 1, whichbit, curbyte);
char2bits(outfptr, tn -> character, whichbit, curbyte);
return;
}
Tree_headerHelper(lc, outfptr, whichbit, curbyte);
Tree_headerHelper(rc, outfptr, whichbit, curbyte);
writeBit(outfptr, 0, whichbit, curbyte);
}
int cmd_bpdu_flags (struct cli_def *cli, const char *command, char *argv[], int argc)
{
struct mops_ext_bpdu * pd = clipkt->p_desc;
int i;
char str[16];
if ( (strcmp(argv[argc-1],"?")==0) || (argc>8) )
{
cli_print(cli, "Specify the BPDU flags by keyword.\r");
cli_print(cli, "Note that not-mentioned flags will be set to zero!\n");
cli_print(cli, "General keywords:\n");
cli_print(cli, " ack .... Topology Change Acknowledgement\r");
cli_print(cli, " tcn .... Topology Change Notification\r");
cli_print(cli, "\r");
cli_print(cli, "RSTP-specific keywords:\n");
cli_print(cli, " agree .... Agreement\r");
cli_print(cli, " prop .... Proposal\r");
cli_print(cli, " fwd .... Forward State\r");
cli_print(cli, " learn .... Learn State\r");
cli_print(cli, "\r");
cli_print(cli, " Port roles:\n");
cli_print(cli, " unknown .... Unknown\r");
cli_print(cli, " alt .... Alternate or Backup\r");
cli_print(cli, " root .... Root\r");
cli_print(cli, " desg .... Designated\r");
cli_print(cli, "\n");
return CLI_OK;
}
// 7 6 5 4 3 2 1 0
// tcnack agree fwd learn X X proposal TCN
// where XX is 00 unknown
// 01 alternate or backup
// 10 root
// 11 designated
if (argc)
{
pd->flags = 0x00; // always reset to zero (= normal Configuration BPDU)
for (i=0; i<argc; i++)
{
if (mz_strcmp(argv[i], "ack", 2)==0) pd->flags |= 0x80;
else
if (mz_strcmp(argv[i], "tcn", 2)==0) pd->flags |= 0x01;
else
if (mz_strcmp(argv[i], "agree", 2)==0) pd->flags |= 0x40;
else
if (mz_strcmp(argv[i], "fwd", 2)==0) pd->flags |= 0x20;
else
if (mz_strcmp(argv[i], "learn", 2)==0) pd->flags |= 0x10;
else
if (mz_strcmp(argv[i], "proposal", 2)==0) pd->flags |= 0x02;
else
if (mz_strcmp(argv[i], "unknown", 2)==0) pd->flags &= 0xf3;
else
if (mz_strcmp(argv[i], "alt", 2)==0) { pd->flags &= 0xf7; pd->flags |= 0x04; }
else
if (mz_strcmp(argv[i], "root", 2)==0) { pd->flags &= 0xfb; pd->flags |= 0x08; }
else
if (mz_strcmp(argv[i], "desg", 2)==0) pd->flags |= 0x0c;
}
// Feedback
char2bits(pd->flags, str);
cli_print(cli, "Flags: %s\n", str);
}
else
{
cli_print(cli, "No flags configured (use '?')\n");
}
return CLI_OK;
}
// Runs through all automops entries and dumps some basic info
// Returns the number of used protocols
//
int automops_dump_all(struct automops* list)
{
struct automops *head = list;
struct automops *cur = list;
struct fields *f=NULL;
int anzmops=0, used=0;
char str[64], ft[32];
uint32_t SA=0, DA=0;
uint8_t *x, *y;
char bits_on[18], bits_off[18];
int i=0, j=0;
do {
if (cur->used==-1) {
fprintf(stderr, "AUTOMOPS: Initial element\n");
if ((cur->next==cur)&&(cur->prev==cur))
fprintf(stderr, " No other elements found.\n");
break;
}
if (cur->used>0) used++;
anzmops++;
SA=ntohl(cur->SA); x = (uint8_t*) &SA;
DA=ntohl(cur->DA); y = (uint8_t*) &DA;
char2bits(cur->layers_on, bits_on);
char2bits(cur->layers_off, bits_off);
fprintf(stderr, "Protocol %i: %s -- %s\n"
" Layercodes: X T U I M Q S E\n"
" requires %s (0x%02x)\n"
" conflicts %s (0x%02x)\n"
" L2: EtherType=%04x, sa=%02x:%02x:%02x:%02x:%02x:%02x, da=%02x:%02x:%02x:%02x:%02x:%02x\n"
,
anzmops, cur->name, cur->desc,
bits_on, cur->layers_on, bits_off, cur->layers_off,
cur->etype, cur->sa[0], cur->sa[1], cur->sa[2], cur->sa[3], cur->sa[4], cur->sa[5],
cur->da[0], cur->da[1], cur->da[2], cur->da[3], cur->da[4], cur->da[5]);
if (cur->layers_on&MOPS_IP) {
fprintf(stderr, " IP: proto=%i, SA=%u.%u.%u.%u, DA=%u.%u.%u.%u\n",
cur->proto, *x, *(x+1), *(x+2), *(x+3), *y, *(y+1), *(y+2), *(y+3));
} else {
fprintf(stderr, " IP: ---\n");
}
// Walk through field data:
f=cur->field; j=0;
while (f!=NULL) {
j++; // count number of fields
if (verbose) {
i=0;
if (f->longdesc!=NULL) {
mz_strncpy(str, f->longdesc, 60);
if (strnlen(str,60)>=59) i=1;
}
else {
mz_strncpy(str, "-- no long description specified --", 60);
}
amp_type2str(f->type, ft);
fprintf(stderr, " %02i Field [%i] '%s' -- %s\n"
" Description: %s%s\n"
" Type: %s %s %s (%lu/%lu) {%lu..%lu..%lu} shift: %i; %i chars\n"
,f->i, f->index, f->name, f->shortdesc,
str, (i) ? "..." : "",
ft, (f->constant) ? "FIXED" : "",
(f->valname!=NULL) ? f->valname : "(no value name)" ,
(long unsigned int) f->tlv_type,
(long unsigned int) f->tlv_len,
(long unsigned int) f->min,
(long unsigned int) f->val,
(long unsigned int) f->max,
f->leftshift, f->str_s);
}
f=f->next;
}
if (verbose==0) fprintf(stderr, " %i fields defined.\n", j);
//---------------------------------
cur = cur->next;
} while (head != cur);
return used;
}
