UBool
AffixPatternIterator::nextToken() {
int32_t tlen = tokens->length();
if (nextTokenIndex == tlen) {
return FALSE;
}
++nextTokenIndex;
const UChar *tokenBuffer = tokens->getBuffer();
if (UNPACK_TOKEN(tokenBuffer[nextTokenIndex - 1]) ==
AffixPattern::kLiteral) {
while (nextTokenIndex < tlen &&
UNPACK_LONG(tokenBuffer[nextTokenIndex])) {
++nextTokenIndex;
}
lastLiteralLength = 0;
int32_t i = nextTokenIndex - 1;
for (; UNPACK_LONG(tokenBuffer[i]); --i) {
lastLiteralLength <<= 8;
lastLiteralLength |= UNPACK_LENGTH(tokenBuffer[i]);
}
lastLiteralLength <<= 8;
lastLiteralLength |= UNPACK_LENGTH(tokenBuffer[i]);
nextLiteralIndex += lastLiteralLength;
}
return TRUE;
}
bcm_rx_t
ab_echo_cb(cpudb_key_t src_key,
int client_id,
bcm_pkt_t *pkt,
uint8 *payload,
int payload_len,
void *cookie)
{
uint16 depth;
int async_free;
uint32 pkt_flags;
bcm_rx_t rv = BCM_RX_HANDLED;
int offset = 0;
int mode;
int len;
CallbackOptions *options = (CallbackOptions *)cookie;
if (payload == NULL) { /* Just use first segment for string */
if (pkt == NULL) {
cli_out("CT echo error: payload and pkt both NULL, cli %d\n",
client_id);
return BCM_RX_NOT_HANDLED;
}
payload = pkt->pkt_data[1].data;
len = pkt->pkt_data[1].len;
cli_out("CT echo warning: \n");
cli_out(" Segmented packet; segmentation not maintained on echo\n");
} else {
len = payload_len;
}
UNPACK_SHORT(payload, depth);
offset += sizeof(uint16);
UNPACK_LONG(payload + offset, pkt_flags);
offset += sizeof(uint32);
async_free = pkt_flags & CTE_FLAGS_ASYNC_FREE;
mode = client_id - ECHO_BASE_CLI_ID;
if (mode < 0 || mode > 4) {
cli_out("CT echo error: Bad client id: %d\n", client_id);
return BCM_RX_NOT_HANDLED;
}
if (sal_strlen((char *)&payload[offset]) > len) {
cli_out("CT echo error: Unterminated string in first segment\n");
return BCM_RX_HANDLED;
}
if (_shr_crc32(~0, payload, len) != _SHR_CRC32_CORRECT) {
cli_out("CT echo error: Echo payload CRC failure.\n");
}
if (options->verbose) {
cli_out("%s echo request from " CPUDB_KEY_FMT ": %s\n",
cte_mode_list[mode],
CPUDB_KEY_DISP(src_key),
&payload[offset]);
cli_out(" Depth %d, flags 0x%x, len %d. (total %d)\n",
depth, pkt_flags, len - offset, payload_len);
}
if (depth > 0) {
/* Return echo: one less depth, clear async flag */
pkt_flags &= ~CTE_FLAGS_ASYNC_FREE;
pkt_flags &= ~CTE_FLAGS_CRC_REGEN;
_send_echo_pkt(client_id, payload, len, depth - 1,
pkt_flags, mode, options->verbose, src_key, NULL);
}
if (async_free) {
rv = BCM_RX_HANDLED_OWNED;
sal_dpc(echo_free_buf, payload, pkt, NULL, NULL, NULL);
} else {
rv = BCM_RX_HANDLED;
}
return rv;
}
