/**
* return -1 incomplete command;
* current index;
*/
int parseBulkString(struct WData *wdata, int start){
log4c_category_log(mycat, LOG4C_PRIORITY_ERROR, "parse bulk string at line %d in file %s, %s", __LINE__, __FILE__, wdata->data);
int index = start;
index++;
int item_len = 0;
int data_start;
while(wdata->data[index] != '\r' && index < wdata->len){
item_len = item_len * 10 + wdata->data[index] - '0';
index++;
}
if(index >= wdata->len){
saveToBuf(wdata, start, &buf_slave_answer);
return -1;
}
index++;
data_start = index + 1;
index += item_len + 2;
index++;
if(index > wdata->len){
saveToBuf(wdata, start, &buf_slave_answer);
return -1;
}
char *saveData = (char*)calloc(item_len + 1, sizeof(char));
strncpy(saveData, wdata->data+ data_start, item_len);
if(saveData == 0){
log4c_category_log(mycat, LOG4C_PRIORITY_ERROR, "post data empty at line %d in file %s", __LINE__, __FILE__);
}
popHandle(saveData);
return index;
}
/*
* return -1 incomplete command
*/
int parseSimple(struct WData *wdata, int start){
int index = start;
index++;
int error_start = index;
int exist = 0;
while( index < wdata->len){
if(wdata->data[index] == '\n'){
exist = 1;
break;
}
index++;
}
if(exist == 1){
char *cmd = (char*)calloc(index - start + 1, sizeof(char));
strncpy(cmd, &wdata->data[error_start], index + 1 - start);
if(wdata->data[index] == '-' ){
DataType e = pop_cir_queue(&q);
log4c_category_log(mycat, LOG4C_PRIORITY_ERROR, "pop %s receive error %s at line %d in file %s", e, cmd, __LINE__, __FILE__);
}
else{
if(index - start > 5){
DataType e = pop_cir_queue(&q);
log4c_category_log(mycat, LOG4C_PRIORITY_ERROR, "pop %s receive string %s at line %d in file %s", e, cmd, __LINE__, __FILE__);
}
}
free(cmd);
return index + 1;
}
else{
saveToBuf(wdata, start, &buf_slave_answer);
return -1;
}
}
/**
* @brief RX routine
*/
void DPDKAdapter::rxRoutine()
{
uint8_t pkt = 0;
uint8_t rxPktCount = 0;
uint8_t devId = 0;
uint8_t lcoreId = rte_lcore_id();
LcoreInfo& coreInfo = cores[lcoreId];
for(PortList_t::iterator itor = coreInfo.rxPortList.begin(); itor != coreInfo.rxPortList.end(); itor++)
{
devId = *itor;
DeviceInfo& devInfo = devices[devId];
struct rte_eth_dev *dev = &rte_eth_devices[devId];
if(!dev || !dev->data->dev_started)
{
continue;
}
rxPktCount = rte_eth_rx_burst(devId, 0, devInfo.rxBurstBuf, DPDK_RX_MAX_PKT_BURST);
if(isRxStarted(devId))
{
saveToBuf(devId, devInfo.rxBurstBuf, rxPktCount);
}
for(pkt = 0; pkt < rxPktCount; pkt++)
{
rte_pktmbuf_free(devInfo.rxBurstBuf[pkt]);
}
}
}
/*
* return current index;
* -1 incomplete command;
*/
int parseArray(struct WData *wdata, int start){
int index = start;
index++;
if(index >= wdata->len){
saveToBuf(wdata, start, &buf_slave_answer);
return -1;
}
int array_len = 0;
int enter = 0;
while(wdata->data[index] != '\r' && index < wdata->len){
array_len = array_len * 10 + wdata->data[index] - '0';
index++;
enter = 1;
if(index >= wdata->len){
saveToBuf(wdata, start, &buf_slave_answer);
return -1;
}
}
index += 2;
if(index > wdata->len || (index == wdata->len && array_len > 0)){
saveToBuf(wdata, start, &buf_slave_answer);
return -1;
}
char *item_key;
char *item_value;
json_t *object = json_object();
while(array_len > 0){
if(wdata->data[index] != '$'){
log4c_category_log(mycat, LOG4C_PRIORITY_ERROR, "unexpected data, index %d, start %d, wdata->len %d, index value %c at line %d in file %s, data %s",index, start, wdata->len, wdata->data[index], __LINE__, __FILE__, wdata->data);
printf("2unexpected data, index %d, start %d, wdata->len %d, index %d\n", index, start, wdata->len, wdata->data[index]);
int i;
for(i = start; i <= index; i++)
printf("%c", wdata->data[i]);
for(i = index + 1; i< wdata->len; i++)
printf("%c", wdata->data[i]);
exit(1);
}
index++;
if(index >= wdata->len){
saveToBuf(wdata, start, &buf_slave_answer);
json_decref(object);
return -1;
}
int item_len = 0;
int item_start;
while(wdata->data[index] != '\r' && index < wdata->len){
item_len = item_len * 10 + wdata->data[index] - '0';
index++;
}
if(index >= wdata->len){
saveToBuf(wdata, start, &buf_slave_answer);
json_decref(object);
return -1;
}
index++;
item_start = index + 1;
index += item_len + 2;
index++;
if(index > wdata->len || (index == wdata->len && array_len > 1)){
saveToBuf(wdata, start, &buf_slave_answer);
json_decref(object);
return -1;
}
if(item_len > 0){
if(array_len %2 == 0){
item_key = (char*)calloc(item_len + 1, sizeof(char));
strncpy(item_key, wdata->data + item_start, item_len);
}
else{
item_value = (char*)calloc(item_len + 1, sizeof(char));
strncpy(item_value, wdata->data + item_start, item_len);
if(item_key && item_value){
json_t *item_json;
item_json = json_string(item_value);
free(item_value);
json_object_set(object, item_key, item_json);
json_decref(item_json);
free(item_key);
}
else{
log4c_category_log(mycat, LOG4C_PRIORITY_ERROR, "item key is null or item value is null at line %d in file %s", __LINE__, __FILE__);
}
}
}
array_len--;
}
popHandle(object);
return index;
}
