void ipv4_exec_reply_get_addr(struct finsFrame *ff, uint64_t src_mac, uint64_t dst_mac) {
PRINT_DEBUG("Entered: ff=%p, src_mac=%llx, dst_mac=%llx", ff, src_mac, dst_mac);
struct ip4_store *store = store_list_find(ff->ctrlFrame.serial_num);
if (store) {
store_list_remove(store);
metadata *params = store->ff->metaData;
uint32_t ether_type = IP4_ETH_TYPE;
metadata_writeToElement(params, "send_dst_mac", &dst_mac, META_TYPE_INT64);
metadata_writeToElement(params, "send_src_mac", &src_mac, META_TYPE_INT64);
metadata_writeToElement(params, "send_ether_type", ðer_type, META_TYPE_INT32);
PRINT_DEBUG("recv frame: dst=0x%12.12llx, src=0x%12.12llx, type=0x%x", dst_mac, src_mac, ether_type);
//print_finsFrame(fins_frame);
ipv4_to_switch(store->ff);
store->ff = NULL;
store_free(store);
freeFinsFrame(ff);
} else {
PRINT_ERROR("todo error");
//TODO error sending back FDF as FCF? saved pdu for that
}
}
int jinni_UDP_to_fins(u_char *dataLocal,int len,uint16_t dstport,uint32_t dst_IP_netformat,
uint16_t hostport,uint32_t host_IP_netformat)
{
struct finsFrame *ff= (struct finsFrame *) malloc(sizeof (struct finsFrame));
metadata *udpout_meta = (metadata *)malloc(sizeof(metadata));
PRINT_DEBUG();
metadata_create(udpout_meta);
if ( udpout_meta == NULL )
{
PRINT_DEBUG("metadata creation failed");
free(ff);
exit(1);
}
/** metadata_writeToElement() set the value of an element if it already exist
* or it creates the element and set its value in case it is new
*/
PRINT_DEBUG("%d, %d, %d, %d", dstport,dst_IP_netformat,hostport,
host_IP_netformat);
uint32_t dstprt= dstport;
uint32_t hostprt = hostport;
metadata_writeToElement(udpout_meta,"dstport",&dstport,META_TYPE_INT);
metadata_writeToElement(udpout_meta,"srcport",&hostport,META_TYPE_INT);
metadata_writeToElement(udpout_meta,"dstip",&dst_IP_netformat,META_TYPE_INT);
metadata_writeToElement(udpout_meta,"srcip",&host_IP_netformat,META_TYPE_INT);
ff->dataOrCtrl = DATA;
/**TODO get the address automatically by searching the local copy of the
* switch table
*/
ff->destinationID.id = UDPID;
ff->destinationID.next = NULL;
(ff->dataFrame).directionFlag = DOWN;
(ff->dataFrame).pduLength = len;
(ff->dataFrame).pdu = dataLocal;
(ff->dataFrame).metaData = udpout_meta ;
/**TODO insert the frame into jinni_to_switch queue
* check if insertion succeeded or not then
* return 1 on success, or -1 on failure
* */
PRINT_DEBUG("");
sem_wait(&Jinni_to_Switch_Qsem);
if (write_queue(ff,Jinni_to_Switch_Queue))
{
sem_post(&Jinni_to_Switch_Qsem);
PRINT_DEBUG("");
return(1);
}
sem_post(&Jinni_to_Switch_Qsem);
PRINT_DEBUG("");
return(0);
}
void ipv4_exec_reply(struct finsFrame *ff) {
PRINT_DEBUG("Entered: ff=%p, meta=%p", ff, ff->metaData);
int ret = 0;
metadata *params = ff->metaData;
if (params) {
switch (ff->ctrlFrame.param_id) {
case EXEC_ARP_GET_ADDR:
PRINT_DEBUG("param_id=EXEC_ARP_GET_ADDR (%d)", ff->ctrlFrame.param_id);
if (ff->ctrlFrame.ret_val) {
uint64_t src_mac, dst_mac;
ret += metadata_readFromElement(params, "src_mac", &src_mac) == META_FALSE;
ret += metadata_readFromElement(params, "dst_mac", &dst_mac) == META_FALSE;
if (ret) {
PRINT_ERROR("ret=%d", ret);
//TODO send nack
} else {
//ipv4_exec_reply_get_addr(ff, src_mac, dst_mac);
struct ip4_store *store = store_list_find(ff->ctrlFrame.serial_num);
if (store) {
PRINT_DEBUG("store=%p, ff=%p, serial_num=%u", store, store->ff, store->serial_num);
store_list_remove(store);
uint32_t ether_type = IP4_ETH_TYPE;
metadata_writeToElement(store->ff->metaData, "send_ether_type", ðer_type, META_TYPE_INT32);
metadata_writeToElement(store->ff->metaData, "send_dst_mac", &dst_mac, META_TYPE_INT64);
metadata_writeToElement(store->ff->metaData, "send_src_mac", &src_mac, META_TYPE_INT64);
PRINT_DEBUG("recv frame: dst=0x%12.12llx, src=0x%12.12llx, type=0x%x", dst_mac, src_mac, ether_type);
//print_finsFrame(fins_frame);
ipv4_to_switch(store->ff);
store->ff = NULL;
store_free(store);
freeFinsFrame(ff);
} else {
PRINT_ERROR("todo error");
}
}
} else {
//TODO error sending back FDF as FCF? saved pdu for that
PRINT_ERROR("todo error");
}
break;
default:
PRINT_ERROR("Error unknown param_id=%d", ff->ctrlFrame.param_id);
//TODO implement?
freeFinsFrame(ff);
break;
}
} else {
//TODO send nack
PRINT_ERROR("Error fcf.metadata==NULL");
freeFinsFrame(ff);
}
}
