Fully working FEC receiver, while implementing FEC I fixed some errors in the packet_interface.c

src/packet_interface.c

@@ -100,7 +100,7 @@ pkt_status_code pkt_decode_data_fec(const char *data, const size_t len, pkt_t *p
     @brief : We don't check the checksum and the window here
     **/
     uint32_t crc2;
-    if ( type == PTYPE_DATA && (data[0] & TR_MASK ) == 0 && payload_length > 0 )
+    if ((data[0] & TR_MASK ) == 0 && payload_length > 0 )
     {
         memcpy((void *) &crc2, &data[12+payload_length], 4);
         crc2 = ntohl((uint32_t) crc2);

src/receiver_utils.c

@@ -309,8 +309,6 @@ int potential_usage_of_fec(receiver_state_t * state, const pkt_t * pkt)
     uint16_t missing_data_seqnum = 0;
     if ( can_fec_be_used(state, fec_seqnum, &missing_data_seqnum) )
     {
-        DEBUG("Going to use FEC packet with seqnum %d to recover data packet with seqnum %d", 
-                fec_seqnum, missing_data_seqnum);
         if ( use_fec(state, pkt, missing_data_seqnum) != 0 ) return -1;
     } else
     {