Refactor receiver. Add condition variable.

prrt/proto/receiver.h

@@ -17,6 +17,7 @@ typedef struct prrtReceiver {
     struct addrinfo *ai;
     PrrtChannelStateInformation *csi;
     pthread_mutex_t lock;
+    pthread_cond_t wait_for_space;
 
     BBR* bbr;
 
@@ -29,9 +30,6 @@ typedef struct prrtReceiver {
 
 PrrtReceiver *PrrtReceiver_create(const char *host, uint16_t port, prrtByteCount_t mss);
 
-bool PrrtReceiver_updateAndGenerateRateSample(PrrtReceiver *recv, prrtSequenceNumber_t seqnum, uint8_t packetType,
-                                              prrtTimestamp_t receiveTime, prrtTimedelta_t rtt);
-
 void PrrtReceiver_add_outstanding_packet_state(PrrtReceiver *recv, PrrtPacket *packet, prrtTimestamp_t sentTime);
 prrtByteCount_t PrrtReceiver_get_pipe(PrrtReceiver *recv);
 void PrrtReceiver_check_rto(PrrtReceiver *recv, prrtSequenceNumber_t i, prrtPacketType_t param);
@@ -39,9 +37,11 @@ void PrrtReceiver_check_rto(PrrtReceiver *recv, prrtSequenceNumber_t i, prrtPack
 void PrrtReceiver_on_application_write(PrrtReceiver *receiver, uint32_t i, prrtSequenceNumber_t i1);
 void PrrtReceiver_on_ack(PrrtReceiver *receiver, PrrtPacketFeedbackPayload *  feedbackPayload, prrtTimestamp_t receiveTime, prrtTimedelta_t rtt);
 
+void PrrtReceiver_wait_for_space(PrrtReceiver *receiver);
+
+prrtByteCount_t PrrtReceiver_get_space(PrrtReceiver *receiver);
 double PrrtReceiver_getBBRPacingRate(PrrtReceiver *receiver);
-prrtDeliveryRate_t PrrtReceiver_getBBRBtlBw(PrrtReceiver *receiver);
-prrtByteCount_t PrrtReceiver_getBBRCwnd(PrrtReceiver *receiver);
+prrtDeliveryRate_t PrrtReceiver_get_BBR_btlDr(PrrtReceiver *receiver);
 
 bool PrrtReceiver_destroy(PrrtReceiver *receiver);