Refactor out pace method.

prrt/proto/processes/dataTransmitter.c

@@ -77,22 +77,8 @@ static bool send_packet(PrrtSocket *sock_ptr, PrrtPacket *packet) {
     uint8_t buf[MAX_PAYLOAD_LENGTH];
     memset(buf, 0, sizeof(buf));
     prrtPacketLength_t length = PrrtPacket_size(packet);
-
     prrtPacketLength_t payloadLength = packet->payloadLength;
-    if (sock_ptr->pacingEnabled && sock_ptr->nextSendTime != 0) {
-        debug(DEBUG_DATATRANSMITTER, "About to check for pacing.");
-        prrtTimeDifference_t diff = 0;
-        do {
-            prrtTimeDifference_t now = (prrtTimeDifference_t) PrrtClock_get_current_time_us();
-            diff = ((prrtTimeDifference_t) sock_ptr->nextSendTime) - now;
-            if (diff > 0) {
-                debug(DEBUG_DATATRANSMITTER, "S: %u, Pacing for %d (%u).", packet->sequenceNumber, diff, now);
-                usleep_nano((uint32_t) diff);
-            }
-        } while (diff > 0);
-    } else {
-        usleep_nano(1);
-    }
+    PrrtSocket_pace(sock_ptr);
 
     int64_t space = PrrtReceiver_get_space(sock_ptr->receiver);
     while (space < sock_ptr->maximum_payload_size) {

prrt/proto/socket.c

@@ -252,6 +252,22 @@ bool PrrtSocket_closing(PrrtSocket *s) {
     return atomic_load_explicit(&s->closing, memory_order_acquire);
 }
 
+void inline PrrtSocket_pace(PrrtSocket *s) {
+    if (s->pacingEnabled && s->nextSendTime != 0) {
+        debug(DEBUG_DATATRANSMITTER, "About to check for pacing.");
+        prrtTimeDifference_t diff = 0;
+        do {
+            prrtTimeDifference_t now = (prrtTimeDifference_t) PrrtClock_get_current_time_us();
+            diff = ((prrtTimeDifference_t) s->nextSendTime) - now;
+            if (diff > 0) {
+                usleep_nano((uint32_t) diff);
+            }
+        } while (diff > 0);
+    } else {
+        usleep_nano(1);
+    }
+}
+
 int32_t PrrtSocket_receive_asap(PrrtSocket *s, void *buf_ptr, struct sockaddr* addr) {
     PrrtPacket *packet;
     packet = PrrtPacketDeliveryStore_get_packet(s->packetDeliveryStore, 0, MAX_TIMESTAMP);

prrt/proto/socket.h

@@ -125,6 +125,7 @@ int32_t PrrtSocket_receive_ordered(PrrtSocket *s, void *buf_ptr, struct sockaddr
 int32_t PrrtSocket_receive_ordered_wait(PrrtSocket *s, void *buf_ptr, struct sockaddr* addr, prrtTimedelta_t time_window_us);
 int32_t PrrtSocket_receive_ordered_timedwait(PrrtSocket *s, void *buf_ptr, struct sockaddr* addr, prrtTimedelta_t time_window_us, struct timespec* deadline);
 
+void inline PrrtSocket_pace(PrrtSocket *s);
 
 bool PrrtSocket_cleanup(PrrtSocket *s);