Add multi recv to UdpReceiver

core-buffer/src/UdpReceiver.cpp

@@ -1,7 +1,7 @@
-#include <sys/socket.h>
 #include <netinet/in.h>
 #include <iostream>
 #include "UdpReceiver.hpp"
+#include "jungfrau.hpp"
 
 using namespace std;
 
@@ -70,6 +70,11 @@ void UdpReceiver::bind(const uint16_t port, const size_t usec_timeout)
             sizeof(rcvbuf_n_bytes));
 }
 
+int UdpReceiver::receive_many(mmsghdr* msgs, const size_t n_msgs)
+{
+    return recvmmsg(socket_fd_, msgs, n_msgs, MSG_DONTWAIT, 0);
+}
+
 bool UdpReceiver::receive(void* buffer, size_t buffer_n_bytes)
 {
     auto data_len = recv(socket_fd_, buffer, buffer_n_bytes, 0);
@@ -97,4 +102,4 @@ void UdpReceiver::close()
 {
     ::close(socket_fd_);
     socket_fd_ = -1;
-}
+}

core-writer/include/UdpReceiver.hpp

@@ -2,6 +2,7 @@
 #define UDPRECEIVER_H
 
 #include "config.hpp"
+#include <sys/socket.h>
 #include "RingBuffer.hpp"
 
 class UdpReceiver {
@@ -13,6 +14,8 @@ public:
     virtual ~UdpReceiver();
 
     bool receive(void* buffer, size_t buffer_n_bytes);
+    int receive_many(mmsghdr* msgs, const size_t n_msgs);
+
     void bind(
             const uint16_t port,
             const size_t usec_timeout=config::udp_usec_timeout);