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;
-}
+}