Stub for buffer

sf-buffer/sf_buffer.cpp

@@ -0,0 +1,66 @@
+#include <iostream>
+#include <stdexcept>
+#include <RingBuffer.hpp>
+#include <sys/socket.h>
+#include <netinet/in.h>
+
+#include "config.hpp"
+#include "jungfrau.hpp"
+
+
+using namespace std;
+
+int main (int argc, char *argv[]) {
+    if (argc != 6) {
+        cout << endl;
+        cout << "Usage: sf_buffer [device_name] [udp_port] [root_folder]";
+        cout << endl;
+        cout << "\tdevice_name: Name to write to disk.";
+        cout << "\tudp_port: UDP port to connect to." << endl;
+        cout << "\troot_folder: FS root folder." << endl;
+        cout << endl;
+
+        exit(-1);
+    }
+
+    string device_name = string(argv[1]);
+    int udp_port = atoi(argv[2]);
+    string root_folder = string(argv[3]);
+
+    auto socket_fd = socket(AF_INET, SOCK_DGRAM, 0);
+    if (socket_fd < 0) {
+        throw runtime_error("Cannot open socket.");
+    }
+
+    sockaddr_in server_address = {0};
+    server_address.sin_family = AF_INET;
+    server_address.sin_addr.s_addr = INADDR_ANY;
+    server_address.sin_port = htons(udp_port);
+
+    if(bind(socket_fd,
+            reinterpret_cast<const sockaddr *>(&server_address),
+            sizeof(server_address)) < 0) {
+        throw runtime_error("Cannot bind socket.");
+    }
+
+    struct timeval udp_socket_timeout;
+    udp_socket_timeout.tv_sec = 0;
+    udp_socket_timeout.tv_usec = 100;
+
+    setsockopt(
+            socket_fd,
+            SOL_SOCKET,
+            SO_RCVTIMEO,
+            (const char*)&udp_socket_timeout,
+            sizeof(struct timeval));
+
+    RingBuffer ring_buffer(config::ring_buffer_n_slots);
+    jungfrau_packet packet;
+
+    uint64_t last_framenum = -1;
+
+    while (true) {
+        recv(socket_fd, &packet, JUNGFRAU_BYTES_PER_PACKET, 0);
+
+    }
+}