Add jf-assembler executable

This service reconstructs the various modules and sends out a
image metadata stream for further consumers.

jf-assembler/src/main.cpp

@@ -0,0 +1,50 @@
+#include <iostream>
+#include <string>
+#include <zmq.h>
+#include <RamBuffer.hpp>
+#include <BufferUtils.hpp>
+#include <AssemblerStats.hpp>
+
+#include "buffer_config.hpp"
+#include "assembler_config.hpp"
+#include "ZmqPulseSyncReceiver.hpp"
+
+using namespace std;
+using namespace buffer_config;
+using namespace assembler_config;
+
+int main (int argc, char *argv[])
+{
+    if (argc != 2) {
+        cout << endl;
+        cout << "Usage: jf_assembler [detector_json_filename]" << endl;
+        cout << "\tdetector_json_filename: detector config file path." << endl;
+        cout << endl;
+
+        exit(-1);
+    }
+
+    auto config = BufferUtils::read_json_config(string(argv[1]));
+    auto const stream_name = "assembler";
+
+    string RECV_IPC_URL = BUFFER_LIVE_IPC_URL + config.detector_name + "-";
+    auto ctx = zmq_ctx_new();
+    zmq_ctx_set(ctx, ZMQ_IO_THREADS, ASSEMBLER_ZMQ_IO_THREADS);
+
+    ZmqPulseSyncReceiver receiver(ctx, config.detector_name, config.n_modules);
+    RamBuffer ram_buffer(config.detector_name, config.n_modules);
+    AssemblerStats stats(config.detector_name, ASSEMBLER_STATS_MODULO);
+
+    auto sender = BufferUtils::bind_socket(
+            ctx, config.detector_name, stream_name);
+
+    ImageMetadata meta;
+    while (true) {
+        auto pulse_and_sync = receiver.get_next_pulse_id();
+        ram_buffer.assemble_image(pulse_and_sync.pulse_id, meta);
+
+        zmq_send(sender, &meta, sizeof(meta), 0);
+
+        stats.record_stats(meta, pulse_and_sync.n_lost_pulses);
+    }
+}