Rename function to buffer

sf-writer/include/WriterZmqReceiver.hpp

@@ -22,7 +22,7 @@ public:
 
     virtual ~WriterZmqReceiver();
 
-    void get_next_batch(
+    void get_next_buffer(
             const uint64_t pulse_id,
             ImageMetadataBuffer* image_metadata,
             char* image_buffer);

sf-writer/src/WriterZmqReceiver.cpp

@@ -46,7 +46,7 @@ WriterZmqReceiver::~WriterZmqReceiver()
     }
 }
 
-void WriterZmqReceiver::get_next_batch(
+void WriterZmqReceiver::get_next_buffer(
         const uint64_t pulse_id,
         ImageMetadataBuffer* image_metadata,
         char* image_buffer)

sf-writer/src/main.cpp

@@ -41,7 +41,7 @@ void receive_replay(
             auto metadata = queue.get_metadata_buffer(slot_id);
             auto buffer = queue.get_data_buffer(slot_id);
 
-            receiver.get_next_batch(
+            receiver.get_next_buffer(
                     current_pulse_id, metadata, buffer);
 
             queue.commit();

sf-writer/test/test_WriterZmqReceiver.cpp

@@ -70,7 +70,7 @@ TEST(WriterZmqReceiver, basic_test)
                  0);
     }
 
-    receiver.get_next_batch(pulse_id, &image_metadata, image_buffer.get());
+    receiver.get_next_buffer(pulse_id, &image_metadata, image_buffer.get());
     EXPECT_EQ(pulse_id, image_metadata.pulse_id);
     EXPECT_EQ(image_metadata.is_good_frame, 1);
     EXPECT_EQ(image_metadata.daq_rec, 4);