Add pop() to buffer_obs_file_binary

src/buffer_obs_file_binary.cpp

@@ -20,6 +20,7 @@
 // C headers
 #include <time.h>
 #include <typeinfo>
+#include <stdint.h>
 
 // Custom C++ Headers
 #include <buffer_obs_file_binary.hpp> // Buffer using File I/O
@@ -92,13 +93,58 @@ int buffer_obs_file_binary::put(data_obs* data) {
 
 /********************************************************************************
  *									 	*
- * Read data from the buffer. This is done by reading from Standard Input and	*
- * parsing the string.								*
+ * Read data from the buffer.					*
  *										*
  ********************************************************************************/
 int buffer_obs_file_binary::pop(data_obs* data) {
 
-    return(-1);
+	struct timespec time;
+	std::vector<double> values_orig;
+	std::vector<float> values;
+	int N;
+
+	int32_t tmp_32;
+
+	// Write data info to stderr
+	if (!info_written){
+		info(data);
+	}
+
+	// Open new file if necessary
+	check(data);
+
+	if ( !file.is_open() ) {
+		std::cerr << "No file opened for reading." << std::endl;
+		return(-1);
+	}
+
+	// Read time
+	read((char*) &tmp_32, sizeof(tmp_32));
+	if (!file.eof()) {
+		time.tv_sec = (time_t) tmp_32;
+		read((char*) &tmp_32, sizeof(tmp_32));
+		time.tv_nsec = (long) tmp_32;
+		data->set_time(&time);
+
+		// Read data
+		//TODO Add option for reading supplementary data
+		N = data->get_Ndata();
+		values.resize(N, data->get_MD());
+		read((char*) values.data(), sizeof(values[0]) * N);
+		values_orig.assign(values.begin(), values.end());
+		if ((data->set_data(values_orig)) < 0) {
+			std::cerr << "COULD NOT ASSIGN DATA" << std::endl;
+		}
+
+		return (0);
+
+	} else {
+
+		std::cerr << "END OF FILE REACHED" << std::endl;
+		data->set_values_MD();
+		return(-1);
+
+	}
 
 }