Add stub for MPI daq POC

CMakeLists.txt

@@ -32,4 +32,5 @@ add_subdirectory("core-buffer")
 add_subdirectory("sf-buffer")
 add_subdirectory("sf-stream")
 add_subdirectory("sf-writer")
-add_subdirectory("jf-live-writer")
+add_subdirectory("jf-live-writer")
+add_subdirectory("jf-live-daq")

jf-live-daq/CMakeLists.txt

@@ -0,0 +1,26 @@
+
+find_package(MPI REQUIRED)
+# Because of openmpi.
+add_definitions(-DOMPI_SKIP_MPICXX)
+
+file(GLOB SOURCES
+        src/*.cpp)
+
+add_library(jf-live-daq-lib STATIC ${SOURCES})
+target_include_directories(jf-live-daq-lib
+        PUBLIC include/
+        SYSTEM ${MPI_INCLUDE_PATH})
+
+target_link_libraries(jf-live-daq-lib
+        external
+        core-buffer-lib
+        ${MPI_LIBRARIES})
+
+add_executable(jf-live-daq src/main.cpp)
+set_target_properties(jf-live-daq PROPERTIES OUTPUT_NAME jf_live_daq)
+target_link_libraries(jf-live-daq
+        jf-live-daq-lib
+        )
+
+enable_testing()
+add_subdirectory(test/)

jf-live-daq/src/main.cpp

@@ -0,0 +1,27 @@
+#include <stdio.h>
+#include <mpi.h>
+
+int main(int argc, char** argv) {
+    // Initialize the MPI environment
+    MPI_Init(NULL, NULL);
+
+    // Get the number of processes
+    int world_size;
+    MPI_Comm_size(MPI_COMM_WORLD, &world_size);
+
+    // Get the rank of the process
+    int world_rank;
+    MPI_Comm_rank(MPI_COMM_WORLD, &world_rank);
+
+    // Get the name of the processor
+    char processor_name[MPI_MAX_PROCESSOR_NAME];
+    int name_len;
+    MPI_Get_processor_name(processor_name, &name_len);
+
+    // Print off a hello world message
+    printf("Hello world from processor %s, rank %d out of %d processors\n",
+           processor_name, world_rank, world_size);
+
+    // Finalize the MPI environment.
+    MPI_Finalize();
+}

jf-live-daq/test/CMakeLists.txt

@@ -0,0 +1,10 @@
+add_executable(jf-live-daq-tests main.cpp)
+
+target_link_libraries(jf-live-daq-tests
+        jf-live-daq-lib
+        hdf5
+        hdf5_hl
+        hdf5_cpp
+        zmq
+        gtest
+        )

jf-live-daq/test/main.cpp

@@ -0,0 +1,9 @@
+#include "gtest/gtest.h"
+
+
+using namespace std;
+
+int main(int argc, char **argv) {
+  ::testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}