Commit a58ef08a authored by Marc Vef's avatar Marc Vef
Browse files

ifs_test: Added temp testing for I/O stuff

parent 105458a0

ifs_test/CMakeLists.txt

+2 −0
Original line number Diff line number Diff line
@@ -10,7 +10,9 @@ include_directories(${MPI_INCLUDE_PATH}) 


set(SOURCE_FILES main.cpp)

set(SOURCE_FILES_MPI main_MPI.cpp)

set(SOURCE_FILES_TEMP main_temp_testing.cpp)

add_executable(ifs_test ${SOURCE_FILES})

add_executable(ifs_test_MPI ${SOURCE_FILES_MPI})

add_executable(ifs_test_temp ${SOURCE_FILES_TEMP})



target_link_libraries(ifs_test_MPI ${MPI_C_LIBRARIES})
 
 No newline at end of file

ifs_test/main.cpp

+0 −25
Original line number Diff line number Diff line 
#include <iostream>

#include <fcntl.h>

#include <unistd.h>

#include <chrono>

#include <cstring>



using namespace std;
@@ -21,29 +19,6 @@ int main(int argc, char* argv[]) { 
//    cout << stat("/tmp/mountdir/creat.txt", &attr) << endl;

//    cout << unlink("/tmp/mountdir/creat.txt") << endl;



//    char buf[] = "test123\n";

//    string p = "/tmp/mountdir/file"s;

//    auto fd = open(p.c_str(), O_CREAT|O_WRONLY, 0777);

//    auto nw = write(fd, &buf, strlen(buf));

//    close(fd);

//

//    fd = open(p.c_str(), O_RDONLY, 0777);

//    char buf_read[9] = {0};

//    auto rs = read(fd, &buf_read, strlen(buf));

//    buf_read[8] = '\0';

//    printf("buffer read: %s\n", buf_read);

//    close(fd);



//    auto fd2 = open("/tmp/rootdir/data/chunks/file/data2", O_RDONLY, 0777);

//    char buf_read2[9] = {0};

//    auto rs2 = read(fd2, &buf_read2, 8);

//    close(fd2);

//    buf_read2[8] = '\0';

//

//    string bla = buf_read2;

//    cout << bla << endl;







    auto start_t = get_time::now();

ifs_test/main_temp_testing.cpp

0 → 100644
+34 −0
Original line number Diff line number Diff line 
#include <iostream>

#include <fcntl.h>

#include <unistd.h>

#include <cstring>



using namespace std;



int main(int argc, char* argv[]) {



    char buf[] = "test123\n";

    string p = "/tmp/mountdir/file"s;

    auto fd = open(p.c_str(), O_CREAT | O_WRONLY, 0777);

    auto nw = write(fd, &buf, strlen(buf));

    close(fd);



    fd = open(p.c_str(), O_RDONLY, 0777);

    char buf_read[9] = {0};

    auto rs = read(fd, &buf_read, strlen(buf));

    buf_read[8] = '\0';

    printf("buffer read: %s\n", buf_read);

    close(fd);



    //    auto fd2 = open("/tmp/rootdir/data/chunks/file/data2", O_RDONLY, 0777);

//    char buf_read2[9] = {0};

//    auto rs2 = read(fd2, &buf_read2, 8);

//    close(fd2);

//    buf_read2[8] = '\0';

//

//    string bla = buf_read2;

//    cout << bla << endl;



    return 0;



}
 
 No newline at end of file