int host(int argc, char *argv[]) { msg_file_t file = NULL; sg_size_t write; // First open XBT_INFO("\tOpen file '%s'",FILENAME1); file = MSG_file_open(FILENAME1, NULL); // Unlink the file XBT_INFO("\tUnlink file '%s'",MSG_file_get_name(file)); MSG_file_unlink(file); // Re Open the file wich is in fact created XBT_INFO("\tOpen file '%s'",FILENAME1); file = MSG_file_open(FILENAME1, NULL); // Write into the new file write = MSG_file_write(file,100000); // Write for 100Ko XBT_INFO("\tHave written %llu on %s",write,MSG_file_get_name(file)); // Write into the new file write = MSG_file_write(file,100000); // Write for 100Ko XBT_INFO("\tHave written %llu on %s",write,MSG_file_get_name(file)); // Close the file XBT_INFO("\tClose file '%s'",MSG_file_get_name(file)); MSG_file_close(file); return 0; }
int host(int argc, char *argv[]) { msg_file_t file = NULL; char* mount = xbt_strdup("/home"); size_t write; // First open XBT_INFO("\tOpen file '%s'",FILENAME1); file = MSG_file_open(mount,FILENAME1); // Unlink the file XBT_INFO("\tUnlink file '%s'",file->fullname); MSG_file_unlink(file); // Re Open the file wich is in fact created XBT_INFO("\tOpen file '%s'",FILENAME1); file = MSG_file_open(mount,FILENAME1); // Write into the new file write = MSG_file_write(100000,file); // Write for 100Ko XBT_INFO("\tHave written %zu on %s",write,file->fullname); // Close the file XBT_INFO("\tClose file '%s'",file->fullname); MSG_file_close(file); xbt_dict_t dict_ls; char* key; surf_stat_t data = NULL; xbt_dict_cursor_t cursor = NULL; dict_ls = MSG_file_ls(mount,"./"); XBT_INFO(" ");XBT_INFO("ls ./"); xbt_dict_foreach(dict_ls,cursor,key,data){ if(data) XBT_INFO("FILE : %s",key); else XBT_INFO("DIR : %s",key); } xbt_dict_free(&dict_ls); dict_ls = MSG_file_ls(mount,"./doc/simgrid/examples/platforms/"); XBT_INFO(" ");XBT_INFO("ls ./doc/simgrid/examples/platforms/"); xbt_dict_foreach(dict_ls,cursor,key,data){ if(data) XBT_INFO("FILE : %s",key); else XBT_INFO("DIR : %s",key); } xbt_dict_free(&dict_ls); dict_ls = MSG_file_ls(mount,"./doc/simgrid/examples/msg/"); XBT_INFO(" ");XBT_INFO("ls ./doc/simgrid/examples/msg/"); xbt_dict_foreach(dict_ls,cursor,key,data){ if(data) XBT_INFO("FILE : %s",key); else XBT_INFO("DIR : %s",key); } xbt_dict_free(&dict_ls); free(mount); return 0; }
static int host(int argc, char *argv[]) { msg_file_t file = NULL; sg_size_t read; sg_size_t write; msg_storage_t st; const char* st_name; switch(MSG_process_self_PID()){ case 1: file = MSG_file_open(FILENAME1, NULL); MSG_file_dump(file); st_name = "Disk4"; break; case 2 : file = MSG_file_open(FILENAME2, NULL); st_name = "Disk2"; break; case 3 : file = MSG_file_open(FILENAME3, NULL); st_name = "Disk3"; break; case 4: file = MSG_file_open(FILENAME4, NULL); st_name = "Disk1"; break; default: xbt_die("FILENAME NOT DEFINED %s",MSG_process_get_name(MSG_process_self())); } const char* filename = MSG_file_get_name(file); XBT_INFO("\tOpen file '%s'",filename); st = MSG_storage_get_by_name(st_name); XBT_INFO("\tCapacity of the storage element '%s' is stored on: %llu / %llu", filename, MSG_storage_get_used_size(st), MSG_storage_get_size(st)); /* Try to read for 10MB */ read = MSG_file_read(file, 10000000); XBT_INFO("\tHave read %llu from '%s'",read,filename); /* Write 100KB in file from the current position, i.e, end of file or 10MB */ write = MSG_file_write(file, 100000); XBT_INFO("\tHave written %llu in '%s'. Size now is: %llu",write,filename, MSG_file_get_size(file)); XBT_INFO("\tCapacity of the storage element '%s' is stored on: %llu / %llu", filename, MSG_storage_get_used_size(st), MSG_storage_get_size(st)); /* rewind to the beginning of the file */ XBT_INFO("\tComing back to the beginning of the stream for file '%s'", filename); MSG_file_seek(file, 0, SEEK_SET); /* Try to read 110KB */ read = MSG_file_read(file, 110000); XBT_INFO("\tHave read %llu from '%s' (of size %llu)",read,filename, MSG_file_get_size(file)); /* rewind once again to the beginning of the file */ XBT_INFO("\tComing back to the beginning of the stream for file '%s'", filename); MSG_file_seek(file, 0, SEEK_SET); /* Write 110KB in file from the current position, i.e, end of file or 10MB */ write = MSG_file_write(file, 110000); XBT_INFO("\tHave written %llu in '%s'. Size now is: %llu", write,filename, MSG_file_get_size(file)); XBT_INFO("\tCapacity of the storage element '%s' is stored on: %llu / %llu", filename, MSG_storage_get_used_size(st), MSG_storage_get_size(st)); if (MSG_process_self_PID() == 1){ XBT_INFO("\tUnlink file '%s'",MSG_file_get_name(file)); MSG_file_unlink(file); } else { XBT_INFO("\tClose file '%s'",filename); MSG_file_close(file); } return 0; }