[LTP] [PATCH 2/2] nfs05: rewrite the test, make use of new library
Alexey Kodanev
alexey.kodanev@oracle.com
Thu Jun 16 13:27:05 CEST 2016
* remove dynamic allocation of memory, use asprintf in few places;
* run tst_run_cmd() to call make/make clean;
* clean directories with tst_rmdir library.
Signed-off-by: Alexey Kodanev <alexey.kodanev@oracle.com>
---
testcases/network/nfs/nfs_stress/Makefile | 2 +-
testcases/network/nfs/nfs_stress/nfs05 | 8 +-
testcases/network/nfs/nfs_stress/nfs05_make_tree.c | 911 ++++----------------
3 files changed, 160 insertions(+), 761 deletions(-)
diff --git a/testcases/network/nfs/nfs_stress/Makefile b/testcases/network/nfs/nfs_stress/Makefile
index 0e6aebc..0a7bf6a 100644
--- a/testcases/network/nfs/nfs_stress/Makefile
+++ b/testcases/network/nfs/nfs_stress/Makefile
@@ -19,7 +19,7 @@ top_srcdir ?= ../../../..
include $(top_srcdir)/include/mk/env_pre.mk
nfs04_create_file: CPPFLAGS += -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE
-nfs05_make_tree: LDLIBS += -lpthread
+nfs05_make_tree: LDLIBS += -I../../../kernel/include -lltp -lpthread
INSTALL_TARGETS := nfs_lib.sh \
nfs01 \
diff --git a/testcases/network/nfs/nfs_stress/nfs05 b/testcases/network/nfs/nfs_stress/nfs05
index 0e15c8c..26977ab 100755
--- a/testcases/network/nfs/nfs_stress/nfs05
+++ b/testcases/network/nfs/nfs_stress/nfs05
@@ -34,8 +34,12 @@ THREAD_NUM=${THREAD_NUM:-"8"}
nfs_setup
tst_resm TINFO "start nfs05_make_tree -d $DIR_NUM -f $FILE_NUM -t $THREAD_NUM"
-ROD nfs05_make_tree -d $DIR_NUM -f $FILE_NUM -t $THREAD_NUM
+TMPDIR=$(pwd) nfs05_make_tree -d $DIR_NUM -f $FILE_NUM -t $THREAD_NUM
-tst_resm TPASS "test finished"
+if [ $? -ne 0 ]; then
+ tst_resm TFAIL "'make' test failed"
+else
+ tst_resm TPASS "'make' test finished"
+fi
tst_exit
diff --git a/testcases/network/nfs/nfs_stress/nfs05_make_tree.c b/testcases/network/nfs/nfs_stress/nfs05_make_tree.c
index 4163988..5d128dd 100644
--- a/testcases/network/nfs/nfs_stress/nfs05_make_tree.c
+++ b/testcases/network/nfs/nfs_stress/nfs05_make_tree.c
@@ -1,179 +1,50 @@
-/******************************************************************************/
-/* */
-/* Copyright (c) International Business Machines Corp., 2001 */
-/* */
-/* This program is free software; you can redistribute it and/or modify */
-/* it under the terms of the GNU General Public License as published by */
-/* the Free Software Foundation; either version 2 of the License, or */
-/* (at your option) any later version. */
-/* */
-/* This program is distributed in the hope that it will be useful, */
-/* but WITHOUT ANY WARRANTY; without even the implied warranty of */
-/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See */
-/* the GNU General Public License for more details. */
-/* */
-/* You should have received a copy of the GNU General Public License */
-/* along with this program; if not, write to the Free Software */
-/* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */
-/* */
-/******************************************************************************/
-
-/******************************************************************************/
-/* */
-/* History: Oct - 10 - 2001 Created - Manoj Iyer, IBM Austin TX. */
-/* email:manjo@austin.ibm.com */
-/* - create a directory tree that is */
-/* unique to each process. The base directory */
-/* looks like hostname.<pid of the process> */
-/* the subdirectories will be <pid>.0 <pid.1> etc*/
-/* eg: */
-/* hostname.1234 */
-/* |_ 1234.0 */
-/* |_ 1234.1 */
-/* |_1234.2 */
-/* |.... */
-/* hostname - hostname of the machine */
-/* 1234 - pid of the current process. */
-/* Each of these directories are populated with */
-/* N number of ".c" files and a makefile that can*/
-/* compile the ".c" files and also initiate */
-/* compile of ".c" files in the subdirectories */
-/* under it. */
-/* */
-/* Oct - 11 - 2001 Modified */
-/* - fixed a bug in the makefiles, the last make-*/
-/* file was expecting subdirectories. Added */
-/* code to generate a different makefile for */
-/* the last subdirectory. */
-/* - Added logic to first compile all the c files*/
-/* and upon completion remove them. */
-/* - Added multithreading, arguments handling. */
-/* By default the program will generate 8 */
-/* threads, each creating by default 100 deep */
-/* directory tree each containing default 100 */
-/* ".c" files and one makefile. */
-/* - Added usage message. */
-/* */
-/* Oct - 12 - 2001 Modified */
-/* - Added logic to print missing arguments to */
-/* options. */
-/* */
-/* Oct - 15 - 2001 Modified */
-/* - Added logic to remove the files, makefiles */
-/* and subdirectories that were created. */
-/* - Added logic to print debug messages. */
-/* */
-/* Oct - 16 - 2001 Modified */
-/* - Added sync() calls to commit changes. */
-/* - Fixed bug. pthread_join() returns 0 when */
-/* pthread_join fails, if the thread function */
-/* fails pthread_join() will put the exit value*/
-/* of the thread function in the thread_return */
-/* output argument. */
-/* - Debugging function crte_mk_rm fails to */
-/* create fies, problem appears only in multi- */
-/* threaded case. */
-/* */
-/* Oct - 17 - 2001 Checked in */
-/* - GPL statement was added and the initial ver */
-/* - checked into CVS. */
-/* - note: this version works only if it is run */
-/* single threaded, when its run multithreaded */
-/* random thread will fail on open() sys call */
-/* problem currently under investigation. */
-/* */
-/* Oct - 20 - 2001 Modified */
-/* - fixed a whole bunch of problems. */
-/* - created function init_compile. Apparently */
-/* this code works!!. */
-/* - removed system() system call that was doing */
-/* make and make clean. init_compile() replaces*/
-/* this piece of code. */
-/* - on supplying the full pathname to unlink() */
-/* solved most of the problems with rm_file_mk */
-/* function. */
-/* - reset the default vaulues for MAXT = 8 */
-/* MAXD = 100 and MAXF = 100. */
-/* ie. maximum number of threads = 8 */
-/* directory depth (num of sub dirs) = 100 */
-/* numeber of .c fils in each sub dir = 100*/
-/* - finally program is now in working state. */
-/* */
-/* Nov - 01 - 2001 Modified. */
-/* - fixed usage message default MAXT is 8 not 1 */
-/* - fixed make to compile the files silently */
-/* */
-/* Nov - 19 - 2001 Modified. */
-/* - changed th_status in function main() from */
-/* dynamic variable to static array. */
-/* */
-/* File: make_tree.c */
-/* */
-/* Description: This program is designed stress the NFS implimentation. */
-/* Many bugs were uncovered in the AIX operating system */
-/* implimentation of NFS when AIX kernel was built over NFS. */
-/* Source directory on a remote machine (one server many clients)*/
-/* NFS-mounted on to a directory on a local machine from which */
-/* the kernel build was initiated. Apparently many defects/bugs */
-/* were uncovered when multiple users tried to build the kernel */
-/* by NFS mounting the kernel source from a remote machine and */
-/* tried to build the kernel on a local machine. AIX build envi- */
-/* ronment is set up to create the object files and executable */
-/* on the local machine. */
-/* This testcase will try to recreate such a senario. */
-/* Spawn N number of threads. Each thread does the following. */
-/* * Create a directory tree. */
-/* * Populate it with ".c" files and makefiles. */
-/* * initate a build. Executable will print hello world when exed*/
-/* * clean up all the executables that were created. */
-/* * recurssively remove each subdir and its contents. */
-/* The test is aimed at stressing the NFS client and server. */
-/* hostname.1234 */
-/* | */
-/* | - 1234.0.0.c */
-/* | - 1234.0.1.c */
-/* | - .......... */
-/* | - makefile */
-/* | */
-/* |_ 1234.0 */
-/* | */
-/* | - 1234.1.0.c */
-/* | - 1234.1.1.c */
-/* | - .......... */
-/* | - makefile */
-/* | */
-/* |_ 1234.1 */
-/* | */
-/* | - 1234.2.0.c */
-/* | - 1234.2.1.c */
-/* | - .......... */
-/* | - makefile */
-/* | */
-/* |_1234.2 */
-/* |.... */
-/* */
-/* Setup: - on the server side: */
-/* * create a directory /nfs_test */
-/* * make an entry in /etc/exports file like this... */
-/* "/nfs_test *(rw,no_root_squash)" */
-/* * run command "exportfs -a" */
-/* - on client side: */
-/* * create a directory say for eg: /nfs_cli */
-/* * mount -t nfs servername:/nfs_test /nfs_cli */
-/* * set up the tescase in /nfs_cli directory */
-/* - I reccomend that you have atleast 8 client machines running */
-/* this test, linux has 8 NFSD's running by default, you might*/
-/* have to increase it as per your requirement. */
-/* */
-/* Note: - assumed that NFS services are installed and configured */
-/* - you have atleast 2 machines to act as client and server */
-/* (you can have muiltiple client machines and one server) */
-/* - large amount of disk space, this depends on the number of */
-/* of clients you will have, if you have only one client, I */
-/* reccomend that the server have atleast 4 Giga bytes of */
-/* disk space (paranoid!). */
-/* */
-/******************************************************************************/
+/*
+ * Copyright (c) 2016 Oracle and/or its affiliates. All Rights Reserved.
+ * Copyright (c) International Business Machines Corp., 2001
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it would be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+ * Description:
+ * This program is designed to stress the NFS implimentation. Many bugs were
+ * uncovered in the AIX operating system implimentation of NFS when AIX kernel
+ * was built over NFS. Source directory on a remote machine (one server many
+ * clients) NFS-mounted on to a directory on a local machine from which the
+ * kernel build was initiated. Apparently many defects/bugs were uncovered when
+ * multiple users tried to build the kernel by NFS mounting the kernel source
+ * from a remote machine and tried to build the kernel on a local machine.
+ *
+ * The test's aimed to stress NFS client/server and recreates such a senario.
+ * Spawn N number of threads. Each thread does the following:
+ * * create a directory tree;
+ * * populate it with ".c" files and makefiles;
+ * hostname.1234
+ * | - 1234.0.0.c
+ * | - ..........
+ * | - makefile
+ * |_ 1234.0
+ * |
+ * | - 1234.1.0.c
+ * | - ..........
+ * | - makefile
+ * |_ 1234.1
+ * |....
+ *
+ * * initate a build, executable will print hello world;
+ * * clean up all the executables that were created;
+ * * recurssively remove each subdir and its contents.
+ *
+ */
#include <stdio.h>
#include <sys/stat.h>
@@ -188,609 +59,133 @@
#include <errno.h>
#include <linux/unistd.h>
-#define gettid() syscall(__NR_gettid)
-
-#ifdef DEBUG
-#define dprt(fmt, args...) printf(fmt, ## args)
-#else
-#define dprt(fmt, args...)
-#endif
-
-#define MAKE_EXE 1 /* initate a make */
-#define MAKE_CLEAN 0 /* initate a make clean */
-
-#define PTHREAD_EXIT(val) do {\
- exit_val = val; \
- dprt("pid[%d]: exiting with %d\n", gettid(),exit_val); \
- pthread_exit((void *)exit_val); \
- } while (0)
-
-#define OPT_MISSING(prog, opt) do{\
- fprintf(stderr, "%s: option -%c ", prog, opt); \
- fprintf(stderr, "requires an argument\n"); \
- usage(prog); \
- } while (0)
-
-#define MAXD 100 /* default number of directories to create. */
-#define MAXF 100 /* default number of files to create. */
-#define MAXT 8 /* default number of threads to create. */
-
-/******************************************************************************/
-/* */
-/* Function: usage */
-/* */
-/* Description: Print the usage message. */
-/* */
-/* Return: exits with -1 */
-/* */
-/******************************************************************************/
-static void usage(char *progname)
-{ /* name of this program */
- fprintf(stderr,
- "Usage: %s -d NUMDIR -f NUMFILES -h -t NUMTHRD\n"
- "\t -d Number of subdirectories to generate: Default: 100\n"
- "\t -f Number of c files in each subdirectory: Default: 100\n"
- "\t -h Help!\n"
- "\t -t Number of threads to generate: Default: 8\n",
- progname);
- exit(-1);
-}
-
-/******************************************************************************/
-/* */
-/* Function: init_compile */
-/* */
-/* Description: This function compiles the .c files and removes the exeutables*/
-/* This function does the same function as the system() system */
-/* call, the code is available in the system() man page. When */
-/* called with the parameter MAKE_EXE it will initiate make in */
-/* the first directory created, the makefile is designed to build*/
-/* recursively all the files in the subdirectories below. */
-/* When called with the MAKE_CLEAN parameter it will remove the */
-/* executables that were created design is similar to the case */
-/* were it initiates a make. */
-/* */
-/* Return: exits with 1 on error, 0 on success */
-/* */
-/******************************************************************************/
-static int init_compile(int what_todo, /* do a compile or clean */
- char *base_dir, /* base directory of the test */
- char *hname)
-{ /* hostname of the machine */
- int status; /* return status of execve process */
- pid_t pid; /* pid of the process that does compile */
- char *dirname; /* location where compile is initated */
- char *command; /* make or make clean command. */
-
- if ((dirname = malloc(sizeof(char) * 2048)) == NULL) { /* just paranoid */
- perror("init_compile(): dirname malloc()");
- return 1;
- }
-
- if ((command = malloc(sizeof(char) * 1024)) == NULL) { /* just paranoid */
- perror("init_compile(): dirname malloc()");
- return 1;
- }
-
- what_todo ? sprintf(command, "make -s") : sprintf(command,
- "make -s clean");
+#include "lapi/mkdirat.h"
+#include "tst_safe_stdio.h"
+#include "tst_test.h"
- sprintf(dirname, "%s/%s.%ld", base_dir, hname, gettid());
+#define gettid() syscall(__NR_gettid)
- if (chdir(dirname) == -1) {
- dprt("pid[%d]: init_compile(): dir name = %s\n", gettid(),
- dirname);
- perror("init_compile() chdir()");
- free(dirname);
- return 1;
- }
+static int thrd_num = 8;
+static int dirs_num = 100;
+static int file_num = 100;
- dprt("pid[%d]: init_compile(): command = %s\n", gettid(), command);
+static char *t_arg, *d_arg, *f_arg;
- if ((pid = fork()) == -1) {
- perror("init_compile(): fork()");
- return 1;
- }
- if (!pid) {
- char *argv[4];
+static struct tst_option opts[] = {
+ {"t:", &t_arg, "-t x Number of threads to generate, default: 8\n"},
+ {"d:", &d_arg, "-d x Number of subdirs to generate, default: 100\n"},
+ {"f:", &f_arg, "-f x Number of c files in each dir, default: 100\n"},
+ {NULL, NULL, NULL}
+};
- argv[0] = "/bin/sh";
- argv[1] = "-c";
- argv[2] = command;
- argv[3] = 0;
-
- if (execv("/bin/sh", argv) == -1) {
- perror("init_compile(): execv()");
- return 1;
- }
- }
- do {
- if (waitpid(pid, &status, 0) == -1) {
- if (errno != EINTR) {
- fprintf(stderr,
- "init_compile(): waitpid() failed\n");
- return 1;
- }
+static void *thread_fn(LTP_ATTRIBUTE_UNUSED void *args)
+{
+ const char prog_buf[] = "main()\n{\n\t printf(\"hello world\");\n}\n";
+ const size_t prog_buf_size = strlen(prog_buf);
+ int i, k, fd, dirfd, len, ret;
+ char *dirname, *tmpdir;
+ char cfile[PATH_MAX];
+ char make_buf[1024];
+ char hostname[256];
+ pid_t tid = gettid();
+
+ SAFE_GETHOSTNAME(hostname, 256);
+ SAFE_ASPRINTF(&dirname, "%s.%ld", hostname, tid);
+ SAFE_ASPRINTF(&tmpdir, "%ld", tid);
+
+ SAFE_MKDIR(dirname, 0755);
+ dirfd = SAFE_OPEN(dirname, O_DIRECTORY);
+
+ for (i = 0; i < dirs_num; ++i) {
+ if (i == dirs_num - 1) {
+ len = snprintf(make_buf, 1024,
+ "CFLAGS := -O -w -g\n"
+ "SUBDIRS = %s\n"
+ "SRCS=$(wildcard *.c)\n"
+ "TARGETS=$(patsubst %%.c,\%%,$(SRCS))\n"
+ "all:\t $(TARGETS)\n"
+ "clean:\n"
+ "\trm -f $(TARGETS)\n",
+ tmpdir);
} else {
- if (chdir(base_dir) == -1) {
- dprt("pid[%d]: init_compile(): dir = %s\n",
- gettid(), dirname);
- perror("init_compile(): chdir()");
- return 1;
+ len = snprintf(make_buf, 1024,
+ "CFLAGS := -O -w -g\n"
+ "SUBDIRS = %s\n"
+ "SRCS=$(wildcard *.c)\n"
+ "TARGETS=$(patsubst %%.c,\%%,$(SRCS))\n"
+ "all:\t $(TARGETS)\n\t@for i in $(SUBDIRS);"
+ "do $(MAKE) -C $$i ; done\nclean:\n"
+ "\trm -f $(TARGETS)\n\t@for i in $(SUBDIRS);"
+ "do $(MAKE) -C $$i clean ; done\n", tmpdir);
+ }
+
+ fd = openat(dirfd, "makefile", O_CREAT | O_RDWR,
+ S_IRWXU | S_IRWXG | S_IRWXO);
+ if (fd < 0)
+ tst_brk(TFAIL | TERRNO, "openat(makefile) failed");
+
+ SAFE_WRITE(1, fd, make_buf, len);
+ SAFE_CLOSE(fd);
+
+ for (k = 0; k < file_num; ++k) {
+ snprintf(cfile, PATH_MAX, "%d.%d.%d.c", tid, i, k);
+ fd = openat(dirfd, cfile, O_CREAT | O_RDWR,
+ S_IRWXU | S_IRWXG | S_IRWXO);
+ if (fd < 0) {
+ tst_brk(TFAIL | TERRNO,
+ "openat(%s) failed", cfile);
}
- dprt("pid[%d]: init_compile(): status = %d\n",
- gettid(), status);
- dprt("we are here %d\n", __LINE__);
- return status;
+ SAFE_WRITE(1, fd, prog_buf, prog_buf_size);
+ fsync(fd);
+ SAFE_CLOSE(fd);
}
- } while (1);
-}
-
-/******************************************************************************/
-/* */
-/* Function: rm_file_dir */
-/* */
-/* Description: This function removes the .c files makefiles and directories. */
-/* First removes the files in the files in the last directory */
-/* first then removes the last directory, then cycles through */
-/* each subdirectory and does the same. */
-/* */
-/* Return: exits with 1 on error, 0 on success */
-/* */
-/******************************************************************************/
-static int rm_file_dir(int numsdir, /* how many subdirs to remove */
- int numfiles, /* number of files to remove per dir */
- char *hname, /* hostname of the client machine */
- char *base_dir)
-{ /* directory where the test is located */
- int filecnt; /* index to the num of files to remove */
- int dircnt; /* index into directory tree */
- int sindex = numsdir; /* num subdirectory tree to remove */
- char *dirname; /* name of the directory to chdir() */
- char *tmpdirname; /* temp name for directory, for swap */
- char *filename; /* name of the cfile to remove */
- char *subdir; /* name of the sub dir to remove */
-
- if ((dirname = malloc(sizeof(char) * 2048)) == NULL) { /* just paranoid */
- perror("crte_mk_rm(): dirname malloc()");
- return 1;
- }
-
- if ((tmpdirname = malloc(sizeof(char) * 2048)) == NULL) { /* just paranoid */
- perror("crte_mk_rm(): tmpdirname malloc()");
- return 1;
+ ret = mkdirat(dirfd, tmpdir, 0755);
+ if (ret < 0)
+ tst_brk(TFAIL | TERRNO, "mkdirat(%s) failed", tmpdir);
+ dirfd = openat(dirfd, tmpdir, O_DIRECTORY);
+ if (dirfd < 0)
+ tst_brk(TFAIL | TERRNO, "openat(%s) failed", tmpdir);
}
- if ((filename = malloc(sizeof(char) * 2048)) == NULL) { /* just paranoid */
- perror("crte_mk_rm(): filename malloc()");
- return 1;
- }
-
- if ((subdir = malloc(sizeof(char) * 2048)) == NULL) { /* just paranoid */
- perror("crte_mk_rm(): subdir malloc()");
- return 1;
- }
-
- dprt("pid[%d]: base directory: %s\n", gettid(), base_dir);
- while (sindex) {
- /* get the name of the last directory created. */
- for (dircnt = 0; dircnt < sindex; dircnt++) {
- if (dircnt == 0)
- sprintf(dirname, "%s/%s.%ld", base_dir, hname,
- gettid());
- else {
- sprintf(tmpdirname, "%s/%ld.%d", dirname,
- gettid(), dircnt);
- sprintf(dirname, "%s", tmpdirname);
- }
- sync();
- }
-
- dprt("pid[%d]: cd'ing to last created dir: %s\n", gettid(),
- dirname);
+ const char *const cmd_make[] = {"make", "-s", "-C", dirname, NULL};
+ const char *const cmd_make_clean[] = {
+ "make", "-C", dirname, "-s", "clean", NULL};
- sindex--;
+ tst_run_cmd(cmd_make, NULL, NULL, 0);
+ tst_run_cmd(cmd_make_clean, NULL, NULL, 0);
- /* remove all the ".c" files and makefile in this directory */
- for (filecnt = 0; filecnt < numfiles; filecnt++) {
- sprintf(filename, "%s/%ld.%d.%d.c", dirname, gettid(),
- dircnt - 1, filecnt);
- dprt("pid[%d]: removing file: %s\n", gettid(),
- filename);
-
- if (unlink(filename)) {
- dprt("pid[%d]: failed removing file: %s\n",
- gettid(), filename);
- perror("rm_file_dir(): unlink()");
- free(tmpdirname);
- free(dirname);
- free(filename);
- free(subdir);
- return 1;
- }
- sync();
- }
-
- sprintf(filename, "%s/%s", dirname, "makefile");
- dprt("pid[%d]: removing %s\n", gettid(), filename);
- if (unlink(filename)) {
- perror
- ("rm_file_dir() cound not remove makefile unlink()");
- free(tmpdirname);
- free(dirname);
- free(filename);
- free(subdir);
- return 1;
- }
- sync();
-
- /* the last directory does not have any more sub directories */
- /* nothing to remove. */
- dprt("pid[%d]: in directory count(dircnt): %d\n", gettid(),
- dircnt);
- dprt("pid[%d]: last directory(numsdir): %d\n", gettid(),
- numsdir);
- if (dircnt < numsdir) {
- /* remove the sub directory */
- sprintf(subdir, "%s/%ld.%d", dirname, gettid(), dircnt);
- dprt("pid[%d]: removing subdirectory: %s\n", gettid(),
- subdir);
- if (rmdir(subdir) == -1) {
- perror("rm_file_dir() rmdir()");
- free(tmpdirname);
- free(dirname);
- free(filename);
- free(subdir);
- return 1;
- }
- sync();
- }
- }
+ sync();
- free(tmpdirname);
- free(dirname);
- free(filename);
- free(subdir);
- return 0;
+ return NULL;
}
-/******************************************************************************/
-/* */
-/* Function: crte_mk_rm */
-/* */
-/* Description: This function gets executed by each thread that is created. */
-/* crte_mk_rm() created the directory tree, polpulates it with */
-/* ".c" files and a makefile that will compile the ".c" files and*/
-/* initiate the makefile in the subdirectory under it. Once the */
-/* c source files are compiled it will remove them. */
-/* */
-/* Input: The argument pointer contains the following. */
-/* arg[0] - number of directories to create, depth of the tree. */
-/* arg[1] - number of ".c" files to create in each dir branch. */
-/* */
-/* Return: -1 on failure */
-/* 0 on success */
-/* */
-/******************************************************************************/
-static void *crte_mk_rm(void *args)
+static void setup(void)
{
- int dircnt; /* index to the number of subdirectories */
- int fd; /* file discriptor of the files genetated */
- int filecnt; /* index to the number of ".c" files created */
- int numchar[2]; /* number of characters written to buffer */
- char *dirname; /* name of the directory/idirectory tree */
- char *tmpdirname; /* name of a temporary directory, for swaping */
- char *cfilename; /* name of the ".c" file created */
- char *mkfilename; /* name of the makefile - which is "makefile" */
- char *hostname; /* hostname of the client machine */
- char *prog_buf; /* buffer containing contents of the ".c" file */
- char *make_buf; /* buffer the contents of the makefile */
- char *pwd; /* contains the current working directory */
- long *locargptr = /* local pointer to arguments */
- (long *)args;
- volatile int exit_val = 0; /* exit value of the pthreads */
-
- if ((dirname = malloc(sizeof(char) * 2048)) == NULL) { /* just paranoid */
- perror("crte_mk_rm(): dirname malloc()");
- PTHREAD_EXIT(-1);
- }
-
- if ((tmpdirname = malloc(sizeof(char) * 2048)) == NULL) {
- perror("crte_mk_rm(): tmpdirname malloc()");
- PTHREAD_EXIT(-1);
- }
-
- if ((cfilename = malloc(sizeof(char) * 2048)) == NULL) {
- perror("crte_mk_rm(): cfilename malloc()");
- PTHREAD_EXIT(-1);
- }
-
- if ((mkfilename = malloc(sizeof(char) * 2048)) == NULL) {
- perror("crte_mk_rm(): mkfilename malloc()");
- PTHREAD_EXIT(-1);
- }
-
- if ((prog_buf = malloc(sizeof(char) * 4096)) == NULL) {
- perror("crte_mk_rm(): prog_buf malloc()");
- PTHREAD_EXIT(-1);
- }
-
- if ((pwd = malloc(PATH_MAX)) == NULL) {
- perror("crte_mk_rm(): pwd malloc()");
- PTHREAD_EXIT(-1);
- }
-
- if ((hostname = malloc(sizeof(char) * 1024)) == NULL) {
- perror("crte_mk_rm(): hostname malloc()");
- PTHREAD_EXIT(-1);
- }
-
- if (gethostname(hostname, 255) == -1) {
- perror("crte_mk_rm(): gethostname()");
- PTHREAD_EXIT(-1);
- }
- if (!getcwd(pwd, PATH_MAX)) {
- perror("crte_mk_rm(): getcwd()");
- PTHREAD_EXIT(-1);
- }
-
- numchar[0] = sprintf(prog_buf,
- "main()\n{\n\t printf(\"hello world\");\n}\n");
-
- for (dircnt = 0; dircnt < (int)locargptr[0]; dircnt++) {
- /* First create the base directory, then create the subdirectories */
- if (dircnt == 0)
- sprintf(dirname, "%s.%ld", hostname, gettid());
- else {
- sprintf(tmpdirname, "%s/%ld.%d", dirname, gettid(),
- dircnt);
- sprintf(dirname, "%s", tmpdirname);
- }
- sync();
-
- dprt("pid[%d] creating directory: %s\n", gettid(), dirname);
- if (mkdir(dirname, 0777) == -1) {
- perror("crte_mk_rm(): mkdir()");
- PTHREAD_EXIT(-1);
- }
- }
-
- sync();
- usleep(10);
- for (dircnt = 0; dircnt < (int)locargptr[0]; dircnt++) {
- if (dircnt == 0)
- sprintf(dirname, "%s/%s.%ld", pwd, hostname, gettid());
- else {
- sprintf(tmpdirname, "%s/%ld.%d", dirname, gettid(),
- dircnt);
- sprintf(dirname, "%s", tmpdirname);
- }
- sync();
- if ((make_buf = malloc(sizeof(char) * 4096)) == NULL) {
- perror("crte_mk_rm(): make_buf malloc()");
- PTHREAD_EXIT(-1);
- }
- sprintf(mkfilename, "%s/makefile", dirname);
- {
- /* HACK! I could not write "%.c" to the makefile */
- /* there is probably a correct way to do it */
- char *dotc = malloc(10);
- dotc = ".c";
- sync();
- usleep(10);
- if (dircnt == (locargptr[0] - 1)) {
- numchar[1] = sprintf(make_buf,
- "CFLAGS := -O -w -g\n"
- "SUBDIRS = %ld.%d\n"
- "SRCS=$(wildcard *.c)\n"
- "TARGETS=$(patsubst %%%s,\%%,$(SRCS))\n"
- "all:\t $(TARGETS)\n"
- "clean:\n"
- "\trm -f $(TARGETS)\n",
- gettid(), dircnt + 1,
- dotc);
- } else {
- numchar[1] = sprintf(make_buf,
- "CFLAGS := -O -w -g\n"
- "SUBDIRS = %ld.%d\n"
- "SRCS=$(wildcard *.c)\n"
- "TARGETS=$(patsubst %%%s,\%%,$(SRCS))\n\n\n"
- "all:\t $(TARGETS)\n"
- "\t@for i in $(SUBDIRS); do $(MAKE) -C $$i ; done\n\n"
- "clean:\n"
- "\trm -f $(TARGETS)\n"
- "\t@for i in $(SUBDIRS); do $(MAKE) -C $$i clean ; done\n",
- gettid(), dircnt + 1,
- dotc);
- }
- }
-
- sync();
- usleep(10);
- dprt("pid[%d]: creating in dir: %s\n", gettid(), mkfilename);
- /* create the makefile, complies .c files and initiates make in */
- /* subdirectories. */
- if ((fd = open(mkfilename, O_CREAT | O_RDWR,
- S_IRWXU | S_IRWXG | S_IRWXO)) == -1) {
- dprt(" pid[%d]: failed to create makefile\n", gettid());
- dprt("pid[%d]: failed in directory %s\n", gettid(),
- dirname);
- perror("crte_mk_rm() failed creating makefile: open()");
- PTHREAD_EXIT(-1);
- } else {
- sync();
- if (write(fd, make_buf, numchar[1]) == -1) {
- perror("crte_mk_rm(): write()");
- PTHREAD_EXIT(-1);
- }
-
- free(make_buf);
-
- if (close(fd) == -1) {
- perror("crte_mk_rm(): close()");
- PTHREAD_EXIT(-1);
- }
- }
- }
-
- for (dircnt = 0; dircnt < (int)locargptr[0]; dircnt++) {
- if (dircnt == 0)
- sprintf(dirname, "%s/%s.%ld", pwd, hostname, gettid());
- else {
- sprintf(tmpdirname, "%s/%ld.%d", dirname, gettid(),
- dircnt);
- sprintf(dirname, "%s", tmpdirname);
- }
- sync();
- /* In each directory create N ".c" files and a makefile. */
- for (filecnt = 0; filecnt < (int)locargptr[1]; filecnt++) {
- sprintf(cfilename, "%s/%ld.%d.%d.c", dirname, gettid(),
- dircnt, filecnt);
- dprt("pid[%d]: creating file: %s\n", gettid(),
- cfilename);
- if ((fd =
- open(cfilename, O_CREAT | O_RDWR,
- S_IRWXU | S_IRWXG | S_IRWXO)) == -1) {
- fprintf(stderr,
- "open() failed to create file %s\n",
- cfilename);
- perror
- ("crte_mk_rm(): failed creating .c files: open()");
- PTHREAD_EXIT(-1);
- } else {
- sync();
- /* write the code, this program prints hello world */
- if (write(fd, prog_buf, numchar[0]) == -1) {
- perror("crte_mk_rm(): write()");
- PTHREAD_EXIT(-1);
- }
-
- fsync(fd);
-
- if (close(fd) == -1) {
- perror("crte_mk_rm(): close()");
- PTHREAD_EXIT(-1);
- }
- }
-
- }
- }
-
- if (init_compile(MAKE_EXE, pwd, hostname) == 1) {
- fprintf(stderr, "init_compile() make failed\n");
- PTHREAD_EXIT(-1);
- } else {
- if (init_compile(MAKE_CLEAN, pwd, hostname) == 1) {
- fprintf(stderr, "init_compile() make clean failed\n");
- PTHREAD_EXIT(-1);
- }
- }
-
- sync();
- /* remove all the files makefiles and subdirecotries */
- if (rm_file_dir((int)locargptr[0], (int)locargptr[1], hostname, pwd)) {
- fprintf(stderr, "crte_mk_rm(): rm_file_dir() failed\n");
- PTHREAD_EXIT(-1);
- }
- /* if it made it this far exit with success */
- PTHREAD_EXIT(0);
+ thrd_num = atoi(t_arg);
+ dirs_num = atoi(d_arg);
+ file_num = atoi(f_arg);
}
-/******************************************************************************/
-/* */
-/* Function: main */
-/* */
-/* Description: This is the entry point to the program. This function will */
-/* parse the input arguments and set the values accordingly. If */
-/* no arguments (or desired) are provided default values are used*/
-/* refer the usage function for the arguments that this program */
-/* takes. It also creates the threads which do most of the dirty */
-/* work. If the threads exits with a value '0' the program exits */
-/* with success '0' else it exits with failure '-1'. */
-/* */
-/* Return: -1 on failure */
-/* 0 on success */
-/* */
-/******************************************************************************/
-int main(int argc, /* number of input parameters */
- char **argv)
-{ /* pointer to the command line arguments. */
- int c; /* command line options */
- int num_thrd = MAXT; /* number of threads to create */
- int num_dirs = MAXD; /* number of subdirectories to create */
- int num_files = MAXF; /* number of files in each subdirectory */
- int thrd_ndx; /* index into the array of thread ids */
- void *th_status; /* exit status of LWP's */
- pthread_t thrdid[30]; /* maxinum of 30 threads allowed */
- long chld_args[3]; /* arguments to the thread function */
- extern int optopt; /* options to the program */
-
- while ((c = getopt(argc, argv, "d:f:ht:")) != -1) {
- switch (c) {
- case 'd': /* specify how deep the tree needs to grow */
- if ((num_dirs = atoi(optarg)) == 0)
- OPT_MISSING(argv[0], optopt);
- else if (num_dirs < 0) {
- fprintf(stdout,
- "WARNING: bad argument. Using default\n");
- num_dirs = MAXD;
- }
- break;
- case 'f': /* how many ".c" files in each directory. */
- if ((num_files = atoi(optarg)) == 0)
- OPT_MISSING(argv[0], optopt);
- else if (num_files < 0) {
- fprintf(stdout,
- "WARNING: bad argument. Using default\n");
- num_files = MAXF;
- }
- break;
- case 'h':
- usage(argv[0]);
- break;
- case 't':
- if ((num_thrd = atoi(optarg)) == 0)
- OPT_MISSING(argv[0], optopt);
- else if (num_thrd < 0) {
- fprintf(stdout,
- "WARNING: bad argument. Using default\n");
- num_thrd = MAXT;
- }
- break;
- default:
- usage(argv[0]);
- break;
- }
- }
-
- chld_args[0] = num_dirs;
- chld_args[1] = num_files;
+static void do_test(void)
+{
+ int i;
+ pthread_t id[thrd_num];
- for (thrd_ndx = 0; thrd_ndx < num_thrd; thrd_ndx++) {
- if (pthread_create
- (&thrdid[thrd_ndx], NULL, crte_mk_rm, chld_args)) {
- perror("crte_mk_rm(): pthread_create()");
- exit(-1);
- }
- }
+ for (i = 0; i < thrd_num; ++i)
+ SAFE_PTHREAD_CREATE(id + i, NULL, thread_fn, NULL);
- sync();
+ for (i = 0; i < thrd_num; ++i)
+ SAFE_PTHREAD_JOIN(id[i], NULL);
- for (thrd_ndx = 0; thrd_ndx < num_thrd; thrd_ndx++) {
- if (pthread_join(thrdid[thrd_ndx], &th_status) != 0) {
- perror("crte_mk_rm(): pthread_join()");
- exit(-1);
- } else {
- dprt("WE ARE HERE %d\n", __LINE__);
- if (th_status == (void *)-1) {
- fprintf(stderr,
- "thread [%ld] - process exited with errors\n",
- thrdid[thrd_ndx]);
- exit(-1);
- }
- }
- }
- return (0);
+ tst_res(TPASS, "'make' successfully build and clean all targets");
}
+
+static struct tst_test test = {
+ .tid = "nfs05_make_tree",
+ .options = opts,
+ .needs_tmpdir = 1,
+ .test_all = do_test,
+ .setup = setup,
+};
--
1.7.1
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