From ad7b551edc75ffb7233f5eafdd3680c2c20eef92 Mon Sep 17 00:00:00 2001
From: Andrew Bartlett <abartlet@samba.org>
Date: Fri, 29 Oct 2010 15:11:11 +1100
Subject: [PATCH] s4-torture Remove torture/locktest2.c (no longer compiled and
 unused)

This is a left-over of a speculative approach to lock testing that
didn't go anywhere.

Andrew Bartlett
---
 source4/torture/locktest2.c | 578 ------------------------------------
 1 file changed, 578 deletions(-)
 delete mode 100644 source4/torture/locktest2.c

diff --git a/source4/torture/locktest2.c b/source4/torture/locktest2.c
deleted file mode 100644
index 7364d6df2ff..00000000000
--- a/source4/torture/locktest2.c
+++ /dev/null
@@ -1,578 +0,0 @@
-/* 
-   Unix SMB/CIFS implementation.
-   byte range lock tester - with local filesystem support
-   Copyright (C) Andrew Tridgell 1999
-   
-   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 3 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, see <http://www.gnu.org/licenses/>.
-*/
-
-#include "includes.h"
-#include "system/passwd.h"
-#include "lib/events/events.h"
-
-static fstring password;
-static fstring username;
-static int got_pass;
-static int numops = 1000;
-static bool showall;
-static bool analyze;
-static bool hide_unlock_fails;
-static bool use_oplocks;
-
-#define FILENAME "\\locktest.dat"
-#define LOCKRANGE 100
-#define LOCKBASE 0
-
-/*
-#define LOCKBASE (0x40000000 - 50)
-*/
-
-#define READ_PCT 50
-#define LOCK_PCT 25
-#define UNLOCK_PCT 65
-#define RANGE_MULTIPLE 1
-
-#define NSERVERS 2
-#define NCONNECTIONS 2
-#define NUMFSTYPES 2
-#define NFILES 2
-#define LOCK_TIMEOUT 0
-
-#define FSTYPE_SMB 0
-#define FSTYPE_NFS 1
-
-struct record {
-	char r1, r2;
-	char conn, f, fstype;
-	unsigned int start, len;
-	char needed;
-};
-
-static struct record *recorded;
-
-static int try_open(struct smbcli_state *c, char *nfs, int fstype, const char *fname, int flags)
-{
-	char *path;
-	int ret;
-
-	switch (fstype) {
-	case FSTYPE_SMB:
-		return smbcli_open(c, fname, flags, DENY_NONE);
-
-	case FSTYPE_NFS:
-		asprintf(&path, "%s%s", nfs, fname);
-		string_replace(path,'\\', '/');
-		ret = open(path, flags, 0666);
-		SAFE_FREE(Path);
-		return ret;
-	}
-
-	return -1;
-}
-
-static bool try_close(struct smbcli_state *c, int fstype, int fd)
-{
-	switch (fstype) {
-	case FSTYPE_SMB:
-		return smbcli_close(c, fd);
-
-	case FSTYPE_NFS:
-		return close(fd) == 0;
-	}
-
-	return false;
-}
-
-static bool try_lock(struct smbcli_state *c, int fstype, 
-		     int fd, unsigned int start, unsigned int len,
-		     enum brl_type op)
-{
-	struct flock lock;
-
-	switch (fstype) {
-	case FSTYPE_SMB:
-		return smbcli_lock(c, fd, start, len, LOCK_TIMEOUT, op);
-
-	case FSTYPE_NFS:
-		lock.l_type = (op==READ_LOCK) ? F_RDLCK:F_WRLCK;
-		lock.l_whence = SEEK_SET;
-		lock.l_start = start;
-		lock.l_len = len;
-		lock.l_pid = getpid();
-		return fcntl(fd,F_SETLK,&lock) == 0;
-	}
-
-	return false;
-}
-
-static bool try_unlock(struct smbcli_state *c, int fstype, 
-		       int fd, unsigned int start, unsigned int len)
-{
-	struct flock lock;
-
-	switch (fstype) {
-	case FSTYPE_SMB:
-		return smbcli_unlock(c, fd, start, len);
-
-	case FSTYPE_NFS:
-		lock.l_type = F_UNLCK;
-		lock.l_whence = SEEK_SET;
-		lock.l_start = start;
-		lock.l_len = len;
-		lock.l_pid = getpid();
-		return fcntl(fd,F_SETLK,&lock) == 0;
-	}
-
-	return false;
-}	
-
-/***************************************************** 
-return a connection to a server
-*******************************************************/
-static struct smbcli_state *connect_one(TALLOC_CTX *mem_ctx,
-										char *share, const char **ports,
-					struct smb_options *options,
-					struct smb_options *session_options,
-					struct gensec_settings *gensec_settings,
-					struct tevent_context *ev)
-{
-	struct smbcli_state *c;
-	char *server_n;
-	char *server;
-	char *myname;
-	static int count;
-	NTSTATUS nt_status;
-
-	server = talloc_strdup(mem_ctx, share+2);
-	share = strchr_m(server,'\\');
-	if (!share) return NULL;
-	*share = 0;
-	share++;
-
-	server_n = server;
-	
-	if (!got_pass) {
-		char *pass = getpass("Password: ");
-		if (pass) {
-			password = talloc_strdup(mem_ctx, pass);
-		}
-	}
-
-	myname = talloc_asprintf(mem_ctx, "lock-%u-%u", getpid(), count++);
-
-	nt_status = smbcli_full_connection(NULL, 
-			   &c, myname, server_n, ports, share, NULL,
-			   username, lpcfg_workgroup(), password, ev,
-			   options, session_options, gensec_settings);
-	if (!NT_STATUS_IS_OK(nt_status)) {
-		DEBUG(0, ("smbcli_full_connection failed with error %s\n", nt_errstr(nt_status)));
-		return NULL;
-	}
-
-	c->use_oplocks = use_oplocks;
-
-	return c;
-}
-
-
-static void reconnect(TALLOC_CTX *mem_ctx, 
-					  struct smbcli_state *cli[NSERVERS][NCONNECTIONS], 
-		      char *nfs[NSERVERS], 
-		      int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES],
-		      const char **ports,
-		      struct smbcli_options *options,
-		      struct smbcli_session_options *session_options,
-			  struct gensec_settings *gensec_settings,
-		      struct tevent_context *ev,
-		      char *share1, char *share2)
-{
-	int server, conn, f, fstype;
-	char *share[2];
-	share[0] = share1;
-	share[1] = share2;
-
-	fstype = FSTYPE_SMB;
-
-	for (server=0;server<NSERVERS;server++)
-	for (conn=0;conn<NCONNECTIONS;conn++) {
-		if (cli[server][conn]) {
-			for (f=0;f<NFILES;f++) {
-				smbcli_close(cli[server][conn], fnum[server][fstype][conn][f]);
-			}
-			smbcli_ulogoff(cli[server][conn]);
-			talloc_free(cli[server][conn]);
-		}
-		cli[server][conn] = connect_one(mem_ctx, share[server], ports, options, session_options, gensec_settings, ev);
-		if (!cli[server][conn]) {
-			DEBUG(0,("Failed to connect to %s\n", share[server]));
-			exit(1);
-		}
-	}
-}
-
-
-
-static bool test_one(struct smbcli_state *cli[NSERVERS][NCONNECTIONS], 
-		     char *nfs[NSERVERS],
-		     int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES],
-		     struct record *rec)
-{
-	unsigned int conn = rec->conn;
-	unsigned int f = rec->f;
-	unsigned int fstype = rec->fstype;
-	unsigned int start = rec->start;
-	unsigned int len = rec->len;
-	unsigned int r1 = rec->r1;
-	unsigned int r2 = rec->r2;
-	enum brl_type op;
-	int server;
-	bool ret[NSERVERS];
-
-	if (r1 < READ_PCT) {
-		op = READ_LOCK; 
-	} else {
-		op = WRITE_LOCK; 
-	}
-
-	if (r2 < LOCK_PCT) {
-		/* set a lock */
-		for (server=0;server<NSERVERS;server++) {
-			ret[server] = try_lock(cli[server][conn], fstype,
-					       fnum[server][fstype][conn][f],
-					       start, len, op);
-		}
-		if (showall || ret[0] != ret[1]) {
-			printf("lock   conn=%u fstype=%u f=%u range=%u:%u(%u) op=%s -> %u:%u\n",
-			       conn, fstype, f, 
-			       start, start+len-1, len,
-			       op==READ_LOCK?"READ_LOCK":"WRITE_LOCK",
-			       ret[0], ret[1]);
-		}
-		if (ret[0] != ret[1]) return false;
-	} else if (r2 < LOCK_PCT+UNLOCK_PCT) {
-		/* unset a lock */
-		for (server=0;server<NSERVERS;server++) {
-			ret[server] = try_unlock(cli[server][conn], fstype,
-						 fnum[server][fstype][conn][f],
-						 start, len);
-		}
-		if (showall || (!hide_unlock_fails && (ret[0] != ret[1]))) {
-			printf("unlock conn=%u fstype=%u f=%u range=%u:%u(%u)       -> %u:%u\n",
-			       conn, fstype, f, 
-			       start, start+len-1, len,
-			       ret[0], ret[1]);
-		}
-		if (!hide_unlock_fails && ret[0] != ret[1]) return false;
-	} else {
-		/* reopen the file */
-		for (server=0;server<NSERVERS;server++) {
-			try_close(cli[server][conn], fstype, fnum[server][fstype][conn][f]);
-			fnum[server][fstype][conn][f] = try_open(cli[server][conn], nfs[server], fstype, FILENAME,
-								 O_RDWR|O_CREAT);
-			if (fnum[server][fstype][conn][f] == -1) {
-				printf("failed to reopen on share1\n");
-				return false;
-			}
-		}
-		if (showall) {
-			printf("reopen conn=%u fstype=%u f=%u\n",
-			       conn, fstype, f);
-		}
-	}
-	return true;
-}
-
-static void close_files(struct smbcli_state *cli[NSERVERS][NCONNECTIONS], 
-			char *nfs[NSERVERS],
-			int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES])
-{
-	int server, conn, f, fstype; 
-
-	for (server=0;server<NSERVERS;server++)
-	for (fstype=0;fstype<NUMFSTYPES;fstype++)
-	for (conn=0;conn<NCONNECTIONS;conn++)
-	for (f=0;f<NFILES;f++) {
-		if (fnum[server][fstype][conn][f] != -1) {
-			try_close(cli[server][conn], fstype, fnum[server][fstype][conn][f]);
-			fnum[server][fstype][conn][f] = -1;
-		}
-	}
-	for (server=0;server<NSERVERS;server++) {
-		smbcli_unlink(cli[server][0], FILENAME);
-	}
-}
-
-static void open_files(struct smbcli_state *cli[NSERVERS][NCONNECTIONS], 
-		       char *nfs[NSERVERS],
-		       int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES])
-{
-	int server, fstype, conn, f; 
-
-	for (server=0;server<NSERVERS;server++)
-	for (fstype=0;fstype<NUMFSTYPES;fstype++)
-	for (conn=0;conn<NCONNECTIONS;conn++)
-	for (f=0;f<NFILES;f++) {
-		fnum[server][fstype][conn][f] = try_open(cli[server][conn], nfs[server], fstype, FILENAME,
-							 O_RDWR|O_CREAT);
-		if (fnum[server][fstype][conn][f] == -1) {
-			fprintf(stderr,"Failed to open fnum[%u][%u][%u][%u]\n",
-				server, fstype, conn, f);
-			exit(1);
-		}
-	}
-}
-
-
-static int retest(struct smbcli_state *cli[NSERVERS][NCONNECTIONS], 
-		  char *nfs[NSERVERS],
-		  int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES],
-		  int n)
-{
-	int i;
-	printf("Testing %u ...\n", n);
-	for (i=0; i<n; i++) {
-		if (i && i % 100 == 0) {
-			printf("%u\n", i);
-		}
-
-		if (recorded[i].needed &&
-		    !test_one(cli, nfs, fnum, &recorded[i])) return i;
-	}
-	return n;
-}
-
-
-/* each server has two connections open to it. Each connection has two file
-   descriptors open on the file - 8 file descriptors in total 
-
-   we then do random locking ops in tamdem on the 4 fnums from each
-   server and ensure that the results match
- */
-static void test_locks(TALLOC_CTX *mem_ctx, char *share1, char *share2,
-			char *nfspath1, char *nfspath2,
-			const char **ports,
-			struct smbcli_options *options,
-			struct smbcli_session_options *session_options,
-			struct gensec_settings *gensec_settings,
-			struct tevent_context *ev)
-{
-	struct smbcli_state *cli[NSERVERS][NCONNECTIONS];
-	char *nfs[NSERVERS];
-	int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES];
-	int n, i, n1; 
-
-	nfs[0] = nfspath1;
-	nfs[1] = nfspath2;
-
-	ZERO_STRUCT(fnum);
-	ZERO_STRUCT(cli);
-
-	recorded = malloc_array_p(struct record, numops);
-
-	for (n=0; n<numops; n++) {
-		recorded[n].conn = random() % NCONNECTIONS;
-		recorded[n].fstype = random() % NUMFSTYPES;
-		recorded[n].f = random() % NFILES;
-		recorded[n].start = LOCKBASE + ((unsigned int)random() % (LOCKRANGE-1));
-		recorded[n].len = 1 + 
-			random() % (LOCKRANGE-(recorded[n].start-LOCKBASE));
-		recorded[n].start *= RANGE_MULTIPLE;
-		recorded[n].len *= RANGE_MULTIPLE;
-		recorded[n].r1 = random() % 100;
-		recorded[n].r2 = random() % 100;
-		recorded[n].needed = true;
-	}
-
-	reconnect(mem_ctx, cli, nfs, fnum, ports, options, session_options, gensec_settings, ev, share1, share2);
-	open_files(cli, nfs, fnum);
-	n = retest(cli, nfs, fnum, numops);
-
-	if (n == numops || !analyze) return;
-	n++;
-
-	while (1) {
-		n1 = n;
-
-		close_files(cli, nfs, fnum);
-		reconnect(mem_ctx, cli, nfs, fnum, ports, options, session_options, ev, share1, share2);
-		open_files(cli, nfs, fnum);
-
-		for (i=0;i<n-1;i++) {
-			int m;
-			recorded[i].needed = false;
-
-			close_files(cli, nfs, fnum);
-			open_files(cli, nfs, fnum);
-
-			m = retest(cli, nfs, fnum, n);
-			if (m == n) {
-				recorded[i].needed = true;
-			} else {
-				if (i < m) {
-					memmove(&recorded[i], &recorded[i+1],
-						(m-i)*sizeof(recorded[0]));
-				}
-				n = m;
-				i--;
-			}
-		}
-
-		if (n1 == n) break;
-	}
-
-	close_files(cli, nfs, fnum);
-	reconnect(mem_ctx, cli, nfs, fnum, ports, options, session_options, gensec_settings, ev, share1, share2);
-	open_files(cli, nfs, fnum);
-	showall = true;
-	n1 = retest(cli, nfs, fnum, n);
-	if (n1 != n-1) {
-		printf("ERROR - inconsistent result (%u %u)\n", n1, n);
-	}
-	close_files(cli, nfs, fnum);
-
-	for (i=0;i<n;i++) {
-		printf("{%u, %u, %u, %u, %u, %u, %u, %u},\n",
-		       recorded[i].r1,
-		       recorded[i].r2,
-		       recorded[i].conn,
-		       recorded[i].fstype,
-		       recorded[i].f,
-		       recorded[i].start,
-		       recorded[i].len,
-		       recorded[i].needed);
-	}	
-}
-
-
-
-static void usage(void)
-{
-	printf(
-"Usage:\n\
-  locktest //server1/share1 //server2/share2 /path1 /path2 [options..]\n\
-  options:\n\
-        -U user%%pass\n\
-        -s seed\n\
-        -o numops\n\
-        -u          hide unlock fails\n\
-        -a          (show all ops)\n\
-        -O          use oplocks\n\
-");
-}
-
-/****************************************************************************
-  main program
-****************************************************************************/
- int main(int argc,char *argv[])
-{
-	char *share1, *share2, *nfspath1, *nfspath2;
-	extern char *optarg;
-	extern int optind;
-	struct smbcli_options options;
-	struct smbcli_session_options session_options;
-	TALLOC_CTX *mem_ctx;
-	int opt;
-	char *p;
-	int seed;
-	struct loadparm_context *lp_ctx;
-	struct tevent_context *ev;
-
-	mem_ctx = talloc_autofree_context();
-
-	setlinebuf(stdout);
-
-	dbf = x_stderr;
-
-	if (argc < 5 || argv[1][0] == '-') {
-		usage();
-		exit(1);
-	}
-
-	share1 = argv[1];
-	share2 = argv[2];
-	nfspath1 = argv[3];
-	nfspath2 = argv[4];
-
-	all_string_sub(share1,"/","\\",0);
-	all_string_sub(share2,"/","\\",0);
-
-	setup_logging(argv[0], DEBUG_STDOUT);
-
-	argc -= 4;
-	argv += 4;
-
-	lp_ctx = loadparm_init(mem_ctx);
-	lpcfg_load(lp_ctx, dyn_CONFIGFILE);
-
-	if (getenv("USER")) {
-		username = talloc_strdup(mem_ctx, getenv("USER"));
-	}
-
-	seed = time(NULL);
-
-	while ((opt = getopt(argc, argv, "U:s:ho:aAW:O")) != EOF) {
-		switch (opt) {
-		case 'U':
-			username = talloc_strdup(mem_ctx, optarg);
-			p = strchr_m(username,'%');
-			if (p) {
-				*p = 0;
-				password = talloc_strdup(mem_ctx, p+1);
-				got_pass = 1;
-			}
-			break;
-		case 's':
-			seed = atoi(optarg);
-			break;
-		case 'u':
-			hide_unlock_fails = true;
-			break;
-		case 'o':
-			numops = atoi(optarg);
-			break;
-		case 'O':
-			use_oplocks = true;
-			break;
-		case 'a':
-			showall = true;
-			break;
-		case 'A':
-			analyze = true;
-			break;
-		case 'h':
-			usage();
-			exit(1);
-		default:
-			printf("Unknown option %c (%d)\n", (char)opt, opt);
-			exit(1);
-		}
-	}
-
-	argc -= optind;
-	argv += optind;
-
-	DEBUG(0,("seed=%u\n", seed));
-	srandom(seed);
-
-	ev = s4_event_context_init(mem_ctx);
-
-	locking_init(1);
-	lpcfg_smbcli_options(lp_ctx, &options);
-	lpcfg_smbcli_session_options(lp_ctx, &session_options);
-	test_locks(mem_ctx, share1, share2, nfspath1, nfspath2, 
-			   lpcfg_smb_ports(lp_ctx),
-			   &options, &session_options, lpcfg_gensec_settings(lp_ctx), ev);
-
-	return(0);
-}
-- 
2.34.1