s4-torture Remove torture/locktest2.c (no longer compiled and unused)
authorAndrew Bartlett <abartlet@samba.org>
Fri, 29 Oct 2010 04:11:11 +0000 (15:11 +1100)
committerAndrew Bartlett <abartlet@samba.org>
Mon, 1 Nov 2010 23:34:06 +0000 (23:34 +0000)
This is a left-over of a speculative approach to lock testing that
didn't go anywhere.

Andrew Bartlett

source4/torture/locktest2.c [deleted file]

diff --git a/source4/torture/locktest2.c b/source4/torture/locktest2.c
deleted file mode 100644 (file)
index 7364d6d..0000000
+++ /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);
-}