/samba-3.5.6/source3/torture/locktest2.c
C | 571 lines | 448 code | 87 blank | 36 comment | 85 complexity | 15efb78ee47af3e9575412eddea61f18 MD5 | raw file
- /*
- 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"
- 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;
- extern char *optarg;
- extern int optind;
- #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 start, len;
- char needed;
- };
- static struct record *recorded;
- static int try_open(struct cli_state *c, char *nfs, int fstype, const char *fname, int flags)
- {
- char *path;
- switch (fstype) {
- case FSTYPE_SMB:
- {
- uint16_t fd;
- if (!NT_STATUS_IS_OK(cli_open(c, fname, flags, DENY_NONE, &fd))) {
- return -1;
- }
- return fd;
- }
- case FSTYPE_NFS:
- if (asprintf(&path, "%s%s", nfs, fname) > 0) {
- int ret;
- string_replace(path,'\\', '/');
- ret = open(path, flags, 0666);
- SAFE_FREE(path);
- return ret;
- }
- break;
- }
- return -1;
- }
- static bool try_close(struct cli_state *c, int fstype, int fd)
- {
- switch (fstype) {
- case FSTYPE_SMB:
- return NT_STATUS_IS_OK(cli_close(c, fd));
- case FSTYPE_NFS:
- return close(fd) == 0;
- }
- return False;
- }
- static bool try_lock(struct cli_state *c, int fstype,
- int fd, unsigned start, unsigned len,
- enum brl_type op)
- {
- struct flock lock;
- switch (fstype) {
- case FSTYPE_SMB:
- return cli_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 cli_state *c, int fstype,
- int fd, unsigned start, unsigned len)
- {
- struct flock lock;
- switch (fstype) {
- case FSTYPE_SMB:
- return NT_STATUS_IS_OK(cli_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;
- }
- static void print_brl(struct file_id id, struct server_id pid,
- enum brl_type lock_type,
- enum brl_flavour lock_flav,
- br_off start, br_off size,
- void *private_data)
- {
- printf("%6d %s %s %.0f:%.0f(%.0f)\n",
- (int)procid_to_pid(&pid), file_id_string_tos(&id),
- lock_type==READ_LOCK?"R":"W",
- (double)start, (double)start+size-1,(double)size);
- }
- /*****************************************************
- return a connection to a server
- *******************************************************/
- static struct cli_state *connect_one(char *share)
- {
- struct cli_state *c;
- char *server_n;
- fstring server;
- fstring myname;
- static int count;
- NTSTATUS nt_status;
- fstrcpy(server,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) {
- fstrcpy(password, pass);
- }
- }
- slprintf(myname,sizeof(myname), "lock-%lu-%u", (unsigned long)getpid(), count++);
- nt_status = cli_full_connection(&c, myname, server_n, NULL, 0, share, "?????",
- username, lp_workgroup(), password, 0,
- Undefined, NULL);
- if (!NT_STATUS_IS_OK(nt_status)) {
- DEBUG(0, ("cli_full_connection failed with error %s\n", nt_errstr(nt_status)));
- return NULL;
- }
- c->use_oplocks = use_oplocks;
- return c;
- }
- static void reconnect(struct cli_state *cli[NSERVERS][NCONNECTIONS],
- char *nfs[NSERVERS],
- int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES],
- 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++) {
- cli_close(cli[server][conn], fnum[server][fstype][conn][f]);
- }
- cli_ulogoff(cli[server][conn]);
- cli_shutdown(cli[server][conn]);
- }
- cli[server][conn] = connect_one(share[server]);
- if (!cli[server][conn]) {
- DEBUG(0,("Failed to connect to %s\n", share[server]));
- exit(1);
- }
- }
- }
- static bool test_one(struct cli_state *cli[NSERVERS][NCONNECTIONS],
- char *nfs[NSERVERS],
- int fnum[NSERVERS][NUMFSTYPES][NCONNECTIONS][NFILES],
- struct record *rec)
- {
- unsigned conn = rec->conn;
- unsigned f = rec->f;
- unsigned fstype = rec->fstype;
- unsigned start = rec->start;
- unsigned len = rec->len;
- unsigned r1 = rec->r1;
- unsigned 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 (showall) brl_forall(print_brl, NULL);
- 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 (showall) brl_forall(print_brl, NULL);
- 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);
- brl_forall(print_brl, NULL);
- }
- }
- return True;
- }
- static void close_files(struct cli_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++) {
- cli_unlink(cli[server][0], FILENAME, aSYSTEM | aHIDDEN);
- }
- }
- static void open_files(struct cli_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 cli_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(char *share1, char *share2, char *nfspath1, char *nfspath2)
- {
- struct cli_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 = SMB_MALLOC_ARRAY(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)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(cli, nfs, fnum, 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(cli, nfs, fnum, 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(cli, nfs, fnum, 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;
- int opt;
- char *p;
- int seed;
- 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],True);
- argc -= 4;
- argv += 4;
- lp_load(get_dyn_CONFIGFILE(),True,False,False,True);
- load_interfaces();
- if (getenv("USER")) {
- fstrcpy(username,getenv("USER"));
- }
- seed = time(NULL);
- while ((opt = getopt(argc, argv, "U:s:ho:aAW:O")) != EOF) {
- switch (opt) {
- case 'U':
- fstrcpy(username,optarg);
- p = strchr_m(username,'%');
- if (p) {
- *p = 0;
- fstrcpy(password, 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);
- locking_init_readonly();
- test_locks(share1, share2, nfspath1, nfspath2);
- return(0);
- }