int
main(
int argc,
char **argv)
{
dm_sessid_t sid, oldsid, targetsid, *newsidp, *sidbufp;
dm_token_t token, *tokenp, *rtokenp, *tokenbufp;
dm_attrname_t *attrnamep;
dm_off_t off, *offp, *roffp;
dm_extent_t *extentp;
dm_inherit_t *inheritbufp;
dm_stat_t *statp;
dm_size_t len, *dmrlenp, *retvalp;
dm_attrloc_t *locp;
dm_eventset_t *eventsetp;
dm_config_t flagname;
dm_region_t *regbufp;
dm_response_t response;
dm_right_t right, *rightp;
dm_igen_t igen, *igenp;
dm_msgtype_t msgtype;
dm_fileattr_t *attrp;
dm_boolean_t enable, *exactflagp;
dm_timestruct_t *delay;
mode_t mode;
size_t hlen, dirhlen, hlen1, hlen2, targhlen, *fshlenp, *hlenp;
size_t msglen, buflen, *rlenp;
u_int nelem, mask, maxmsgs, uflags, *nelemp, maxevent;
void *hanp, *dirhanp, *hanp1, *hanp2, *targhanp;
void *msgdatap, *bufp, **hanpp, *respbufp, **fshanpp;
dm_fsid_t fsid, *fsidp;
dm_ino_t ino, *inop;
char *cname, *sessinfop, *path, *pathbufp, **versionstrpp;
int flags, fd, setdtime, reterror;
u_int urc;
int rc;
dm_ssize_t ssrc;
/* Definitions per the prototypes in dmport.h, in the same order. */
rc = dm_clear_inherit(sid, hanp, hlen, token, attrnamep);
rc = dm_create_by_handle(sid, dirhanp, dirhlen, token,
hanp, hlen, cname);
rc = dm_create_session(oldsid, sessinfop, newsidp);
rc = dm_create_userevent(sid, msglen, msgdatap, tokenp);
rc = dm_destroy_session(sid);
rc = dm_downgrade_right(sid, hanp, hlen, token);
rc = dm_fd_to_handle(fd, hanpp, hlenp);
rc = dm_find_eventmsg(sid, token, buflen, bufp, rlenp);
rc = dm_get_allocinfo(sid, hanp, hlen,
token, offp, nelem, extentp, nelemp);
rc = dm_get_bulkall(sid, hanp, hlen, token, mask, attrnamep,
locp, buflen, bufp, rlenp);
rc = dm_get_bulkattr(sid, hanp, hlen, token, mask, locp, buflen,
bufp, rlenp);
rc = dm_get_config(hanp, hlen, flagname, retvalp);
rc = dm_get_config_events(hanp, hlen, nelem, eventsetp, nelemp);
rc = dm_get_dirattrs(sid, hanp, hlen, token, mask, locp, buflen,
bufp, rlenp);
rc = dm_get_dmattr(sid, hanp, hlen, token, attrnamep, buflen,
bufp, rlenp);
rc = dm_get_eventlist(sid, hanp, hlen, token, nelem, eventsetp, nelemp);
rc = dm_get_events(sid, maxmsgs, flags, buflen, bufp, rlenp);
rc = dm_get_fileattr(sid, hanp, hlen, token, mask, statp);
rc = dm_get_mountinfo(sid, hanp, hlen, token, buflen, bufp, rlenp);
rc = dm_get_region(sid, hanp, hlen, token, nelem, regbufp, nelemp);
rc = dm_getall_disp(sid, buflen, bufp, rlenp);
rc = dm_getall_dmattr(sid, hanp, hlen, token, buflen, bufp, rlenp);
rc = dm_getall_inherit(sid, hanp, hlen,
token, nelem, inheritbufp, nelemp);
rc = dm_getall_sessions(nelem, sidbufp, nelemp);
rc = dm_getall_tokens(sid, nelem, tokenbufp, nelemp);
rc = dm_handle_cmp(hanp1, hlen1, hanp2, hlen2);
dm_handle_free(hanp, hlen);
urc = dm_handle_hash(hanp, hlen);
rc = dm_handle_is_valid(hanp, hlen);
rc = dm_handle_to_fshandle(hanp, hlen, fshanpp, fshlenp);
rc = dm_handle_to_fsid(hanp, hlen, fsidp);
rc = dm_handle_to_igen(hanp, hlen, igenp);
rc = dm_handle_to_ino(hanp, hlen, inop);
rc = dm_handle_to_path(dirhanp, dirhlen, targhanp, targhlen,
buflen, pathbufp, rlenp);
rc = dm_init_attrloc(sid, hanp, hlen, token, locp);
rc = dm_init_service(versionstrpp);
rc = dm_make_handle(&fsid, &ino, &igen, hanpp, hlenp);
rc = dm_make_fshandle(&fsid, hanpp, hlenp);
rc = dm_mkdir_by_handle(sid, dirhanp, dirhlen, token,
hanp, hlen, cname);
rc = dm_move_event(sid, token, targetsid, rtokenp);
rc = dm_obj_ref_hold(sid, token, hanp, hlen);
rc = dm_obj_ref_query(sid, token, hanp, hlen);
rc = dm_obj_ref_rele(sid, token, hanp, hlen);
rc = dm_path_to_fshandle(path, hanpp, hlenp);
rc = dm_path_to_handle(path, hanpp, hlenp);
rc = dm_pending(sid, token, delay);
rc = dm_probe_hole(sid, hanp, hlen, token, off, len, roffp, dmrlenp);
rc = dm_punch_hole(sid, hanp, hlen, token, off, len);
rc = dm_query_right(sid, hanp, hlen, token, rightp);
rc = dm_query_session(sid, buflen, bufp, rlenp);
ssrc = dm_read_invis(sid, hanp, hlen, token, off, len, bufp);
rc = dm_release_right(sid, hanp, hlen, token);
rc = dm_remove_dmattr(sid, hanp, hlen, token, setdtime, attrnamep);
rc = dm_request_right(sid, hanp, hlen, token, uflags, right);
rc = dm_respond_event(sid, token, response, reterror, buflen, respbufp);
rc = dm_send_msg(sid, msgtype, buflen, bufp);
rc = dm_set_disp(sid, hanp, hlen, token, eventsetp, maxevent);
rc = dm_set_dmattr(sid, hanp, hlen,
token, attrnamep, setdtime, buflen, bufp);
rc = dm_set_eventlist(sid, hanp, hlen, token, eventsetp, maxevent);
rc = dm_set_fileattr(sid, hanp, hlen, token, mask, attrp);
rc = dm_set_inherit(sid, hanp, hlen, token, attrnamep, mode);
rc = dm_set_region(sid, hanp, hlen, token, nelem, regbufp, exactflagp);
rc = dm_set_return_on_destroy(sid, hanp, hlen,
token, attrnamep, enable);
rc = dm_symlink_by_handle(sid, dirhanp, dirhlen, token,
hanp, hlen, cname, path);
rc = dm_sync_by_handle(sid, hanp, hlen, token);
rc = dm_upgrade_right(sid, hanp, hlen, token);
ssrc = dm_write_invis(sid, hanp, hlen, flags, token, off, len, bufp);
exit(0);
}
static int
dmapi_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
unsigned long arg)
{
sys_dmapi_args_t kargs;
sys_dmapi_args_t *uap = &kargs;
int error = 0;
int rvp = -ENOSYS;
int use_rvp = 0;
if (!capable(CAP_MKNOD))
return(-EPERM);
if( copy_from_user( &kargs, (sys_dmapi_args_t*)arg,
sizeof(sys_dmapi_args_t) ) )
return -EFAULT;
switch (cmd) {
case DM_CLEAR_INHERIT:
error = dm_clear_inherit(
(dm_sessid_t) uap->arg1, /* sid */
(void *) uap->arg2, /* hanp */
(size_t) uap->arg3, /* hlen */
(dm_token_t) uap->arg4, /* token */
(dm_attrname_t *) uap->arg5); /* attrnamep */
break;
case DM_CREATE_BY_HANDLE:
error = dm_create_by_handle(
(dm_sessid_t) uap->arg1, /* sid */
(void *) uap->arg2, /* dirhanp */
(size_t) uap->arg3, /* dirhlen */
(dm_token_t) uap->arg4, /* token */
(void *) uap->arg5, /* hanp */
(size_t) uap->arg6, /* hlen */
(char *) uap->arg7); /* cname */
break;
case DM_CREATE_SESSION:
error = dm_create_session(
(dm_sessid_t) uap->arg1, /* oldsid */
(char *) uap->arg2, /* sessinfop */
(dm_sessid_t *) uap->arg3); /* newsidp */
break;
case DM_CREATE_USEREVENT:
error = dm_create_userevent(
(dm_sessid_t) uap->arg1, /* sid */
(size_t) uap->arg2, /* msglen */
(void *) uap->arg3, /* msgdatap */
(dm_token_t *) uap->arg4); /* tokenp */
break;
case DM_DESTROY_SESSION:
error = dm_destroy_session(
(dm_sessid_t) uap->arg1); /* sid */
break;
case DM_DOWNGRADE_RIGHT:
error = dm_downgrade_right(
(dm_sessid_t) uap->arg1, /* sid */
(void *) uap->arg2, /* hanp */
(size_t) uap->arg3, /* hlen */
(dm_token_t) uap->arg4); /* token */
break;
case DM_FD_TO_HANDLE:
error = dm_fd_to_hdl(
(int) uap->arg1, /* fd */
(void *) uap->arg2, /* hanp */
(size_t *) uap->arg3); /* hlenp */
break;
case DM_FIND_EVENTMSG:
error = dm_find_eventmsg(
(dm_sessid_t) uap->arg1, /* sid */
(dm_token_t) uap->arg2, /* token */
(size_t) uap->arg3, /* buflen */
(void *) uap->arg4, /* bufp */
(size_t *) uap->arg5); /* rlenp */
break;
case DM_GET_ALLOCINFO:
use_rvp = 1;
error = dm_get_allocinfo_rvp(
(dm_sessid_t) uap->arg1, /* sid */
(void *) uap->arg2, /* hanp */
(size_t) uap->arg3, /* hlen */
(dm_token_t) uap->arg4, /* token */
(dm_off_t *) uap->arg5, /* offp */
(u_int) uap->arg6, /* nelem */
(dm_extent_t *) uap->arg7, /* extentp */
(u_int *) uap->arg8, /* nelemp */
&rvp);
break;
case DM_GET_BULKALL:
use_rvp = 1;
error = dm_get_bulkall_rvp(
(dm_sessid_t) uap->arg1, /* sid */
(void *) uap->arg2, /* hanp */
(size_t) uap->arg3, /* hlen */
(dm_token_t) uap->arg4, /* token */
(u_int) uap->arg5, /* mask */
(dm_attrname_t *) uap->arg6, /* attrnamep */
(dm_attrloc_t *) uap->arg7, /* locp */
(size_t) uap->arg8, /* buflen */
(void *) uap->arg9, /* bufp */
(size_t *) uap->arg10, /* rlenp */
&rvp);
break;
case DM_GET_BULKATTR:
use_rvp = 1;
error = dm_get_bulkattr_rvp(
(dm_sessid_t) uap->arg1, /* sid */
(void *) uap->arg2, /* hanp */
(size_t) uap->arg3, /* hlen */
(dm_token_t) uap->arg4, /* token */
(u_int) uap->arg5, /* mask */
(dm_attrloc_t *)uap->arg6, /* locp */
(size_t) uap->arg7, /* buflen */
(void *) uap->arg8, /* bufp */
(size_t *) uap->arg9, /* rlenp */
&rvp);
break;
case DM_GET_CONFIG:
error = dm_get_config(
(void *) uap->arg1, /* hanp */
(size_t) uap->arg2, /* hlen */
(dm_config_t) uap->arg3, /* flagname */
(dm_size_t *) uap->arg4); /* retvalp */
break;
case DM_GET_CONFIG_EVENTS:
error = dm_get_config_events(
(void *) uap->arg1, /* hanp */
(size_t) uap->arg2, /* hlen */
(u_int) uap->arg3, /* nelem */
(dm_eventset_t *) uap->arg4, /* eventsetp */
(u_int *) uap->arg5); /* nelemp */
break;
case DM_GET_DIOINFO:
error = dm_get_dioinfo(
(dm_sessid_t) uap->arg1, /* sid */
(void *) uap->arg2, /* hanp */
(size_t) uap->arg3, /* hlen */
(dm_token_t) uap->arg4, /* token */
(dm_dioinfo_t *)uap->arg5); /* diop */
break;
case DM_GET_DIRATTRS:
use_rvp = 1;
error = dm_get_dirattrs_rvp(
(dm_sessid_t) uap->arg1, /* sid */
(void *) uap->arg2, /* hanp */
(size_t) uap->arg3, /* hlen */
(dm_token_t) uap->arg4, /* token */
(u_int) uap->arg5, /* mask */
(dm_attrloc_t *)uap->arg6, /* locp */
(size_t) uap->arg7, /* buflen */
(void *) uap->arg8, /* bufp */
(size_t *) uap->arg9, /* rlenp */
&rvp);
break;
case DM_GET_DMATTR:
error = dm_get_dmattr(
(dm_sessid_t) uap->arg1, /* sid */
(void *) uap->arg2, /* hanp */
(size_t) uap->arg3, /* hlen */
(dm_token_t) uap->arg4, /* token */
(dm_attrname_t *) uap->arg5, /* attrnamep */
(size_t) uap->arg6, /* buflen */
(void *) uap->arg7, /* bufp */
(size_t *) uap->arg8); /* rlenp */
break;
case DM_GET_EVENTLIST:
error = dm_get_eventlist(
(dm_sessid_t) uap->arg1, /* sid */
(void *) uap->arg2, /* hanp */
(size_t) uap->arg3, /* hlen */
(dm_token_t) uap->arg4, /* token */
(u_int) uap->arg5, /* nelem */
(dm_eventset_t *) uap->arg6, /* eventsetp */
(u_int *) uap->arg7); /* nelemp */
break;
case DM_GET_EVENTS:
error = dm_get_events(
(dm_sessid_t) uap->arg1, /* sid */
(u_int) uap->arg2, /* maxmsgs */
(u_int) uap->arg3, /* flags */
(size_t) uap->arg4, /* buflen */
(void *) uap->arg5, /* bufp */
(size_t *) uap->arg6); /* rlenp */
break;
case DM_GET_FILEATTR:
error = dm_get_fileattr(
(dm_sessid_t) uap->arg1, /* sid */
(void *) uap->arg2, /* hanp */
(size_t) uap->arg3, /* hlen */
(dm_token_t) uap->arg4, /* token */
(u_int) uap->arg5, /* mask */
(dm_stat_t *) uap->arg6); /* statp */
break;
case DM_GET_MOUNTINFO:
error = dm_get_mountinfo(
(dm_sessid_t) uap->arg1, /* sid */
(void *) uap->arg2, /* hanp */
(size_t) uap->arg3, /* hlen */
(dm_token_t) uap->arg4, /* token */
(size_t) uap->arg5, /* buflen */
(void *) uap->arg6, /* bufp */
(size_t *) uap->arg7); /* rlenp */
break;
case DM_GET_REGION:
error = dm_get_region(
(dm_sessid_t) uap->arg1, /* sid */
(void *) uap->arg2, /* hanp */
(size_t) uap->arg3, /* hlen */
(dm_token_t) uap->arg4, /* token */
(u_int) uap->arg5, /* nelem */
(dm_region_t *) uap->arg6, /* regbufp */
(u_int *) uap->arg7); /* nelemp */
break;
case DM_GETALL_DISP:
error = dm_getall_disp(
(dm_sessid_t) uap->arg1, /* sid */
(size_t) uap->arg2, /* buflen */
(void *) uap->arg3, /* bufp */
(size_t *) uap->arg4); /* rlenp */
break;
case DM_GETALL_DMATTR:
error = dm_getall_dmattr(
(dm_sessid_t) uap->arg1, /* sid */
(void *) uap->arg2, /* hanp */
(size_t) uap->arg3, /* hlen */
(dm_token_t) uap->arg4, /* token */
(size_t) uap->arg5, /* buflen */
(void *) uap->arg6, /* bufp */
(size_t *) uap->arg7); /* rlenp */
break;
case DM_GETALL_INHERIT:
error = dm_getall_inherit(
(dm_sessid_t) uap->arg1, /* sid */
(void *) uap->arg2, /* hanp */
(size_t) uap->arg3, /* hlen */
(dm_token_t) uap->arg4, /* token */
(u_int) uap->arg5, /* nelem */
(dm_inherit_t *)uap->arg6, /* inheritbufp*/
(u_int *) uap->arg7); /* nelemp */
break;
case DM_GETALL_SESSIONS:
error = dm_getall_sessions(
(u_int) uap->arg1, /* nelem */
(dm_sessid_t *) uap->arg2, /* sidbufp */
(u_int *) uap->arg3); /* nelemp */
break;
case DM_GETALL_TOKENS:
error = dm_getall_tokens(
(dm_sessid_t) uap->arg1, /* sid */
(u_int) uap->arg2, /* nelem */
(dm_token_t *) uap->arg3, /* tokenbufp */
(u_int *) uap->arg4); /* nelemp */
break;
case DM_INIT_ATTRLOC:
error = dm_init_attrloc(
(dm_sessid_t) uap->arg1, /* sid */
(void *) uap->arg2, /* hanp */
(size_t) uap->arg3, /* hlen */
(dm_token_t) uap->arg4, /* token */
(dm_attrloc_t *) uap->arg5); /* locp */
break;
case DM_MKDIR_BY_HANDLE:
error = dm_mkdir_by_handle(
(dm_sessid_t) uap->arg1, /* sid */
(void *) uap->arg2, /* dirhanp */
(size_t) uap->arg3, /* dirhlen */
(dm_token_t) uap->arg4, /* token */
(void *) uap->arg5, /* hanp */
(size_t) uap->arg6, /* hlen */
(char *) uap->arg7); /* cname */
break;
case DM_MOVE_EVENT:
error = dm_move_event(
(dm_sessid_t) uap->arg1, /* srcsid */
(dm_token_t) uap->arg2, /* token */
(dm_sessid_t) uap->arg3, /* targetsid */
(dm_token_t *) uap->arg4); /* rtokenp */
break;
case DM_OBJ_REF_HOLD:
error = dm_obj_ref_hold(
(dm_sessid_t) uap->arg1, /* sid */
(dm_token_t) uap->arg2, /* token */
(void *) uap->arg3, /* hanp */
(size_t) uap->arg4); /* hlen */
break;
case DM_OBJ_REF_QUERY:
use_rvp = 1;
error = dm_obj_ref_query_rvp(
(dm_sessid_t) uap->arg1, /* sid */
(dm_token_t) uap->arg2, /* token */
(void *) uap->arg3, /* hanp */
(size_t) uap->arg4, /* hlen */
&rvp);
break;
case DM_OBJ_REF_RELE:
error = dm_obj_ref_rele(
(dm_sessid_t) uap->arg1, /* sid */
(dm_token_t) uap->arg2, /* token */
(void *) uap->arg3, /* hanp */
(size_t) uap->arg4); /* hlen */
break;
case DM_PATH_TO_FSHANDLE:
error = dm_path_to_fshdl(
(char *) uap->arg1, /* path */
(void *) uap->arg2, /* hanp */
(size_t *) uap->arg3); /* hlenp */
break;
case DM_PATH_TO_HANDLE:
error = dm_path_to_hdl(
(char *) uap->arg1, /* path */
(void *) uap->arg2, /* hanp */
(size_t *) uap->arg3); /* hlenp */
break;
case DM_PENDING:
error = dm_pending(
(dm_sessid_t) uap->arg1, /* sid */
(dm_token_t) uap->arg2, /* token */
(dm_timestruct_t *) uap->arg3); /* delay */
break;
case DM_PROBE_HOLE:
error = dm_probe_hole(
(dm_sessid_t) uap->arg1, /* sid */
(void *) uap->arg2, /* hanp */
(size_t) uap->arg3, /* hlen */
(dm_token_t) uap->arg4, /* token */
(dm_off_t) uap->arg5, /* off */
(dm_size_t) uap->arg6, /* len */
(dm_off_t *) uap->arg7, /* roffp */
(dm_size_t *) uap->arg8); /* rlenp */
break;
case DM_PUNCH_HOLE:
error = dm_punch_hole(
(dm_sessid_t) uap->arg1, /* sid */
(void *) uap->arg2, /* hanp */
(size_t) uap->arg3, /* hlen */
(dm_token_t) uap->arg4, /* token */
(dm_off_t) uap->arg5, /* off */
(dm_size_t) uap->arg6); /* len */
break;
case DM_QUERY_RIGHT:
error = dm_query_right(
(dm_sessid_t) uap->arg1, /* sid */
(void *) uap->arg2, /* hanp */
(size_t) uap->arg3, /* hlen */
(dm_token_t) uap->arg4, /* token */
(dm_right_t *) uap->arg5); /* rightp */
break;
case DM_QUERY_SESSION:
error = dm_query_session(
(dm_sessid_t) uap->arg1, /* sid */
(size_t) uap->arg2, /* buflen */
(void *) uap->arg3, /* bufp */
(size_t *) uap->arg4); /* rlenp */
break;
case DM_READ_INVIS:
use_rvp = 1;
error = dm_read_invis_rvp(
(dm_sessid_t) uap->arg1, /* sid */
(void *) uap->arg2, /* hanp */
(size_t) uap->arg3, /* hlen */
(dm_token_t) uap->arg4, /* token */
(dm_off_t) uap->arg5, /* off */
(dm_size_t) uap->arg6, /* len */
(void *) uap->arg7, /* bufp */
&rvp);
break;
case DM_RELEASE_RIGHT:
error = dm_release_right(
(dm_sessid_t) uap->arg1, /* sid */
(void *) uap->arg2, /* hanp */
(size_t) uap->arg3, /* hlen */
(dm_token_t) uap->arg4); /* token */
break;
case DM_REMOVE_DMATTR:
error = dm_remove_dmattr(
(dm_sessid_t) uap->arg1, /* sid */
(void *) uap->arg2, /* hanp */
(size_t) uap->arg3, /* hlen */
(dm_token_t) uap->arg4, /* token */
(int) uap->arg5, /* setdtime */
(dm_attrname_t *) uap->arg6); /* attrnamep */
break;
case DM_REQUEST_RIGHT:
error = dm_request_right(
(dm_sessid_t) uap->arg1, /* sid */
(void *) uap->arg2, /* hanp */
(size_t) uap->arg3, /* hlen */
(dm_token_t) uap->arg4, /* token */
(u_int) uap->arg5, /* flags */
(dm_right_t) uap->arg6); /* right */
break;
case DM_RESPOND_EVENT:
error = dm_respond_event(
(dm_sessid_t) uap->arg1, /* sid */
(dm_token_t) uap->arg2, /* token */
(dm_response_t) uap->arg3, /* response */
(int) uap->arg4, /* reterror */
(size_t) uap->arg5, /* buflen */
(void *) uap->arg6); /* respbufp */
break;
case DM_SEND_MSG:
error = dm_send_msg(
(dm_sessid_t) uap->arg1, /* targetsid */
(dm_msgtype_t) uap->arg2, /* msgtype */
(size_t) uap->arg3, /* buflen */
(void *) uap->arg4); /* bufp */
break;
case DM_SET_DISP:
error = dm_set_disp(
(dm_sessid_t) uap->arg1, /* sid */
(void *) uap->arg2, /* hanp */
(size_t) uap->arg3, /* hlen */
(dm_token_t) uap->arg4, /* token */
(dm_eventset_t *) uap->arg5, /* eventsetp */
(u_int) uap->arg6); /* maxevent */
break;
case DM_SET_DMATTR:
error = dm_set_dmattr(
(dm_sessid_t) uap->arg1, /* sid */
(void *) uap->arg2, /* hanp */
(size_t) uap->arg3, /* hlen */
(dm_token_t) uap->arg4, /* token */
(dm_attrname_t *) uap->arg5, /* attrnamep */
(int) uap->arg6, /* setdtime */
(size_t) uap->arg7, /* buflen */
(void *) uap->arg8); /* bufp */
break;
case DM_SET_EVENTLIST:
error = dm_set_eventlist(
(dm_sessid_t) uap->arg1, /* sid */
(void *) uap->arg2, /* hanp */
(size_t) uap->arg3, /* hlen */
(dm_token_t) uap->arg4, /* token */
(dm_eventset_t *) uap->arg5, /* eventsetp */
(u_int) uap->arg6); /* maxevent */
break;
case DM_SET_FILEATTR:
error = dm_set_fileattr(
(dm_sessid_t) uap->arg1, /* sid */
(void *) uap->arg2, /* hanp */
(size_t) uap->arg3, /* hlen */
(dm_token_t) uap->arg4, /* token */
(u_int) uap->arg5, /* mask */
(dm_fileattr_t *)uap->arg6); /* attrp */
break;
case DM_SET_INHERIT:
error = dm_set_inherit(
(dm_sessid_t) uap->arg1, /* sid */
(void *) uap->arg2, /* hanp */
(size_t) uap->arg3, /* hlen */
(dm_token_t) uap->arg4, /* token */
(dm_attrname_t *)uap->arg5, /* attrnamep */
(mode_t) uap->arg6); /* mode */
break;
case DM_SET_REGION:
error = dm_set_region(
(dm_sessid_t) uap->arg1, /* sid */
(void *) uap->arg2, /* hanp */
(size_t) uap->arg3, /* hlen */
(dm_token_t) uap->arg4, /* token */
(u_int) uap->arg5, /* nelem */
(dm_region_t *) uap->arg6, /* regbufp */
(dm_boolean_t *) uap->arg7); /* exactflagp */
break;
case DM_SET_RETURN_ON_DESTROY:
error = dm_set_return_on_destroy(
(dm_sessid_t) uap->arg1, /* sid */
(void *) uap->arg2, /* hanp */
(size_t) uap->arg3, /* hlen */
(dm_token_t) uap->arg4, /* token */
(dm_attrname_t *) uap->arg5, /* attrnamep */
(dm_boolean_t) uap->arg6); /* enable */
break;
case DM_SYMLINK_BY_HANDLE:
error = dm_symlink_by_handle(
(dm_sessid_t) uap->arg1, /* sid */
(void *) uap->arg2, /* dirhanp */
(size_t) uap->arg3, /* dirhlen */
(dm_token_t) uap->arg4, /* token */
(void *) uap->arg5, /* hanp */
(size_t) uap->arg6, /* hlen */
(char *) uap->arg7, /* cname */
(char *) uap->arg8); /* path */
break;
case DM_SYNC_BY_HANDLE:
error = dm_sync_by_handle(
(dm_sessid_t) uap->arg1, /* sid */
(void *) uap->arg2, /* hanp */
(size_t) uap->arg3, /* hlen */
(dm_token_t) uap->arg4); /* token */
break;
case DM_UPGRADE_RIGHT:
error = dm_upgrade_right(
(dm_sessid_t) uap->arg1, /* sid */
(void *) uap->arg2, /* hanp */
(size_t) uap->arg3, /* hlen */
(dm_token_t) uap->arg4); /* token */
break;
case DM_WRITE_INVIS:
use_rvp = 1;
error = dm_write_invis_rvp(
(dm_sessid_t) uap->arg1, /* sid */
(void *) uap->arg2, /* hanp */
(size_t) uap->arg3, /* hlen */
(dm_token_t) uap->arg4, /* token */
(int) uap->arg5, /* flags */
(dm_off_t) uap->arg6, /* off */
(dm_size_t) uap->arg7, /* len */
(void *) uap->arg8, /* bufp */
&rvp);
break;
default:
error = ENOSYS;
break;
}
/* If it was an *_rvp() function, then
if error==0, return |rvp|
*/
if( use_rvp && (error == 0) )
return rvp;
else
return -error;
}
/*
migrate one file
*/
static int hsm_migrate(const char *path)
{
int ret;
void *hanp = NULL;
size_t hlen = 0;
dm_attrname_t attrname;
uint8_t buf[0x1000];
size_t rlen;
struct stat st;
struct hsm_attr h;
dm_region_t region;
dm_boolean_t exactFlag;
off_t ofs;
int retval = 1;
struct hsm_store_handle *handle;
dmapi.token = DM_NO_TOKEN;
ret = dm_path_to_handle(discard_const(path), &hanp, &hlen);
if (ret != 0) {
printf("dm_path_to_handle failed for %s - %s\n", path, strerror(errno));
exit(1);
}
/* we create a user event which we use to gain exclusive
rights on the file */
ret = dm_create_userevent(dmapi.sid, 0, NULL, &dmapi.token);
if (ret != 0) {
printf("dm_create_userevent failed for %s - %s\n", path, strerror(errno));
exit(1);
}
/* getting an exclusive right first guarantees that two
migrate commands don't happen at the same time on the same
file, and also guarantees that a recall isn't happening at
the same time. We then downgrade to a shared right
immediately, which still gives the same guarantee, but
means that any reads on the file can proceeed while we are
saving away the data during the migrate */
ret = dm_request_right(dmapi.sid, hanp, hlen, dmapi.token, DM_RR_WAIT, DM_RIGHT_EXCL);
if (ret != 0) {
printf("dm_request_right failed for %s - %s\n", path, strerror(errno));
goto respond;
}
/* now downgrade the right - reads on the file can then proceed during the
expensive migration step */
ret = dm_downgrade_right(dmapi.sid, hanp, hlen, dmapi.token);
if (ret != 0) {
printf("dm_downgrade_right failed for %s - %s\n", path, strerror(errno));
goto respond;
}
memset(attrname.an_chars, 0, DM_ATTR_NAME_SIZE);
strncpy((char*)attrname.an_chars, HSM_ATTRNAME, DM_ATTR_NAME_SIZE);
/* get any existing attribute on the file */
ret = dm_get_dmattr(dmapi.sid, hanp, hlen, dmapi.token, &attrname,
sizeof(h), &h, &rlen);
if (ret != 0 && errno != ENOENT) {
printf("dm_get_dmattr failed for %s - %s\n", path, strerror(errno));
goto respond;
}
/* check it is valid */
if (ret == 0) {
if (strncmp(h.magic, HSM_MAGIC, sizeof(h.magic)) != 0) {
printf("Bad magic '%*.*s'\n", (int)sizeof(h.magic), (int)sizeof(h.magic), h.magic);
exit(1);
}
if (h.state == HSM_STATE_START) {
/* a migration has died on this file */
printf("Continuing migration of partly migrated file\n");
hsm_store_remove(store_ctx, h.device, h.inode);
} else {
/* it is either fully migrated, or waiting recall */
printf("Not migrating already migrated file %s\n", path);
goto respond;
}
}
if (lstat(path, &st) != 0) {
printf("failed to stat %s - %s\n", path, strerror(errno));
goto respond;
}
if (!S_ISREG(st.st_mode)) {
printf("Not migrating non-regular file %s\n", path);
goto respond;
}
if (st.st_size == 0) {
printf("Not migrating file '%s' of size 0\n", path);
goto respond;
}
/* open up the store file */
handle = hsm_store_open(store_ctx, st.st_dev, st.st_ino, false);
if (handle == NULL) {
printf("Failed to open store file for %s - %s\n", path, strerror(errno));
goto respond;
}
/* read the file data and store it away */
ofs = 0;
while ((ret = dm_read_invis(dmapi.sid, hanp, hlen, dmapi.token, ofs, sizeof(buf), buf)) > 0) {
if (hsm_store_write(handle, buf, ret) != 0) {
printf("Failed to write to store for %s - %s\n", path, strerror(errno));
hsm_store_close(handle);
hsm_store_remove(store_ctx, st.st_dev, st.st_ino);
goto respond;
}
ofs += ret;
}
if (ret == -1) {
printf("failed dm_read_invis on %s - %s\n", path, strerror(errno));
hsm_store_close(handle);
hsm_store_remove(store_ctx, st.st_dev, st.st_ino);
goto respond;
}
hsm_store_close(handle);
/* now upgrade to a exclusive right on the file before we
change the dmattr and punch holes in the file. */
ret = dm_upgrade_right(dmapi.sid, hanp, hlen, dmapi.token);
if (ret != 0) {
printf("dm_upgrade_right failed for %s - %s\n", path, strerror(errno));
goto respond;
}
strncpy(h.magic, HSM_MAGIC, sizeof(h.magic));
h.size = st.st_size;
h.migrate_time = time(NULL);
h.device = st.st_dev;
h.inode = st.st_ino;
h.state = HSM_STATE_START;
/* mark the file as starting to migrate */
ret = dm_set_dmattr(dmapi.sid, hanp, hlen, dmapi.token, &attrname, 0,
sizeof(h), (void*)&h);
if (ret == -1) {
printf("failed dm_set_dmattr on %s - %s\n", path, strerror(errno));
hsm_store_remove(store_ctx, st.st_dev, st.st_ino);
goto respond;
}
/* mark the whole file as offline, including parts beyond EOF */
region.rg_offset = 0;
region.rg_size = 0; /* zero means the whole file */
region.rg_flags = DM_REGION_WRITE | DM_REGION_READ;
ret = dm_set_region(dmapi.sid, hanp, hlen, dmapi.token, 1, ®ion, &exactFlag);
if (ret == -1) {
printf("failed dm_set_region on %s - %s\n", path, strerror(errno));
hsm_store_remove(store_ctx, st.st_dev, st.st_ino);
goto respond;
}
/* this dm_get_dmattr() is not strictly necessary - it is just
paranoia */
ret = dm_get_dmattr(dmapi.sid, hanp, hlen, dmapi.token, &attrname,
sizeof(h), &h, &rlen);
if (ret != 0) {
printf("ERROR: Abandoning partial migrate - attribute gone!?\n");
goto respond;
}
if (h.state != HSM_STATE_START) {
printf("ERROR: Abandoning partial migrate - state=%d\n", h.state);
goto respond;
}
ret = dm_punch_hole(dmapi.sid, hanp, hlen, dmapi.token, 0, st.st_size);
if (ret == -1) {
printf("failed dm_punch_hole on %s - %s\n", path, strerror(errno));
hsm_store_remove(store_ctx, st.st_dev, st.st_ino);
goto respond;
}
h.state = HSM_STATE_MIGRATED;
/* mark the file as fully migrated */
ret = dm_set_dmattr(dmapi.sid, hanp, hlen, dmapi.token, &attrname,
0, sizeof(h), (void*)&h);
if (ret == -1) {
printf("failed dm_set_dmattr on %s - %s\n", path, strerror(errno));
hsm_store_remove(store_ctx, st.st_dev, st.st_ino);
goto respond;
}
printf("Migrated file '%s' of size %d\n", path, (int)st.st_size);
retval = 0;
respond:
/* destroy our userevent */
ret = dm_respond_event(dmapi.sid, dmapi.token, DM_RESP_CONTINUE, 0, 0, NULL);
if (ret == -1) {
printf("failed dm_respond_event on %s - %s\n", path, strerror(errno));
exit(1);
}
dmapi.token = DM_NO_TOKEN;
dm_handle_free(hanp, hlen);
return retval;
}
