C++ (Cpp) ea_set_item Examples

Example #1

ea_object_t *
ea_alloc_item(ea_catalog_t catalog, void *buf, size_t bufsz)
{
	ea_object_t *item;

	item = kmem_cache_alloc(exacct_object_cache, KM_SLEEP);
	bzero(item, sizeof (ea_object_t));
	(void) ea_set_item(item, catalog, buf, bufsz);
	return (item);
}

Example #2

File: exacct_ops.c Project: apprisi/illumos-gate

static int
write_header(ea_file_t *ef)
{
	ea_object_t hdr_grp;
	ea_object_t vers_obj;
	ea_object_t creator_obj;
	ea_object_t filetype_obj;
	ea_object_t hostname_obj;
	uint32_t bskip;
	const uint32_t version = EXACCT_VERSION;
	ea_file_impl_t *f = (ea_file_impl_t *)ef;
	void *buf;
	size_t bufsize;
	char hostbuf[SYSINFO_BUFSIZE];
	int error = EXR_OK;

	bzero(&hdr_grp, sizeof (ea_object_t));
	bzero(&vers_obj, sizeof (ea_object_t));
	bzero(&creator_obj, sizeof (ea_object_t));
	bzero(&filetype_obj, sizeof (ea_object_t));
	bzero(&hostname_obj, sizeof (ea_object_t));
	bzero(hostbuf, SYSINFO_BUFSIZE);

	(void) sysinfo(SI_HOSTNAME, hostbuf, SYSINFO_BUFSIZE);

	if (ea_set_item(&vers_obj, EXT_UINT32 | EXC_DEFAULT | EXD_VERSION,
		    (void *)&version, 0) == -1 ||
	    ea_set_item(&creator_obj, EXT_STRING | EXC_DEFAULT | EXD_CREATOR,
		    f->ef_creator, strlen(f->ef_creator)) == -1 ||
	    ea_set_item(&filetype_obj, EXT_STRING | EXC_DEFAULT | EXD_FILETYPE,
		    EXACCT_HDR_STR, strlen(EXACCT_HDR_STR)) == -1 ||
	    ea_set_item(&hostname_obj, EXT_STRING | EXC_DEFAULT | EXD_HOSTNAME,
		    hostbuf, strlen(hostbuf)) == -1) {
		error = ea_error();
		goto cleanup1;
	}

	(void) ea_set_group(&hdr_grp,
	    EXT_GROUP | EXC_DEFAULT | EXD_GROUP_HEADER);
	(void) ea_attach_to_group(&hdr_grp, &vers_obj);
	(void) ea_attach_to_group(&hdr_grp, &creator_obj);
	(void) ea_attach_to_group(&hdr_grp, &filetype_obj);
	(void) ea_attach_to_group(&hdr_grp, &hostname_obj);

	/* Get the required size by passing a null buffer. */
	bufsize = ea_pack_object(&hdr_grp, NULL, 0);
	if ((buf = ea_alloc(bufsize)) == NULL) {
		error = ea_error();
		goto cleanup1;
	}

	if (ea_pack_object(&hdr_grp, buf, bufsize) == (size_t)-1) {
		error = ea_error();
		goto cleanup2;
	}

	/*
	 * To prevent reading the header when reading the file backwards,
	 * set the large backskip of the header group to 0 (last 4 bytes).
	 */
	bskip = 0;
	exacct_order32(&bskip);
	bcopy(&bskip, (char *)buf + bufsize - sizeof (bskip),
	    sizeof (bskip));

	if (fwrite(buf, sizeof (char), bufsize, f->ef_fp) != bufsize ||
	    fflush(f->ef_fp) == EOF) {
		error = EXR_SYSCALL_FAIL;
		goto cleanup2;
	}

cleanup2:
	ea_free(buf, bufsize);
cleanup1:
	(void) ea_free_item(&vers_obj, EUP_ALLOC);
	(void) ea_free_item(&creator_obj, EUP_ALLOC);
	(void) ea_free_item(&filetype_obj, EUP_ALLOC);
	(void) ea_free_item(&hostname_obj, EUP_ALLOC);
	EXACCT_SET_ERR(error);
	return (error == EXR_OK ? 0 : -1);
}