C++ (Cpp) cfg_script_fixup Examples

Example #1

File: cfg_struct.c Project: mehulsbhatt/voip-foip

/* copy the variables to shm mem */
int cfg_shmize(void)
{
	cfg_group_t	*group;
	cfg_block_t	*block = NULL;
	int	size;

	if (!cfg_group) return 0;

	/* Let us allocate one memory block that
	will contain all the variables */
	for (	size=0, group = cfg_group;
		group;
		group=group->next
	) {
		size = ROUND_POINTER(size);
		group->offset = size;
		size += group->size;
	}

	block = (cfg_block_t*)shm_malloc(sizeof(cfg_block_t)+size-1);
	if (!block) {
		LOG(L_ERR, "ERROR: cfg_clone_str(): not enough shm memory\n");
		goto error;
	}
	memset(block, 0, sizeof(cfg_block_t)+size-1);
	cfg_block_size = size;

	/* copy the memory fragments to the single block */
	for (	group = cfg_group;
		group;
		group=group->next
	) {
		if (group->dynamic == 0) {
			/* clone the strings to shm mem */
			if (cfg_shmize_strings(group)) goto error;

			/* copy the values to the new block */
			memcpy(block->vars+group->offset, group->vars, group->size);
		} else {
			/* The group was declared with NULL values,
			 * we have to fix it up.
			 * The fixup function takes care about the values,
			 * it fills up the block */
			if (cfg_script_fixup(group, block->vars+group->offset)) goto error;

			/* Notify the drivers about the new config definition.
			 * Temporary set the group handle so that the drivers have a chance to
			 * overwrite the default values. The handle must be reset after this
			 * because the main process does not have a local configuration. */
			*(group->handle) = block->vars+group->offset;
			cfg_notify_drivers(group->name, group->name_len,
					group->mapping->def);
			*(group->handle) = NULL;
		}
	}
	/* try to fixup the selects that failed to be fixed-up previously */
	if (cfg_fixup_selects()) goto error;

	/* install the new config */
	cfg_install_global(block, NULL, NULL, NULL);
	cfg_shmized = 1;

	return 0;

error:
	if (block) shm_free(block);
	return -1;
}

Example #2

File: cfg_struct.c Project: billyyh/kamailio

/* copy the variables to shm mem */
int cfg_shmize(void)
{
	cfg_group_t	*group;
	cfg_block_t	*block = NULL;
	int	size;

	if (!cfg_group) return 0;

	/* Let us allocate one memory block that
	 * will contain all the variables + meta-data
	 * in the following form:
	 * |-----------|
	 * | meta-data | <- group A: meta_offset
	 * | variables | <- group A: var_offset
	 * |-----------|
	 * | meta-data | <- group B: meta_offset
	 * | variables | <- group B: var_offset
	 * |-----------|
	 * |    ...    |
	 * |-----------|
	 *
	 * The additional array for the multiple values
	 * of the same variable is linked to the meta-data.
	 */
	for (	size=0, group = cfg_group;
		group;
		group=group->next
	) {
		size = ROUND_POINTER(size);
		group->meta_offset = size;
		size += sizeof(cfg_group_meta_t);

		size = ROUND_POINTER(size);
		group->var_offset = size;
		size += group->size;
	}

	block = (cfg_block_t*)shm_malloc(sizeof(cfg_block_t)+size-1);
	if (!block) {
		LOG(L_ERR, "ERROR: cfg_shmize(): not enough shm memory\n");
		goto error;
	}
	memset(block, 0, sizeof(cfg_block_t)+size-1);
	cfg_block_size = size;

	/* copy the memory fragments to the single block */
	for (	group = cfg_group;
		group;
		group=group->next
	) {
		if (group->dynamic == CFG_GROUP_STATIC) {
			/* clone the strings to shm mem */
			if (cfg_shmize_strings(group)) goto error;

			/* copy the values to the new block */
			memcpy(CFG_GROUP_DATA(block, group), group->vars, group->size);
		} else if (group->dynamic == CFG_GROUP_DYNAMIC) {
			/* The group was declared with NULL values,
			 * we have to fix it up.
			 * The fixup function takes care about the values,
			 * it fills up the block */
			if (cfg_script_fixup(group, CFG_GROUP_DATA(block, group))) goto error;

			/* Notify the drivers about the new config definition.
			 * Temporary set the group handle so that the drivers have a chance to
			 * overwrite the default values. The handle must be reset after this
			 * because the main process does not have a local configuration. */
			*(group->handle) = CFG_GROUP_DATA(block, group);
			cfg_notify_drivers(group->name, group->name_len,
					group->mapping->def);
			*(group->handle) = NULL;
		} else {
			LOG(L_ERR, "ERROR: cfg_shmize(): Configuration group is declared "
					"without any variable: %.*s\n",
					group->name_len, group->name);
			goto error;
		}

		/* Create the additional group instances with applying
		the temporary list. */
		if (apply_add_var_list(block, group))
			goto error;
	}

	/* try to fixup the selects that failed to be fixed-up previously */
	if (cfg_fixup_selects()) goto error;

	/* install the new config */
	cfg_install_global(block, NULL, NULL, NULL);
	cfg_shmized = 1;

	return 0;

error:
	if (block) shm_free(block);
	return -1;
}