marvell/services/piped/piped_uci.c

#include "piped.h"
#include "piped_uci.h"
#include "piped_util.h"

static inline void pd_uci_set_ptr(const char *p, const char *s, const char *o,
				   const char *v, struct uci_ptr *ptr)
{
	memset(ptr, 0, sizeof(*ptr));
	ptr->package = p;
	ptr->section = s;
	ptr->option = o;
	ptr->value = v;
}

void pd_uci_done(struct uci_context *c, bool commit)
{
	struct uci_package *p;

	if (commit) {
		if ((p = uci_lookup_package(c, UCI_PKG_NW)))
			uci_commit(c, &p, false);
		if ((p = uci_lookup_package(c, UCI_PKG_DHCP)))
			uci_commit(c, &p, false);
	}
	uci_free_context(c);
}

int pd_uci_get_ptr(struct uci_context *c, const char *p, const char *s,
			   const char *o, const char *v, struct uci_ptr *ptr)
{
	int rc;
	pd_uci_set_ptr(p, s, o, v, ptr);
	rc = uci_lookup_ptr(c, ptr, NULL, false);
	if (rc || !(ptr->flags & UCI_LOOKUP_COMPLETE))
		return 1;
	if (ptr->last->type != UCI_TYPE_OPTION)
		return 1;
	return 0;
}

char *pd_uci_get_opt(struct uci_context *c, const char *p, const char *s,
			   const char *o)
{
	struct uci_ptr ptr;

	if (pd_uci_get_ptr(c, p, s, o, NULL, &ptr))
		return NULL;
	if (ptr.o->type != UCI_TYPE_STRING)
		return NULL;
	return ptr.o->v.string;
}

char *pd_uci_get_list_first(struct uci_context *c, const char *p, const char *s,
			     const char *o)
{
	struct uci_ptr ptr;
	struct uci_element *e;
	if (pd_uci_get_ptr(c, p, s, o, NULL, &ptr))
		return NULL;
	if (ptr.o->type != UCI_TYPE_LIST)
		return NULL;
	e = list_to_element((&ptr.o->v.list)->next);
	if (!e)
		return NULL;
	return e->name;
}

struct uci_list *pd_uci_get_list(struct uci_context *c, const char *p,
				  const char *s, const char *o)
{
	struct uci_ptr ptr;
	if (pd_uci_get_ptr(c, p, s, o, NULL, &ptr))
		return NULL;
	if (ptr.o->type != UCI_TYPE_LIST)
		return NULL;
	return &ptr.o->v.list;
}

int pd_uci_set_opt(struct uci_context *c, const char *p, const char *s,
			   const char *o, const char *v)
{

	struct uci_ptr ptr;
	pd_uci_set_ptr(p, s, o, v, &ptr);
	return uci_set(c, &ptr);
}

int pd_uci_add_list(struct uci_context *c, const char *p, const char *s,
			   const char *o, const char *v)
{
	struct uci_ptr ptr;
	pd_uci_set_ptr(p, s, o, v, &ptr);
	return uci_add_list(c, &ptr);
}

int pd_uci_del_from_list(struct uci_context *c, const char *p, const char *s,
			   const char *o, const char *v)
{
	struct uci_ptr ptr;
	pd_uci_set_ptr(p, s, o, v, &ptr);
	return uci_del_list(c, &ptr);
}

int pd_uci_del_opt(struct uci_context *c, const char *p, const char *s,
			   const char *o, const char *v)
{
	struct uci_ptr ptr;
	pd_uci_set_ptr(p, s, o, v, &ptr);
	return uci_delete(c, &ptr);
}

int pd_uci_del(struct uci_context *c, const char *p, const char *s,
			   const char *o, const char *v)
{
	struct uci_ptr ptr;
	if (pd_uci_get_ptr(c, p, s, o, NULL, &ptr))
		return 1;

	ptr.value = v;
	return uci_delete(c, &ptr);
}

int pd_uci_list_len(struct uci_list *l)
{
	struct uci_element *e;
	int n = 0;

	uci_foreach_element(l, e)
		n++;
	return n;
}

int pd_uci_parse_bool(char *b)
{
	if (!strcmp(b, "true") || !strcmp(b, "1"))
		return 1;
	else if (!strcmp(b, "false") || !strcmp(b, "0"))
		return 0;
	return -1;
}