From: Felix Fietkau <nbd@openwrt.org>
Date: Mon, 10 Jun 2013 12:31:02 +0000 (+0200)
Subject: config: use the new uci_blob library code
X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fnetifd.git;a=commitdiff_plain;h=d095bf24cf7879150d008c23998676bfedebbde6

config: use the new uci_blob library code

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
---

diff --git a/bridge.c b/bridge.c
index 7409a50..9aa26f2 100644
--- a/bridge.c
+++ b/bridge.c
@@ -45,11 +45,11 @@ static const struct blobmsg_policy bridge_attrs[__BRIDGE_ATTR_MAX] = {
 	[BRIDGE_ATTR_IGMP_SNOOP] = { "igmp_snooping", BLOBMSG_TYPE_BOOL },
 };
 
-static const union config_param_info bridge_attr_info[__BRIDGE_ATTR_MAX] = {
+static const struct uci_blob_param_info bridge_attr_info[__BRIDGE_ATTR_MAX] = {
 	[BRIDGE_ATTR_IFNAME] = { .type = BLOBMSG_TYPE_STRING },
 };
 
-static const struct config_param_list bridge_attr_list = {
+static const struct uci_blob_param_list bridge_attr_list = {
 	.n_params = __BRIDGE_ATTR_MAX,
 	.params = bridge_attrs,
 	.info = bridge_attr_info,
@@ -525,7 +525,7 @@ bridge_reload(struct device *dev, struct blob_attr *attr)
 			blob_data(bst->config_data), blob_len(bst->config_data));
 
 		diff = 0;
-		config_diff(tb_dev, otb_dev, &device_attr_list, &diff);
+		uci_blob_diff(tb_dev, otb_dev, &device_attr_list, &diff);
 		if (diff & ~(1 << DEV_ATTR_IFNAME))
 		    ret = DEV_CONFIG_RESTART;
 
@@ -533,7 +533,7 @@ bridge_reload(struct device *dev, struct blob_attr *attr)
 			blob_data(bst->config_data), blob_len(bst->config_data));
 
 		diff = 0;
-		config_diff(tb_br, otb_br, &bridge_attr_list, &diff);
+		uci_blob_diff(tb_br, otb_br, &bridge_attr_list, &diff);
 		if (diff & ~(1 << BRIDGE_ATTR_IFNAME))
 		    ret = DEV_CONFIG_RESTART;
 
diff --git a/config.c b/config.c
index 9c1127b..8db2b59 100644
--- a/config.c
+++ b/config.c
@@ -30,119 +30,6 @@ static struct uci_context *uci_ctx;
 static struct uci_package *uci_network;
 static struct blob_buf b;
 
-static bool uci_attr_to_blob(struct blob_buf *b, const char *str,
-			     const char *name, enum blobmsg_type type)
-{
-	char *err;
-	int intval;
-
-	switch (type) {
-	case BLOBMSG_TYPE_STRING:
-		blobmsg_add_string(b, name, str);
-		break;
-	case BLOBMSG_TYPE_BOOL:
-		if (!strcmp(str, "true") || !strcmp(str, "1"))
-			intval = 1;
-		else if (!strcmp(str, "false") || !strcmp(str, "0"))
-			intval = 0;
-		else
-			return false;
-
-		blobmsg_add_u8(b, name, intval);
-		break;
-	case BLOBMSG_TYPE_INT32:
-		intval = strtol(str, &err, 0);
-		if (*err)
-			return false;
-
-		blobmsg_add_u32(b, name, intval);
-		break;
-	default:
-		return false;
-	}
-	return true;
-}
-
-static void uci_array_to_blob(struct blob_buf *b, struct uci_option *o,
-			      enum blobmsg_type type)
-{
-	struct uci_element *e;
-	char *str, *next, *word;
-
-	if (o->type == UCI_TYPE_LIST) {
-		uci_foreach_element(&o->v.list, e) {
-			uci_attr_to_blob(b, e->name, NULL, type);
-		}
-		return;
-	}
-
-	str = strdup(o->v.string);
-	next = str;
-
-	while ((word = strsep(&next, " \t")) != NULL) {
-		if (!*word)
-			continue;
-
-		uci_attr_to_blob(b, word, NULL, type);
-	}
-
-	free(str);
-}
-
-static int __uci_to_blob(struct blob_buf *b, struct uci_section *s,
-			 const struct config_param_list *p)
-{
-	const struct blobmsg_policy *attr = NULL;
-	struct uci_element *e;
-	struct uci_option *o;
-	void *array;
-	int i, ret = 0;
-
-	uci_foreach_element(&s->options, e) {
-		for (i = 0; i < p->n_params; i++) {
-			attr = &p->params[i];
-			if (!strcmp(attr->name, e->name))
-				break;
-		}
-
-		if (i == p->n_params)
-			continue;
-
-		o = uci_to_option(e);
-
-		if (attr->type == BLOBMSG_TYPE_ARRAY) {
-			if (!p->info)
-				continue;
-
-			array = blobmsg_open_array(b, attr->name);
-			uci_array_to_blob(b, o, p->info[i].type);
-			blobmsg_close_array(b, array);
-			ret++;
-			continue;
-		}
-
-		if (o->type == UCI_TYPE_LIST)
-			continue;
-
-		ret += uci_attr_to_blob(b, o->v.string, attr->name, attr->type);
-	}
-
-	return ret;
-}
-
-static int uci_to_blob(struct blob_buf *b, struct uci_section *s,
-		       const struct config_param_list *p)
-{
-	int ret = 0;
-	int i;
-
-	ret += __uci_to_blob(b, s, p);
-	for (i = 0; i < p->n_next; i++)
-		ret += uci_to_blob(b, s, p->next[i]);
-
-	return ret;
-}
-
 static int
 config_parse_bridge_interface(struct uci_section *s)
 {
@@ -196,12 +83,10 @@ config_parse_interface(struct uci_section *s, bool alias)
 	if (!bridge && uci_to_blob(&b, s, simple_device_type.config_params))
 		iface->device_config = true;
 
-	config = malloc(blob_pad_len(b.head));
+	config = blob_memdup(b.head);
 	if (!config)
 		goto error;
 
-	memcpy(config, b.head, blob_pad_len(b.head));
-
 	if (alias) {
 		if (!interface_add_alias(iface, config))
 			goto error_free_config;
@@ -292,80 +177,6 @@ config_init_devices(void)
 	}
 }
 
-bool
-config_diff(struct blob_attr **tb1, struct blob_attr **tb2,
-	    const struct config_param_list *config, unsigned long *diff)
-{
-	bool ret = false;
-	int i;
-
-	for (i = 0; i < config->n_params; i++) {
-		if (!tb1[i] && !tb2[i])
-			continue;
-
-		if (!!tb1[i] != !!tb2[i])
-			goto mark;
-
-		if (blob_len(tb1[i]) != blob_len(tb2[i]))
-			goto mark;
-
-		if (memcmp(tb1[i], tb2[i], blob_raw_len(tb1[i])) != 0)
-			goto mark;
-
-		continue;
-
-mark:
-		ret = true;
-		if (diff)
-			set_bit(diff, i);
-		else
-			return ret;
-	}
-
-	return ret;
-}
-
-
-static bool
-__config_check_equal(struct blob_attr *c1, struct blob_attr *c2,
-		     const struct config_param_list *config)
-{
-	struct blob_attr **tb1, **tb2;
-
-	if (!!c1 ^ !!c2)
-		return false;
-
-	if (!c1 && !c2)
-		return true;
-
-	tb1 = alloca(config->n_params * sizeof(struct blob_attr *));
-	blobmsg_parse(config->params, config->n_params, tb1,
-		blob_data(c1), blob_len(c1));
-
-	tb2 = alloca(config->n_params * sizeof(struct blob_attr *));
-	blobmsg_parse(config->params, config->n_params, tb2,
-		blob_data(c2), blob_len(c2));
-
-	return !config_diff(tb1, tb2, config, NULL);
-}
-
-bool
-config_check_equal(struct blob_attr *c1, struct blob_attr *c2,
-		   const struct config_param_list *config)
-{
-	int i;
-
-	if (!__config_check_equal(c1, c2, config))
-		return false;
-
-	for (i = 0; i < config->n_next; i++) {
-		if (!__config_check_equal(c1, c2, config->next[i]))
-			return false;
-	}
-
-	return true;
-}
-
 static struct uci_package *
 config_init_package(const char *config)
 {
diff --git a/config.h b/config.h
index 975ba24..5adaca6 100644
--- a/config.h
+++ b/config.h
@@ -15,47 +15,10 @@
 #define __NETIFD_CONFIG_H
 
 #include <libubox/blobmsg.h>
+#include <uci_blob.h>
 
 extern bool config_init;
 
-enum config_param_type {
-	CONFIG_PARAM_TYPE_SIMPLE,
-	CONFIG_PARAM_TYPE_LIST,
-	CONFIG_PARAM_TYPE_SECTION,
-};
-
-union config_param_info {
-	enum blobmsg_type type;
-	struct config_params *section;
-};
-
-struct config_param_list {
-	int n_params, n_next;
-
-	const struct blobmsg_policy *params;
-	const union config_param_info *info;
-
-	const struct config_param_list *next[];
-};
-
-#ifndef BITS_PER_LONG
-#define BITS_PER_LONG (8 * sizeof(unsigned long))
-#endif
-
-static inline void set_bit(unsigned long *bits, int bit)
-{
-	bits[bit / BITS_PER_LONG] |= (1UL << (bit % BITS_PER_LONG));
-}
-
-static inline bool test_bit(unsigned long *bits, int bit)
-{
-	return !!(bits[bit / BITS_PER_LONG] & (1UL << (bit % BITS_PER_LONG)));
-}
-
 void config_init_all(void);
-bool config_check_equal(struct blob_attr *c1, struct blob_attr *c2,
-			const struct config_param_list *config);
-bool config_diff(struct blob_attr **tb1, struct blob_attr **tb2,
-		 const struct config_param_list *config, unsigned long *diff);
 
 #endif
diff --git a/device.c b/device.c
index 5fa0ac1..e635b05 100644
--- a/device.c
+++ b/device.c
@@ -39,7 +39,7 @@ static const struct blobmsg_policy dev_attrs[__DEV_ATTR_MAX] = {
 	[DEV_ATTR_ENABLED] = { "enabled", BLOBMSG_TYPE_BOOL },
 };
 
-const struct config_param_list device_attr_list = {
+const struct uci_blob_param_list device_attr_list = {
 	.n_params = __DEV_ATTR_MAX,
 	.params = dev_attrs,
 };
@@ -499,9 +499,9 @@ static enum dev_change_type
 device_reload_config(struct device *dev, struct blob_attr *attr)
 {
 	struct blob_attr *tb[__DEV_ATTR_MAX];
-	const struct config_param_list *cfg = dev->type->config_params;
+	const struct uci_blob_param_list *cfg = dev->type->config_params;
 
-	if (config_check_equal(dev->config, attr, cfg))
+	if (uci_blob_check_equal(dev->config, attr, cfg))
 		return DEV_CONFIG_NO_CHANGE;
 
 	if (cfg == &device_attr_list) {
diff --git a/device.h b/device.h
index 1068a46..a1eee7f 100644
--- a/device.h
+++ b/device.h
@@ -45,7 +45,7 @@ struct device_type {
 	struct list_head list;
 	const char *name;
 
-	const struct config_param_list *config_params;
+	const struct uci_blob_param_list *config_params;
 
 	struct device *(*create)(const char *name, struct blob_attr *attr);
 	void (*config_init)(struct device *);
@@ -148,7 +148,7 @@ struct device_hotplug_ops {
 	int (*del)(struct device *main, struct device *member);
 };
 
-extern const struct config_param_list device_attr_list;
+extern const struct uci_blob_param_list device_attr_list;
 extern const struct device_type simple_device_type;
 extern const struct device_type bridge_device_type;
 extern const struct device_type tunnel_device_type;
diff --git a/interface-ip.c b/interface-ip.c
index a945147..44dd63d 100644
--- a/interface-ip.c
+++ b/interface-ip.c
@@ -51,7 +51,7 @@ static const struct blobmsg_policy route_attr[__ROUTE_MAX] = {
 	[ROUTE_VALID] = { .name = "valid", .type = BLOBMSG_TYPE_INT32 },
 };
 
-const struct config_param_list route_attr_list = {
+const struct uci_blob_param_list route_attr_list = {
 	.n_params = __ROUTE_MAX,
 	.params = route_attr,
 };
diff --git a/interface-ip.h b/interface-ip.h
index 5cc5665..c78a076 100644
--- a/interface-ip.h
+++ b/interface-ip.h
@@ -122,7 +122,7 @@ struct dns_search_domain {
 	char name[];
 };
 
-extern const struct config_param_list route_attr_list;
+extern const struct uci_blob_param_list route_attr_list;
 extern struct list_head prefixes;
 
 void interface_ip_init(struct interface *iface);
diff --git a/interface.c b/interface.c
index 96f8e6d..81de337 100644
--- a/interface.c
+++ b/interface.c
@@ -63,12 +63,12 @@ static const struct blobmsg_policy iface_attrs[IFACE_ATTR_MAX] = {
 	[IFACE_ATTR_IP6CLASS] = { .name = "ip6class", .type = BLOBMSG_TYPE_ARRAY },
 };
 
-static const union config_param_info iface_attr_info[IFACE_ATTR_MAX] = {
+static const struct uci_blob_param_info iface_attr_info[IFACE_ATTR_MAX] = {
 	[IFACE_ATTR_DNS] = { .type = BLOBMSG_TYPE_STRING },
 	[IFACE_ATTR_IP6CLASS] = { .type = BLOBMSG_TYPE_STRING },
 };
 
-const struct config_param_list interface_attr_list = {
+const struct uci_blob_param_list interface_attr_list = {
 	.n_params = IFACE_ATTR_MAX,
 	.params = iface_attrs,
 	.info = iface_attr_info,
@@ -833,8 +833,8 @@ interface_change_config(struct interface *if_old, struct interface *if_new)
 	if (!if_old->proto_handler->config_params)
 		D(INTERFACE, "No config parameters for interface '%s'\n",
 		  if_old->name);
-	else if (!config_check_equal(if_old->config, if_new->config,
-				     if_old->proto_handler->config_params))
+	else if (!uci_blob_check_equal(if_old->config, if_new->config,
+				       if_old->proto_handler->config_params))
 		reload = true;
 
 #define UPDATE(field, __var) ({						\
diff --git a/interface.h b/interface.h
index 13761f8..0a947b4 100644
--- a/interface.h
+++ b/interface.h
@@ -140,7 +140,7 @@ struct interface {
 
 
 extern struct vlist_tree interfaces;
-extern const struct config_param_list interface_attr_list;
+extern const struct uci_blob_param_list interface_attr_list;
 
 void interface_init(struct interface *iface, const char *name,
 		    struct blob_attr *config);
diff --git a/iprule.c b/iprule.c
index 7b63417..a31db99 100644
--- a/iprule.c
+++ b/iprule.c
@@ -60,7 +60,7 @@ static const struct blobmsg_policy rule_attr[__RULE_MAX] = {
 	[RULE_GOTO]   = { .name = "goto", .type = BLOBMSG_TYPE_INT32 },
 };
 
-const struct config_param_list rule_attr_list = {
+const struct uci_blob_param_list rule_attr_list = {
 	.n_params = __RULE_MAX,
 	.params = rule_attr,
 };
diff --git a/iprule.h b/iprule.h
index e4ceee0..d6a8485 100644
--- a/iprule.h
+++ b/iprule.h
@@ -91,7 +91,7 @@ struct iprule {
 };
 
 extern struct vlist_tree iprules;
-extern const struct config_param_list rule_attr_list;
+extern const struct uci_blob_param_list rule_attr_list;
 
 void iprule_add(struct blob_attr *attr, bool v6);
 void iprule_update_start(void);
diff --git a/proto-shell.c b/proto-shell.c
index 8bbc36e..4bb0744 100644
--- a/proto-shell.c
+++ b/proto-shell.c
@@ -44,7 +44,7 @@ enum proto_shell_sm {
 struct proto_shell_handler {
 	struct list_head list;
 	struct proto_handler proto;
-	struct config_param_list config;
+	struct uci_blob_param_list config;
 	char *config_buf;
 	bool init_available;
 	char script_name[];
@@ -755,7 +755,7 @@ get_field(json_object *obj, const char *name, json_type type)
 }
 
 static char *
-proto_shell_parse_config(struct config_param_list *config, json_object *obj)
+proto_shell_parse_config(struct uci_blob_param_list *config, json_object *obj)
 {
 	struct blobmsg_policy *attrs;
 	char *str_buf, *str_cur;
diff --git a/proto.c b/proto.c
index 1850e54..d5e99bf 100644
--- a/proto.c
+++ b/proto.c
@@ -49,13 +49,13 @@ static const struct blobmsg_policy proto_ip_attributes[__OPT_MAX] = {
 	[OPT_IP6PREFIX] = { .name = "ip6prefix", .type = BLOBMSG_TYPE_ARRAY },
 };
 
-static const union config_param_info proto_ip_attr_info[__OPT_MAX] = {
+static const struct uci_blob_param_info proto_ip_attr_info[__OPT_MAX] = {
 	[OPT_IPADDR] = { .type = BLOBMSG_TYPE_STRING },
 	[OPT_IP6ADDR] = { .type = BLOBMSG_TYPE_STRING },
 	[OPT_IP6PREFIX] = { .type = BLOBMSG_TYPE_STRING },
 };
 
-const struct config_param_list proto_ip_attr = {
+const struct uci_blob_param_list proto_ip_attr = {
 	.n_params = __OPT_MAX,
 	.params = proto_ip_attributes,
 	.info = proto_ip_attr_info,
diff --git a/proto.h b/proto.h
index 4ed70a3..996196b 100644
--- a/proto.h
+++ b/proto.h
@@ -55,13 +55,13 @@ struct proto_handler {
 	unsigned int flags;
 
 	const char *name;
-	const struct config_param_list *config_params;
+	const struct uci_blob_param_list *config_params;
 
 	struct interface_proto_state *(*attach)(const struct proto_handler *h,
 		struct interface *iface, struct blob_attr *attr);
 };
 
-extern const struct config_param_list proto_ip_attr;
+extern const struct uci_blob_param_list proto_ip_attr;
 
 void add_proto_handler(struct proto_handler *p);
 void proto_init_interface(struct interface *iface, struct blob_attr *attr);
diff --git a/system.c b/system.c
index 76d8072..8e866da 100644
--- a/system.c
+++ b/system.c
@@ -25,7 +25,7 @@ static const struct blobmsg_policy tunnel_attrs[__TUNNEL_ATTR_MAX] = {
 	[TUNNEL_ATTR_LINK] = { "link", BLOBMSG_TYPE_STRING },
 };
 
-const struct config_param_list tunnel_attr_list = {
+const struct uci_blob_param_list tunnel_attr_list = {
 	.n_params = __TUNNEL_ATTR_MAX,
 	.params = tunnel_attrs,
 };
diff --git a/system.h b/system.h
index d293157..f1f32cb 100644
--- a/system.h
+++ b/system.h
@@ -32,7 +32,7 @@ enum tunnel_param {
 	__TUNNEL_ATTR_MAX
 };
 
-const struct config_param_list tunnel_attr_list;
+const struct uci_blob_param_list tunnel_attr_list;
 
 enum bridge_opt {
 	/* stp and forward delay always set */