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* [libnftnl PATCH 0/3] expr: lookup: Do not print unset values in xml and json
@ 2014-06-24 17:14 Ana Rey
  2014-06-24 17:14 ` [libnftnl PATCH 1/3] expr: lookup: Use nft_rule_expr_set_* in the xml parsing code Ana Rey
                   ` (2 more replies)
  0 siblings, 3 replies; 4+ messages in thread
From: Ana Rey @ 2014-06-24 17:14 UTC (permalink / raw
  To: netfilter-devel; +Cc: Ana Rey

This patchset does tasks about does not print unset values in xml and json file
and about refactoring code:
* "expr: lookup: Use nft_rule_expr_set_* in the xml parsing code"

Ana Rey (3):
  expr: lookup: Use nft_rule_expr_set_* in the xml parsing code
  expr: lookup: Do not print unset values in xml file
  expr: lookup: Do not print unset values in json file

 src/expr/lookup.c | 80 +++++++++++++++++++++++++------------------------------
 1 file changed, 37 insertions(+), 43 deletions(-)

-- 
2.0.0


^ permalink raw reply	[flat|nested] 4+ messages in thread

* [libnftnl PATCH 1/3] expr: lookup: Use nft_rule_expr_set_* in the xml parsing code
  2014-06-24 17:14 [libnftnl PATCH 0/3] expr: lookup: Do not print unset values in xml and json Ana Rey
@ 2014-06-24 17:14 ` Ana Rey
  2014-06-24 17:14 ` [libnftnl PATCH 2/3] expr: lookup: Do not print unset values in xml file Ana Rey
  2014-06-24 17:14 ` [libnftnl PATCH 3/3] expr: lookup: Do not print unset values in json file Ana Rey
  2 siblings, 0 replies; 4+ messages in thread
From: Ana Rey @ 2014-06-24 17:14 UTC (permalink / raw
  To: netfilter-devel; +Cc: Ana Rey

Code refactoring to use nft_rule_expr_set_* in parse functions.

Signed-off-by: Ana Rey <anarey@gmail.com>
---
 src/expr/lookup.c | 22 +++++++---------------
 1 file changed, 7 insertions(+), 15 deletions(-)

diff --git a/src/expr/lookup.c b/src/expr/lookup.c
index 1df65db..68b7345 100644
--- a/src/expr/lookup.c
+++ b/src/expr/lookup.c
@@ -194,31 +194,23 @@ nft_rule_expr_lookup_xml_parse(struct nft_rule_expr *e, mxml_node_t *tree,
 			       struct nft_parse_err *err)
 {
 #ifdef XML_PARSING
-	struct nft_expr_lookup *lookup = nft_expr_data(e);
 	const char *set_name;
-	uint32_t reg;
+	uint32_t sreg, dreg;
 
 	set_name = nft_mxml_str_parse(tree, "set", MXML_DESCEND_FIRST,
 				      NFT_XML_MAND, err);
 	if (set_name == NULL)
 		return -1;
+	nft_rule_expr_set_str(e, NFT_EXPR_LOOKUP_SET, set_name);
 
-	strncpy(lookup->set_name, set_name, IFNAMSIZ);
-	lookup->set_name[IFNAMSIZ-1] = '\0';
-	e->flags |= (1 << NFT_EXPR_LOOKUP_SET);
-
-	if (nft_mxml_reg_parse(tree, "sreg", &reg, MXML_DESCEND,
+	if (nft_mxml_reg_parse(tree, "sreg", &sreg, MXML_DESCEND,
 			       NFT_XML_MAND, err) != 0)
 		return -1;
+	nft_rule_expr_set_u32(e, NFT_EXPR_LOOKUP_SREG, sreg);
 
-	lookup->sreg = reg;
-	e->flags |= (1 << NFT_EXPR_LOOKUP_SREG);
-
-	if (nft_mxml_reg_parse(tree, "dreg", &reg, MXML_DESCEND,
-			       NFT_XML_OPT, err) == 0) {
-		lookup->dreg = reg;
-		e->flags |= (1 << NFT_EXPR_LOOKUP_DREG);
-	}
+	if (nft_mxml_reg_parse(tree, "dreg", &dreg, MXML_DESCEND,
+			       NFT_XML_OPT, err) == 0)
+		nft_rule_expr_set_u32(e, NFT_EXPR_LOOKUP_DREG, dreg);
 
 	return 0;
 #else
-- 
2.0.0


^ permalink raw reply related	[flat|nested] 4+ messages in thread

* [libnftnl PATCH 2/3] expr: lookup: Do not print unset values in xml file
  2014-06-24 17:14 [libnftnl PATCH 0/3] expr: lookup: Do not print unset values in xml and json Ana Rey
  2014-06-24 17:14 ` [libnftnl PATCH 1/3] expr: lookup: Use nft_rule_expr_set_* in the xml parsing code Ana Rey
@ 2014-06-24 17:14 ` Ana Rey
  2014-06-24 17:14 ` [libnftnl PATCH 3/3] expr: lookup: Do not print unset values in json file Ana Rey
  2 siblings, 0 replies; 4+ messages in thread
From: Ana Rey @ 2014-06-24 17:14 UTC (permalink / raw
  To: netfilter-devel; +Cc: Ana Rey

It changes the parse functions to omit unset values.

Signed-off-by: Ana Rey <anarey@gmail.com>
---
 src/expr/lookup.c | 30 ++++++++++++++++--------------
 1 file changed, 16 insertions(+), 14 deletions(-)

diff --git a/src/expr/lookup.c b/src/expr/lookup.c
index 68b7345..d0d81cb 100644
--- a/src/expr/lookup.c
+++ b/src/expr/lookup.c
@@ -199,17 +199,15 @@ nft_rule_expr_lookup_xml_parse(struct nft_rule_expr *e, mxml_node_t *tree,
 
 	set_name = nft_mxml_str_parse(tree, "set", MXML_DESCEND_FIRST,
 				      NFT_XML_MAND, err);
-	if (set_name == NULL)
-		return -1;
-	nft_rule_expr_set_str(e, NFT_EXPR_LOOKUP_SET, set_name);
+	if (set_name != NULL)
+		nft_rule_expr_set_str(e, NFT_EXPR_LOOKUP_SET, set_name);
 
-	if (nft_mxml_reg_parse(tree, "sreg", &sreg, MXML_DESCEND,
-			       NFT_XML_MAND, err) != 0)
-		return -1;
-	nft_rule_expr_set_u32(e, NFT_EXPR_LOOKUP_SREG, sreg);
+	if (nft_mxml_reg_parse(tree, "sreg", &sreg, MXML_DESCEND, NFT_XML_MAND,
+			       err) == 0)
+		nft_rule_expr_set_u32(e, NFT_EXPR_LOOKUP_SREG, sreg);
 
-	if (nft_mxml_reg_parse(tree, "dreg", &dreg, MXML_DESCEND,
-			       NFT_XML_OPT, err) == 0)
+	if (nft_mxml_reg_parse(tree, "dreg", &dreg, MXML_DESCEND, NFT_XML_OPT,
+			       err) == 0)
 		nft_rule_expr_set_u32(e, NFT_EXPR_LOOKUP_DREG, dreg);
 
 	return 0;
@@ -246,12 +244,16 @@ nft_rule_expr_lookup_snprintf_xml(char *buf, size_t size,
 	int len = size, offset = 0, ret;
 	struct nft_expr_lookup *l = nft_expr_data(e);
 
-	ret = snprintf(buf, len, "<set>%s</set><sreg>%u</sreg>",
-		       l->set_name, l->sreg);
-	SNPRINTF_BUFFER_SIZE(ret, size, len, offset);
-
+	if (e->flags & (1 << NFT_EXPR_LOOKUP_SET)) {
+		ret = snprintf(buf, len, "<set>%s</set>", l->set_name);
+		SNPRINTF_BUFFER_SIZE(ret, size, len, offset);
+	}
+	if (e->flags & (1 << NFT_EXPR_LOOKUP_SREG)) {
+		ret = snprintf(buf + offset, len, "<sreg>%u</sreg>", l->sreg);
+		SNPRINTF_BUFFER_SIZE(ret, size, len, offset);
+	}
 	if (e->flags & (1 << NFT_EXPR_LOOKUP_DREG)) {
-		ret = snprintf(buf+offset, len, "<dreg>%u</dreg>", l->dreg);
+		ret = snprintf(buf + offset, len, "<dreg>%u</dreg>", l->dreg);
 		SNPRINTF_BUFFER_SIZE(ret, size, len, offset);
 	}
 
-- 
2.0.0


^ permalink raw reply related	[flat|nested] 4+ messages in thread

* [libnftnl PATCH 3/3] expr: lookup: Do not print unset values in json file
  2014-06-24 17:14 [libnftnl PATCH 0/3] expr: lookup: Do not print unset values in xml and json Ana Rey
  2014-06-24 17:14 ` [libnftnl PATCH 1/3] expr: lookup: Use nft_rule_expr_set_* in the xml parsing code Ana Rey
  2014-06-24 17:14 ` [libnftnl PATCH 2/3] expr: lookup: Do not print unset values in xml file Ana Rey
@ 2014-06-24 17:14 ` Ana Rey
  2 siblings, 0 replies; 4+ messages in thread
From: Ana Rey @ 2014-06-24 17:14 UTC (permalink / raw
  To: netfilter-devel; +Cc: Ana Rey

It changes the parse functions to omit unset values.

Signed-off-by: Ana Rey <anarey@gmail.com>
---
 src/expr/lookup.c | 38 +++++++++++++++++++-------------------
 1 file changed, 19 insertions(+), 19 deletions(-)

diff --git a/src/expr/lookup.c b/src/expr/lookup.c
index d0d81cb..3f77228 100644
--- a/src/expr/lookup.c
+++ b/src/expr/lookup.c
@@ -164,23 +164,17 @@ nft_rule_expr_lookup_json_parse(struct nft_rule_expr *e, json_t *root,
 {
 #ifdef JSON_PARSING
 	const char *set_name;
-	int32_t reg;
+	uint32_t sreg, dreg;
 
 	set_name = nft_jansson_parse_str(root, "set", err);
-	if (set_name == NULL)
-		return -1;
-
-	nft_rule_expr_set_str(e, NFT_EXPR_LOOKUP_SET, set_name);
-
-	if (nft_jansson_parse_reg(root, "sreg", NFT_TYPE_U32, &reg, err) < 0)
-		return -1;
-
-	nft_rule_expr_set_u32(e, NFT_EXPR_LOOKUP_SREG, reg);
+	if (set_name != NULL)
+		nft_rule_expr_set_str(e, NFT_EXPR_LOOKUP_SET, set_name);
 
-	if (nft_jansson_parse_reg(root, "dreg", NFT_TYPE_U32, &reg, err) < 0)
-		return -1;
+	if (nft_jansson_parse_reg(root, "sreg", NFT_TYPE_U32, &sreg, err) == 0)
+		nft_rule_expr_set_u32(e, NFT_EXPR_LOOKUP_SREG, sreg);
 
-	nft_rule_expr_set_u32(e, NFT_EXPR_LOOKUP_DREG, reg);
+	if (nft_jansson_parse_reg(root, "dreg", NFT_TYPE_U32, &dreg, err) == 0)
+		nft_rule_expr_set_u32(e, NFT_EXPR_LOOKUP_DREG, dreg);
 
 	return 0;
 #else
@@ -224,19 +218,25 @@ nft_rule_expr_lookup_snprintf_json(char *buf, size_t size,
 	int len = size, offset = 0, ret;
 	struct nft_expr_lookup *l = nft_expr_data(e);
 
-	ret = snprintf(buf, len, "\"set\":\"%s\",\"sreg\":%u",
-			l->set_name, l->sreg);
-	SNPRINTF_BUFFER_SIZE(ret, size, len, offset);
-
+	if (e->flags & (1 << NFT_EXPR_LOOKUP_SET)) {
+		ret = snprintf(buf, len, "\"set\":\"%s\",", l->set_name);
+		SNPRINTF_BUFFER_SIZE(ret, size, len, offset);
+	}
+	if (e->flags & (1 << NFT_EXPR_LOOKUP_SREG)) {
+		ret = snprintf(buf + offset, len, "\"sreg\":%u,", l->sreg);
+		SNPRINTF_BUFFER_SIZE(ret, size, len, offset);
+	}
 	if (e->flags & (1 << NFT_EXPR_LOOKUP_DREG)) {
-		ret = snprintf(buf+offset, len, ",\"dreg\":%u", l->dreg);
+		ret = snprintf(buf + offset, len, "\"dreg\":%u,", l->dreg);
 		SNPRINTF_BUFFER_SIZE(ret, size, len, offset);
 	}
+	/* Remove the last comma characther */
+	if (offset > 0)
+		offset--;
 
 	return offset;
 }
 
-
 static int
 nft_rule_expr_lookup_snprintf_xml(char *buf, size_t size,
 				  struct nft_rule_expr *e)
-- 
2.0.0


^ permalink raw reply related	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2014-06-24 17:14 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2014-06-24 17:14 [libnftnl PATCH 0/3] expr: lookup: Do not print unset values in xml and json Ana Rey
2014-06-24 17:14 ` [libnftnl PATCH 1/3] expr: lookup: Use nft_rule_expr_set_* in the xml parsing code Ana Rey
2014-06-24 17:14 ` [libnftnl PATCH 2/3] expr: lookup: Do not print unset values in xml file Ana Rey
2014-06-24 17:14 ` [libnftnl PATCH 3/3] expr: lookup: Do not print unset values in json file Ana Rey

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