From: Jiri Benc <jb...@redhat.com>
These functions will be used by the next patches.
Signed-off-by: Jiri Benc <jb...@redhat.com>
Signed-off-by: Thadeu Lima de Souza Cascardo <casca...@redhat.com>
---
lib/smap.c | 11 +++++++++++
lib/smap.h | 1 +
lib/socket-util.c | 9 +++++++++
lib/socket-util.h | 1 +
4 files changed, 22 insertions(+)
diff --git a/lib/smap.c b/lib/smap.c
index 1d59f56..2c41013 100644
--- a/lib/smap.c
+++ b/lib/smap.c
@@ -95,6 +95,17 @@ smap_add_format(struct smap *smap, const char *key, const
char *format, ...)
hash_bytes(key, key_len, 0));
}
+/* Adds 'key' paired with a string representation of 'addr'. It is the
+ * caller's responsibility to avoid duplicate keys if desirable. */
+void
+smap_add_ipv6(struct smap *smap, const char *key, struct in6_addr *addr)
+{
+ char buf[INET6_ADDRSTRLEN];
+
+ inet_ntop(AF_INET6, addr, buf, sizeof buf);
+ smap_add(smap, key, buf);
+}
+
/* Searches for 'key' in 'smap'. If it does not already exists, adds it.
* Otherwise, changes its value to 'value'. */
void
diff --git a/lib/smap.h b/lib/smap.h
index 3bfbb71..489497a 100644
--- a/lib/smap.h
+++ b/lib/smap.h
@@ -66,6 +66,7 @@ struct smap_node *smap_add_nocopy(struct smap *, char *, char
*);
bool smap_add_once(struct smap *, const char *, const char *);
void smap_add_format(struct smap *, const char *key, const char *, ...)
OVS_PRINTF_FORMAT(3, 4);
+void smap_add_ipv6(struct smap *, const char *, struct in6_addr *);
void smap_replace(struct smap *, const char *, const char *);
void smap_remove(struct smap *, const char *);
diff --git a/lib/socket-util.c b/lib/socket-util.c
index 206e17b..97ee01b 100644
--- a/lib/socket-util.c
+++ b/lib/socket-util.c
@@ -136,6 +136,15 @@ set_dscp(int fd, int family, uint8_t dscp)
return retval ? sock_errno() : 0;
}
+/* Checks whether 'host_name' is an IPv4 or IPv6 address. It is assumed
+ * that 'host_name' is valid. Returns false if it is IPv4 address, true if
+ * it is IPv6 address. */
+bool
+addr_is_ipv6(const char *host_name)
+{
+ return strchr(host_name, ':') != NULL;
+}
+
/* Translates 'host_name', which must be a string representation of an IP
* address, into a numeric IP address in '*addr'. Returns 0 if successful,
* otherwise a positive errno value. */
diff --git a/lib/socket-util.h b/lib/socket-util.h
index 8015c7f..c3c1224 100644
--- a/lib/socket-util.h
+++ b/lib/socket-util.h
@@ -32,6 +32,7 @@ void xset_nonblocking(int fd);
void setsockopt_tcp_nodelay(int fd);
int set_dscp(int fd, int family, uint8_t dscp);
+bool addr_is_ipv6(const char *host_name);
int lookup_ip(const char *host_name, struct in_addr *address);
int lookup_ipv6(const char *host_name, struct in6_addr *address);
--
2.4.3
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