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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 18:24:20 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 18:24:20 +0000
commit483eb2f56657e8e7f419ab1a4fab8dce9ade8609 (patch)
treee5d88d25d870d5dedacb6bbdbe2a966086a0a5cf /src/include/ipaddr.h
parentInitial commit. (diff)
downloadceph-483eb2f56657e8e7f419ab1a4fab8dce9ade8609.tar.xz
ceph-483eb2f56657e8e7f419ab1a4fab8dce9ade8609.zip
Adding upstream version 14.2.21.upstream/14.2.21upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/include/ipaddr.h')
-rw-r--r--src/include/ipaddr.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/src/include/ipaddr.h b/src/include/ipaddr.h
new file mode 100644
index 00000000..e8bed829
--- /dev/null
+++ b/src/include/ipaddr.h
@@ -0,0 +1,48 @@
+#ifndef CEPH_IPADDR_H
+#define CEPH_IPADDR_H
+
+class entity_addr_t;
+
+/*
+ * Find an IP address that is in the wanted subnet.
+ *
+ * If there are multiple matches, the first one is returned; this order
+ * is system-dependent and should not be relied on.
+ */
+const struct ifaddrs *find_ip_in_subnet(const struct ifaddrs *addrs,
+ const struct sockaddr *net,
+ unsigned int prefix_len,
+ int numa_node = -1);
+
+/*
+ * Validate and parse IPv4 or IPv6 network
+ *
+ * Given a network (e.g. "192.168.0.0/24") and pointers to a sockaddr_storage
+ * struct and an unsigned int:
+ *
+ * if the network string is valid, return true and populate sockaddr_storage
+ * and prefix_len;
+ *
+ * if the network string is invalid, return false.
+ */
+bool parse_network(const char *s,
+ struct sockaddr_storage *network,
+ unsigned int *prefix_len);
+bool parse_network(const char *s,
+ entity_addr_t *network,
+ unsigned int *prefix_len);
+
+void netmask_ipv6(const struct in6_addr *addr,
+ unsigned int prefix_len,
+ struct in6_addr *out);
+
+void netmask_ipv4(const struct in_addr *addr,
+ unsigned int prefix_len,
+ struct in_addr *out);
+
+bool network_contains(
+ const struct entity_addr_t& network,
+ unsigned int prefix_len,
+ const struct entity_addr_t& addr);
+
+#endif