1 files changed, 98 insertions, 0 deletions
diff --git a/src/common/pick_address.h b/src/common/pick_address.h
new file mode 100644
index 000000000..4fd77e546
--- /dev/null
+++ b/src/common/pick_address.h
@@ -0,0 +1,98 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+#ifndef CEPH_PICK_ADDRESS_H
+#define CEPH_PICK_ADDRESS_H
+
+#include <string>
+#include <list>
+
+#include "include/common_fwd.h"
+
+struct entity_addr_t;
+class entity_addrvec_t;
+
+
+#define CEPH_PICK_ADDRESS_PUBLIC      0x01
+#define CEPH_PICK_ADDRESS_CLUSTER     0x02
+#define CEPH_PICK_ADDRESS_MSGR1       0x04
+#define CEPH_PICK_ADDRESS_MSGR2       0x08
+#define CEPH_PICK_ADDRESS_IPV4        0x10
+#define CEPH_PICK_ADDRESS_IPV6        0x20
+#define CEPH_PICK_ADDRESS_PREFER_IPV4 0x40
+#define CEPH_PICK_ADDRESS_DEFAULT_MON_PORTS  0x80
+#define CEPH_PICK_ADDRESS_PUBLIC_BIND 0x100
+
+#ifndef WITH_SEASTAR
+/*
+  Pick addresses based on subnets if needed.
+
+  If an address is not explicitly given, and a list of subnets is
+  given, find an assigned IP address in the subnets and set that.
+
+  cluster_addr is set based on cluster_network, public_addr is set
+  based on public_network.
+
+  cluster_network and public_network are a list of ip/prefix pairs.
+
+  All IP addresses assigned to all local network interfaces are
+  potential matches.
+
+  If multiple IP addresses match the subnet, one of them will be
+  picked, effectively randomly.
+
+  This function will exit on error.
+ */
+void pick_addresses(CephContext *cct, int needs);
+
+#endif	// !WITH_SEASTAR
+
+int pick_addresses(CephContext *cct, unsigned flags, entity_addrvec_t *addrs,
+		   int preferred_numa_node = -1);
+int pick_addresses(CephContext *cct, unsigned flags, struct ifaddrs *ifa,
+		   entity_addrvec_t *addrs,
+		   int preferred_numa_node = -1);
+
+/**
+ * Find a network interface whose address matches the address/netmask
+ * in `network`.
+ */
+std::string pick_iface(CephContext *cct, const struct sockaddr_storage &network);
+
+/**
+ * check for a locally configured address
+ *
+ * check if any of the listed addresses is configured on the local host.
+ *
+ * @param cct context
+ * @param ls list of addresses
+ * @param match [out] pointer to match, if an item in @a ls is found configured locally.
+ */
+bool have_local_addr(CephContext *cct, const std::list<entity_addr_t>& ls, entity_addr_t *match);
+
+/**
+ * filter the addresses in @c ifa with specified interfaces, networks and IPv
+ *
+ * @param cct
+ * @param ifa a list of network interface addresses to be filtered
+ * @param ipv bitmask of CEPH_PICK_ADDRESS_IPV4 and CEPH_PICK_ADDRESS_IPV6.
+ *        it is used to filter the @c networks
+ * @param networks a comma separated list of networks as the allow list. only
+ *        the addresses in the specified networks are allowed. all addresses
+ *        are accepted if it is empty.
+ * @param interfaces a comma separated list of interfaces for the allow list.
+ *        all addresses are accepted if it is empty
+ * @param exclude_lo_iface filter out network interface named "lo"
+ */
+const struct sockaddr *find_ip_in_subnet_list(
+  CephContext *cct,
+  const struct ifaddrs *ifa,
+  unsigned ipv,
+  const std::string &networks,
+  const std::string &interfaces,
+  int numa_node=-1);
+
+int get_iface_numa_node(
+  const std::string& iface,
+  int *node);
+
+#endif