socket: Introduce defines OSMO_SOCK_MULTIADDR_{PEER_STR,NAME}_MAXLEN
These values end up being used by API users of
osmo_sock_multiaddr_get_name_buf() and
osmo_multiaddr_ip_and_port_snprintf().
Change-Id: I18a0e1a652a3e8ef3e97154355eb1d07a14ef0bd
diff --git a/include/osmocom/core/socket.h b/include/osmocom/core/socket.h
index 0f4a8bd..ea73cda 100644
--- a/include/osmocom/core/socket.h
+++ b/include/osmocom/core/socket.h
@@ -16,9 +16,20 @@
#include <osmocom/core/defs.h>
+/*! maximum number of local or remote addresses supported by an osmo_sock instance */
+#define OSMO_SOCK_MAX_ADDRS 32
+
/*! maximum length of a socket name ("r=1.2.3.4:123<->l=5.6.7.8:987") */
#define OSMO_SOCK_NAME_MAXLEN (2 + INET6_ADDRSTRLEN + 1 + 5 + 3 + 2 + INET6_ADDRSTRLEN + 1 + 5 + 1)
+/*! maximum length of a multi-address socket peer (endpoint) name: (5.6.7.8|::9):987
+ * char '(' + OSMO_STREAM_MAX_ADDRS - 1 addr separators + chars "):" + port buffer + char '\0'
+ */
+#define OSMO_SOCK_MULTIADDR_PEER_STR_MAXLEN (INET6_ADDRSTRLEN * OSMO_SOCK_MAX_ADDRS + INET6_ADDRSTRLEN + 2 + 6 + 1)
+/*! maximum length of a multia-address socket name ("r=(::2|1.2.3.4):123<->l=(5.6.7.8|::9):987") */
+#define OSMO_SOCK_MULTIADDR_NAME_MAXLEN (OSMO_SOCK_MULTIADDR_PEER_STR_MAXLEN + 7)
+
+
struct sockaddr_in;
struct sockaddr;
struct osmo_fd;
@@ -108,9 +119,6 @@
#define GET_OSMO_SOCK_F_PRIO(f) (((f) >> 16) & 0xff)
-/*! maximum number of local or remote addresses supported by an osmo_sock instance */
-#define OSMO_SOCK_MAX_ADDRS 32
-
int osmo_sock_init(uint16_t family, uint16_t type, uint8_t proto,
const char *host, uint16_t port, unsigned int flags);