1 files changed, 45 insertions, 0 deletions

diff --git a/ot_socket.h b/ot_socket.h
new file mode 100644
index 0000000..20fd839
--- /dev/null
+++ b/ot_socket.h
@@ -0,0 +1,45 @@
+/* This software was written by Dirk Engling <erdgeist@erdgeist.org>
+   It is considered beerware. Prost. Skol. Cheers or whatever.
+
+   $id$ */
+
+#ifndef OT_SOCKET_H__
+#define OT_SOCKET_H__
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include "trackerlogic.h"
+
+/* Every socket opentracker opens is an AF_INET6 socket with IPV6_V6ONLY
+   cleared, so one descriptor serves both families and an IPv4 peer arrives
+   as the v4 mapped address */
+
+/* Ask the kernel to let several processes bind the same address */
+extern int g_socket_reuseport;
+
+/* Create, bind and, for TCP, listen. The returned socket is non blocking
+   Returns -1 on failure with errno set */
+int     socket_tcp_listen(const ot_ip6 ip, uint16_t port);
+int     socket_udp_bind(const ot_ip6 ip, uint16_t port);
+
+int     socket_tcp_connect(const ot_ip6 srcip, uint16_t srcport, const ot_ip6 dstip, uint16_t dstport);
+int     socket_is_connected(int s);
+int     socket_accept(int s, ot_ip6 ip, uint16_t *port);
+
+ssize_t socket_recv(int s, void *buf, size_t len, ot_ip6 ip, uint16_t *port);
+ssize_t socket_send(int s, const void *buf, size_t len, const ot_ip6 ip, uint16_t port);
+
+#ifdef WANT_SYNC_LIVE
+/*
+   socket_mcast_join takes the wildcard address and names the interface in the
+   join, and hands back a blocking socket, since the thread that reads it does
+   nothing else. socket_mcast_bind hands back a non blocking one, because the
+   thread that sends from it is also serving clients. Incoming datagrams are
+   read with socket_recv */
+int     socket_mcast_join(const ot_ip6 group, const ot_ip6 interface, uint16_t port);
+int     socket_mcast_bind(const ot_ip6 interface, uint16_t port, int loopback);
+ssize_t socket_mcast_send(int s, const void *buf, size_t len, const ot_ip6 group, uint16_t port);
+#endif
+
+#endif