Move connection related functions to conn.c.

1 files changed, 141 insertions, 0 deletions

diff --git a/lib/conn.c b/lib/conn.c
new file mode 100644
index 0000000..62105e6
--- /dev/null
+++ b/lib/conn.c
@@ -0,0 +1,141 @@
+/* See the file COPYING for licensing information.  */
+
+#include <assert.h>
+#include <radsec/radsec.h>
+#include <radsec/radsec-impl.h>
+
+int
+rs_conn_create (struct rs_context *ctx, struct rs_connection **conn,
+		const char *config)
+{
+  struct rs_connection *c;
+
+  c = (struct rs_connection *) malloc (sizeof(struct rs_connection));
+  if (c)
+    {
+      memset (c, 0, sizeof(struct rs_connection));
+      c->ctx = ctx;
+      if (config)
+	{
+	  struct rs_realm *r = rs_conf_find_realm (ctx, config);
+	  if (r)
+	    {
+	      struct rs_peer *p;
+
+	      c->type = r->type;
+	      c->peers = r->peers; /* FIXME: Copy instead?  */
+	      for (p = c->peers; p; p = p->next)
+		p->conn = c;
+	    }
+	}
+    }
+  if (conn)
+    *conn = c;
+  return c ? RSE_OK : rs_err_ctx_push (ctx, RSE_NOMEM, NULL);
+}
+
+void
+rs_conn_set_type (struct rs_connection *conn, rs_conn_type_t type)
+{
+  conn->type = type;
+}
+
+
+struct rs_error *
+_rs_resolv (struct evutil_addrinfo **addr, rs_conn_type_t type,
+	    const char *hostname, const char *service)
+{
+  int err;
+  struct evutil_addrinfo hints, *res = NULL;
+
+  memset (&hints, 0, sizeof(struct evutil_addrinfo));
+  hints.ai_family = AF_UNSPEC;	/* v4 or v6.  */
+  hints.ai_flags = AI_ADDRCONFIG;
+  switch (type)
+    {
+    case RS_CONN_TYPE_NONE:
+      return _rs_err_create (RSE_INVALID_CONN, __FILE__, __LINE__, NULL, NULL);
+    case RS_CONN_TYPE_TCP:
+      /* Fall through.  */
+    case RS_CONN_TYPE_TLS:
+      hints.ai_socktype = SOCK_STREAM;
+      hints.ai_protocol = IPPROTO_TCP;
+      break;
+    case RS_CONN_TYPE_UDP:
+      /* Fall through.  */
+    case RS_CONN_TYPE_DTLS:
+      hints.ai_socktype = SOCK_DGRAM;
+      hints.ai_protocol = IPPROTO_UDP;
+      break;
+    }
+  err = evutil_getaddrinfo (hostname, service, &hints, &res);
+  if (err)
+    return _rs_err_create (RSE_BADADDR, __FILE__, __LINE__,
+			   "%s:%s: bad host name or service name (%s)",
+			   hostname, service, evutil_gai_strerror(err));
+  *addr = res;			/* Simply use first result.  */
+  return NULL;
+}
+
+int
+rs_conn_add_listener (struct rs_connection *conn, rs_conn_type_t type,
+		      const char *hostname, int port)
+{
+  return rs_err_conn_push_fl (conn, RSE_NOSYS, __FILE__, __LINE__,
+			      "%s: NYI", __func__);
+}
+
+void
+rs_conn_destroy (struct rs_connection *conn)
+{
+  struct rs_peer *p;
+
+#warning "TODO: Disconnect active_peer."
+
+  for (p = conn->peers; p; p = p->next)
+    {
+      if (p->addr)
+	evutil_freeaddrinfo (p->addr);
+      if (p->secret)
+	rs_free (conn->ctx, p->secret);
+    }
+
+  if (conn->evb)
+    event_base_free (conn->evb);
+}
+
+int
+rs_conn_set_eventbase (struct rs_connection *conn, struct event_base *eb)
+{
+  return rs_err_conn_push_fl (conn, RSE_NOSYS, __FILE__, __LINE__,
+			      "%s: NYI", __func__);
+}
+
+int
+rs_conn_set_callbacks (struct rs_connection *conn, struct rs_conn_callbacks *cb)
+{
+  return rs_err_conn_push_fl (conn, RSE_NOSYS, __FILE__, __LINE__,
+			      "%s: NYI", __func__);
+}
+
+int
+rs_conn_select_server (struct rs_connection *conn, const char *name)
+{
+  return rs_err_conn_push_fl (conn, RSE_NOSYS, __FILE__, __LINE__,
+			      "%s: NYI", __func__);
+}
+
+int
+rs_conn_get_current_server (struct rs_connection *conn, const char *name,
+			    size_t buflen)
+{
+  return rs_err_conn_push_fl (conn, RSE_NOSYS, __FILE__, __LINE__,
+			      "%s: NYI", __func__);
+}
+
+int rs_conn_fd (struct rs_connection *conn)
+{
+  assert (conn);
+  assert (conn->active_peer);
+  return conn->active_peer->fd;
+}