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-rw-r--r--lib/packet.c88
1 files changed, 76 insertions, 12 deletions
diff --git a/lib/packet.c b/lib/packet.c
index eefb5eb..652c495 100644
--- a/lib/packet.c
+++ b/lib/packet.c
@@ -1,6 +1,8 @@
#include <string.h>
#include <assert.h>
#include <freeradius/libradius.h>
+#include <event2/event.h>
+#include <event2/bufferevent.h>
#include "libradsec.h"
#include "libradsec-impl.h"
#if defined DEBUG
@@ -29,6 +31,7 @@ _packet_create (struct rs_connection *conn, struct rs_packet **pkt_out,
return rs_conn_err_push (conn, RSE_NOMEM, __func__);
}
memset (p, 0, sizeof (struct rs_packet));
+ p->conn = conn;
p->rpkt = rpkt;
*pkt_out = p;
@@ -59,26 +62,87 @@ rs_packet_create_acc_request (struct rs_connection *conn,
return RSE_OK;
}
+static void
+_event_cb (struct bufferevent *bev, short events, void *ctx)
+{
+ struct rs_packet *pkt = (struct rs_packet *) ctx;
+
+ assert (pkt);
+ assert (pkt->conn);
+ if (events & BEV_EVENT_CONNECTED)
+ {
+#if defined (DEBUG)
+ fprintf (stderr, "%s: connected\n", __func__);
+#endif
+ rad_encode (pkt->rpkt, NULL, pkt->conn->active_peer->secret);
+#if defined (DEBUG)
+ fprintf (stderr, "%s: about to send this to %s:\n", __func__, "<fixme>");
+ rs_dump_packet (pkt);
+#endif
+ if (bufferevent_write(bev, pkt->rpkt->data, pkt->rpkt->data_len))
+ rs_conn_err_push_fl (pkt->conn, RSE_EVENT, __FILE__, __LINE__,
+ "bufferevent_write");
+ /* Packet will be freed in write callback. */
+ }
+ else if (events & BEV_EVENT_ERROR)
+ rs_conn_err_push_fl (pkt->conn, RSE_CONNERR, __FILE__, __LINE__, NULL);
+}
+
+void
+rs_packet_destroy(struct rs_packet *pkt)
+{
+ rad_free (&pkt->rpkt);
+ rs_free (pkt->conn->ctx, pkt);
+}
+
+static void
+_write_cb (struct bufferevent *bev, void *ctx)
+{
+ struct rs_packet *pkt = (struct rs_packet *) ctx;
+
+ assert (pkt);
+ assert (pkt->conn);
+#if defined (DEBUG)
+ fprintf (stderr, "%s: packet written, breaking event loop\n", __func__);
+#endif
+ if (event_base_loopbreak (pkt->conn->evb) < 0)
+ abort (); /* FIXME */
+ rs_packet_destroy (pkt);
+}
+
int
-rs_packet_send (struct rs_connection *conn, const struct rs_packet *pkt,
- void *user_data)
+rs_packet_send (struct rs_connection *conn, struct rs_packet *pkt, void *data)
{
+ struct bufferevent *bev;
+ struct rs_peer *p;
+
assert (pkt->rpkt);
- if (!conn->active_peer)
+ if (rs_conn_open (conn))
+ return -1;
+ p = conn->active_peer;
+ assert (p);
+
+ assert (conn->active_peer->s >= 0);
+ bev = bufferevent_socket_new (conn->evb, conn->active_peer->s, 0);
+ if (!bev)
+ return rs_conn_err_push_fl (conn, RSE_EVENT, __FILE__, __LINE__,
+ "bufferevent_socket_new");
+ if (bufferevent_socket_connect (bev, p->addr->ai_addr, p->addr->ai_addrlen) < 0)
{
- int err = rs_conn_open (conn);
- if (err)
- return err;
- }
- rad_encode (pkt->rpkt, NULL, conn->active_peer->secret);
+ bufferevent_free (bev);
+ return rs_conn_err_push_fl (conn, RSE_EVENT, __FILE__, __LINE__,
+ "bufferevent_socket_connect");
+ }
+
+ bufferevent_setcb (bev, NULL, _write_cb, _event_cb, pkt);
+ event_base_dispatch (conn->evb);
#if defined (DEBUG)
- fprintf (stderr, "%s: about to send this to %s:\n", __func__, "<fixme>");
- rs_dump_packet (pkt);
+ fprintf (stderr, "%s: event loop done\n", __func__);
+ assert (event_base_got_break(conn->evb));
#endif
- return rs_conn_err_push_fl (conn, RSE_NOSYS, __FILE__, __LINE__,
- "%s: NYI", __func__);
+ return RSE_OK;
}
int rs_packet_receive(struct rs_connection *conn, struct rs_packet **pkt)