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Diffstat (limited to 'lib/tcp.c')
-rw-r--r--lib/tcp.c71
1 files changed, 36 insertions, 35 deletions
diff --git a/lib/tcp.c b/lib/tcp.c
index f5673f5..7264244 100644
--- a/lib/tcp.c
+++ b/lib/tcp.c
@@ -31,36 +31,27 @@ _read_header (struct rs_message *msg)
{
size_t n = 0;
- n = bufferevent_read (msg->conn->base_.bev, msg->hdr, RS_HEADER_LEN);
+ n = bufferevent_read (TO_BASE_CONN(msg->conn)->bev, msg->hdr, RS_HEADER_LEN);
if (n == RS_HEADER_LEN)
{
msg->flags |= RS_MESSAGE_HEADER_READ;
msg->rpkt->length = (msg->hdr[2] << 8) + msg->hdr[3];
if (msg->rpkt->length < 20 || msg->rpkt->length > RS_MAX_PACKET_LEN)
- {
- conn_close (&msg->conn);
- return rs_err_conn_push (msg->conn, RSE_INVALID_MSG,
- "invalid message length: %d",
- msg->rpkt->length);
- }
+ return rs_err_conn_push (msg->conn, RSE_INVALID_MSG,
+ "invalid message length: %d",
+ msg->rpkt->length);
memcpy (msg->rpkt->data, msg->hdr, RS_HEADER_LEN);
- bufferevent_setwatermark (msg->conn->base_.bev, EV_READ,
+ bufferevent_setwatermark (TO_BASE_CONN(msg->conn)->bev, EV_READ,
msg->rpkt->length - RS_HEADER_LEN, 0);
rs_debug (("%s: message header read, total msg len=%d\n",
__func__, msg->rpkt->length));
}
else if (n < 0)
- {
- rs_debug (("%s: buffer frozen while reading header\n", __func__));
- }
+ rs_debug (("%s: buffer frozen while reading header\n", __func__));
else /* Error: libevent gave us less than the low watermark. */
- {
- conn_close (&msg->conn);
- return rs_err_conn_push_fl (msg->conn, RSE_INTERNAL, __FILE__, __LINE__,
- "got %d octets reading header", n);
- }
-
- return 0;
+ return rs_err_conn_push_fl (msg->conn, RSE_INTERNAL, __FILE__, __LINE__,
+ "got %d octets reading header", n);
+ return RSE_OK;
}
/** Read a message, check that it's valid RADIUS and hand it off to
@@ -98,12 +89,9 @@ _read_message (struct rs_message *msg)
- attribute lengths >= 2
- attribute sizes adding up correctly */
err = nr_packet_ok (msg->rpkt);
- if (err != RSE_OK)
- {
- conn_close (&msg->conn);
- return rs_err_conn_push_fl (msg->conn, err, __FILE__, __LINE__,
- "invalid message");
- }
+ if (err)
+ return rs_err_conn_push_fl (msg->conn, err, __FILE__, __LINE__,
+ "invalid message");
#if defined (DEBUG)
/* Find out what happens if there's data left in the buffer. */
@@ -133,11 +121,11 @@ _read_message (struct rs_message *msg)
/* The read callback for TCP.
- Read exactly one RADIUS message from BEV and store it in struct
- rs_message passed in USER_DATA.
+ Read exactly one RADIUS message from \a bev and store it in the
+ struct rs_message passed in \a user_data.
Inform upper layer about successful reception of received RADIUS
- message by invoking conn->callbacks.recevied_cb(), if !NULL. */
+ message by invoking conn->callbacks.recevied_cb(), if not NULL. */
void
tcp_read_cb (struct bufferevent *bev, void *user_data)
{
@@ -148,7 +136,7 @@ tcp_read_cb (struct bufferevent *bev, void *user_data)
assert (msg->rpkt);
msg->rpkt->sockfd = msg->conn->base_.fd;
- msg->rpkt->vps = NULL; /* FIXME: can this be done when initializing msg? */
+ msg->rpkt->vps = NULL; /* FIXME: can this be done when initializing msg? */
/* Read a message header if not already read, return if that
fails. Read a message and have it dispatched to the user
@@ -158,8 +146,9 @@ tcp_read_cb (struct bufferevent *bev, void *user_data)
avoid the extra copying. */
if ((msg->flags & RS_MESSAGE_HEADER_READ) == 0)
if (_read_header (msg))
- return; /* Error. */
- _read_message (msg);
+ return; /* Invalid header. */
+ if (_read_message (msg))
+ return; /* Invalid message. */
}
void
@@ -179,15 +168,27 @@ tcp_event_cb (struct bufferevent *bev, short events, void *user_data)
assert (msg->conn);
conn = msg->conn;
#if defined (DEBUG)
- assert (msg->conn->base_.active_peer);
- p = conn->base_.active_peer;
+ assert (conn->active_peer);
+ p = conn->active_peer;
#endif
if (events & BEV_EVENT_CONNECTED)
{
- if (conn->tev)
- evtimer_del (conn->tev); /* Cancel connect timer. */
- if (event_on_connect (conn, msg))
+ int err = -1;
+
+ if (conn_originating_p (conn)) /* We're a client. */
+ {
+ assert (conn->tev);
+ if (conn->tev)
+ evtimer_del (conn->tev); /* Cancel connect timer. */
+ err = event_on_connect_orig (conn, msg);
+ }
+ else /* We're a server. */
+ {
+ assert (conn->tev == NULL);
+ err = event_on_connect_term (conn, msg);
+ }
+ if (err)
{
event_on_disconnect (conn);
event_loopbreak (conn);