Start committing Bluetooth HID (Human Interface Device) support.

Note: bthidd(8) is still not complete. Need to commit kernel
support (a-la Linux /dev/input) to feed HID events into kernel.
Also need to write bthidd(8) and bthidd.conf(5) man pages.

1 files changed, 136 insertions, 0 deletions

diff --git a/usr.sbin/bluetooth/bthidd/session.c b/usr.sbin/bluetooth/bthidd/session.c
new file mode 100644
index 0000000..523b918
--- /dev/null
+++ b/usr.sbin/bluetooth/bthidd/session.c
@@ -0,0 +1,136 @@
+/*
+ * session.c
+ *
+ * Copyright (c) 2004 Maksim Yevmenkin <m_evmenkin@yahoo.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $Id: session.c,v 1.1 2004/02/12 22:46:59 max Exp $
+ * $FreeBSD$
+ */
+
+#include <sys/queue.h>
+#include <assert.h>
+#include <bluetooth.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include "bthidd.h"
+
+/*
+ * Create new session
+ */
+
+bthid_session_p
+session_open(bthid_server_p srv, bdaddr_p bdaddr)
+{
+	bthid_session_p	s = NULL;
+
+	assert(srv != NULL);
+	assert(bdaddr != NULL);
+
+	if ((s = (bthid_session_p) malloc(sizeof(*s))) != NULL) {
+		s->srv = srv;  
+		memcpy(&s->bdaddr, bdaddr, sizeof(s->bdaddr));
+		s->ctrl = s->intr = -1;
+		s->state = CLOSED;
+
+		LIST_INSERT_HEAD(&srv->sessions, s, next);
+	}
+
+	return (s);
+}
+
+/*
+ * Lookup session by bdaddr
+ */
+
+bthid_session_p
+session_by_bdaddr(bthid_server_p srv, bdaddr_p bdaddr)
+{
+	bthid_session_p	s = NULL;
+
+	assert(srv != NULL);
+	assert(bdaddr != NULL);
+
+	LIST_FOREACH(s, &srv->sessions, next)
+		if (memcmp(&s->bdaddr, bdaddr, sizeof(s->bdaddr)) == 0)
+			break;
+
+	return (s);
+}
+
+/*
+ * Lookup session by fd
+ */
+
+bthid_session_p
+session_by_fd(bthid_server_p srv, int fd)
+{
+	bthid_session_p	s = NULL;
+
+	assert(srv != NULL);
+	assert(fd >= 0);
+
+	LIST_FOREACH(s, &srv->sessions, next)
+		if (s->ctrl == fd || s->intr == fd)
+			break;
+
+	return (s);
+}
+
+/*
+ * Close session
+ */
+
+void
+session_close(bthid_session_p s)
+{
+	assert(s != NULL);
+	assert(s->srv != NULL);
+
+	LIST_REMOVE(s, next);
+
+	if (s->intr != -1) {
+		FD_CLR(s->intr, &s->srv->rfdset);
+		FD_CLR(s->intr, &s->srv->wfdset);
+		close(s->intr);
+
+		if (s->srv->maxfd == s->intr)
+			s->srv->maxfd --;
+	}
+
+	if (s->ctrl != -1) {
+		FD_CLR(s->ctrl, &s->srv->rfdset);
+		FD_CLR(s->ctrl, &s->srv->wfdset);
+		close(s->ctrl);
+
+		if (s->srv->maxfd == s->ctrl)
+			s->srv->maxfd --;
+	}
+
+	memset(s, 0, sizeof(*s));
+	free(s);
+}
+