renamed capwap directory to cw.

FossilOrigin-Name: 8a43dd9d05a4cb73210243ddd8df2a26f16c7ef2c4d4e36ab446de1f65d88223

src/cw/dtls_gnutls_bio.c

@@ -0,0 +1,67 @@
+/*
+    This file is part of libcapwap.
+
+    libcapwap is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    libcapwap is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with Foobar.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+#include <stdio.h>
+#include <errno.h>
+
+
+#include <gnutls/gnutls.h>
+
+#include "dtls.h"
+#include "dtls_gnutls.h"
+#include "capwap.h"
+#include "timer.h"
+
+
+
+ssize_t dtls_gnutls_bio_read(gnutls_transport_ptr_t b, void *out, size_t maxlen)
+{
+	struct conn *conn = (struct conn *)b;
+	int rc = dtls_bio_read(conn,out,maxlen);
+	if (rc<=0){
+		errno = EAGAIN;
+		return -1;
+	}
+	errno=0;
+	return rc;
+}
+
+ssize_t dtls_gnutls_bio_write(gnutls_transport_ptr_t b, const void *data, size_t len)
+{
+
+	struct conn *conn = (struct conn*)b;
+	return dtls_bio_write(conn,data,len);
+}
+
+int dtls_gnutls_bio_wait(gnutls_transport_ptr_t ptr, unsigned int ms)
+{
+	struct conn * conn = (struct conn*)ptr;
+	time_t timer = cw_timer_start(ms/1000);
+	int rc;
+
+	uint8_t buffer[5];
+
+	do {
+		rc = conn->recv_packet_peek(conn,buffer,sizeof(buffer));
+
+	}while(!cw_timer_timeout(timer) && rc==GNUTLS_E_AGAIN);
+
+	return rc;
+
+}
+
+