renamed capwap directory to cw.

FossilOrigin-Name: 8a43dd9d05a4cb73210243ddd8df2a26f16c7ef2c4d4e36ab446de1f65d88223

src/cw/conn_recv_packet.c

@@ -0,0 +1,76 @@
+/*
+    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 <time.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <errno.h>
+#include <string.h>
+
+#include "conn.h"
+
+#include "sock.h"
+
+int conn_recv_packet_(struct conn *conn, uint8_t * buf, int len, int flags)
+{
+	int n;
+	while ((n = recv(conn->sock, (char *) buf, len, flags)) < 0) {
+		if (errno != EINTR) {
+			if (errno == EAGAIN)
+				return n;
+
+		}
+	}
+	return n;
+}
+
+
+int conn_recvfrom_packet(struct conn *conn, uint8_t * buf, int len,
+			 struct sockaddr_storage *from)
+{
+	socklen_t al;
+
+	al = sizeof(struct sockaddr_storage);
+	memset(from, 0, sizeof(struct sockaddr_storage));
+
+	int n;
+	while ((n = recvfrom(conn->sock, (char *) buf, len, 0, (struct sockaddr*)from, &al)) < 0) {
+		if (errno != EINTR) {
+			if (errno == EAGAIN)
+				return n;
+
+		}
+
+	}
+	return n;
+
+}
+
+/* yes, these functions could be better defined as macros in a .h file */
+
+int conn_recv_packet(struct conn *conn, uint8_t * buf, int len)
+{
+	return conn_recv_packet_(conn, buf, len, 0);
+}
+
+int conn_recv_packet_peek(struct conn *conn, uint8_t * buf, int len)
+{
+	int rc = conn_recv_packet_(conn, buf, len, MSG_PEEK);
+	return rc;
+
+}