Initial commit

FossilOrigin-Name: c53d95729c009f8f80a7d63847cef7668ff73f8af0523ab65f7734696f85399c

src/capwap/conn.c

@@ -0,0 +1,117 @@
+/*
+    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 <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+#include "conn.h"
+#include "capwap.h"
+#include "sock.h"
+
+#include "cw_log.h"
+
+/**
+ * function
+ * @retval 1 Success
+ * @retval 0 failure, conslt errno for more details
+ */
+struct conn * conn_create(int sock, struct sockaddr * addr,
+//	void (*process_message)(void *arg,uint8_t *hdr,uint8_t *msg, int len), 
+//	void (*process_message)(void *arg,struct cwrmsg *), //uint8_t *hdr,uint8_t *msg, int len), 
+//	void *pmsgarg, 
+	int qsize)
+	
+{
+	struct conn * conn; 
+	conn = malloc(sizeof (struct conn));
+	if (!conn)
+		return NULL;
+
+	memset(conn,0,sizeof(struct conn));
+
+	conn->sock=sock;
+
+	if (addr)
+		sock_copyaddr(&conn->addr,addr);
+
+//	printf("AF IN: %i\n",addr->sa_family);
+	char str[200] ;
+	sock_addrtostr((struct sockaddr*)&conn->addr,str,200);
+//	printf("CONN CREATOR: %s\n",str);
+
+	conn->fragman = fragman_create();
+	if (conn->fragman==NULL){
+		conn_destroy(conn);
+		return NULL;
+	}
+
+	conn->qsize=qsize;
+	if (qsize != 0){
+		if (!(conn->q=malloc( sizeof(uint8_t *) * qsize))){
+			conn_destroy(conn);
+			return NULL;
+		}
+		conn->qrpos=-1;
+		if (sem_init(&conn->q_sem,0,0)!=0){
+			cw_log(LOG_ERR,"sem_init %s",strerror(errno));
+			conn_destroy(conn);
+			return NULL;
+		};
+		conn->recv_packet=conn_q_recv_packet;
+	}
+	else
+		conn->recv_packet = conn_recv_packet;
+
+
+//	conn->process_message=process_message;
+//	conn->pmsgarg=pmsgarg;
+
+	conn->last_seqnum_received=-1;
+	conn->mtu=1500;
+
+	conn->send_packet = conn_send_packet;
+
+	conn->cur_packet=0;
+	conn->recv_timeout=1;
+
+	conn->seqnum=-1;
+	conn->write = conn->send_packet;
+	conn->read = conn->recv_packet;
+
+
+	return conn;
+}
+
+
+void conn_destroy(struct conn * conn)
+{
+	if (conn->fragman)
+		fragman_destroy(conn->fragman);
+	if (conn->q)
+		free (conn->q);
+
+	free(conn);
+}
+
+/*
+void connn_get_next_seqnum(struct conn * conn)
+{
+	return (++conn->seqnum)&0xff;
+}
+*/