More move to cw_Conn and conn-stuff within on file

src/cw/conn.c

@@ -0,0 +1,134 @@
+#include <string.h>
+
+
+#include "conn.h"
+#include "capwap.h"
+#include "cw.h"
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+#include "log.h"
+#include "capwap.h"
+#include "conn.h"
+#include "sock.h"
+
+#include "msgset.h"
+#include "cw.h"
+
+
+
+
+static int write_header(struct cw_ElemHandler * handler, uint8_t * dst, int len)
+{
+	if (handler->vendor)
+		return len + cw_put_elem_vendor_hdr(dst, handler->vendor, handler->id, len);
+
+	return  len + cw_put_elem_hdr(dst, handler->id, len);
+}
+
+static int header_len(struct cw_ElemHandler * handler)
+{
+	return handler->vendor ? 10 : 4;
+}
+
+
+/**
+ * Basic initialization of a conn object 
+ * @param conn conn object to initialize
+ */ 
+void cw_conn_init(struct cw_Conn * conn)
+{
+	memset(conn,0,sizeof(struct cw_Conn ));
+	conn->retransmit_interval=CAPWAP_RETRANSMIT_INTERVAL;
+	conn->max_retransmit=CAPWAP_MAX_RETRANSMIT;
+	conn->wait_dtls=CAPWAP_WAIT_DTLS;
+	conn->wait_join=CAPWAP_WAIT_JOIN;
+	conn->mtu_discovery=1;
+//	conn->capwap_mode = 0;
+	conn->strict_capwap=1;
+
+
+
+	conn->process_packet=conn_process_packet;
+	conn->process_message=process_message;
+
+	conn->write_header = write_header;
+	conn->header_len = header_len;
+
+
+}
+
+/**
+ * Create a conn object
+ * @param sock a socket
+ * @param addr the address associated
+ * @param qsize size of packet queue
+ * @return A pointer to the created object
+ * This function creates a conn obnject with queueing functionality
+ * for asynchronous operation. 
+ * To create a conn object without queue functionallity use  #conn_create_noq.
+ */
+struct cw_Conn * cw_conn_create(int sock, struct sockaddr * addr, int qsize)
+{
+	struct cw_Conn * conn; 
+	conn = malloc(sizeof (struct cw_Conn ));
+	if (!conn)
+		return NULL;
+
+	cw_conn_init(conn);
+
+	conn->sock=sock;
+
+	if (addr)
+		sock_copyaddr(&conn->addr,addr);
+
+
+	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,"Fatal- Can't init semaphore for conn object: %s",strerror(errno));
+			conn_destroy(conn);
+			return NULL;
+		};
+		conn->recv_packet=conn_q_recv_packet;
+		conn->recv_packet_peek=conn_q_recv_packet_peek;
+	}
+	else{
+		conn->recv_packet = conn_recv_packet;
+		conn->recv_packet_peek = conn_recv_packet_peek;
+	}
+
+	conn->send_packet = conn_send_packet;
+/*	conn->send_data_packet = conn_send_data_packet;*/
+
+	conn->last_seqnum_received=-1;
+	conn->mtu=600;
+
+
+	conn->cur_packet=0;
+	conn->recv_timeout=1;
+
+	conn->seqnum=-1;
+	conn->write = conn->send_packet;
+	conn->read = conn->recv_packet;
+
+/*	conn->write_data = conn->send_data_packet; */
+
+	conn->dtls_mtu = 600;
+
+	return conn;
+}
+
+