renamed capwap directory to cw.

FossilOrigin-Name: 8a43dd9d05a4cb73210243ddd8df2a26f16c7ef2c4d4e36ab446de1f65d88223

src/cw/send.c

@@ -0,0 +1,129 @@
+#include <errno.h>
+
+#include "conn.h"
+#include "capwap.h"
+#include "log.h"
+#include "dbg.h"
+#include "sock.h"
+#include "timer.h"
+
+
+
+
+int conn_send_msg(struct conn * conn, uint8_t *rawmsg)
+{
+
+	int packetlen = cw_get_hdr_msg_total_len(rawmsg);
+
+	cw_dbg_msg(DBG_MSG_OUT, conn,rawmsg, packetlen,(struct sockaddr*)&conn->addr);
+
+
+	/* Zyxel doesn't count msg element length from
+	   behind seqnum */
+	if (conn->capwap_mode == CW_MODE_ZYXEL){
+		// XXX val-=3;
+	}
+
+
+	uint8_t * ptr = rawmsg;
+
+	int fragoffset = 0;
+
+	int hlen = cw_get_hdr_hlen(rawmsg)*4;
+
+	int mtu = conn->mtu;
+
+	while (packetlen>mtu){
+		cw_set_hdr_flags(rawmsg,CW_FLAG_HDR_F,1);
+		cw_put_dword(ptr+4, conn->fragid<<16 | fragoffset<<3 );
+
+		cw_dbg_pkt(DBG_PKT_OUT,conn,ptr,mtu,(struct sockaddr*)&conn->addr);
+
+		if (conn->write(conn,ptr,mtu)<0)
+			return -1;
+
+		// XXX Fragmentation stuff..
+		ptr +=mtu-hlen;
+		fragoffset+=(mtu-hlen)/8;
+
+		packetlen-=mtu-hlen;
+
+	}
+
+
+	if (fragoffset)
+		cw_set_hdr_flags(rawmsg,CW_FLAG_HDR_F | CW_FLAG_HDR_L,1);
+	else
+		cw_set_hdr_flags(rawmsg,CW_FLAG_HDR_F,0);
+
+	cw_put_dword(ptr+4, conn->fragid<<16 | fragoffset<<3 );
+
+
+	cw_dbg_pkt(DBG_PKT_OUT,conn,ptr,packetlen,(struct sockaddr*)&conn->addr);
+
+	return conn->write(conn,ptr,packetlen-0);
+}
+
+
+
+
+
+
+
+
+
+
+int cw_send_request(struct conn *conn,int msg_id)
+{
+	cw_init_request(conn, msg_id);
+	if ( cw_put_msg(conn, conn->req_buffer) == -1 )
+		return 0;
+	conn_send_msg(conn, conn->req_buffer);
+
+	
+	int i;
+	int rc=-1;
+	for (i=0; i<conn->max_retransmit && rc<0; i++){
+		if ( i>0 ){
+			cw_log(LOG_WARNING,"Retransmitting request ... %d",i);
+		}
+		time_t timer = cw_timer_start(conn->retransmit_interval);
+		while (!cw_timer_timeout(timer) && rc<0){
+	
+        	        rc =cw_read_messages(conn);
+			if(rc<0){
+				if (errno!=EAGAIN)
+					break;
+			}
+
+		}
+		if (rc<0){
+			if(errno!=EAGAIN)
+				break;
+			
+		}
+
+	}
+
+	if ( rc <0 && errno != EAGAIN) {
+		cw_log(LOG_ERR,"Can't read from %s: %s",sock_addr2str(&conn->addr),strerror(errno));
+	}
+	if ( rc <0 && errno == EAGAIN) {
+		errno=ETIMEDOUT;
+		rc=-1;
+	}
+
+	return rc;
+}
+
+
+// XXX find a better name for this function 
+int cw_send_custom_request_2(struct conn *conn,int msg_id)
+{
+
+
+
+
+	return 0;
+}
+