Function get_body

parser/msg_parser.h:431–480

returns the body of the SIP message (if none, an empty body will be returned) */

/* returns the body of the SIP message (if none, an empty body will be returned)
 */
inline static int get_body(struct sip_msg *msg, str *body)
{
	unsigned int hdrs_len;
	int ct_len;

	if (sdp_get_custom_body(msg, body) == 0) {
		LM_DBG("found custom 'SDP ops' body, len: %d\n", body->len);
		return 0;
	}

	if ( parse_headers(msg,HDR_EOH_F, 0)==-1 )
		return -1;

	if (msg->unparsed){
		hdrs_len=(unsigned int)(msg->unparsed-msg->buf);
	} else {
		return -1;
	}

	if ((hdrs_len+2<=msg->len) && (strncmp(CRLF,msg->unparsed,CRLF_LEN)==0) )
		body->s = msg->unparsed + CRLF_LEN;
	else if ( (hdrs_len+1<=msg->len) &&
	(*(msg->unparsed)=='\n' || *(msg->unparsed)=='\r' ) )
		body->s = msg->unparsed + 1;
	else {
		/* no body */
		body->s = NULL;
		body->len = 0;
		return 0;
	}

	/* determin the length of the body */
	body->len = msg->buf + msg->len - body->s;

	/* double check the len against content-length hdr
	   (if present, it must be already parsed);
	   NOTE that the CT hdr may be missing if using UDP, so 
	   we do not consider its missing an err case */
	if (msg->content_length) {
		ct_len = get_content_length( msg );
		if (ct_len<body->len)
			body->len = ct_len;
	} else if (msg->rcv.proto!=PROTO_UDP) {
		/* no ct -> no body */
		body->s = NULL;
		body->len = 0;
	}

	return 0;
}

/*
 * Get the callid of a message. If returned value is 0, the callid is stored