view rvinterf/lowlevel/clientcmd.c @ 416:30f6d1c32c6f

doc/Flash-boot-defect article removed (no longer relevant) This article is no longer relevant because the issue in question only affected one (1) defective FCDEV3B board which was not and never will be sold.
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 26 Oct 2018 07:11:08 +0000
parents e7502631a0f9
children
line wrap: on
line source

/*
 * This rvinterf module implements the handling of client commands.
 */

#include <sys/types.h>
#include <stdio.h>
#include <string.h>
#include <strings.h>
#include <stdlib.h>
#include <unistd.h>
#include "../include/pktmux.h"
#include "../include/limits.h"
#include "../include/localsock.h"
#include "client.h"

void
process_msg_from_client(cli)
	struct client *cli;
{
	int c;

	switch (cli->rx_buf[0]) {
	case CLI2RVI_WANT_RVTRACE:
		if (cli->rx_msglen != 9) {
			send_local_msg_to_client(cli, "-Bad command length");
			return;
		}
		c = cli->int_rvt_count;
		if (c >= MAX_RVT_INTEREST) {
			send_local_msg_to_client(cli,
					"-Error: too many RVT interests");
			return;
		}
		cli->int_rvt_mask[c] = cli->rx_buf[1] << 24 |
					cli->rx_buf[2] << 16 |
					cli->rx_buf[3] << 8 | cli->rx_buf[4];
		cli->int_rvt_match[c] = cli->rx_buf[5] << 24 |
					cli->rx_buf[6] << 16 |
					cli->rx_buf[7] << 8 | cli->rx_buf[8];
		cli->int_rvt_count++;
		send_local_msg_to_client(cli, "+OK");
		return;
	case CLI2RVI_WANT_MUXPROTO:
		if (cli->rx_msglen != 2) {
			send_local_msg_to_client(cli, "-Bad command length");
			return;
		}
		if (cli->rx_buf[1] < 0x12 || cli->rx_buf[1] > 0x1D) {
			send_local_msg_to_client(cli,
					"-Unsupported protocol MUX value");
			return;
		}
		cli->int_proto[cli->rx_buf[1] - 0x12] = 1;
		send_local_msg_to_client(cli, "+OK");
		return;
	case CLI2RVI_DROP_MUXPROTO:
		if (cli->rx_msglen != 2) {
			send_local_msg_to_client(cli, "-Bad command length");
			return;
		}
		if (cli->rx_buf[1] < 0x12 || cli->rx_buf[1] > 0x1D) {
			send_local_msg_to_client(cli,
					"-Unsupported protocol MUX value");
			return;
		}
		cli->int_proto[cli->rx_buf[1] - 0x12] = 0;
		send_local_msg_to_client(cli, "+OK");
		return;
	case CLI2RVI_RESET_PACKET_RX:
		cli->int_rvt_count = 0;
		bzero(cli->int_proto, sizeof(cli->int_proto));
		send_local_msg_to_client(cli, "+OK");
		return;
	case CLI2RVI_PKT_TO_TARGET:
		c = cli->rx_msglen - 1;
		if (c < 1 || c > MAX_PKT_TO_TARGET) {
			send_local_msg_to_client(cli,
						 "-Invalid Tx packet length");
			return;
		}
		send_pkt_to_target(cli->rx_buf + 1, c);
		log_sent_packet(cli->rx_buf + 1, c);
		return;
	case CLI2RVI_RAWBYTES_TO_TARGET:
		/* To be implemented */
	default:
		send_local_msg_to_client(cli, "-Unimplemented command");
	}
}