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/* |
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* Cisco router simulation platform. |
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* Copyright (c) 2006 Christophe Fillot (cf@utc.fr) |
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* |
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* Hypervisor NIO routines. |
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*/ |
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|
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <unistd.h> |
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#include <string.h> |
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#include <sys/types.h> |
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#include <sys/stat.h> |
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#include <sys/mman.h> |
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#include <signal.h> |
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#include <fcntl.h> |
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#include <errno.h> |
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#include <assert.h> |
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#include <stdarg.h> |
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#include <sys/ioctl.h> |
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#include <sys/types.h> |
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#include <sys/socket.h> |
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#include <arpa/inet.h> |
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#include <pthread.h> |
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|
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#include "utils.h" |
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#include "net.h" |
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#include "atm.h" |
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#include "frame_relay.h" |
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#include "crc.h" |
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#include "net_io.h" |
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#include "net_io_bridge.h" |
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#include "net_io_filter.h" |
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#ifdef GEN_ETH |
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#include "gen_eth.h" |
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#endif |
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#include "registry.h" |
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#include "hypervisor.h" |
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|
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/* |
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* Create a UDP NIO |
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* |
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* Parameters: <nio_name> <local_port> <remote_host> <remote_port> |
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*/ |
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static int cmd_create_udp(hypervisor_conn_t *conn,int argc,char *argv[]) |
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{ |
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netio_desc_t *nio; |
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|
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nio = netio_desc_create_udp(argv[0],atoi(argv[1]),argv[2],atoi(argv[3])); |
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|
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if (!nio) { |
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hypervisor_send_reply(conn,HSC_ERR_CREATE,1, |
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"unable to create UDP NIO"); |
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return(-1); |
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} |
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|
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netio_release(argv[0]); |
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hypervisor_send_reply(conn,HSC_INFO_OK,1,"NIO '%s' created",argv[0]); |
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return(0); |
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} |
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|
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/* |
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* Create a UNIX NIO |
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* |
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* Parameters: <nio_name> <local_file> <remote_file> |
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*/ |
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static int cmd_create_unix(hypervisor_conn_t *conn,int argc,char *argv[]) |
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{ |
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netio_desc_t *nio; |
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|
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nio = netio_desc_create_unix(argv[0],argv[1],argv[2]); |
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|
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if (!nio) { |
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hypervisor_send_reply(conn,HSC_ERR_CREATE,1,"unable to create UNIX NIO"); |
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return(-1); |
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} |
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|
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netio_release(argv[0]); |
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hypervisor_send_reply(conn,HSC_INFO_OK,1,"NIO '%s' created",argv[0]); |
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return(0); |
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} |
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|
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/* |
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* Create a VDE NIO |
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* |
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* Parameters: <nio_name> <control_file> <local_file> |
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*/ |
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static int cmd_create_vde(hypervisor_conn_t *conn,int argc,char *argv[]) |
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{ |
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netio_desc_t *nio; |
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|
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nio = netio_desc_create_vde(argv[0],argv[1],argv[2]); |
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|
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if (!nio) { |
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hypervisor_send_reply(conn,HSC_ERR_CREATE,1,"unable to create VDE NIO"); |
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return(-1); |
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} |
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|
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netio_release(argv[0]); |
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hypervisor_send_reply(conn,HSC_INFO_OK,1,"NIO '%s' created",argv[0]); |
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return(0); |
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} |
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|
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/* |
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* Create a TAP NIO |
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* |
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* Parameters: <nio_name> <tap_device> |
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*/ |
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static int cmd_create_tap(hypervisor_conn_t *conn,int argc,char *argv[]) |
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{ |
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netio_desc_t *nio; |
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|
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nio = netio_desc_create_tap(argv[0],argv[1]); |
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|
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if (!nio) { |
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hypervisor_send_reply(conn,HSC_ERR_CREATE,1,"unable to create TAP NIO"); |
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return(-1); |
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} |
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|
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netio_release(argv[0]); |
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hypervisor_send_reply(conn,HSC_INFO_OK,1,"NIO '%s' created",argv[0]); |
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return(0); |
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} |
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|
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/* |
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* Create a generic ethernet PCAP NIO |
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* |
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* Parameters: <nio_name> <eth_device> |
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*/ |
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#ifdef GEN_ETH |
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static int cmd_create_gen_eth(hypervisor_conn_t *conn,int argc,char *argv[]) |
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{ |
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netio_desc_t *nio; |
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|
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nio = netio_desc_create_geneth(argv[0],argv[1]); |
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|
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if (!nio) { |
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hypervisor_send_reply(conn,HSC_ERR_CREATE,1, |
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"unable to create generic ethernet NIO"); |
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return(-1); |
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} |
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|
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netio_release(argv[0]); |
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hypervisor_send_reply(conn,HSC_INFO_OK,1,"NIO '%s' created",argv[0]); |
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return(0); |
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} |
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#endif |
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|
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/* |
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* Create a linux raw ethernet NIO |
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* |
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* Parameters: <nio_name> <eth_device> |
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*/ |
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#ifdef LINUX_ETH |
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static int cmd_create_linux_eth(hypervisor_conn_t *conn,int argc,char *argv[]) |
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{ |
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netio_desc_t *nio; |
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|
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nio = netio_desc_create_lnxeth(argv[0],argv[1]); |
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|
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if (!nio) { |
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hypervisor_send_reply(conn,HSC_ERR_CREATE,1, |
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"unable to create Linux raw ethernet NIO"); |
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return(-1); |
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} |
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|
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netio_release(argv[0]); |
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hypervisor_send_reply(conn,HSC_INFO_OK,1,"NIO '%s' created",argv[0]); |
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return(0); |
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} |
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#endif |
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|
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/* |
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* Create a Null NIO |
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* |
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* Parameters: <nio_name> |
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*/ |
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static int cmd_create_null(hypervisor_conn_t *conn,int argc,char *argv[]) |
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{ |
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netio_desc_t *nio; |
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|
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nio = netio_desc_create_null(argv[0]); |
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|
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if (!nio) { |
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hypervisor_send_reply(conn,HSC_ERR_CREATE,1, |
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"unable to create Null NIO"); |
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return(-1); |
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} |
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|
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netio_release(argv[0]); |
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hypervisor_send_reply(conn,HSC_INFO_OK,1,"NIO '%s' created",argv[0]); |
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return(0); |
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} |
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|
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/* |
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* Create a FIFO NIO |
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* |
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* Parameters: <nio_name> |
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*/ |
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static int cmd_create_fifo(hypervisor_conn_t *conn,int argc,char *argv[]) |
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{ |
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netio_desc_t *nio; |
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|
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nio = netio_desc_create_fifo(argv[0]); |
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|
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if (!nio) { |
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hypervisor_send_reply(conn,HSC_ERR_CREATE,1, |
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"unable to create FIFO NIO"); |
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return(-1); |
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} |
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|
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netio_release(argv[0]); |
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hypervisor_send_reply(conn,HSC_INFO_OK,1,"NIO '%s' created",argv[0]); |
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return(0); |
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} |
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|
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/* |
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* Establish a cross-connect between 2 FIFO NIO |
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* |
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* Parameters: <nio_A_name> <nio_B_name> |
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*/ |
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static int cmd_crossconnect_fifo(hypervisor_conn_t *conn,int argc,char *argv[]) |
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{ |
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netio_desc_t *a,*b; |
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|
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if (!(a = hypervisor_find_object(conn,argv[0],OBJ_TYPE_NIO))) |
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return(-1); |
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|
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if (!(b = hypervisor_find_object(conn,argv[1],OBJ_TYPE_NIO))) { |
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netio_release(argv[0]); |
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return(-1); |
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} |
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|
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netio_fifo_crossconnect(a,b); |
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|
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netio_release(argv[0]); |
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netio_release(argv[1]); |
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|
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hypervisor_send_reply(conn,HSC_INFO_OK,1,"OK"); |
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return(0); |
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} |
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|
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/* Delete a NIO */ |
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static int cmd_delete(hypervisor_conn_t *conn,int argc,char *argv[]) |
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{ |
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int res; |
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|
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res = netio_delete(argv[0]); |
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|
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if (res == 1) { |
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hypervisor_send_reply(conn,HSC_INFO_OK,1,"NIO '%s' deleted",argv[0]); |
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} else { |
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hypervisor_send_reply(conn,HSC_ERR_DELETE,1, |
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"unable to delete NIO '%s'",argv[0]); |
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} |
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|
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return(res); |
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} |
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|
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/* |
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* Enable/Disable debugging for an NIO |
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* |
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* Parameters: <nio_name> <debug_level> |
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*/ |
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static int cmd_set_debug(hypervisor_conn_t *conn,int argc,char *argv[]) |
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{ |
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netio_desc_t *nio; |
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|
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if (!(nio = hypervisor_find_object(conn,argv[0],OBJ_TYPE_NIO))) |
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return(-1); |
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|
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nio->debug = atoi(argv[1]); |
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|
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netio_release(argv[0]); |
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hypervisor_send_reply(conn,HSC_INFO_OK,1,"OK"); |
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return(0); |
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} |
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|
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/* Bind a packet filter */ |
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static int cmd_bind_filter(hypervisor_conn_t *conn,int argc,char *argv[]) |
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{ |
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netio_desc_t *nio; |
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int res; |
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|
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if (!(nio = hypervisor_find_object(conn,argv[0],OBJ_TYPE_NIO))) |
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return(-1); |
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|
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res = netio_filter_bind(nio,atoi(argv[1]),argv[2]); |
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netio_release(argv[0]); |
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|
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if (!res) { |
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hypervisor_send_reply(conn,HSC_INFO_OK,1,"OK"); |
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} else { |
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hypervisor_send_reply(conn,HSC_ERR_UNK_OBJ,1, |
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"Unknown filter %s",argv[2]); |
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} |
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return(0); |
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} |
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|
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/* Unbind a packet filter */ |
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static int cmd_unbind_filter(hypervisor_conn_t *conn,int argc,char *argv[]) |
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{ |
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netio_desc_t *nio; |
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int res; |
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|
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if (!(nio = hypervisor_find_object(conn,argv[0],OBJ_TYPE_NIO))) |
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return(-1); |
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|
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res = netio_filter_unbind(nio,atoi(argv[1])); |
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netio_release(argv[0]); |
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|
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if (!res) { |
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hypervisor_send_reply(conn,HSC_INFO_OK,1,"OK"); |
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} else { |
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hypervisor_send_reply(conn,HSC_ERR_UNK_OBJ,1, |
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"No filter previously defined"); |
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} |
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return(0); |
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} |
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|
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|
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/* Setup a packet filter for a given NIO */ |
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static int cmd_setup_filter(hypervisor_conn_t *conn,int argc,char *argv[]) |
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{ |
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netio_desc_t *nio; |
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|
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if (!(nio = hypervisor_find_object(conn,argv[0],OBJ_TYPE_NIO))) |
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return(-1); |
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|
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netio_filter_setup(nio,atoi(argv[1]),argc-2,&argv[2]); |
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netio_release(argv[0]); |
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|
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hypervisor_send_reply(conn,HSC_INFO_OK,1,"OK"); |
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return(0); |
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} |
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|
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/* Show info about a NIO object */ |
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static void cmd_show_nio_list(registry_entry_t *entry,void *opt,int *err) |
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{ |
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hypervisor_conn_t *conn = opt; |
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hypervisor_send_reply(conn,HSC_INFO_MSG,0,"%s",entry->name); |
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} |
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|
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/* NIO List */ |
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static int cmd_nio_list(hypervisor_conn_t *conn,int argc,char *argv[]) |
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{ |
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int err = 0; |
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registry_foreach_type(OBJ_TYPE_NIO,cmd_show_nio_list,conn,&err); |
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hypervisor_send_reply(conn,HSC_INFO_OK,1,"OK"); |
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return(0); |
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} |
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|
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/* NIO commands */ |
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static hypervisor_cmd_t nio_cmd_array[] = { |
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{ "create_udp", 4, 4, cmd_create_udp, NULL }, |
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{ "create_unix", 3, 3, cmd_create_unix, NULL }, |
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{ "create_vde", 3, 3, cmd_create_vde, NULL }, |
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{ "create_tap", 2, 2, cmd_create_tap, NULL }, |
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#ifdef GEN_ETH |
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{ "create_gen_eth", 2, 2, cmd_create_gen_eth, NULL }, |
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#endif |
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#ifdef LINUX_ETH |
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{ "create_linux_eth", 2, 2, cmd_create_linux_eth, NULL }, |
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#endif |
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{ "create_null", 1, 1, cmd_create_null, NULL }, |
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{ "create_fifo", 1, 1, cmd_create_fifo, NULL }, |
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{ "crossconnect_fifo", 2, 2, cmd_crossconnect_fifo, NULL }, |
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{ "delete", 1, 1, cmd_delete, NULL }, |
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{ "set_debug", 2, 2, cmd_set_debug, NULL }, |
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{ "bind_filter", 3, 3, cmd_bind_filter, NULL }, |
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{ "unbind_filter", 2, 2, cmd_unbind_filter, NULL }, |
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{ "setup_filter", 2, 10, cmd_setup_filter, NULL }, |
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{ "list", 0, 0, cmd_nio_list, NULL }, |
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{ NULL, -1, -1, NULL, NULL }, |
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}; |
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|
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/* Hypervisor NIO initialization */ |
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int hypervisor_nio_init(void) |
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{ |
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hypervisor_module_t *module; |
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|
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module = hypervisor_register_module("nio",NULL); |
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assert(module != NULL); |
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|
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hypervisor_register_cmd_array(module,nio_cmd_array); |
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return(0); |
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} |