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dpavlin |
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/* |
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dpavlin |
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* Cisco router simulation platform. |
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dpavlin |
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* Copyright (c) 2006 Christophe Fillot (cf@utc.fr) |
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* |
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* Hypervisor NIO bridge routines. |
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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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#include "utils.h" |
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#include "net.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 "registry.h" |
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#include "hypervisor.h" |
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/* Create a new NIO bridge */ |
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static int cmd_create(hypervisor_conn_t *conn,int argc,char *argv[]) |
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{ |
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netio_bridge_t *t; |
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if (!(t = netio_bridge_create(argv[0]))) { |
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hypervisor_send_reply(conn,HSC_ERR_CREATE,1, |
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"unable to create NIO bridge '%s'", |
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argv[0]); |
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return(-1); |
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} |
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netio_bridge_release(argv[0]); |
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hypervisor_send_reply(conn,HSC_INFO_OK,1,"NIO bridge '%s' created",argv[0]); |
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return(0); |
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} |
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/* Delete an NIO bridge */ |
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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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res = netio_bridge_delete(argv[0]); |
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if (res == 1) { |
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hypervisor_send_reply(conn,HSC_INFO_OK,1,"NIO bridge '%s' deleted", |
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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 bridge '%s'",argv[0]); |
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} |
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return(res); |
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} |
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/* |
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* Add a NIO to a bridge |
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* |
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* Parameters: <bridge_name> <nio_name> |
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*/ |
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static int cmd_add_nio(hypervisor_conn_t *conn,int argc,char *argv[]) |
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{ |
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netio_bridge_t *t; |
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if (!(t = hypervisor_find_object(conn,argv[0],OBJ_TYPE_NIO_BRIDGE))) |
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return(-1); |
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if (netio_bridge_add_netio(t,argv[1]) == -1) { |
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netio_bridge_release(argv[0]); |
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hypervisor_send_reply(conn,HSC_ERR_BINDING,1, |
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"unable to bind NIO '%s' to bridge '%s'", |
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argv[1],argv[0]); |
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return(-1); |
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} |
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netio_bridge_release(argv[0]); |
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hypervisor_send_reply(conn,HSC_INFO_OK,1,"NIO '%s' bound.",argv[1]); |
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return(0); |
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} |
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/* |
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* Remove a NIO from a bridge |
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* |
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* Parameters: <bridge_name> <nio_name> |
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*/ |
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static int cmd_remove_nio(hypervisor_conn_t *conn,int argc,char *argv[]) |
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{ |
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netio_bridge_t *t; |
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if (!(t = hypervisor_find_object(conn,argv[0],OBJ_TYPE_NIO_BRIDGE))) |
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return(-1); |
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if (netio_bridge_remove_netio(t,argv[1]) == -1) { |
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netio_bridge_release(argv[0]); |
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hypervisor_send_reply(conn,HSC_ERR_BINDING,1, |
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"unable to bind NIO '%s' to bridge '%s'", |
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argv[1],argv[0]); |
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return(-1); |
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} |
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netio_bridge_release(argv[0]); |
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hypervisor_send_reply(conn,HSC_INFO_OK,1,"NIO '%s' unbound.",argv[1]); |
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return(0); |
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} |
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/* Show info about a NIO bridge object */ |
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static void cmd_show_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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/* Bridge switch List */ |
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static int cmd_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_BRIDGE,cmd_show_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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/* NIO bridge commands */ |
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static hypervisor_cmd_t nio_bridge_cmd_array[] = { |
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{ "create", 1, 1, cmd_create, NULL }, |
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{ "delete", 1, 1, cmd_delete, NULL }, |
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{ "add_nio", 2, 2, cmd_add_nio, NULL }, |
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{ "remove_nio", 2, 2, cmd_remove_nio, NULL }, |
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{ "list", 0, 0, cmd_list, NULL }, |
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{ NULL, -1, -1, NULL, NULL }, |
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}; |
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/* Hypervisor NIO bridge initialization */ |
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int hypervisor_nio_bridge_init(void) |
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{ |
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hypervisor_module_t *module; |
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module = hypervisor_register_module("nio_bridge"); |
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assert(module != NULL); |
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hypervisor_register_cmd_array(module,nio_bridge_cmd_array); |
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return(0); |
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} |