WebSVN – HelenOS – Diff – /branches/network/uspace/srv/net/networking/networking.c


/*
 * Copyright (c) 2009 Lukas Mejdrech
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
/** @addtogroup net
 *  @{
 */
 
/** @file
 */
 
#include <async.h>
#include <ctype.h>
#include <errno.h>
#include <malloc.h>
#include <stdio.h>
#include <task.h>
#include <unistd.h>
 
#include <ipc/ipc.h>
#include <ipc/services.h>
 
#include "../err.h"
#include "../messages.h"
#include "../modules.h"
//#include "../self_test.h"
 
#include "../structures/char_map.h"
#include "../structures/generic_char_map.h"
#include "../structures/measured_strings.h"
#include "../structures/packet/packet.h"
#include "../structures/packet/packet_server.h"
 
#include "../il/ip/ip_messages.h"
#include "../netif/device.h"
 
#if IP_BUNDLE
 
    #include "../ip/ip_module.h"
 
#endif
 
#if TCP_BUNDLE
 
    #include "../tcp/tcp_module.h"
 
#endif
 
#define NAME    "Networking"
 
#define LO_NAME             "lo"
#define LO_FILENAME         "/sbin/lo"
#define DP8390_ISA_NAME         "dp8390_isa"
#define DP8390_ISA_FILENAME     "/sbin/dp8380_isa"
#define ETHERNET_NAME           "ethernet"
#define ETHERNET_FILENAME       "/sbin/ethernet"
#define IP_NAME             "ip"
#define IP_FILENAME         "/sbin/ip"
 
#define IPC_GET_DEVICE( call )  ( device_id_t ) IPC_GET_ARG1( * call )
#define IPC_GET_COUNT( call )   ( int ) IPC_GET_ARG2( * call )
 
typedef struct module_struct    module_t;
typedef module_t *      module_ref;
 
typedef struct netif        netif_t;
typedef netif_t *       netif_ref;
 
typedef struct networking_globals   networking_globals_t;
 
DEVICE_MAP_DECLARE( netifs, netif_t )
 
GENERIC_CHAR_MAP_DECLARE( measured_strings, measured_string_t )
 
GENERIC_CHAR_MAP_DECLARE( modules, module_t )
 
struct module_struct{
    task_id_t   task_id;
    services_t  service;
    int     phone;
    int     usage;
    const char *    name;
    const char *    filename;
};
 
/** A present network interface device.
 */
struct netif{
    /** A system-unique network interface identifier.
     */
    device_id_t     id;
    /** A serving network interface driver module index.
     */
    module_ref      driver;
    /** A serving link layer module index.
     */
    module_ref      nil;
    /** A serving internet layer module index.
     */
    module_ref      il;
    /** A system-unique network interface name.
     */
    char *          name;
    /** Configuration.
     */
    measured_strings_t  configuration;
};
 
/** A networking module global variables.
 */
struct networking_globals{
    /** Present network interfaces.
     */
    netifs_t        netifs;
    /** Network interface structure indices by names.
     */
    char_map_t      netif_names;
    /** Available modules.
     */
    modules_t       modules;
    /** Global configuration.
     */
    measured_strings_t  configuration;
};
 
void    networking_print_name( void );
int     add_module( module_ref * module, modules_ref modules, const char const * name, const char const * filename, services_t service, task_id_t task_id );
static void client_connection( ipc_callid_t iid, ipc_call_t * icall );
measured_string_ref configuration_find( measured_strings_ref configuration, const char * name );
int networking_start_module( async_client_conn_t client_connection );
int     networking_initialize( void );
int networking_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count );
int net_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count );
//int       parse_line( measured_strings_ref configuration, char * line );
int     add_configuration( measured_strings_ref configuration, const char * name, const char * value );
int     read_configuration( void );
task_id_t   spawn( const char * fname );
int     startup( void );
device_id_t generate_new_device_id( void );
 
static networking_globals_t networking_globals;
 
DEVICE_MAP_IMPLEMENT( netifs, netif_t )
 
GENERIC_CHAR_MAP_IMPLEMENT( measured_strings, measured_string_t )
 
GENERIC_CHAR_MAP_IMPLEMENT( modules, module_t )
 
void networking_print_name( void ){
    printf( NAME );
}
 
int add_module( module_ref * module, modules_ref modules, const char * name, const char * filename, services_t service, task_id_t task_id ){
    ERROR_DECLARE;
 
    module_ref  tmp_module;
 
    tmp_module = ( module_ref ) malloc( sizeof( module_t ));
    if( ! tmp_module ) return ENOMEM;
    tmp_module->task_id = task_id;
    tmp_module->phone = 0;
    tmp_module->usage = 0;
    tmp_module->name = name;
    tmp_module->filename = filename;
    tmp_module->service = service;
    if( ERROR_OCCURRED( modules_add( modules, tmp_module->name, 0, tmp_module ))){
        free( tmp_module );
        return ERROR_CODE;
    }
    if( module ) * module = tmp_module;
    return EOK;
}
 
int networking_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){
#ifdef NETWORKING_module
        //TODO map to *_message
        if( IS_NET_IL_MESSAGE( call ) || IS_NET_IP_MESSAGE( call )){
            return ip_message( callid, call, answer, answer_count );
/*      }else if( IS_NET_ARP_MESSAGE( call )){
            return arp_message( callid, call, answer, answer_count );
*//*        }else if( IS_NET_RARP_MESSAGE( call )){
            return rarp_message( callid, call, answer, answer_count );
*//*        }else if( IS_NET_ICMP_MESSAGE( call )){
            return icmp_message( callid, call, answer, answer_count );
*//*        }else if( IS_NET_UDP_MESSAGE( call )){
            return udp_message( callid, call, answer, answer_count );
*/      }else if( IS_NET_TCP_MESSAGE( call )){
            return tcp_message( callid, call, answer, answer_count );
/*      }else if( IS_NET_SOCKET_MESSAGE( call )){
            return socket_message( callid, call, answer, answer_count );
*//*        }else if( IS_NET_NIL_MESSAGE( call ) || IS_NET_ETHERNET_MESSAGE( call )){
            return ethernet_message( callid, call, answer, answer_count );
*/      }else{
#endif
            if( IS_NET_PACKET_MESSAGE( call )){
                return packet_server_message( callid, call, answer, answer_count );
            }else{
                return net_message( callid, call, answer, answer_count );
            }
#ifdef NETWORKING_module
        }
#endif
}
 
int networking_start_module( async_client_conn_t client_connection ){
    ERROR_DECLARE;
 
    ipcarg_t    phonehash;
 
    async_set_client_connection( client_connection );
    ERROR_PROPAGATE( networking_initialize());
    ERROR_PROPAGATE( REGISTER_ME( SERVICE_NETWORKING, & phonehash ));
    ERROR_PROPAGATE( pm_init());
    async_manager();
 
    return EOK;
}
 
int networking_initialize( void ){
    ERROR_DECLARE;
 
    task_id_t   task_id;
 
    netifs_initialize( & networking_globals.netifs );
    char_map_initialize( & networking_globals.netif_names );
    modules_initialize( & networking_globals.modules );
    measured_strings_initialize( & networking_globals.configuration );
 
    // run self tests
//  ERROR_PROPAGATE( self_test());
 
    ERROR_PROPAGATE( add_module( NULL, & networking_globals.modules, LO_NAME, LO_FILENAME, SERVICE_LO, 0 ));
    ERROR_PROPAGATE( add_module( NULL, & networking_globals.modules, DP8390_ISA_NAME, DP8390_ISA_FILENAME, SERVICE_DP8390_ISA, 0 ));
    ERROR_PROPAGATE( add_module( NULL, & networking_globals.modules, ETHERNET_NAME, ETHERNET_FILENAME, SERVICE_ETHERNET, 0 ));
 
#ifdef NETWORKING_modular
    task_id = spawn( "/sbin/ip" );
    if( ! task_id ) return EINVAL;
    ERROR_PROPAGATE( add_module( NULL, & networking_globals.modules, IP_NAME, IP_FILENAME, SERVICE_IP, task_id ));
//  if( ! spawn( "/sbin/udp" )) return EINVAL;
    if( ! spawn( "/sbin/tcp" )) return EINVAL;
//  if( ! spawn( "/sbin/socket" )) return EINVAL;
//  not always necesssary
//  if( ! spawn( "/sbin/arp" )) return EINVAL;
//  if( ! spawn( "/sbin/rarp" )) return EINVAL;
//  if( ! spawn( "/sbin/icmp" )) return EINVAL;
 
#else
#ifdef NETWORKING_module
    ipcarg_t    phonehash;
 
    ERROR_PROPAGATE( REGISTER_ME( SERVICE_IP, & phonehash ));
    ERROR_PROPAGATE( add_module( NULL, & networking_globals.modules, IP_NAME, IP_FILENAME, SERVICE_IP, task_get_id()));
    ERROR_PROPAGATE( ip_initialize());
//  ERROR_PROPAGATE( REGISTER_ME( SERVICE_ARP, & phonehash ));
//  ERROR_PROPAGATE( arp_initialize());
//  ERROR_PROPAGATE( REGISTER_ME( SERVICE_RARP, & phonehash ));
//  ERROR_PROPAGATE( rarp_initialize());
//  ERROR_PROPAGATE( REGISTER_ME( SERVICE_ICMP, & phonehash ));
//  ERROR_PROPAGATE( icmp_initialize());
//  ERROR_PROPAGATE( REGISTER_ME( SERVICE_UDP, & phonehash ));
//  ERROR_PROPAGATE( udp_initialize());
    ERROR_PROPAGATE( REGISTER_ME( SERVICE_TCP, & phonehash ));
    ERROR_PROPAGATE( tcp_initialize());
//  ERROR_PROPAGATE( REGISTER_ME( SERVICE_SOCKET, & phonehash ));
//  ERROR_PROPAGATE( socket_initialize());
//  ERROR_PROPAGATE( REGISTER_ME( SERVICE_ETHERNET, & phonehash ));
//  ERROR_PROPAGATE( ethernet_initialize());
#endif
#endif
 
    return EOK;
}
 
//TODO as ip.c
int net_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){
    ERROR_DECLARE;
 
    measured_string_ref strings;
    char *          data;
    int         index;
    measured_string_ref setting;
    measured_strings_ref    configuration;
    netif_ref       netif;
 
    * answer_count = 0;
    switch( IPC_GET_METHOD( * call )){
        case IPC_M_PHONE_HUNGUP:
            return EOK;
        case NET_NET_DEVICE:
            // TODO configure, register
            printf( "\nNetworking: new netif %d", IPC_GET_DEVICE( call ));
            return EOK;
        case NET_NET_GET_DEVICE_CONF:
            ERROR_PROPAGATE( measured_strings_receive( & strings, & data, IPC_GET_COUNT( call )));
            netif = netifs_find( & networking_globals.netifs, IPC_GET_DEVICE( call ));
            if( netif ){
                configuration = & netif->configuration;
            }else{
                configuration = NULL;
            }
            for( index = 0; index < IPC_GET_COUNT( call ); ++ index ){
                setting = measured_strings_find( configuration, strings[ index ].value, 0 );
                if( ! setting ){
                    setting = measured_strings_find( & networking_globals.configuration, strings[ index ].value, 0 );
                }
                if( setting ){
                    strings[ index ].length = setting->length;
                    strings[ index ].value = setting->value;
                }else{
                    strings[ index ].length = 0;
                    strings[ index ].value = NULL;
                }
            }
            // strings should not contain received data anymore
            free( data );
            ERROR_CODE = measured_strings_reply( strings, IPC_GET_COUNT( call ));
            free( strings );
            return ERROR_CODE;
        case NET_NET_GET_CONF:
            // arg1 = count
            ERROR_PROPAGATE( measured_strings_receive( & strings, & data, IPC_GET_COUNT( call )));
            for( index = 0; index < IPC_GET_COUNT( call ); ++ index ){
                setting = measured_strings_find( & networking_globals.configuration, strings[ index ].value, 0 );
                if( setting ){
                    strings[ index ].length = setting->length;
                    strings[ index ].value = setting->value;
                }else{
                    strings[ index ].length = 0;
                    strings[ index ].value = NULL;
                }
            }
            // strings should not contain received data anymore
            free( data );
            ERROR_CODE = measured_strings_reply( strings, IPC_GET_COUNT( call ));
            free( strings );
            return ERROR_CODE;
        case NET_NET_STARTUP:
            return startup();
    }
    return ENOTSUP;
}
 
/*
int parse_line( measured_strings_ref configuration, char * line ){
    ERROR_DECLARE;
 
    measured_string_ref setting;
    char *          name;
    char *          value;
 
    // from the beginning
    name = line;
    // skip spaces
    while( isspace( * name )) ++ name;
    // remember the name start
    value = name;
    // skip the name
    while( isalnum( * value ) || ( * value == '_' )){
        // make uppercase
//      * value = toupper( * value );
        ++ value;
    }
    if( * value == '=' ){
        // terminate the name
        * value = '\0';
    }else{
        // terminate the name
        * value = '\0';
        // skip until '='
        ++ value;
        while(( * value ) && ( * value != '=' )) ++ value;
        // not found?
        if( * value != '=' ) return EINVAL;
    }
    ++ value;
    // skip spaces
    while( isspace( * value )) ++ value;
    // create a bulk measured string till the end
    setting = measured_string_create_bulk( value, -1 );
    if( ! setting ) return ENOMEM;
    // add the configuration setting
    if( ERROR_OCCURRED( measured_strings_add( configuration, name, 0, setting ))){
        free( setting );
        return ERROR_CODE;
    }
    return EOK;
}
*/
 
int add_configuration( measured_strings_ref configuration, const char * name, const char * value ){
    ERROR_DECLARE;
 
    measured_string_ref setting;
 
    setting = measured_string_create_bulk( value, 0 );
    if( ! setting ) return ENOMEM;
    // add the configuration setting
    if( ERROR_OCCURRED( measured_strings_add( configuration, name, 0, setting ))){
        free( setting );
        return ERROR_CODE;
    }
    return EOK;
}
 
device_id_t generate_new_device_id( void ){
    return netifs_count( & networking_globals.netifs ) + 1;
}
 
int read_configuration( void ){
    ERROR_DECLARE;
 
    netif_ref       netif;
    measured_string_ref setting;
    services_t      internet_service;
    int         index;
 
    // read general configuration
    ERROR_PROPAGATE( add_configuration( & networking_globals.configuration, "IPV", "4" ));
 
    // read network interfaces configuration
 
    // static loopback initialization
//  printf( "\nloopback initialization" );
    netif = ( netif_ref ) malloc( sizeof( netif_t ));
    if( ! netif ) return ENOMEM;
    netif->id = generate_new_device_id();
    ERROR_PROPAGATE( measured_strings_initialize( & netif->configuration ));
    if( ERROR_OCCURRED( add_configuration( & netif->configuration, "NAME", LO_NAME ))
    || ERROR_OCCURRED( add_configuration( & netif->configuration, "NETIF", LO_NAME ))
    || ERROR_OCCURRED( add_configuration( & netif->configuration, "IL", IP_NAME ))
    || ERROR_OCCURRED( add_configuration( & netif->configuration, "MTU", "1500" ))
    || ERROR_OCCURRED( add_configuration( & netif->configuration, "IP_CONFIG", "STATIC" ))
    || ERROR_OCCURRED( add_configuration( & netif->configuration, "IP_ADDR", "127.0.0.1" ))
    || ERROR_OCCURRED( add_configuration( & netif->configuration, "NETMASK", "255.0.0.0" ))){
        measured_strings_destroy( & netif->configuration );
        free( netif );
        return ERROR_CODE;
    }
    // mandatory name
//  printf( "\n\tname" );
    setting = measured_strings_find( & netif->configuration, "NAME", 0 );
    if( ! setting ){
        measured_strings_destroy( & netif->configuration );
        free( netif );
        return EINVAL;
    }
    netif->name = setting->value;
//  printf( " %s OK", netif->name );
    // mandatory netif
//  printf( "\n\tnetif" );
    setting = measured_strings_find( & netif->configuration, "NETIF", 0 );
    if( ! setting ){
//      printf( " unknown" );
        measured_strings_destroy( & netif->configuration );
        free( netif );
        return EINVAL;
    }
//  printf( " find %s in %d?", setting->value, modules_count( & networking_globals.modules ));
    netif->driver = modules_find( & networking_globals.modules, setting->value, 0 );
    if( ! netif->driver ){
//      printf( " not found" );
        // TODO register the unknown one
        measured_strings_destroy( & netif->configuration );
        free( netif );
        return EINVAL;
    }
//  printf( " found" );
    if( ! netif->driver->task_id ){
        netif->driver->task_id = spawn( netif->driver->filename );
        if( ! netif->driver->task_id ){
            measured_strings_destroy( & netif->configuration );
            free( netif );
            return EINVAL;
        }
    }
//  printf( " OK" );
    // optional link layer
//  printf( "\n\tlink layer" );
    setting = measured_strings_find( & netif->configuration, "NIL", 0 );
    if( setting ){
        netif->nil = modules_find( & networking_globals.modules, setting->value, 0 );
        if( ! netif->nil ){
            // TODO register the unknown one
            -- netif->driver->usage;
            measured_strings_destroy( & netif->configuration );
            free( netif );
            return EINVAL;
        }
        if( ! netif->nil->task_id ){
            netif->nil->task_id = spawn( netif->nil->filename );
            if( ! netif->nil->task_id ){
                -- netif->driver->usage;
                measured_strings_destroy( & netif->configuration );
                free( netif );
                return EINVAL;
            }
        }
    }else{
        netif->nil = NULL;
    }
    // mandatory internet layer
//  printf( "\n\tinternet layer" );
    setting = measured_strings_find( & netif->configuration, "IL", 0 );
    if( ! setting ){
        -- netif->driver->usage;
        -- netif->nil->usage;
        measured_strings_destroy( & netif->configuration );
        free( netif );
        return EINVAL;
    }
//  printf( " set %s", setting->value );
    netif->il = modules_find( & networking_globals.modules, setting->value, 0 );
    if( ! netif->il ){
        // TODO register the unknown one
        -- netif->driver->usage;
        -- netif->nil->usage;
        measured_strings_destroy( & netif->configuration );
        free( netif );
        return EINVAL;
    }
//  printf( " found" );
    if( ! netif->il->task_id ){
        netif->il->task_id = spawn( netif->il->filename );
        if( ! netif->il->task_id ){
            -- netif->driver->usage;
            -- netif->nil->usage;
            measured_strings_destroy( & netif->configuration );
            free( netif );
            return EINVAL;
        }
    }
    index = netifs_add( & networking_globals.netifs, netif->id, netif );
    if( index < 0 ){
        free( netif );
        return ERROR_CODE;
    }
    if( ERROR_OCCURRED( char_map_add( & networking_globals.netif_names, netif->name, 0, index ))){
        netifs_exclude_index( & networking_globals.netifs, index );
        return ERROR_CODE;
    }
//  printf( "\nloopback OK" );
    // end of the static loopback initialization
    // startup the loopback interface
    if( ! netif->driver->phone ){
//      printf( " connect?" );
        netif->driver->phone = connect_to_service( netif->driver->service );
    }
//  printf( " connected" );
    // TODO io, irq
    ERROR_PROPAGATE( async_req_3_0( netif->driver->phone, NET_NETIF_PROBE, netif->id, 0, 0 ));
    ++ netif->driver->usage;
    if( netif->nil ){
        if( ! netif->nil->phone ){
            netif->nil->phone = connect_to_service( netif->nil->service );
        }
        ERROR_PROPAGATE( async_req_2_0( netif->nil->phone, NET_NIL_DEVICE, netif->id, netif->driver->service ));
        ++ netif->nil->usage;
        internet_service = netif->nil->service;
//      printf( " OK" );
    }else{
        internet_service = netif->driver->service;
//      printf( " none" );
    }
    if( ! netif->il->phone ){
//      printf( " connect" );
        netif->il->phone = connect_to_service( netif->il->service );
    }
    // TODO IL_BUNDLE
    ERROR_PROPAGATE( async_req_2_0( netif->il->phone, NET_IL_DEVICE, netif->id, internet_service ));
    ++ netif->il->usage;
    // TODO startup?
    ERROR_PROPAGATE( async_req_1_0( netif->driver->phone, NET_NETIF_START, netif->id ));
//  printf( "\n LO OK" );
    return EOK;
}
 
task_id_t spawn( const char * fname ){
    const char  * argv[ 2 ];
    task_id_t   res;
 
//  printf( "Spawning %s\n", fname );
    argv[ 0 ] = fname;
    argv[ 1 ] = NULL;
    res = task_spawn( fname, argv );
    if( res != 0 ){
        /* Success */
        usleep( 50000 );
    }
    return res;
}
 
int startup( void ){
    ERROR_DECLARE;
 
    // read configuration files
    if( ERROR_OCCURRED( read_configuration())) return ERROR_CODE;
 
    // start network interfaces and needed modules
//  start_device( "/sbin/lo", "/sbin/dummy_link_layer" );
    return EOK;
}
 
/** @}
 */
 

Rev 3901	Rev 3912
1	/*	1	/*
2	* Copyright (c) 2008 Lukas Mejdrech	2	* Copyright (c) 2009 Lukas Mejdrech
3	* All rights reserved.	3	* All rights reserved.
4	*	4	*
5	* Redistribution and use in source and binary forms, with or without	5	* Redistribution and use in source and binary forms, with or without
6	* modification, are permitted provided that the following conditions	6	* modification, are permitted provided that the following conditions
7	* are met:	7	* are met:
8	*	8	*
9	* - Redistributions of source code must retain the above copyright	9	* - Redistributions of source code must retain the above copyright
10	* notice, this list of conditions and the following disclaimer.	10	* notice, this list of conditions and the following disclaimer.
11	* - Redistributions in binary form must reproduce the above copyright	11	* - Redistributions in binary form must reproduce the above copyright
12	* notice, this list of conditions and the following disclaimer in the	12	* notice, this list of conditions and the following disclaimer in the
13	* documentation and/or other materials provided with the distribution.	13	* documentation and/or other materials provided with the distribution.
14	* - The name of the author may not be used to endorse or promote products	14	* - The name of the author may not be used to endorse or promote products
15	* derived from this software without specific prior written permission.	15	* derived from this software without specific prior written permission.
16	*	16	*
17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES	18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF	25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27	*/	27	*/
28		28
29	/** @addtogroup net	29	/** @addtogroup net
30	* @{	30	* @{
31	*/	31	*/
32		32
33	/** @file	33	/** @file
34	*/	34	*/
35		35
36	#include <async.h>	36	#include <async.h>
37	#include <ctype.h>	37	#include <ctype.h>
38	#include <errno.h>	38	#include <errno.h>
39	#include <malloc.h>	39	#include <malloc.h>
40	#include <stdio.h>	40	#include <stdio.h>
41	#include <task.h>	41	#include <task.h>
42	#include <unistd.h>	42	#include <unistd.h>
43		43
44	#include <ipc/ipc.h>	44	#include <ipc/ipc.h>
45	#include <ipc/services.h>	45	#include <ipc/services.h>
46		46
47	#include "../err.h"	47	#include "../err.h"
48	#include "../messages.h"	48	#include "../messages.h"
49	#include "../modules.h"	49	#include "../modules.h"
50	//#include "../self_test.h"	50	//#include "../self_test.h"
51		51
52	#include "../structures/char_map.h"	52	#include "../structures/char_map.h"
53	#include "../structures/generic_char_map.h"	53	#include "../structures/generic_char_map.h"
54	#include "../structures/measured_strings.h"	54	#include "../structures/measured_strings.h"
55	#include "../structures/packet/packet.h"	55	#include "../structures/packet/packet.h"
56	#include "../structures/packet/packet_server.h"	56	#include "../structures/packet/packet_server.h"
57		57
58	#include "../il/ip/ip_messages.h"	58	#include "../il/ip/ip_messages.h"
59	#include "../netif/device.h"	59	#include "../netif/device.h"
60		60
61	#if IP_BUNDLE	61	#if IP_BUNDLE
62		62
63	#include "../ip/ip_module.h"	63	#include "../ip/ip_module.h"
64		64
65	#endif	65	#endif
66		66
67	#if TCP_BUNDLE	67	#if TCP_BUNDLE
68		68
69	#include "../tcp/tcp_module.h"	69	#include "../tcp/tcp_module.h"
70		70
71	#endif	71	#endif
72		72
73	#define NAME "Networking"	73	#define NAME "Networking"
74		74
75	#define LO_NAME "lo"	75	#define LO_NAME "lo"
76	#define LO_FILENAME "/sbin/lo"	76	#define LO_FILENAME "/sbin/lo"
77	#define DP8390_ISA_NAME "dp8390_isa"	77	#define DP8390_ISA_NAME "dp8390_isa"
78	#define DP8390_ISA_FILENAME "/sbin/dp8380_isa"	78	#define DP8390_ISA_FILENAME "/sbin/dp8380_isa"
79	#define ETHERNET_NAME "ethernet"	79	#define ETHERNET_NAME "ethernet"
80	#define ETHERNET_FILENAME "/sbin/ethernet"	80	#define ETHERNET_FILENAME "/sbin/ethernet"
81	#define IP_NAME "ip"	81	#define IP_NAME "ip"
82	#define IP_FILENAME "/sbin/ip"	82	#define IP_FILENAME "/sbin/ip"
83		83
84	#define IPC_GET_DEVICE( call ) ( device_id_t ) IPC_GET_ARG1( * call )	84	#define IPC_GET_DEVICE( call ) ( device_id_t ) IPC_GET_ARG1( * call )
85	#define IPC_GET_COUNT( call ) ( int ) IPC_GET_ARG2( * call )	85	#define IPC_GET_COUNT( call ) ( int ) IPC_GET_ARG2( * call )
86		86
87	typedef struct module_struct module_t;	87	typedef struct module_struct module_t;
88	typedef module_t * module_ref;	88	typedef module_t * module_ref;
89		89
90	typedef struct netif netif_t;	90	typedef struct netif netif_t;
91	typedef netif_t * netif_ref;	91	typedef netif_t * netif_ref;
92		92
93	typedef struct networking_globals networking_globals_t;	93	typedef struct networking_globals networking_globals_t;
94		94
95	DEVICE_MAP_DECLARE( netifs, netif_t )	95	DEVICE_MAP_DECLARE( netifs, netif_t )
96		96
97	GENERIC_CHAR_MAP_DECLARE( measured_strings, measured_string_t )	97	GENERIC_CHAR_MAP_DECLARE( measured_strings, measured_string_t )
98		98
99	GENERIC_CHAR_MAP_DECLARE( modules, module_t )	99	GENERIC_CHAR_MAP_DECLARE( modules, module_t )
100		100
101	struct module_struct{	101	struct module_struct{
102	task_id_t task_id;	102	task_id_t task_id;
103	services_t service;	103	services_t service;
104	int phone;	104	int phone;
105	int usage;	105	int usage;
106	const char * name;	106	const char * name;
107	const char * filename;	107	const char * filename;
108	};	108	};
109		109
110	/** A present network interface device.	110	/** A present network interface device.
111	*/	111	*/
112	struct netif{	112	struct netif{
113	/** A system-unique network interface identifier.	113	/** A system-unique network interface identifier.
114	*/	114	*/
115	device_id_t id;	115	device_id_t id;
116	/** A serving network interface driver module index.	116	/** A serving network interface driver module index.
117	*/	117	*/
118	module_ref driver;	118	module_ref driver;
119	/** A serving link layer module index.	119	/** A serving link layer module index.
120	*/	120	*/
121	module_ref nil;	121	module_ref nil;
122	/** A serving internet layer module index.	122	/** A serving internet layer module index.
123	*/	123	*/
124	module_ref il;	124	module_ref il;
125	/** A system-unique network interface name.	125	/** A system-unique network interface name.
126	*/	126	*/
127	char * name;	127	char * name;
128	/** Configuration.	128	/** Configuration.
129	*/	129	*/
130	measured_strings_t configuration;	130	measured_strings_t configuration;
131	};	131	};
132		132
133	/** A networking module global variables.	133	/** A networking module global variables.
134	*/	134	*/
135	struct networking_globals{	135	struct networking_globals{
136	/** Present network interfaces.	136	/** Present network interfaces.
137	*/	137	*/
138	netifs_t netifs;	138	netifs_t netifs;
139	/** Network interface structure indices by names.	139	/** Network interface structure indices by names.
140	*/	140	*/
141	char_map_t netif_names;	141	char_map_t netif_names;
142	/** Available modules.	142	/** Available modules.
143	*/	143	*/
144	modules_t modules;	144	modules_t modules;
145	/** Global configuration.	145	/** Global configuration.
146	*/	146	*/
147	measured_strings_t configuration;	147	measured_strings_t configuration;
148	};	148	};
149		149
150	void networking_print_name( void );	150	void networking_print_name( void );
151	int add_module( module_ref * module, modules_ref modules, const char const * name, const char const * filename, services_t service, task_id_t task_id );	151	int add_module( module_ref * module, modules_ref modules, const char const * name, const char const * filename, services_t service, task_id_t task_id );
152	static void client_connection( ipc_callid_t iid, ipc_call_t * icall );	152	static void client_connection( ipc_callid_t iid, ipc_call_t * icall );
153	measured_string_ref configuration_find( measured_strings_ref configuration, const char * name );	153	measured_string_ref configuration_find( measured_strings_ref configuration, const char * name );
154	int networking_start_module( async_client_conn_t client_connection );	154	int networking_start_module( async_client_conn_t client_connection );
155	int networking_initialize( void );	155	int networking_initialize( void );
156	int networking_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count );	156	int networking_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count );
157	int net_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count );	157	int net_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count );
158	//int parse_line( measured_strings_ref configuration, char * line );	158	//int parse_line( measured_strings_ref configuration, char * line );
159	int add_configuration( measured_strings_ref configuration, const char * name, const char * value );	159	int add_configuration( measured_strings_ref configuration, const char * name, const char * value );
160	int read_configuration( void );	160	int read_configuration( void );
161	task_id_t spawn( const char * fname );	161	task_id_t spawn( const char * fname );
162	int startup( void );	162	int startup( void );
163	device_id_t generate_new_device_id( void );	163	device_id_t generate_new_device_id( void );
164		164
165	static networking_globals_t networking_globals;	165	static networking_globals_t networking_globals;
166		166
167	DEVICE_MAP_IMPLEMENT( netifs, netif_t )	167	DEVICE_MAP_IMPLEMENT( netifs, netif_t )
168		168
169	GENERIC_CHAR_MAP_IMPLEMENT( measured_strings, measured_string_t )	169	GENERIC_CHAR_MAP_IMPLEMENT( measured_strings, measured_string_t )
170		170
171	GENERIC_CHAR_MAP_IMPLEMENT( modules, module_t )	171	GENERIC_CHAR_MAP_IMPLEMENT( modules, module_t )
172		172
173	void networking_print_name( void ){	173	void networking_print_name( void ){
174	printf( NAME );	174	printf( NAME );
175	}	175	}
176		176
177	int add_module( module_ref * module, modules_ref modules, const char * name, const char * filename, services_t service, task_id_t task_id ){	177	int add_module( module_ref * module, modules_ref modules, const char * name, const char * filename, services_t service, task_id_t task_id ){
178	ERROR_DECLARE;	178	ERROR_DECLARE;
179		179
180	module_ref tmp_module;	180	module_ref tmp_module;
181		181
182	tmp_module = ( module_ref ) malloc( sizeof( module_t ));	182	tmp_module = ( module_ref ) malloc( sizeof( module_t ));
183	if( ! tmp_module ) return ENOMEM;	183	if( ! tmp_module ) return ENOMEM;
184	tmp_module->task_id = task_id;	184	tmp_module->task_id = task_id;
185	tmp_module->phone = 0;	185	tmp_module->phone = 0;
186	tmp_module->usage = 0;	186	tmp_module->usage = 0;
187	tmp_module->name = name;	187	tmp_module->name = name;
188	tmp_module->filename = filename;	188	tmp_module->filename = filename;
189	tmp_module->service = service;	189	tmp_module->service = service;
190	if( ERROR_OCCURED( modules_add( modules, tmp_module->name, 0, tmp_module ))){	190	if( ERROR_OCCURRED( modules_add( modules, tmp_module->name, 0, tmp_module ))){
191	free( tmp_module );	191	free( tmp_module );
192	return ERROR_CODE;	192	return ERROR_CODE;
193	}	193	}
194	if( module ) * module = tmp_module;	194	if( module ) * module = tmp_module;
195	return EOK;	195	return EOK;
196	}	196	}
197		197
198	int networking_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){	198	int networking_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){
199	#ifdef NETWORKING_module	199	#ifdef NETWORKING_module
200	//TODO map to *_message	200	//TODO map to *_message
201	if( IS_NET_IL_MESSAGE( call ) \|\| IS_NET_IP_MESSAGE( call )){	201	if( IS_NET_IL_MESSAGE( call ) \|\| IS_NET_IP_MESSAGE( call )){
202	return ip_message( callid, call, answer, answer_count );	202	return ip_message( callid, call, answer, answer_count );
203	/* }else if( IS_NET_ARP_MESSAGE( call )){	203	/* }else if( IS_NET_ARP_MESSAGE( call )){
204	return arp_message( callid, call, answer, answer_count );	204	return arp_message( callid, call, answer, answer_count );
205	// }else if( IS_NET_RARP_MESSAGE( call )){	205	// }else if( IS_NET_RARP_MESSAGE( call )){
206	return rarp_message( callid, call, answer, answer_count );	206	return rarp_message( callid, call, answer, answer_count );
207	// }else if( IS_NET_ICMP_MESSAGE( call )){	207	// }else if( IS_NET_ICMP_MESSAGE( call )){
208	return icmp_message( callid, call, answer, answer_count );	208	return icmp_message( callid, call, answer, answer_count );
209	// }else if( IS_NET_UDP_MESSAGE( call )){	209	// }else if( IS_NET_UDP_MESSAGE( call )){
210	return udp_message( callid, call, answer, answer_count );	210	return udp_message( callid, call, answer, answer_count );
211	*/ }else if( IS_NET_TCP_MESSAGE( call )){	211	*/ }else if( IS_NET_TCP_MESSAGE( call )){
212	return tcp_message( callid, call, answer, answer_count );	212	return tcp_message( callid, call, answer, answer_count );
213	/* }else if( IS_NET_SOCKET_MESSAGE( call )){	213	/* }else if( IS_NET_SOCKET_MESSAGE( call )){
214	return socket_message( callid, call, answer, answer_count );	214	return socket_message( callid, call, answer, answer_count );
215	// }else if( IS_NET_NIL_MESSAGE( call ) \|\| IS_NET_ETHERNET_MESSAGE( call )){	215	// }else if( IS_NET_NIL_MESSAGE( call ) \|\| IS_NET_ETHERNET_MESSAGE( call )){
216	return ethernet_message( callid, call, answer, answer_count );	216	return ethernet_message( callid, call, answer, answer_count );
217	*/ }else{	217	*/ }else{
218	#endif	218	#endif
219	if( IS_NET_PACKET_MESSAGE( call )){	219	if( IS_NET_PACKET_MESSAGE( call )){
220	return packet_server_message( callid, call, answer, answer_count );	220	return packet_server_message( callid, call, answer, answer_count );
221	}else{	221	}else{
222	return net_message( callid, call, answer, answer_count );	222	return net_message( callid, call, answer, answer_count );
223	}	223	}
224	#ifdef NETWORKING_module	224	#ifdef NETWORKING_module
225	}	225	}
226	#endif	226	#endif
227	}	227	}
228		228
229	int networking_start_module( async_client_conn_t client_connection ){	229	int networking_start_module( async_client_conn_t client_connection ){
230	ERROR_DECLARE;	230	ERROR_DECLARE;
231		231
232	ipcarg_t phonehash;	232	ipcarg_t phonehash;
233		233
234	async_set_client_connection( client_connection );	234	async_set_client_connection( client_connection );
235	ERROR_PROPAGATE( networking_initialize());	235	ERROR_PROPAGATE( networking_initialize());
236	ERROR_PROPAGATE( REGISTER_ME( SERVICE_NETWORKING, & phonehash ));	236	ERROR_PROPAGATE( REGISTER_ME( SERVICE_NETWORKING, & phonehash ));
237	ERROR_PROPAGATE( pm_init());	237	ERROR_PROPAGATE( pm_init());
238	async_manager();	238	async_manager();
239		239
240	return EOK;	240	return EOK;
241	}	241	}
242		242
243	int networking_initialize( void ){	243	int networking_initialize( void ){
244	ERROR_DECLARE;	244	ERROR_DECLARE;
245		245
246	task_id_t task_id;	246	task_id_t task_id;
247		247
248	netifs_initialize( & networking_globals.netifs );	248	netifs_initialize( & networking_globals.netifs );
249	char_map_initialize( & networking_globals.netif_names );	249	char_map_initialize( & networking_globals.netif_names );
250	modules_initialize( & networking_globals.modules );	250	modules_initialize( & networking_globals.modules );
251	measured_strings_initialize( & networking_globals.configuration );	251	measured_strings_initialize( & networking_globals.configuration );
252		252
253	// run self tests	253	// run self tests
254	// ERROR_PROPAGATE( self_test());	254	// ERROR_PROPAGATE( self_test());
255		255
256	ERROR_PROPAGATE( add_module( NULL, & networking_globals.modules, LO_NAME, LO_FILENAME, SERVICE_LO, 0 ));	256	ERROR_PROPAGATE( add_module( NULL, & networking_globals.modules, LO_NAME, LO_FILENAME, SERVICE_LO, 0 ));
257	ERROR_PROPAGATE( add_module( NULL, & networking_globals.modules, DP8390_ISA_NAME, DP8390_ISA_FILENAME, SERVICE_DP8390_ISA, 0 ));	257	ERROR_PROPAGATE( add_module( NULL, & networking_globals.modules, DP8390_ISA_NAME, DP8390_ISA_FILENAME, SERVICE_DP8390_ISA, 0 ));
258	ERROR_PROPAGATE( add_module( NULL, & networking_globals.modules, ETHERNET_NAME, ETHERNET_FILENAME, SERVICE_ETHERNET, 0 ));	258	ERROR_PROPAGATE( add_module( NULL, & networking_globals.modules, ETHERNET_NAME, ETHERNET_FILENAME, SERVICE_ETHERNET, 0 ));
259		259
260	#ifdef NETWORKING_modular	260	#ifdef NETWORKING_modular
261	task_id = spawn( "/sbin/ip" );	261	task_id = spawn( "/sbin/ip" );
262	if( ! task_id ) return EINVAL;	262	if( ! task_id ) return EINVAL;
263	ERROR_PROPAGATE( add_module( NULL, & networking_globals.modules, IP_NAME, IP_FILENAME, SERVICE_IP, task_id ));	263	ERROR_PROPAGATE( add_module( NULL, & networking_globals.modules, IP_NAME, IP_FILENAME, SERVICE_IP, task_id ));
264	// if( ! spawn( "/sbin/udp" )) return EINVAL;	264	// if( ! spawn( "/sbin/udp" )) return EINVAL;
265	if( ! spawn( "/sbin/tcp" )) return EINVAL;	265	if( ! spawn( "/sbin/tcp" )) return EINVAL;
266	// if( ! spawn( "/sbin/socket" )) return EINVAL;	266	// if( ! spawn( "/sbin/socket" )) return EINVAL;
267	// not always necesssary	267	// not always necesssary
268	// if( ! spawn( "/sbin/arp" )) return EINVAL;	268	// if( ! spawn( "/sbin/arp" )) return EINVAL;
269	// if( ! spawn( "/sbin/rarp" )) return EINVAL;	269	// if( ! spawn( "/sbin/rarp" )) return EINVAL;
270	// if( ! spawn( "/sbin/icmp" )) return EINVAL;	270	// if( ! spawn( "/sbin/icmp" )) return EINVAL;
271		271
272	#else	272	#else
273	#ifdef NETWORKING_module	273	#ifdef NETWORKING_module
274	ipcarg_t phonehash;	274	ipcarg_t phonehash;
275		275
276	ERROR_PROPAGATE( REGISTER_ME( SERVICE_IP, & phonehash ));	276	ERROR_PROPAGATE( REGISTER_ME( SERVICE_IP, & phonehash ));
277	ERROR_PROPAGATE( add_module( NULL, & networking_globals.modules, IP_NAME, IP_FILENAME, SERVICE_IP, task_get_id()));	277	ERROR_PROPAGATE( add_module( NULL, & networking_globals.modules, IP_NAME, IP_FILENAME, SERVICE_IP, task_get_id()));
278	ERROR_PROPAGATE( ip_initialize());	278	ERROR_PROPAGATE( ip_initialize());
279	// ERROR_PROPAGATE( REGISTER_ME( SERVICE_ARP, & phonehash ));	279	// ERROR_PROPAGATE( REGISTER_ME( SERVICE_ARP, & phonehash ));
280	// ERROR_PROPAGATE( arp_initialize());	280	// ERROR_PROPAGATE( arp_initialize());
281	// ERROR_PROPAGATE( REGISTER_ME( SERVICE_RARP, & phonehash ));	281	// ERROR_PROPAGATE( REGISTER_ME( SERVICE_RARP, & phonehash ));
282	// ERROR_PROPAGATE( rarp_initialize());	282	// ERROR_PROPAGATE( rarp_initialize());
283	// ERROR_PROPAGATE( REGISTER_ME( SERVICE_ICMP, & phonehash ));	283	// ERROR_PROPAGATE( REGISTER_ME( SERVICE_ICMP, & phonehash ));
284	// ERROR_PROPAGATE( icmp_initialize());	284	// ERROR_PROPAGATE( icmp_initialize());
285	// ERROR_PROPAGATE( REGISTER_ME( SERVICE_UDP, & phonehash ));	285	// ERROR_PROPAGATE( REGISTER_ME( SERVICE_UDP, & phonehash ));
286	// ERROR_PROPAGATE( udp_initialize());	286	// ERROR_PROPAGATE( udp_initialize());
287	ERROR_PROPAGATE( REGISTER_ME( SERVICE_TCP, & phonehash ));	287	ERROR_PROPAGATE( REGISTER_ME( SERVICE_TCP, & phonehash ));
288	ERROR_PROPAGATE( tcp_initialize());	288	ERROR_PROPAGATE( tcp_initialize());
289	// ERROR_PROPAGATE( REGISTER_ME( SERVICE_SOCKET, & phonehash ));	289	// ERROR_PROPAGATE( REGISTER_ME( SERVICE_SOCKET, & phonehash ));
290	// ERROR_PROPAGATE( socket_initialize());	290	// ERROR_PROPAGATE( socket_initialize());
291	// ERROR_PROPAGATE( REGISTER_ME( SERVICE_ETHERNET, & phonehash ));	291	// ERROR_PROPAGATE( REGISTER_ME( SERVICE_ETHERNET, & phonehash ));
292	// ERROR_PROPAGATE( ethernet_initialize());	292	// ERROR_PROPAGATE( ethernet_initialize());
293	#endif	293	#endif
294	#endif	294	#endif
295		295
296	return EOK;	296	return EOK;
297	}	297	}
298		298
299	//TODO as ip.c	299	//TODO as ip.c
300	int net_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){	300	int net_message( ipc_callid_t callid, ipc_call_t * call, ipc_call_t * answer, int * answer_count ){
301	ERROR_DECLARE;	301	ERROR_DECLARE;
302		302
303	measured_string_ref strings;	303	measured_string_ref strings;
304	char * data;	304	char * data;
305	int index;	305	int index;
306	measured_string_ref setting;	306	measured_string_ref setting;
307	measured_strings_ref configuration;	307	measured_strings_ref configuration;
308	netif_ref netif;	308	netif_ref netif;
309		309
310	* answer_count = 0;	310	* answer_count = 0;
311	switch( IPC_GET_METHOD( * call )){	311	switch( IPC_GET_METHOD( * call )){
312	case IPC_M_PHONE_HUNGUP:	312	case IPC_M_PHONE_HUNGUP:
313	return EOK;	313	return EOK;
314	case NET_NET_DEVICE:	314	case NET_NET_DEVICE:
315	// TODO configure, register	315	// TODO configure, register
316	printf( "\nNetworking: new netif %d", IPC_GET_DEVICE( call ));	316	printf( "\nNetworking: new netif %d", IPC_GET_DEVICE( call ));
317	return EOK;	317	return EOK;
318	case NET_NET_GET_DEVICE_CONF:	318	case NET_NET_GET_DEVICE_CONF:
319	ERROR_PROPAGATE( measured_strings_receive( & strings, & data, IPC_GET_COUNT( call )));	319	ERROR_PROPAGATE( measured_strings_receive( & strings, & data, IPC_GET_COUNT( call )));
320	netif = netifs_find( & networking_globals.netifs, IPC_GET_DEVICE( call ));	320	netif = netifs_find( & networking_globals.netifs, IPC_GET_DEVICE( call ));
321	if( netif ){	321	if( netif ){
322	configuration = & netif->configuration;	322	configuration = & netif->configuration;
323	}else{	323	}else{
324	configuration = NULL;	324	configuration = NULL;
325	}	325	}
326	for( index = 0; index < IPC_GET_COUNT( call ); ++ index ){	326	for( index = 0; index < IPC_GET_COUNT( call ); ++ index ){
327	setting = measured_strings_find( configuration, strings[ index ].value, 0 );	327	setting = measured_strings_find( configuration, strings[ index ].value, 0 );
328	if( ! setting ){	328	if( ! setting ){
329	setting = measured_strings_find( & networking_globals.configuration, strings[ index ].value, 0 );	329	setting = measured_strings_find( & networking_globals.configuration, strings[ index ].value, 0 );
330	}	330	}
331	if( setting ){	331	if( setting ){
332	strings[ index ].length = setting->length;	332	strings[ index ].length = setting->length;
333	strings[ index ].value = setting->value;	333	strings[ index ].value = setting->value;
334	}else{	334	}else{
335	strings[ index ].length = 0;	335	strings[ index ].length = 0;
336	strings[ index ].value = NULL;	336	strings[ index ].value = NULL;
337	}	337	}
338	}	338	}
339	// strings should not contain received data anymore	339	// strings should not contain received data anymore
340	free( data );	340	free( data );
341	ERROR_CODE = measured_strings_reply( strings, IPC_GET_COUNT( call ));	341	ERROR_CODE = measured_strings_reply( strings, IPC_GET_COUNT( call ));
342	free( strings );	342	free( strings );
343	return ERROR_CODE;	343	return ERROR_CODE;
344	case NET_NET_GET_CONF:	344	case NET_NET_GET_CONF:
345	// arg1 = count	345	// arg1 = count
346	ERROR_PROPAGATE( measured_strings_receive( & strings, & data, IPC_GET_COUNT( call )));	346	ERROR_PROPAGATE( measured_strings_receive( & strings, & data, IPC_GET_COUNT( call )));
347	for( index = 0; index < IPC_GET_COUNT( call ); ++ index ){	347	for( index = 0; index < IPC_GET_COUNT( call ); ++ index ){
348	setting = measured_strings_find( & networking_globals.configuration, strings[ index ].value, 0 );	348	setting = measured_strings_find( & networking_globals.configuration, strings[ index ].value, 0 );
349	if( setting ){	349	if( setting ){
350	strings[ index ].length = setting->length;	350	strings[ index ].length = setting->length;
351	strings[ index ].value = setting->value;	351	strings[ index ].value = setting->value;
352	}else{	352	}else{
353	strings[ index ].length = 0;	353	strings[ index ].length = 0;
354	strings[ index ].value = NULL;	354	strings[ index ].value = NULL;
355	}	355	}
356	}	356	}
357	// strings should not contain received data anymore	357	// strings should not contain received data anymore
358	free( data );	358	free( data );
359	ERROR_CODE = measured_strings_reply( strings, IPC_GET_COUNT( call ));	359	ERROR_CODE = measured_strings_reply( strings, IPC_GET_COUNT( call ));
360	free( strings );	360	free( strings );
361	return ERROR_CODE;	361	return ERROR_CODE;
362	case NET_NET_STARTUP:	362	case NET_NET_STARTUP:
363	return startup();	363	return startup();
364	}	364	}
365	return ENOTSUP;	365	return ENOTSUP;
366	}	366	}
367		367
368	/*	368	/*
369	int parse_line( measured_strings_ref configuration, char * line ){	369	int parse_line( measured_strings_ref configuration, char * line ){
370	ERROR_DECLARE;	370	ERROR_DECLARE;
371		371
372	measured_string_ref setting;	372	measured_string_ref setting;
373	char * name;	373	char * name;
374	char * value;	374	char * value;
375		375
376	// from the beginning	376	// from the beginning
377	name = line;	377	name = line;
378	// skip spaces	378	// skip spaces
379	while( isspace( * name )) ++ name;	379	while( isspace( * name )) ++ name;
380	// remember the name start	380	// remember the name start
381	value = name;	381	value = name;
382	// skip the name	382	// skip the name
383	while( isalnum( * value ) \|\| ( * value == '_' )){	383	while( isalnum( * value ) \|\| ( * value == '_' )){
384	// make uppercase	384	// make uppercase
385	// * value = toupper( * value );	385	// * value = toupper( * value );
386	++ value;	386	++ value;
387	}	387	}
388	if( * value == '=' ){	388	if( * value == '=' ){
389	// terminate the name	389	// terminate the name
390	* value = '\0';	390	* value = '\0';
391	}else{	391	}else{
392	// terminate the name	392	// terminate the name
393	* value = '\0';	393	* value = '\0';
394	// skip until '='	394	// skip until '='
395	++ value;	395	++ value;
396	while(( * value ) && ( * value != '=' )) ++ value;	396	while(( * value ) && ( * value != '=' )) ++ value;
397	// not found?	397	// not found?
398	if( * value != '=' ) return EINVAL;	398	if( * value != '=' ) return EINVAL;
399	}	399	}
400	++ value;	400	++ value;
401	// skip spaces	401	// skip spaces
402	while( isspace( * value )) ++ value;	402	while( isspace( * value )) ++ value;
403	// create a bulk measured string till the end	403	// create a bulk measured string till the end
404	setting = measured_string_create_bulk( value, -1 );	404	setting = measured_string_create_bulk( value, -1 );
405	if( ! setting ) return ENOMEM;	405	if( ! setting ) return ENOMEM;
406	// add the configuration setting	406	// add the configuration setting
407	if( ERROR_OCCURED( measured_strings_add( configuration, name, 0, setting ))){	407	if( ERROR_OCCURRED( measured_strings_add( configuration, name, 0, setting ))){
408	free( setting );	408	free( setting );
409	return ERROR_CODE;	409	return ERROR_CODE;
410	}	410	}
411	return EOK;	411	return EOK;
412	}	412	}
413	*/	413	*/
414		414
415	int add_configuration( measured_strings_ref configuration, const char * name, const char * value ){	415	int add_configuration( measured_strings_ref configuration, const char * name, const char * value ){
416	ERROR_DECLARE;	416	ERROR_DECLARE;
417		417
418	measured_string_ref setting;	418	measured_string_ref setting;
419		419
420	setting = measured_string_create_bulk( value, 0 );	420	setting = measured_string_create_bulk( value, 0 );
421	if( ! setting ) return ENOMEM;	421	if( ! setting ) return ENOMEM;
422	// add the configuration setting	422	// add the configuration setting
423	if( ERROR_OCCURED( measured_strings_add( configuration, name, 0, setting ))){	423	if( ERROR_OCCURRED( measured_strings_add( configuration, name, 0, setting ))){
424	free( setting );	424	free( setting );
425	return ERROR_CODE;	425	return ERROR_CODE;
426	}	426	}
427	return EOK;	427	return EOK;
428	}	428	}
429		429
430	device_id_t generate_new_device_id( void ){	430	device_id_t generate_new_device_id( void ){
431	return netifs_count( & networking_globals.netifs ) + 1;	431	return netifs_count( & networking_globals.netifs ) + 1;
432	}	432	}
433		433
434	int read_configuration( void ){	434	int read_configuration( void ){
435	ERROR_DECLARE;	435	ERROR_DECLARE;
436		436
437	netif_ref netif;	437	netif_ref netif;
438	measured_string_ref setting;	438	measured_string_ref setting;
439	services_t internet_service;	439	services_t internet_service;
440	int index;	440	int index;
441		441
442	// read general configuration	442	// read general configuration
443	ERROR_PROPAGATE( add_configuration( & networking_globals.configuration, "IPV", "4" ));	443	ERROR_PROPAGATE( add_configuration( & networking_globals.configuration, "IPV", "4" ));
444		444
445	// read network interfaces configuration	445	// read network interfaces configuration
446		446
447	// static loopback initialization	447	// static loopback initialization
448	// printf( "\nloopback initialization" );	448	// printf( "\nloopback initialization" );
449	netif = ( netif_ref ) malloc( sizeof( netif_t ));	449	netif = ( netif_ref ) malloc( sizeof( netif_t ));
450	if( ! netif ) return ENOMEM;	450	if( ! netif ) return ENOMEM;
451	netif->id = generate_new_device_id();	451	netif->id = generate_new_device_id();
452	ERROR_PROPAGATE( measured_strings_initialize( & netif->configuration ));	452	ERROR_PROPAGATE( measured_strings_initialize( & netif->configuration ));
453	if( ERROR_OCCURED( add_configuration( & netif->configuration, "NAME", LO_NAME ))	453	if( ERROR_OCCURRED( add_configuration( & netif->configuration, "NAME", LO_NAME ))
454	\|\| ERROR_OCCURED( add_configuration( & netif->configuration, "NETIF", LO_NAME ))	454	\|\| ERROR_OCCURRED( add_configuration( & netif->configuration, "NETIF", LO_NAME ))
455	\|\| ERROR_OCCURED( add_configuration( & netif->configuration, "IL", IP_NAME ))	455	\|\| ERROR_OCCURRED( add_configuration( & netif->configuration, "IL", IP_NAME ))
456	\|\| ERROR_OCCURED( add_configuration( & netif->configuration, "MTU", "1500" ))	456	\|\| ERROR_OCCURRED( add_configuration( & netif->configuration, "MTU", "1500" ))
457	\|\| ERROR_OCCURED( add_configuration( & netif->configuration, "IP_CONFIG", "STATIC" ))	457	\|\| ERROR_OCCURRED( add_configuration( & netif->configuration, "IP_CONFIG", "STATIC" ))
458	\|\| ERROR_OCCURED( add_configuration( & netif->configuration, "IP_ADDR", "127.0.0.1" ))	458	\|\| ERROR_OCCURRED( add_configuration( & netif->configuration, "IP_ADDR", "127.0.0.1" ))
459	\|\| ERROR_OCCURED( add_configuration( & netif->configuration, "NETMASK", "255.0.0.0" ))){	459	\|\| ERROR_OCCURRED( add_configuration( & netif->configuration, "NETMASK", "255.0.0.0" ))){
460	measured_strings_destroy( & netif->configuration );	460	measured_strings_destroy( & netif->configuration );
461	free( netif );	461	free( netif );
462	return ERROR_CODE;	462	return ERROR_CODE;
463	}	463	}
464	// mandatory name	464	// mandatory name
465	// printf( "\n\tname" );	465	// printf( "\n\tname" );
466	setting = measured_strings_find( & netif->configuration, "NAME", 0 );	466	setting = measured_strings_find( & netif->configuration, "NAME", 0 );
467	if( ! setting ){	467	if( ! setting ){
468	measured_strings_destroy( & netif->configuration );	468	measured_strings_destroy( & netif->configuration );
469	free( netif );	469	free( netif );
470	return EINVAL;	470	return EINVAL;
471	}	471	}
472	netif->name = setting->value;	472	netif->name = setting->value;
473	// printf( " %s OK", netif->name );	473	// printf( " %s OK", netif->name );
474	// mandatory netif	474	// mandatory netif
475	// printf( "\n\tnetif" );	475	// printf( "\n\tnetif" );
476	setting = measured_strings_find( & netif->configuration, "NETIF", 0 );	476	setting = measured_strings_find( & netif->configuration, "NETIF", 0 );
477	if( ! setting ){	477	if( ! setting ){
478	// printf( " unknown" );	478	// printf( " unknown" );
479	measured_strings_destroy( & netif->configuration );	479	measured_strings_destroy( & netif->configuration );
480	free( netif );	480	free( netif );
481	return EINVAL;	481	return EINVAL;
482	}	482	}
483	// printf( " find %s in %d?", setting->value, modules_count( & networking_globals.modules ));	483	// printf( " find %s in %d?", setting->value, modules_count( & networking_globals.modules ));
484	netif->driver = modules_find( & networking_globals.modules, setting->value, 0 );	484	netif->driver = modules_find( & networking_globals.modules, setting->value, 0 );
485	if( ! netif->driver ){	485	if( ! netif->driver ){
486	// printf( " not found" );	486	// printf( " not found" );
487	// TODO register the unknown one	487	// TODO register the unknown one
488	measured_strings_destroy( & netif->configuration );	488	measured_strings_destroy( & netif->configuration );
489	free( netif );	489	free( netif );
490	return EINVAL;	490	return EINVAL;
491	}	491	}
492	// printf( " found" );	492	// printf( " found" );
493	if( ! netif->driver->task_id ){	493	if( ! netif->driver->task_id ){
494	netif->driver->task_id = spawn( netif->driver->filename );	494	netif->driver->task_id = spawn( netif->driver->filename );
495	if( ! netif->driver->task_id ){	495	if( ! netif->driver->task_id ){
496	measured_strings_destroy( & netif->configuration );	496	measured_strings_destroy( & netif->configuration );
497	free( netif );	497	free( netif );
498	return EINVAL;	498	return EINVAL;
499	}	499	}
500	}	500	}

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(root)/branches/network/uspace/srv/net/networking/networking.c – Rev 3901 → 3912