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/*

 * 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 nettest

 *  @{

 */

/** @file

 *  Networking test 1 application - sockets.

 */

#include <malloc.h>

#include <stdio.h>

#include <string.h>

#include <task.h>

#include <time.h>

#include "../../include/in.h"

#include "../../include/in6.h"

#include "../../include/inet.h"

#include "../../include/socket.h"

#include "../../err.h"

#include "../parse.h"

#include "../print_error.h"

/** Echo module name.

 */

#define NAME    "Nettest1"

/** Packet data pattern.

 */

#define NETTEST1_TEXT   "Networking test 1 - sockets"

/** Module entry point.

 *  Starts testing.

 *  @param[in] argc The number of command line parameters.

 *  @param[in] argv The command line parameters.

 *  @returns EOK on success.

 */

int     main( int argc, char * argv[] );

/** Prints the application help.

 */

void    print_help( void );

/** Translates the character string to the protocol family number.

 *  @param[in] name The protocol family name.

 *  @returns The corresponding protocol family number.

 *  @returns EPFNOSUPPORTED if the protocol family is not supported.

 */

int     parse_protocol_family( const char * name );

/** Translates the character string to the socket type number.

 *  @param[in] name The socket type name.

 *  @returns The corresponding socket type number.

 *  @returns ESOCKNOSUPPORTED if the socket type is not supported.

 */

int     parse_socket_type( const char * name );

/** Refreshes the data.

 *  Fills the data block with the NETTEST1_TEXT pattern.

 *  @param[out] data The data block.

 *  @param[in] size The data block size in bytes.

 */

void    refresh_data( char * data, size_t size );

/** Creates new sockets.

 *  @param[in] verbose A value indicating whether to print out verbose information.

 *  @param[out] socket_ids A field to store the socket identifiers.

 *  @param[in] sockets The number of sockets to create. Should be at most the size of the field.

 *  @param[in] family The socket address family.

 *  @param[in] type The socket type.

 *  @returns EOK on success.

 *  @returns Other error codes as defined for the socket() function.

 */

int sockets_create( int verbose, int * socket_ids, int sockets, int family, sock_type_t type );

/** Closes sockets.

 *  @param[in] verbose A value indicating whether to print out verbose information.

 *  @param[in] socket_ids A field of stored socket identifiers.

 *  @param[in] sockets The number of sockets in the field. Should be at most the size of the field.

 *  @returns EOK on success.

 *  @returns Other error codes as defined for the closesocket() function.

 */

int sockets_close( int verbose, int * socket_ids, int sockets );

/** Connects sockets.

 *  @param[in] verbose A value indicating whether to print out verbose information.

 *  @param[in] socket_ids A field of stored socket identifiers.

 *  @param[in] sockets The number of sockets in the field. Should be at most the size of the field.

 *  @param[in] address The destination host address to connect to.

 *  @param[in] addrlen The length of the destination address in bytes.

 *  @returns EOK on success.

 *  @returns Other error codes as defined for the connect() function.

 */

int sockets_connect( int verbose, int * socket_ids, int sockets, struct sockaddr * address, socklen_t addrlen );

/** Sends data via sockets.

 *  @param[in] verbose A value indicating whether to print out verbose information.

 *  @param[in] socket_ids A field of stored socket identifiers.

 *  @param[in] sockets The number of sockets in the field. Should be at most the size of the field.

 *  @param[in] address The destination host address to send data to.

 *  @param[in] addrlen The length of the destination address in bytes.

 *  @param[in] data The data to be sent.

 *  @param[in] size The data size in bytes.

 *  @param[in] messages The number of datagrams per socket to be sent.

 *  @returns EOK on success.

 *  @returns Other error codes as defined for the sendto() function.

 */

int sockets_sendto( int verbose, int * socket_ids, int sockets, struct sockaddr * address, socklen_t addrlen, char * data, int size, int messages );

/** Receives data via sockets.

 *  @param[in] verbose A value indicating whether to print out verbose information.

 *  @param[in] socket_ids A field of stored socket identifiers.

 *  @param[in] sockets The number of sockets in the field. Should be at most the size of the field.

 *  @param[in] address The source host address of received datagrams.

 *  @param[in,out] addrlen The maximum length of the source address in bytes. The actual size of the source address is set instead.

 *  @param[out] data The received data.

 *  @param[in] size The maximum data size in bytes.

 *  @param[in] messages The number of datagrams per socket to be received.

 *  @returns EOK on success.

 *  @returns Other error codes as defined for the recvfrom() function.

 */

int sockets_recvfrom( int verbose, int * socket_ids, int sockets, struct sockaddr * address, socklen_t * addrlen, char * data, int size, int messages );

/** Sends and receives data via sockets.

 *  Each datagram is sent and a reply read consequently.

 *  The next datagram is sent after the reply is received.

 *  @param[in] verbose A value indicating whether to print out verbose information.

 *  @param[in] socket_ids A field of stored socket identifiers.

 *  @param[in] sockets The number of sockets in the field. Should be at most the size of the field.

 *  @param[in,out] address The destination host address to send data to. The source host address of received datagrams is set instead.

 *  @param[in] addrlen The length of the destination address in bytes.

 *  @param[in,out] data The data to be sent. The received data are set instead.

 *  @param[in] size The data size in bytes.

 *  @param[in] messages The number of datagrams per socket to be received.

 *  @returns EOK on success.

 *  @returns Other error codes as defined for the recvfrom() function.

 */

int sockets_sendto_recvfrom( int verbose, int * socket_ids, int sockets, struct sockaddr * address, socklen_t * addrlen, char * data, int size, int messages );

/** Prints a mark.

 *  If the index is a multiple of ten, a different mark is printed.

 *  @param[in] index The index of the mark to be printed.

 */

void    print_mark( int index );

void print_help( void ){

    printf(

        "Network Networking test 1 aplication - sockets\n" \

        "Usage: echo [options] numeric_address\n" \

        "Where options are:\n" \

        "-f protocol_family | --family=protocol_family\n" \

        "\tThe listenning socket protocol family. Only the PF_INET and PF_INET6 are supported.\n"

        "\n" \

        "-h | --help\n" \

        "\tShow this application help.\n"

        "\n" \

        "-m count | --messages=count\n" \

        "\tThe number of messages to send and receive per socket. The default is 10.\n" \

        "\n" \

        "-n sockets | --sockets=count\n" \

        "\tThe number of sockets to use. The default is 10.\n" \

        "\n" \

        "-p port_number | --port=port_number\n" \

        "\tThe port number the application should send messages to. The default is 7.\n" \

        "\n" \

        "-s packet_size | --size=packet_size\n" \

        "\tThe packet data size the application sends. The default is 28 bytes.\n" \

        "\n" \

        "-v | --verbose\n" \

        "\tShow all output messages.\n"

    );

}

int parse_protocol_family( const char * name ){

    if( str_lcmp( name, "PF_INET", 7 ) == 0 ){

        return PF_INET;

    }else if( str_lcmp( name, "PF_INET6", 8 ) == 0 ){

        return PF_INET6;

    }

    return EPFNOSUPPORT;

}

int parse_socket_type( const char * name ){

    if( str_lcmp( name, "SOCK_DGRAM", 11 ) == 0 ){

        return SOCK_DGRAM;

    }else if( str_lcmp( name, "SOCK_STREAM", 12 ) == 0 ){

        return SOCK_STREAM;

    }

    return ESOCKTNOSUPPORT;

}

void refresh_data( char * data, size_t size ){

    size_t  length;

    // fill the data

    length = 0;

    while( size > length + sizeof( NETTEST1_TEXT ) - 1 ){

        memcpy( data + length, NETTEST1_TEXT, sizeof( NETTEST1_TEXT ) - 1 );

        length += sizeof( NETTEST1_TEXT ) - 1;

    }

    memcpy( data + length, NETTEST1_TEXT, size - length );

    data[ size ] = '\0';

}

int sockets_create( int verbose, int * socket_ids, int sockets, int family, sock_type_t type ){

    int index;

    if( verbose ) printf( "Create\t" );

    fflush( stdout );

    for( index = 0; index < sockets; ++ index ){

        socket_ids[ index ] = socket( family, type, 0 );

        if( socket_ids[ index ] < 0 ){

            printf( "Socket %d (%d) error:\n", index, socket_ids[ index ] );

            socket_print_error( stderr, socket_ids[ index ], "Socket create: ", "\n" );

            return socket_ids[ index ];

        }

        if( verbose ) print_mark( index );

    }

    return EOK;

}

int sockets_close( int verbose, int * socket_ids, int sockets ){

    ERROR_DECLARE;

    int index;

    if( verbose ) printf( "\tClose\t" );

    fflush( stdout );

    for( index = 0; index < sockets; ++ index ){

        if( ERROR_OCCURRED( closesocket( socket_ids[ index ] ))){

            printf( "Socket %d (%d) error:\n", index, socket_ids[ index ] );

            socket_print_error( stderr, ERROR_CODE, "Socket close: ", "\n" );

            return ERROR_CODE;

        }

        if( verbose ) print_mark( index );

    }

    return EOK;

}

int sockets_connect( int verbose, int * socket_ids, int sockets, struct sockaddr * address, socklen_t addrlen ){

    ERROR_DECLARE;

    int index;

    if( verbose ) printf( "\tConnect\t" );

    fflush( stdout );

    for( index = 0; index < sockets; ++ index ){

        if( ERROR_OCCURRED( connect( socket_ids[ index ], address, addrlen ))){

            socket_print_error( stderr, ERROR_CODE, "Socket connect: ", "\n" );

            return ERROR_CODE;

        }

        if( verbose ) print_mark( index );

    }

    return EOK;

}

int sockets_sendto( int verbose, int * socket_ids, int sockets, struct sockaddr * address, socklen_t addrlen, char * data, int size, int messages ){

    ERROR_DECLARE;

    int index;

    int message;

    if( verbose ) printf( "\tSendto\t" );

    fflush( stdout );

    for( index = 0; index < sockets; ++ index ){

        for( message = 0; message < messages; ++ message ){

            if( ERROR_OCCURRED( sendto( socket_ids[ index ], data, size, 0, address, addrlen ))){

                printf( "Socket %d (%d), message %d error:\n", index, socket_ids[ index ], message );

                socket_print_error( stderr, ERROR_CODE, "Socket send: ", "\n" );

                return ERROR_CODE;

            }

        }

        if( verbose ) print_mark( index );

    }

    return EOK;

}

int sockets_recvfrom( int verbose, int * socket_ids, int sockets, struct sockaddr * address, socklen_t * addrlen, char * data, int size, int messages ){

    int value;

    int index;

    int message;

    if( verbose ) printf( "\tRecvfrom\t" );

    fflush( stdout );

    for( index = 0; index < sockets; ++ index ){

        for( message = 0; message < messages; ++ message ){

            value = recvfrom( socket_ids[ index ], data, size, 0, address, addrlen );

            if( value < 0 ){

                printf( "Socket %d (%d), message %d error:\n", index, socket_ids[ index ], message );

                socket_print_error( stderr, value, "Socket receive: ", "\n" );

                return value;

            }

        }

        if( verbose ) print_mark( index );

    }

    return EOK;

}

int sockets_sendto_recvfrom( int verbose, int * socket_ids, int sockets, struct sockaddr * address, socklen_t * addrlen, char * data, int size, int messages ){

    ERROR_DECLARE;

    int value;

    int index;

    int message;

    if( verbose ) printf( "\tSendto and recvfrom\t" );

    fflush( stdout );

    for( index = 0; index < sockets; ++ index ){

        for( message = 0; message < messages; ++ message ){

            if( ERROR_OCCURRED( sendto( socket_ids[ index ], data, size, 0, address, * addrlen ))){

                printf( "Socket %d (%d), message %d error:\n", index, socket_ids[ index ], message );

                socket_print_error( stderr, ERROR_CODE, "Socket send: ", "\n" );

                return ERROR_CODE;

            }

            value = recvfrom( socket_ids[ index ], data, size, 0, address, addrlen );

            if( value < 0 ){

                printf( "Socket %d (%d), message %d error:\n", index, socket_ids[ index ], message );

                socket_print_error( stderr, value, "Socket receive: ", "\n" );

                return value;

            }

        }

        if( verbose ) print_mark( index );

    }

    return EOK;

}

void print_mark( int index ){

    if(( index + 1 ) % 10 ){

        printf( "*" );

    }else{

        printf( "|" );

    }

    fflush( stdout );

}

int main( int argc, char * argv[] ){

    ERROR_DECLARE;

    size_t              size            = 28;

    int                 verbose         = 0;

    sock_type_t         type            = SOCK_DGRAM;

    int                 sockets         = 10;

    int                 messages        = 10;

    int                 family          = PF_INET;

    uint16_t            port            = 7;

    socklen_t           max_length      = sizeof( struct sockaddr_in6 );

    uint8_t             address_data[ max_length ];

    struct sockaddr *       address     = ( struct sockaddr * ) address_data;

    struct sockaddr_in *    address_in      = ( struct sockaddr_in * ) address;

    struct sockaddr_in6 *   address_in6 = ( struct sockaddr_in6 * ) address;

    socklen_t           addrlen;

//  char                address_string[ INET6_ADDRSTRLEN ];

    uint8_t *           address_start;

    int *               socket_ids;

    char *              data;

    int                 value;

    int                 index;

    struct timeval      time_before;

    struct timeval      time_after;

    printf( "Task %d - ", task_get_id());

    printf( "%s\n", NAME );

    if( argc <= 1 ){

        print_help();

        return EINVAL;

    }

    for( index = 1; ( index < argc - 1 ) || (( index == argc ) && ( argv[ index ][ 0 ] == '-' )); ++ index ){

        if( argv[ index ][ 0 ] == '-' ){

            switch( argv[ index ][ 1 ] ){

                case 'f':   ERROR_PROPAGATE( parse_parameter_name_int( argc, argv, & index, & family, "protocol family", 0, parse_protocol_family ));

                            break;

                case 'h':   print_help();

                            return EOK;

                            break;

                case 'm':   ERROR_PROPAGATE( parse_parameter_int( argc, argv, & index, & messages, "message count", 0 ));

                            break;

                case 'n':   ERROR_PROPAGATE( parse_parameter_int( argc, argv, & index, & sockets, "socket count", 0 ));

                            break;

                case 'p':   ERROR_PROPAGATE( parse_parameter_int( argc, argv, & index, & value, "port number", 0 ));

                            port = ( uint16_t ) value;

                            break;

                case 's':   ERROR_PROPAGATE( parse_parameter_int( argc, argv, & index, & value, "packet size", 0 ));

                            size = (value >= 0 ) ? ( size_t ) value : 0;

                            break;

                case 't':   ERROR_PROPAGATE( parse_parameter_name_int( argc, argv, & index, & value, "socket type", 0, parse_socket_type ));

                            type = ( sock_type_t ) value;

                            break;

                case 'v':   verbose = 1;

                            break;

                case '-':   if( str_lcmp( argv[ index ] + 2, "family=", 7 ) == 0 ){

                                ERROR_PROPAGATE( parse_parameter_name_int( argc, argv, & index, & family, "protocol family", 9, parse_protocol_family ));

                            }else if( str_lcmp( argv[ index ] + 2, "help", 5 ) == 0 ){

                                print_help();

                                return EOK;

                            }else if( str_lcmp( argv[ index ] + 2, "messages=", 6 ) == 0 ){

                                ERROR_PROPAGATE( parse_parameter_int( argc, argv, & index, & messages, "message count", 8 ));

                            }else if( str_lcmp( argv[ index ] + 2, "sockets=", 6 ) == 0 ){

                                ERROR_PROPAGATE( parse_parameter_int( argc, argv, & index, & sockets, "socket count", 8 ));

                            }else if( str_lcmp( argv[ index ] + 2, "port=", 5 ) == 0 ){

                                ERROR_PROPAGATE( parse_parameter_int( argc, argv, & index, & value, "port number", 7 ));

                                port = ( uint16_t ) value;

                            }else if( str_lcmp( argv[ index ] + 2, "type=", 5 ) == 0 ){

                                ERROR_PROPAGATE( parse_parameter_name_int( argc, argv, & index, & value, "socket type", 7, parse_socket_type ));

                                type = ( sock_type_t ) value;

                            }else if( str_lcmp( argv[ index ] + 2, "verbose", 8 ) == 0 ){

                                verbose = 1;

                            }else{

                                print_unrecognized( index, argv[ index ] + 2 );

                                print_help();

                                return EINVAL;

                            }

                            break;

                default:

                    print_unrecognized( index, argv[ index ] + 1 );

                    print_help();

                    return EINVAL;

            }

        }else{

            print_unrecognized( index, argv[ index ] );

            print_help();

            return EINVAL;

        }

    }

    bzero( address_data, max_length );

    switch( family ){

        case PF_INET:

            address_in->sin_family = AF_INET;

            address_in->sin_port = htons( port );

            address_start = ( uint8_t * ) & address_in->sin_addr.s_addr;

            addrlen = sizeof( struct sockaddr_in );

            break;

        case PF_INET6:

            address_in6->sin6_family = AF_INET6;

            address_in6->sin6_port = htons( port );

            address_start = ( uint8_t * ) & address_in6->sin6_addr.s6_addr;

            addrlen = sizeof( struct sockaddr_in6 );

            break;

        default:

            fprintf( stderr, "Address family is not supported\n" );

            return EAFNOSUPPORT;

    }

    if( ERROR_OCCURRED( inet_pton( family, argv[ argc - 1 ], address_start ))){

        fprintf( stderr, "Address parse error %d\n", ERROR_CODE );

        return ERROR_CODE;

    }

    if( size <= 0 ){

        fprintf( stderr, "Data buffer size too small (%d). Using 1024 bytes instead.\n", size );

        size = 1024;

    }

    // size plus terminating null (\0)

    data = ( char * ) malloc( size + 1 );

    if( ! data ){

        fprintf( stderr, "Failed to allocate data buffer.\n" );

        return ENOMEM;

    }

    refresh_data( data, size );

    if( sockets <= 0 ){

        fprintf( stderr, "Socket count too small (%d). Using 2 instead.\n", sockets );

        sockets = 2;

    }

    // count plus terminating null (\0)

    socket_ids = ( int * ) malloc( sizeof( int ) * ( sockets + 1 ));

    if( ! socket_ids ){

        fprintf( stderr, "Failed to allocate receive buffer.\n" );

        return ENOMEM;

    }

    socket_ids[ sockets ] = NULL;

    if( verbose ) printf( "Starting tests\n" );

    if( verbose ) printf( "1 socket, 1 message\n" );

    if( ERROR_OCCURRED( gettimeofday( & time_before, NULL ))){

        fprintf( stderr, "Get time of day error %d\n", ERROR_CODE );

        return ERROR_CODE;

    }

    ERROR_PROPAGATE( sockets_create( verbose, socket_ids, 1, family, type ));

    ERROR_PROPAGATE( sockets_close( verbose, socket_ids, 1 ));

    if( verbose ) printf( "\tOK\n" );

    ERROR_PROPAGATE( sockets_create( verbose, socket_ids, 1, family, type ));

    if( type == SOCK_STREAM ){

        ERROR_PROPAGATE( sockets_connect( verbose, socket_ids, 1, address, addrlen ));

    }

    ERROR_PROPAGATE( sockets_sendto_recvfrom( verbose, socket_ids, 1, address, & addrlen, data, size, 1 ));

    ERROR_PROPAGATE( sockets_close( verbose, socket_ids, 1 ));

    if( verbose ) printf( "\tOK\n" );

    ERROR_PROPAGATE( sockets_create( verbose, socket_ids, 1, family, type ));

    if( type == SOCK_STREAM ){

        ERROR_PROPAGATE( sockets_connect( verbose, socket_ids, 1, address, addrlen ));

    }

    ERROR_PROPAGATE( sockets_sendto( verbose, socket_ids, 1, address, addrlen, data, size, 1 ));

    ERROR_PROPAGATE( sockets_recvfrom( verbose, socket_ids, 1, address, & addrlen, data, size, 1 ));

    ERROR_PROPAGATE( sockets_close( verbose, socket_ids, 1 ));

    if( verbose ) printf( "\tOK\n" );

    if( verbose ) printf( "1 socket, %d messages\n", messages );

    ERROR_PROPAGATE( sockets_create( verbose, socket_ids, 1, family, type ));

    if( type == SOCK_STREAM ){

        ERROR_PROPAGATE( sockets_connect( verbose, socket_ids, 1, address, addrlen ));

    }

    ERROR_PROPAGATE( sockets_sendto_recvfrom( verbose, socket_ids, 1, address, & addrlen, data, size, messages ));

    ERROR_PROPAGATE( sockets_close( verbose, socket_ids, 1 ));

    if( verbose ) printf( "\tOK\n" );

    ERROR_PROPAGATE( sockets_create( verbose, socket_ids, 1, family, type ));

    if( type == SOCK_STREAM ){

        ERROR_PROPAGATE( sockets_connect( verbose, socket_ids, 1, address, addrlen ));

    }

    ERROR_PROPAGATE( sockets_sendto( verbose, socket_ids, 1, address, addrlen, data, size, messages ));

    ERROR_PROPAGATE( sockets_recvfrom( verbose, socket_ids, 1, address, & addrlen, data, size, messages ));

    ERROR_PROPAGATE( sockets_close( verbose, socket_ids, 1 ));

    if( verbose ) printf( "\tOK\n" );

    if( verbose ) printf( "%d sockets, 1 message\n", sockets );

    ERROR_PROPAGATE( sockets_create( verbose, socket_ids, sockets, family, type ));

    ERROR_PROPAGATE( sockets_close( verbose, socket_ids, sockets ));

    if( verbose ) printf( "\tOK\n" );

    ERROR_PROPAGATE( sockets_create( verbose, socket_ids, sockets, family, type ));

    if( type == SOCK_STREAM ){

        ERROR_PROPAGATE( sockets_connect( verbose, socket_ids, sockets, address, addrlen ));

    }

    ERROR_PROPAGATE( sockets_sendto_recvfrom( verbose, socket_ids, sockets, address, & addrlen, data, size, 1 ));

    ERROR_PROPAGATE( sockets_close( verbose, socket_ids, sockets ));

    if( verbose ) printf( "\tOK\n" );

    ERROR_PROPAGATE( sockets_create( verbose, socket_ids, sockets, family, type ));

    if( type == SOCK_STREAM ){

        ERROR_PROPAGATE( sockets_connect( verbose, socket_ids, sockets, address, addrlen ));

    }

    ERROR_PROPAGATE( sockets_sendto( verbose, socket_ids, sockets, address, addrlen, data, size, 1 ));

    ERROR_PROPAGATE( sockets_recvfrom( verbose, socket_ids, sockets, address, & addrlen, data, size, 1 ));

    ERROR_PROPAGATE( sockets_close( verbose, socket_ids, sockets ));

    if( verbose ) printf( "\tOK\n" );

    if( verbose ) printf( "%d sockets, %d messages\n", sockets, messages );

    ERROR_PROPAGATE( sockets_create( verbose, socket_ids, sockets, family, type ));

    if( type == SOCK_STREAM ){

        ERROR_PROPAGATE( sockets_connect( verbose, socket_ids, sockets, address, addrlen ));

    }

    ERROR_PROPAGATE( sockets_sendto_recvfrom( verbose, socket_ids, sockets, address, & addrlen, data, size, messages ));

    ERROR_PROPAGATE( sockets_close( verbose, socket_ids, sockets ));

    if( verbose ) printf( "\tOK\n" );

    ERROR_PROPAGATE( sockets_create( verbose, socket_ids, sockets, family, type ));

    if( type == SOCK_STREAM ){

        ERROR_PROPAGATE( sockets_connect( verbose, socket_ids, sockets, address, addrlen ));

    }

    ERROR_PROPAGATE( sockets_sendto( verbose, socket_ids, sockets, address, addrlen, data, size, messages ));

    ERROR_PROPAGATE( sockets_recvfrom( verbose, socket_ids, sockets, address, & addrlen, data, size, messages ));

    ERROR_PROPAGATE( sockets_close( verbose, socket_ids, sockets ));

    if( ERROR_OCCURRED( gettimeofday( & time_after, NULL ))){

        fprintf( stderr, "Get time of day error %d\n", ERROR_CODE );

        return ERROR_CODE;

    }

    if( verbose ) printf( "\tOK\n" );

    printf( "Tested in %d microseconds\n", tv_sub( & time_after, & time_before ));

    if( verbose ) printf( "Exiting\n" );

    return EOK;

}

/** @}

 */