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# Sweden - Sveg/Brickan
# T freq bw fec_hi fec_lo mod transmission-mode guard-interval hierarchy
T 634000000 8MHz 2/3 NONE QAM64 8k 1/8 NONE
T 594000000 8MHz 2/3 NONE QAM64 8k 1/8 NONE
T 674000000 8MHz 2/3 NONE QAM64 8k 1/8 NONE
T 778000000 8MHz 2/3 NONE QAM64 8k 1/8 NONE
.highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */ .highlight .go { color: #888888 } /* Generic.Output */ .highlight .gp { color: #555555 } /* Generic.Prompt */ .highlight .gs { font-weight: bold } /* Generic.Strong */ .highlight .gu { color: #666666 } /* Generic.Subheading */ .highlight .gt { color: #aa0000 } /* Generic.Traceback */ .highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */ .highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */ .highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */ .highlight .kp { color: #008800 } /* Keyword.Pseudo */ .highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */ .highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */ .highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */ .highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */ .highlight .na { color: #336699 } /* Name.Attribute */ .highlight .nb { color: #003388 } /* Name.Builtin */ .highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */ .highlight .no { color: #003366; font-weight: bold } /* Name.Constant */ .highlight .nd { color: #555555 } /* Name.Decorator */ .highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */ .highlight .nf { color: #0066bb; font-weight: bold } /* Name.Function */ .highlight .nl { color: #336699; font-style: italic } /* Name.Label */ .highlight .nn { color: #bb0066; font-weight: bold } /* Name.Namespace */ .highlight .py { color: #336699; font-weight: bold } /* Name.Property */ .highlight .nt { color: #bb0066; font-weight: bold } /* Name.Tag */ .highlight .nv { color: #336699 } /* Name.Variable */ .highlight .ow { color: #008800 } /* Operator.Word */ .highlight .w { color: #bbbbbb } /* Text.Whitespace */ .highlight .mb { color: #0000DD; font-weight: bold } /* Literal.Number.Bin */ .highlight .mf { color: #0000DD; font-weight: bold } /* Literal.Number.Float */ .highlight .mh { color: #0000DD; font-weight: bold } /* Literal.Number.Hex */ .highlight .mi { color: #0000DD; font-weight: bold } /* Literal.Number.Integer */ .highlight .mo { color: #0000DD; font-weight: bold } /* Literal.Number.Oct */ .highlight .sa { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Affix */ .highlight .sb { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Backtick */ .highlight .sc { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Char */ .highlight .dl { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Delimiter */ .highlight .sd { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Doc */ .highlight .s2 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Double */ .highlight .se { color: #0044dd; background-color: #fff0f0 } /* Literal.String.Escape */ .highlight .sh { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Heredoc */ .highlight .si { color: #3333bb; background-color: #fff0f0 } /* Literal.String.Interpol */ .highlight .sx { color: #22bb22; background-color: #f0fff0 } /* Literal.String.Other */ .highlight .sr { color: #008800; background-color: #fff0ff } /* Literal.String.Regex */ .highlight .s1 { color: #dd2200; background-color: #fff0f0 } /* Literal.String.Single */ .highlight .ss { color: #aa6600; background-color: #fff0f0 } /* Literal.String.Symbol */ .highlight .bp { color: #003388 } /* Name.Builtin.Pseudo */ .highlight .fm { color: #0066bb; font-weight: bold } /* Name.Function.Magic */ .highlight .vc { color: #336699 } /* Name.Variable.Class */ .highlight .vg { color: #dd7700 } /* Name.Variable.Global */ .highlight .vi { color: #3333bb } /* Name.Variable.Instance */ .highlight .vm { color: #336699 } /* Name.Variable.Magic */ .highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */
/*
 * Copyright © 2009-2010 Stéphane Raimbault <stephane.raimbault@gmail.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include <errno.h>
#include <signal.h>

#include <modbus.h>

#if defined(_WIN32)
#include <ws2tcpip.h>
#else
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#endif

#define NB_CONNECTION    5

modbus_t *ctx = NULL;
int server_socket;
modbus_mapping_t *mb_mapping;

static void close_sigint(int dummy)
{
    close(server_socket);
    modbus_free(ctx);
    modbus_mapping_free(mb_mapping);

    exit(dummy);
}

int main(void)
{
    int master_socket;
    int rc;
    fd_set refset;
    fd_set rdset;

    /* Maximum file descriptor number */
    int fdmax;

    ctx = modbus_new_tcp("127.0.0.1", 1502);

    mb_mapping = modbus_mapping_new(MODBUS_MAX_READ_BITS, 0,
                                    MODBUS_MAX_READ_REGISTERS, 0);
    if (mb_mapping == NULL) {
        fprintf(stderr, "Failed to allocate the mapping: %s\n",
                modbus_strerror(errno));
        modbus_free(ctx);
        return -1;
    }

    server_socket = modbus_tcp_listen(ctx, NB_CONNECTION);

    signal(SIGINT, close_sigint);

    /* Clear the reference set of socket */
    FD_ZERO(&refset);
    /* Add the server socket */
    FD_SET(server_socket, &refset);

    /* Keep track of the max file descriptor */
    fdmax = server_socket;

    for (;;) {
        rdset = refset;
        if (select(fdmax+1, &rdset, NULL, NULL, NULL) == -1) {
            perror("Server select() failure.");
            close_sigint(1);
        }

        /* Run through the existing connections looking for data to be
         * read */
        for (master_socket = 0; master_socket <= fdmax; master_socket++) {

            if (FD_ISSET(master_socket, &rdset)) {
                if (master_socket == server_socket) {
                    /* A client is asking a new connection */
                    socklen_t addrlen;
                    struct sockaddr_in clientaddr;
                    int newfd;

                    /* Handle new connections */
                    addrlen = sizeof(clientaddr);
                    memset(&clientaddr, 0, sizeof(clientaddr));
                    newfd = accept(server_socket, (struct sockaddr *)&clientaddr, &addrlen);
                    if (newfd == -1) {
                        perror("Server accept() error");
                    } else {
                        FD_SET(newfd, &refset);

                        if (newfd > fdmax) {
                            /* Keep track of the maximum */
                            fdmax = newfd;
                        }
                        printf("New connection from %s:%d on socket %d\n",
                               inet_ntoa(clientaddr.sin_addr), clientaddr.sin_port, newfd);
                    }
                } else {
                    /* An already connected master has sent a new query */
                    uint8_t query[MODBUS_TCP_MAX_ADU_LENGTH];

                    modbus_set_socket(ctx, master_socket);
                    rc = modbus_receive(ctx, query);
                    if (rc != -1) {
                        modbus_reply(ctx, query, rc, mb_mapping);
                    } else {
                        /* Connection closed by the client, end of server */
                        printf("Connection closed on socket %d\n", master_socket);
                        close(master_socket);

                        /* Remove from reference set */
                        FD_CLR(master_socket, &refset);

                        if (master_socket == fdmax) {
                            fdmax--;
                        }
                    }
                }
            }
        }
    }

    return 0;
}