#include <math.h>
#include "command.h"

/* Parameters */

static const command_parameter_t type_hicn = {
    .name = "type",
    .help = "connection type (hICN)",
    .type = TYPE_ENUM(connection_type),
    .offset = offsetof(hc_connection_t, type),
};

static const command_parameter_t type_tcp_udp = {
    .name = "type",
    .help = "connection type [tcp | udp]",
    .type = TYPE_ENUM(connection_type),
    .offset = offsetof(hc_connection_t, type),
};

static const command_parameter_t symbolic = {
    .name = "symbolic",
    .help = "symbolic name, e.g. 'conn1' (must be unique, start with alpha)",
    .type = TYPE_SYMBOLIC,
    .offset = offsetof(hc_connection_t, name),
};

static const command_parameter_t local_address = {
    .name = "local_addr",
    .help = "local IP address on which to bind.", // XXX optional
    .type = TYPE_IP_ADDRESS,
    .offset = offsetof(hc_connection_t, local_addr),
    .offset2 = offsetof(hc_connection_t, family),
};

static const command_parameter_t local_port = {
    .name = "local_port",
    .help = "Local port.",
    .type = TYPE_INT(1, pow(2, 16) - 1),
    .offset = offsetof(hc_connection_t, local_port),
};

static const command_parameter_t remote_address = {
    .name = "remote_address",
    .help = "The IPv4 or IPv6 or hostname of the remote system.",
    .type = TYPE_IP_ADDRESS,
    .offset = offsetof(hc_connection_t, remote_addr),
    .offset2 = offsetof(hc_connection_t, family),
};

static const command_parameter_t remote_port = {
    .name = "remote_port",
    .help = "Remote port.",
    .type = TYPE_INT(1, pow(2, 16) - 1),
    .offset = offsetof(hc_connection_t, remote_port),
};

static const command_parameter_t interface = {
    .name = "interface",
    .help = "Interface on which to bind", // optional ?
    .type = TYPE_STRN(IFNAMSIZ),
    .offset = offsetof(hc_connection_t, interface_name),
};

static const command_parameter_t symbolic_or_id = {
    .name = "symbolic",
    .help = "The connection symbolic name or id",
    .type = TYPE_SYMBOLIC_OR_ID,
    .offset = offsetof(hc_connection_t, name),
};

/* Commands */

int
on_connection_create(hc_connection_t * connection)
{
    connection->admin_state = FACE_STATE_UP;
    return 0;
}

static const command_parser_t command_connection_create4 = {
    .action = ACTION_CREATE,
    .object = OBJECT_CONNECTION,
    .nparams = 5,
    .parameters = { type_hicn, symbolic, local_address, remote_address,
        interface },
    .post_hook = (parser_hook_t)on_connection_create,
};
COMMAND_REGISTER(command_connection_create4);

static const command_parser_t command_connection_create6 = {
    .action = ACTION_CREATE,
    .object = OBJECT_CONNECTION,
    .nparams = 7,
    .parameters = { type_tcp_udp, symbolic, remote_address, remote_port,
        local_address, local_port, interface },
    .post_hook = (parser_hook_t)on_connection_create,
};
COMMAND_REGISTER(command_connection_create6);

static const command_parser_t command_connection_list = {
    .action = ACTION_LIST,
    .object = OBJECT_CONNECTION,
    .nparams = 0,
};
COMMAND_REGISTER(command_connection_list);

static const command_parser_t command_connection_remove = {
    .action = ACTION_DELETE,
    .object = OBJECT_CONNECTION,
    .nparams = 1,
    .parameters = { symbolic_or_id },
};
COMMAND_REGISTER(command_connection_remove);