pon_stat.c

Go to the documentation of this file.

/****************************************************************************
**
** SPDX-License-Identifier: BSD-2-Clause-Patent
**
** SPDX-FileCopyrightText: Copyright (c) 2022 SoftAtHome
**
** Redistribution and use in source and binary forms, with or
** without modification, are permitted provided that the following
** conditions are met:
**
** 1. Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
**
** 2. 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.
**
** Subject to the terms and conditions of this license, each
** copyright holder and contributor hereby grants to those receiving
** rights under this license a perpetual, worldwide, non-exclusive,
** no-charge, royalty-free, irrevocable (except for failure to
** satisfy the conditions of this license) patent license to make,
** have made, use, offer to sell, sell, import, and otherwise
** transfer this software, where such license applies only to those
** patent claims, already acquired or hereafter acquired, licensable
** by such copyright holder or contributor that are necessarily
** infringed by:
**
** (a) their Contribution(s) (the licensed copyrights of copyright
** holders and non-copyrightable additions of contributors, in
** source or binary form) alone; or
**
** (b) combination of their Contribution(s) with the work of
** authorship to which such Contribution(s) was added by such
** copyright holder or contributor, if, at the time the Contribution
** is added, such addition causes such combination to be necessarily
** infringed. The patent license shall not apply to any other
** combinations which include the Contribution.
**
** Except as expressly stated above, no rights or licenses from any
** copyright holder or contributor is granted under this license,
** whether expressly, by implication, estoppel or otherwise.
**
** DISCLAIMER
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
** CONTRIBUTORS "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 COPYRIGHT HOLDERS OR
** CONTRIBUTORS 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.
**
****************************************************************************/
 
/* Related header */
#include "pon_stat.h"
 
/* System headers */
#include <amxc/amxc_macros.h> /* UNUSED */
 
/* Other libraries' headers */
#include <amxp/amxp.h>
#include <amxc/amxc.h>
#include <amxd/amxd_types.h>
#include <amxo/amxo.h>    /* amxo_connection_add() */
 
/* Own headers */
#include "data_model.h"   /* dm_add_instance() */
#include "dm_xpon_mngr.h" /* xpon_mngr_get_parser() */
#include "pon_ctrl.h"     /* handle_file_descriptor() */
#include "xpon_trace.h"
 
 
int dm_instance_added(UNUSED const char* function_name,
                      amxc_var_t* args,
                      UNUSED amxc_var_t* ret) {
 
    SAH_TRACEZ_INFO(ME, "called");
    return dm_add_instance(args);
}
 
int dm_instance_removed(UNUSED const char* function_name,
                        amxc_var_t* args,
                        UNUSED amxc_var_t* ret) {
 
    SAH_TRACEZ_INFO(ME, "called");
    return dm_remove_instance(args);
}
 
int dm_object_changed(UNUSED const char* function_name,
                      amxc_var_t* args,
                      UNUSED amxc_var_t* ret) {
 
    SAH_TRACEZ_INFO(ME, "called");
    return dm_change_object(args);
}
 
int dm_add_or_change_instance(UNUSED const char* function_name,
                              amxc_var_t* args,
                              UNUSED amxc_var_t* ret) {
    SAH_TRACEZ_INFO(ME, "called");
    return dm_add_or_change_instance_impl(args);
}
 
int omci_reset_mib(UNUSED const char* function_name,
                   amxc_var_t* args,
                   UNUSED amxc_var_t* ret) {
 
    SAH_TRACEZ_INFO(ME, "called");
    return dm_omci_reset_mib(args);
}
 
static void handle_fd(int fd, UNUSED void* priv) {
    when_false_trace(fd > 0, exit, ERROR, "Invalid fd [%d]", fd);
 
    SAH_TRACEZ_DEBUG(ME, "fd=%d readable", fd);
    pon_ctrl_handle_file_descriptor(fd);
 
exit:
    return;
}
 
 
static int watch_file_descriptor_common(amxc_var_t* args,
                                        bool start) {
    int rc = -1;
    amxo_parser_t* const parser = xpon_mngr_get_parser();
    when_null(parser, exit);
    when_null(args, exit);
 
    const uint32_t type = amxc_var_type_of(args);
    when_false_trace(type == AMXC_VAR_ID_FD, exit, ERROR,
                     "Type of 'args' = %d != FD", type);
    const int fd = amxc_var_constcast(fd_t, args);
    when_false_trace(fd > 0, exit, ERROR, "Invalid fd [%d]", fd);
 
    if(start) {
        if(amxo_connection_add(parser, fd, handle_fd, NULL, AMXO_CUSTOM, NULL) != 0) {
            SAH_TRACEZ_ERROR(ME, "Failed to start monitoring fd=%d", fd);
            goto exit;
        }
    } else {
        if(amxo_connection_remove(parser, fd) != 0) {
            SAH_TRACEZ_ERROR(ME, "Failed to stop monitoring fd=%d", fd);
            goto exit;
        }
    }
 
    rc = 0;
 
exit:
    return rc;
}
 
int watch_file_descriptor_start(UNUSED const char* function_name,
                                amxc_var_t* args,
                                UNUSED amxc_var_t* ret) {
    return watch_file_descriptor_common(args, /*start=*/ true);
}
 
int watch_file_descriptor_stop(UNUSED const char* function_name,
                               amxc_var_t* args,
                               UNUSED amxc_var_t* ret) {
    return watch_file_descriptor_common(args, /*start=*/ false);
}
 
int dm_set_xpon_parameter(UNUSED const char* function_name,
                          amxc_var_t* args,
                          UNUSED amxc_var_t* ret) {
 
    SAH_TRACEZ_INFO(ME, "called");
    return dm_set_xpon_parameter_impl(args);
}