/* SPDX-License-Identifier: LGPL-2.1+ */

#include "conf-parser.h"

#include "parse-util.h"

#include "string-util.h"

#include "vlan-util.h"

int parse_vlanid(const char *p, uint16_t *ret) {

        uint16_t id;

        int r;

        assert(p);

        assert(ret);

        r = safe_atou16(p, &id);

        if (r < 0)

                return r;

        if (!vlanid_is_valid(id))

                return -ERANGE;

        *ret = id;

        return 0;

}

int config_parse_default_port_vlanid(

                const char *unit,

                const char *filename,

                unsigned line,

                const char *section,

                unsigned section_line,

                const char *lvalue,

                int ltype,

                const char *rvalue,

                void *data,

                void *userdata) {

        uint16_t *id = data;

        assert(lvalue);

        assert(rvalue);

        assert(data);

        if (streq(rvalue, "none")) {

                *id = 0;

                return 0;

        }

        return config_parse_vlanid(unit, filename, line, section, section_line,

                                   lvalue, ltype, rvalue, data, userdata);

}

int config_parse_vlanid(

                const char *unit,

                const char *filename,

                unsigned line,

                const char *section,

                unsigned section_line,

                const char *lvalue,

                int ltype,

                const char *rvalue,

                void *data,

                void *userdata) {

        uint16_t *id = data;

        int r;

        assert(filename);

        assert(lvalue);

        assert(rvalue);

        assert(data);

        r = parse_vlanid(rvalue, id);

        if (r == -ERANGE) {

                log_syntax(unit, LOG_ERR, filename, line, r, "VLAN identifier outside of valid range 0…4094, ignoring: %s", rvalue);

                return 0;

        }

        if (r < 0) {

                log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse VLAN identifier value, ignoring: %s", rvalue);

                return 0;

        }

        return 0;

}