91 lines
2.0 KiB
C++
91 lines
2.0 KiB
C++
// SPDX-License-Identifier: BSD-2-Clause
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// author: Max Kellermann <max.kellermann@gmail.com>
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#include "DscpParser.hxx"
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#include "util/StringAPI.hxx"
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#include <cstdlib>
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#ifdef _WIN32
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#include <ws2tcpip.h>
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#else
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#include <netinet/ip.h>
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#endif
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#ifndef IPTOS_DSCP_AF11
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#define IPTOS_DSCP_AF11 0x28
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#define IPTOS_DSCP_AF12 0x30
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#define IPTOS_DSCP_AF13 0x38
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#define IPTOS_DSCP_AF21 0x48
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#define IPTOS_DSCP_AF22 0x50
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#define IPTOS_DSCP_AF23 0x58
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#define IPTOS_DSCP_AF31 0x68
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#define IPTOS_DSCP_AF32 0x70
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#define IPTOS_DSCP_AF33 0x78
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#define IPTOS_DSCP_AF41 0x88
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#define IPTOS_DSCP_AF42 0x90
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#define IPTOS_DSCP_AF43 0x98
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#endif
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#ifndef IPTOS_DSCP_CS0
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#define IPTOS_DSCP_CS0 0x00
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#define IPTOS_DSCP_CS1 0x20
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#define IPTOS_DSCP_CS2 0x40
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#define IPTOS_DSCP_CS3 0x60
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#define IPTOS_DSCP_CS4 0x80
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#define IPTOS_DSCP_CS5 0xa0
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#define IPTOS_DSCP_CS6 0xc0
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#define IPTOS_DSCP_CS7 0xe0
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#endif
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#ifndef IPTOS_DSCP_EF
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#define IPTOS_DSCP_EF 0xb8
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#endif
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#ifndef IPTOS_DSCP_LE
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#define IPTOS_DSCP_LE 0x04
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#endif
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static constexpr struct {
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const char *name;
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int value;
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} dscp_classes[] = {
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{ "AF11", IPTOS_DSCP_AF11 },
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{ "AF12", IPTOS_DSCP_AF12 },
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{ "AF13", IPTOS_DSCP_AF13 },
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{ "AF21", IPTOS_DSCP_AF21 },
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{ "AF22", IPTOS_DSCP_AF22 },
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{ "AF23", IPTOS_DSCP_AF23 },
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{ "AF31", IPTOS_DSCP_AF31 },
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{ "AF32", IPTOS_DSCP_AF32 },
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{ "AF33", IPTOS_DSCP_AF33 },
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{ "AF41", IPTOS_DSCP_AF41 },
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{ "AF42", IPTOS_DSCP_AF42 },
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{ "AF43", IPTOS_DSCP_AF43 },
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{ "CS0", IPTOS_DSCP_CS0 },
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{ "CS1", IPTOS_DSCP_CS1 },
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{ "CS2", IPTOS_DSCP_CS2 },
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{ "CS3", IPTOS_DSCP_CS3 },
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{ "CS4", IPTOS_DSCP_CS4 },
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{ "CS5", IPTOS_DSCP_CS5 },
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{ "CS6", IPTOS_DSCP_CS6 },
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{ "CS7", IPTOS_DSCP_CS7 },
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{ "EF", IPTOS_DSCP_EF },
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{ "LE", IPTOS_DSCP_LE },
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};
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int
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ParseDscpClass(const char *s) noexcept
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{
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for (const auto &i : dscp_classes)
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if (StringIsEqualIgnoreCase(s, i.name))
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return i.value;
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char *endptr;
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unsigned long value = strtoul(s, &endptr, 0);
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if (endptr > s && *endptr == 0 && value <= 0xff)
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return value;
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return -1;
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}
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