projects / thirdparty / systemd.git / blame
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1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
| 2 | #pragma once | |
| 3 | ||
| 4 | /*** | |
| 5 | This file is part of systemd. | |
| 6 | ||
| 7 | Copyright 2010 Lennart Poettering | |
| 77019691 YW |
8 | ***/ |
| 9 | ||
| 10 | #include "sd-bus.h" | |
| 11 | #include "unit.h" | |
| 12 | ||
| 13 | #define BUS_DEFINE_SET_TRANSIENT(function, bus_type, type, cast_type, fmt) \ | |
| 14 | int bus_set_transient_##function( \ | |
| 15 | Unit *u, \ | |
| 16 | const char *name, \ | |
| 17 | cast_type *p, \ | |
| 18 | sd_bus_message *message, \ | |
| 19 | UnitWriteFlags flags, \ | |
| 20 | sd_bus_error *error) { \ | |
| 21 | \ | |
| 22 | type v; \ | |
| 23 | int r; \ | |
| 24 | \ | |
| 25 | assert(p); \ | |
| 26 | \ | |
| 27 | r = sd_bus_message_read(message, bus_type, &v); \ | |
| 28 | if (r < 0) \ | |
| 29 | return r; \ | |
| 30 | \ | |
| 31 | if (!UNIT_WRITE_FLAGS_NOOP(flags)) { \ | |
| 32 | *p = (cast_type) v; \ | |
| 33 | unit_write_settingf(u, flags, name, \ | |
| 34 | "%s=" fmt, name, v); \ | |
| 35 | } \ | |
| 36 | \ | |
| 37 | return 1; \ | |
| f6a8265b | 38 | } |
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39 | |
| 40 | #define BUS_DEFINE_SET_TRANSIENT_IS_VALID(function, bus_type, type, cast_type, fmt, check) \ | |
| 41 | int bus_set_transient_##function( \ | |
| 42 | Unit *u, \ | |
| 43 | const char *name, \ | |
| 44 | cast_type *p, \ | |
| 45 | sd_bus_message *message, \ | |
| 46 | UnitWriteFlags flags, \ | |
| 47 | sd_bus_error *error) { \ | |
| 48 | \ | |
| 49 | type v; \ | |
| 50 | int r; \ | |
| 51 | \ | |
| 52 | assert(p); \ | |
| 53 | \ | |
| 54 | r = sd_bus_message_read(message, bus_type, &v); \ | |
| 55 | if (r < 0) \ | |
| 56 | return r; \ | |
| 57 | \ | |
| 58 | if (!check(v)) \ | |
| 59 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, \ | |
| 60 | "Invalid %s setting: " fmt, name, v); \ | |
| 61 | \ | |
| 62 | if (!UNIT_WRITE_FLAGS_NOOP(flags)) { \ | |
| 63 | *p = (cast_type) v; \ | |
| 64 | unit_write_settingf(u, flags, name, \ | |
| 65 | "%s=" fmt, name, v); \ | |
| 66 | } \ | |
| 67 | \ | |
| 68 | return 1; \ | |
| f6a8265b | 69 | } |
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70 | |
| 71 | #define BUS_DEFINE_SET_TRANSIENT_TO_STRING(function, bus_type, type, cast_type, fmt, to_string) \ | |
| 72 | int bus_set_transient_##function( \ | |
| 73 | Unit *u, \ | |
| 74 | const char *name, \ | |
| 75 | cast_type *p, \ | |
| 76 | sd_bus_message *message, \ | |
| 77 | UnitWriteFlags flags, \ | |
| 78 | sd_bus_error *error) { \ | |
| 79 | \ | |
| 80 | const char *s; \ | |
| 81 | type v; \ | |
| 82 | int r; \ | |
| 83 | \ | |
| 84 | assert(p); \ | |
| 85 | \ | |
| 86 | r = sd_bus_message_read(message, bus_type, &v); \ | |
| 87 | if (r < 0) \ | |
| 88 | return r; \ | |
| 89 | \ | |
| 90 | s = to_string(v); \ | |
| 91 | if (!s) \ | |
| 92 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, \ | |
| 93 | "Invalid %s setting: " fmt, name, v); \ | |
| 94 | \ | |
| 95 | if (!UNIT_WRITE_FLAGS_NOOP(flags)) { \ | |
| 96 | *p = (cast_type) v; \ | |
| 97 | unit_write_settingf(u, flags, name, \ | |
| 98 | "%s=%s", name, s); \ | |
| 99 | } \ | |
| 100 | \ | |
| 101 | return 1; \ | |
| f6a8265b | 102 | } |
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103 | |
| 104 | #define BUS_DEFINE_SET_TRANSIENT_TO_STRING_ALLOC(function, bus_type, type, cast_type, fmt, to_string) \ | |
| 105 | int bus_set_transient_##function( \ | |
| 106 | Unit *u, \ | |
| 107 | const char *name, \ | |
| 108 | cast_type *p, \ | |
| 109 | sd_bus_message *message, \ | |
| 110 | UnitWriteFlags flags, \ | |
| 111 | sd_bus_error *error) { \ | |
| 112 | \ | |
| 113 | _cleanup_free_ char *s = NULL; \ | |
| 114 | type v; \ | |
| 115 | int r; \ | |
| 116 | \ | |
| 117 | assert(p); \ | |
| 118 | \ | |
| 119 | r = sd_bus_message_read(message, bus_type, &v); \ | |
| 120 | if (r < 0) \ | |
| 121 | return r; \ | |
| 122 | \ | |
| 123 | r = to_string(v, &s); \ | |
| 124 | if (r == -EINVAL) \ | |
| 125 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, \ | |
| 126 | "Invalid %s setting: " fmt, name, v); \ | |
| 127 | if (r < 0) \ | |
| 128 | return r; \ | |
| 129 | \ | |
| 130 | if (!UNIT_WRITE_FLAGS_NOOP(flags)) { \ | |
| 131 | *p = (cast_type) v; \ | |
| 132 | unit_write_settingf(u, flags, name, \ | |
| 133 | "%s=%s", name, s); \ | |
| 134 | } \ | |
| 135 | \ | |
| 136 | return 1; \ | |
| f6a8265b | 137 | } |
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138 | |
| 139 | #define BUS_DEFINE_SET_TRANSIENT_PARSE(function, type, parse) \ | |
| 140 | int bus_set_transient_##function( \ | |
| 141 | Unit *u, \ | |
| 142 | const char *name, \ | |
| 143 | type *p, \ | |
| 144 | sd_bus_message *message, \ | |
| 145 | UnitWriteFlags flags, \ | |
| 146 | sd_bus_error *error) { \ | |
| 147 | \ | |
| 148 | const char *s; \ | |
| 149 | type v; \ | |
| 150 | int r; \ | |
| 151 | \ | |
| 152 | assert(p); \ | |
| 153 | \ | |
| 154 | r = sd_bus_message_read(message, "s", &s); \ | |
| 155 | if (r < 0) \ | |
| 156 | return r; \ | |
| 157 | \ | |
| 158 | v = parse(s); \ | |
| 159 | if (v < 0) \ | |
| 160 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, \ | |
| 161 | "Invalid %s setting: %s", name, s); \ | |
| 162 | \ | |
| 163 | if (!UNIT_WRITE_FLAGS_NOOP(flags)) { \ | |
| 164 | *p = v; \ | |
| 165 | unit_write_settingf(u, flags, name, \ | |
| 166 | "%s=%s", name, s); \ | |
| 167 | } \ | |
| 168 | \ | |
| 169 | return 1; \ | |
| f6a8265b | 170 | } |
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171 | |
| 172 | #define BUS_DEFINE_SET_TRANSIENT_PARSE_PTR(function, type, parse) \ | |
| 173 | int bus_set_transient_##function( \ | |
| 174 | Unit *u, \ | |
| 175 | const char *name, \ | |
| 176 | type *p, \ | |
| 177 | sd_bus_message *message, \ | |
| 178 | UnitWriteFlags flags, \ | |
| 179 | sd_bus_error *error) { \ | |
| 180 | \ | |
| 181 | const char *s; \ | |
| 182 | type v; \ | |
| 183 | int r; \ | |
| 184 | \ | |
| 185 | assert(p); \ | |
| 186 | \ | |
| 187 | r = sd_bus_message_read(message, "s", &s); \ | |
| 188 | if (r < 0) \ | |
| 189 | return r; \ | |
| 190 | \ | |
| 191 | r = parse(s, &v); \ | |
| 192 | if (r < 0) \ | |
| 193 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, \ | |
| 194 | "Invalid %s setting: %s", name, s); \ | |
| 195 | \ | |
| 196 | if (!UNIT_WRITE_FLAGS_NOOP(flags)) { \ | |
| 197 | *p = v; \ | |
| 198 | unit_write_settingf(u, flags, name, \ | |
| 199 | "%s=%s", name, strempty(s)); \ | |
| 200 | } \ | |
| 201 | \ | |
| 202 | return 1; \ | |
| f6a8265b | 203 | } |
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204 | |
| 205 | #define BUS_DEFINE_SET_TRANSIENT_STRING_WITH_CHECK(function, check) \ | |
| 206 | int bus_set_transient_##function( \ | |
| 207 | Unit *u, \ | |
| 208 | const char *name, \ | |
| 209 | char **p, \ | |
| 210 | sd_bus_message *message, \ | |
| 211 | UnitWriteFlags flags, \ | |
| 212 | sd_bus_error *error) { \ | |
| 213 | \ | |
| 214 | const char *v; \ | |
| 215 | int r; \ | |
| 216 | \ | |
| 217 | assert(p); \ | |
| 218 | \ | |
| 219 | r = sd_bus_message_read(message, "s", &v); \ | |
| 220 | if (r < 0) \ | |
| 221 | return r; \ | |
| 222 | \ | |
| 223 | if (!isempty(v) && !check(v)) \ | |
| 224 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, \ | |
| 225 | "Invalid %s setting: %s", name, v); \ | |
| 226 | \ | |
| 227 | if (!UNIT_WRITE_FLAGS_NOOP(flags)) { \ | |
| 228 | r = free_and_strdup(p, empty_to_null(v)); \ | |
| 229 | if (r < 0) \ | |
| 230 | return r; \ | |
| 231 | \ | |
| 232 | unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, \ | |
| 233 | "%s=%s", name, strempty(v)); \ | |
| 234 | } \ | |
| 235 | \ | |
| 236 | return 1; \ | |
| f6a8265b | 237 | } |
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238 | |
| 239 | int bus_set_transient_mode_t(Unit *u, const char *name, mode_t *p, sd_bus_message *message, UnitWriteFlags flags, sd_bus_error *error); | |
| 240 | int bus_set_transient_unsigned(Unit *u, const char *name, unsigned *p, sd_bus_message *message, UnitWriteFlags flags, sd_bus_error *error); | |
| 241 | int bus_set_transient_user(Unit *u, const char *name, char **p, sd_bus_message *message, UnitWriteFlags flags, sd_bus_error *error); | |
| 242 | int bus_set_transient_path(Unit *u, const char *name, char **p, sd_bus_message *message, UnitWriteFlags flags, sd_bus_error *error); | |
| 243 | int bus_set_transient_string(Unit *u, const char *name, char **p, sd_bus_message *message, UnitWriteFlags flags, sd_bus_error *error); | |
| 244 | int bus_set_transient_bool(Unit *u, const char *name, bool *p, sd_bus_message *message, UnitWriteFlags flags, sd_bus_error *error); | |
| 245 | int bus_set_transient_usec_internal(Unit *u, const char *name, usec_t *p, bool fix_0, sd_bus_message *message, UnitWriteFlags flags, sd_bus_error *error); | |
| 246 | static inline int bus_set_transient_usec(Unit *u, const char *name, usec_t *p, sd_bus_message *message, UnitWriteFlags flags, sd_bus_error *error) { | |
| 247 | return bus_set_transient_usec_internal(u, name, p, false, message, flags, error); | |
| 248 | } | |
| 249 | static inline int bus_set_transient_usec_fix_0(Unit *u, const char *name, usec_t *p, sd_bus_message *message, UnitWriteFlags flags, sd_bus_error *error) { | |
| 250 | return bus_set_transient_usec_internal(u, name, p, true, message, flags, error); | |
| 251 | } |