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 | ||
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13 | int bus_property_get_triggered_unit(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error); |
| 14 | ||
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15 | #define BUS_DEFINE_SET_TRANSIENT(function, bus_type, type, cast_type, fmt) \ |
| 16 | int bus_set_transient_##function( \ | |
| 17 | Unit *u, \ | |
| 18 | const char *name, \ | |
| 19 | cast_type *p, \ | |
| 20 | sd_bus_message *message, \ | |
| 21 | UnitWriteFlags flags, \ | |
| 22 | sd_bus_error *error) { \ | |
| 23 | \ | |
| 24 | type v; \ | |
| 25 | int r; \ | |
| 26 | \ | |
| 27 | assert(p); \ | |
| 28 | \ | |
| 29 | r = sd_bus_message_read(message, bus_type, &v); \ | |
| 30 | if (r < 0) \ | |
| 31 | return r; \ | |
| 32 | \ | |
| 33 | if (!UNIT_WRITE_FLAGS_NOOP(flags)) { \ | |
| 34 | *p = (cast_type) v; \ | |
| 35 | unit_write_settingf(u, flags, name, \ | |
| 36 | "%s=" fmt, name, v); \ | |
| 37 | } \ | |
| 38 | \ | |
| 39 | return 1; \ | |
| f6a8265b | 40 | } |
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41 | |
| 42 | #define BUS_DEFINE_SET_TRANSIENT_IS_VALID(function, bus_type, type, cast_type, fmt, check) \ | |
| 43 | int bus_set_transient_##function( \ | |
| 44 | Unit *u, \ | |
| 45 | const char *name, \ | |
| 46 | cast_type *p, \ | |
| 47 | sd_bus_message *message, \ | |
| 48 | UnitWriteFlags flags, \ | |
| 49 | sd_bus_error *error) { \ | |
| 50 | \ | |
| 51 | type v; \ | |
| 52 | int r; \ | |
| 53 | \ | |
| 54 | assert(p); \ | |
| 55 | \ | |
| 56 | r = sd_bus_message_read(message, bus_type, &v); \ | |
| 57 | if (r < 0) \ | |
| 58 | return r; \ | |
| 59 | \ | |
| 60 | if (!check(v)) \ | |
| 61 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, \ | |
| 62 | "Invalid %s setting: " fmt, name, v); \ | |
| 63 | \ | |
| 64 | if (!UNIT_WRITE_FLAGS_NOOP(flags)) { \ | |
| 65 | *p = (cast_type) v; \ | |
| 66 | unit_write_settingf(u, flags, name, \ | |
| 67 | "%s=" fmt, name, v); \ | |
| 68 | } \ | |
| 69 | \ | |
| 70 | return 1; \ | |
| f6a8265b | 71 | } |
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72 | |
| 73 | #define BUS_DEFINE_SET_TRANSIENT_TO_STRING(function, bus_type, type, cast_type, fmt, to_string) \ | |
| 74 | int bus_set_transient_##function( \ | |
| 75 | Unit *u, \ | |
| 76 | const char *name, \ | |
| 77 | cast_type *p, \ | |
| 78 | sd_bus_message *message, \ | |
| 79 | UnitWriteFlags flags, \ | |
| 80 | sd_bus_error *error) { \ | |
| 81 | \ | |
| 82 | const char *s; \ | |
| 83 | type v; \ | |
| 84 | int r; \ | |
| 85 | \ | |
| 86 | assert(p); \ | |
| 87 | \ | |
| 88 | r = sd_bus_message_read(message, bus_type, &v); \ | |
| 89 | if (r < 0) \ | |
| 90 | return r; \ | |
| 91 | \ | |
| 92 | s = to_string(v); \ | |
| 93 | if (!s) \ | |
| 94 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, \ | |
| 95 | "Invalid %s setting: " fmt, name, v); \ | |
| 96 | \ | |
| 97 | if (!UNIT_WRITE_FLAGS_NOOP(flags)) { \ | |
| 98 | *p = (cast_type) v; \ | |
| 99 | unit_write_settingf(u, flags, name, \ | |
| 100 | "%s=%s", name, s); \ | |
| 101 | } \ | |
| 102 | \ | |
| 103 | return 1; \ | |
| f6a8265b | 104 | } |
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105 | |
| 106 | #define BUS_DEFINE_SET_TRANSIENT_TO_STRING_ALLOC(function, bus_type, type, cast_type, fmt, to_string) \ | |
| 107 | int bus_set_transient_##function( \ | |
| 108 | Unit *u, \ | |
| 109 | const char *name, \ | |
| 110 | cast_type *p, \ | |
| 111 | sd_bus_message *message, \ | |
| 112 | UnitWriteFlags flags, \ | |
| 113 | sd_bus_error *error) { \ | |
| 114 | \ | |
| 115 | _cleanup_free_ char *s = NULL; \ | |
| 116 | type v; \ | |
| 117 | int r; \ | |
| 118 | \ | |
| 119 | assert(p); \ | |
| 120 | \ | |
| 121 | r = sd_bus_message_read(message, bus_type, &v); \ | |
| 122 | if (r < 0) \ | |
| 123 | return r; \ | |
| 124 | \ | |
| 125 | r = to_string(v, &s); \ | |
| 126 | if (r == -EINVAL) \ | |
| 127 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, \ | |
| 128 | "Invalid %s setting: " fmt, name, v); \ | |
| 129 | if (r < 0) \ | |
| 130 | return r; \ | |
| 131 | \ | |
| 132 | if (!UNIT_WRITE_FLAGS_NOOP(flags)) { \ | |
| 133 | *p = (cast_type) v; \ | |
| 134 | unit_write_settingf(u, flags, name, \ | |
| 135 | "%s=%s", name, s); \ | |
| 136 | } \ | |
| 137 | \ | |
| 138 | return 1; \ | |
| f6a8265b | 139 | } |
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140 | |
| 141 | #define BUS_DEFINE_SET_TRANSIENT_PARSE(function, type, parse) \ | |
| 142 | int bus_set_transient_##function( \ | |
| 143 | Unit *u, \ | |
| 144 | const char *name, \ | |
| 145 | type *p, \ | |
| 146 | sd_bus_message *message, \ | |
| 147 | UnitWriteFlags flags, \ | |
| 148 | sd_bus_error *error) { \ | |
| 149 | \ | |
| 150 | const char *s; \ | |
| 151 | type v; \ | |
| 152 | int r; \ | |
| 153 | \ | |
| 154 | assert(p); \ | |
| 155 | \ | |
| 156 | r = sd_bus_message_read(message, "s", &s); \ | |
| 157 | if (r < 0) \ | |
| 158 | return r; \ | |
| 159 | \ | |
| 160 | v = parse(s); \ | |
| 161 | if (v < 0) \ | |
| 162 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, \ | |
| 163 | "Invalid %s setting: %s", name, s); \ | |
| 164 | \ | |
| 165 | if (!UNIT_WRITE_FLAGS_NOOP(flags)) { \ | |
| 166 | *p = v; \ | |
| 167 | unit_write_settingf(u, flags, name, \ | |
| 168 | "%s=%s", name, s); \ | |
| 169 | } \ | |
| 170 | \ | |
| 171 | return 1; \ | |
| f6a8265b | 172 | } |
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173 | |
| 174 | #define BUS_DEFINE_SET_TRANSIENT_PARSE_PTR(function, type, parse) \ | |
| 175 | int bus_set_transient_##function( \ | |
| 176 | Unit *u, \ | |
| 177 | const char *name, \ | |
| 178 | type *p, \ | |
| 179 | sd_bus_message *message, \ | |
| 180 | UnitWriteFlags flags, \ | |
| 181 | sd_bus_error *error) { \ | |
| 182 | \ | |
| 183 | const char *s; \ | |
| 184 | type v; \ | |
| 185 | int r; \ | |
| 186 | \ | |
| 187 | assert(p); \ | |
| 188 | \ | |
| 189 | r = sd_bus_message_read(message, "s", &s); \ | |
| 190 | if (r < 0) \ | |
| 191 | return r; \ | |
| 192 | \ | |
| 193 | r = parse(s, &v); \ | |
| 194 | if (r < 0) \ | |
| 195 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, \ | |
| 196 | "Invalid %s setting: %s", name, s); \ | |
| 197 | \ | |
| 198 | if (!UNIT_WRITE_FLAGS_NOOP(flags)) { \ | |
| 199 | *p = v; \ | |
| 200 | unit_write_settingf(u, flags, name, \ | |
| 201 | "%s=%s", name, strempty(s)); \ | |
| 202 | } \ | |
| 203 | \ | |
| 204 | return 1; \ | |
| f6a8265b | 205 | } |
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206 | |
| 207 | #define BUS_DEFINE_SET_TRANSIENT_STRING_WITH_CHECK(function, check) \ | |
| 208 | int bus_set_transient_##function( \ | |
| 209 | Unit *u, \ | |
| 210 | const char *name, \ | |
| 211 | char **p, \ | |
| 212 | sd_bus_message *message, \ | |
| 213 | UnitWriteFlags flags, \ | |
| 214 | sd_bus_error *error) { \ | |
| 215 | \ | |
| 216 | const char *v; \ | |
| 217 | int r; \ | |
| 218 | \ | |
| 219 | assert(p); \ | |
| 220 | \ | |
| 221 | r = sd_bus_message_read(message, "s", &v); \ | |
| 222 | if (r < 0) \ | |
| 223 | return r; \ | |
| 224 | \ | |
| 225 | if (!isempty(v) && !check(v)) \ | |
| 226 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, \ | |
| 227 | "Invalid %s setting: %s", name, v); \ | |
| 228 | \ | |
| 229 | if (!UNIT_WRITE_FLAGS_NOOP(flags)) { \ | |
| 230 | r = free_and_strdup(p, empty_to_null(v)); \ | |
| 231 | if (r < 0) \ | |
| 232 | return r; \ | |
| 233 | \ | |
| 234 | unit_write_settingf(u, flags|UNIT_ESCAPE_SPECIFIERS, name, \ | |
| 235 | "%s=%s", name, strempty(v)); \ | |
| 236 | } \ | |
| 237 | \ | |
| 238 | return 1; \ | |
| f6a8265b | 239 | } |
| 77019691 YW |
240 | |
| 241 | int bus_set_transient_mode_t(Unit *u, const char *name, mode_t *p, sd_bus_message *message, UnitWriteFlags flags, sd_bus_error *error); | |
| 242 | int bus_set_transient_unsigned(Unit *u, const char *name, unsigned *p, sd_bus_message *message, UnitWriteFlags flags, sd_bus_error *error); | |
| 243 | int bus_set_transient_user(Unit *u, const char *name, char **p, sd_bus_message *message, UnitWriteFlags flags, sd_bus_error *error); | |
| 244 | int bus_set_transient_path(Unit *u, const char *name, char **p, sd_bus_message *message, UnitWriteFlags flags, sd_bus_error *error); | |
| 245 | int bus_set_transient_string(Unit *u, const char *name, char **p, sd_bus_message *message, UnitWriteFlags flags, sd_bus_error *error); | |
| 246 | int bus_set_transient_bool(Unit *u, const char *name, bool *p, sd_bus_message *message, UnitWriteFlags flags, sd_bus_error *error); | |
| 247 | 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); | |
| 248 | 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) { | |
| 249 | return bus_set_transient_usec_internal(u, name, p, false, message, flags, error); | |
| 250 | } | |
| 251 | 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) { | |
| 252 | return bus_set_transient_usec_internal(u, name, p, true, message, flags, error); | |
| 253 | } |