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Merge pull request collectd#4195 from octo/6/value_list
[collectd 6] Move legacy code into its own package.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,121 @@ | ||
| /** | ||
| * collectd - src/daemon/data_set.c | ||
| * Copyright (C) 2005-2023 Florian octo Forster | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining a | ||
| * copy of this software and associated documentation files (the "Software"), | ||
| * to deal in the Software without restriction, including without limitation | ||
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, | ||
| * and/or sell copies of the Software, and to permit persons to whom the | ||
| * Software is furnished to do so, subject to the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be included in | ||
| * all copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | ||
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | ||
| * DEALINGS IN THE SOFTWARE. | ||
| * | ||
| * Authors: | ||
| * Florian octo Forster <octo at collectd.org> | ||
| * Sebastian Harl <sh at tokkee.org> | ||
| * Manoj Srivastava <srivasta at google.com> | ||
| **/ | ||
|
|
||
| #include "daemon/data_set.h" | ||
| #include "daemon/plugin.h" | ||
| #include "utils/avltree/avltree.h" | ||
| #include "utils/common/common.h" | ||
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|
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| #ifdef WIN32 | ||
| #define EXPORT __declspec(dllexport) | ||
| #include <sys/stat.h> | ||
| #include <unistd.h> | ||
| #else | ||
| #define EXPORT | ||
| #endif | ||
|
|
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| static c_avl_tree_t *data_sets; | ||
|
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| EXPORT int plugin_register_data_set(const data_set_t *ds) { | ||
| data_set_t *ds_copy; | ||
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| if ((data_sets != NULL) && (c_avl_get(data_sets, ds->type, NULL) == 0)) { | ||
| NOTICE("Replacing DS `%s' with another version.", ds->type); | ||
| plugin_unregister_data_set(ds->type); | ||
| } else if (data_sets == NULL) { | ||
| data_sets = c_avl_create((int (*)(const void *, const void *))strcmp); | ||
| if (data_sets == NULL) | ||
| return -1; | ||
| } | ||
|
|
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| ds_copy = malloc(sizeof(*ds_copy)); | ||
| if (ds_copy == NULL) | ||
| return -1; | ||
| memcpy(ds_copy, ds, sizeof(data_set_t)); | ||
|
|
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| ds_copy->ds = malloc(sizeof(*ds_copy->ds) * ds->ds_num); | ||
| if (ds_copy->ds == NULL) { | ||
| sfree(ds_copy); | ||
| return -1; | ||
| } | ||
|
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| for (size_t i = 0; i < ds->ds_num; i++) | ||
| memcpy(ds_copy->ds + i, ds->ds + i, sizeof(data_source_t)); | ||
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| return c_avl_insert(data_sets, (void *)ds_copy->type, (void *)ds_copy); | ||
| } /* int plugin_register_data_set */ | ||
|
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| EXPORT int plugin_unregister_data_set(const char *name) { | ||
| data_set_t *ds; | ||
|
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| if (data_sets == NULL) | ||
| return -1; | ||
|
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| if (c_avl_remove(data_sets, name, NULL, (void *)&ds) != 0) | ||
| return -1; | ||
|
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| sfree(ds->ds); | ||
| sfree(ds); | ||
|
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| return 0; | ||
| } /* int plugin_unregister_data_set */ | ||
|
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| EXPORT const data_set_t *plugin_get_ds(const char *name) { | ||
| data_set_t *ds; | ||
|
|
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| if (data_sets == NULL) { | ||
| P_ERROR("plugin_get_ds: No data sets are defined yet."); | ||
| return NULL; | ||
| } | ||
|
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| if (c_avl_get(data_sets, name, (void *)&ds) != 0) { | ||
| DEBUG("No such dataset registered: %s", name); | ||
| return NULL; | ||
| } | ||
|
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| return ds; | ||
| } /* data_set_t *plugin_get_ds */ | ||
|
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| void plugin_free_data_sets(void) { | ||
| void *key; | ||
| void *value; | ||
|
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| if (data_sets == NULL) | ||
| return; | ||
|
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| while (c_avl_pick(data_sets, &key, &value) == 0) { | ||
| data_set_t *ds = value; | ||
| /* key is a pointer to ds->type */ | ||
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| sfree(ds->ds); | ||
| sfree(ds); | ||
| } | ||
|
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| c_avl_destroy(data_sets); | ||
| data_sets = NULL; | ||
| } /* void plugin_free_data_sets */ |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| /** | ||
| * collectd - src/daemon/data_set.h | ||
| * Copyright (C) 2005-2023 Florian octo Forster | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining a | ||
| * copy of this software and associated documentation files (the "Software"), | ||
| * to deal in the Software without restriction, including without limitation | ||
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, | ||
| * and/or sell copies of the Software, and to permit persons to whom the | ||
| * Software is furnished to do so, subject to the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be included in | ||
| * all copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | ||
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | ||
| * DEALINGS IN THE SOFTWARE. | ||
| * | ||
| * Authors: | ||
| * Florian octo Forster <octo at collectd.org> | ||
| * Sebastian Harl <sh at tokkee.org> | ||
| * Manoj Srivastava <srivasta at google.com> | ||
| **/ | ||
|
|
||
| #ifndef DAEMON_DATA_SET_H | ||
| #define DAEMON_DATA_SET_H | ||
|
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| #include "collectd.h" | ||
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| struct data_source_s { | ||
| char name[DATA_MAX_NAME_LEN]; | ||
| int type; | ||
| double min; | ||
| double max; | ||
| }; | ||
| typedef struct data_source_s data_source_t; | ||
|
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| struct data_set_s { | ||
| char type[DATA_MAX_NAME_LEN]; | ||
| size_t ds_num; | ||
| data_source_t *ds; | ||
| }; | ||
| typedef struct data_set_s data_set_t; | ||
|
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| int plugin_register_data_set(const data_set_t *ds); | ||
| int plugin_unregister_data_set(const char *name); | ||
| const data_set_t *plugin_get_ds(const char *name); | ||
| void plugin_free_data_sets(void); | ||
|
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| #endif /* DAEMON_DATA_SET_H */ |
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