diff options
Diffstat (limited to 'src/fluent-bit/plugins/out_plot/plot.c')
-rw-r--r-- | src/fluent-bit/plugins/out_plot/plot.c | 242 |
1 files changed, 0 insertions, 242 deletions
diff --git a/src/fluent-bit/plugins/out_plot/plot.c b/src/fluent-bit/plugins/out_plot/plot.c deleted file mode 100644 index e5a217f45..000000000 --- a/src/fluent-bit/plugins/out_plot/plot.c +++ /dev/null @@ -1,242 +0,0 @@ -/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ - -/* Fluent Bit - * ========== - * Copyright (C) 2015-2022 The Fluent Bit Authors - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include <fluent-bit/flb_output_plugin.h> -#include <fluent-bit/flb_utils.h> -#include <fluent-bit/flb_time.h> -#include <fluent-bit/flb_log_event_decoder.h> -#include <msgpack.h> - -#include <stdio.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> - -struct flb_plot { - const char *out_file; - flb_sds_t key; - struct flb_output_instance *ins; -}; - -static int cb_plot_init(struct flb_output_instance *ins, - struct flb_config *config, - void *data) -{ - int ret; - (void) config; - (void) data; - struct flb_plot *ctx; - - ctx = flb_calloc(1, sizeof(struct flb_plot)); - if (!ctx) { - flb_errno(); - return -1; - } - ctx->ins = ins; - - ret = flb_output_config_map_set(ins, (void *)ctx); - if (ret == -1) { - flb_free(ctx); - return -1; - } - - /* Set the context */ - flb_output_set_context(ins, ctx); - - return 0; -} - -static void cb_plot_flush(struct flb_event_chunk *event_chunk, - struct flb_output_flush *out_flush, - struct flb_input_instance *i_ins, - void *out_context, - struct flb_config *config) -{ - int i; - int written; - int fd; - const char *out_file; - msgpack_object *map; - msgpack_object *key = NULL; - msgpack_object *val = NULL; - struct flb_plot *ctx = out_context; - struct flb_log_event_decoder log_decoder; - struct flb_log_event log_event; - int ret; - - (void) i_ins; - (void) config; - - /* Set the right output */ - if (!ctx->out_file) { - out_file = event_chunk->tag; - } - else { - out_file = ctx->out_file; - } - - /* Open output file with default name as the Tag */ - fd = open(out_file, O_WRONLY | O_CREAT | O_APPEND, 0666); - if (fd == -1) { - flb_errno(); - flb_plg_warn(ctx->ins, "could not open %s, switching to STDOUT", - out_file); - fd = STDOUT_FILENO; - } - - ret = flb_log_event_decoder_init(&log_decoder, - (char *) event_chunk->data, - event_chunk->size); - - if (ret != FLB_EVENT_DECODER_SUCCESS) { - flb_plg_error(ctx->ins, - "Log event decoder initialization error : %d", ret); - - close(fd); - - FLB_OUTPUT_RETURN(FLB_ERROR); - } - - /* - * Upon flush, for each array, lookup the time and the first field - * of the map to use as a data point. - */ - while ((ret = flb_log_event_decoder_next( - &log_decoder, - &log_event)) == FLB_EVENT_DECODER_SUCCESS) { - map = log_event.body; - - /* - * Lookup key, we need to iterate the whole map as sometimes the - * data that gets in can set the keys in different order (e.g: forward, - * tcp, etc). - */ - if (ctx->key) { - for (i = 0; i < map->via.map.size; i++) { - /* Get each key and compare */ - key = &(map->via.map.ptr[i].key); - if (key->type == MSGPACK_OBJECT_BIN) { - if (flb_sds_len(ctx->key) == key->via.bin.size && - memcmp(key->via.bin.ptr, ctx->key, - flb_sds_len(ctx->key)) == 0) { - val = &(map->via.map.ptr[i].val); - break; - } - key = NULL; - val = NULL; - } - else if (key->type == MSGPACK_OBJECT_STR) { - if (flb_sds_len(ctx->key) == key->via.str.size && - memcmp(key->via.str.ptr, ctx->key, - flb_sds_len(ctx->key)) == 0) { - val = &(map->via.map.ptr[i].val); - break; - } - key = NULL; - val = NULL; - } - else { - if (fd != STDOUT_FILENO) { - close(fd); - } - - flb_log_event_decoder_destroy(&log_decoder); - - FLB_OUTPUT_RETURN(FLB_ERROR); - } - } - } - else { - val = &(map->via.map.ptr[0].val); - } - - if (!val) { - flb_plg_error(ctx->ins, "unmatched key '%s'", ctx->key); - - if (fd != STDOUT_FILENO) { - close(fd); - } - - flb_log_event_decoder_destroy(&log_decoder); - - FLB_OUTPUT_RETURN(FLB_ERROR); - } - - if (val->type == MSGPACK_OBJECT_POSITIVE_INTEGER) { - written = dprintf(fd, "%f %" PRIu64 "\n", - flb_time_to_double(&log_event.timestamp), val->via.u64); - } - else if (val->type == MSGPACK_OBJECT_NEGATIVE_INTEGER) { - written = dprintf(fd, "%f %" PRId64 "\n", - flb_time_to_double(&log_event.timestamp), val->via.i64); - } - else if (val->type == MSGPACK_OBJECT_FLOAT) { - written = dprintf(fd, "%f %lf\n", - flb_time_to_double(&log_event.timestamp), val->via.f64); - } - else { - flb_plg_error(ctx->ins, "value must be integer, negative integer " - "or float"); - written = 0; - } - flb_plg_debug(ctx->ins, "%i bytes written to file '%s'", - written, out_file); - } - - flb_log_event_decoder_destroy(&log_decoder); - - if (fd != STDOUT_FILENO) { - close(fd); - } - - FLB_OUTPUT_RETURN(FLB_OK); -} - -static int cb_plot_exit(void *data, struct flb_config *config) -{ - struct flb_plot *ctx = data; - - flb_free(ctx); - return 0; -} - -static struct flb_config_map config_map[] = { - { - FLB_CONFIG_MAP_STR, "key", (char *)NULL, - 0, FLB_TRUE, offsetof(struct flb_plot, key), - "set a number of times to generate event." - }, - { - FLB_CONFIG_MAP_STR, "file", (char *)NULL, - 0, FLB_TRUE, offsetof(struct flb_plot, out_file), - "set a number of times to generate event." - }, - /* EOF */ - {0} -}; - -struct flb_output_plugin out_plot_plugin = { - .name = "plot", - .description = "Generate data file for GNU Plot", - .cb_init = cb_plot_init, - .cb_flush = cb_plot_flush, - .cb_exit = cb_plot_exit, - .config_map = config_map, - .flags = 0, -}; |