diff options
Diffstat (limited to 'fluent-bit/plugins/in_udp')
-rw-r--r-- | fluent-bit/plugins/in_udp/CMakeLists.txt | 6 | ||||
-rw-r--r-- | fluent-bit/plugins/in_udp/udp.c | 197 | ||||
-rw-r--r-- | fluent-bit/plugins/in_udp/udp.h | 54 | ||||
-rw-r--r-- | fluent-bit/plugins/in_udp/udp_config.c | 155 | ||||
-rw-r--r-- | fluent-bit/plugins/in_udp/udp_config.h | 28 | ||||
-rw-r--r-- | fluent-bit/plugins/in_udp/udp_conn.c | 500 | ||||
-rw-r--r-- | fluent-bit/plugins/in_udp/udp_conn.h | 57 |
7 files changed, 0 insertions, 997 deletions
diff --git a/fluent-bit/plugins/in_udp/CMakeLists.txt b/fluent-bit/plugins/in_udp/CMakeLists.txt deleted file mode 100644 index 0b623f169..000000000 --- a/fluent-bit/plugins/in_udp/CMakeLists.txt +++ /dev/null @@ -1,6 +0,0 @@ -set(src - udp.c - udp_conn.c - udp_config.c) - -FLB_PLUGIN(in_udp "${src}" "") diff --git a/fluent-bit/plugins/in_udp/udp.c b/fluent-bit/plugins/in_udp/udp.c deleted file mode 100644 index ad5a28497..000000000 --- a/fluent-bit/plugins/in_udp/udp.c +++ /dev/null @@ -1,197 +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_input_plugin.h> -#include <fluent-bit/flb_network.h> -#include <msgpack.h> - -#include "udp.h" -#include "udp_conn.h" -#include "udp_config.h" - -static int in_udp_collect(struct flb_input_instance *in, - struct flb_config *config, - void *in_context) -{ - struct flb_connection *connection; - struct flb_in_udp_config *ctx; - - ctx = in_context; - - connection = flb_downstream_conn_get(ctx->downstream); - - if (connection == NULL) { - flb_plg_error(ctx->ins, "could get UDP server dummy connection"); - - return -1; - } - - return udp_conn_event(connection); -} - -/* Initialize plugin */ -static int in_udp_init(struct flb_input_instance *in, - struct flb_config *config, void *data) -{ - struct flb_connection *connection; - unsigned short int port; - int ret; - struct flb_in_udp_config *ctx; - - (void) data; - - /* Allocate space for the configuration */ - ctx = udp_config_init(in); - - if (ctx == NULL) { - return -1; - } - - ctx->collector_id = -1; - ctx->ins = in; - - /* Set the context */ - flb_input_set_context(in, ctx); - - port = (unsigned short int) strtoul(ctx->port, NULL, 10); - - ctx->downstream = flb_downstream_create(FLB_TRANSPORT_UDP, - in->flags, - ctx->listen, - port, - in->tls, - config, - &in->net_setup); - - if (ctx->downstream == NULL) { - flb_plg_error(ctx->ins, - "could not initialize downstream on %s:%s. Aborting", - ctx->listen, ctx->port); - - udp_config_destroy(ctx); - - return -1; - } - - flb_input_downstream_set(ctx->downstream, ctx->ins); - - connection = flb_downstream_conn_get(ctx->downstream); - - if (connection == NULL) { - flb_plg_error(ctx->ins, "could not get UDP server dummy connection"); - - udp_config_destroy(ctx); - - return -1; - } - - ctx->dummy_conn = udp_conn_add(connection, ctx); - - if (ctx->dummy_conn == NULL) { - flb_plg_error(ctx->ins, "could not track UDP server dummy connection"); - - udp_config_destroy(ctx); - - return -1; - } - - /* Collect upon data available on the standard input */ - ret = flb_input_set_collector_socket(in, - in_udp_collect, - ctx->downstream->server_fd, - config); - if (ret == -1) { - flb_plg_error(ctx->ins, "Could not set collector for IN_UDP input plugin"); - udp_config_destroy(ctx); - - return -1; - } - - ctx->collector_id = ret; - ctx->collector_event = flb_input_collector_get_event(ret, in); - - if (ret == -1) { - flb_plg_error(ctx->ins, "Could not get collector event"); - udp_config_destroy(ctx); - - return -1; - } - - return 0; -} - -static int in_udp_exit(void *data, struct flb_config *config) -{ - struct flb_in_udp_config *ctx; - - (void) *config; - - ctx = data; - - if (ctx->dummy_conn != NULL) { - udp_conn_del(ctx->dummy_conn); - } - - udp_config_destroy(ctx); - - return 0; -} - -static struct flb_config_map config_map[] = { - { - FLB_CONFIG_MAP_STR, "format", (char *)NULL, - 0, FLB_TRUE, offsetof(struct flb_in_udp_config, format_name), - "Set the format: json or none" - }, - { - FLB_CONFIG_MAP_STR, "separator", (char *)NULL, - 0, FLB_TRUE, offsetof(struct flb_in_udp_config, raw_separator), - "Set separator" - }, - { - FLB_CONFIG_MAP_STR, "chunk_size", (char *)NULL, - 0, FLB_TRUE, offsetof(struct flb_in_udp_config, chunk_size_str), - "Set the chunk size" - }, - { - FLB_CONFIG_MAP_STR, "buffer_size", (char *)NULL, - 0, FLB_TRUE, offsetof(struct flb_in_udp_config, buffer_size_str), - "Set the buffer size" - }, - { - FLB_CONFIG_MAP_STR, "source_address_key", (char *) NULL, - 0, FLB_TRUE, offsetof(struct flb_in_udp_config, source_address_key), - "Key where the source address will be injected" - }, - /* EOF */ - {0} -}; - -/* Plugin reference */ -struct flb_input_plugin in_udp_plugin = { - .name = "udp", - .description = "UDP", - .cb_init = in_udp_init, - .cb_pre_run = NULL, - .cb_collect = in_udp_collect, - .cb_flush_buf = NULL, - .cb_exit = in_udp_exit, - .config_map = config_map, - .flags = FLB_INPUT_NET_SERVER, -}; diff --git a/fluent-bit/plugins/in_udp/udp.h b/fluent-bit/plugins/in_udp/udp.h deleted file mode 100644 index 1a7bfce30..000000000 --- a/fluent-bit/plugins/in_udp/udp.h +++ /dev/null @@ -1,54 +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. - */ - -#ifndef FLB_IN_UDP_H -#define FLB_IN_UDP_H - -#define FLB_UDP_FMT_JSON 0 /* default */ -#define FLB_UDP_FMT_NONE 1 /* no format, use delimiters */ - -#include <fluent-bit/flb_downstream.h> -#include <fluent-bit/flb_input.h> -#include <fluent-bit/flb_sds.h> -#include <fluent-bit/flb_log_event_encoder.h> -#include <msgpack.h> - -struct udp_conn; - -struct flb_in_udp_config { - struct mk_event *collector_event; - flb_sds_t format_name; /* Data format name */ - int format; /* Data format */ - size_t buffer_size; /* Buffer size for each reader */ - flb_sds_t buffer_size_str; /* Buffer size in string form */ - size_t chunk_size; /* Chunk allocation size */ - flb_sds_t chunk_size_str; /* Chunk size in string form */ - char *listen; /* Listen interface */ - char *port; /* Port */ - flb_sds_t raw_separator; /* Unescaped string delimiterr */ - flb_sds_t separator; /* String delimiter */ - flb_sds_t source_address_key; /* Source IP address */ - int collector_id; /* Listener collector id */ - struct flb_downstream *downstream; /* Client manager */ - struct udp_conn *dummy_conn; /* Datagram dummy connection */ - struct flb_input_instance *ins; /* Input plugin instace */ - struct flb_log_event_encoder *log_encoder; -}; - -#endif diff --git a/fluent-bit/plugins/in_udp/udp_config.c b/fluent-bit/plugins/in_udp/udp_config.c deleted file mode 100644 index ad2995490..000000000 --- a/fluent-bit/plugins/in_udp/udp_config.c +++ /dev/null @@ -1,155 +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_input_plugin.h> -#include <fluent-bit/flb_utils.h> -#include <fluent-bit/flb_unescape.h> - -#include "udp.h" -#include "udp_conn.h" -#include "udp_config.h" - -#include <stdlib.h> - -struct flb_in_udp_config *udp_config_init(struct flb_input_instance *ins) -{ - int ret; - int len; - char port[16]; - char *out; - struct flb_in_udp_config *ctx; - - /* Allocate plugin context */ - ctx = flb_calloc(1, sizeof(struct flb_in_udp_config)); - if (!ctx) { - flb_errno(); - return NULL; - } - ctx->ins = ins; - ctx->format = FLB_UDP_FMT_JSON; - - /* Load the config map */ - ret = flb_input_config_map_set(ins, (void *)ctx); - if (ret == -1) { - flb_plg_error(ins, "unable to load configuration"); - flb_free(ctx); - return NULL; - } - - /* Data format (expected payload) */ - if (ctx->format_name) { - if (strcasecmp(ctx->format_name, "json") == 0) { - ctx->format = FLB_UDP_FMT_JSON; - } - else if (strcasecmp(ctx->format_name, "none") == 0) { - ctx->format = FLB_UDP_FMT_NONE; - } - else { - flb_plg_error(ctx->ins, "unrecognized format value '%s'", ctx->format_name); - flb_free(ctx); - return NULL; - } - } - - /* String separator used to split records when using 'format none' */ - if (ctx->raw_separator) { - len = strlen(ctx->raw_separator); - out = flb_malloc(len + 1); - if (!out) { - flb_errno(); - flb_free(ctx); - return NULL; - } - ret = flb_unescape_string(ctx->raw_separator, len, &out); - if (ret <= 0) { - flb_plg_error(ctx->ins, "invalid separator"); - flb_free(out); - flb_free(ctx); - return NULL; - } - - ctx->separator = flb_sds_create_len(out, ret); - if (!ctx->separator) { - flb_free(out); - flb_free(ctx); - return NULL; - } - flb_free(out); - } - if (!ctx->separator) { - ctx->separator = flb_sds_create_len("\n", 1); - } - - /* Listen interface (if not set, defaults to 0.0.0.0:5170) */ - flb_input_net_default_listener("0.0.0.0", 5170, ins); - ctx->listen = ins->host.listen; - snprintf(port, sizeof(port) - 1, "%d", ins->host.port); - ctx->port = flb_strdup(port); - - /* Chunk size */ - if (ctx->chunk_size_str) { - /* Convert KB unit to Bytes */ - ctx->chunk_size = (atoi(ctx->chunk_size_str) * 1024); - } else { - ctx->chunk_size = atoi(FLB_IN_UDP_CHUNK); - } - - /* Buffer size */ - if (!ctx->buffer_size_str) { - ctx->buffer_size = ctx->chunk_size; - } - else { - /* Convert KB unit to Bytes */ - ctx->buffer_size = (atoi(ctx->buffer_size_str) * 1024); - } - - ctx->log_encoder = flb_log_event_encoder_create(FLB_LOG_EVENT_FORMAT_DEFAULT); - - if (ctx->log_encoder == NULL) { - flb_plg_error(ctx->ins, "could not initialize event encoder"); - udp_config_destroy(ctx); - - ctx = NULL; - } - - return ctx; -} - -int udp_config_destroy(struct flb_in_udp_config *ctx) -{ - if (ctx->log_encoder != NULL) { - flb_log_event_encoder_destroy(ctx->log_encoder); - } - - if (ctx->collector_id != -1) { - flb_input_collector_delete(ctx->collector_id, ctx->ins); - - ctx->collector_id = -1; - } - - if (ctx->downstream != NULL) { - flb_downstream_destroy(ctx->downstream); - } - - flb_sds_destroy(ctx->separator); - flb_free(ctx->port); - flb_free(ctx); - - return 0; -} diff --git a/fluent-bit/plugins/in_udp/udp_config.h b/fluent-bit/plugins/in_udp/udp_config.h deleted file mode 100644 index dcddb74a7..000000000 --- a/fluent-bit/plugins/in_udp/udp_config.h +++ /dev/null @@ -1,28 +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. - */ - -#ifndef FLB_IN_UDP_CONFIG_H -#define FLB_IN_UDP_CONFIG_H - -#include "udp.h" - -struct flb_in_udp_config *udp_config_init(struct flb_input_instance *i_ins); -int udp_config_destroy(struct flb_in_udp_config *config); - -#endif diff --git a/fluent-bit/plugins/in_udp/udp_conn.c b/fluent-bit/plugins/in_udp/udp_conn.c deleted file mode 100644 index d8cc4d5e6..000000000 --- a/fluent-bit/plugins/in_udp/udp_conn.c +++ /dev/null @@ -1,500 +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_input_plugin.h> -#include <fluent-bit/flb_utils.h> -#include <fluent-bit/flb_engine.h> -#include <fluent-bit/flb_network.h> -#include <fluent-bit/flb_pack.h> -#include <fluent-bit/flb_error.h> - -#include "udp.h" -#include "udp_conn.h" - -static inline void consume_bytes(char *buf, int bytes, int length) -{ - memmove(buf, buf + bytes, length - bytes); -} - -static int append_message_to_record_data(char **result_buffer, - size_t *result_size, - flb_sds_t message_key_name, - char *base_object_buffer, - size_t base_object_size, - char *message_buffer, - size_t message_size, - int message_type) -{ - int result = FLB_MAP_NOT_MODIFIED; - char *modified_data_buffer; - int modified_data_size; - msgpack_object_kv *new_map_entries[1]; - msgpack_object_kv message_entry; - *result_buffer = NULL; - *result_size = 0; - modified_data_buffer = NULL; - - if (message_key_name != NULL) { - new_map_entries[0] = &message_entry; - - message_entry.key.type = MSGPACK_OBJECT_STR; - message_entry.key.via.str.size = flb_sds_len(message_key_name); - message_entry.key.via.str.ptr = message_key_name; - - if (message_type == MSGPACK_OBJECT_BIN) { - message_entry.val.type = MSGPACK_OBJECT_BIN; - message_entry.val.via.bin.size = message_size; - message_entry.val.via.bin.ptr = message_buffer; - } - else if (message_type == MSGPACK_OBJECT_STR) { - message_entry.val.type = MSGPACK_OBJECT_STR; - message_entry.val.via.str.size = message_size; - message_entry.val.via.str.ptr = message_buffer; - } - else { - result = FLB_MAP_EXPANSION_INVALID_VALUE_TYPE; - } - - if (result == FLB_MAP_NOT_MODIFIED) { - result = flb_msgpack_expand_map(base_object_buffer, - base_object_size, - new_map_entries, 1, - &modified_data_buffer, - &modified_data_size); - if (result == 0) { - result = FLB_MAP_EXPAND_SUCCESS; - } - else { - result = FLB_MAP_EXPANSION_ERROR; - } - } - } - - if (result == FLB_MAP_EXPAND_SUCCESS) { - *result_buffer = modified_data_buffer; - *result_size = modified_data_size; - } - - return result; -} - -static inline int process_pack(struct udp_conn *conn, - char *pack, size_t size) -{ - int ret; - size_t off = 0; - msgpack_unpacked result; - msgpack_object entry; - msgpack_sbuffer sbuf; - msgpack_packer pck; - struct flb_in_udp_config *ctx; - char *appended_address_buffer; - size_t appended_address_size; - char *source_address; - int i; - int len; - - ctx = conn->ctx; - - flb_log_event_encoder_reset(ctx->log_encoder); - - /* First pack the results, iterate concatenated messages */ - msgpack_unpacked_init(&result); - while (msgpack_unpack_next(&result, pack, size, &off) == MSGPACK_UNPACK_SUCCESS) { - entry = result.data; - - appended_address_buffer = NULL; - source_address = NULL; - - ret = flb_log_event_encoder_begin_record(ctx->log_encoder); - - if (ret == FLB_EVENT_ENCODER_SUCCESS) { - ret = flb_log_event_encoder_set_current_timestamp(ctx->log_encoder); - } - - if (ctx->source_address_key != NULL) { - source_address = flb_connection_get_remote_address(conn->connection); - } - - if (ret == FLB_EVENT_ENCODER_SUCCESS) { - if (entry.type == MSGPACK_OBJECT_MAP) { - if (source_address != NULL) { - msgpack_sbuffer_init(&sbuf); - msgpack_packer_init(&pck, &sbuf, msgpack_sbuffer_write); - - len = entry.via.map.size; - msgpack_pack_map(&pck, len); - - for (i=0; i<len; i++) { - msgpack_pack_object(&pck, entry.via.map.ptr[i].key); - msgpack_pack_object(&pck, entry.via.map.ptr[i].val); - } - - ret = append_message_to_record_data(&appended_address_buffer, - &appended_address_size, - ctx->source_address_key, - sbuf.data, - sbuf.size, - source_address, - strlen(source_address), - MSGPACK_OBJECT_STR); - msgpack_sbuffer_destroy(&sbuf); - } - - if (ret == FLB_MAP_EXPANSION_ERROR) { - flb_plg_debug(ctx->ins, "error expanding source_address : %d", ret); - } - - if (appended_address_buffer != NULL) { - ret = flb_log_event_encoder_set_body_from_raw_msgpack( - ctx->log_encoder, appended_address_buffer, appended_address_size); - } - else { - ret = flb_log_event_encoder_set_body_from_msgpack_object( - ctx->log_encoder, &entry); - } - } - else if (entry.type == MSGPACK_OBJECT_ARRAY) { - if (source_address != NULL) { - ret = flb_log_event_encoder_append_body_values( - ctx->log_encoder, - FLB_LOG_EVENT_CSTRING_VALUE("msg"), - FLB_LOG_EVENT_MSGPACK_OBJECT_VALUE(&entry), - FLB_LOG_EVENT_CSTRING_VALUE(ctx->source_address_key), - FLB_LOG_EVENT_CSTRING_VALUE(source_address)); - } - else { - ret = flb_log_event_encoder_append_body_values( - ctx->log_encoder, - FLB_LOG_EVENT_CSTRING_VALUE("msg"), - FLB_LOG_EVENT_MSGPACK_OBJECT_VALUE(&entry)); - } - } - else { - ret = FLB_EVENT_ENCODER_ERROR_INVALID_VALUE_TYPE; - } - - if (ret == FLB_EVENT_ENCODER_SUCCESS) { - ret = flb_log_event_encoder_commit_record(ctx->log_encoder); - } - - if (appended_address_buffer != NULL) { - flb_free(appended_address_buffer); - } - - if (ret != FLB_EVENT_ENCODER_SUCCESS) { - break; - } - } - } - - msgpack_unpacked_destroy(&result); - - if (ret == FLB_EVENT_ENCODER_SUCCESS) { - flb_input_log_append(conn->ins, NULL, 0, - ctx->log_encoder->output_buffer, - ctx->log_encoder->output_length); - ret = 0; - } - else { - flb_plg_error(ctx->ins, "log event encoding error : %d", ret); - - ret = -1; - } - - return ret; -} - -/* Process a JSON payload, return the number of processed bytes */ -static ssize_t parse_payload_json(struct udp_conn *conn) -{ - int ret; - int out_size; - char *pack; - - ret = flb_pack_json_state(conn->buf_data, conn->buf_len, - &pack, &out_size, &conn->pack_state); - if (ret == FLB_ERR_JSON_PART) { - flb_plg_debug(conn->ins, "JSON incomplete, waiting for more data..."); - return 0; - } - else if (ret == FLB_ERR_JSON_INVAL) { - flb_plg_warn(conn->ins, "invalid JSON message, skipping"); - conn->buf_len = 0; - conn->pack_state.multiple = FLB_TRUE; - return -1; - } - else if (ret == -1) { - return -1; - } - - /* Process the packaged JSON and return the last byte used */ - process_pack(conn, pack, out_size); - flb_free(pack); - - return conn->pack_state.last_byte; -} - -/* - * Process a raw text payload, uses the delimited character to split records, - * return the number of processed bytes - */ -static ssize_t parse_payload_none(struct udp_conn *conn) -{ - int ret; - int len; - int sep_len; - size_t consumed = 0; - char *buf; - char *s; - char *separator; - struct flb_in_udp_config *ctx; - - ctx = conn->ctx; - - separator = conn->ctx->separator; - sep_len = flb_sds_len(conn->ctx->separator); - - buf = conn->buf_data; - ret = FLB_EVENT_ENCODER_SUCCESS; - - flb_log_event_encoder_reset(ctx->log_encoder); - - while ((s = strstr(buf, separator))) { - len = (s - buf); - if (len == 0) { - break; - } - else if (len > 0) { - ret = flb_log_event_encoder_begin_record(ctx->log_encoder); - - if (ret == FLB_EVENT_ENCODER_SUCCESS) { - ret = flb_log_event_encoder_set_current_timestamp(ctx->log_encoder); - } - - if (ret == FLB_EVENT_ENCODER_SUCCESS) { - ret = flb_log_event_encoder_append_body_values( - ctx->log_encoder, - FLB_LOG_EVENT_CSTRING_VALUE("log"), - FLB_LOG_EVENT_STRING_VALUE(buf, len)); - } - - if (ret == FLB_EVENT_ENCODER_SUCCESS) { - ret = flb_log_event_encoder_commit_record(ctx->log_encoder); - } - - if (ret != FLB_EVENT_ENCODER_SUCCESS) { - break; - } - - consumed += len + 1; - buf += len + sep_len; - } - else { - break; - } - } - - if (ret == FLB_EVENT_ENCODER_SUCCESS) { - flb_input_log_append(conn->ins, NULL, 0, - ctx->log_encoder->output_buffer, - ctx->log_encoder->output_length); - } - else { - flb_plg_error(ctx->ins, "log event encoding error : %d", ret); - } - - return consumed; -} - -/* Callback invoked every time an event is triggered for a connection */ -int udp_conn_event(void *data) -{ - int bytes; - int available; - int size; - ssize_t ret_payload = -1; - char *tmp; - struct udp_conn *conn; - struct flb_connection *connection; - struct flb_in_udp_config *ctx; - - connection = (struct flb_connection *) data; - - conn = connection->user_data; - - ctx = conn->ctx; - - if (ctx->format == FLB_UDP_FMT_JSON && - conn->buf_len > 0) { - flb_pack_state_reset(&conn->pack_state); - flb_pack_state_init(&conn->pack_state); - - conn->pack_state.multiple = FLB_TRUE; - } - - conn->buf_len = 0; - - available = (conn->buf_size - conn->buf_len) - 1; - if (available < 1) { - if (conn->buf_size + ctx->chunk_size > ctx->buffer_size) { - flb_plg_trace(ctx->ins, - "fd=%i incoming data exceed limit (%zu KB)", - connection->fd, (ctx->buffer_size / 1024)); - return -1; - } - - size = conn->buf_size + ctx->chunk_size; - tmp = flb_realloc(conn->buf_data, size); - if (!tmp) { - flb_errno(); - return -1; - } - flb_plg_trace(ctx->ins, "fd=%i buffer realloc %i -> %i", - connection->fd, conn->buf_size, size); - - conn->buf_data = tmp; - conn->buf_size = size; - available = (conn->buf_size - conn->buf_len) - 1; - } - - /* Read data */ - bytes = flb_io_net_read(connection, - (void *) &conn->buf_data[conn->buf_len], - available); - - if (bytes <= 0) { - return -1; - } - - flb_plg_trace(ctx->ins, "read()=%i pre_len=%i now_len=%i", - bytes, conn->buf_len, conn->buf_len + bytes); - conn->buf_len += bytes; - conn->buf_data[conn->buf_len] = '\0'; - - /* Strip CR or LF if found at first byte */ - if (conn->buf_data[0] == '\r' || conn->buf_data[0] == '\n') { - /* Skip message with one byte with CR or LF */ - flb_plg_trace(ctx->ins, "skip one byte message with ASCII code=%i", - conn->buf_data[0]); - consume_bytes(conn->buf_data, 1, conn->buf_len); - conn->buf_len--; - conn->buf_data[conn->buf_len] = '\0'; - } - - /* JSON Format handler */ - if (ctx->format == FLB_UDP_FMT_JSON) { - ret_payload = parse_payload_json(conn); - if (ret_payload == 0) { - /* Incomplete JSON message, we need more data */ - return -1; - } - else if (ret_payload == -1) { - flb_pack_state_reset(&conn->pack_state); - flb_pack_state_init(&conn->pack_state); - conn->pack_state.multiple = FLB_TRUE; - return -1; - } - } - else if (ctx->format == FLB_UDP_FMT_NONE) { - ret_payload = parse_payload_none(conn); - if (ret_payload == 0) { - return -1; - } - else if (ret_payload == -1) { - conn->buf_len = 0; - return -1; - } - } - - consume_bytes(conn->buf_data, ret_payload, conn->buf_len); - conn->buf_len -= ret_payload; - conn->buf_data[conn->buf_len] = '\0'; - - if (ctx->format == FLB_UDP_FMT_JSON) { - jsmn_init(&conn->pack_state.parser); - conn->pack_state.tokens_count = 0; - conn->pack_state.last_byte = 0; - conn->pack_state.buf_len = 0; - } - - return bytes; -} - -struct udp_conn *udp_conn_add(struct flb_connection *connection, - struct flb_in_udp_config *ctx) -{ - struct udp_conn *conn; - - conn = flb_malloc(sizeof(struct udp_conn)); - if (!conn) { - flb_errno(); - return NULL; - } - - conn->connection = connection; - - /* Set data for the event-loop */ - - MK_EVENT_NEW(&connection->event); - - connection->user_data = conn; - connection->event.type = FLB_ENGINE_EV_CUSTOM; - connection->event.handler = udp_conn_event; - - /* Connection info */ - conn->ctx = ctx; - conn->buf_len = 0; - - conn->buf_data = flb_malloc(ctx->chunk_size); - if (!conn->buf_data) { - flb_errno(); - - flb_plg_error(ctx->ins, "could not allocate new connection"); - flb_free(conn); - - return NULL; - } - conn->buf_size = ctx->chunk_size; - conn->ins = ctx->ins; - - /* Initialize JSON parser */ - if (ctx->format == FLB_UDP_FMT_JSON) { - flb_pack_state_init(&conn->pack_state); - conn->pack_state.multiple = FLB_TRUE; - } - - return conn; -} - -int udp_conn_del(struct udp_conn *conn) -{ - struct flb_in_udp_config *ctx; - - ctx = conn->ctx; - - if (ctx->format == FLB_UDP_FMT_JSON) { - flb_pack_state_reset(&conn->pack_state); - } - - flb_free(conn->buf_data); - flb_free(conn); - - return 0; -} diff --git a/fluent-bit/plugins/in_udp/udp_conn.h b/fluent-bit/plugins/in_udp/udp_conn.h deleted file mode 100644 index 25b8ef3ef..000000000 --- a/fluent-bit/plugins/in_udp/udp_conn.h +++ /dev/null @@ -1,57 +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. - */ - -#ifndef FLB_IN_UDP_CONN_H -#define FLB_IN_UDP_CONN_H - -#include <fluent-bit/flb_pack.h> -#include <fluent-bit/flb_connection.h> - -#define FLB_IN_UDP_CHUNK "32768" - -#define FLB_MAP_EXPAND_SUCCESS 0 -#define FLB_MAP_NOT_MODIFIED -1 -#define FLB_MAP_EXPANSION_ERROR -2 -#define FLB_MAP_EXPANSION_INVALID_VALUE_TYPE -3 - -struct udp_conn_stream { - char *tag; - size_t tag_len; -}; - -/* Respresents a connection */ -struct udp_conn { - /* Buffer */ - char *buf_data; /* Buffer data */ - int buf_len; /* Data length */ - int buf_size; /* Buffer size */ - - struct flb_input_instance *ins; /* Parent plugin instance */ - struct flb_in_udp_config *ctx; /* Plugin configuration context */ - struct flb_pack_state pack_state; /* Internal JSON parser */ - struct flb_connection *connection; - - struct mk_list _head; -}; - -struct udp_conn *udp_conn_add(struct flb_connection *connection, struct flb_in_udp_config *ctx); -int udp_conn_del(struct udp_conn *conn); -int udp_conn_event(void *data); - -#endif |