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Diffstat (limited to 'src/fluent-bit/plugins/out_websocket/websocket.c')
-rw-r--r--src/fluent-bit/plugins/out_websocket/websocket.c331
1 files changed, 0 insertions, 331 deletions
diff --git a/src/fluent-bit/plugins/out_websocket/websocket.c b/src/fluent-bit/plugins/out_websocket/websocket.c
deleted file mode 100644
index 6a196e16d..000000000
--- a/src/fluent-bit/plugins/out_websocket/websocket.c
+++ /dev/null
@@ -1,331 +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_info.h>
-#include <fluent-bit/flb_output.h>
-#include <fluent-bit/flb_utils.h>
-#include <fluent-bit/flb_network.h>
-#include <fluent-bit/flb_time.h>
-#include <fluent-bit/flb_upstream.h>
-#include <fluent-bit/flb_crypto.h>
-#include <fluent-bit/flb_pack.h>
-#include <fluent-bit/flb_sds.h>
-#include <fluent-bit/flb_http_client.h>
-#include <fluent-bit/flb_config_map.h>
-#include <msgpack.h>
-
-#include "websocket.h"
-#include "websocket_conf.h"
-struct flb_output_plugin out_websocket_plugin;
-
-#define SECURED_BY "Fluent Bit"
-
-
-static int flb_ws_handshake(struct flb_connection *u_conn,
- struct flb_out_ws *ctx)
-{
- int ret;
- size_t bytes_sent;
- struct flb_http_client *c;
-
- if (!u_conn) {
- flb_error("[output_ws] upstream connection error");
- return -1;
- }
-
- /* Compose HTTP Client request */
- c = flb_http_client(u_conn, FLB_HTTP_GET, ctx->uri,
- NULL, 0, NULL, 0, NULL, 0);
- if (!c) {
- flb_upstream_conn_release(u_conn);
- return -1;
- }
-
- flb_http_buffer_size(c, ctx->buffer_size);
- flb_http_add_header(c, "Upgrade", 7, "websocket", 9);
- flb_http_add_header(c, "Connection", 10, "Upgrade", 7);
- flb_http_add_header(c, "Sec-WebSocket-Key", 17, "dGhlIHNhbXBsZSBub25jZQ==", 24);
- flb_http_add_header(c, "Sec-WebSocket-Version", 21, "13", 2);
-
- /* Perform request*/
- ret = flb_http_do(c, &bytes_sent);
-
- if (ret != 0 || c->resp.status != 101) {
- if (c->resp.payload_size > 0) {
- flb_debug("[output_ws] Websocket Server Response\n%s",
- c->resp.payload);
- }
- flb_http_client_destroy(c);
- flb_upstream_conn_release(u_conn);
- flb_debug("[out_ws] Http Get Operation ret = %i, http resp = %i", ret, c->resp.status);
- return -1;
- }
- flb_http_client_destroy(c);
- return 0;
-}
-
-static void flb_ws_mask(char *data, int len, char *mask)
-{
- int i;
- for (i=0;i<len;++i) {
- *(data+i) ^= *(mask+(i%4));
- }
-}
-
-static int flb_ws_sendDataFrameHeader(struct flb_connection *u_conn,
- struct flb_out_ws *ctx, const void *data, size_t bytes)
-{
- int ret = -1;
- char* data_frame_head;
- size_t bytes_sent;
- int data_frame_head_len = 0;
- //TODO use random function to generate masking_key
- char masking_key[4] = {0x12, 0x34, 0x56, 0x78};
- unsigned long long payloadSize = bytes;
-
- flb_ws_mask((char *)data, payloadSize, masking_key);
- if (payloadSize < 126) {
- data_frame_head = (char *)flb_malloc(6);
- if (!data_frame_head) {
- flb_errno();
- return -1;
- }
- data_frame_head[0] = 0x81;
- data_frame_head[1] = (payloadSize & 0xff) | 0x80;
- data_frame_head[2] = masking_key[0];
- data_frame_head[3] = masking_key[1];
- data_frame_head[4] = masking_key[2];
- data_frame_head[5] = masking_key[3];
- data_frame_head_len = 6;
- }
- else if (payloadSize < 65536) {
- data_frame_head = (char *)flb_malloc(8);
- if (!data_frame_head) {
- flb_errno();
- return -1;
- }
- data_frame_head[0] = 0x81;
- data_frame_head[1] = 126 | 0x80;
- data_frame_head[2] = (payloadSize >> 8) & 0xff;
- data_frame_head[3] = (payloadSize >> 0) & 0xff;
- data_frame_head[4] = masking_key[0];
- data_frame_head[5] = masking_key[1];
- data_frame_head[6] = masking_key[2];
- data_frame_head[7] = masking_key[3];
- data_frame_head_len = 8;
- }
- else {
- data_frame_head = (char *)flb_malloc(14);
- if (!data_frame_head) {
- flb_errno();
- return -1;
- }
- data_frame_head[0] = 0x81;
- data_frame_head[1] = 127 | 0x80;
- data_frame_head[2] = (payloadSize >> 56) & 0xff;
- data_frame_head[3] = (payloadSize >> 48) & 0xff;
- data_frame_head[4] = (payloadSize >> 40) & 0xff;
- data_frame_head[5] = (payloadSize >> 32) & 0xff;
- data_frame_head[6] = (payloadSize >> 24) & 0xff;
- data_frame_head[7] = (payloadSize >> 16) & 0xff;
- data_frame_head[8] = (payloadSize >> 8) & 0xff;
- data_frame_head[9] = (payloadSize >> 0) & 0xff;
- data_frame_head[10] = masking_key[0];
- data_frame_head[11] = masking_key[1];
- data_frame_head[12] = masking_key[2];
- data_frame_head[13] = masking_key[3];
- data_frame_head_len = 14;
- }
- ret = flb_io_net_write(u_conn, data_frame_head, data_frame_head_len, &bytes_sent);
- if (ret == -1) {
- flb_error("[out_ws] could not write dataframe header");
- goto error;
- }
- flb_free(data_frame_head);
- return 0;
-
-error:
- flb_free(data_frame_head);
- return -1;
-}
-
-static int cb_ws_init(struct flb_output_instance *ins,
- struct flb_config *config, void *data)
-{
- struct flb_out_ws *ctx = NULL;
-
- ctx = flb_ws_conf_create(ins, config);
- if (!ctx) {
- return -1;
- }
-
- ctx->handshake = 1;
- ctx->last_input_timestamp = time(NULL);
- flb_output_set_context(ins, ctx);
- return 0;
-}
-
-static int cb_ws_exit(void *data, struct flb_config *config)
-{
- struct flb_out_ws *ctx = data;
- flb_ws_conf_destroy(ctx);
- return 0;
-}
-
-static void cb_ws_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 ret = -1;
- size_t bytes_sent;
- flb_sds_t json = NULL;
- struct flb_upstream *u;
- struct flb_connection *u_conn;
- struct flb_out_ws *ctx = out_context;
- time_t now;
-
- /* Get upstream context and connection */
- u = ctx->u;
- u_conn = flb_upstream_conn_get(u);
-
- if (!u_conn) {
- flb_error("[out_ws] no upstream connections available to %s:%i", u->tcp_host, u->tcp_port);
- ctx->handshake = 1;
- FLB_OUTPUT_RETURN(FLB_RETRY);
- }
-
- now = time(NULL);
-
- //TODO how to determine the interval? conn disconnet is about 30 sec, so we set 20 ssecnds here.
- flb_debug("[out_ws] interval is %ld and handshake is %d", now - ctx->last_input_timestamp, ctx->handshake);
- if ((now - ctx->last_input_timestamp > ctx->idle_interval) && (ctx->handshake == 0)) {
- ctx->handshake = 1;
- flb_upstream_conn_release(u_conn);
- FLB_OUTPUT_RETURN(FLB_RETRY);
- }
- ctx->last_input_timestamp = now;
-
- if (ctx->handshake == 1) {
- /* Handshake with websocket server*/
- flb_info("[out_ws] handshake for ws");
- ret = flb_ws_handshake(u_conn, ctx);
- if (ret == -1) {
- flb_upstream_conn_release(u_conn);
- FLB_OUTPUT_RETURN(FLB_RETRY);
- }
- ctx->handshake = 0;
- }
-
- /* Data format process*/
- if (ctx->out_format != FLB_PACK_JSON_FORMAT_NONE) {
- json = flb_pack_msgpack_to_json_format(event_chunk->data,
- event_chunk->size,
- ctx->out_format,
- ctx->json_date_format,
- ctx->json_date_key);
-
- if (!json) {
- flb_error("[out_ws] error formatting JSON payload");
- flb_upstream_conn_release(u_conn);
- FLB_OUTPUT_RETURN(FLB_ERROR);
- }
- }
-
- /* Write message header */
- if (ctx->out_format == FLB_PACK_JSON_FORMAT_NONE) {
- ret = flb_ws_sendDataFrameHeader(u_conn, ctx,
- event_chunk->data,
- event_chunk->size);
- }
- else {
- ret = flb_ws_sendDataFrameHeader(u_conn, ctx, json, flb_sds_len(json));
- }
-
- if (ret == -1) {
- flb_error("[out_ws] dataFrameHeader sent failed");
- ctx->handshake = 1;
- if (json) {
- flb_sds_destroy(json);
- }
- flb_upstream_conn_release(u_conn);
- FLB_OUTPUT_RETURN(FLB_RETRY);
- }
-
- /* Write message body*/
- if (ctx->out_format == FLB_PACK_JSON_FORMAT_NONE) {
- ret = flb_io_net_write(u_conn,
- event_chunk->data,
- event_chunk->size,
- &bytes_sent);
- }
- else {
- ret = flb_io_net_write(u_conn, json, flb_sds_len(json), &bytes_sent);
- flb_sds_destroy(json);
- }
-
- //flb_info("[out_ws] sendDataFrame number of bytes sent = %i", ret);
- if (ret == -1) {
- ctx->handshake = 1;
- flb_upstream_conn_release(u_conn);
- FLB_OUTPUT_RETURN(FLB_RETRY);
- }
-
- /* Release the connection */
- flb_upstream_conn_release(u_conn);
- FLB_OUTPUT_RETURN(FLB_OK);
-}
-
-/* Configuration properties map */
-static struct flb_config_map config_map[] = {
- {
- FLB_CONFIG_MAP_STR, "uri", NULL,
- 0, FLB_TRUE, offsetof(struct flb_out_ws, uri),
- "Specify an optional URI for the target web socket server, e.g: /something"
- },
- {
- FLB_CONFIG_MAP_STR, "format", NULL,
- 0, FLB_FALSE, 0,
- "Set desired payload format: json, json_stream, json_lines, gelf or msgpack"
- },
- {
- FLB_CONFIG_MAP_STR, "json_date_format", "double",
- 0, FLB_FALSE, 0,
- "Specify the format of the date"
- },
- {
- FLB_CONFIG_MAP_STR, "json_date_key", "date",
- 0, FLB_TRUE, offsetof(struct flb_out_ws, json_date_key),
- "Specify the name of the date field in output"
- },
- /* EOF */
- {0}
-};
-
-/* Plugin reference */
-struct flb_output_plugin out_websocket_plugin = {
- .name = "websocket",
- .description = "Websocket",
- .cb_init = cb_ws_init,
- .cb_flush = cb_ws_flush,
- .cb_exit = cb_ws_exit,
- .config_map = config_map,
- .flags = FLB_OUTPUT_NET | FLB_IO_OPT_TLS,
-};
generated by cgit v1.2.3 (git 2.39.1) at 2024-10-24 08:36:33 +0000