2018-08-12 13:46:08 +00:00
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/*
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2019-05-11 03:44:28 +00:00
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Copyright (c) 2014-2019, The Monero Project
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2018-08-12 13:46:08 +00:00
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2019-05-11 03:44:28 +00:00
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All rights reserved.
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2018-08-12 13:46:08 +00:00
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2019-05-11 03:44:28 +00:00
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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2018-08-12 13:46:08 +00:00
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2019-05-11 03:44:28 +00:00
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2018-08-12 13:46:08 +00:00
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2019-05-11 03:44:28 +00:00
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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2018-08-12 13:46:08 +00:00
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2019-05-11 03:44:28 +00:00
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3. Neither the name of the copyright holder nor the names of its contributors
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may be used to endorse or promote products derived from this software without
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specific prior written permission.
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2018-08-12 13:46:08 +00:00
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2019-05-11 03:44:28 +00:00
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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2018-08-12 13:46:08 +00:00
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2019-05-11 03:44:28 +00:00
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Parts of the project are originally copyright (c) 2012-2013 The Cryptonote
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developers.
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2018-08-12 13:46:08 +00:00
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*/
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2019-03-03 20:26:11 +00:00
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#define __STDC_FORMAT_MACROS
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#include <inttypes.h>
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2018-08-12 13:46:08 +00:00
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#include <unistd.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <pthread.h>
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2020-01-04 02:14:42 +00:00
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#include <event2/event.h>
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#include <event2/buffer.h>
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#include <event2/http.h>
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2018-08-12 13:46:08 +00:00
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#include "log.h"
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#include "pool.h"
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#include "webui.h"
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extern unsigned char webui_html[];
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extern unsigned int webui_html_len;
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2020-01-04 02:14:42 +00:00
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static pthread_t handle;
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static struct event_base *webui_base;
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static struct evhttp *webui_httpd;
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static struct evhttp_bound_socket *webui_listener;
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2018-08-12 13:46:08 +00:00
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2020-01-04 02:14:42 +00:00
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static void
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send_json_stats(struct evhttp_request *req, void *arg)
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2018-08-12 13:46:08 +00:00
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{
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2020-01-04 02:14:42 +00:00
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struct evbuffer *buf = evhttp_request_get_output_buffer(req);
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wui_context_t *context = (wui_context_t*) arg;
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struct evkeyvalq *hdrs_in = NULL;
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struct evkeyvalq *hdrs_out = NULL;
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2018-08-12 13:46:08 +00:00
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uint64_t ph = context->pool_stats->pool_hashrate;
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2019-03-03 20:26:11 +00:00
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uint64_t nh = context->pool_stats->network_hashrate;
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2020-01-17 12:40:09 +00:00
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uint64_t nd = context->pool_stats->network_difficulty;
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2019-05-04 04:00:27 +00:00
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uint64_t height = context->pool_stats->network_height;
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2019-05-12 16:50:40 +00:00
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uint64_t ltf = context->pool_stats->last_template_fetched;
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2019-03-03 20:26:11 +00:00
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uint64_t lbf = context->pool_stats->last_block_found;
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uint32_t pbf = context->pool_stats->pool_blocks_found;
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2020-01-17 12:40:09 +00:00
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uint64_t rh = context->pool_stats->round_hashes;
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2019-07-05 21:28:04 +00:00
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unsigned ss = context->allow_self_select;
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2019-03-03 20:26:11 +00:00
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uint64_t mh = 0;
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double mb = 0.0;
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2020-01-04 02:14:42 +00:00
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hdrs_in = evhttp_request_get_input_headers(req);
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const char *cookies = evhttp_find_header(hdrs_in, "Cookie");
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2020-01-05 21:54:22 +00:00
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if (cookies)
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2018-08-12 13:46:08 +00:00
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{
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2020-01-05 21:54:22 +00:00
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char *wa = strstr(cookies, "wa=");
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if (wa)
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{
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wa += 3;
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mh = miner_hr(wa);
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uint64_t balance = miner_balance(wa);
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mb = (double) balance / 1000000000000.0;
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}
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2018-08-12 13:46:08 +00:00
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}
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2020-01-04 02:14:42 +00:00
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evbuffer_add_printf(buf, "{"
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2019-03-03 20:26:11 +00:00
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"\"pool_hashrate\":%"PRIu64","
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2020-01-17 12:40:09 +00:00
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"\"round_hashes\":%"PRIu64","
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2019-03-03 20:26:11 +00:00
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"\"network_hashrate\":%"PRIu64","
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2020-01-17 12:40:09 +00:00
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"\"network_difficulty\":%"PRIu64","
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2019-05-04 04:00:27 +00:00
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"\"network_height\":%"PRIu64","
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2019-05-12 16:50:40 +00:00
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"\"last_template_fetched\":%"PRIu64","
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2019-03-03 20:26:11 +00:00
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"\"last_block_found\":%"PRIu64","
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"\"pool_blocks_found\":%d,"
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"\"payment_threshold\":%.2f,"
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2019-05-12 21:31:54 +00:00
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"\"pool_fee\":%.3f,"
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2019-03-03 20:26:11 +00:00
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"\"pool_port\":%d,"
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2020-01-05 22:53:51 +00:00
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"\"pool_ssl_port\":%d,"
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2019-07-05 21:28:04 +00:00
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"\"allow_self_select\":%u,"
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2019-03-03 20:26:11 +00:00
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"\"connected_miners\":%d,"
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"\"miner_hashrate\":%"PRIu64","
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"\"miner_balance\":%.8f"
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2020-01-17 12:40:09 +00:00
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"}", ph, rh, nh, nd, height, ltf, lbf, pbf,
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2019-03-03 20:26:11 +00:00
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context->payment_threshold, context->pool_fee,
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2020-01-05 22:53:51 +00:00
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context->pool_port, context->pool_ssl_port,
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ss, context->pool_stats->connected_miners,
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2019-03-03 20:26:11 +00:00
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mh, mb);
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2020-01-04 02:14:42 +00:00
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hdrs_out = evhttp_request_get_output_headers(req);
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evhttp_add_header(hdrs_out, "Content-Type", "application/json");
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evhttp_send_reply(req, HTTP_OK, "OK", buf);
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2018-08-12 13:46:08 +00:00
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}
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2020-01-04 02:14:42 +00:00
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static void
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process_request(struct evhttp_request *req, void *arg)
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2019-03-03 20:26:11 +00:00
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{
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2020-01-04 02:14:42 +00:00
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const char *url = evhttp_request_get_uri(req);
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struct evbuffer *buf = NULL;
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struct evkeyvalq *hdrs_out = NULL;
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2019-03-03 20:26:11 +00:00
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if (strstr(url, "/stats") != NULL)
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2020-01-04 02:14:42 +00:00
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{
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send_json_stats(req, arg);
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return;
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}
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buf = evhttp_request_get_output_buffer(req);
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evbuffer_add(buf, webui_html, webui_html_len);
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hdrs_out = evhttp_request_get_output_headers(req);
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evhttp_add_header(hdrs_out, "Content-Type", "text/html");
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evhttp_send_reply(req, HTTP_OK, "OK", buf);
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}
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static void *
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thread_main(void *ctx)
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{
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wui_context_t *context = (wui_context_t*) ctx;
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webui_listener = evhttp_bind_socket_with_handle(
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webui_httpd, "0.0.0.0", context->port);
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if(!webui_listener)
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{
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2020-01-06 00:42:25 +00:00
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log_error("Failed to bind for port: %u", context->port);
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2020-01-04 02:14:42 +00:00
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return 0;
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}
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evhttp_set_gencb(webui_httpd, process_request, ctx);
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event_base_dispatch(webui_base);
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event_base_free(webui_base);
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return 0;
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2019-03-03 20:26:11 +00:00
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}
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2018-08-12 13:46:08 +00:00
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int
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start_web_ui(wui_context_t *context)
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{
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log_debug("Starting Web UI");
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2020-01-04 02:14:42 +00:00
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if (webui_base || handle)
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{
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log_error("Already running");
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return -1;
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}
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webui_base = event_base_new();
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if (!webui_base)
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{
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2020-01-06 00:42:25 +00:00
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log_error("Failed to create httpd event base");
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return -1;
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2020-01-04 02:14:42 +00:00
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}
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webui_httpd = evhttp_new(webui_base);
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if (!webui_httpd)
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{
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2020-01-06 00:42:25 +00:00
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log_error("Failed to create evhttp event");
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return -1;
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2020-01-04 02:14:42 +00:00
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}
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int rc = pthread_create(&handle, NULL, thread_main, context);
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if (!rc)
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pthread_detach(handle);
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return rc;
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2018-08-12 13:46:08 +00:00
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}
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void
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2019-05-11 22:00:50 +00:00
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stop_web_ui(void)
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2018-08-12 13:46:08 +00:00
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{
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log_debug("Stopping Web UI");
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2020-01-04 02:14:42 +00:00
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if (webui_listener && webui_httpd)
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evhttp_del_accept_socket(webui_httpd, webui_listener);
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if (webui_httpd)
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evhttp_free(webui_httpd);
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if (webui_base)
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event_base_loopbreak(webui_base);
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2018-08-12 13:46:08 +00:00
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}
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