2018-08-12 13:46:08 +00:00
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/*
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Copyright (c) 2014-2018, The Monero Project
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification, are
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permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this list of
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conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice, this list
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of conditions and the following disclaimer in the documentation and/or other
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materials provided with the distribution.
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3. Neither the name of the copyright holder nor the names of its contributors may be
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used to endorse or promote products derived from this software without specific
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prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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Parts of the project are originally copyright (c) 2012-2013 The Cryptonote developers
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*/
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#include <assert.h>
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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 <errno.h>
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#include <sys/types.h>
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#include <sys/select.h>
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#include <sys/socket.h>
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#include <microhttpd.h>
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#include <pthread.h>
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#include <lmdb.h>
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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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#define TAG_MAX 17
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#define PAGE_MAX 4096
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extern unsigned char webui_html[];
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extern unsigned int webui_html_len;
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static struct MHD_Daemon *mhd_daemon;
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static char page_buffer[PAGE_MAX];
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static char MINERS_CONNECTED[] = "{{MINERS_CONNECTED}}";
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static char LAST_BLOCK_FOUND[] = "{{LAST_BLOCK_FOUND}}";
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static char NETWORK_HASHRATE[] = "{{NETWORK_HASHRATE}}";
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static char POOL_HASHRATE[] = "{{POOL_HASHRATE}}";
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static char MINER_HASHRATE[] = "{{MINER_HASHRATE}}";
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static char POOL_BLOCKS_FOUND[] = "{{POOL_BLOCKS_FOUND}}";
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static char PAYMENT_THRESHOLD[] = "{{PAYMENT_THRESHOLD}}";
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static char POOL_FEE[] = "{{POOL_FEE}}";
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static char MINER_BALANCE_DUE[] = "{{MINER_BALANCE_DUE}}";
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static void
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format_hashrate(uint64_t hashrate, char* output, size_t len)
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{
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if (hashrate < 1000)
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snprintf(output, len, "%d H/s", (int) hashrate);
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else if (hashrate < 1000000)
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snprintf(output, len, "%.2f KH/s", (double) hashrate / 1000.0);
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else if (hashrate < 1000000000000)
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snprintf(output, len, "%.2f MH/s", (double) hashrate / 1000000.0);
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else
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snprintf(output, len, "%.2f GH/s", (double) hashrate / 1000000000000.0);
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}
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int
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answer_to_connection (void *cls, struct MHD_Connection *connection,
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const char *url,
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const char *method, const char *version,
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const char *upload_data,
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size_t *upload_data_size, void **con_cls)
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{
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static char temp[TAG_MAX];
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struct MHD_Response *response;
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int ret;
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wui_context_t *context = (wui_context_t*) cls;
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memset(page_buffer, 0, PAGE_MAX);
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memcpy(page_buffer, webui_html, webui_html_len);
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char *p = strstr(page_buffer, MINERS_CONNECTED);
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memset(p, ' ', strlen(MINERS_CONNECTED));
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sprintf(temp, "%d", context->pool_stats->connected_miners);
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memcpy(p, temp, strlen(temp));
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time_t now = time(NULL);
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double diff = difftime(now, context->pool_stats->last_block_found);
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2018-08-15 14:18:32 +00:00
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if (context->pool_stats->last_block_found == 0)
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snprintf(temp, TAG_MAX, "None yet");
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else if (diff < 60)
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2018-08-12 13:46:08 +00:00
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snprintf(temp, TAG_MAX, "%d seconds ago", (int) diff);
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else if (diff < 3600)
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snprintf(temp, TAG_MAX, "%d minutes ago", (int) diff / 60);
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else if (diff < 86400)
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snprintf(temp, TAG_MAX, "%d hours ago", (int) diff / 3600);
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else
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snprintf(temp, TAG_MAX, "%d days ago", (int) diff / 86400);
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p = strstr(page_buffer, LAST_BLOCK_FOUND);
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memset(p, ' ', strlen(LAST_BLOCK_FOUND));
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memcpy(p, temp, strlen(temp));
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uint64_t nh = context->pool_stats->network_hashrate;
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format_hashrate(nh, temp, TAG_MAX);
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p = strstr(page_buffer, NETWORK_HASHRATE);
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memset(p, ' ', strlen(NETWORK_HASHRATE));
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memcpy(p, temp, strlen(temp));
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uint64_t ph = context->pool_stats->pool_hashrate;
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format_hashrate(ph, temp, TAG_MAX);
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p = strstr(page_buffer, POOL_HASHRATE);
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memset(p, ' ', strlen(POOL_HASHRATE));
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memcpy(p, temp, strlen(temp));
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sprintf(temp, "%d", context->pool_stats->pool_blocks_found);
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p = strstr(page_buffer, POOL_BLOCKS_FOUND);
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memset(p, ' ', strlen(POOL_BLOCKS_FOUND));
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memcpy(p, temp, strlen(temp));
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p = strstr(page_buffer, PAYMENT_THRESHOLD);
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memset(p, ' ', strlen(PAYMENT_THRESHOLD));
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sprintf(temp, "%.2f", context->payment_threshold);
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memcpy(p, temp, strlen(temp));
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p = strstr(page_buffer, POOL_FEE);
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memset(p, ' ', strlen(POOL_FEE));
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sprintf(temp, "%.2f", context->pool_fee);
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memcpy(p, temp, strlen(temp));
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const char *wa = MHD_lookup_connection_value(connection, MHD_COOKIE_KIND, "wa");
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if (wa != NULL)
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{
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uint64_t mh = miner_hr(wa);
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format_hashrate(mh, temp, TAG_MAX);
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p = strstr(page_buffer, MINER_HASHRATE);
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memset(p, ' ', strlen(MINER_HASHRATE));
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memcpy(p, temp, strlen(temp));
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uint64_t balance = miner_balance(wa);
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p = strstr(page_buffer, MINER_BALANCE_DUE);
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memset(p, ' ', strlen(MINER_BALANCE_DUE));
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sprintf(temp, "%.8f", (double) balance / 1000000000000.0);
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memcpy(p, temp, strlen(temp));
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}
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response = MHD_create_response_from_buffer(strlen(page_buffer),
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(void*) page_buffer, MHD_RESPMEM_PERSISTENT);
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ret = MHD_queue_response(connection, MHD_HTTP_OK, response);
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MHD_destroy_response(response);
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return ret;
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}
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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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mhd_daemon = MHD_start_daemon(MHD_USE_SELECT_INTERNALLY, context->port, NULL, NULL,
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&answer_to_connection, (void*) context, MHD_OPTION_END);
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return mhd_daemon != NULL ? 0 : -1;
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}
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void
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stop_web_ui()
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{
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log_debug("Stopping Web UI");
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if (mhd_daemon != NULL)
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MHD_stop_daemon(mhd_daemon);
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}
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