mod_tile/src/render_speedtest.cpp at master · SomeoneElseOSM/mod_tile · GitHub

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* This program is free software; you can redistribute it and/or

* modify it under the terms of the GNU General Public License

* as published by the Free Software Foundation; either version 2

* of the License, or (at your option) any later version.

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

* GNU General Public License for more details.

* You should have received a copy of the GNU General Public License

* along with this program; If not, see http://www.gnu.org/licenses/.

#include <getopt.h>

#include <glib.h>

#include <limits.h>

#include <math.h>

#include <stdio.h>

#include <string.h>

#include <sys/stat.h>

#include <sys/time.h>

#include <unistd.h>

#include "config.h"

#include "g_logger.h"

#include "render_config.h"

#include "render_submit_queue.h"

#include "renderd_config.h"

#define DEG_TO_RAD (M_PI / 180)

#define RAD_TO_DEG (180 / M_PI)

#ifndef METATILE

#warning("Speed test not implemented for non-metatile mode. Feel free to submit fix")

int main(int argc, char **argv)

{

fprintf(stderr, "Speed test not implemented for non-metatile mode. Feel free to submit fix!\n");

return -1;

}

#else

#if 1

static double boundx0 = -0.5;

static double boundy0 = 51.25;

static double boundx1 = 0.5;

static double boundy1 = 51.75;

#endif

#if 0

// bbox = (-6.0, 50.0,3.0,58.0)

static double boundx0 = -6.0;

static double boundy0 = 50.0;

static double boundx1 = 3.0;

static double boundy1 = 58.0;

#endif

#if 0

// UK: 49.7,-7.6, 58.8, 3.2

static double boundx0 = -7.6;

static double boundy0 = 49.7;

static double boundx1 = 3.2;

static double boundy1 = 58.8;

#endif

static double minmax(double a, double b, double c)

{

a = MAX(a, b);

a = MIN(a, c);

return a;

}

class GoogleProjection

{

double *Ac, *Bc, *Cc, *zc;

public:

GoogleProjection(int levels = 18)

{

Ac = new double[levels];

Bc = new double[levels];

Cc = new double[levels];

zc = new double[levels];

int d, c = 256;

for (d = 0; d < levels; d++) {

int e = c / 2;

Bc[d] = c / 360.0;

Cc[d] = c / (2 * M_PI);

zc[d] = e;

Ac[d] = c;

c *= 2;

}

void fromLLtoPixel(double &x, double &y, int zoom)

{

double d = zc[zoom];

double f = minmax(sin(DEG_TO_RAD * y), -0.9999, 0.9999);

x = round(d + x * Bc[zoom]);

y = round(d + 0.5 * log((1 + f) / (1 - f)) * -Cc[zoom]);

}

void fromPixelToLL(double &x, double &y, int zoom)

{

double e = zc[zoom];

double g = (y - e) / -Cc[zoom];

x = (x - e) / Bc[zoom];

y = RAD_TO_DEG * (2 * atan(exp(g)) - 0.5 * M_PI);

}

};

void display_rate(struct timeval start, struct timeval end, int num)

{

int d_s, d_us;

float sec;

d_s = end.tv_sec - start.tv_sec;

d_us = end.tv_usec - start.tv_usec;

sec = d_s + d_us / 1000000.0;

g_logger(G_LOG_LEVEL_MESSAGE, "\t%d in %.2f seconds (%.2f/s)", num, sec, num / sec);

}

int main(int argc, char **argv)

{

const char *config_file_name_default = RENDERD_CONFIG;

const char *mapname_default = XMLCONFIG_DEFAULT;

const char *socketname_default = RENDERD_SOCKET;

int max_zoom_default = MAX_ZOOM;

int min_zoom_default = 0;

int num_threads_default = 1;

const char *config_file_name = config_file_name_default;

const char *mapname = mapname_default;

const char *socketname = socketname_default;

int max_zoom = max_zoom_default;

int min_zoom = min_zoom_default;

int num_threads = num_threads_default;

int config_file_name_passed = 0;

int mapname_passed = 0;

int socketname_passed = 0;

int max_zoom_passed = 0;

int min_zoom_passed = 0;

int num_threads_passed = 0;

int z;

struct timeval start, end;

struct timeval start_all, end_all;

int num_all = 0;

foreground = 1;

while (1) {

int option_index = 0;

static struct option long_options[] = {

{"config", required_argument, 0, 'c'},

{"map", required_argument, 0, 'm'},

{"max-zoom", required_argument, 0, 'Z'},

{"min-zoom", required_argument, 0, 'z'},

{"num-threads", required_argument, 0, 'n'},

{"socket", required_argument, 0, 's'},

{"help", no_argument, 0, 'h'},

{"version", no_argument, 0, 'V'},

{0, 0, 0, 0}

};

int c = getopt_long(argc, argv, "c:m:Z:z:n:s:hV", long_options, &option_index);

if (c == -1) {

break;

}

switch (c) {

case 'c': /* -c, --config */

config_file_name = strndup(optarg, PATH_MAX);

config_file_name_passed = 1;

struct stat buffer;

if (stat(config_file_name, &buffer) != 0) {

g_logger(G_LOG_LEVEL_CRITICAL, "Config file '%s' does not exist, please specify a valid file", config_file_name);

return 1;

}

break;

case 'm': /* -m, --map */

mapname = strndup(optarg, XMLCONFIG_MAX);

mapname_passed = 1;

break;

case 'Z': /* -Z, --max-zoom */

max_zoom = min_max_int_opt(optarg, "maximum zoom", 0, MAX_ZOOM);

max_zoom_passed = 1;

break;

case 'z': /* -z, --min-zoom */

min_zoom = min_max_int_opt(optarg, "minimum zoom", 0, MAX_ZOOM);

min_zoom_passed = 1;

break;

case 'n': /* -n, --num-threads */

num_threads = min_max_int_opt(optarg, "number of threads", 1, -1);

num_threads_passed = 1;

break;

case 's': /* -s, --socket */

socketname = strndup(optarg, PATH_MAX);

socketname_passed = 1;

break;

case 'h': /* -h, --help */

fprintf(stderr, "Usage: render_speedtest [OPTION] ...\n");

fprintf(stderr, " -c, --config=CONFIG specify the renderd config file (default is off)\n");

fprintf(stderr, " -m, --map=MAP render tiles in this map (default is '%s')\n", mapname_default);

fprintf(stderr, " -n, --num-threads=N the number of parallel request threads (default is '%d')\n", num_threads_default);

fprintf(stderr, " -s, --socket=SOCKET|HOSTNAME:PORT unix domain socket name or hostname and port for contacting renderd (default is '%s')\n", socketname_default);

fprintf(stderr, " -Z, --max-zoom=ZOOM only render tiles less than or equal to this zoom level (default is '%d')\n", max_zoom_default);

fprintf(stderr, " -z, --min-zoom=ZOOM only render tiles greater than or equal to this zoom level (default is '%d')\n", min_zoom_default);

fprintf(stderr, "\n");

fprintf(stderr, " -h, --help display this help and exit\n");

fprintf(stderr, " -V, --version display the version number and exit\n");

return 0;

case 'V': /* -V, --version */

fprintf(stdout, "%s\n", VERSION);

return 0;

default:

g_logger(G_LOG_LEVEL_CRITICAL, "unhandled char '%c'", c);

return 1;

}

if (max_zoom < min_zoom) {

g_logger(G_LOG_LEVEL_CRITICAL, "Specified min zoom (%i) is larger than max zoom (%i).", min_zoom, max_zoom);

return 1;

}

if (config_file_name_passed) {

int map_section_num = -1;

process_config_file(config_file_name, 0, G_LOG_LEVEL_DEBUG);

for (int i = 0; i < XMLCONFIGS_MAX; ++i) {

if (maps[i].xmlname && strcmp(maps[i].xmlname, mapname) == 0) {

map_section_num = i;

}

if (map_section_num < 0) {

g_logger(G_LOG_LEVEL_CRITICAL, "Map section '%s' does not exist in config file '%s'.", mapname, config_file_name);

return 1;

}

if (!max_zoom_passed) {

max_zoom = maps[map_section_num].max_zoom;

max_zoom_passed = 1;

}

if (!min_zoom_passed) {

min_zoom = maps[map_section_num].min_zoom;

min_zoom_passed = 1;

}

if (!num_threads_passed) {

num_threads = maps[map_section_num].num_threads;

num_threads_passed = 1;

}

if (!socketname_passed) {

socketname = strndup(config.socketname, PATH_MAX);

socketname_passed = 1;

}

g_logger(G_LOG_LEVEL_INFO, "Started render_speedtest with the following options:");

if (config_file_name_passed) {

g_logger(G_LOG_LEVEL_INFO, "\t--config = '%s' (user-specified)", config_file_name);

}

g_logger(G_LOG_LEVEL_INFO, "\t--map = '%s' (%s)", mapname, mapname_passed ? "user-specified" : "default");

g_logger(G_LOG_LEVEL_INFO, "\t--max-zoom = '%i' (%s)", max_zoom, max_zoom_passed ? "user-specified/from config" : "default");

g_logger(G_LOG_LEVEL_INFO, "\t--min-zoom = '%i' (%s)", min_zoom, min_zoom_passed ? "user-specified/from config" : "default");

g_logger(G_LOG_LEVEL_INFO, "\t--num-threads = '%i' (%s)", num_threads, num_threads_passed ? "user-specified/from config" : "default");

g_logger(G_LOG_LEVEL_INFO, "\t--socket = '%s' (%s)", socketname, socketname_passed ? "user-specified/from config" : "default");

static GoogleProjection gprj(max_zoom + 1);

spawn_workers(num_threads, socketname, 1000);

// Render something to counter act the startup costs

// of obtaining the Postgis table extents

g_logger(G_LOG_LEVEL_MESSAGE, "Initial startup costs");

gettimeofday(&start, NULL);

enqueue(mapname, 0, 0, 0);

gettimeofday(&end, NULL);

display_rate(start, end, 1);

gettimeofday(&start_all, NULL);

for (z = min_zoom; z <= max_zoom; z++) {

double px0 = boundx0;

double py0 = boundy1;

double px1 = boundx1;

double py1 = boundy0;

gprj.fromLLtoPixel(px0, py0, z);

gprj.fromLLtoPixel(px1, py1, z);

int x, xmin, xmax;

xmin = (int)(px0 / 256.0);

xmax = (int)(px1 / 256.0);

int y, ymin, ymax;

ymin = (int)(py0 / 256.0);

ymax = (int)(py1 / 256.0);

int num = (xmax - xmin + 1) * (ymax - ymin + 1);

g_logger(G_LOG_LEVEL_MESSAGE, "Zoom(%d) Now rendering %d tiles", z, num);

num_all += num;

gettimeofday(&start, NULL);

for (x = xmin; x <= xmax; x++) {

for (y = ymin; y <= ymax; y++) {

enqueue(mapname, x, y, z);

}

wait_for_empty_queue();

gettimeofday(&end, NULL);

display_rate(start, end, num);

}

finish_workers();

gettimeofday(&end_all, NULL);

g_logger(G_LOG_LEVEL_MESSAGE, "Total for all tiles rendered");

display_rate(start_all, end_all, num_all);

free_map_sections(maps);

free_renderd_sections(config_slaves);

return 0;

}

#endif

mod_tile/src/render_speedtest.cpp at master · SomeoneElseOSM/mod_tile · GitHub

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