Split up renderd.conf processing by section type (#397)

includes/parameterize_style.hpp

@@ -20,8 +20,8 @@
 
 #include <mapnik/map.hpp>
 
-typedef void (*parameterize_function_ptr)(mapnik::Map &m, char * parameter);
+typedef void (*parameterize_function_ptr)(mapnik::Map &m, char *parameter);
 
-parameterize_function_ptr init_parameterization_function(char * function_name);
+parameterize_function_ptr init_parameterization_function(const char *function_name);
 
 #endif

includes/renderd.h

@@ -34,31 +34,34 @@ int daemon(int nochdir, int noclose);
 #define MAX_SLAVES 5
 
 typedef struct {
-	char *iphostname;
-	char *mapnik_font_dir;
-	char *mapnik_plugins_dir;
-	char *pid_filename;
-	char *socketname;
-	char *stats_filename;
-	char *tile_dir;
+	const char *iphostname;
+	const char *mapnik_font_dir;
+	const char *mapnik_plugins_dir;
+	const char *name;
+	const char *pid_filename;
+	const char *socketname;
+	const char *stats_filename;
+	const char *tile_dir;
 	int ipport;
 	int mapnik_font_dir_recurse;
 	int num_threads;
 } renderd_config;
 
 typedef struct {
-	char *attribution;
-	char *cors;
-	char *description;
-	char *host;
-	char *htcpip;
-	char *output_format;
-	char *parameterization;
-	char *server_alias;
-	char *tile_dir;
-	char *xmlfile;
-	char *xmlname;
-	char *xmluri;
+	const char *attribution;
+	const char *cors;
+	const char *description;
+	const char *file_extension;
+	const char *host;
+	const char *htcpip;
+	const char *mime_type;
+	const char *output_format;
+	const char *parameterization;
+	const char *server_alias;
+	const char *tile_dir;
+	const char *xmlfile;
+	const char *xmlname;
+	const char *xmluri;
 	double scale_factor;
 	int aspect_x;
 	int aspect_y;

includes/renderd_config.h

@@ -25,13 +25,20 @@
 extern "C" {
 #endif
 
-extern int num_slave_threads;
-extern renderd_config config;
-extern renderd_config config_slaves[MAX_SLAVES];
-extern xmlconfigitem maps[XMLCONFIGS_MAX];
+int num_slave_threads;
+renderd_config config;
+renderd_config config_slaves[MAX_SLAVES];
+xmlconfigitem maps[XMLCONFIGS_MAX];
 
 int min_max_int_opt(const char *opt_arg, const char *opt_type_name, int minimum, int maximum);
+void free_map_section(xmlconfigitem map_section);
+void free_map_sections(xmlconfigitem *map_sections);
+void free_renderd_section(renderd_config renderd_section);
+void free_renderd_sections(renderd_config *renderd_sections);
 void process_config_file(const char *config_file_name, int active_renderd_section_num, int log_level);
+void process_map_sections(const char *config_file_name, xmlconfigitem *maps_dest, const char *default_tile_dir, int num_threads);
+void process_mapnik_section(const char *config_file_name, renderd_config *config_dest);
+void process_renderd_sections(const char *config_file_name, renderd_config *configs_dest);
 
 #ifdef __cplusplus
 }

src/parameterize_style.cpp

@@ -15,24 +15,22 @@
  * along with this program; If not, see http://www.gnu.org/licenses/.
  */
 
-#include <mapnik/version.hpp>
-#include <mapnik/map.hpp>
-#include <mapnik/layer.hpp>
-#include <mapnik/params.hpp>
+#include <boost/optional.hpp>
 #include <mapnik/datasource.hpp>
 #include <mapnik/datasource_cache.hpp>
+#include <mapnik/layer.hpp>
+#include <mapnik/map.hpp>
+#include <mapnik/params.hpp>
+#include <mapnik/version.hpp>
 
-#include <boost/optional.hpp>
-
-#include "parameterize_style.hpp"
 #include "g_logger.h"
+#include "parameterize_style.hpp"
 
-
-static void parameterize_map_language(mapnik::Map &m, char * parameter)
+static void parameterize_map_language(mapnik::Map &m, char *parameter)
 {
 	unsigned int i;
-	char * data = strdup(parameter);
-	char * tok;
+	char *data = strdup(parameter);
+	char *tok;
 	char name_replace[256];
 
 	name_replace[0] = 0;
@@ -41,7 +39,7 @@ static void parameterize_map_language(mapnik::Map &m, char * parameter)
 
 	if (!tok) {
 		free(data);
-		return;        //No parameterization given
+		return; // No parameterization given
 	}
 
 	strncat(name_replace, ", coalesce(", 255);
@@ -56,7 +54,6 @@ static void parameterize_map_language(mapnik::Map &m, char * parameter)
 		}
 
 		tok = strtok(NULL, ",");
-
 	}
 
 	free(data);
@@ -64,7 +61,7 @@ static void parameterize_map_language(mapnik::Map &m, char * parameter)
 	strncat(name_replace, ") as name", 255);
 
 	for (i = 0; i < m.layer_count(); i++) {
-		mapnik::layer& l = m.get_layer(i);
+		mapnik::layer &l = m.get_layer(i);
 		mapnik::parameters params = l.datasource()->params();
 
 		if (params.find("table") != params.end()) {
@@ -78,12 +75,10 @@ static void parameterize_map_language(mapnik::Map &m, char * parameter)
 				l.set_datasource(mapnik::datasource_cache::instance().create(params));
 			}
 		}
-
 	}
 }
 
-
-parameterize_function_ptr init_parameterization_function(char * function_name)
+parameterize_function_ptr init_parameterization_function(const char *function_name)
 {
 	if (strcmp(function_name, "") == 0) {
 		g_logger(G_LOG_LEVEL_DEBUG, "Parameterize_style not specified (or empty string specified)");

src/renderd.c

@@ -745,7 +745,7 @@ int main(int argc, char **argv)
 
 		switch (c) {
 			case 'c':   /* -c, --config */
-				config_file_name = strdup(optarg);
+				config_file_name = strndup(optarg, PATH_MAX);
 				config_file_name_passed = 1;
 
 				struct stat buffer;
@@ -777,7 +777,7 @@ int main(int argc, char **argv)
 				fprintf(stderr, "  -V, --version                     display the version number and exit\n");
 				return 0;
 
-			case 'V':
+			case 'V':   /* -V, --version */
 				fprintf(stdout, "%s\n", VERSION);
 				return 0;
 
@@ -799,6 +799,10 @@ int main(int argc, char **argv)
 
 	process_config_file(config_file_name, active_renderd_section_num, G_LOG_LEVEL_INFO);
 
+	if (config_file_name_passed) {
+		free((void *)config_file_name);
+	}
+
 	fd = server_socket_init(&config);
 
 #if 0
@@ -867,10 +871,9 @@ int main(int argc, char **argv)
 	}
 
 	if (active_renderd_section_num == 0) {
-		//Only the master renderd opens connections to its slaves
+		// Only the master renderd opens connections to its slaves
 		k = 0;
-		slave_threads
-			= (pthread_t *) malloc(sizeof(pthread_t) * num_slave_threads);
+		slave_threads = (pthread_t *) malloc(sizeof(pthread_t) * num_slave_threads);
 
 		for (i = 1; i < MAX_SLAVES; i++) {
 			for (j = 0; j < config_slaves[i].num_threads; j++) {
@@ -881,6 +884,13 @@ int main(int argc, char **argv)
 				}
 			}
 		}
+	} else {
+		for (i = 0; i < MAX_SLAVES; i++) {
+			if (active_renderd_section_num != i && config_slaves[i].num_threads != 0) {
+				g_logger(G_LOG_LEVEL_DEBUG, "Freeing unused renderd config section %i: %s", i, config_slaves[i].name);
+				free_renderd_section(config_slaves[i]);
+			}
+		}
 	}
 
 	process_loop(fd);

src/renderd_config.c

@@ -15,6 +15,8 @@
  * along with this program; If not, see http://www.gnu.org/licenses/.
  */
 
+#define _GNU_SOURCE
+
 #include "config.h"
 #include "g_logger.h"
 #include "render_config.h"
@@ -26,54 +28,27 @@
 #include <iniparser.h>
 #endif
 
-int num_slave_threads;
-
-renderd_config config;
-renderd_config config_slaves[MAX_SLAVES];
-xmlconfigitem maps[XMLCONFIGS_MAX];
-
-static void copy_string_with_snprintf(const char *src, char **dest, size_t maxlen)
+static void copy_string(const char *src, const char **dest, size_t maxlen)
 {
-	int len, size;
+	size_t size = sizeof(char) * strnlen(src, maxlen);
 
-	size = sizeof(char) * strnlen(src, maxlen) + sizeof(char);
-	*dest = malloc(size);
+	*dest = strndup(src, size);
 
 	if (*dest == NULL) {
-		g_logger(G_LOG_LEVEL_CRITICAL, "malloc error");
-		exit(7);
-	}
-
-	len = snprintf(*dest, size, "%s", src);
-
-	if (len < 0) {
-		g_logger(G_LOG_LEVEL_CRITICAL, "snprintf encoding error");
-		exit(7);
-	} else if (len >= maxlen) {
-		g_logger(G_LOG_LEVEL_CRITICAL, "snprintf buffer too small");
+		g_logger(G_LOG_LEVEL_CRITICAL, "copy_string: strndup error");
 		exit(7);
 	}
 }
 
 static char *name_with_section(const char *section, const char *name)
 {
-	int len, maxlen = INILINE_MAX - 1;
+	size_t len;
 	char *key;
 
-	key = malloc(sizeof(char) * maxlen);
+	len = asprintf(&key, "%s:%s", section, name);
 
-	if (key == NULL) {
-		g_logger(G_LOG_LEVEL_CRITICAL, "malloc error");
-		exit(7);
-	}
-
-	len = snprintf(key, maxlen, "%s:%s", section, name);
-
-	if (len < 0) {
-		g_logger(G_LOG_LEVEL_CRITICAL, "snprintf encoding error");
-		exit(7);
-	} else if (len >= maxlen) {
-		g_logger(G_LOG_LEVEL_CRITICAL, "snprintf buffer too small");
+	if (len == -1) {
+		g_logger(G_LOG_LEVEL_CRITICAL, "name_with_section: asprintf error");
 		exit(7);
 	}
 
@@ -116,27 +91,73 @@ static void process_config_int(const dictionary *ini, const char *section, const
 	free(key);
 }
 
-static void process_config_string(const dictionary *ini, const char *section, const char *name, char **dest, char *notfound, int maxlen)
+static void process_config_string(const dictionary *ini, const char *section, const char *name, const char **dest, const char *notfound, size_t maxlen)
 {
-	int len;
 	char *key = name_with_section(section, name);
 	const char *src = iniparser_getstring(ini, key, notfound);
 
 	g_logger(G_LOG_LEVEL_DEBUG, "\tRead %s: '%s'", key, src);
 
-	copy_string_with_snprintf(src, dest, maxlen);
+	copy_string(src, dest, maxlen);
 
 	free(key);
 }
 
+void free_map_section(xmlconfigitem map_section)
+{
+	free((void *)map_section.attribution);
+	free((void *)map_section.cors);
+	free((void *)map_section.description);
+	free((void *)map_section.file_extension);
+	free((void *)map_section.host);
+	free((void *)map_section.htcpip);
+	free((void *)map_section.mime_type);
+	free((void *)map_section.output_format);
+	free((void *)map_section.parameterization);
+	free((void *)map_section.server_alias);
+	free((void *)map_section.tile_dir);
+	free((void *)map_section.xmlfile);
+	free((void *)map_section.xmlname);
+	free((void *)map_section.xmluri);
+	bzero(&map_section, sizeof(xmlconfigitem));
+}
+
+void free_map_sections(xmlconfigitem *map_sections)
+{
+	for (int i = 0; i < XMLCONFIGS_MAX; i++) {
+		if (map_sections[i].xmlname != NULL) {
+			free_map_section(map_sections[i]);
+		}
+	}
+}
+
+void free_renderd_section(renderd_config renderd_section)
+{
+	free((void *)renderd_section.iphostname);
+	free((void *)renderd_section.mapnik_font_dir);
+	free((void *)renderd_section.mapnik_plugins_dir);
+	free((void *)renderd_section.name);
+	free((void *)renderd_section.pid_filename);
+	free((void *)renderd_section.socketname);
+	free((void *)renderd_section.stats_filename);
+	free((void *)renderd_section.tile_dir);
+	bzero(&renderd_section, sizeof(renderd_config));
+}
+
+void free_renderd_sections(renderd_config *renderd_sections)
+{
+	for (int i = 0; i < MAX_SLAVES; i++) {
+		if (renderd_sections[i].num_threads != 0) {
+			free_renderd_section(renderd_sections[i]);
+		}
+	}
+}
+
 int min_max_int_opt(const char *opt_arg, const char *opt_type_name, int minimum, int maximum)
 {
-	int opt;
-	float opt_float;
 	char *endptr, *endptr_float;
-
-	opt = strtol(opt_arg, &endptr, 10);
-	opt_float = strtof(opt_arg, &endptr_float);
+	int opt = strtol(opt_arg, &endptr, 10);
+	float opt_float = strtof(opt_arg, &endptr_float);
 
 	if (endptr == opt_arg || endptr_float == opt_arg || (float)opt != opt_float) {
 		g_logger(G_LOG_LEVEL_CRITICAL, "Invalid %s, must be an integer (%s was provided)", opt_type_name, opt_arg);
@@ -152,14 +173,10 @@ int min_max_int_opt(const char *opt_arg, const char *opt_type_name, int minimum,
 	return opt;
 }
 
-void process_config_file(const char *config_file_name, int active_renderd_section_num, int log_level)
+void process_map_sections(const char *config_file_name, xmlconfigitem *maps_dest, const char *default_tile_dir, int num_threads)
 {
-	int i, map_section_num = -1;
-	bzero(&config, sizeof(renderd_config));
-	bzero(config_slaves, sizeof(renderd_config) * MAX_SLAVES);
-	bzero(maps, sizeof(xmlconfigitem) * XMLCONFIGS_MAX);
+	int map_section_num = -1;
 
-	g_logger(log_level, "Parsing renderd config file '%s':", config_file_name);
 	dictionary *ini = iniparser_load(config_file_name);
 
 	if (!ini) {
@@ -167,7 +184,158 @@ void process_config_file(const char *config_file_name, int active_renderd_sectio
 		exit(1);
 	}
 
-	num_slave_threads = 0;
+	bzero(maps_dest, sizeof(xmlconfigitem) * XMLCONFIGS_MAX);
+
+	g_logger(G_LOG_LEVEL_DEBUG, "Parsing map config section(s)");
+
+	for (int section_num = 0; section_num < iniparser_getnsec(ini); section_num++) {
+		const char *section = iniparser_getsecname(ini, section_num);
+
+		if (strncmp(section, "renderd", 7) && strcmp(section, "mapnik")) {
+			/* this is a map config section */
+			map_section_num++;
+			g_logger(G_LOG_LEVEL_DEBUG, "Parsing map config section %i: %s", map_section_num, section);
+
+			if (map_section_num >= XMLCONFIGS_MAX) {
+				g_logger(G_LOG_LEVEL_CRITICAL, "Can't handle more than %i map config sections", XMLCONFIGS_MAX);
+				exit(7);
+			}
+
+			copy_string(section, &maps_dest[map_section_num].xmlname, XMLCONFIG_MAX);
+
+			process_config_int(ini, section, "aspectx", &maps_dest[map_section_num].aspect_x, 1);
+			process_config_int(ini, section, "aspecty", &maps_dest[map_section_num].aspect_y, 1);
+			process_config_int(ini, section, "tilesize", &maps_dest[map_section_num].tile_px_size, 256);
+			process_config_string(ini, section, "attribution", &maps_dest[map_section_num].attribution, "", PATH_MAX);
+			process_config_string(ini, section, "cors", &maps_dest[map_section_num].cors, "", PATH_MAX);
+			process_config_string(ini, section, "description", &maps_dest[map_section_num].description, "", PATH_MAX);
+			process_config_string(ini, section, "host", &maps_dest[map_section_num].host, "", PATH_MAX);
+			process_config_string(ini, section, "htcphost", &maps_dest[map_section_num].htcpip, "", PATH_MAX);
+			process_config_string(ini, section, "parameterize_style", &maps_dest[map_section_num].parameterization, "", PATH_MAX);
+			process_config_string(ini, section, "server_alias", &maps_dest[map_section_num].server_alias, "", PATH_MAX);
+			process_config_string(ini, section, "tiledir", &maps_dest[map_section_num].tile_dir, default_tile_dir, PATH_MAX);
+			process_config_string(ini, section, "uri", &maps_dest[map_section_num].xmluri, "", PATH_MAX);
+			process_config_string(ini, section, "xml", &maps_dest[map_section_num].xmlfile, "", PATH_MAX);
+
+			process_config_double(ini, section, "scale", &maps_dest[map_section_num].scale_factor, 1.0);
+
+			if (maps_dest[map_section_num].scale_factor < 0.1) {
+				g_logger(G_LOG_LEVEL_CRITICAL, "Specified scale factor (%lf) is too small, must be greater than or equal to %lf.", maps_dest[map_section_num].scale_factor, 0.1);
+				exit(7);
+			} else if (maps_dest[map_section_num].scale_factor > 8.0) {
+				g_logger(G_LOG_LEVEL_CRITICAL, "Specified scale factor (%lf) is too large, must be less than or equal to %lf.", maps_dest[map_section_num].scale_factor, 8.0);
+				exit(7);
+			}
+
+			process_config_int(ini, section, "maxzoom", &maps_dest[map_section_num].max_zoom, MAX_ZOOM);
+
+			if (maps_dest[map_section_num].max_zoom < 0) {
+				g_logger(G_LOG_LEVEL_CRITICAL, "Specified max zoom (%i) is too small, must be greater than or equal to %i.", maps_dest[map_section_num].max_zoom, 0);
+				exit(7);
+			} else if (maps_dest[map_section_num].max_zoom > MAX_ZOOM) {
+				g_logger(G_LOG_LEVEL_CRITICAL, "Specified max zoom (%i) is too large, must be less than or equal to %i.", maps_dest[map_section_num].max_zoom, MAX_ZOOM);
+				exit(7);
+			}
+
+			process_config_int(ini, section, "minzoom", &maps_dest[map_section_num].min_zoom, 0);
+
+			if (maps_dest[map_section_num].min_zoom < 0) {
+				g_logger(G_LOG_LEVEL_CRITICAL, "Specified min zoom (%i) is too small, must be greater than or equal to %i.", maps_dest[map_section_num].min_zoom, 0);
+				exit(7);
+			} else if (maps_dest[map_section_num].min_zoom > maps_dest[map_section_num].max_zoom) {
+				g_logger(G_LOG_LEVEL_CRITICAL, "Specified min zoom (%i) is larger than max zoom (%i).", maps_dest[map_section_num].min_zoom, maps_dest[map_section_num].max_zoom);
+				exit(7);
+			}
+
+			char *file_extension = malloc(INILINE_MAX);
+			char *mime_type = malloc(INILINE_MAX);
+			char *output_format = malloc(INILINE_MAX);
+			const char *ini_type;
+			int num_ini_type_parts;
+
+			process_config_string(ini, section, "type", &ini_type, "png image/png png256", INILINE_MAX);
+			num_ini_type_parts = sscanf(ini_type, "%[^ ] %[^ ] %[^ ]", file_extension, mime_type, output_format);
+
+			if (num_ini_type_parts < 2) {
+				g_logger(G_LOG_LEVEL_CRITICAL, "Specified type (%s) has too few parts, there must be at least 2, e.g., 'png image/png'.", ini_type);
+				exit(7);
+			}
+
+			copy_string(file_extension, &maps_dest[map_section_num].file_extension, INILINE_MAX);
+			copy_string(mime_type, &maps_dest[map_section_num].mime_type, INILINE_MAX);
+
+			if (num_ini_type_parts == 3) {
+				copy_string(output_format, &maps_dest[map_section_num].output_format, INILINE_MAX);
+			} else {
+				copy_string("png256", &maps_dest[map_section_num].output_format, INILINE_MAX);
+			}
+
+			free((void *)ini_type);
+			free(file_extension);
+			free(mime_type);
+			free(output_format);
+
+			/* Pass this information into the rendering threads,
+			 * as it is needed to configure mapniks number of connections
+			 */
+			maps_dest[map_section_num].num_threads = num_threads;
+		}
+	}
+
+	iniparser_freedict(ini);
+
+	if (map_section_num < 0) {
+		g_logger(G_LOG_LEVEL_CRITICAL, "No map config sections were found in file: %s", config_file_name);
+		exit(1);
+	}
+}
+
+void process_mapnik_section(const char *config_file_name, renderd_config *config_dest)
+{
+	int mapnik_section_num = -1;
+
+	dictionary *ini = iniparser_load(config_file_name);
+
+	if (!ini) {
+		g_logger(G_LOG_LEVEL_CRITICAL, "Failed to load config file: %s", config_file_name);
+		exit(1);
+	}
+
+	g_logger(G_LOG_LEVEL_DEBUG, "Parsing mapnik config section");
+
+	for (int section_num = 0; section_num < iniparser_getnsec(ini); section_num++) {
+		const char *section = iniparser_getsecname(ini, section_num);
+
+		if (strcmp(section, "mapnik") == 0) {
+			/* this is a mapnik config section */
+			mapnik_section_num = section_num;
+			process_config_bool(ini, section, "font_dir_recurse", &config_dest->mapnik_font_dir_recurse, MAPNIK_FONTS_DIR_RECURSE);
+			process_config_string(ini, section, "font_dir", &config_dest->mapnik_font_dir, MAPNIK_FONTS_DIR, PATH_MAX);
+			process_config_string(ini, section, "plugins_dir", &config_dest->mapnik_plugins_dir, MAPNIK_PLUGINS_DIR, PATH_MAX);
+			break;
+		}
+	}
+
+	iniparser_freedict(ini);
+
+	if (mapnik_section_num < 0) {
+		g_logger(G_LOG_LEVEL_CRITICAL, "No mapnik config section was found in file: %s", config_file_name);
+		exit(1);
+	}
+}
+
+void process_renderd_sections(const char *config_file_name, renderd_config *configs_dest)
+{
+	int renderd_section_num = -1;
+
+	dictionary *ini = iniparser_load(config_file_name);
+
+	if (!ini) {
+		g_logger(G_LOG_LEVEL_CRITICAL, "Failed to load config file: %s", config_file_name);
+		exit(1);
+	}
+
+	bzero(configs_dest, sizeof(renderd_config) * MAX_SLAVES);
 
 	g_logger(G_LOG_LEVEL_DEBUG, "Parsing renderd config section(s)");
 
@@ -176,8 +344,6 @@ void process_config_file(const char *config_file_name, int active_renderd_sectio
 
 		if (strncmp(section, "renderd", 7) == 0) {
 			/* this is a renderd config section */
-			int renderd_section_num = 0;
-
 			if (sscanf(section, "renderd%i", &renderd_section_num) != 1) {
 				renderd_section_num = 0;
 			}
@@ -189,131 +355,74 @@ void process_config_file(const char *config_file_name, int active_renderd_sectio
 				exit(7);
 			}
 
-			process_config_int(ini, section, "ipport", &config_slaves[renderd_section_num].ipport, 0);
-			process_config_int(ini, section, "num_threads", &config_slaves[renderd_section_num].num_threads, NUM_THREADS);
-			process_config_string(ini, section, "iphostname", &config_slaves[renderd_section_num].iphostname, "", INILINE_MAX - 1);
-			process_config_string(ini, section, "pid_file", &config_slaves[renderd_section_num].pid_filename, RENDERD_PIDFILE, PATH_MAX - 1);
-			process_config_string(ini, section, "socketname", &config_slaves[renderd_section_num].socketname, RENDERD_SOCKET, PATH_MAX - 1);
-			process_config_string(ini, section, "stats_file", &config_slaves[renderd_section_num].stats_filename, "", PATH_MAX - 1);
-			process_config_string(ini, section, "tile_dir", &config_slaves[renderd_section_num].tile_dir, RENDERD_TILE_DIR, PATH_MAX - 1);
+			copy_string(section, &configs_dest[renderd_section_num].name, 10);
 
-			if (config_slaves[renderd_section_num].num_threads == -1) {
-				config_slaves[renderd_section_num].num_threads = sysconf(_SC_NPROCESSORS_ONLN);
+			process_config_int(ini, section, "ipport", &configs_dest[renderd_section_num].ipport, 0);
+			process_config_int(ini, section, "num_threads", &configs_dest[renderd_section_num].num_threads, NUM_THREADS);
+			process_config_string(ini, section, "iphostname", &configs_dest[renderd_section_num].iphostname, "", INILINE_MAX);
+			process_config_string(ini, section, "pid_file", &configs_dest[renderd_section_num].pid_filename, RENDERD_PIDFILE, PATH_MAX);
+			process_config_string(ini, section, "socketname", &configs_dest[renderd_section_num].socketname, RENDERD_SOCKET, PATH_MAX);
+			process_config_string(ini, section, "stats_file", &configs_dest[renderd_section_num].stats_filename, "", PATH_MAX);
+			process_config_string(ini, section, "tile_dir", &configs_dest[renderd_section_num].tile_dir, RENDERD_TILE_DIR, PATH_MAX);
+
+			if (configs_dest[renderd_section_num].num_threads == -1) {
+				configs_dest[renderd_section_num].num_threads = sysconf(_SC_NPROCESSORS_ONLN);
 			}
-
-			if (renderd_section_num == active_renderd_section_num) {
-				config = config_slaves[renderd_section_num];
-			} else {
-				num_slave_threads += config_slaves[renderd_section_num].num_threads;
-			}
-		}
-	}
-
-	g_logger(G_LOG_LEVEL_DEBUG, "Parsing mapnik config section");
-
-	for (int section_num = 0; section_num < iniparser_getnsec(ini); section_num++) {
-		const char *section = iniparser_getsecname(ini, section_num);
-
-		if (strcmp(section, "mapnik") == 0) {
-			/* this is a mapnik config section */
-			if (config.num_threads == 0) {
-				g_logger(G_LOG_LEVEL_CRITICAL, "No valid (active) renderd config section available");
-				exit(7);
-			}
-
-			process_config_bool(ini, section, "font_dir_recurse", &config.mapnik_font_dir_recurse, MAPNIK_FONTS_DIR_RECURSE);
-			process_config_string(ini, section, "font_dir", &config.mapnik_font_dir, MAPNIK_FONTS_DIR, PATH_MAX - 1);
-			process_config_string(ini, section, "plugins_dir", &config.mapnik_plugins_dir, MAPNIK_PLUGINS_DIR, PATH_MAX - 1);
-		}
-	}
-
-	g_logger(G_LOG_LEVEL_DEBUG, "Parsing map config section(s)");
-
-	for (int section_num = 0; section_num < iniparser_getnsec(ini); section_num++) {
-		const char *section = iniparser_getsecname(ini, section_num);
-
-		if (strncmp(section, "renderd", 7) && strcmp(section, "mapnik")) {
-			/* this is a map config section */
-			if (config.num_threads == 0) {
-				g_logger(G_LOG_LEVEL_CRITICAL, "No valid (active) renderd config section available");
-				exit(7);
-			}
-
-			map_section_num++;
-
-			g_logger(G_LOG_LEVEL_DEBUG, "Parsing map config section %i: %s", map_section_num, section);
-
-			if (map_section_num >= XMLCONFIGS_MAX) {
-				g_logger(G_LOG_LEVEL_CRITICAL, "Can't handle more than %i map config sections", XMLCONFIGS_MAX);
-				exit(7);
-			}
-
-			copy_string_with_snprintf(section, &maps[map_section_num].xmlname, XMLCONFIG_MAX - 1);
-
-			process_config_int(ini, section, "aspectx", &maps[map_section_num].aspect_x, 1);
-			process_config_int(ini, section, "aspecty", &maps[map_section_num].aspect_y, 1);
-			process_config_int(ini, section, "tilesize", &maps[map_section_num].tile_px_size, 256);
-			process_config_string(ini, section, "attribution", &maps[map_section_num].attribution, "", PATH_MAX - 1);
-			process_config_string(ini, section, "cors", &maps[map_section_num].cors, "", PATH_MAX - 1);
-			process_config_string(ini, section, "description", &maps[map_section_num].description, "", PATH_MAX - 1);
-			process_config_string(ini, section, "host", &maps[map_section_num].host, "", PATH_MAX - 1);
-			process_config_string(ini, section, "htcphost", &maps[map_section_num].htcpip, "", PATH_MAX - 1);
-			process_config_string(ini, section, "parameterize_style", &maps[map_section_num].parameterization, "", PATH_MAX - 1);
-			process_config_string(ini, section, "server_alias", &maps[map_section_num].server_alias, "", PATH_MAX - 1);
-			process_config_string(ini, section, "tiledir", &maps[map_section_num].tile_dir, config.tile_dir, PATH_MAX - 1);
-			process_config_string(ini, section, "uri", &maps[map_section_num].xmluri, "", PATH_MAX - 1);
-			process_config_string(ini, section, "xml", &maps[map_section_num].xmlfile, "", PATH_MAX - 1);
-
-			process_config_double(ini, section, "scale", &maps[map_section_num].scale_factor, 1.0);
-
-			if (maps[map_section_num].scale_factor < 0.1) {
-				g_logger(G_LOG_LEVEL_CRITICAL, "Specified scale factor (%lf) is too small, must be greater than or equal to %lf.", maps[map_section_num].scale_factor, 0.1);
-				exit(7);
-			} else if (maps[map_section_num].scale_factor > 8.0) {
-				g_logger(G_LOG_LEVEL_CRITICAL, "Specified scale factor (%lf) is too large, must be less than or equal to %lf.", maps[map_section_num].scale_factor, 8.0);
-				exit(7);
-			}
-
-			process_config_int(ini, section, "maxzoom", &maps[map_section_num].max_zoom, 18);
-
-			if (maps[map_section_num].max_zoom < 0) {
-				g_logger(G_LOG_LEVEL_CRITICAL, "Specified max zoom (%i) is too small, must be greater than or equal to %i.", maps[map_section_num].max_zoom, 0);
-				exit(7);
-			} else if (maps[map_section_num].max_zoom > MAX_ZOOM) {
-				g_logger(G_LOG_LEVEL_CRITICAL, "Specified max zoom (%i) is too large, must be less than or equal to %i.", maps[map_section_num].max_zoom, MAX_ZOOM);
-				exit(7);
-			}
-
-			process_config_int(ini, section, "minzoom", &maps[map_section_num].min_zoom, 0);
-
-			if (maps[map_section_num].min_zoom < 0) {
-				g_logger(G_LOG_LEVEL_CRITICAL, "Specified min zoom (%i) is too small, must be greater than or equal to %i.", maps[map_section_num].min_zoom, 0);
-				exit(7);
-			} else if (maps[map_section_num].min_zoom > maps[map_section_num].max_zoom) {
-				g_logger(G_LOG_LEVEL_CRITICAL, "Specified min zoom (%i) is larger than max zoom (%i).", maps[map_section_num].min_zoom, maps[map_section_num].max_zoom);
-				exit(7);
-			}
-
-			char ini_fileExtension[] = "png";
-			char ini_mimeType[] = "image/png";
-			char ini_outputFormat[] = "png256";
-			char *ini_type;
-
-			process_config_string(ini, section, "type", &ini_type, "png image/png png256", INILINE_MAX - 1);
-
-			sscanf(ini_type, "%[^ ] %[^ ] %[^;#]", ini_fileExtension, ini_mimeType, ini_outputFormat);
-			copy_string_with_snprintf(ini_outputFormat, &maps[map_section_num].output_format, INILINE_MAX - 1);
-			free(ini_type);
-
-			/* Pass this information into the rendering threads,
-			 * as it is needed to configure mapniks number of connections
-			 */
-			maps[map_section_num].num_threads = config.num_threads;
 		}
 	}
 
 	iniparser_freedict(ini);
 
+	if (renderd_section_num < 0) {
+		g_logger(G_LOG_LEVEL_CRITICAL, "No renderd config sections were found in file: %s", config_file_name);
+		exit(1);
+	}
+}
+
+void process_config_file(const char *config_file_name, int active_renderd_section_num, int log_level)
+{
+	extern int num_slave_threads;
+
+	extern renderd_config config;
+	extern renderd_config config_slaves[MAX_SLAVES];
+	extern xmlconfigitem maps[XMLCONFIGS_MAX];
+
+	num_slave_threads = 0;
+
+	g_logger(log_level, "Parsing renderd config file '%s':", config_file_name);
+
+	process_renderd_sections(config_file_name, config_slaves);
+	process_mapnik_section(config_file_name, &config_slaves[active_renderd_section_num]);
+	process_map_sections(config_file_name, maps, config_slaves[active_renderd_section_num].tile_dir, config_slaves[active_renderd_section_num].num_threads);
+	config = config_slaves[active_renderd_section_num];
+
+	for (int i = 0; i < MAX_SLAVES; i++) {
+		if (config_slaves[i].num_threads == 0) {
+			continue;
+		}
+
+		if (i == active_renderd_section_num) {
+			g_logger(G_LOG_LEVEL_DEBUG, "\trenderd(%i): Active", i);
+		} else {
+			num_slave_threads += config_slaves[i].num_threads;
+		}
+
+		if (config_slaves[i].ipport > 0) {
+			g_logger(G_LOG_LEVEL_DEBUG, "\trenderd(%i): ip socket = '%s:%i'", i, config_slaves[i].iphostname, config_slaves[i].ipport);
+		} else {
+			g_logger(G_LOG_LEVEL_DEBUG, "\trenderd(%i): unix socketname = '%s'", i, config_slaves[i].socketname);
+		}
+
+		g_logger(G_LOG_LEVEL_DEBUG, "\trenderd(%i): num_threads = '%i'", i, config_slaves[i].num_threads);
+		g_logger(G_LOG_LEVEL_DEBUG, "\trenderd(%i): pid_file = '%s'", i, config_slaves[i].pid_filename);
+
+		if (strnlen(config_slaves[i].stats_filename, PATH_MAX)) {
+			g_logger(G_LOG_LEVEL_DEBUG, "\trenderd(%i): stats_file = '%s'", i, config_slaves[i].stats_filename);
+		}
+
+		g_logger(G_LOG_LEVEL_DEBUG, "\trenderd(%i): tile_dir = '%s'", i, config_slaves[i].tile_dir);
+	}
+
 	if (config.ipport > 0) {
 		g_logger(log_level, "\trenderd: ip socket = '%s':%i", config.iphostname, config.ipport);
 	} else {
@@ -328,7 +437,7 @@ void process_config_file(const char *config_file_name, int active_renderd_sectio
 
 	g_logger(log_level, "\trenderd: pid_file = '%s'", config.pid_filename);
 
-	if (strnlen(config.stats_filename, PATH_MAX - 1)) {
+	if (strnlen(config.stats_filename, PATH_MAX)) {
 		g_logger(log_level, "\trenderd: stats_file = '%s'", config.stats_filename);
 	}
 
@@ -337,34 +446,9 @@ void process_config_file(const char *config_file_name, int active_renderd_sectio
 	g_logger(log_level, "\tmapnik:  font_dir_recurse = '%s'", config.mapnik_font_dir_recurse ? "true" : "false");
 	g_logger(log_level, "\tmapnik:  plugins_dir = '%s'", config.mapnik_plugins_dir);
 
-	for (i = 0; i < XMLCONFIGS_MAX; i++) {
+	for (int i = 0; i < XMLCONFIGS_MAX; i++) {
 		if (maps[i].xmlname != NULL) {
 			g_logger(log_level, "\tmap %i:   name(%s) file(%s) uri(%s) output_format(%s) htcp(%s) host(%s)", i, maps[i].xmlname, maps[i].xmlfile, maps[i].xmluri, maps[i].output_format, maps[i].htcpip, maps[i].host);
 		}
 	}
-
-	for (i = 0; i < MAX_SLAVES; i++) {
-		if (config_slaves[i].num_threads == 0) {
-			continue;
-		}
-
-		if (i == active_renderd_section_num) {
-			g_logger(G_LOG_LEVEL_DEBUG, "\trenderd(%i): Active", i);
-		}
-
-		if (config_slaves[i].ipport > 0) {
-			g_logger(G_LOG_LEVEL_DEBUG, "\trenderd(%i): ip socket = '%s:%i'", i, config_slaves[i].iphostname, config_slaves[i].ipport);
-		} else {
-			g_logger(G_LOG_LEVEL_DEBUG, "\trenderd(%i): unix socketname = '%s'", i, config_slaves[i].socketname);
-		}
-
-		g_logger(G_LOG_LEVEL_DEBUG, "\trenderd(%i): num_threads = '%i'", i, config_slaves[i].num_threads);
-		g_logger(G_LOG_LEVEL_DEBUG, "\trenderd(%i): pid_file = '%s'", i, config_slaves[i].pid_filename);
-
-		if (strnlen(config_slaves[i].stats_filename, PATH_MAX - 1)) {
-			g_logger(G_LOG_LEVEL_DEBUG, "\trenderd(%i): stats_file = '%s'", i, config_slaves[i].stats_filename);
-		}
-
-		g_logger(G_LOG_LEVEL_DEBUG, "\trenderd(%i): tile_dir = '%s'", i, config_slaves[i].tile_dir);
-	}
 }

tests/CMakeLists.txt

@@ -252,7 +252,7 @@ foreach(STORAGE_BACKEND_INDEX RANGE ${STORAGE_BACKENDS_LENGTH})
       ${PS_EXECUTABLE} -p \${PID} || exit 1\;
       echo \${PID} > ${RENDERD1_PID}"
     "$<TARGET_FILE:renderd> --config ${RENDERD_CONF} --slave 2"
-    "${HTTPD_EXECUTABLE} -e debug -f ${HTTPD_CONF} -k start > ${HTTPD_LOG} 2>&1"
+    "${HTTPD_EXECUTABLE} -e debug -E ${HTTPD_LOG} -f ${HTTPD_CONF} -k start"
   )
 
   # Conditionally append memcached start commands to SERVICES_START_CMDS based on STORAGE_BACKEND value
@@ -647,13 +647,17 @@ foreach(STORAGE_BACKEND_INDEX RANGE ${STORAGE_BACKENDS_LENGTH})
     set_tests_properties(tile_expired_${MAP_NAME}_${STORAGE_BACKEND} PROPERTIES
       FIXTURES_REQUIRED services_started_${STORAGE_BACKEND}
     )
+    set(TILE_URL_PATH "/tiles/${MAP_NAME}/3/0/3.${EXTENSION}")
+    set(HTTPD1_URL "http://${HTTPD1_HOST}:${HTTPD1_PORT}${TILE_URL_PATH}")
+    set(HTTPD2_URL "http://${HTTPD2_HOST}:${HTTPD2_PORT}${TILE_URL_PATH}")
     add_test(NAME throttling_xforward_${MAP_NAME}_${STORAGE_BACKEND}
       COMMAND ${BASH} -c "
+        TEST_CURL_CMD=\"${CURL_CMD} --header 'X-Forwarded-For: ${CTEST_HOST}, 127.0.0.1' --output /dev/null\"
         for i in {0..10}; do
-          if ! ${CURL_CMD} --header \"X-Forwarded-For: ${CTEST_HOST}, ${CTEST_HOST}\" --output /dev/null ${HTTPD1_URL}; then
+          if ! \${TEST_CURL_CMD} ${HTTPD1_URL}; then
             echo \"${HTTPD1_URL}\";
           fi
-          if ! ${CURL_CMD} --header \"X-Forwarded-For: ${CTEST_HOST}, ${CTEST_HOST}\" --output /dev/null ${HTTPD2_URL}; then
+          if ! \${TEST_CURL_CMD} ${HTTPD2_URL}; then
             echo \"${HTTPD2_URL}\";
           fi
         done
@@ -977,6 +981,7 @@ foreach(DIRECTIVE_INDEX RANGE ${DIRECTIVES_LENGTH})
       HTTPD_OUTPUT=$(${HTTPD_EXECUTABLE} -e debug -f ${HTTPD_CONF} -t 2>&1)
       if [ \"\${?}\" -eq \"0\" ]; then
         echo \"Unexpected success.\"
+        echo \"\${HTTPD_OUTPUT}\"
         exit 1;
       fi
       if echo \"\${HTTPD_OUTPUT}\" | ${GREP_EXECUTABLE} -q \"${DIRECTIVE_ERROR}\"; then

tests/httpd.conf.in

@@ -88,8 +88,8 @@ Redirect /renderd-example-map/leaflet/leaflet.min.js https://unpkg.com/leaflet/d
   ModTileMissingRequestTimeout 3
   ModTileRenderdSocketName @RENDERD2_SOCKET@
   ModTileRequestTimeout 3
-  ModTileThrottlingRenders 128 0.2
-  ModTileThrottlingTiles 10000 1
+  ModTileThrottlingRenders 1 0.2
+  ModTileThrottlingTiles 1 1
   ModTileTileDir @TILE_DIR@
   ModTileVeryOldThreshold -10000000
 </VirtualHost>

tests/renderd.conf.in

@@ -53,7 +53,8 @@ XML=@PROJECT_SOURCE_DIR@/utils/example-map/mapnik.xml
 [@DEFAULT_MAP_NAME@_parameterization]
 PARAMETERIZE_STYLE=language
 TILEDIR=@TILE_DIR@
-URI=/tiles/parameterization/
+TYPE=png image/png# Test two parts (rather than three)
+URI=/tiles/parameterization# Test no trailing slash
 XML=@PROJECT_SOURCE_DIR@/utils/example-map/mapnik.xml
 
 # Test Comment: JPEG Map Section