-/* src/server/init.c */
+/* src/server/init.c
+ *
+ * This file is part of PlomRogue. PlomRogue is licensed under the GPL version 3
+ * or any later version. For details on its copyright, license, and warranties,
+ * see the file NOTICE in the root directory of the PlomRogue source package.
+ */
+#define _POSIX_C_SOURCE 2 /* getopt(), optarg */
#include "init.h"
+#include <errno.h> /* global errno, EEXIST */
#include <stddef.h> /* NULL */
#include <stdint.h> /* uint32_t */
-#include <stdlib.h> /* exit(), free() */
-#include <string.h> /* atoi() */
+#include <stdio.h> /* FILE, sprintf(), fflush() */
+#include <stdlib.h> /* exit(), free(), atoi() */
+#include <string.h> /* strlen() */
+#include <sys/stat.h> /* mkdir() */
+#include <sys/types.h> /* defines pid_t, time_t */
#include <time.h> /* time() */
-#include <unistd.h> /* optarg, getopt(), access(), unlink() */
+#include <unistd.h> /* optarg, getopt(), access(), getpid() */
+#include "../common/parse_file.h" /* err_line_zero(), err_line_inc() */
#include "../common/readwrite.h" /* try_fopen(), try_fclose(), textfile_width(),
- * try_fgets()
+ * try_fgets(), try_fwrite(),
+ * detect_atomic_leftover()
*/
-#include "../common/rexit.h" /* exit_err() */
+#include "../common/rexit.h" /* exit_err(), exit_trouble() */
+#include "../common/try_malloc.h" /* try_malloc() */
#include "cleanup.h" /* set_cleanup_flag() */
-#include "map_objects.h" /* free_map_objects(), add_map_objects() */
-#include "map.h" /* init_map() */
-#include "rrand.h" /* rrand() */
-#include "run.h" /* obey_msg(), io_loop() */
+#include "field_of_view.h" /* update_map_memory() */
+#include "hardcoded_strings.h" /* s */
+#include "map.h" /* remake_map() */
+#include "things.h" /* Thing, ThingType, free_things(), add_things(),
+ * get_thing_id_action_id_by_name(), get_player()
+ */
+#include "run.h" /* obey_msg(), io_loop(), record(), send_to_outfile() */
#include "world.h" /* global world */
+
+/* Pass to obey_msg() lines from file at "path", on "record" write to same. Do
+ * not pass lines that consist only of a newline character. Transform newline
+ * in the line passed to \0.
+ */
+static void obey_lines_from_file(char * path, uint8_t record);
+
+/* Replay game from record file up to the turn named in world.replay, then turn
+ * over to manual replay via io_loop().
+ */
+static void replay_game();
+
+/* Return 1 if the type defined by world.player_type has a .start_n of 0.
+ * Return 2 if no thing action with .name of s[S_CMD_WAIT] is defined.
+ * Else, return 0.
+ */
+static uint8_t world_cannot_be_made();
+
+
+static void obey_lines_from_file(char * path, uint8_t record)
+{
+ FILE * file = try_fopen(path, "r", __func__);
+ uint32_t linemax = textfile_width(file);
+ char * line = try_malloc(linemax + 1, __func__);
+ while (try_fgets(line, linemax + 1, file, __func__))
+ {
+ if (strlen(line))
+ {
+ if (strcmp("\n", line))
+ {
+ char * nl = strchr(line, '\n');
+ if (nl)
+ {
+ *nl = '\0';
+ }
+ obey_msg(line, record);
+ }
+ err_line_inc();
+ }
+ }
+ free(line);
+ try_fclose(file, __func__);
+}
+
+
+
+static void replay_game()
+{
+ exit_err(access(s[S_PATH_RECORD], F_OK), "No record found to replay.");
+ FILE * file = try_fopen(s[S_PATH_RECORD], "r", __func__);
+ uint32_t linemax = textfile_width(file);
+ char * line = try_malloc(linemax + 1, __func__);
+ while ( world.turn < world.replay
+ && try_fgets(line, linemax + 1, file, __func__))
+ {
+ obey_msg(line, 0);
+ err_line_inc();
+ }
+ uint8_t end = 0;
+ while (3 == io_loop(2))
+ {
+ if (!end)
+ {
+ end = (NULL == try_fgets(line, linemax + 1, file, __func__));
+ if (!end)
+ {
+ obey_msg(line, 0);
+ err_line_inc();
+ }
+ }
+ }
+ free(line);
+ try_fclose(file, __func__);
+}
+
+
+
+static uint8_t world_cannot_be_made()
+{
+ uint8_t player_will_be_generated = 0;
+ struct ThingType * tt;
+ for (tt = world.thing_types; tt; tt = tt->next)
+ {
+ if (world.player_type == tt->id)
+ {
+ player_will_be_generated = 0 < tt->start_n;
+ break;
+ }
+ }
+ if (!player_will_be_generated)
+ {
+ return 1;
+ }
+ if (!get_thing_action_id_by_name(s[S_CMD_WAIT]))
+ {
+ return 2;
+ }
+ return 0;
+}
+
+
+
extern void obey_argv(int argc, char * argv[])
{
int opt;
-extern void remake_world(uint32_t seed)
+extern void setup_server_io()
{
- char * f_name = "remake_world()";
- free(world.log);
- world.log = NULL; /* map_object_action.c's update_log() checks for this. */
- world.seed = seed;
- world.map_obj_count = 0;
- free(world.map.cells);
- free_map_objects(world.map_objs);
- world.last_update_turn = 0;
- init_map();
- add_map_objects(0, 1);
- add_map_objects(1, 1 + rrand() % 27);
- add_map_objects(2, 1 + rrand() % 9);
- add_map_objects(3, 1 + rrand() % 3);
- add_map_objects(4, 1 + rrand() % 3);
- add_map_objects(5, 1 + rrand() % 3);
- set_cleanup_flag(CLEANUP_MAP_OBJECTS);
- if (world.turn)
- {
- exit_trouble(unlink(world.path_record), f_name, "unlink()");
- }
- world.turn = 1;
+ int test = mkdir("server", 0700);
+ exit_trouble(test && EEXIST != errno, __func__, "mkdir");
+ world.file_out = try_fopen(s[S_PATH_OUT], "w", __func__);
+ world.server_test = try_malloc(10 + 1 + 10 + 1 + 1, __func__);
+ test = sprintf(world.server_test, "%d %d\n", getpid(), (int) time(0));
+ exit_trouble(test < 0, __func__, s[S_FCN_SPRINTF]);
+ try_fwrite(world.server_test, strlen(world.server_test), 1,
+ world.file_out, __func__);
+ fflush(world.file_out);
+ set_cleanup_flag(CLEANUP_OUT);
+ char * path_in = s[S_PATH_IN];
+ if (!access(path_in, F_OK)) /* This keeps out input from old input */
+ { /* file streams of clients */
+ unlink(path_in) ; /* communicating with server processes */
+ } /* superseded by this current one. */
+ world.file_in = try_fopen(path_in, "w", __func__);
+ try_fclose(world.file_in, __func__);
+ world.file_in = try_fopen(path_in, "r", __func__);
+ set_cleanup_flag(CLEANUP_IN);
}
-extern void run_game()
+extern uint8_t remake_world()
{
- char * f_name = "run_game()";
- if (!access(world.path_record, F_OK))
+ uint8_t test = world_cannot_be_made();
+ if (test)
{
- FILE * file = try_fopen(world.path_record, "r", f_name);
- uint32_t linemax = textfile_width(file);
- char line[linemax + 1];
- while ( (!world.replay || (world.turn < world.replay))
- && NULL != try_fgets(line, linemax + 1, file, f_name))
- {
- obey_msg(line, 0);
- }
- if (!world.replay)
+ return test;
+ }
+ world.seed_map = world.seed;
+ free_things(world.things);
+ remake_map();
+ world.exists = 1;
+ struct ThingType * tt;
+ for (tt = world.thing_types; tt; tt = tt->next)
+ {
+ if (world.player_type == tt->id)
{
- try_fclose(file, f_name);
- io_loop();
- return;
+ add_things(tt->id, tt->start_n);
+ break;
}
- uint8_t end = 0;
- while (!io_loop())
+ }
+ update_map_memory(get_player(), 1);
+ for (tt = world.thing_types; tt; tt = tt->next)
+ {
+ if (world.player_type != tt->id)
{
- if (!end)
- {
- end = (NULL == try_fgets(line, linemax + 1, file, f_name));
- if (!end)
- {
- obey_msg(line, 0);
- }
- }
+ add_things(tt->id, tt->start_n);
}
- try_fclose(file, f_name);
+ }
+ world.turn = 1;
+ send_to_outfile("NEW_WORLD\n", 1);
+ return 0;
+}
+
+
+
+extern void run_game()
+{
+ detect_atomic_leftover(s[S_PATH_SAVE]);
+ detect_atomic_leftover(s[S_PATH_RECORD]);
+ err_line_zero();
+ if (world.replay)
+ {
+ replay_game();
return;
}
- exit_err(world.replay, "No record file found to replay.");
- char * command = "seed";
- char msg[strlen(command) + 1 + 11 + 1];
- sprintf(msg, "%s %d", command, (int) time(NULL));
- obey_msg(msg, 1);
- io_loop();
+ if (!access(s[S_PATH_SAVE], F_OK))
+ {
+ obey_lines_from_file(s[S_PATH_SAVE], 0);
+ }
+ else
+ {
+ char * err = "No world config file from which to start a new world.";
+ exit_err(access(s[S_PATH_CONFIG], F_OK), err);
+ obey_lines_from_file(s[S_PATH_CONFIG], 1);
+ err_line_zero();
+ char * command = s[S_CMD_MAKE_WORLD];
+ char * msg = try_malloc(strlen(command) + 1 + 11 + 1, __func__);
+ int test = sprintf(msg, "%s %d", command, (int) time(NULL));
+ exit_trouble(test < 0, __func__, s[S_FCN_SPRINTF]);
+ obey_msg(msg, 1);
+ free(msg);
+ }
+ err_line_zero();
+ io_loop(1);
+ record(NULL, 1);
}
projects / plomrogue / blobdiff