/* src/server/main.c */
#include <errno.h> /* global errno */
-#include <stdio.h> /* printf() */
+#include <stdio.h> /* printf(), fflush() */
#include <stdlib.h> /* exit() */
+#include <string.h> /* strlen() */
#include <sys/stat.h> /* mkfifo(), mkdir() */
-#include <unistd.h> /* access() */
+#include <sys/types.h> /* defines pid_t, time_t */
+#include <time.h> /* #time() */
+#include <unistd.h> /* access(), getpid(), unlink() */
#include "../common/err_try_fgets.h" /* set_err_try_fgets_delim() */
-#include "../common/rexit.h" /* exit_err, exit_trouble(), set_cleanup_func() */
+#include "../common/readwrite.h" /* try_fopen(), try_fwrite(), try_fclose() */
+#include "../common/rexit.h" /* exit_err, set_cleanup_func() */
+#include "../common/try_malloc.h" /* try_malloc() */
#include "cleanup.h" /* set_cleanup_flag(), cleanup() */
#include "init.h" /* run_game(), obey_argv() */
#include "map_object_actions.h" /* init_map_object_actions() */
}
world.path_map_obj_defs = "confserver/defs";
world.path_map_obj_acts = "confserver/map_object_actions";
- world.path_in = "server/in";
- world.path_out = "server/out";
- world.path_record = "record";
- world.tmp_suffix = "_tmp";
+ world.path_worldstate = "server/worldstate";
+ world.path_out = "server/out";
+ world.path_in = "server/in";
+ world.path_record = "record";
+ world.tmp_suffix = "_tmp";
set_err_try_fgets_delim("%%\n");
/* Set map geometry. */
exit_err(access(world.path_map_obj_defs, F_OK), err_mod);
exit_err(access(world.path_map_obj_acts, F_OK), err_moa);
- /* Treat world.path_in file as server process lock file. */
- char * err = "Found pre-existing input fifo file. This indicates another "
- "roguelike-server may be running. It should be killed first.";
- exit_err(!access(world.path_in, F_OK), err);
- int test = mkdir("server", 0700);
- exit_trouble(test && EEXIST != errno, f_name, "mkdir()");
- exit_trouble(mkfifo(world.path_in, 0600), f_name, "mkfifo()");
- set_cleanup_flag(CLEANUP_FIFO);
-
/* Init from config files map object (action) definitions. */
init_map_object_defs();
init_map_object_actions();
+ /* Create server directory if it does not exist yet. */
+ int test = mkdir("server", 0700);
+ exit_trouble(test && EEXIST != errno, f_name, "mkdir()");
+
+ /* Create server out file and start it with server process test string. */
+ world.file_out = try_fopen(world.path_out, "w", f_name);
+ world.server_test = try_malloc(10 + 1 + 10 + 1 + 1, f_name);
+ sprintf(world.server_test, "%d %d\n", getpid(), (int) time(0));
+ try_fwrite(world.server_test, strlen(world.server_test), 1,
+ world.file_out, f_name);
+ fflush(world.file_out);
+ set_cleanup_flag(CLEANUP_OUT);
+
+ /* Create server in file, switch to reading it. */
+ if (!access(world.path_in, F_OK)) /* This keeps out input from old input */
+ { /* file streams of clients */
+ unlink(world.path_in); /* communicating with server processes */
+ } /* superseded by this current one. */
+ world.file_in = try_fopen(world.path_in, "w", f_name);
+ try_fclose(world.file_in, f_name);
+ world.file_in = try_fopen(world.path_in, "r", f_name);
+ set_cleanup_flag(CLEANUP_IN);
+
/* Enter play or replay mode loops, then leave properly. */
run_game();
cleanup();