Enforce C11 via Makefile, explicate POSIX dependencies in source files.

[plomrogue] / src / server / init.c

diff --git a/src/server/init.c b/src/server/init.c
index f6b56a631dfa8199642ba674c2e9ced14c1b8738..3a83c34025d53ff56f74b23bb423a368fb9ee306 100644 (file)
--- a/src/server/init.c
+++ b/src/server/init.c
@@ -1,18 +1,31 @@
 /* src/server/init.c */
 
+#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 <stdio.h> /* sprintf(), fflush() */
 #include <stdlib.h> /* exit(), free() */
-#include <string.h> /* atoi() */
+#include <string.h> /* atoi(), 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() */
-#include "../common/readwrite.h" /* try_fopen(), try_fclose(), textfile_sizes(),
-                                  * try_fgets()
+#include <unistd.h> /* optarg, getopt(), access(), unlink(), getpid() */
+#include "../common/readwrite.h" /* try_fopen(), try_fclose(), textfile_width(),
+                                  * try_fgets(), try_fwrite()
                                   */
 #include "../common/rexit.h" /* exit_err() */
-#include "cleanup.h" /* set_cleanup_flag() */
-#include "map_objects.h" /* free_map_objects(), add_map_objects() */
+#include "../common/try_malloc.h" /* try_malloc() */
+#include "cleanup.h" /* set_cleanup_flag(), CLEANUP_MAP_OBJ_DEFS,
+                      * CLEANUP_MAP_OBJ_ACTS
+                      */
+#include "io.h" /* read_config_file(), struct EntrySkeleton */
 #include "map.h" /* init_map() */
+#include "map_object_actions.h" /* struct MapObjAct, read_map_object_action() */
+#include "map_objects.h" /* struct MapObjDef, free_map_objects(),
+                          * add_map_objects(), read_map_object_def()
+                          */
 #include "rrand.h" /* rrand() */
 #include "run.h" /* obey_msg(), io_loop() */
 #include "world.h" /* global world */
@@ -45,20 +58,60 @@ extern void obey_argv(int argc, char * argv[])
 
 
 
+extern void init_map_and_map_objects_configs()
+{
+    world.map.size.x = 64;
+    world.map.size.y = 64;
+    world.map.dist_orthogonal = 5;
+    world.map.dist_diagonal   = 7;
+    char * err_mod = "No map object definitions file.";
+    char * err_moa = "No map object actions file.";
+    exit_err(access(world.path_map_obj_defs, F_OK), err_mod);
+    exit_err(access(world.path_map_obj_acts, F_OK), err_moa);
+    read_config_file(world.path_map_obj_defs, CLEANUP_MAP_OBJECT_DEFS,
+                     read_map_object_def, sizeof(struct MapObjDef),
+                     (struct EntrySkeleton **) &world.map_obj_defs);
+    read_config_file(world.path_map_obj_acts, CLEANUP_MAP_OBJECT_ACTS,
+                     read_map_object_action, sizeof(struct MapObjAct),
+                     (struct EntrySkeleton **) &world.map_obj_acts);
+}
+
+
+
+extern void setup_server_io()
+{
+    char * f_name = "setup_server_io()";
+    int test = mkdir("server", 0700);
+    exit_trouble(test && EEXIST != errno, f_name, "mkdir()");
+    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);
+    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);
+}
+
+
+
 extern void remake_world(uint32_t seed)
 {
+    char * f_name = "remake_world()";
     free(world.log);
-    world.log = NULL;
+    world.log = NULL;  /* map_object_action.c's update_log() checks for this. */
     world.seed = seed;
     world.map_obj_count = 0;
-    world.score = 0;
     free(world.map.cells);
-    if (world.map_objs)
-    {
-        free_map_objects(world.map_objs);
-    }
+    free_map_objects(world.map_objs);
     world.last_update_turn = 0;
-    world.turn = 1;
     init_map();
     add_map_objects(0, 1);
     add_map_objects(1, 1 + rrand() % 27);
@@ -67,6 +120,11 @@ extern void remake_world(uint32_t seed)
     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;
 }
 
 
@@ -77,7 +135,7 @@ extern void run_game()
     if (!access(world.path_record, F_OK))
     {
         FILE * file = try_fopen(world.path_record, "r", f_name);
-        uint32_t linemax = textfile_sizes(file, NULL);
+        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))