X-Git-Url: https://plomlompom.com/repos/?a=blobdiff_plain;f=src%2Fserver%2Frun.c;h=b715ca4e74329617085f9dc4317e4f4202d060b2;hb=6cae62aad97d9220253cba2a9c0881f714a63d1c;hp=952cebb566d317d46bc62df7a1a8a3233d02fd73;hpb=d92f16d5959fc846d3eaf669517eecb3969cda08;p=plomrogue diff --git a/src/server/run.c b/src/server/run.c index 952cebb..b715ca4 100644 --- a/src/server/run.c +++ b/src/server/run.c @@ -1,45 +1,206 @@ -/* src/server/run.c */ +/* src/server/run.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 200809L #include "run.h" #include /* NULL */ #include /* uint8_t, uint16_t, uint32_t */ -#include /* FILE, sprintf(), fflush() */ +#include /* FILE, printf(), fflush() */ #include /* free() */ -#include /* strlen(), strcmp() strncmp(), atoi() */ +#include /* strlen(), strcmp(), strncmp(), strdup() */ +#include /* time_t, time() */ #include /* access() */ +#include "../common/parse_file.h" /* set_err_line_options(), token_from_line(), + * err_line(), err_line_inc(), parse_val() + */ #include "../common/readwrite.h" /* try_fopen(), try_fcose(), try_fwrite(), - * try_fgets(), try_fclose_unlink_rename(), - * textfile_width(), try_fputc() + * try_fgets(), textfile_width(), try_fputc(), + * atomic_write_finish(), build_temp_path() */ #include "../common/rexit.h" /* exit_trouble(), exit_err() */ +#include "../common/try_malloc.h" /* try_malloc() */ #include "ai.h" /* ai() */ #include "cleanup.h" /* unset_cleanup_flag() */ -#include "init.h" /* remake_world() */ -#include "io.h" /* io_round() */ -#include "thing_actions.h" /* get_thing_action_id_by_name() */ -#include "things.h" /* Thing, get_player() */ -#include "world.h" /* global world */ +#include "god_commands.h" /* parse_god_command_(1|2|3)arg() */ +#include "hardcoded_strings.h" /* s */ +#include "io.h" /* io_round(), save_world() */ +#include "things.h" /* Thing, get_thing_action_id_by_name(), get_player() */ +#include "world.h" /* world */ + + + +/* If "string" and "comparand" match in string, set "c_to_set" to value." */ +static uint8_t set_char_by_string_comparison(char * string, char * comparand, + char * c_to_set, char value); + +/* Return 1 on world.exists, else 0 and err_line() appropriate error message. */ +static uint8_t player_commands_allowed(); +/* Parse player command "tok0" with no argument to player action. */ +static uint8_t parse_player_command_0arg(char * tok0); +/* Parse player command "tok0" with one argument "tok1" to player action. */ +static uint8_t parse_player_command_1arg(char * tok0, char * tok1); + +/* Parse/apply command "tok0" (read further tokens as necessary). */ +static uint8_t parse_command(char * tok0); + +/* Compares first line of server out file to world.server_test, aborts if they + * don't match, but not before unsetting the flags deleting files in the server + * directory, for in that case those must be assumed to belong to another server + * process. + */ +static void server_test(); /* Run the game world and its inhabitants (and their actions) until the player * avatar is free to receive new commands (or is dead). */ static void turn_over(); -/* If "msg"'s first part matches "command_name", set player's Thing's .command - * to the command's id and its .arg to a numerical value following in the latter - * part of "msg" (if no digits are found, use 0); then finish player's turn and - * turn game over to the NPCs via turn_over(); then return 1. Else, return 0. - */ -static uint8_t apply_player_command(char * msg, char * command_name); -/* Compares first line of file at world.path_out to world.server_test, aborts if - * they don't match, but not before unsetting the flags deleting files in the - * server directory, for in that case those must be assumed to belong to another - * server process. - */ -static void server_test(); + +static uint8_t set_char_by_string_comparison(char * string, char * comparand, + char * c_to_set, char value) +{ + if (!strcmp(string, comparand)) + { + * c_to_set = value; + return 1; + } + return 0; +} + + + +static uint8_t player_commands_allowed() +{ + if (!world.exists) + { + return !err_line(1, "No world exists in which to run player commands."); + } + return 1; +} + + + +static uint8_t parse_player_command_0arg(char * tok0) +{ + struct Thing * player = get_player(); + if ( !strcmp(tok0, s[S_CMD_WAIT]) || !strcmp(tok0, s[S_CMD_PICKUP]) + || !strcmp(tok0, s[S_CMD_AI])) + { + if (player_commands_allowed()) + { + if (!strcmp(tok0, s[S_CMD_AI])) + { + ai(player); + } + else + { + player->command = get_thing_action_id_by_name(tok0); + player->arg = 0; + } + turn_over(); + } + return 1; + } + return 0; +} + + + +static uint8_t parse_player_command_1arg(char * tok0, char * tok1) +{ + struct Thing * player = get_player(); + if ( ( parse_val(tok0, tok1, s[S_CMD_DROP], '8', (char *) &player->arg) + || parse_val(tok0, tok1, s[S_CMD_USE], '8', (char *) &player->arg)) + && player_commands_allowed()) + { + player->command = get_thing_action_id_by_name(tok0); + turn_over(); + } + else if (!strcmp(tok0, s[S_CMD_MOVE]) && player_commands_allowed()) + { + char dir = '\0'; + if (!( set_char_by_string_comparison(tok1, "east", &dir, 'd') + || set_char_by_string_comparison(tok1, "south-east", &dir, 'c') + || set_char_by_string_comparison(tok1, "south-west", &dir, 'x') + || set_char_by_string_comparison(tok1, "west", &dir, 's') + || set_char_by_string_comparison(tok1, "north-west", &dir, 'w') + || set_char_by_string_comparison(tok1, "north-east", &dir, 'e'))) + { + return 0; + } + player->arg = dir; + player->command = get_thing_action_id_by_name(tok0); + turn_over(); + } + else + { + return 0; + } + return 1; +} + + + +static uint8_t parse_command(char * tok0) +{ + if (parse_player_command_0arg(tok0)) + { + return 1; + } + else + { + char * tok1 = token_from_line(NULL); + if (tok1 && ( parse_player_command_1arg(tok0, tok1) + || parse_god_command_1arg(tok0, tok1))) + { + return 1; + } + else + { + char * tok2 = token_from_line(NULL); + if (tok2 && parse_god_command_2arg(tok0, tok1, tok2)) + { + return 1; + } + else + { + char * tok3 = token_from_line(NULL); + if (tok2 && parse_god_command_3arg(tok0, tok1, tok2, tok3)) + { + return 1; + } + } + } + } + return 0; +} + + + +static void server_test() +{ + char test[10 + 1 + 10 + 1 + 1]; + FILE * file = try_fopen(s[S_PATH_OUT], "r", __func__); + try_fgets(test, 10 + 10 + 1 + 1, file, __func__); + try_fclose(file, __func__); + if (strcmp(test, world.server_test)) + { + unset_cleanup_flag(CLEANUP_WORLDSTATE); + unset_cleanup_flag(CLEANUP_OUT); + unset_cleanup_flag(CLEANUP_IN); + char * msg = "Server test string in server output file does not match. " + "This indicates that the current server process has been " + "superseded by another one."; + exit_err(1, msg); + } +} @@ -51,7 +212,7 @@ static void turn_over() while ( 0 < player->lifepoints || (0 == player->lifepoints && start_turn == world.turn)) { - if (NULL == thing) + if (!thing) { world.turn++; thing = world.things; @@ -67,11 +228,7 @@ static void turn_over() ai(thing); } thing->progress++; - struct ThingAction * ta = world.thing_actions; - while (ta->id != thing->command) - { - ta = ta->next; - } + struct ThingAction * ta = get_thing_action(thing->command); if (thing->progress == ta->effort) { ta->func(thing); @@ -85,96 +242,91 @@ static void turn_over() -static uint8_t apply_player_command(char * msg, char * command_name) +extern void record(char * msg, uint8_t force) { - if (!strncmp(msg, command_name, strlen(command_name))) + static FILE * file_tmp = NULL; + static time_t save_wait = 0; + static char * path_tmp; + if (!file_tmp) { - struct Thing * player = get_player(); - player->arg = atoi(&(msg[strlen(command_name)])); - player->command = get_thing_action_id_by_name(command_name); - turn_over(); - return 1; + path_tmp = build_temp_path(s[S_PATH_RECORD]); + file_tmp = try_fopen(path_tmp, "w", __func__); + if (!access(s[S_PATH_RECORD], F_OK)) + { + FILE * file_read = try_fopen(s[S_PATH_RECORD], "r", __func__); + uint32_t linemax = textfile_width(file_read); + char * line = try_malloc(linemax + 1, __func__); + while (try_fgets(line, linemax + 1, file_read, __func__)) + { + try_fwrite(line, strlen(line), 1, file_tmp, __func__); + } + free(line); + try_fclose(file_read, __func__); + } } - return 0; -} - - - -static void server_test() -{ - char * f_name = "server_test()"; - char test[10 + 1 + 10 + 1 + 1]; - FILE * file = try_fopen(world.path_out, "r", f_name); - try_fgets(test, 10 + 10 + 1 + 1, file, f_name); - try_fclose(file, f_name); - if (strcmp(test, world.server_test)) + if (msg) { - unset_cleanup_flag(CLEANUP_WORLDSTATE); - unset_cleanup_flag(CLEANUP_OUT); - unset_cleanup_flag(CLEANUP_IN); - char * msg = "Server test string in server output file does not match. " - "This indicates that the current server process has been " - "superseded by another one."; - exit_err(1, msg); + try_fwrite(msg, strlen(msg), 1, file_tmp, __func__); + try_fputc('\n', file_tmp, __func__); + } + if (force || time(NULL) > save_wait + 15) + { + save_wait = time(NULL); + save_world(); + atomic_write_finish(file_tmp, s[S_PATH_RECORD], path_tmp); + file_tmp = NULL; } } -extern void obey_msg(char * msg, uint8_t do_record) +extern void obey_msg(char * msg, uint8_t do_record, uint8_t do_verbose) { - char * f_name = "obey_msg()"; - if ( apply_player_command(msg, "wait") /* TODO: Check for non-error */ - || apply_player_command(msg, "move") /* return value of a modified */ - || apply_player_command(msg, "pick_up")/*get_thing_action_id_by_name()*/ - || apply_player_command(msg, "drop") /* and if id found, execute on */ - || apply_player_command(msg, "use")); /* it what's in */ - else /* apply_player_command(). */ - { - char * seed_command = "seed"; - if (!strncmp(msg, seed_command, strlen(seed_command))) - { - remake_world(atoi(&(msg[strlen(seed_command)]))); - } + if (world.is_verbose && do_verbose) + { + exit_trouble(-1 == printf("Input: %s\n", msg), __func__, "printf"); } - if (do_record) + set_err_line_options("Trouble with message: ", msg, 0); + char * msg_copy = strdup(msg); + char * tok0 = token_from_line(msg_copy); + if (tok0) { - char path_tmp[strlen(world.path_record) + strlen(world.tmp_suffix) + 1]; - sprintf(path_tmp, "%s%s", world.path_record, world.tmp_suffix); - FILE * file_tmp = try_fopen(path_tmp, "w", f_name); - if (!access(world.path_record, F_OK)) + + if (parse_command(tok0)) { - FILE * file_read = try_fopen(world.path_record, "r", f_name); - uint32_t linemax = textfile_width(file_read); - char line[linemax + 1]; - while (try_fgets(line, linemax + 1, file_read, f_name)) + if (world.exists) { - try_fwrite(line, strlen(line), 1, file_tmp, f_name); + world.do_update = 1; } - try_fclose(file_read, f_name); + if (do_record) + { + record(msg, 0); + } + char * tokplus = token_from_line(NULL); + err_line(!(!tokplus), "Too many arguments, ignoring overflow."); + free(msg_copy); + return; } - try_fwrite(msg, strlen(msg), 1, file_tmp, f_name); - try_fputc('\n', file_tmp, f_name); - try_fclose_unlink_rename(file_tmp, path_tmp, world.path_record, f_name); } + err_line(1, "Unknown command/argument or bad number of tokens."); + free(msg_copy); } extern uint8_t io_loop() { - char * f_name = "io_loop()"; while (1) { - server_test(); char * msg = io_round(); - if (NULL == msg) + server_test(); + if (!msg) { continue; } if (world.is_verbose) { - exit_trouble(-1 == printf("Input: %s\n", msg), f_name, "printf()"); + exit_trouble(-1 == printf("Input: %s\n", msg), __func__, "printf"); } if (!strcmp("QUIT", msg)) { @@ -185,7 +337,7 @@ extern uint8_t io_loop() { free(msg); char * pong = "PONG\n"; - try_fwrite(pong, strlen(pong), 1, world.file_out, f_name); + try_fwrite(pong, strlen(pong), 1, world.file_out, __func__); fflush(world.file_out); continue; } @@ -194,7 +346,7 @@ extern uint8_t io_loop() free(msg); return 0; } - obey_msg(msg, 1); + obey_msg(msg, 1, 0); free(msg); } }