X-Git-Url: https://plomlompom.com/repos/?a=blobdiff_plain;f=src%2Fserver%2Frun.c;h=d88d583041b3f5007686d42a1ac02a383ee9d549;hb=6c2654a6e4be4cdec81067002c667ade9895a82a;hp=ba48d8ce3690392dacd39bcb4de5ee9bbd1888a7;hpb=2b2a1e0169b3a863fd87b679d789a4e2b789eb67;p=plomrogue diff --git a/src/server/run.c b/src/server/run.c index ba48d8c..d88d583 100644 --- a/src/server/run.c +++ b/src/server/run.c @@ -10,12 +10,13 @@ #include /* NULL */ #include /* uint8_t, uint16_t, uint32_t, int16_t */ #include /* FILE, printf(), fflush() */ -#include /* free() */ +#include /* atoi(), free() */ #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() + * err_line(), err_line_inc(), parse_val(), + * parestest_int() */ #include "../common/readwrite.h" /* try_fopen(), try_fcose(), try_fwrite(), * try_fgets(), textfile_width(), try_fputc(), @@ -42,19 +43,21 @@ static uint8_t set_char_by_string_comparison(char * string, char * comparand, /* 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. */ +/* Parse player commands "tok0" with optional argument "tok1" to player action. + * Return 1 on success, 0 on failure. + */ 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); +/* Parse/apply (non-)meta command "tok0" (read further tokens as necessary). + * Return 0 on failure, 1 on success, 2 on QUIT meta command. + */ +static uint8_t parse_command_nonmeta(char * tok0); +static uint8_t parse_command_meta(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. +/* Compare 1st line of server out file to world.server_test, abort if they don't + * match, but not before unsetting 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(); @@ -71,9 +74,6 @@ static uint8_t thing_in_whitelist(uint8_t id, int16_t * whitelist); */ static void turn_over(); -/* Try to read "msg" as meta command, act accordingly; on success, free it. */ -static uint8_t meta_commands(char * msg); - static uint8_t set_char_by_string_comparison(char * string, char * comparand, @@ -161,7 +161,7 @@ static uint8_t parse_player_command_1arg(char * tok0, char * tok1) -static uint8_t parse_command(char * tok0) +static uint8_t parse_command_nonmeta(char * tok0) { if (parse_player_command_0arg(tok0)) { @@ -197,6 +197,48 @@ static uint8_t parse_command(char * tok0) +static uint8_t parse_command_meta(char * tok0) +{ + if (!strcmp("QUIT", tok0)) + { + return 2; + } + if (!strcmp("PING", tok0)) + { + send_to_outfile("PONG\n", 1); + return 1; + } + if (!strcmp("THINGS_HERE", tok0)) + { + char * tok1 = token_from_line(NULL); + char * tok2 = token_from_line(NULL); + if (tok1&&tok2 && !parsetest_int(tok1, '8')&&!parsetest_int(tok2, '8')) + { + if (!world.exists) + { + err_line(1, "Command only works on existing worlds."); + return 0; + } + send_to_outfile("THINGS_HERE START\n", 1); + struct Thing * t; + for (t = world.things; t; t = t->next) + { + if (t->pos.y == atoi(tok1) && t->pos.x == atoi(tok2)) + { + struct ThingType * tt = get_thing_type(t->type); + send_to_outfile(tt->name, 0); + send_to_outfile("\n", 1); + } + } + send_to_outfile("THINGS_HERE END\n", 1); + return 1; + } + } + return 0; +} + + + static void server_test() { char test[10 + 1 + 10 + 1 + 1]; @@ -290,47 +332,13 @@ static void turn_over() -static uint8_t meta_commands(char * msg) +extern void send_to_outfile(char * answer, uint8_t flush) { - if (!strcmp("QUIT", msg)) - { - free(msg); - return 2; - } - if (!strcmp("PING", msg)) - { - free(msg); - send_to_outfile("PONG\n"); - return 1; - } - if (!strcmp("STACK", msg)) + try_fwrite(answer, strlen(answer), 1, world.file_out, __func__); + if (flush) { - free(msg); - send_to_outfile("THINGS_BELOW_PLAYER START\n"); - struct Thing * player = get_player(); - struct Thing * t; - for (t = world.things; t; t = t->next) - { - if ( t->pos.y == player->pos.y && t->pos.x == player->pos.x - && t != player) - { - struct ThingType * tt = get_thing_type(t->type); - send_to_outfile(tt->name); - send_to_outfile("\n"); - } - } - send_to_outfile("THINGS_BELOW_PLAYER END\n"); - return 1; + fflush(world.file_out); } - return 0; -} - - - -extern void send_to_outfile(char * answer) -{ - try_fwrite(answer, strlen(answer), 1, world.file_out, __func__); - fflush(world.file_out); } @@ -373,69 +381,65 @@ extern void record(char * msg, uint8_t force) -extern void obey_msg(char * msg, uint8_t do_record, uint8_t do_verbose) +extern uint8_t obey_msg(char * msg, uint8_t obey_state) { - if (world.is_verbose && do_verbose) + if (world.is_verbose) { exit_trouble(-1 == printf("Input: %s\n", msg), __func__, "printf"); } set_err_line_options("Trouble with message: ", msg, 0); char * msg_copy = strdup(msg); char * tok0 = token_from_line(msg_copy); + uint8_t ret = 0; if (tok0) { - - if (parse_command(tok0)) + ret = parse_command_meta(tok0); + if (ret || (obey_state < 2 && parse_command_nonmeta(tok0))) { - if (world.exists) - { - world.do_update = 1; - } - if (do_record) + if (!ret) { - record(msg, 0); + if (world.exists) + { + world.do_update = 1; + } + if (1 == obey_state) + { + record(msg, 0); + } } char * tokplus = token_from_line(NULL); err_line(!(!tokplus), "Too many arguments, ignoring overflow."); - free(msg_copy); - return; + } + else if (world.replay) + { + ret = 3; + } + else if (!world.replay) + { + err_line(1, "Invalid command/argument or bad number of tokens."); } } - err_line(1, "Unknown command/argument or bad number of tokens."); free(msg_copy); + return ret; } -extern uint8_t io_loop() +extern uint8_t io_loop(uint8_t obey_state) { while (1) { char * msg = io_round(); server_test(); - if (!msg) - { - continue; - } - if (world.is_verbose) + if (msg) { - exit_trouble(-1 == printf("Input: %s\n", msg), __func__, "printf"); - } - uint8_t test = meta_commands(msg); - if (test) - { - if (2 == test) + uint8_t ret = obey_msg(msg, obey_state); + free(msg); + if ( (!world.replay && 2 == ret) + || ( world.replay && 2 <= ret)) { - return 1; + return ret; } - continue; - } - if (world.replay) - { - free(msg); - return 0; } - obey_msg(msg, 1, 0); - free(msg); } }