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Comparing deliantra/server/ext/login.ext (file contents):
Revision 1.6 by root, Tue Dec 26 04:46:06 2006 UTC vs.
Revision 1.11 by root, Sun Jan 7 02:39:14 2007 UTC

… …
5use Fcntl; 5use Fcntl;
6use Coro::AIO; 6use Coro::AIO;
7 7
8my $PLAYERDIR = sprintf "%s/%s", cf::localdir, cf::playerdir; 8my $PLAYERDIR = sprintf "%s/%s", cf::localdir, cf::playerdir;
9 9
10# testbed for coroutines in crossfire : 10# paranoia function to overwrite a string-in-place
11sub nuke_str {
12 substr $_[0], 0, (length $_[0]), "x" x length $_[0]
13}
11 14
12sub query { 15sub query {
13 my ($ns, $flags, $text) = @_; 16 my ($ns, $flags, $text) = @_;
14 17
15 my $current = $Coro::current; 18 my $current = $Coro::current;
… …
32} 35}
33 36
34sub check_playing { 37sub check_playing {
35 my ($ns, $user) = @_; 38 my ($ns, $user) = @_;
36 39
37 return unless cf::player::find $user; 40 return unless cf::player::find_active $user;
38 41
39 $ns->send_drawinfo ( 42 $ns->send_drawinfo (
40 "That player is already logged in on this server. " 43 "That player is already logged in on this server. "
41 . "If you want to create a new player, choose another name. " 44 . "If you want to create a new player, choose another name. "
42 . "If you are already a registered player, make sure nobody " 45 . "If you are already a registered player, make sure nobody "
… …
49 ); 52 );
50 53
51 1 54 1
52} 55}
53 56
57sub check_clean_save {
58 my ($pl) = @_;
59
60 unless (delete $pl->{clean_save}) {
61 #d#TODO
62 }
63}
64
54# delete a player directory, be non-blocking AND synchronous... 65# delete a player directory, be non-blocking AND synchronous...
55# (thats hard, so we crap out and fork). 66# (thats hard, so we crap out and fork).
56sub nuke_playerdir { 67sub nuke_playerdir {
57 my ($user) = @_; 68 my ($user) = @_;
58 69
… …
60 system "cd \Q$PLAYERDIR\E " 71 system "cd \Q$PLAYERDIR\E "
61 . "&& mv \Q$user\E ~\Q$Coro::current\E~deleting~ 2>/dev/null " 72 . "&& mv \Q$user\E ~\Q$Coro::current\E~deleting~ 2>/dev/null "
62 . "&& (rm -rf ~\Q$Coro::current\E~deleting~ &)"; 73 . "&& (rm -rf ~\Q$Coro::current\E~deleting~ &)";
63} 74}
64 75
65sub on_addme { 76sub addme {
66 my ($ns) = @_; 77 my ($ns) = @_;
67 78
68 $ns->destroy if $ns->pl; 79 $ns->destroy if $ns->pl;
69 80
70 $ns->coro (sub { 81 $ns->async (sub {
71 my ($user, $pass); 82 my ($user, $pass);
72 83
73 $ns->send_packet ("addme_success"); 84 $ns->send_packet ("addme_success");
74 85
75 for (;;) { 86 for (;;) {
… …
120 . "that cannot be too much to ask for :)", 131 . "that cannot be too much to ask for :)",
121 cf::NDI_RED 132 cf::NDI_RED
122 ); 133 );
123 } 134 }
124 135
125 my $dir = "$PLAYERDIR/$user";
126 my $plfile = "$dir/$user.pl";
127
128 # lock this username for the remainder of this login session 136 # lock this username for the remainder of this login session
129 if ($cf::LOGIN_LOCK{$user}) { 137 if ($cf::LOGIN_LOCK{$user}) {
130 $ns->send_drawinfo ( 138 $ns->send_drawinfo (
131 "That username is currently used in another login session. " 139 "That username is currently used in another login session. "
132 . "Chose another, or wait till the other session has ended.", 140 . "Chose another, or wait till the other session has ended.",
… …
137 local $cf::LOGIN_LOCK{$user} = 1; 145 local $cf::LOGIN_LOCK{$user} = 1;
138 146
139 check_playing $ns, $user and next; 147 check_playing $ns, $user and next;
140 148
141 # try to read the user file and check the password 149 # try to read the user file and check the password
142 if (my $fh = aio_open $plfile, O_RDONLY, 0) { 150 if (my $fh = aio_open cf::player::path $user, O_RDONLY, 0) {
143 my $mtime = (stat $fh)[9]; 151 my $mtime = (stat $fh)[9];
144 152
145 0 < aio_read $fh, 0, 16384, my $buf, 0 or next; 153 0 < aio_read $fh, 0, 16384, my $buf, 0 or next;
146 $buf =~ /^password (\S+)$/m or next; 154 $buf =~ /^password (\S+)$/m or next;
147 my $hash = $1; 155 my $hash = $1;
148 156
149 if ($hash eq crypt $pass, $hash) { 157 if ($hash eq crypt $pass, $hash) {
158 nuke_str $pass;
150 # password matches, wonderful 159 # password matches, wonderful
151 my $pl = cf::player::load $plfile or next; 160 my $pl = cf::player::find $user or next;
152 $pl->enable_save (1);
153 $pl->connect ($ns); 161 $pl->connect ($ns);
162 check_clean_save $pl;
154 last; 163 last;
155 } elsif (can_cleanup $buf, $mtime) { 164 } elsif (can_cleanup $buf, $mtime) {
156 Coro::Timer::sleep 1; 165 Coro::Timer::sleep 1;
157 166
158 $ns->send_drawinfo ( 167 $ns->send_drawinfo (
… …
160 . "please try again. If not, you can now decide to take over this account " 169 . "please try again. If not, you can now decide to take over this account "
161 . "because it has not been in-use for some time.", 170 . "because it has not been in-use for some time.",
162 cf::NDI_RED 171 cf::NDI_RED
163 ); 172 );
164 173
174 #TODO: nuke_str
165 (query $ns, cf::CS_QUERY_SINGLECHAR, "Delete existing account and create a new one (Y/N)?") =~ /^[yY]/ 175 (query $ns, cf::CS_QUERY_SINGLECHAR, "Delete existing account and create a new one (Y/N)?") =~ /^[yY]/
166 or next; 176 or next;
167 177
168 # check if the file hasn't changed 178 # check if the file hasn't changed
169 aio_stat $plfile and next; 179 aio_stat cf::player::path $user and next;
170 $mtime == (stat _)[9] or next; 180 $mtime == (stat _)[9] or next;
171 181
172 nuke_playerdir $user; 182 nuke_playerdir $user;
173 183
174 # fall through to creation 184 # fall through to creation
175 } else { 185 } else {
186 nuke_str $pass;
187
176 Coro::Timer::sleep 1; 188 Coro::Timer::sleep 1;
177 189
178 $ns->send_drawinfo ( 190 $ns->send_drawinfo (
179 "Wrong username or password. Please try again " 191 "Wrong username or password. Please try again "
180 . "(check for Numlock and other semi-obvious error sources).", 192 . "(check for Numlock and other semi-obvious error sources).",
… …
190 nuke_playerdir $user; 202 nuke_playerdir $user;
191 203
192 my $pass2 = query $ns, cf::CS_QUERY_HIDEINPUT, "Please type your password again."; 204 my $pass2 = query $ns, cf::CS_QUERY_HIDEINPUT, "Please type your password again.";
193 205
194 if ($pass2 ne $pass) { 206 if ($pass2 ne $pass) {
207 nuke_str $pass;
208 nuke_str $pass2;
195 $ns->send_drawinfo ( 209 $ns->send_drawinfo (
196 "The passwords do not match, please try again.", 210 "The passwords do not match, please try again.",
197 cf::NDI_RED 211 cf::NDI_RED
198 ); 212 );
199 next; 213 next;
200 } 214 }
201 215
216 nuke_str $pass2;
217
202 my $pl = cf::player::create; 218 my $pl = cf::player::new $user;
203 $pl->ob->name ($user);
204 $pl->password (crypt $pass, join '', ('.', '/', 0..9, 'A'..'Z', 'a'..'z')[rand 64, rand 64]); 219 $pl->password (crypt $pass, join '', ('.', '/', 0..9, 'A'..'Z', 'a'..'z')[rand 64, rand 64]);
220 nuke_str $pass;
205 $pl->connect ($ns); 221 $pl->connect ($ns);
206 222
207 my $ob = $pl->ob; 223 my $ob = $pl->ob;
208 224
209 while () { 225 while () {
… …
232 $ns->send_drawinfo ($ob->msg, cf::NDI_BLUE); 248 $ns->send_drawinfo ($ob->msg, cf::NDI_BLUE);
233 $ns->send_packet (sprintf "query %d %s", cf::CS_QUERY_SINGLECHAR, 249 $ns->send_packet (sprintf "query %d %s", cf::CS_QUERY_SINGLECHAR,
234 "Now choose a character.\nPress any key to change outlook.\nPress `d' when you're pleased.\n"); 250 "Now choose a character.\nPress any key to change outlook.\nPress `d' when you're pleased.\n");
235 251
236 $ns->state (cf::ST_CHANGE_CLASS); 252 $ns->state (cf::ST_CHANGE_CLASS);
237 $pl->enable_save (1);#d# too early 253 delete $pl->{deny_save};#d# too early
238 254
239 last; 255 last;
240 } 256 }
241 }); 257 });
242} 258}
259
260# "Quitting will delete your character PERMANENTLY. If you are sure you want to do this, then use the quit_character command instead of quit."
261# "Quitting will delete your character.\nAre you sure you want to quit (y/n):"
262# quit, quit_character, save
243 263
244cf::object->attach ( 264cf::object->attach (
245 type => cf::SAVEBED, 265 type => cf::SAVEBED,
246 on_apply => sub { 266 on_apply => sub {
247 my ($bed, $ob) = @_; 267 my ($bed, $ob) = @_;
248 268
249 return cf::override 0 unless $ob->type == cf::PLAYER; 269 return cf::override 0 unless $ob->type == cf::PLAYER;
250 270
271 my $pl = $ob->pl;
272
251 # update respawn position 273 # update respawn position
252 $ob->contr->savebed ($bed->map->path, $bed->x, $bed->y); 274 $pl->savebed ($bed->map->path, $bed->x, $bed->y);
253 275
254 $ob->contr->killer ("left"); 276 $pl->killer ("left");
255 $ob->check_score; 277 $ob->check_score;
256 278
257 $ob->reply (undef, "In the future, you will wake up here when you die."); 279 $ob->reply (undef, "In the future, you will wake up here when you die.");
258 $ob->contr->save (1);
259 280
260 $ob->contr->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to continue playing (y/n)?", sub { 281 $pl->ns->query (cf::CS_QUERY_SINGLECHAR, "Do you want to continue playing (y/n)?", sub {
261 $ob->contr->enable_save (1);
262 if ($_[0] !~ /^[yY]/) { 282 if ($_[0] !~ /^[yY]/) {
263 $ob->contr->save (1); 283 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1);
284 $pl->deactivate;
264 $ob->contr->ns->destroy; 285 $pl->ns->destroy;
286 } else {
287 cf::async {
288 $pl->{clean_save} = 1;
289 $pl->save;
290 };
265 } 291 }
266 }); 292 });
267 }, 293 },
268); 294);
269 295
270cf::client->attach (package => __PACKAGE__); 296cf::player->attach (
297 on_login => sub {
298 my ($pl) = @_;
299 my $name = $pl->ob->name;
271 300
301 $_->ob->message ("$name has entered the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
302 },
303 on_logout => sub {
304 my ($pl, $cleanly) = @_;
305 my $name = $pl->ob->name;
306
307 if ($cleanly) {
308 $_->ob->message ("$name left the game.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
309 } else {
310 $_->ob->message ("$name uncerimoniously disconnected.", cf::NDI_DK_ORANGE | cf::NDI_UNIQUE) for cf::player::list;
311 }
312 },
313);
314
315cf::client->attach (
316 on_addme => \&addme,
317);
318
319#############################################################################
320
321our $SCHEDULE_INTERVAL = 10; # time the player scheduler sleeps between runs
322our $SWAP_TIMEOUT = 30; # time after which an unused player is evicted form memory
323our $SAVE_TIMEOUT = 20; # save players every n seconds
324our $SAVE_INTERVAL = 0.1; # save at max. one player every $SAVE_INTERVAL
325
326our $SCHEDULER = cf::async_ext {
327 while () {
328 Coro::Timer::sleep $SCHEDULE_INTERVAL;
329
330 # this weird form of iteration over values is used because
331 # the hash changes underneath us frequently, and for
332 # keeps a direct reference to the value without (in 5.8 perls)
333 # keeping a reference, so this is prone to crashes or worse.
334 my @players = keys %cf::PLAYER;
335 for (@players) {
336 my $pl = $cf::PLAYER{$_}
337 or next;
338 $pl->valid or next;
339
340 eval {
341 if ($pl->{last_save} + $SAVE_TIMEOUT <= $cf::RUNTIME) {
342 $pl->save;
343 Coro::Timer::sleep $SAVE_INTERVAL;
344 }
345 };
346 warn $@ if $@;
347 Coro::cede;
348 };
349 }
350};
351
352$SCHEDULER->prio (1);
353

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