1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * Inspire is copyright (C) 2002-2005 ChatSpike-Dev.
7 * <brain@chatspike.net>
8 * <Craig@chatspike.net>
10 * Written by Craig Edwards, Craig McLure, and others.
11 * This program is free but copyrighted software; see
12 * the file COPYING for details.
14 * ---------------------------------------------------
17 // Fill the engine with client file descriptors pending an action
19 #define epoll_fill int i = epoll_wait(ep, event, 1, 5); \
22 log(DEBUG,"epoll_wait call: ep=%d, i=%d",ep,i); \
23 userrec* cu = fd_ref_table[event[0].data.fd];
25 #define kqueue_fill ts.tv_sec = 0; \
27 int i = kevent(kq, NULL, 0, &ke, 1, &ts); \
30 log(DEBUG,"kevent call: kq=%d, i=%d",kq,i); \
31 userrec* cu = fd_ref_table[ke.ident];
33 #define select_fill tval.tv_sec = 0; \
34 tval.tv_usec = 1000L; \
35 selectResult2 = select(FD_SETSIZE, &sfd, NULL, NULL, &tval); \
36 if ((selectResult2 > 0) && (xcount != clientlist.end())) \
37 for (user_hash::iterator count2a = xcount; count2a != endingiter; count2a++) \
39 if (count2a == clientlist.end()) \
41 userrec* cu = count2a->second;
44 #define engine_fill epoll_fill
47 #define engine_fill kqueue_fill
50 #define engine_fill select_fill
53 // how to determine if a socket needs attention if further checks are needed
55 #define epoll_check ((cu->fd != FD_MAGIC_NUMBER) && (cu->fd != -1))
57 #define kqueue_check ((cu->fd != FD_MAGIC_NUMBER) && (cu->fd != -1))
59 #define select_check ((cu->fd != FD_MAGIC_NUMBER) && (cu->fd != -1) && (FD_ISSET (cu->fd, &sfd)))
62 #define engine_check epoll_check
65 #define engine_check kqueue_check
68 #define engine_check select_check
71 // how to clean up an exiting client
73 #define epoll_cleanup log(DEBUG,"InspIRCd: Exited: %s",cu->nick); \
74 kill_link(cu,"Client exited"); \
75 log(DEBUG,"Bailing from client exit"); \
78 #define kqueue_cleanup log(DEBUG,"InspIRCd: Exited: %s",cu->nick); \
79 kill_link(cu,"Client exited"); \
80 log(DEBUG,"Bailing from client exit"); \
83 #define select_cleanup if (count2->second) \
85 log(DEBUG,"InspIRCd: Exited: %s",cu->nick); \
86 kill_link(cu,"Client exited"); \
87 log(DEBUG,"Bailing from client exit"); \
92 #define engine_cleanup epoll_cleanup
95 #define engine_cleanup kqueue_cleanup
98 #define engine_cleanup select_cleanup
102 // how to scan the set for fd's requiring action
104 #define select_scanset for (count = 0; count < boundPortCount; count++) \
106 FD_SET (openSockfd[count], &selectFds); \
108 tv.tv_usec = 30000L; \
109 selectResult = select(MAXSOCKS, &selectFds, NULL, NULL, &tv); \
110 if (selectResult > 0) \
112 for (count = 0; count < boundPortCount; count++) \
114 if (FD_ISSET (openSockfd[count], &selectFds)) \
117 #define kqueue_scanset ts.tv_sec = 0; \
118 ts.tv_nsec = 30000L; \
119 i = kevent(lkq, NULL, 0, ke_list, 32, &ts); \
120 if (i > 0) for (j = 0; j < i; j++) \
122 log(DEBUG,"kqueue: Listening socket event, i=%d, ke.ident=%d",i,ke_list[j].ident); \
123 for (count = 0; count < boundPortCount; count++) \
125 if ((unsigned)ke_list[j].ident == (unsigned)openSockfd[count]) \
128 #define epoll_scanset i = epoll_wait(lep, event, 32, EP_DELAY); \
129 if (i > 0) for (j = 0; j < i; j++) \
131 log(DEBUG,"epoll: Listening socket event, i=%d,events[j].data.fd=%d",i,event[j].data.fd); \
132 for (count = 0; count < boundPortCount; count++) \
134 if ((unsigned)event[j].data.fd == (unsigned)openSockfd[count]) \
138 #define engine_scanset epoll_scanset
141 #define engine_scanset kqueue_scanset
144 #define engine_scanset select_scanset
147 // how to populate the list with fds before asking for change notification
149 #define epoll_server_populate i = epoll_wait(sep, event, 1, EP_DELAY); \
152 log(DEBUG,"epoll: Listening server socket event, i=%d, event.data.fd=%d",i,event[0].data.fd); \
153 for (int x = 0; x != SERVERportCount; x++) \
155 if ((me[x]) && ((unsigned)event[0].data.fd == (unsigned)me[x]->fd)) \
157 #define kqueue_server_populate ts.tv_sec = 0; \
158 ts.tv_nsec = 30000L; \
159 i = kevent(skq, NULL, 0, &ke, 1, &ts); \
162 log(DEBUG,"kqueue: Listening server socket event, i=%d, ke.ident=%d",i,ke.ident); \
163 for (int x = 0; x != SERVERportCount; x++) \
165 if ((me[x]) && ((unsigned)ke.ident == (unsigned)me[x]->fd)) \
168 #define select_server_populate FD_ZERO(&serverfds); \
169 for (int x = 0; x != SERVERportCount; x++) \
172 FD_SET(me[x]->fd, &serverfds); \
174 tvs.tv_usec = 30000L; \
176 int servresult = select(FD_SETSIZE, &serverfds, NULL, NULL, &tvs); \
177 if (servresult > 0) \
179 for (int x = 0; x != SERVERportCount; x++) \
181 if ((me[x]) && (FD_ISSET (me[x]->fd, &serverfds))) \
186 #define engine_server_populate epoll_server_populate
189 #define engine_server_populate kqueue_server_populate
192 #define engine_server_populate select_server_populate
195 // a list of variables used specifically by this engine
197 #define kqueue_structs struct kevent ke; \
198 struct kevent ke_list[33]; \
201 #define epoll_structs struct epoll_event event[33];
203 #define select_structs fd_set serverfds; \
207 #define engine_structs epoll_structs
210 #define engine_structs kqueue_structs
213 #define engine_structs select_structs
216 // how to initialise the engine before using it
218 #define select_init while(0);
220 #define kqueue_init kq = kqueue(); \
223 if ((kq == -1) || (lkq == -1) || (skq == -1)) \
225 log(DEFAULT,"main: kqueue() failed!"); \
226 printf("ERROR: could not initialise kqueue event system. Shutting down.\n"); \
230 #define epoll_init ep = epoll_create(MAXCLIENTS); \
231 lep = epoll_create(32); \
232 sep = epoll_create(128); \
233 if ((ep == -1) || (lep == -1) || (sep == -1)) \
235 log(DEFAULT,"main: epoll_create() failed!"); \
236 printf("ERROR: could not initialise epoll event system. Shutting down.\n"); \
242 #define engine_init epoll_init
245 #define engine_init kqueue_init
248 #define engine_init select_init
251 // how to fill the engine with a list of server fd's
253 #define select_server_fill log(DEFAULT,"Using standard select socket engine.");
255 #define epoll_server_fill log(DEFAULT,"epoll socket engine is enabled. Filling listen list. boundPortcount=%d",boundPortCount); \
256 for (count = 0; count < boundPortCount; count++) \
258 struct epoll_event ev; \
259 log(DEBUG,"epoll: Add listening socket to events, ep=%d socket=%d",lep,openSockfd[count]); \
260 ev.events = EPOLLIN | EPOLLET; \
261 ev.data.fd = openSockfd[count]; \
262 int i = epoll_ctl(lep, EPOLL_CTL_ADD, openSockfd[count], &ev); \
265 log(DEFAULT,"main: add listen ports, epoll_ctl failed!"); \
266 printf("ERROR: could not initialise listening sockets in epoll list. Shutting down.\n"); \
270 for (int t = 0; t != SERVERportCount; t++) \
272 struct epoll_event ev; \
273 log(DEBUG,"epoll: Add listening server socket to events, ep=%d socket=%d",sep,me[t]->fd); \
274 ev.events = EPOLLIN | EPOLLET; \
275 ev.data.fd = me[t]->fd; \
276 int i = epoll_ctl(sep, EPOLL_CTL_ADD, me[t]->fd, &ev); \
279 log(DEFAULT,"main: add server listen ports, epoll_ctl failed!"); \
280 printf("ERROR: could not initialise server listening sockets in epoll list. Shutting down.\n"); \
285 #define kqueue_server_fill log(DEFAULT,"kqueue socket engine is enabled. Filling listen list."); \
286 for (count = 0; count < boundPortCount; count++) \
289 log(DEBUG,"kqueue: Add listening socket to events, kq=%d socket=%d",lkq,openSockfd[count]); \
290 EV_SET(&ke, openSockfd[count], EVFILT_READ, EV_ADD, 0, MaxConn, NULL); \
291 int i = kevent(lkq, &ke, 1, 0, 0, NULL); \
294 log(DEFAULT,"main: add listen ports to kqueue failed!"); \
295 printf("ERROR: could not initialise listening sockets in kqueue. Shutting down.\n"); \
299 for (int t = 0; t != SERVERportCount; t++) \
304 log(DEBUG,"kqueue: Add listening SERVER socket to events, kq=%d socket=%d",skq,me[t]->fd); \
305 EV_SET(&ke, me[t]->fd, EVFILT_READ, EV_ADD, 0, MaxConn, NULL); \
306 int i = kevent(skq, &ke, 1, 0, 0, NULL); \
309 log(DEFAULT,"main: add server listen ports to kqueue failed!"); \
310 printf("ERROR: could not initialise listening server sockets in kqueue. Shutting down.\n"); \
317 #define engine_server_fill epoll_server_fill
320 #define engine_server_fill kqueue_server_fill
323 #define engine_server_fill select_server_fill
326 // how to delete a client fd from the engine
328 #define kqueue_delete_fd struct kevent ke; \
329 EV_SET(&ke, user->fd, EVFILT_READ, EV_DELETE, 0, 0, NULL); \
330 int i = kevent(kq, &ke, 1, 0, 0, NULL); \
333 log(DEBUG,"kqueue: Failed to remove user from queue!"); \
336 #define epoll_delete_fd struct epoll_event ev; \
337 ev.events = EPOLLIN | EPOLLET; \
338 ev.data.fd = user->fd; \
339 int i = epoll_ctl(ep, EPOLL_CTL_DEL, user->fd, &ev); \
342 log(DEBUG,"epoll: List deletion failure!"); \
345 #define select_delete_fd while(0);
349 #define engine_delete_fd epoll_delete_fd
352 #define engine_delete_fd kqueue_delete_fd
355 #define engine_delete_fd select_delete_fd
358 // how to add a client fd to the engine
360 #define select_add_fd while(0);
362 #define epoll_add_fd struct epoll_event ev; \
363 log(DEBUG,"epoll: Adduser to events, ep=%d socket=%d",ep,socket); \
364 ev.events = EPOLLIN | EPOLLET; \
365 ev.data.fd = socket; \
366 int i = epoll_ctl(ep, EPOLL_CTL_ADD, socket, &ev); \
369 log(DEBUG,"epoll: List insertion failure!"); \
372 #define kqueue_add_fd struct kevent ke; \
373 log(DEBUG,"kqueue: Add user to events, kq=%d socket=%d",kq,socket);\
374 EV_SET(&ke, socket, EVFILT_READ, EV_ADD, 0, 0, NULL); \
375 int i = kevent(kq, &ke, 1, 0, 0, NULL); \
378 log(DEBUG,"kqueue: List insertion failure!"); \
382 #define engine_add_fd epoll_add_fd
385 #define engine_add_fd kqueue_add_fd
388 #define engine_add_fd select_add_fd
391 // what is this engine called?
394 #define engine_name "kqueue"
397 #define engine_name "select"
400 #define engine_name "epoll"