--- /dev/null
+/*
+ * IRC - Internet Relay Chat, ircd/os_openbsd.c
+ * Copyright (C) 1999 Joseph Bongaarts
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 1, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * $Id$
+ *
+ */
+#include "ircd_osdep.h"
+#include "config.h"
+#include "msgq.h"
+
+#include <assert.h>
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+#include <errno.h>
+#include <limits.h>
+#include <fcntl.h>
+#include <netinet/in.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+#include <sys/uio.h>
+#include <unistd.h>
+
+#ifndef IOV_MAX
+#define IOV_MAX 16 /* minimum required */
+#endif
+
+#ifdef HPUX
+#include <sys/syscall.h>
+#define getrusage(a,b) syscall(SYS_GETRUSAGE, a, b)
+#endif
+
+/*
+ * This is part of the STATS replies. There is no offical numeric for this
+ * since this isnt an official command, in much the same way as HASH isnt.
+ * It is also possible that some systems wont support this call or have
+ * different field names for "struct rusage".
+ * -avalon
+ */
+int os_get_rusage(struct Client *cptr, int uptime, EnumFn enumerator)
+{
+ char buf[256];
+#ifdef HAVE_GETRUSAGE
+ struct rusage rus;
+ time_t secs;
+
+#ifdef hz
+# define hzz hz
+#else
+# ifdef HZ
+# define hzz HZ
+# else
+ int hzz = 1;
+# ifdef HPUX
+ hzz = sysconf(_SC_CLK_TCK);
+# endif
+#endif
+#endif
+
+ assert(0 != enumerator);
+ if (getrusage(RUSAGE_SELF, &rus) == -1)
+ return 0;
+
+ secs = rus.ru_utime.tv_sec + rus.ru_stime.tv_sec;
+ if (secs == 0)
+ secs = 1;
+
+ sprintf(buf, "CPU Secs %ld:%ld User %ld:%ld System %ld:%ld",
+ secs / 60, secs % 60,
+ rus.ru_utime.tv_sec / 60, rus.ru_utime.tv_sec % 60,
+ rus.ru_stime.tv_sec / 60, rus.ru_stime.tv_sec % 60);
+ (*enumerator)(cptr, buf);
+
+ sprintf(buf, "RSS %ld ShMem %ld Data %ld Stack %ld",
+ rus.ru_maxrss,
+ rus.ru_ixrss / (uptime * hzz), rus.ru_idrss / (uptime * hzz),
+ rus.ru_isrss / (uptime * hzz));
+ (*enumerator)(cptr, buf);
+
+ sprintf(buf, "Swaps %ld Reclaims %ld Faults %ld",
+ rus.ru_nswap, rus.ru_minflt, rus.ru_majflt);
+ (*enumerator)(cptr, buf);
+
+ sprintf(buf, "Block in %ld out %ld", rus.ru_inblock, rus.ru_oublock);
+ (*enumerator)(cptr, buf);
+
+ sprintf(buf, "Msg Rcv %ld Send %ld", rus.ru_msgrcv, rus.ru_msgsnd);
+ (*enumerator)(cptr, buf);
+
+ sprintf(buf, "Signals %ld Context Vol. %ld Invol %ld",
+ rus.ru_nsignals, rus.ru_nvcsw, rus.ru_nivcsw);
+ (*enumerator)(cptr, buf);
+
+#else /* HAVE_GETRUSAGE */
+#if HAVE_TIMES
+ struct tms tmsbuf;
+ time_t secs, mins;
+ int hzz = 1, ticpermin;
+ int umin, smin, usec, ssec;
+
+ assert(0 != enumerator);
+#ifdef HPUX
+ hzz = sysconf(_SC_CLK_TCK);
+#endif
+ ticpermin = hzz * 60;
+
+ umin = tmsbuf.tms_utime / ticpermin;
+ usec = (tmsbuf.tms_utime % ticpermin) / (float)hzz;
+ smin = tmsbuf.tms_stime / ticpermin;
+ ssec = (tmsbuf.tms_stime % ticpermin) / (float)hzz;
+ secs = usec + ssec;
+ mins = (secs / 60) + umin + smin;
+ secs %= hzz;
+
+ if (times(&tmsbuf) == -1)
+ return 0;
+ secs = tmsbuf.tms_utime + tmsbuf.tms_stime;
+
+ sprintf(buf, "CPU Secs %d:%d User %d:%d System %d:%d",
+ mins, secs, umin, usec, smin, ssec);
+ (*enumerator)(cptr, buf);
+#endif /* HAVE_TIMES */
+#endif /* HAVE_GETRUSAGE */
+ return 1;
+}
+
+int os_get_sockerr(int fd)
+{
+ int err = 0;
+#if defined(SO_ERROR)
+ unsigned int len = sizeof(err);
+ getsockopt(fd, SOL_SOCKET, SO_ERROR, &err, &len);
+#endif
+ return err;
+}
+
+/*
+ * set_non_blocking
+ *
+ * Set the client connection into non-blocking mode. If your
+ * system doesn't support this, you can make this a dummy
+ * function (and get all the old problems that plagued the
+ * blocking version of IRC--not a problem if you are a
+ * lightly loaded node...)
+ */
+int os_set_nonblocking(int fd)
+{
+ int res;
+#ifndef NBLOCK_SYSV
+ int nonb = 0;
+#endif
+
+ /*
+ * NOTE: consult ALL your relevant manual pages *BEFORE* changing
+ * these ioctl's. There are quite a few variations on them,
+ * as can be seen by the PCS one. They are *NOT* all the same.
+ * Heed this well. - Avalon.
+ */
+#ifdef NBLOCK_POSIX
+ nonb |= O_NONBLOCK;
+#endif
+#ifdef NBLOCK_BSD
+ nonb |= O_NDELAY;
+#endif
+#ifdef NBLOCK_SYSV
+ /* This portion of code might also apply to NeXT. -LynX */
+ res = 1;
+
+ if (ioctl(fd, FIONBIO, &res) == -1)
+ return 0;
+#else
+ if ((res = fcntl(fd, F_GETFL, 0)) == -1)
+ return 0;
+ else if (fcntl(fd, F_SETFL, res | nonb) == -1)
+ return 0;
+#endif
+ return 1;
+}
+
+
+/*
+ * set_sock_opts
+ */
+int os_set_reuseaddr(int fd)
+{
+ unsigned int opt = 1;
+ return (0 == setsockopt(fd, SOL_SOCKET, SO_REUSEADDR,
+ (const char*) &opt, sizeof(opt)));
+}
+
+int os_set_sockbufs(int fd, unsigned int size)
+{
+ unsigned int opt = size;
+ return (0 == setsockopt(fd, SOL_SOCKET, SO_RCVBUF,
+ (const char*) &opt, sizeof(opt)) &&
+ 0 == setsockopt(fd, SOL_SOCKET, SO_SNDBUF,
+ (const char*) &opt, sizeof(opt)));
+}
+
+int os_set_tos(int fd,int tos)
+{
+ unsigned int opt = tos;
+ return (0 == setsockopt(fd, IPPROTO_IP, IP_TOS, &opt, sizeof(opt)));
+}
+
+int os_disable_options(int fd)
+{
+#if defined(IP_OPTIONS) && defined(IPPROTO_IP)
+ return (0 == setsockopt(fd, IPPROTO_IP, IP_OPTIONS, NULL, 0));
+#else
+ return 1;
+#endif
+}
+
+/*
+ * Try and find the correct name to use with getrlimit() for setting the max.
+ * number of files allowed to be open by this process.
+ */
+#ifdef RLIMIT_FDMAX
+#define RLIMIT_FD_MAX RLIMIT_FDMAX
+#else
+#ifdef RLIMIT_NOFILE
+#define RLIMIT_FD_MAX RLIMIT_NOFILE
+#else
+#ifdef RLIMIT_OPEN_MAX
+#define RLIMIT_FD_MAX RLIMIT_OPEN_MAX
+#else
+#undef RLIMIT_FD_MAX
+#endif
+#endif
+#endif
+
+int os_set_fdlimit(unsigned int max_descriptors)
+{
+#if defined(HAVE_SETRLIMIT) && defined(RLIMIT_FD_MAX)
+ struct rlimit limit;
+
+ if (!getrlimit(RLIMIT_FD_MAX, &limit)) {
+ if (limit.rlim_max < MAXCONNECTIONS)
+ return limit.rlim_max;
+ limit.rlim_cur = limit.rlim_max; /* make soft limit the max */
+ return setrlimit(RLIMIT_FD_MAX, &limit);
+ }
+#endif /* defined(HAVE_SETRLIMIT) && defined(RLIMIT_FD_MAX) */
+ return 0;
+}
+
+IOResult os_recv_nonb(int fd, char* buf, unsigned int length,
+ unsigned int* count_out)
+{
+ int res;
+ assert(0 != buf);
+ assert(0 != count_out);
+ *count_out = 0;
+ errno = 0;
+
+ if (0 < (res = recv(fd, buf, length, 0))) {
+ *count_out = (unsigned) res;
+ return IO_SUCCESS;
+ }
+ else if (res < 0) {
+ if (EWOULDBLOCK == errno || EAGAIN == errno)
+ return IO_BLOCKED;
+ else
+ return IO_FAILURE;
+ }
+ /*
+ * 0 == client closed the connection
+ * < 1 == error
+ */
+ return IO_FAILURE;
+}
+
+IOResult os_recvfrom_nonb(int fd, char* buf, unsigned int length,
+ unsigned int* length_out, struct sockaddr_in* sin_out)
+{
+ int res;
+ unsigned int len = sizeof(struct sockaddr_in);
+ assert(0 != buf);
+ assert(0 != length_out);
+ assert(0 != sin_out);
+ errno = 0;
+ *length_out = 0;
+
+ res = recvfrom(fd, buf, length, 0, (struct sockaddr*) sin_out, &len);
+ if (-1 == res) {
+ if (EWOULDBLOCK == errno || ENOMEM == errno)
+ return IO_BLOCKED;
+ return IO_FAILURE;
+ }
+ *length_out = res;
+ return IO_SUCCESS;
+}
+
+IOResult os_send_nonb(int fd, const char* buf, unsigned int length,
+ unsigned int* count_out)
+{
+ int res;
+ assert(0 != buf);
+ assert(0 != count_out);
+ *count_out = 0;
+ errno = 0;
+
+ if (-1 < (res = send(fd, buf, length, 0))) {
+ *count_out = (unsigned) res;
+ return IO_SUCCESS;
+ }
+ else if (EWOULDBLOCK == errno || EAGAIN == errno ||
+ ENOMEM == errno || ENOBUFS == errno)
+ return IO_BLOCKED;
+ return IO_FAILURE;
+}
+
+IOResult os_sendv_nonb(int fd, struct MsgQ* buf, unsigned int* count_in,
+ unsigned int* count_out)
+{
+ int res;
+ int count;
+ struct iovec iov[IOV_MAX];
+
+ assert(0 != buf);
+ assert(0 != count_in);
+ assert(0 != count_out);
+
+ *count_in = 0;
+ *count_out = 0;
+ errno = 0;
+
+ count = msgq_mapiov(buf, iov, IOV_MAX, count_in);
+
+ if (-1 < (res = writev(fd, iov, count))) {
+ *count_out = (unsigned) res;
+ return IO_SUCCESS;
+ }
+ else if (EWOULDBLOCK == errno || EAGAIN == errno ||
+ ENOMEM == errno || ENOBUFS == errno)
+ return IO_BLOCKED;
+
+ return IO_FAILURE;
+}
+
+int os_connect_nonb(int fd, const struct sockaddr_in* sin)
+{
+ if (connect(fd, (struct sockaddr*) sin, sizeof(struct sockaddr_in))) {
+ if (errno != EINPROGRESS)
+ return 0;
+ }
+ return 1;
+}
+
+int os_get_sockname(int fd, struct sockaddr_in* sin_out)
+{
+ unsigned int len = sizeof(struct sockaddr_in);
+ assert(0 != sin_out);
+ return (0 == getsockname(fd, (struct sockaddr*) sin_out, &len));
+}
+
+int os_get_peername(int fd, struct sockaddr_in* sin_out)
+{
+ unsigned int len = sizeof(struct sockaddr_in);
+ assert(0 != sin_out);
+ return (0 == getpeername(fd, (struct sockaddr*) sin_out, &len));
+}
+
+int os_set_listen(int fd, int backlog)
+{
+ return (0 == listen(fd, backlog));
+}
+
+
projects / ircu2.10.12-pk.git / commitdiff