mirror of https://git.kore.io/kore.git
297 lines
6.0 KiB
C
297 lines
6.0 KiB
C
/*
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* Copyright (c) 2013-2019 Joris Vink <joris@coders.se>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/param.h>
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#include <sys/event.h>
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#include <sys/sysctl.h>
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#include <sys/socket.h>
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#include <sys/uio.h>
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#if defined(__FreeBSD_version)
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#include <sys/cpuset.h>
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#endif
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#include <errno.h>
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#include <string.h>
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#include "kore.h"
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#if defined(KORE_USE_PGSQL)
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#include "pgsql.h"
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#endif
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#if defined(KORE_USE_TASKS)
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#include "tasks.h"
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#endif
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static int kfd = -1;
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static struct kevent *events = NULL;
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static u_int32_t event_count = 0;
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#if defined(KORE_USE_PLATFORM_PLEDGE)
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static char pledges[256] = { "stdio rpath inet error" };
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#endif
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void
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kore_platform_init(void)
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{
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long n;
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size_t len = sizeof(n);
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int mib[] = { CTL_HW, HW_NCPU };
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if (sysctl(mib, 2, &n, &len, NULL, 0) == -1) {
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kore_debug("kore_platform_init(): sysctl %s", errno_s);
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cpu_count = 1;
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} else {
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cpu_count = (u_int16_t)n;
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}
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}
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void
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kore_platform_worker_setcpu(struct kore_worker *kw)
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{
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#if defined(__FreeBSD_version)
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cpuset_t cpuset;
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CPU_ZERO(&cpuset);
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CPU_SET(kw->cpu, &cpuset);
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if (cpuset_setaffinity(CPU_LEVEL_WHICH, CPU_WHICH_PID,
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-1, sizeof(cpuset), &cpuset) == -1) {
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fatal("failed: %s", errno_s);
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}
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#endif /* __FreeBSD_version */
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}
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void
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kore_platform_event_init(void)
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{
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struct listener *l;
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if (kfd != -1)
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close(kfd);
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if (events != NULL)
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kore_free(events);
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if ((kfd = kqueue()) == -1)
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fatal("kqueue(): %s", errno_s);
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event_count = (worker_max_connections * 2) + nlisteners;
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events = kore_calloc(event_count, sizeof(struct kevent));
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/* Hack to check if we're running under the parent or not. */
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if (worker != NULL) {
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LIST_FOREACH(l, &listeners, list) {
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kore_platform_event_schedule(l->fd,
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EVFILT_READ, EV_ADD | EV_DISABLE, l);
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}
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}
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}
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void
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kore_platform_event_cleanup(void)
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{
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if (kfd != -1) {
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close(kfd);
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kfd = -1;
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}
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if (events != NULL) {
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kore_free(events);
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events = NULL;
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}
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}
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void
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kore_platform_event_wait(u_int64_t timer)
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{
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u_int32_t r;
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struct kore_event *evt;
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int n, i;
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struct timespec timeo, *ts;
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if (timer == KORE_WAIT_INFINITE) {
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ts = NULL;
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} else {
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timeo.tv_sec = timer / 1000;
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timeo.tv_nsec = (timer % 1000) * 1000000;
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ts = &timeo;
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}
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n = kevent(kfd, NULL, 0, events, event_count, ts);
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if (n == -1) {
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if (errno == EINTR)
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return;
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fatal("kevent(): %s", errno_s);
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}
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if (n > 0)
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kore_debug("main(): %d sockets available", n);
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for (i = 0; i < n; i++) {
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evt = (struct kore_event *)events[i].udata;
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if (evt == NULL)
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fatal("evt == NULL");
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r = 0;
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if (events[i].filter == EVFILT_READ)
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evt->flags |= KORE_EVENT_READ;
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if (events[i].filter == EVFILT_WRITE)
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evt->flags |= KORE_EVENT_WRITE;
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if (events[i].flags & EV_EOF || events[i].flags & EV_ERROR)
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r = 1;
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evt->handle(evt, r);
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}
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}
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void
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kore_platform_event_all(int fd, void *c)
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{
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kore_platform_event_schedule(fd, EVFILT_READ, EV_ADD | EV_CLEAR, c);
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kore_platform_event_schedule(fd, EVFILT_WRITE, EV_ADD | EV_CLEAR, c);
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}
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void
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kore_platform_event_schedule(int fd, int type, int flags, void *data)
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{
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struct kevent event[1];
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EV_SET(&event[0], fd, type, flags, 0, 0, data);
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if (kevent(kfd, event, 1, NULL, 0, NULL) == -1)
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fatal("kevent: %s", errno_s);
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}
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void
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kore_platform_enable_accept(void)
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{
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struct listener *l;
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LIST_FOREACH(l, &listeners, list)
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kore_platform_event_schedule(l->fd, EVFILT_READ, EV_ENABLE, l);
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}
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void
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kore_platform_disable_accept(void)
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{
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struct listener *l;
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LIST_FOREACH(l, &listeners, list)
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kore_platform_event_schedule(l->fd, EVFILT_READ, EV_DISABLE, l);
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}
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void
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kore_platform_schedule_read(int fd, void *data)
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{
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kore_platform_event_schedule(fd, EVFILT_READ, EV_ADD | EV_CLEAR, data);
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}
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void
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kore_platform_schedule_write(int fd, void *data)
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{
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kore_platform_event_schedule(fd, EVFILT_WRITE, EV_ADD | EV_CLEAR, data);
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}
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void
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kore_platform_disable_read(int fd)
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{
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kore_platform_event_schedule(fd, EVFILT_READ, EV_DELETE, NULL);
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}
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void
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kore_platform_disable_write(int fd)
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{
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kore_platform_event_schedule(fd, EVFILT_WRITE, EV_DELETE, NULL);
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}
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void
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kore_platform_proctitle(char *title)
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{
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#ifdef __MACH__
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kore_proctitle(title);
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#else
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setproctitle("%s", title);
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#endif
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}
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#if defined(KORE_USE_PLATFORM_SENDFILE)
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int
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kore_platform_sendfile(struct connection *c, struct netbuf *nb)
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{
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int ret;
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off_t len, smin;
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smin = nb->fd_len - nb->fd_off;
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len = MIN(SENDFILE_PAYLOAD_MAX, smin);
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#if defined(__MACH__)
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ret = sendfile(nb->file_ref->fd, c->fd, nb->fd_off, &len, NULL, 0);
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#else
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ret = sendfile(nb->file_ref->fd, c->fd, nb->fd_off, len, NULL, &len, 0);
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#endif
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if (ret == -1) {
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if (errno == EAGAIN) {
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nb->fd_off += len;
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c->evt.flags &= ~KORE_EVENT_WRITE;
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return (KORE_RESULT_OK);
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}
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if (errno == EINTR) {
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nb->fd_off += len;
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return (KORE_RESULT_OK);
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}
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return (KORE_RESULT_ERROR);
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}
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nb->fd_off += len;
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if (len == 0 || nb->fd_off == nb->fd_len) {
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net_remove_netbuf(c, nb);
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c->snb = NULL;
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}
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return (KORE_RESULT_OK);
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}
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#endif
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#if defined(KORE_USE_PLATFORM_PLEDGE)
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void
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kore_platform_pledge(void)
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{
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if (pledge(pledges, NULL) == -1)
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fatal("failed to pledge process");
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}
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void
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kore_platform_add_pledge(const char *pledge)
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{
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size_t len;
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len = strlcat(pledges, " ", sizeof(pledges));
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if (len >= sizeof(pledges))
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fatal("truncation on pledges");
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len = strlcat(pledges, pledge, sizeof(pledges));
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if (len >= sizeof(pledges))
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fatal("truncation on pledges (%s)", pledge);
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}
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#endif
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