lighttpd 1.4.x https://www.lighttpd.net/
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#include "fdevent.h"
#include "buffer.h"
#include "log.h"
#include <sys/types.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <signal.h>
#include <fcntl.h>
#ifdef USE_SOLARIS_PORT
static const int SOLARIS_PORT_POLL_READ = POLLIN;
static const int SOLARIS_PORT_POLL_WRITE = POLLOUT;
static const int SOLARIS_PORT_POLL_READ_WRITE = POLLIN & POLLOUT;
static int fdevent_solaris_port_event_del(fdevents *ev, int fde_ndx, int fd) {
if (fde_ndx < 0) return -1;
if (0 != port_dissociate(ev->port_fd, PORT_SOURCE_FD, fd)) {
log_error_write(ev->srv, __FILE__, __LINE__, "SSS",
"port_dissociate failed: ", strerror(errno), ", dying");
SEGFAULT();
return 0;
}
return -1;
}
static int fdevent_solaris_port_event_set(fdevents *ev, int fde_ndx, int fd, int events) {
const int* user_data = NULL;
if ((events & FDEVENT_IN) && (events & FDEVENT_OUT)) {
user_data = &SOLARIS_PORT_POLL_READ_WRITE;
} else if (events & FDEVENT_IN) {
user_data = &SOLARIS_PORT_POLL_READ;
} else if (events & FDEVENT_OUT) {
user_data = &SOLARIS_PORT_POLL_WRITE;
}
if (0 != port_associate(ev->port_fd, PORT_SOURCE_FD, fd, *user_data, (void*) user_data)) {
log_error_write(ev->srv, __FILE__, __LINE__, "SSS",
"port_associate failed: ", strerror(errno), ", dying");
SEGFAULT();
return 0;
}
return fd;
}
static int fdevent_solaris_port_event_get_revent(fdevents *ev, size_t ndx) {
int events = 0, e;
e = ev->port_events[ndx].portev_events;
if (e & POLLIN) events |= FDEVENT_IN;
if (e & POLLOUT) events |= FDEVENT_OUT;
if (e & POLLERR) events |= FDEVENT_ERR;
if (e & POLLHUP) events |= FDEVENT_HUP;
if (e & POLLPRI) events |= FDEVENT_PRI;
if (e & POLLNVAL) events |= FDEVENT_NVAL;
return e;
}
static int fdevent_solaris_port_event_get_fd(fdevents *ev, size_t ndx) {
return ev->port_events[ndx].portev_object;
}
static int fdevent_solaris_port_event_next_fdndx(fdevents *ev, int ndx) {
size_t i;
UNUSED(ev);
i = (ndx < 0) ? 0 : ndx + 1;
return i;
}
static void fdevent_solaris_port_free(fdevents *ev) {
close(ev->port_fd);
free(ev->port_events);
}
/* if there is any error it will return the return values of port_getn, otherwise it will return number of events **/
static int fdevent_solaris_port_poll(fdevents *ev, int timeout_ms) {
int i = 0;
int ret;
unsigned int available_events, wait_for_events = 0;
const int *user_data;
struct timespec timeout;
timeout.tv_sec = timeout_ms/1000L;
timeout.tv_nsec = (timeout_ms % 1000L) * 1000000L;
/* get the number of file descriptors with events */
if ((ret = port_getn(ev->port_fd, ev->port_events, 0, &wait_for_events, &timeout)) < 0) return ret;
/* wait for at least one event */
if (0 == wait_for_events) wait_for_events = 1;
available_events = wait_for_events;
/* get the events of the file descriptors */
if ((ret = port_getn(ev->port_fd, ev->port_events, ev->maxfds, &available_events, &timeout)) < 0) {
/* if errno == ETIME and available_event == wait_for_events we didn't get any events */
/* for other errors we didn't get any events either */
if (!(errno == ETIME && wait_for_events != available_events)) return ret;
}
for (i = 0; i < available_events; ++i) {
user_data = (const int *) ev->port_events[i].portev_user;
if ((ret = port_associate(ev->port_fd, PORT_SOURCE_FD, ev->port_events[i].portev_object,
*user_data, (void*) user_data)) < 0) {
log_error_write(ev->srv, __FILE__, __LINE__, "SSS",
"port_associate failed: ", strerror(errno), ", dying");
SEGFAULT();
return 0;
}
}
return available_events;
}
int fdevent_solaris_port_init(fdevents *ev) {
ev->type = FDEVENT_HANDLER_SOLARIS_PORT;
#define SET(x) \
ev->x = fdevent_solaris_port_##x;
SET(free);
SET(poll);
SET(event_del);
SET(event_set);
SET(event_next_fdndx);
SET(event_get_fd);
SET(event_get_revent);
if ((ev->port_fd = port_create()) < 0) {
log_error_write(ev->srv, __FILE__, __LINE__, "SSS",
"port_create() failed (", strerror(errno), "), try to set server.event-handler = \"poll\" or \"select\"");
return -1;
}
ev->port_events = malloc(ev->maxfds * sizeof(*ev->port_events));
return 0;
}
#else
int fdevent_solaris_port_init(fdevents *ev) {
UNUSED(ev);
log_error_write(ev->srv, __FILE__, __LINE__, "S",
"solaris-eventports not supported, try to set server.event-handler = \"poll\" or \"select\"");
return -1;
}
#endif