/usr/include/hiredis/adapters/libev.h is in libhiredis-dev 0.11.0-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 | #ifndef __HIREDIS_LIBEV_H__
#define __HIREDIS_LIBEV_H__
#include <stdlib.h>
#include <sys/types.h>
#include <ev.h>
#include "../hiredis.h"
#include "../async.h"
typedef struct redisLibevEvents {
redisAsyncContext *context;
struct ev_loop *loop;
int reading, writing;
ev_io rev, wev;
} redisLibevEvents;
static void redisLibevReadEvent(EV_P_ ev_io *watcher, int revents) {
#if EV_MULTIPLICITY
((void)loop);
#endif
((void)revents);
redisLibevEvents *e = (redisLibevEvents*)watcher->data;
redisAsyncHandleRead(e->context);
}
static void redisLibevWriteEvent(EV_P_ ev_io *watcher, int revents) {
#if EV_MULTIPLICITY
((void)loop);
#endif
((void)revents);
redisLibevEvents *e = (redisLibevEvents*)watcher->data;
redisAsyncHandleWrite(e->context);
}
static void redisLibevAddRead(void *privdata) {
redisLibevEvents *e = (redisLibevEvents*)privdata;
struct ev_loop *loop = e->loop;
((void)loop);
if (!e->reading) {
e->reading = 1;
ev_io_start(EV_A_ &e->rev);
}
}
static void redisLibevDelRead(void *privdata) {
redisLibevEvents *e = (redisLibevEvents*)privdata;
struct ev_loop *loop = e->loop;
((void)loop);
if (e->reading) {
e->reading = 0;
ev_io_stop(EV_A_ &e->rev);
}
}
static void redisLibevAddWrite(void *privdata) {
redisLibevEvents *e = (redisLibevEvents*)privdata;
struct ev_loop *loop = e->loop;
((void)loop);
if (!e->writing) {
e->writing = 1;
ev_io_start(EV_A_ &e->wev);
}
}
static void redisLibevDelWrite(void *privdata) {
redisLibevEvents *e = (redisLibevEvents*)privdata;
struct ev_loop *loop = e->loop;
((void)loop);
if (e->writing) {
e->writing = 0;
ev_io_stop(EV_A_ &e->wev);
}
}
static void redisLibevCleanup(void *privdata) {
redisLibevEvents *e = (redisLibevEvents*)privdata;
redisLibevDelRead(privdata);
redisLibevDelWrite(privdata);
free(e);
}
static int redisLibevAttach(EV_P_ redisAsyncContext *ac) {
redisContext *c = &(ac->c);
redisLibevEvents *e;
/* Nothing should be attached when something is already attached */
if (ac->ev.data != NULL)
return REDIS_ERR;
/* Create container for context and r/w events */
e = (redisLibevEvents*)malloc(sizeof(*e));
e->context = ac;
#if EV_MULTIPLICITY
e->loop = loop;
#else
e->loop = NULL;
#endif
e->reading = e->writing = 0;
e->rev.data = e;
e->wev.data = e;
/* Register functions to start/stop listening for events */
ac->ev.addRead = redisLibevAddRead;
ac->ev.delRead = redisLibevDelRead;
ac->ev.addWrite = redisLibevAddWrite;
ac->ev.delWrite = redisLibevDelWrite;
ac->ev.cleanup = redisLibevCleanup;
ac->ev.data = e;
/* Initialize read/write events */
ev_io_init(&e->rev,redisLibevReadEvent,c->fd,EV_READ);
ev_io_init(&e->wev,redisLibevWriteEvent,c->fd,EV_WRITE);
return REDIS_OK;
}
#endif
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