redisAsyncContext *
redis_nginx_open_context(u_char *host, int port, int database, u_char *password, redisAsyncContext **context)
{
redisAsyncContext *ac = NULL;
if ((context == NULL) || (*context == NULL) || (*context)->err) {
ac = redisAsyncConnect((const char *)host, port);
if (ac == NULL) {
ngx_log_error(NGX_LOG_ERR, ngx_cycle->log, 0, "redis_nginx_adapter: could not allocate the redis context for %s:%d", host, port);
return NULL;
}
if (ac->err) {
ngx_log_error(NGX_LOG_ERR, ngx_cycle->log, 0, "redis_nginx_adapter: could not create the redis context for %s:%d - %s", host, port, ac->errstr);
redisAsyncFree(ac);
return NULL;
}
redis_nginx_event_attach(ac);
if (context != NULL) {
*context = ac;
}
if(password) {
redisAsyncCommand(ac, redis_nginx_auth_callback, context, AUTH_COMMAND, password);
}
redisAsyncCommand(ac, redis_nginx_select_callback, context, SELECT_DATABASE_COMMAND, database);
} else {
ac = *context;
}
return ac;
}
int rxs_signal_store_address(rxs_signal* s, int slot, const char* ip, uint16_t port) {
if (!s) { return -1; }
if (!ip) { return -2; }
if (!port) { return -3; }
redisAsyncCommand(s->redis, NULL, NULL, "PUBLISH slot%d address:%s:%d", slot, ip, port);
redisAsyncCommand(s->redis, NULL, NULL, "HMSET signal:%d ip %s port %d", slot, ip, port);
return 0;
}
static void
rspamd_redis_maybe_auth (struct redis_stat_ctx *ctx, redisAsyncContext *redis)
{
if (ctx->password) {
redisAsyncCommand (redis, NULL, NULL, "AUTH %s", ctx->password);
}
if (ctx->dbname) {
redisAsyncCommand (redis, NULL, NULL, "SELECT %s", ctx->dbname);
}
}
void connectAsyncRedis(redisAsyncContext *ctx, EventLoop *loop)
{
if(redisSayanAttach(ctx, loop)!=REDIS_OK)
die("Error: %s\n", ctx->errstr);
redisAsyncSetConnectCallback(ctx, connectCallback);
redisAsyncSetDisconnectCallback(ctx, disconnectCallback);
char *test="bonjour";
redisAsyncCommand(ctx, getCallback, NULL, "SET key %b", test, strlen(test));
redisAsyncCommand(ctx, getCallback, (char*)"end-1", "GET key");
}
void announce(tracker_announce_data *announce_data) {
// d2:ip15:255.255.255.2557:peer id20:123456789012345678904:porti60001ee
peer_entry peer;
memset(&peer, 0, sizeof(peer_entry));
char ip[INET_ADDRSTRLEN];
inet_ntop(AF_INET, &(announce_data->ip), ip, INET_ADDRSTRLEN);
int ip_len = strlen(ip),
ip_len_len = intlength(ip_len);
peer.b_length = 47 + ip_len + ip_len_len + intlength(announce_data->port);
sprintf(peer.bencoded, "d2:ip%d:%s7:peer id20:", ip_len, ip);
int i = 18 + ip_len + ip_len_len;
memcpy(peer.bencoded + i, announce_data->peer_id, 20);
sprintf(peer.bencoded + i + 20, "4:porti%dee", announce_data->port);
// compact it, yo
memcpy(peer.compact, &(announce_data->ip), 4);
short network_peer_port = htons(announce_data->port);
memcpy(peer.compact + 4, &network_peer_port, 2);
unsigned long long now = (unsigned long long)time(0) * 1000;
unsigned long long then = now - ANNOUNCE_INTERVAL * DROP_COUNT * 1000;
redisAsyncCommand(redis, NULL, NULL, "MULTI");
// prune out old entries (peers that haven't announced within DROP_COUNT announce intervals)
dbg_info("Redis key: torrent:%s", announce_data->info_hash);
redisAsyncCommand(redis, NULL, NULL, "ZREMRANGEBYSCORE torrent:%s:seeds 0 %llu", announce_data->info_hash, then);
redisAsyncCommand(redis, NULL, NULL, "ZREMRANGEBYSCORE torrent:%s:peers 0 %llu", announce_data->info_hash, then);
// used for complete and incomplete fields in response
redisAsyncCommand(redis, NULL, NULL, "ZCARD torrent:%s:seeds", announce_data->info_hash);
redisAsyncCommand(redis, NULL, NULL, "ZCARD torrent:%s:peers", announce_data->info_hash);
announce_data->numwant = (announce_data->numwant <= 0 || announce_data->numwant > 50) ? 50 : announce_data->numwant;
redisAsyncCommand(redis, NULL, NULL, "ZRANGE torrent:%s:seeds 0 %d", announce_data->info_hash, announce_data->numwant);
redisAsyncCommand(redis, NULL, NULL, "ZRANGE torrent:%s:peers 0 %d", announce_data->info_hash, announce_data->numwant);
if (announce_data->left == 0) {
redisAsyncCommand(redis, NULL, NULL, "ZADD torrent:%s:seeds %llu %b", announce_data->info_hash, now, &peer, sizeof(peer));
} else {
redisAsyncCommand(redis, NULL, NULL, "ZADD torrent:%s:peers %llu %b", announce_data->info_hash, now, &peer, sizeof(peer));
}
if (announce_data->event == 1 ) {
char *info_hash = (char*)malloc(sizeof(char)*41);
memcpy(info_hash, announce_data->info_hash, 41);
increment_completion_count(announce_data->socket_data, info_hash);
}
redisAsyncCommand(redis, send_announce_reply, announce_data, "EXEC");
}
gint
rspamd_stat_cache_redis_check (struct rspamd_task *task,
gboolean is_spam,
gpointer runtime)
{
struct rspamd_redis_cache_runtime *rt = runtime;
struct timeval tv;
gchar *h;
h = rspamd_mempool_get_variable (task->task_pool, "words_hash");
if (h == NULL) {
return RSPAMD_LEARN_INGORE;
}
double_to_tv (rt->ctx->timeout, &tv);
if (redisAsyncCommand (rt->redis, rspamd_stat_cache_redis_get, rt,
"HGET %s %s",
rt->ctx->redis_object, h) == REDIS_OK) {
rspamd_session_add_event (task->s, rspamd_redis_cache_fin, rt,
rspamd_stat_cache_redis_quark ());
event_add (&rt->timeout_event, &tv);
rt->has_event = TRUE;
}
/* We need to return OK every time */
return RSPAMD_LEARN_OK;
}
gint
rspamd_stat_cache_redis_learn (struct rspamd_task *task,
gboolean is_spam,
gpointer runtime)
{
struct rspamd_redis_cache_runtime *rt = runtime;
struct timeval tv;
gchar *h;
gint flag;
h = rspamd_mempool_get_variable (task->task_pool, "words_hash");
g_assert (h != NULL);
double_to_tv (rt->ctx->timeout, &tv);
flag = (task->flags & RSPAMD_TASK_FLAG_LEARN_SPAM) ? 1 : -1;
if (redisAsyncCommand (rt->redis, rspamd_stat_cache_redis_set, rt,
"HSET %s %s %d",
rt->ctx->redis_object, h, flag) == REDIS_OK) {
rspamd_session_add_event (task->s, rspamd_redis_cache_fin, rt,
rspamd_stat_cache_redis_quark ());
event_add (&rt->timeout_event, &tv);
rt->has_event = TRUE;
}
/* We need to return OK every time */
return RSPAMD_LEARN_OK;
}
void events::redis_read_callback(redisAsyncContext *context, void *reply, void *data) {
auto _reply = static_cast<redisReply*>(reply);
auto e_spec = static_cast<event_redis_watcher*>(data);
e_spec->callback(context, _reply->element[1]->str);
redisAsyncCommand(e_spec->context, redis_read_callback, data, "BLPOP %s 0 ", _reply->element[0]->str);
}
void GatewayDataMgr::getGatewayProp(const std::string & gwid, QFuncObject * ptFuncObj) {
//userportal would check user's gw ownship(include checking if gw registerd)
//so here, we just get
char tmp[128];
sprintf(tmp, "%s:%s:%s", ISCRule::iot_gw_dbtag.c_str(), gwid.c_str(), ISCRule::iot_gwprop_dbtag.c_str());
redisAsyncCommand(mPtRedisAC, queryGWPropCallback, ptFuncObj, "hgetall %s", tmp);
}
/** \brief SCLogRedisWriteAsync() writes string to redis output in async mode
* \param file_ctx Log file context allocated by caller
* \param string Buffer to output
*/
static int SCLogRedisWriteAsync(LogFileCtx *file_ctx, const char *string, size_t string_len)
{
SCLogRedisContext *ctx = file_ctx->redis;
if (! ctx->connected) {
if (SCConfLogReopenAsyncRedis(file_ctx) == -1) {
return -1;
}
if (ctx->tried == 0) {
SCLogNotice("Trying to connect to Redis");
}
SCLogAsyncRedisSendEcho(ctx);
}
if (!ctx->connected) {
return -1;
}
if (ctx->async == NULL) {
return -1;
}
redisAsyncCommand(ctx->async,
SCRedisAsyncCommandCallback,
file_ctx,
"%s %s %s",
file_ctx->redis_setup.command,
file_ctx->redis_setup.key,
string);
event_base_loop(ctx->ev_base, EVLOOP_NONBLOCK);
return 0;
}
int Stream_update (Stream_t *s,
char *field,
int value)
{
char *message;
if (strcmp(field, "frameLength") == 0) {
s->frameLength = value;
} else if (strcmp(field, "frameRate") == 0) {
s->frameRate = value;
double interval = 1.0 / value;
time_t sec = (time_t) floor(interval);
suseconds_t usec = (suseconds_t) floor((interval-sec) * 1e6);
s->interval.tv_sec = sec;
s->interval.tv_usec = usec;
} else if (strcmp(field, "dimensions") == 0) {
s->dimensions = value;
} else return 1;
redisAsyncCommand(s->redisContext, _onFreeMe, NULL,
"HSET stream:%s %s %d",
s->id, field, value
);
message = _super_print("{\"%s\":%d}", field, value);
Stream_publishEvent(s, "update", message);
free(message);
return 0;
}
void delete_redis_keys(const char *key_pattern)
{
redisAsyncContext *ac = defaultAsyncContext;
if(ac) {
redisAsyncCommand(ac, deleteKeysCallback, ac->ev.data, "keys %s", key_pattern);
}
}
void terminate(void) {
evtimer_del(&sspPollEvent);
if(db) {
redisAsyncCommand(db, NULL, NULL, "SET component:ssp 0");
redisAsyncDisconnect(db);
db = NULL;
}
}
static void *redis_subscribe(void *args)
{
struct cachefs *fs = (struct cachefs *)args;
redisLibeventAttach(handle->async, handle->event_base);
redisAsyncCommand(handle->async, on_subscribe_msg, fs, \
"SUBSCRIBE %s", fs->redis_res_channel);
event_base_dispatch(handle->event_base);
}
int main (int argc, char **argv) {
signal(SIGPIPE, SIG_IGN);
redisAsyncContext *c = redisAsyncConnect("127.0.0.1", 6379);
if (c->err) {
/* Let *c leak for now... */
printf("Error: %s\n", c->errstr);
return 1;
}
redisLibevAttach(EV_DEFAULT_ c);
redisAsyncSetConnectCallback(c,connectCallback);
redisAsyncSetDisconnectCallback(c,disconnectCallback);
redisAsyncCommand(c, NULL, NULL, "SET key %b", argv[argc-1], strlen(argv[argc-1]));
redisAsyncCommand(c, getCallback, (char*)"end-1", "GET key");
ev_loop(EV_DEFAULT_ 0);
return 0;
}
void redis_disconnect_callback(const redisAsyncContext* c, int status)
{
struct nbd_handle* handle;
if (c->data)
{
handle = (struct nbd_handle*) c->data;
}
else
{
fprintf_light_red(stderr, "FATAL: Handle not passed to disconnect "
"callback.\n");
assert(c->data != NULL);
return;
}
if (status != REDIS_OK)
{
if (c->err == REDIS_ERR_EOF) /* probably standard timeout, reconnect */
{
fprintf_red(stderr, "Redis server disconnected us.\n");
if ((handle->redis_c = redisAsyncConnect(handle->redis_server,
handle->redis_port)) != NULL)
{
fprintf_blue(stderr, "New Redis context, attaching to "
"libevent.\n");
handle->redis_c->data = c->data;
redisLibeventAttach(handle->redis_c, handle->eb);
fprintf_blue(stderr, "Setting disconnect callback.\n");
if (redisAsyncSetDisconnectCallback(handle->redis_c,
&redis_disconnect_callback) != REDIS_ERR)
{
assert(redisAsyncCommand(handle->redis_c,
&redis_async_callback, NULL, "select %d",
handle->redis_db) == REDIS_OK);
fprintf_light_blue(stderr, "Successfully reconnected to "
"the Redis server.\n");
}
else
{
fprintf_light_red(stderr, "Error setting disconnect "
"callback handler for Redis.\n");
}
}
else
{
fprintf_light_red(stderr, "Error trying to reconnect to "
"Redis.\n");
}
return;
}
fprintf_light_red(stderr, "FATAL ERROR DISCONNECTION FROM REDIS\n");
fprintf_light_blue(stderr, "Error: %s\n", c->errstr);
assert(false);
}
}
static void issueRequest(client c) {
int op = config.optab[random() % 100];
long key, hashkey;
unsigned long datalen;
config.issued_requests++;
if (config.issued_requests == config.num_requests) config.done = 1;
c->start = microseconds();
if (config.longtail) {
key = longtailprng(0,config.keyspace-1,config.longtail_order);
hashkey = longtailprng(0,config.hashkeyspace-1,config.longtail_order);
} else {
key = random() % config.keyspace;
hashkey = random() % config.hashkeyspace;
}
c->keyid = key;
c->reqtype = op;
if (op == REDIS_IDLE) {
/* Idle */
} else if (op == REDIS_SET) {
datalen = randomData(key);
redisAsyncCommand(c->context,handleReply,NULL,"SET string:%ld %b",key,config.databuf,datalen);
} else if (op == REDIS_GET) {
redisAsyncCommand(c->context,handleReply,NULL,"GET string:%ld",key);
} else if (op == REDIS_DEL) {
redisAsyncCommand(c->context,handleReply,NULL,"DEL string:%ld list:%ld hash:%ld",key,key,key);
} else if (op == REDIS_LPUSH) {
datalen = randomData(key);
redisAsyncCommand(c->context,handleReply,NULL,"LPUSH list:%ld %b",key,config.databuf,datalen);
} else if (op == REDIS_LPOP) {
redisAsyncCommand(c->context,handleReply,NULL,"LPOP list:%ld",key);
} else if (op == REDIS_HSET) {
datalen = randomData(key);
redisAsyncCommand(c->context,handleReply,NULL,"HSET hash:%ld key:%ld %b",key,hashkey,config.databuf,datalen);
} else if (op == REDIS_HGET) {
redisAsyncCommand(c->context,handleReply,NULL,"HGET hash:%ld key:%ld",key,hashkey);
} else if (op == REDIS_HGETALL) {
redisAsyncCommand(c->context,handleReply,NULL,"HGETALL hash:%ld",key);
} else if (op == REDIS_SWAPIN) {
/* Only accepts a single argument, so for now only works with string keys. */
redisAsyncCommand(c->context,handleReply,NULL,"DEBUG SWAPIN string:%ld",key);
} else {
assert(NULL);
}
}
int main (int argc, char **argv) {
signal(SIGPIPE, SIG_IGN);
struct event_base *base = event_base_new();
redisAsyncContext *c = redisAsyncConnect("127.0.0.1", 6379);
if (c->err) {
/* Let *c leak for now... */
printf("Error: %s\n", c->errstr);
return 1;
}
redisLibeventAttach(c,base);
redisAsyncSetConnectCallback(c,connectCallback);
redisAsyncSetDisconnectCallback(c,disconnectCallback);
redisAsyncCommand(c, NULL, NULL, "SET key %b", argv[argc-1], strlen(argv[argc-1]));
redisAsyncCommand(c, getCallback, (char*)"end-1", "GET key");
event_base_dispatch(base);
return 0;
}
void events::onSubscribe(const string& key,
function<void(redisAsyncContext*,
const string& value)> callback) {
auto e_spec = new event_redis_watcher;
e_spec->context = this->redis;
e_spec->callback = callback;
redis_watchers.push_back(e_spec);
redisAsyncCommand(this->redis_pubsub, redis_subscribe_callback, (void*) redis_watchers.back(), "SUBSCRIBE %s", key.c_str());
}
int main (int argc, char **argv) {
signal(SIGPIPE, SIG_IGN);
redisAsyncContext *c = redisAsyncConnect("127.0.0.1", 6379);
if (c->err) {
/* Let *c leak for now... */
printf("Error: %s\n", c->errstr);
return 1;
}
loop = aeCreateEventLoop();
redisAeAttach(loop, c);
redisAsyncSetConnectCallback(c,connectCallback);
redisAsyncSetDisconnectCallback(c,disconnectCallback);
redisAsyncCommand(c, NULL, NULL, "SET key %b", argv[argc-1], strlen(argv[argc-1]));
redisAsyncCommand(c, getCallback, (char*)"end-1", "GET key");
aeMain(loop);
return 0;
}
void func(const std::string& commandStr)
{
g_SubscribeMutex.lock();
struct event_base *m_base = event_base_new();
redisAsyncContext *m_redis = redisAsyncConnect("127.0.0.1", 6379);
if (m_redis->err) {
/* Let *c leak for now... */
printf("Error: %s\n", m_redis->errstr);
}
redisAsyncCommand(m_redis,authCallback, (char*) "auth", "auth %s", "014006");
redisLibeventAttach(m_redis, m_base);
redisAsyncSetConnectCallback(m_redis, connectCallback);
redisAsyncSetDisconnectCallback(m_redis, disconnectCallback);
redisAsyncCommand(m_redis, subscribeCallback, (char*) "sub", commandStr.c_str());
g_SubscribeMutex.unlock();
event_base_dispatch(m_base);
}
void events::onPop(const string& key,
function<void(redisAsyncContext*,
const string& value)> callback,
int timeout) {
auto e_spec = new event_redis_watcher;
e_spec->context = this->redis;
e_spec->callback = callback;
redis_watchers.push_back(e_spec);
redisAsyncCommand(this->redis, redis_read_callback, (void*) redis_watchers.back(), "BLPOP %s %d", key.c_str(), timeout);
};
int RedisAsyncConn::Del(const string &key, redis_callback_t callback, void *callback_data) {
if (m_state != CONNECTED) {
return REDIS_ASYNC_CONN_ERR;
}
int ret = redisAsyncCommand(m_async_context, callback, callback_data, "DEL %b", key.c_str(), key.size());
if (REDIS_OK != ret) {
LOG(ERROR) << "RedisAsyncConn::Del(), key=" << key << ", error=" << m_async_context->errstr;
return REDIS_ASYNC_CONN_ERR;
}
return REDIS_ASYNC_CONN_OK;
}
/*Callback para sinalizar a conexao com o Redis*/
void connectCallback( const redisAsyncContext *c, int status ) {
char subs[256] = {};
strcpy(subs, "SUBSCRIBE ");
strcat(subs, globalChannel );
if (status != REDIS_OK ) {
printf("Error: %s\n", c->errstr);
exit( EXIT_FAILURE);
}
redisAsyncCommand(c, subCallback, (char*) "sub", subs);
}
void
redis_nginx_close_context(redisAsyncContext **context)
{
if ((context != NULL) && (*context != NULL)) {
redisAsyncContext *ac = *context;
if (!ac->err) {
redisAsyncCommand(ac, redis_nginx_ping_callback, NULL, PING_DATABASE_COMMAND);
}
*context = NULL;
}
}
Stream_t* Stream_create (redisAsyncContext *c,
redisAsyncContext *subs,
char *id,
void (*callback)(Stream_t *))
{
Stream_t *s;
char *message;
s = (Stream_t*) malloc(sizeof(Stream_t));
if (s == NULL) return NULL;
s->frameLength = 1;
s->frameRate = 1;
s->dimensions = 1;
s->id = strdup(id);
s->redisContext = c;
s->onCreated = callback;
s->onUpdated = NULL;
s->onPolled = NULL;
s->interval.tv_sec = 1;
s->interval.tv_usec = 0;
s->priv = NULL;
redisAsyncCommand(c, _onFreeMe, NULL, "MULTI");
redisAsyncCommand(c, _onFreeMe, NULL, "SADD stream %s", s->id);
redisAsyncCommand(c, _onFreeMe, NULL,
"HMSET stream:%s frameLength %d frameRate %d dimensions %d",
s->id, s->frameLength, s->frameRate, s->dimensions
);
message = _super_print("{"
"\"frameLength\": %d,"
"\"frameRate\": %d,"
"\"dimensions\": %d"
"}", s->frameLength, s->frameRate, s->dimensions);
Stream_publishEvent(s, "create", message);
free(message);
redisAsyncCommand(c, _onCreated, s, "EXEC");
redisAsyncCommand(subs, _onMessage, s, "SUBSCRIBE stream:%s:feed", s->id);
return s;
}
int Stream_sendFrame (Stream_t *s,
char *data,
size_t length)
{
redisAsyncCommand(s->redisContext, _onFreeMe, NULL,
"PUBLISH stream:%s:pipe %b",
s->id, data, length
);
free(data);
return 0;
}
void GatewayDataMgr::cacheUpRInfoCallback(redisAsyncContext *c, void *r, void *privdata) {
redisReply *reply = (redisReply *)r;
if (reply == NULL) {
LOG(ERROR)<<" -cacheUpRouterInfo: reply null";
return;
}
LOG(TRACE)<<(char *)privdata<<" ret:"<<reply->str;
redisAsyncCommand(c, expireUpRCacheCallback, NULL, "expire %s %d", (char *)privdata, 30);
}
gboolean
rspamd_redis_process_tokens (struct rspamd_task *task,
GPtrArray *tokens,
gint id, gpointer p)
{
struct redis_stat_runtime *rt = REDIS_RUNTIME (p);
rspamd_fstring_t *query;
struct timeval tv;
gint ret;
if (tokens == NULL || tokens->len == 0 || rt->redis == NULL) {
return FALSE;
}
rt->id = id;
if (redisAsyncCommand (rt->redis, rspamd_redis_connected, rt, "HGET %s %s",
rt->redis_object_expanded, "learns") == REDIS_OK) {
rspamd_session_add_event (task->s, rspamd_redis_fin, rt,
rspamd_redis_stat_quark ());
rt->has_event = TRUE;
if (event_get_base (&rt->timeout_event)) {
event_del (&rt->timeout_event);
}
event_set (&rt->timeout_event, -1, EV_TIMEOUT, rspamd_redis_timeout, rt);
event_base_set (task->ev_base, &rt->timeout_event);
double_to_tv (rt->ctx->timeout, &tv);
event_add (&rt->timeout_event, &tv);
query = rspamd_redis_tokens_to_query (task, tokens,
"HMGET", rt->redis_object_expanded, FALSE, -1,
rt->stcf->clcf->flags & RSPAMD_FLAG_CLASSIFIER_INTEGER);
g_assert (query != NULL);
rspamd_mempool_add_destructor (task->task_pool,
(rspamd_mempool_destruct_t)rspamd_fstring_free, query);
ret = redisAsyncFormattedCommand (rt->redis, rspamd_redis_processed, rt,
query->str, query->len);
if (ret == REDIS_OK) {
return TRUE;
}
else {
msg_err_task ("call to redis failed: %s", rt->redis->errstr);
}
}
return FALSE;
}
int RedisAsyncConn::SetEX(const string &key, int timeout, const string &value,
redis_callback_t callback, void *callback_data) {
if (m_state != CONNECTED) {
return REDIS_ASYNC_CONN_ERR;
}
int ret = redisAsyncCommand(m_async_context, callback, callback_data, "SETEX %b %d %b",
key.c_str(), key.size(), timeout, value.c_str(), value.size());
if (REDIS_OK != ret) {
LOG(ERROR) << "RedisAsyncConn::SetEX(), key=" << key << ", timeout=" << timeout
<< ", error=" << m_async_context->errstr;
return REDIS_ASYNC_CONN_ERR;
}
return REDIS_ASYNC_CONN_ERR;
}