void flushdb()
{
Redis::Context* cxt = Application::context_map()->get(Prefix::user);
redisContext* rdb = redisConnect(cxt->host.c_str(),cxt->port);
redisReply* r = (redisReply*) redisCommand(rdb, "select %d", cxt->db_num);
freeReplyObject(r);
r = (redisReply*) redisCommand(rdb,"flushdb");
freeReplyObject(r);
redisFree(rdb);
}
//-------------------------------------------------------------------------------------
bool DBInterfaceRedis::detach()
{
if(pRedisContext_)
{
redisFree(pRedisContext_);
pRedisContext_ = NULL;
}
return true;
}
void get(char *key){
redisContext* c = redisConnect("127.0.0.1", 6379);
redisReply* r = (redisReply*)redisCommand(c,"get %s",key);
if(r->type == REDIS_REPLY_STRING){
printf("get value = %s",r->str);
}
freeReplyObject(r);
redisFree(c);
}
void hiredis_backend__free(git_odb_backend *_backend)
{
hiredis_backend *backend;
assert(_backend);
backend = (hiredis_backend *) _backend;
redisFree(backend->db);
free(backend);
}
bool RedisDriver::Reconnect()
{
if (m_pContext != NULL)
{
redisFree(m_pContext);
m_pContext = NULL;
}
XLog(LEVEL_ERROR, "[Redis]: reconnecting...\n");
return Connect(m_sIP, m_nPort, m_sPwd, m_nConnTimeout);
}
int git_refdb_backend_hiredis(git_refdb_backend **backend_out, const char* prefix, const char* path, const char *host, int port, char* password)
{
hiredis_refdb_backend *backend;
redisReply *reply;
backend = calloc(1, sizeof(hiredis_refdb_backend));
if (backend == NULL)
return GITERR_NOMEMORY;
if (sharedConnection == NULL) {
sharedConnection = redisConnect(host, port);
if (sharedConnection->err) {
free(backend);
giterr_set_str(GITERR_REFERENCE, "Redis refdb storage couldn't connect to redis server");
return GIT_ERROR;
}
if (password != NULL) {
reply = redisCommand(sharedConnection, "AUTH %s", password);
if (reply->type == REDIS_REPLY_ERROR) {
freeReplyObject(reply);
redisFree(sharedConnection);
free(backend);
giterr_set_str(GITERR_REFERENCE, "Redis refdb storage authentication with redis server failed");
return GIT_ERROR;
}
freeReplyObject(reply);
}
}
backend->db = sharedConnection;
backend->prefix = strdup(prefix);
backend->repo_path = strdup(path);
backend->parent.exists = &hiredis_refdb_backend__exists;
backend->parent.lookup = &hiredis_refdb_backend__lookup;
backend->parent.iterator = &hiredis_refdb_backend__iterator;
backend->parent.write = &hiredis_refdb_backend__write;
backend->parent.del = &hiredis_refdb_backend__del;
backend->parent.rename = &hiredis_refdb_backend__rename;
backend->parent.compress = NULL;
backend->parent.free = &hiredis_refdb_backend__free;
backend->parent.has_log = &hiredis_refdb_backend__has_log;
backend->parent.ensure_log = &hiredis_refdb_backend__ensure_log;
backend->parent.reflog_read = &hiredis_refdb_backend__reflog_read;
backend->parent.reflog_write = &hiredis_refdb_backend__reflog_write;
backend->parent.reflog_rename = &hiredis_refdb_backend__reflog_rename;
backend->parent.reflog_delete = &hiredis_refdb_backend__reflog_delete;
*backend_out = (git_refdb_backend *) backend;
return GIT_OK;
}
static int check_contents(request_rec *req)
{
llzr_config *conf = ap_get_module_config (c->base_server->module_config, &llzr_module);
GTable *post_data = get_post_data(req);
redis = conf->redisconn;
reply = conf->redisreply;
/*
Things of interest:
request_rec->uri
request_rec->useragent_ip
request_rec->request_time
request_rec->method
*/
char *request_remote_ip = recq->useragent_ip;
apr_time_t request_timestamp = recq->request_time;
char *request_uri = recq->uri;
char *request_method = recq->method;
/*
@TODO: look through post request for username and password
if they are included, create a token id, and insert into redis database
send back a 402 payment required or 307 to /login/token
ask the user to authorize login...
on resubmission ony the token is passed and if exists, login is sucessful
if not, the entry is logged and evaluated
*/
/*
...
*/
if (post_data) {
/* ... hash the password to be secure in memory even.. */
size_t length = sizeof(post_data['USERNAME_FIELD']);
unsigned char hash[SHA_DIGEST_LENGTH];
SHA1(post_data['USERNAME_FIELD'], length, hash);
reply = redisCommand(redis, "HMSET %s %s %s", request_remote_ip, username, hash);
}
/*
...
*/
redisFreeReply(reply);
redisFree(redis);
return OK;
}
SEXP cr_connect(SEXP sHost, SEXP sPort, SEXP sTimeout, SEXP sReconnect, SEXP sRetry) {
const char *host = "localhost";
double tout = Rf_asReal(sTimeout);
int port = Rf_asInteger(sPort), reconnect = (Rf_asInteger(sReconnect) > 0),
retry = (Rf_asInteger(sRetry) > 0);
redisContext *ctx;
rconn_t *c;
SEXP res;
struct timeval tv;
if (TYPEOF(sHost) == STRSXP && LENGTH(sHost) > 0)
host = CHAR(STRING_ELT(sHost, 0));
tv.tv_sec = (int) tout;
tv.tv_usec = (tout - (double)tv.tv_sec) * 1000000.0;
if (port < 1)
ctx = redisConnectUnixWithTimeout(host, tv);
else
ctx = redisConnectWithTimeout(host, port, tv);
if (!ctx) Rf_error("connect to redis failed (NULL context)");
if (ctx->err){
SEXP es = Rf_mkChar(ctx->errstr);
redisFree(ctx);
Rf_error("connect to redis failed: %s", CHAR(es));
}
c = malloc(sizeof(rconn_t));
if (!c) {
redisFree(ctx);
Rf_error("unable to allocate connection context");
}
c->rc = ctx;
c->flags = (reconnect ? RCF_RECONNECT : 0) | (retry ? RCF_RETRY : 0);
c->host = strdup(host);
c->port = port;
c->timeout = tout;
redisSetTimeout(ctx, tv);
res = PROTECT(R_MakeExternalPtr(c, R_NilValue, R_NilValue));
Rf_setAttrib(res, R_ClassSymbol, Rf_mkString("redisConnection"));
R_RegisterCFinalizer(res, rconn_fin);
UNPROTECT(1);
return res;
}
int main()
{
redisContext* r {redisConnect("localhost",6379)};
freeReplyObject(redisCommand(r, "flushall"));
redisFree(r);
populate_users();
Test::TextOutput o(Test::TextOutput::Verbose);
GMTS test {};
return test.run(o) ? EXIT_SUCCESS : EXIT_FAILURE;
}
bool CRedisClient::ReConnect()
{
LockerGuard guard(*m_locker);
if( m_pRedisContext )
{
redisFree(m_pRedisContext);
m_pRedisContext = NULL;
}
struct timeval timeout = { 0, 500000 }; // 0.5 seconds 重连
return OnConnect(&timeout);
}
void init_thread(evhtp_t *htp, evthr_t *thread, void *arg)
{
thr_arg_t *thr_args;
thr_args = calloc(1, sizeof(thr_arg_t));
thr_args->thread = thread;
char mserver[32];
if(settings.cache_on == true)
{
memcached_st *memc = memcached_create(NULL);
snprintf(mserver, 32, "%s:%d", settings.cache_ip, settings.cache_port);
memcached_server_st *servers = memcached_servers_parse(mserver);
memcached_server_push(memc, servers);
memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL, 1);
memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_NO_BLOCK, 1);
memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_NOREPLY, 1);
memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_TCP_KEEPALIVE, 1);
thr_args->cache_conn = memc;
LOG_PRINT(LOG_DEBUG, "Memcached Connection Init Finished.");
memcached_server_list_free(servers);
}
if(settings.mode == 2)
{
memcached_st *beans = memcached_create(NULL);
snprintf(mserver, 32, "%s:%d", settings.beansdb_ip, settings.beansdb_port);
memcached_server_st *servers = memcached_servers_parse(mserver);
servers = memcached_servers_parse(mserver);
memcached_server_push(beans, servers);
memcached_behavior_set(beans, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL, 0);
memcached_behavior_set(beans, MEMCACHED_BEHAVIOR_NO_BLOCK, 1);
memcached_behavior_set(beans, MEMCACHED_BEHAVIOR_TCP_KEEPALIVE, 1);
thr_args->beansdb_conn = beans;
LOG_PRINT(LOG_DEBUG, "beansdb Connection Init Finished.");
memcached_server_list_free(servers);
}
else if(settings.mode == 3)
{
redisContext* c = redisConnect(settings.ssdb_ip, settings.ssdb_port);
if(c->err)
{
redisFree(c);
LOG_PRINT(LOG_DEBUG, "Connect to ssdb server faile");
}
else
{
thr_args->ssdb_conn = c;
LOG_PRINT(LOG_DEBUG, "Connect to ssdb server Success");
}
}
evthr_set_aux(thread, thr_args);
}
void RedisClientPool::Destroy(redisContext* item)
{
if (item)
{
stringstream stream;
stream << "free redis context";
LOG(INFO, stream.str());
redisFree(item);
}
}
RedisOperator::~RedisOperator()
{
if(this->ctx)
{
redisFree(this->ctx);
this->ctx = NULL;
}
this->host.resize(0);
this->port = -1;
this->password.resize(0);
}
HashNodeGenerator::HashNodeGenerator (const std::string& node)
{
redisContext* rdb = redisConnect(REDIS_HOST, REDIS_PORT);
__reply = (redisReply*) redisCommand(rdb, "type %s", node.c_str());
assert(strcmp(__reply->str,"hash") == 0);
freeReplyObject(__reply);
__reply = (redisReply*) redisCommand(rdb, "hgetall %s", node.c_str());
redisFree(rdb);
current =0;
}
/* Internal methods */
static redisContext* redis_connection(struct redis_handler *handle)
{
redisContext* context = NULL;
struct timeval timeout = { 1, 500000 }; // 1.5 seconds
context = redisConnectWithTimeout((char*)handle->redis_ip, handle->redis_port, timeout);
if (context == NULL || context->err) {
if (context != NULL) {
redisFree(context);
}
return NULL;
}
/* make keepalive connection */
if (redisEnableKeepAlive(context) != REDIS_OK){
if (context != NULL) {
redisFree(context);
}
return NULL;
}
return context;
}
void init_banned_syscall(){
redisContext* r= redisConnect(REDIS_IP,REDIS_PORT) ;
redisReply *re = redisCommand(r,"lrange lambda:banned_syscall 0 -1") ;
int i ;
for(i=0;i<re->elements;i++){
int curr_sysnum = atoi(re->element[i]->str) ;
syscall_white_list[curr_sysnum] = 1 ;
}
freeReplyObject(re);
redisFree(r) ;
}
static void cleanup(void) {
redisContext *c = blocking_context;
redisReply *reply;
/* Make sure we're on DB 9 */
reply = redisCommand(c,"SELECT 9");
assert(reply != NULL); freeReplyObject(reply);
reply = redisCommand(c,"FLUSHDB");
assert(reply != NULL); freeReplyObject(reply);
redisFree(c);
}
static int pushConnection(lua_State *L, redisContext *con) {
if (con != NULL && con->err) {
luaL_error(L, "Error: %s\n", con->errstr);
lua_pushnil(L);
lua_pushstring(L, con->errstr);
redisFree(con);
return 2;
}
lua_pushlightuserdata(L, con);
return 1;
};
static int _mod_conn_free(REDISSOCK *dissocket)
{
redisFree(dissocket->conn);
if (dissocket->reply) {
freeReplyObject(dissocket->reply);
dissocket->reply = NULL;
}
return 0;
}
/* Helper function to free the context. */
static void __redisAsyncFree(redisAsyncContext *ac) {
redisContext *c = &(ac->c);
redisCallback cb;
dictIterator *it;
dictEntry *de;
// 执行所有等待队列中回调函数，将空回复传进去
/* Execute pending callbacks with NULL reply. */
while (__redisShiftCallback(&ac->replies,&cb) == REDIS_OK)
__redisRunCallback(ac,&cb,NULL);
// 执行所有等待队列中回调函数，将空回复传进去
// 这里是无效命令的回调函数
/* Execute callbacks for invalid commands */
while (__redisShiftCallback(&ac->sub.invalid,&cb) == REDIS_OK)
__redisRunCallback(ac,&cb,NULL);
// 执行所有等待队列中回调函数，将空回复传进去
// 这里是订阅发布的回调函数
/* Run subscription callbacks callbacks with NULL reply */
it = dictGetIterator(ac->sub.channels);
while ((de = dictNext(it)) != NULL)
__redisRunCallback(ac,dictGetEntryVal(de),NULL);
dictReleaseIterator(it);
dictRelease(ac->sub.channels);
// 执行所有等待队列中回调函数，将空回复传进去
// 这里是订阅发布的回调函数
it = dictGetIterator(ac->sub.patterns);
while ((de = dictNext(it)) != NULL)
__redisRunCallback(ac,dictGetEntryVal(de),NULL);
dictReleaseIterator(it);
dictRelease(ac->sub.patterns);
// 注销连接上的读写事件
/* Signal event lib to clean up */
_EL_CLEANUP(ac);
// 执行连接关闭回调函数，可做一些清理工作
/* Execute disconnect callback. When redisAsyncFree() initiated destroying
* this context, the status will always be REDIS_OK. */
if (ac->onDisconnect && (c->flags & REDIS_CONNECTED)) {
if (c->flags & REDIS_FREEING) {
ac->onDisconnect(ac,REDIS_OK);
} else {
ac->onDisconnect(ac,(ac->err == 0) ? REDIS_OK : REDIS_ERR);
}
}
// 释放 redisContext 中的内存
/* Cleanup self */
redisFree(c);
}
MHIREDIS_T MHiRedis::cleanUp() {
// free redis resource
redisFree(context_);
// reset members
context_ = NULL;
host_ = "";
port_ = 0;
password_ = "";
db_ = -1;
timeout_ = 0;
}
void justice_cmd::cancel()
{
if (!m_executor)
return;
redisContext *c = redisConnect("127.0.0.1", 6379);
if (!c)
return;
if (c->err != 0) {
redisFree(c);
return;
}
void *reply = redisCommand(c, "PUBLISH %s %s", qUtf8Printable(m_info_chnl), "end");
if (reply)
freeReplyObject(reply);
redisFree(c);
}
static void test_free_null(void) {
void *redisCtx = NULL;
void *reply = NULL;
test("Don't fail when redisFree is passed a NULL value: ");
redisFree(redisCtx);
test_cond(redisCtx == NULL);
test("Don't fail when freeReplyObject is passed a NULL value: ");
freeReplyObject(reply);
test_cond(reply == NULL);
}
static void test_blocking_connection_errors(void) {
redisContext *c;
test("Returns error when host cannot be resolved: ");
c = redisConnect((char*)"idontexist.local", 6379);
test_cond(c->err == REDIS_ERR_OTHER &&
(strcmp(c->errstr,"Name or service not known") == 0 ||
strcmp(c->errstr,"Can't resolve: idontexist.local") == 0));
redisFree(c);
test("Returns error when the port is not open: ");
c = redisConnect((char*)"localhost", 1);
test_cond(c->err == REDIS_ERR_IO &&
strcmp(c->errstr,"Connection refused") == 0);
redisFree(c);
test("Returns error when the unix socket path doesn't accept connections: ");
c = redisConnectUnix((char*)"/tmp/idontexist.sock");
test_cond(c->err == REDIS_ERR_IO); /* Don't care about the message... */
redisFree(c);
}
static void adjustClosedConnections( proxyContext *p, redisContext *c ) {
if( c == NULL )
return;
for( int i = 0; i < p->max_count; i++ ) {
if( p->contexts[i] == c ) {
redisFree(p->contexts[i]);
p->contexts[i] = NULL;
break;
}
}
}
static void freeClient(client c) {
listNode *ln;
aeDeleteFileEvent(config.el,c->context->fd,AE_WRITABLE);
aeDeleteFileEvent(config.el,c->context->fd,AE_READABLE);
redisFree(c->context);
sdsfree(c->obuf);
zfree(c);
config.liveclients--;
ln = listSearchKey(config.clients,c);
assert(ln != NULL);
listDelNode(config.clients,ln);
}
static void disconnectRedis(redisContext *c) {
redisReply *reply;
/* Make sure we're on DB 9. */
reply = redisCommand(c,"SELECT 9");
freeReplyObject(reply);
reply = redisCommand(c,"FLUSHDB");
freeReplyObject(reply);
/* Free the context as well. */
redisFree(c);
}
void init_lang_config()
{
redisContext *r = redisConnect(REDIS_IP,REDIS_PORT) ;
int i ;
for(i=0;i<=CPP;i++){
compiler[i] = redisCommand(r,"get lambda:%s:compiler",support_language[i]);
execute[i] = redisCommand(r,"get lambda:%s:execute",support_language[i]);
compile_args[i] = redisCommand(r,"lrange lambda:%s:compile_args 0 -1",support_language[i]) ;
execute_args[i] = redisCommand(r,"lrange lambda:%s:execute_args 0 -1",support_language[i]) ;
}
redisFree(r) ;
}
int rs_redis_append_command(rs_slave_info_t *si, const char *fmt, ...)
{
va_list args;
redisContext *c;
int i, err;
i = 0;
err = 0;
c = si->c;
for( ;; ) {
if(c == NULL) {
/* retry connect*/
c = redisConnect(si->redis_addr, si->redis_port);
if(c->err) {
if(i % 60 == 0) {
i = 0;
rs_log_error(RS_LOG_ERR, rs_errno, "redisConnect(\"%s\", "
"%d) failed, %s" , si->redis_addr, si->redis_port,
c->errstr);
}
redisFree(c);
c = NULL;
i += RS_REDIS_CONNECT_RETRY_SLEEP_SEC;
sleep(RS_REDIS_CONNECT_RETRY_SLEEP_SEC);
continue;
}
}
va_start(args, fmt);
err = redisvAppendCommand(c, fmt, args);
va_end(args);
break;
}
si->c = c;
if(err != REDIS_OK) {
rs_log_error(RS_LOG_ERR, rs_errno, "redisvAppendCommand() failed");
return RS_ERR;
}
si->cmdn++;
return RS_OK;
}
void rs_free_slave(void *data)
{
int err;
rs_slave_info_t *si;
si = data == NULL ? rs_slave_info : (rs_slave_info_t *) data;
if(si != NULL) {
if(si->io_thread != 0) {
if((err = pthread_cancel(si->io_thread)) != 0) {
rs_log_err(err, "pthread_cancel() failed, io_thread");
}
}
if(si->svr_fd != -1) {
rs_close(si->svr_fd);
}
if(si->redis_thread != 0) {
if((err = pthread_cancel(si->redis_thread)) != 0) {
rs_log_err(err, "pthread_cancel() failed, redis_thread");
}
}
if(si->c != NULL) {
redisFree(si->c);
}
if(si->ring_buf != NULL) {
rs_free_ring_buffer2(si->ring_buf);
free(si->ring_buf);
}
/* close slave info file */
if(si->info_fd != -1) {
rs_close(si->info_fd);
}
if((err = pthread_attr_destroy(&(si->thread_attr))) != 0) {
rs_log_err(err, "pthread_attr_destroy() failed, thread_attr");
}
rs_free_conf(&(si->conf));
free(si->conf.kv);
free(si);
}
rs_slave_info = NULL;
}