static ngx_int_t
ngx_xlog_redis_header_filter(ngx_http_request_t *r)
{
ngx_log_redis_loc_conf_t *conf;
int rc = 0;
char ttm[32];
conf = (ngx_log_redis_loc_conf_t *)ngx_http_get_module_loc_conf
(r, ngx_xlog_redis);
if (conf == NULL)
return ngx_http_next_header_filter(r);
if (redis == NULL) {
redis = credis_connect(NULL, 0, 10000);
if (redis == NULL) {
return ngx_http_next_header_filter(r);
}
}
ngx_log_debug(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
"ngx_log_redis_header_filter:%s", conf->xlog_redis.data);
snprintf(ttm, sizeof(ttm), "%d", (int)time(NULL));
rc = credis_lpush(redis, "xlog_redis", ttm);
//rc = credis_hset();
rc = rc;
if (r != r->main) {
return ngx_http_next_header_filter(r);
}
r->headers_out.content_length_n += sizeof("Nginx-HelightXu\n") - 1;
credis_close(redis);
return ngx_http_next_header_filter(r);
}
int main(int argc, char **argv) {
REDIS redis;
REDIS_INFO info;
int rc;
redis = credis_connect(NULL, 9999, 10000);
if (redis == NULL) {
printf("Error connecting to Redis server. Please start server to run tests.\n");
exit(1);
}
printf("Testing a number of credis functions. To perform a simplistic set-command\n"\
"benchmark, run: `%s <num>' where <num> is the number\n"\
"of set-commands to send.\n\n", argv[0]);
printf("\n\n************* misc info ************************************ \n");
rc = credis_ping(redis);
printf("ping returned: %d\n", rc);
rc = credis_info(redis, &info);
printf("info returned %d\n", rc);
printf("> redis_version: %s\n", info.redis_version);
printf("> arch_bits: %d\n", info.arch_bits);
printf("> multiplexing_api: %s\n", info.multiplexing_api);
printf("> process_id: %ld\n", info.process_id);
printf("> uptime_in_seconds: %ld\n", info.uptime_in_seconds);
printf("> uptime_in_days: %ld\n", info.uptime_in_days);
printf("> connected_clients: %d\n", info.connected_clients);
printf("> connected_slaves: %d\n", info.connected_slaves);
printf("> blocked_clients: %d\n", info.blocked_clients);
printf("> used_memory: %zu\n", info.used_memory);
printf("> used_memory_human: %s\n", info.used_memory_human);
printf("> changes_since_last_save: %lld\n", info.changes_since_last_save);
printf("> bgsave_in_progress: %d\n", info.bgsave_in_progress);
printf("> last_save_time: %ld\n", info.last_save_time);
printf("> bgrewriteaof_in_progress: %d\n", info.bgrewriteaof_in_progress);
printf("> total_connections_received: %lld\n", info.total_connections_received);
printf("> total_commands_processed: %lld\n", info.total_commands_processed);
printf("> expired_keys: %lld\n", info.expired_keys);
printf("> hash_max_zipmap_entries: %zu\n", info.hash_max_zipmap_entries);
printf("> hash_max_zipmap_value: %zu\n", info.hash_max_zipmap_value);
printf("> pubsub_channels: %ld\n", info.pubsub_channels);
printf("> pubsub_patterns: %u\n", info.pubsub_patterns);
printf("> vm_enabled: %d\n", info.vm_enabled);
printf("> role: %d\n", info.role);
printf("\n\n************* sets ************************************ \n");
rc = credis_sadd(redis, "fruits", "banana");
printf("sadd returned: %d\n", rc);
rc = credis_sadd(redis, "fruits", "apple");
printf("sadd returned: %d\n", rc);
credis_close(redis);
return 0;
}
static switch_status_t redis_factory(REDIS *redis)
{
if (!((*redis) = credis_connect(globals.host, globals.port, globals.timeout))) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Couldn't connect to redis server at %s:%d timeout:%d\n", globals.host, globals.port, globals.timeout);
return SWITCH_STATUS_FALSE;
}
return SWITCH_STATUS_SUCCESS;
}
//-----------------------------------------------------------------------------
CRedisClient::CRedisClient( std::string hostname, int port )
{
mHostName = hostname;
mPort = port;
mRedisCon = credis_connect(hostname.c_str(), port, REDIS_TIMEOUT);
if (mRedisCon == NULL)
PRT_ERR2("Failed to connect to Redis server at %s:%d", mHostName.c_str(),
mPort);
}
int ZRedis::connect( const char *host)
{
m_pRedis = credis_connect(host, 0, 10000);
if(m_pRedis == NULL)
{
printf("Connect DB failed, db ip = %s\n", host);
}
memset(m_charBuf,'\0',CHARSIZE);
return m_pRedis != NULL ? true : false;
}
/*
* Connect to the redis server. If the passed server struct is uninitialize it
* will be allocated prior to connection.
* Returns PR_CONN if connection succeeded, else PR_FAILED
*/
static int
redis_connect(void) {
if (!pgredis)
return PR_FAIL;
if (pgredis->redis_server != NULL)
return PR_CONN;
pgredis->redis_server = credis_connect((pgredis->server ? pgredis->server : PR_DEFAULT_HOST), (pgredis->port > 0 ? pgredis->port : PR_DEFAULT_PORT), 2000);
return (pgredis->redis_server != NULL ? PR_CONN : PR_FAIL);
}
static ErlDrvData start(ErlDrvPort port, char* cmd) {
//TODO handle connection errors;
REDIS redis = credis_connect(NULL, 0, 10000);
redis_drv_t* retval = (redis_drv_t*) driver_alloc(sizeof(redis_drv_t));
retval->port = port;
retval->redis = redis;
return (ErlDrvData) retval;
}
const fexp* db_connect(closure* c, db* self)
{
if ((self->handle == NULL) || (credis_ping(self->handle) != 0)) {
self->handle = credis_connect("localhost", 6379, 2000); // TODO - get redis DB address from config
}
// check connection
if ((self->handle == NULL) || (credis_ping(self->handle) != 0)) {
// TODO - try to start up redis server
return (fexp*)send(VillageBus, s_villagebus_error, L"Could not connect to redis server");
}
return fexp_nil;
}
static int redis_read (void) /* {{{ */
{
redis_node_t *rn;
for (rn = nodes_head; rn != NULL; rn = rn->next)
{
REDIS rh;
REDIS_INFO info;
int status;
DEBUG ("redis plugin: querying info from node `%s' (%s:%d).", rn->name, rn->host, rn->port);
rh = credis_connect (rn->host, rn->port, rn->timeout);
if (rh == NULL)
{
ERROR ("redis plugin: unable to connect to node `%s' (%s:%d).", rn->name, rn->host, rn->port);
continue;
}
if (strlen (rn->passwd) > 0)
{
DEBUG ("redis plugin: authenticanting node `%s' passwd(%s).", rn->name, rn->passwd);
status = credis_auth(rh, rn->passwd);
if (status != 0)
{
WARNING ("redis plugin: unable to authenticate on node `%s'.", rn->name);
credis_close (rh);
continue;
}
}
memset (&info, 0, sizeof (info));
status = credis_info (rh, &info);
if (status != 0)
{
WARNING ("redis plugin: unable to get info from node `%s'.", rn->name);
credis_close (rh);
continue;
}
/* typedef struct _cr_info {
* char redis_version[CREDIS_VERSION_STRING_SIZE];
* int bgsave_in_progress;
* int connected_clients;
* int connected_slaves;
* unsigned int used_memory;
* long long changes_since_last_save;
* int last_save_time;
* long long total_connections_received;
* long long total_commands_processed;
* int uptime_in_seconds;
* int uptime_in_days;
* int role;
* } REDIS_INFO; */
DEBUG ("redis plugin: received info from node `%s': connected_clients = %d; "
"connected_slaves = %d; used_memory = %lu; changes_since_last_save = %lld; "
"bgsave_in_progress = %d; total_connections_received = %lld; "
"total_commands_processed = %lld; uptime_in_seconds = %ld", rn->name,
info.connected_clients, info.connected_slaves, info.used_memory,
info.changes_since_last_save, info.bgsave_in_progress,
info.total_connections_received, info.total_commands_processed,
info.uptime_in_seconds);
redis_submit_g (rn->name, "current_connections", "clients", info.connected_clients);
redis_submit_g (rn->name, "current_connections", "slaves", info.connected_slaves);
redis_submit_g (rn->name, "memory", "used", info.used_memory);
redis_submit_g (rn->name, "volatile_changes", NULL, info.changes_since_last_save);
redis_submit_d (rn->name, "total_connections", NULL, info.total_connections_received);
redis_submit_d (rn->name, "total_operations", NULL, info.total_commands_processed);
credis_close (rh);
}
return 0;
}
int main(int argc, char **argv) {
REDIS redis;
REDIS_INFO info;
char *val, **valv;
const char *keyv[] = {"kalle", "adam", "unknown", "bertil", "none"};
int rc, keyc=5, i;
redis = credis_connect(NULL, 0, 10000);
if (redis == NULL) {
printf("Error connecting to Redis server. Please start server to run tests.\n");
exit(1);
}
printf("\n\n************* misc info ************************************ \n");
rc = credis_info(redis, &info);
printf("info returned %d\n", rc);
printf("> redis_version: %s\n", info.redis_version);
printf("> arch_bits: %d\n", info.arch_bits);
printf("> multiplexing_api: %s\n", info.multiplexing_api);
printf("> process_id: %ld\n", info.process_id);
printf("> uptime_in_seconds: %ld\n", info.uptime_in_seconds);
printf("> uptime_in_days: %ld\n", info.uptime_in_days);
printf("> connected_clients: %d\n", info.connected_clients);
printf("> connected_slaves: %d\n", info.connected_slaves);
printf("> blocked_clients: %d\n", info.blocked_clients);
printf("> used_memory: %zu\n", (size_t)info.used_memory);
printf("> used_memory_human: %s\n", info.used_memory_human);
printf("> changes_since_last_save: %lld\n", info.changes_since_last_save);
printf("> bgsave_in_progress: %d\n", info.bgsave_in_progress);
printf("> last_save_time: %ld\n", info.last_save_time);
printf("> bgrewriteaof_in_progress: %d\n", info.bgrewriteaof_in_progress);
printf("> total_connections_received: %lld\n", info.total_connections_received);
printf("> total_commands_processed: %lld\n", info.total_commands_processed);
printf("> expired_keys: %lld\n", info.expired_keys);
printf("> hash_max_zipmap_entries: %zu\n", (size_t)info.hash_max_zipmap_entries);
printf("> hash_max_zipmap_value: %zu\n", (size_t)info.hash_max_zipmap_value);
printf("> pubsub_channels: %ld\n", info.pubsub_channels);
printf("> pubsub_patterns: %u\n", info.pubsub_patterns);
printf("> vm_enabled: %d\n", info.vm_enabled);
printf("> role: %d\n", info.role);
printf("\n\n************* get/set ************************************ \n");
rc = credis_set(redis, "kalle", "kula");
printf("set kalle=kula returned: %d\n", rc);
rc = credis_get(redis, "kalle", &val);
printf("get kalle returned: %s\n", val);
rc = credis_type(redis, "someunknownkey");
printf("get type unknown key returned: %d\n", rc);
rc = credis_type(redis, "kalle");
printf("get type known key returned: %d\n", rc);
rc = credis_getset(redis, "kalle", "buhu", &val);
printf("get set kalle=buhu returned: %s\n", val);
rc = credis_get(redis, "kalle", &val);
printf("get kalle returned: %s\n", val);
rc = credis_del(redis, "kalle");
printf("del kalle returned: %d\n", rc);
rc = credis_get(redis, "kalle", &val);
printf("get kalle returned: %s\n", val);
rc = credis_set(redis, "adam", "aaa");
rc = credis_set(redis, "bertil", "bbbbbbb");
rc = credis_set(redis, "caesar", "cccc");
rc = credis_get(redis, "adam", &val);
printf("get adam returned: %s\n", val);
rc = credis_get(redis, "bertil", &val);
printf("get bertil returned: %s\n", val);
rc = credis_get(redis, "caesar", &val);
printf("get caesar returned: %s\n", val);
rc = credis_mget(redis, keyc, keyv, &valv);
printf("mget returned: %d\n", rc);
for (i = 0; i < rc; i++)
printf(" % 2d: %s\n", i, valv[i]);
credis_close(redis);
return 0;
}
