int redisc_init(void)
{
char addr[256], pass[256], unix_sock_path[256];
unsigned int port, db, sock = 0, haspass = 0;
redisc_server_t *rsrv=NULL;
param_t *pit = NULL;
struct timeval tv_conn;
struct timeval tv_cmd;
tv_conn.tv_sec = (int) redis_connect_timeout_param / 1000;
tv_conn.tv_usec = (int) (redis_connect_timeout_param % 1000) * 1000;
tv_cmd.tv_sec = (int) redis_cmd_timeout_param / 1000;
tv_cmd.tv_usec = (int) (redis_cmd_timeout_param % 1000) * 1000;
if(_redisc_srv_list==NULL)
{
LM_ERR("no redis servers defined\n");
return -1;
}
for(rsrv=_redisc_srv_list; rsrv; rsrv=rsrv->next)
{
port = 6379;
db = 0;
haspass = 0;
sock = 0;
memset(addr, 0, sizeof(addr));
memset(pass, 0, sizeof(pass));
memset(unix_sock_path, 0, sizeof(unix_sock_path));
for (pit = rsrv->attrs; pit; pit=pit->next)
{
if(pit->name.len==4 && strncmp(pit->name.s, "unix", 4)==0) {
snprintf(unix_sock_path, sizeof(unix_sock_path)-1, "%.*s", pit->body.len, pit->body.s);
sock = 1;
} else if(pit->name.len==4 && strncmp(pit->name.s, "addr", 4)==0) {
snprintf(addr, sizeof(addr)-1, "%.*s", pit->body.len, pit->body.s);
} else if(pit->name.len==4 && strncmp(pit->name.s, "port", 4)==0) {
if(str2int(&pit->body, &port) < 0)
port = 6379;
} else if(pit->name.len==2 && strncmp(pit->name.s, "db", 2)==0) {
if(str2int(&pit->body, &db) < 0)
db = 0;
} else if(pit->name.len==4 && strncmp(pit->name.s, "pass", 4)==0) {
snprintf(pass, sizeof(pass)-1, "%.*s", pit->body.len, pit->body.s);
haspass = 1;
}
}
if(sock != 0) {
LM_DBG("Connecting to unix socket: %s\n", unix_sock_path);
rsrv->ctxRedis = redisConnectUnixWithTimeout(unix_sock_path,
tv_conn);
} else {
LM_DBG("Connecting to %s:%d\n", addr, port);
rsrv->ctxRedis = redisConnectWithTimeout(addr, port, tv_conn);
}
LM_DBG("rsrv->ctxRedis = %p\n", rsrv->ctxRedis);
if(!rsrv->ctxRedis) {
LM_ERR("Failed to create REDIS-Context.\n");
goto err;
}
if (rsrv->ctxRedis->err) {
LM_ERR("Failed to create REDIS returned an error: %s\n", rsrv->ctxRedis->errstr);
goto err2;
}
if ((haspass != 0) && redisc_check_auth(rsrv, pass)) {
LM_ERR("Authentication failed.\n");
goto err2;
}
if (redisSetTimeout(rsrv->ctxRedis, tv_cmd)) {
LM_ERR("Failed to set timeout.\n");
goto err2;
}
if (redisCommandNR(rsrv->ctxRedis, "PING")) {
LM_ERR("Failed to send PING (REDIS returned %s).\n", rsrv->ctxRedis->errstr);
goto err2;
}
if ((redis_cluster_param == 0) && redisCommandNR(rsrv->ctxRedis, "SELECT %i", db)) {
LM_ERR("Failed to send \"SELECT %i\" (REDIS returned \"%s\", and not in cluster mode).\n", db, rsrv->ctxRedis->errstr);
goto err2;
}
}
return 0;
err2:
if (sock != 0) {
LM_ERR("error communicating with redis server [%.*s]"
" (unix:%s db:%d): %s\n",
rsrv->sname->len, rsrv->sname->s, unix_sock_path, db,
rsrv->ctxRedis->errstr);
} else {
LM_ERR("error communicating with redis server [%.*s] (%s:%d/%d): %s\n",
rsrv->sname->len, rsrv->sname->s, addr, port, db,
rsrv->ctxRedis->errstr);
}
if (init_without_redis==1)
{
LM_WARN("failed to initialize redis connections, but initializing"
" module anyway.\n");
return 0;
}
return -1;
err:
if (sock != 0) {
LM_ERR("failed to connect to redis server [%.*s] (unix:%s db:%d)\n",
rsrv->sname->len, rsrv->sname->s, unix_sock_path, db);
} else {
LM_ERR("failed to connect to redis server [%.*s] (%s:%d/%d)\n",
rsrv->sname->len, rsrv->sname->s, addr, port, db);
}
if (init_without_redis==1)
{
LM_WARN("failed to initialize redis connections, but initializing"
" module anyway.\n");
return 0;
}
return -1;
}
int redisc_init(void)
{
char *addr, *unix_sock_path = NULL;
unsigned int port, db;
redisc_server_t *rsrv=NULL;
param_t *pit = NULL;
struct timeval tv;
tv.tv_sec = 1;
tv.tv_usec = 0;
if(_redisc_srv_list==NULL)
{
LM_ERR("no redis servers defined\n");
return -1;
}
for(rsrv=_redisc_srv_list; rsrv; rsrv=rsrv->next)
{
addr = "127.0.0.1";
port = 6379;
db = 0;
for (pit = rsrv->attrs; pit; pit=pit->next)
{
if(pit->name.len==4 && strncmp(pit->name.s, "unix", 4)==0) {
unix_sock_path = pit->body.s;
unix_sock_path[pit->body.len] = '\0';
} else if(pit->name.len==4 && strncmp(pit->name.s, "addr", 4)==0) {
addr = pit->body.s;
addr[pit->body.len] = '\0';
} else if(pit->name.len==4 && strncmp(pit->name.s, "port", 4)==0) {
if(str2int(&pit->body, &port) < 0)
port = 6379;
} else if(pit->name.len==2 && strncmp(pit->name.s, "db", 2)==0) {
if(str2int(&pit->body, &db) < 0)
db = 0;
}
}
if(unix_sock_path != NULL) {
LM_DBG("Connecting to unix socket: %s\n", unix_sock_path);
rsrv->ctxRedis = redisConnectUnixWithTimeout(unix_sock_path, tv);
} else {
rsrv->ctxRedis = redisConnectWithTimeout(addr, port, tv);
}
if(!rsrv->ctxRedis)
goto err;
if (rsrv->ctxRedis->err)
goto err2;
if (redisCommandNR(rsrv->ctxRedis, "PING"))
goto err2;
if (redisCommandNR(rsrv->ctxRedis, "SELECT %i", db))
goto err2;
}
return 0;
err2:
if (unix_sock_path != NULL) {
LM_ERR("error communicating with redis server [%.*s] (unix:%s db:%d): %s\n",
rsrv->sname->len, rsrv->sname->s, unix_sock_path, db, rsrv->ctxRedis->errstr);
} else {
LM_ERR("error communicating with redis server [%.*s] (%s:%d/%d): %s\n",
rsrv->sname->len, rsrv->sname->s, addr, port, db, rsrv->ctxRedis->errstr);
}
return -1;
err:
if (unix_sock_path != NULL) {
LM_ERR("failed to connect to redis server [%.*s] (unix:%s db:%d)\n",
rsrv->sname->len, rsrv->sname->s, unix_sock_path, db);
} else {
LM_ERR("failed to connect to redis server [%.*s] (%s:%d/%d)\n",
rsrv->sname->len, rsrv->sname->s, addr, port, db);
}
return -1;
}
int redisc_reconnect_server(redisc_server_t *rsrv)
{
char addr[256], pass[256], unix_sock_path[256];
unsigned int port, db, sock = 0, haspass = 0;
param_t *pit = NULL;
struct timeval tv_conn;
struct timeval tv_cmd;
tv_conn.tv_sec = (int) redis_connect_timeout_param / 1000;
tv_conn.tv_usec = (int) (redis_connect_timeout_param % 1000) * 1000;
tv_cmd.tv_sec = (int) redis_cmd_timeout_param / 1000;
tv_cmd.tv_usec = (int) (redis_cmd_timeout_param % 1000) * 1000;
memset(addr, 0, sizeof(addr));
port = 6379;
db = 0;
memset(pass, 0, sizeof(pass));
memset(unix_sock_path, 0, sizeof(unix_sock_path));
for (pit = rsrv->attrs; pit; pit=pit->next)
{
if(pit->name.len==4 && strncmp(pit->name.s, "unix", 4)==0) {
snprintf(unix_sock_path, sizeof(unix_sock_path)-1, "%.*s", pit->body.len, pit->body.s);
sock = 1;
} else if(pit->name.len==4 && strncmp(pit->name.s, "addr", 4)==0) {
snprintf(addr, sizeof(addr)-1, "%.*s", pit->body.len, pit->body.s);
} else if(pit->name.len==4 && strncmp(pit->name.s, "port", 4)==0) {
if(str2int(&pit->body, &port) < 0)
port = 6379;
} else if(pit->name.len==2 && strncmp(pit->name.s, "db", 2)==0) {
if(str2int(&pit->body, &db) < 0)
db = 0;
} else if(pit->name.len==4 && strncmp(pit->name.s, "pass", 4)==0) {
snprintf(pass, sizeof(pass)-1, "%.*s", pit->body.len, pit->body.s);
haspass = 1;
}
}
LM_DBG("rsrv->ctxRedis = %p\n", rsrv->ctxRedis);
if(rsrv->ctxRedis!=NULL) {
redisFree(rsrv->ctxRedis);
rsrv->ctxRedis = NULL;
}
if(sock != 0) {
rsrv->ctxRedis = redisConnectUnixWithTimeout(unix_sock_path, tv_conn);
} else {
rsrv->ctxRedis = redisConnectWithTimeout(addr, port, tv_conn);
}
LM_DBG("rsrv->ctxRedis = %p\n", rsrv->ctxRedis);
if(!rsrv->ctxRedis)
goto err;
if (rsrv->ctxRedis->err)
goto err2;
if ((haspass) && redisc_check_auth(rsrv, pass))
goto err2;
if (redisSetTimeout(rsrv->ctxRedis, tv_cmd))
goto err2;
if (redisCommandNR(rsrv->ctxRedis, "PING"))
goto err2;
if ((redis_cluster_param == 0) && redisCommandNR(rsrv->ctxRedis, "SELECT %i", db))
goto err2;
if (redis_flush_on_reconnect_param)
if (redisCommandNR(rsrv->ctxRedis, "FLUSHALL"))
goto err2;
return 0;
err2:
if (sock != 0) {
LM_ERR("error communicating with redis server [%.*s]"
" (unix:%s db:%d): %s\n",
rsrv->sname->len, rsrv->sname->s, unix_sock_path, db,
rsrv->ctxRedis->errstr);
} else {
LM_ERR("error communicating with redis server [%.*s] (%s:%d/%d): %s\n",
rsrv->sname->len, rsrv->sname->s, addr, port, db,
rsrv->ctxRedis->errstr);
}
err:
if (sock != 0) {
LM_ERR("failed to connect to redis server [%.*s] (unix:%s db:%d)\n",
rsrv->sname->len, rsrv->sname->s, unix_sock_path, db);
} else {
LM_ERR("failed to connect to redis server [%.*s] (%s:%d/%d)\n",
rsrv->sname->len, rsrv->sname->s, addr, port, db);
}
return -1;
}
