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update fqdn cache

This commit is contained in:
yihaoDeng 2024-11-06 15:46:21 +08:00
parent 6ff8de1d22
commit aa8bc83791
1 changed files with 5 additions and 2 deletions
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7
source/libs/transport/src/transCli.c
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@ -1608,6 +1608,8 @@ static int32_t cliDoConn(SCliThrd* pThrd, SCliConn* conn) {
ret = uv_tcp_connect(&conn->connReq, (uv_tcp_t*)(conn->stream), (const struct sockaddr*)&addr, cliConnCb); ret = uv_tcp_connect(&conn->connReq, (uv_tcp_t*)(conn->stream), (const struct sockaddr*)&addr, cliConnCb);
if (ret != 0) { if (ret != 0) {
tError("failed connect to %s since %s", conn->dstAddr, uv_err_name(ret)); tError("failed connect to %s since %s", conn->dstAddr, uv_err_name(ret));
if (ret == )
cliMayUpdateFqdnCache(pThrd->fqdn2ipCache, conn->dstAddr);
TAOS_CHECK_GOTO(TSDB_CODE_THIRDPARTY_ERROR, &lino, _exception1); TAOS_CHECK_GOTO(TSDB_CODE_THIRDPARTY_ERROR, &lino, _exception1);
} }
@ -1699,6 +1701,7 @@ void cliConnCb(uv_connect_t* req, int status) {
if (status != 0) { if (status != 0) {
tDebug("%s conn %p failed to connect to %s since %s", CONN_GET_INST_LABEL(pConn), pConn, pConn->dstAddr, tDebug("%s conn %p failed to connect to %s since %s", CONN_GET_INST_LABEL(pConn), pConn, pConn->dstAddr,
uv_strerror(status)); uv_strerror(status));
cliMayUpdateFqdnCache(pThrd->fqdn2ipCache, pConn->dstAddr);
TAOS_UNUSED(transUnrefCliHandle(pConn)); TAOS_UNUSED(transUnrefCliHandle(pConn));
return; return;
} }
@ -1850,7 +1853,7 @@ static FORCE_INLINE int32_t cliUpdateFqdnCache(SHashObj* cache, char* fqdn) {
size_t len = strlen(fqdn); size_t len = strlen(fqdn);
uint32_t* v = taosHashGet(cache, fqdn, len); uint32_t* v = taosHashGet(cache, fqdn, len);
if (addr != *v) { if (addr != *v) {
char old[TD_IP_LEN] = {0}, new[TD_IP_LEN] = {0}; char old[TSDB_FQDN_LEN] = {0}, new[TSDB_FQDN_LEN] = {0};
tinet_ntoa(old, *v); tinet_ntoa(old, *v);
tinet_ntoa(new, addr); tinet_ntoa(new, addr);
tWarn("update ip of fqdn:%s, old: %s, new: %s", fqdn, old, new); tWarn("update ip of fqdn:%s, old: %s, new: %s", fqdn, old, new);
@ -1870,7 +1873,7 @@ static void cliMayUpdateFqdnCache(SHashObj* cache, char* dst) {
if (dst[i] == ':') break; if (dst[i] == ':') break;
} }
if (i > 0) { if (i > 0) {
char fqdn[TSDB_FQDN_LEN + 1] = {0}; char fqdn[TSDB_FQDN_LEN] = {0};
memcpy(fqdn, dst, i); memcpy(fqdn, dst, i);
TAOS_UNUSED(cliUpdateFqdnCache(cache, fqdn)); TAOS_UNUSED(cliUpdateFqdnCache(cache, fqdn));
} }