enh: support get origin string of taos errors

include/util/taoserror.h

@@ -24,6 +24,12 @@ extern "C" {
 
 // clang-format off
 
+typedef struct {
+  int32_t     val;
+  const char* str;
+  const char* origin;
+} STaosError;
+
 #define TAOS_DEF_ERROR_CODE(mod, code) ((int32_t)((0x80000000 | ((mod)<<16) | (code))))
 
 #define TAOS_SYSTEM_ERROR(code)             (0x80ff0000 | (code))
@@ -38,6 +44,7 @@ const char* terrstr();
 char*    taosGetErrMsgReturn();
 char*    taosGetErrMsg();
 int32_t* taosGetErrno();
+int32_t  taosGetErrSize();
 #define terrno                              (*taosGetErrno())
 #define terrMsg                             (taosGetErrMsg())
 

source/util/src/terror.c

@@ -21,10 +21,10 @@
 
 #define TAOS_ERROR_C
 
-typedef struct {
-  int32_t     val;
-  const char* str;
-} STaosError;
+// typedef struct {
+//   int32_t     val;
+//   const char* str;
+// } STaosError;
 
 static threadlocal int32_t tsErrno;
 static threadlocal char tsErrMsgDetail[ERR_MSG_LEN] = {0};
@@ -35,7 +35,9 @@ char*    taosGetErrMsg() { return tsErrMsgDetail; }
 char*    taosGetErrMsgReturn() { return tsErrMsgReturn; }
 
 #ifdef TAOS_ERROR_C
-#define TAOS_DEFINE_ERROR(name, msg) {.val = (name), .str = (msg)},
+#define TAOS_DEFINE_ERROR(name, msg) {.val = (name), .str = (msg), .origin = #name},
+STaosError errors[] = {
+    TAOS_DEFINE_ERROR(TSDB_CODE_SUCCESS,          "success")
 #else
 #define TAOS_DEFINE_ERROR(name, mod, code, msg) static const int32_t name = TAOS_DEF_ERROR_CODE(mod, code);
 #endif
@@ -44,11 +46,6 @@ char*    taosGetErrMsgReturn() { return tsErrMsgReturn; }
 #define TAOS_SUCCEEDED(err)     ((err) >= 0)
 #define TAOS_FAILED(err)        ((err) < 0)
 
-#ifdef TAOS_ERROR_C
-STaosError errors[] = {
-    {.val = 0, .str = "success"},
-#endif
-
 // rpc
 TAOS_DEFINE_ERROR(TSDB_CODE_RPC_NETWORK_UNAVAIL,          "Unable to establish connection")
 TAOS_DEFINE_ERROR(TSDB_CODE_RPC_FQDN_ERROR,               "Unable to resolve FQDN")
@@ -784,7 +781,7 @@ TAOS_DEFINE_ERROR(TSDB_CODE_TDLITE_IVLD_OPEN_DIR,           "Invalid TDLite open
 
 TAOS_DEFINE_ERROR(TSDB_CODE_UTIL_QUEUE_OUT_OF_MEMORY,       "Queue out of memory")
 
-#ifdef TAOS_ERROR_C
+#if defined(TAOS_ERROR_INFO) || defined(TAOS_ERROR_C)
 };
 #endif
 
@@ -837,3 +834,5 @@ const char* tstrerror(int32_t err) {
 }
 
 const char* terrstr() { return tstrerror(terrno); }
+
+int32_t  taosGetErrSize() { return sizeof(errors)/sizeof(errors[0]); }

source/util/test/CMakeLists.txt

@@ -123,4 +123,12 @@ add_test(
 #add_test(
 #    NAME decompressTest 
 #    COMMAND decompressTest
-#)
+#)
+
+# terrorTest
+add_executable(terrorTest "terrorTest.cpp")
+target_link_libraries(terrorTest os util common gtest_main)
+add_test(
+    NAME terrorTest
+    COMMAND terrorTest
+)

source/util/test/terrorTest.cpp

@@ -0,0 +1,29 @@
+#include <gtest/gtest.h>
+#include <cassert>
+
+#define TAOS_ERROR_INFO
+
+#include <iostream>
+#include "os.h"
+#include "osTime.h"
+#include "taos.h"
+#include "taoserror.h"
+#include "tglobal.h"
+
+extern STaosError errors[];
+
+using namespace std;
+
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wwrite-strings"
+#pragma GCC diagnostic ignored "-Wunused-function"
+#pragma GCC diagnostic ignored "-Wunused-variable"
+#pragma GCC diagnostic ignored "-Wsign-compare"
+
+TEST(TAOS_ERROR_TEST, terror_test) {
+  int32_t errSize = taosGetErrSize();
+  for (int32_t i = 0; i < errSize; ++i) {
+    STaosError *pInfo = &errors[i];
+    std::cout << i + 1 << " " << pInfo->origin << " " << pInfo->val << std::endl;
+  }
+}