From e875d2128eaac4abe007cc333939e2f3d60edc7d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=9B=D0=B5=D0=BE=D0=BD=D0=B8=D0=B4=20=D0=AE=D1=80=D1=8C?=
 =?UTF-8?q?=D0=B5=D0=B2=20=28Leonid=20Yuriev=29?= <leo@yuriev.ru>
Date: Thu, 21 Apr 2022 19:42:57 +0300
Subject: [PATCH] mdbx-test: add `--loglevel=` option.

---
 test/config.cc | 65 +++++++++++++++++++++++++++++++++++++++++++++++++-
 test/config.h  |  2 ++
 test/main.cc   |  8 +++++++
 3 files changed, 74 insertions(+), 1 deletion(-)

diff --git a/test/config.cc b/test/config.cc
index 9db481fd..61b299b4 100644
--- a/test/config.cc
+++ b/test/config.cc
@@ -106,7 +106,7 @@ bool parse_option<unsigned>(int argc, char *const argv[], int &narg,
 
     while (true) {
       if (!scan->verb)
-        failure("Unknown verb '%.*s', for option '==%s'\n", (int)len, list,
+        failure("Unknown verb '%.*s', for option '--%s'\n", (int)len, list,
                 option);
       if (strlen(scan->verb) == len && strncmp(list, scan->verb, len) == 0) {
         mask = strikethrough ? mask & ~scan->mask : mask | scan->mask;
@@ -257,6 +257,69 @@ bool parse_option(int argc, char *const argv[], int &narg, const char *option,
   return false;
 }
 
+bool parse_option(int argc, char *const argv[], int &narg, const char *option,
+                  logging::loglevel &loglevel) {
+  const char *value_cstr;
+  if (!parse_option(argc, argv, narg, option, &value_cstr))
+    return false;
+
+  if (strcmp(value_cstr, "min") == 0 || strcmp(value_cstr, "minimal") == 0 ||
+      strcmp(value_cstr, "fatal") == 0) {
+    loglevel = logging::failure;
+    return true;
+  }
+
+  if (strcmp(value_cstr, "error") == 0 || strcmp(value_cstr, "err") == 0) {
+    loglevel = logging::error;
+    return true;
+  }
+
+  if (strcmp(value_cstr, "warning") == 0 || strcmp(value_cstr, "warn") == 0) {
+    loglevel = logging::error;
+    return true;
+  }
+
+  if (strcmp(value_cstr, "default") == 0 || strcmp(value_cstr, "notice") == 0) {
+    loglevel = logging::notice;
+    return true;
+  }
+
+  if (strcmp(value_cstr, "verbose") == 0) {
+    loglevel = logging::verbose;
+    return true;
+  }
+
+  if (strcmp(value_cstr, "debug") == 0) {
+    loglevel = logging::debug;
+    return true;
+  }
+
+  if (strcmp(value_cstr, "trace") == 0) {
+    loglevel = logging::trace;
+    return true;
+  }
+
+  if (strcmp(value_cstr, "max") == 0 || strcmp(value_cstr, "maximal") == 0 ||
+      strcmp(value_cstr, "extra") == 0) {
+    loglevel = logging::extra;
+    return true;
+  }
+
+  char *suffix = nullptr;
+  unsigned long long raw = strtoull(value_cstr, &suffix, 0);
+  if ((suffix && *suffix) || errno) {
+    suffix = nullptr;
+    errno = 0;
+    raw = strtoull(value_cstr, &suffix, 10);
+  }
+  if ((!suffix || !*suffix) && !errno && raw < 8) {
+    loglevel = static_cast<logging::loglevel>(raw);
+    return true;
+  }
+
+  failure("Unknown log-level '%s', for option '--%s'\n", value_cstr, option);
+}
+
 bool parse_option(int argc, char *const argv[], int &narg, const char *option,
                   bool &value) {
   const char *value_cstr = nullptr;
diff --git a/test/config.h b/test/config.h
index 27286426..8c93981e 100644
--- a/test/config.h
+++ b/test/config.h
@@ -133,6 +133,8 @@ inline bool parse_option_intptr(int argc, char *const argv[], int &narg,
                         int32_t(maxval), int32_t(default_value));
 }
 
+bool parse_option(int argc, char *const argv[], int &narg, const char *option,
+                  logging::loglevel &);
 //-----------------------------------------------------------------------------
 
 struct keygen_params_pod {
diff --git a/test/main.cc b/test/main.cc
index c201c20e..b4b8022b 100644
--- a/test/main.cc
+++ b/test/main.cc
@@ -24,6 +24,7 @@ MDBX_NORETURN void usage(void) {
       "usage:\n"
       "  --help or -h              Show this text\n"
       "Common parameters:\n"
+      "  --loglevel=[0-7]|[extra..fatal]"
       "  --pathname=...            Path and/or name of database files\n"
       "  --repeat=N                Set repeat counter\n"
       "  --threads=N               Number of thread (unsupported for now)\n"
@@ -319,6 +320,13 @@ int main(int argc, char *const argv[]) {
                              config::duration, 1))
       continue;
 
+    logging::loglevel loglevel;
+    if (config::parse_option(argc, argv, narg, "loglevel", loglevel)) {
+      logging::setup(loglevel, "main");
+      params.loglevel = static_cast<uint8_t>(loglevel);
+      continue;
+    }
+
     const char *value = nullptr;
     if (config::parse_option(argc, argv, narg, "case", &value)) {
       fixup4qemu(params);