Move absl::Set[Global]VLogLevel() to //absl/log/globals.h

For consistency, all global logging configurations lives in
//absl/log/globals.h

PiperOrigin-RevId: 598194040
Change-Id: I815b7d07f8fe06c70cef83bdf825c2f7ca504a2b

Author: derekmauro

absl/log/BUILD.bazel

@@ -119,6 +119,7 @@ cc_library(
         "//absl/base:log_severity",
         "//absl/base:raw_logging_internal",
         "//absl/hash",
+        "//absl/log/internal:vlog_config",
         "//absl/strings",
     ],
 )
@@ -277,6 +278,7 @@ cc_test(
     linkopts = ABSL_DEFAULT_LINKOPTS,
     deps = [
         ":flags",
+        ":globals",
         ":log",
         ":scoped_mock_log",
         ":vlog_is_on",

absl/log/CMakeLists.txt

@@ -505,6 +505,7 @@ absl_cc_library(
     absl::log_severity
     absl::raw_logging_internal
     absl::strings
+    absl::vlog_config_internal
 )
 
 absl_cc_library(
@@ -737,8 +738,9 @@ absl_cc_test(
   LINKOPTS
     ${ABSL_DEFAULT_LINKOPTS}
   DEPS
-    absl::log_flags
     absl::log
+    absl::log_flags
+    absl::log_globals
     absl::scoped_mock_log
     absl::vlog_is_on
     absl::log_severity

absl/log/absl_vlog_is_on.h

@@ -90,26 +90,4 @@
    }()                                                                     \
        ->IsEnabled(verbose_level))
 
-namespace absl {
-ABSL_NAMESPACE_BEGIN
-
-// Sets the global `(ABSL_)VLOG(_IS_ON)` level to `log_level`.  This level is
-// applied to any sites whose filename doesn't match any `module_pattern`.
-// Returns the prior value.
-inline int SetGlobalVLogLevel(int log_level) {
-  return absl::log_internal::UpdateGlobalVLogLevel(log_level);
-}
-
-// Sets `(ABSL_)VLOG(_IS_ON)` level for `module_pattern` to `log_level`.
-// This lets us dynamically control what is normally set by the --vmodule flag.
-// Returns the level that previously applied to module_pattern.
-// Calling this with `log_level` of kUseFlag will have all sites for that
-// pattern use the value of --v.
-inline int SetVLogLevel(absl::string_view module_pattern, int log_level) {
-  return absl::log_internal::PrependVModule(module_pattern, log_level);
-}
-
-ABSL_NAMESPACE_END
-}  // namespace absl
-
 #endif  // ABSL_LOG_ABSL_VLOG_IS_ON_H_

absl/log/globals.h

@@ -24,6 +24,7 @@
 #include "absl/base/attributes.h"
 #include "absl/base/config.h"
 #include "absl/base/log_severity.h"
+#include "absl/log/internal/vlog_config.h"
 #include "absl/strings/string_view.h"
 
 namespace absl {
@@ -152,6 +153,28 @@ ABSL_MUST_USE_RESULT bool ShouldPrependLogPrefix();
 // This function is async-signal-safe.
 void EnableLogPrefix(bool on_off);
 
+//------------------------------------------------------------------------------
+// Set Global VLOG Level
+//------------------------------------------------------------------------------
+//
+// Sets the global `(ABSL_)VLOG(_IS_ON)` level to `log_level`.  This level is
+// applied to any sites whose filename doesn't match any `module_pattern`.
+// Returns the prior value.
+inline int SetGlobalVLogLevel(int log_level) {
+  return absl::log_internal::UpdateGlobalVLogLevel(log_level);
+}
+
+//------------------------------------------------------------------------------
+// Set VLOG Level
+//------------------------------------------------------------------------------
+//
+// Sets `(ABSL_)VLOG(_IS_ON)` level for `module_pattern` to `log_level`.  This
+// allows programmatic control of what is normally set by the --vmodule flag.
+// Returns the level that previously applied to `module_pattern`.
+inline int SetVLogLevel(absl::string_view module_pattern, int log_level) {
+  return absl::log_internal::PrependVModule(module_pattern, log_level);
+}
+
 //------------------------------------------------------------------------------
 // Configure Android Native Log Tag
 //------------------------------------------------------------------------------

absl/log/globals_test.cc

@@ -88,6 +88,20 @@ TEST(TestGlobals, LogPrefix) {
   EXPECT_TRUE(absl::ShouldPrependLogPrefix());
 }
 
+TEST(TestGlobals, SetGlobalVLogLevel) {
+  EXPECT_EQ(absl::SetGlobalVLogLevel(42), 0);
+  EXPECT_EQ(absl::SetGlobalVLogLevel(1337), 42);
+  // Restore the value since it affects the default unset module value for
+  // `SetVLogLevel()`.
+  EXPECT_EQ(absl::SetGlobalVLogLevel(0), 1337);
+}
+
+TEST(TestGlobals, SetVLogLevel) {
+  EXPECT_EQ(absl::SetVLogLevel("setvloglevel", 42), 0);
+  EXPECT_EQ(absl::SetVLogLevel("setvloglevel", 1337), 42);
+  EXPECT_EQ(absl::SetVLogLevel("othersetvloglevel", 50), 0);
+}
+
 TEST(TestGlobals, AndroidLogTag) {
   // Verify invalid tags result in a check failure.
   EXPECT_DEATH_IF_SUPPORTED(absl::SetAndroidNativeTag(nullptr), ".*");

absl/log/vlog_is_on_test.cc

@@ -19,6 +19,7 @@
 #include "absl/base/log_severity.h"
 #include "absl/flags/flag.h"
 #include "absl/log/flags.h"
+#include "absl/log/globals.h"
 #include "absl/log/log.h"
 #include "absl/log/scoped_mock_log.h"
 #include "absl/types/optional.h"