From 93a90e6132d4c6cdf06ae3b0d7176c2ee3944967 Mon Sep 17 00:00:00 2001 From: ncteisen Date: Mon, 18 Jun 2018 18:39:56 -0700 Subject: Support codegen generic on server side --- include/grpc/impl/codegen/log.h | 112 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 112 insertions(+) create mode 100644 include/grpc/impl/codegen/log.h (limited to 'include/grpc/impl') diff --git a/include/grpc/impl/codegen/log.h b/include/grpc/impl/codegen/log.h new file mode 100644 index 0000000000..ad7f024158 --- /dev/null +++ b/include/grpc/impl/codegen/log.h @@ -0,0 +1,112 @@ +/* + * + * Copyright 2015 gRPC authors. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + */ + +#ifndef GRPC_IMPL_CODEGEN_LOG_H +#define GRPC_IMPL_CODEGEN_LOG_H + +#include + +#include +#include /* for abort() */ + +#ifdef __cplusplus +extern "C" { +#endif + +/** GPR log API. + + Usage (within grpc): + + int argument1 = 3; + char* argument2 = "hello"; + gpr_log(GPR_DEBUG, "format string %d", argument1); + gpr_log(GPR_INFO, "hello world"); + gpr_log(GPR_ERROR, "%d %s!!", argument1, argument2); */ + +/** The severity of a log message - use the #defines below when calling into + gpr_log to additionally supply file and line data */ +typedef enum gpr_log_severity { + GPR_LOG_SEVERITY_DEBUG, + GPR_LOG_SEVERITY_INFO, + GPR_LOG_SEVERITY_ERROR +} gpr_log_severity; + +#define GPR_LOG_VERBOSITY_UNSET -1 + +/** Returns a string representation of the log severity */ +GPRAPI const char* gpr_log_severity_string(gpr_log_severity severity); + +/** Macros to build log contexts at various severity levels */ +#define GPR_DEBUG __FILE__, __LINE__, GPR_LOG_SEVERITY_DEBUG +#define GPR_INFO __FILE__, __LINE__, GPR_LOG_SEVERITY_INFO +#define GPR_ERROR __FILE__, __LINE__, GPR_LOG_SEVERITY_ERROR + +/** Log a message. It's advised to use GPR_xxx above to generate the context + * for each message */ +GPRAPI void gpr_log(const char* file, int line, gpr_log_severity severity, + const char* format, ...) GPR_PRINT_FORMAT_CHECK(4, 5); + +GPRAPI int gpr_should_log(gpr_log_severity severity); + +GPRAPI void gpr_log_message(const char* file, int line, + gpr_log_severity severity, const char* message); + +/** Set global log verbosity */ +GPRAPI void gpr_set_log_verbosity(gpr_log_severity min_severity_to_print); + +GPRAPI void gpr_log_verbosity_init(void); + +/** Log overrides: applications can use this API to intercept logging calls + and use their own implementations */ + +struct gpr_log_func_args { + const char* file; + int line; + gpr_log_severity severity; + const char* message; +}; + +typedef struct gpr_log_func_args gpr_log_func_args; + +typedef void (*gpr_log_func)(gpr_log_func_args* args); +GPRAPI void gpr_set_log_function(gpr_log_func func); + +/** abort() the process if x is zero, having written a line to the log. + + Intended for internal invariants. If the error can be recovered from, + without the possibility of corruption, or might best be reflected via + an exception in a higher-level language, consider returning error code. */ +#define GPR_ASSERT(x) \ + do { \ + if (GPR_UNLIKELY(!(x))) { \ + gpr_log(GPR_ERROR, "assertion failed: %s", #x); \ + abort(); \ + } \ + } while (0) + +#ifndef NDEBUG +#define GPR_DEBUG_ASSERT(x) GPR_ASSERT(x) +#else +#define GPR_DEBUG_ASSERT(x) +#endif + +#ifdef __cplusplus +} +#endif + +#endif /* GRPC_IMPL_CODEGEN_LOG_H */ -- cgit v1.2.3