From ca9afc30564e45e46eeebbc2f18f48bb2f5b6c5d Mon Sep 17 00:00:00 2001
From: Anish Aggarwal <anish17122000@gmail.com>
Date: Sun, 23 May 2021 00:59:58 +0530
Subject: [PATCH] initial code for error handling

Signed-off-by: Anish Aggarwal <anish17122000@gmail.com>
---
 Makefile                   |  2 +-
 include/tikv_client_glue.h | 23 +++++++++++++++++++++++
 2 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 1494c1a..4c868e0 100644
--- a/Makefile
+++ b/Makefile
@@ -21,7 +21,7 @@ run-example: target/tikv-example
 	RUST_LOG=debug $(cur_makefile_path)/target/tikv-example
 
 target/tikv-example: target/debug/libtikv_client.a example/main.cpp
-	c++ $(cur_makefile_path)/example/main.cpp -o $(cur_makefile_path)/target/tikv-example -std=c++17 -g -I$(cur_makefile_path)/include -L$(cur_makefile_path)/target/debug -ltikv_client -lpthread -ldl -lssl -lcrypto
+	c++ $(cur_makefile_path)/example/main.cpp -o $(cur_makefile_path)/target/tikv-example -std=c++17 -g -I$(cur_makefile_path)/include -L$(cur_makefile_path)/target/debug -ltikv_client -lpthread -ldl -L/usr/local/opt/openssl/lib -I/usr/local/opt/openssl/include -lssl -lcrypto
 
 
 target/tikv_client_glue.cc: src/lib.rs
diff --git a/include/tikv_client_glue.h b/include/tikv_client_glue.h
index ca28e73..a121ae6 100644
--- a/include/tikv_client_glue.h
+++ b/include/tikv_client_glue.h
@@ -182,6 +182,29 @@ template <typename T>
 Box<T>::Box(uninit) noexcept {}
 #endif // CXXBRIDGE1_RUST_BOX
 
+class Exception : public std::exception {
+public: 
+    Exception(int errorCode, const std::string &message) : errorCode(erroCode), message(message);
+    virtual ~Exception() = default;
+    const char* what() const {
+    	return this->message.c_str();
+    };
+
+private:
+    int errorCode;
+    std::string m_message;
+};
+
+template <typename Try>
+static void trycatch(Try &&func) noexcept try {
+  func();
+} catch (const std::exception &e) {
+  start error_message = e.what();
+  int error_code = 0;
+
+  throw Exception(error_code, error_message);
+}
+
 #ifndef CXXBRIDGE1_RUST_BITCOPY
 #define CXXBRIDGE1_RUST_BITCOPY
 struct unsafe_bitcopy_t final {