commit 81f36ecf3484b7eaf13782a1f833625c0071f127
author yizhe.wcm <42297186+WoodsCumming@users.noreply.github.com> Tue Mar 24 19:45:21 2020 +0800
committer GitHub <noreply@github.com> Tue Mar 24 19:45:21 2020 +0800
tree 56083503b198f7c4d688a2737372b362fffe06a8
parent b29bf5b69eab187a813a4d7f59534a6375e32d25

Use OpenSSL to add support for SSL communication with the server. Script add debug mode support. (#273)

* Modification item:
（1）Add OpenSSL and debug options to the ‘build.sh’ script.
（2）Add the ‘ENABLE_OPENSSL’ macro to cmakelist.txt.
（3）Link the ‘libevent_openssl.a’ static library to support OpenSSL.

* Modification item:
（1）Link static libraries on demand.
（2）Add OpenSSL support and use the macro ‘ENABLE_OPENSSL’ to control OpenSSL compilation blocks.
（3）Inline member defaults. The default value of the inline member is intuitive and error free, and the redundant structure list can be removed, which is also recommended.
（4）Add ignore for vscode configuration in .gitignore.

* Add debugging information in debug mode.

* Modification item:
（1）Add C compiler debugging options.
（2）Remove the compiler debugging option from the child test cmake, which will result in inconsistent behavior between the upper and lower cmakes.
（3）Move the SSL initialization context into the constructor so that it is constructed only once and the memory leak in the last commit code is fixed.
（4）SSL handle is managed to bufferevent without memory management. Forced release will result in double-free.

* Modification item:
（1）Extract SSL context initialization into a function.
（2）Customize std::unique_ptr to manage SSL content and strengthen memory leak management.
（3）Add the default certificate configuration path.
（4）Add environment variables to dynamically modify the certificate configuration path.
（5）Enhance friendly output prompt.
（6）The communication function with the server is verified by self signed certificate.
（7）Asan and lsan tests have been passed.

* Modification item:
（1）Add OpenSSL library and compile script.
（2）Remove the system dynamic library connection, and use the project OpenSSL static library link instead.
（3）Fix some errors in CMakeList.txt.

* Modification item:
    （1）Add OpenSSL library and compile script.
    （2）Remove the system dynamic library connection, and use the project OpenSSL static library link instead.
    （3）Fix some errors in CMakeList.txt.

* Modification item:
（1）Remove the OpenSSL option that controls whether or not it is required.
（2）Remove the ENABLE_OPENSSL macro. OpenSSL is supported by default.
（3）Add API to control whether OpenSSL support is enabled.
（4）Add the ReadProperties utility function.
（5）Add certificate related configuration in the properties configuration file.
（6）Add friendly output prompts.

* By mistake, I wrote a letter ‘t’ short.

* Modification item:
（1）Format the code with the 'format.sh' script.
（2）SSL is turned off by default.

* change openssl static library install path.

* using built-in openssl to compile libevent.

* Modification item:
（1）Moving/Returning temporary object prevents copy elision, which may cause RVO and NRVO are invalid technologies.
（2）Libevent only verifies whether the OpenSSL dynamic library has 'SSL_new' function as the basis for the existence of OpenSSL.
（3）Add a dependent static library to MRI.

* remove comments for code format.

* Fix the missing packing problem of static library packing script under Mac OS. For example, there is buffer. o in libcrypto. a, and buffer. o in libevent_core. a, but the symbols of the two are complementary. The method of using 'ar x'  and 'ar cru' will result in the loss of symbol in one of the above two buffer. o.

* chors(style): format code style for eventloop.