Initial skeleton to make extension support CRT FFI API (#11)

* Fixed build issues with static CRT, separated ffi target

* Fixed makefile for test-ffi target

Makefile.frag

@@ -32,28 +32,43 @@ CMAKE_BUILD = $(CMAKE) --build
 CMAKE_BUILD_TYPE ?= RelWithDebInfo
 CMAKE_TARGET = --config $(CMAKE_BUILD_TYPE) --target install
 
-# cmake configure depends on libcrypto above
-$(BUILD_DIR)/aws-crt-ffi/CMakeCache.txt: $(INT_DIR)/lib/libcrypto.a
-	$(CMAKE_CONFIGURE) -Hcrt/aws-crt-ffi -Bbuild/aws-crt-ffi
+# configure for shared aws-crt-ffi.so
+$(BUILD_DIR)/aws-crt-ffi-shared/CMakeCache.txt: $(INT_DIR)/lib/libcrypto.a
+	$(CMAKE_CONFIGURE) -Hcrt/aws-crt-ffi -Bbuild/aws-crt-ffi-shared -DBUILD_SHARED_LIBS=ON
 
-# build the FFI library
-$(BUILD_DIR)/aws-crt-ffi/libaws-crt-ffi.so: $(BUILD_DIR)/aws-crt-ffi/CMakeCache.txt
-	$(CMAKE_BUILD) build/aws-crt-ffi $(CMAKE_TARGET)
+# build shared libaws-crt-ffi.so
+$(BUILD_DIR)/aws-crt-ffi-shared/libaws-crt-ffi.so: $(BUILD_DIR)/aws-crt-ffi-shared/CMakeCache.txt
+	$(CMAKE_BUILD) build/aws-crt-ffi-shared $(CMAKE_TARGET)
 
-# copy the lib into the src folder
-$(INSTALL_DIR)/src/libaws-crt-ffi.so: $(BUILD_DIR)/aws-crt-ffi/libaws-crt-ffi.so $(INSTALL_DIR)/src/api.h
-	cp -v $(BUILD_DIR)/aws-crt-ffi/libaws-crt-ffi.so $(INSTALL_DIR)/src/libaws-crt-ffi.so
+# configure for static aws-crt-ffi.a
+$(BUILD_DIR)/aws-crt-ffi-static/CMakeCache.txt: $(INT_DIR)/lib/libcrypto.a
+	$(CMAKE_CONFIGURE) -Hcrt/aws-crt-ffi -Bbuild/aws-crt-ffi-static -DBUILD_SHARED_LIBS=OFF
 
-# install api.h from FFI lib
+# build static libaws-crt-ffi.a
+$(BUILD_DIR)/aws-crt-ffi-static/libaws-crt-ffi.a: $(BUILD_DIR)/aws-crt-ffi-static/CMakeCache.txt
+	$(CMAKE_BUILD) build/aws-crt-ffi-static $(CMAKE_TARGET)
+
+# PHP extension target
+extension: ext/crt.lo
+
+# Force the crt object target to depend on the CRT static library
+ext/crt.lo: $(BUILD_DIR)/aws-crt-ffi-static/libaws-crt-ffi.a ext/api.h
+
+# transform/install api.h from FFI lib
 $(INSTALL_DIR)/src/api.h: crt/aws-crt-ffi/src/api.h
 	cat crt/aws-crt-ffi/src/api.h | grep -v AWS_EXTERN_C | sed -e 's/AWS_CRT_API //' | grep -ve '^#' > $(INSTALL_DIR)/src/api.h
 
-# copy the FFI lib from src to ext for the extension to use
-$(INSTALL_DIR)/ext/libaws-crt-ffi.so: $(INSTALL_DIR)/src/libaws-crt-ffi.so
-	cp -v $(INSTALL_DIR)/src/libaws-crt-ffi.so $(INSTALL_DIR)/ext/libaws-crt-ffi.so
+# install api.h to ext/ as well
+ext/api.h : $(INSTALL_DIR)/src/api.h
+	cp -v $(INSTALL_DIR)/src/api.h ext/api.h
 
-# Force the crt object target to depend on the FFI library
-ext/crt.lo: $(INSTALL_DIR)/ext/libaws-crt-ffi.so
+# FFI target
+ffi: src/libaws-crt-ffi.so
+	TEST_FFI = 1
+
+# copy the lib into the src folder
+src/libaws-crt-ffi.so: $(BUILD_DIR)/aws-crt-ffi-shared/libaws-crt-ffi.so $(INSTALL_DIR)/src/api.h
+	cp -v $(BUILD_DIR)/aws-crt-ffi-shared/libaws-crt-ffi.so $(INSTALL_DIR)/src/libaws-crt-ffi.so
 
 ifeq ($(TEST_FFI),1)
 test-ci: test-ffi
@@ -62,6 +77,6 @@ test-ci: test
 endif
 
 # Test the FFI interface
-test-ffi: $(INSTALL_DIR)/src/libaws-crt-ffi.so
+test-ffi: src/libaws-crt-ffi.so
 	composer update
 	composer run test

config.m4

@@ -8,8 +8,8 @@ PHP_ARG_WITH(awscrt)
 if test "$PHP_AWSCRT" != "no"; then
     # force lib paths to be absolute, or PHP will mangle them
     cwd=`pwd`
-    CRT_LIBPATHS="-L${cwd}/build/install/lib64 -L${cwd}/build/install/lib"
-    CRT_LIBS="-laws-c-auth -laws-c-http -laws-c-cal -laws-c-io -laws-c-compression -laws-c-common -ls2n -l:libcrypto.a"
+    CRT_LIBPATHS="-L${cwd}/build/install/lib"
+    CRT_LIBS="-laws-crt-ffi -laws-c-auth -laws-c-http -laws-c-cal -laws-c-io -laws-c-compression -laws-c-common -ls2n -l:libcrypto.a"
     PHP_ADD_INCLUDE(${cwd}/build/install/include)
     PHP_EVAL_LIBLINE([$CRT_LIBPATHS $CRT_LIBS], AWSCRT_SHARED_LIBADD)
 

ext/crt.c

@@ -6,6 +6,8 @@
 
 #include "php_aws_crt.h"
 
+#include "api.h"
+
 ZEND_DECLARE_MODULE_GLOBALS(awscrt);
 
 PHP_INI_BEGIN()
@@ -21,12 +23,14 @@ PHP_INI_END()
 
 static PHP_MINIT_FUNCTION(awscrt) {
     REGISTER_INI_ENTRIES();
+
+    aws_crt_init();
     return SUCCESS;
 }
 
 static PHP_MSHUTDOWN_FUNCTION(awscrt) {
     UNREGISTER_INI_ENTRIES();
-
+    aws_crt_clean_up();
     return SUCCESS;
 }
 
@@ -37,6 +41,7 @@ static PHP_GINIT_FUNCTION(awscrt) {
     awscrt_globals->log_level = 0;
 }
 
+/* awscrt_version */
 ZEND_BEGIN_ARG_INFO(awscrt_version_arginfo, 0)
 ZEND_END_ARG_INFO()
 
@@ -44,9 +49,19 @@ PHP_FUNCTION(awscrt_version) {
     static const char *version = "1.0.0-dev";
     AWS_RETURN_STRING(version);
 }
+
+/* aws_crt_last_error() */
+ZEND_BEGIN_ARG_INFO(aws_crt_last_error_arginfo, 0)
+ZEND_END_ARG_INFO()
+
+PHP_FUNCTION(aws_crt_last_error) {
+    RETURN_LONG(aws_crt_last_error());
+}
+
 /* clang-format off */
 const zend_function_entry awscrt_functions[] = {
     PHP_FE(awscrt_version, awscrt_version_arginfo)
+    PHP_FE(aws_crt_last_error, aws_crt_last_error_arginfo)
     PHP_FE_END
 };
 

tests/awscrt_001.phpt

@@ -0,0 +1,14 @@
+--TEST--
+aws_crt_last_error
+--SKIPIF--
+<?php
+require_once(dirname(__FILE__) . '/skipif.inc');
+?>
+--FILE--
+<?php
+require_once(dirname(__FILE__) . '/common.inc');
+
+echo aws_crt_last_error();
+?>
+--EXPECT--
+0