add utest framework gtest

@@ -27,6 +27,9 @@ tools/ccache-3.1.9.zip
     
 1.st.arm.Makefile.patch
     st编译脚本补丁，允许用户指定cc编译器。
+    
+gtest-1.6.0.zip
+    google单元测试框架。
 
 links:
     ffmpeg: 
@@ -53,4 +56,7 @@ links:
     openssl:
         http://www.openssl.org/
         http://www.openssl.org/source/openssl-1.0.1f.tar.gz
+    gtest:
+        https://code.google.com/p/googletest
+        https://code.google.com/p/googletest/downloads/list
 

@@ -405,3 +405,16 @@ if [ $SRS_RESEARCH = YES ]; then
     (cd research/ffempty && make && mv ffempty ../../${SRS_OBJS}/research)
     ret=$?; if [[ $ret -ne 0 ]]; then echo "build research/ffempty failed, ret=$ret"; exit $ret; fi
 fi
+
+#####################################################################################
+# build utest code
+#####################################################################################
+if [ $SRS_UTEST = YES ]; then
+    mkdir -p ${SRS_OBJS}/utest
+
+    (cd research/hls && make && mv ts_info ../../${SRS_OBJS}/research)
+    ret=$?; if [[ $ret -ne 0 ]]; then echo "build research/hls failed, ret=$ret"; exit $ret; fi
+
+    (cd research/ffempty && make && mv ffempty ../../${SRS_OBJS}/research)
+    ret=$?; if [[ $ret -ne 0 ]]; then echo "build research/ffempty failed, ret=$ret"; exit $ret; fi
+fi

@@ -16,6 +16,7 @@ SRS_SSL=RESERVED
 SRS_FFMPEG=RESERVED
 SRS_HTTP=RESERVED
 SRS_RESEARCH=RESERVED
+SRS_UTEST=RESERVED
 
 # TODO: remove the default to yes.
 SRS_HLS=YES
@@ -23,6 +24,7 @@ SRS_SSL=YES
 SRS_FFMPEG=YES
 SRS_HTTP=YES
 SRS_RESEARCH=NO
+SRS_UTEST=NO
 
 #####################################################################################
 # parse options
@@ -45,13 +47,15 @@ do
         --with-hls)                     SRS_HLS=YES               ;;
         --with-ffmpeg)                  SRS_FFMPEG=YES            ;;
         --with-http)                    SRS_HTTP=YES              ;;
-        --with-research)                SRS_RESEARCH=YES              ;;
+        --with-research)                SRS_RESEARCH=YES          ;;
+        --with-utest)                   SRS_UTEST=YES             ;;
         
         --without-ssl)                  SRS_SSL=NO                ;;
         --without-hls)                  SRS_HLS=NO                ;;
         --without-ffmpeg)               SRS_FFMPEG=NO             ;;
         --without-http)                 SRS_HTTP=NO               ;;
-        --without-research)             SRS_RESEARCH=NO               ;;
+        --without-research)             SRS_RESEARCH=NO           ;;
+        --without-utest)                SRS_UTEST=NO              ;;
 
         *)
             echo "$0: error: invalid option \"$option\""
@@ -78,12 +82,14 @@ if [ $help = yes ]; then
                            srs will call the http hooks, such as: on_connect.
   --with-ffmpeg            enable transcoding with ffmpeg.
   --with-research          build the research tools.
+  --with-utest             build the utest for srs.
 
   --without-ssl            disable rtmp complex handshake.
   --without-hls            disable hls, rtmp streaming only.
   --without-http           disable http, http hooks callback.
   --without-ffmpeg         disable the ffmpeg transcoding feature.
   --without-research       do not build the research tools.
+  --without-utest          do not build the utest for srs.
 
 END
     exit 0
@@ -113,6 +119,10 @@ if [ $SRS_RESEARCH = RESERVED ]; then
     echo "you must specifies the research, see: ./configure --help";
     __check_ok=NO
 fi
+if [ $SRS_UTEST = RESERVED ]; then
+    echo "you must specifies the utest, see: ./configure --help";
+    __check_ok=NO
+fi
 if [ $__check_ok = NO ]; then
     exit 1;
 fi

@@ -45,11 +45,17 @@ if [ $SRS_SSL = YES ]; then
     SrsLibrtmpSampleEntry="ssl"
 fi
 
+# utest make entry, (cd utest; make)
+SrsUtestMakeEntry="@echo -e \"\$(YELLOW)ignore utest for it's disabled\$(BLACK)\""
+if [ $SRS_UTEST = YES ]; then
+    SrsUtestMakeEntry="(cd utest; make)"
+fi
+
 # makefile
 echo "generate Makefile"
 SRS_MAKEFILE="Makefile"
 cat << END > ${SRS_MAKEFILE}
-.PHONY: default help clean server bandwidth librtmp librtmp-sample _prepare_dir
+.PHONY: default help clean server bandwidth librtmp librtmp-sample utest _prepare_dir
 
 # linux shell color support.
 RED="\\\\e[31m"
@@ -57,26 +63,29 @@ GREEN="\\\\e[32m"
 YELLOW="\\\\e[33m"
 BLACK="\\\\e[0m"
 
-default: server bandwidth librtmp librtmp-sample
+default: server bandwidth librtmp librtmp-sample utest
 	@echo -e "\$(GREEN)"
 	@echo -e "build success:"
 	@echo -e "     server:          ./objs/srs, the srs server"
 	@echo -e "     bandwidth:       ./objs/bandwidth, the bandwidth test client"
 	@echo -e "     librtmp:         ./objs/include, ./objs/lib, the srs-librtmp library"
 	@echo -e "     librtmp-sample:  ./research/librtmp, the srs-librtmp client sample"
+	@echo -e "     utest:           ./objs/srs_utest, the utest for srs"
 	@echo -e "\$(BLACK)"
 
 help:
-	@echo "Usage: make <help>|<clean>|<server>|<bandwidth>|<librtmp>|<librtmp-sample>"
+	@echo "Usage: make <help>|<clean>|<server>|<bandwidth>|<librtmp>|<librtmp-sample>|<utest>"
 	@echo "  help               display this help menu"
 	@echo "  clean              cleanup project"
 	@echo "  server             build the srs(simple rtmp server) over st(state-threads)"
 	@echo "  bandwidth          build the bandwidth test client tool."
 	@echo "  librtmp            build the client publish/play library."
 	@echo "  librtmp-sample     build the srs-librtmp sample"
+	@echo "  utest              build the utest for srs"
 
 clean: 
-	(rm -f Makefile; cd ${SRS_OBJS}; rm -rf srs bandwidth Makefile *.hpp src st_*_load research include lib)
+	(rm -f Makefile; cd ${SRS_OBJS}; rm -rf srs bandwidth Makefile *.hpp srs_utest)
+	(cd ${SRS_OBJS}; rm -rf src research include lib utest)
 	(cd research/librtmp; make clean)
 
 server: _prepare_dir
@@ -96,6 +105,11 @@ librtmp-sample:
 	(cd research/librtmp; make ${SrsLibrtmpSampleEntry})
 	@echo "srs-librtmp sample build success"
 
+utest:
+	@echo "build the utest for srs"
+	${SrsUtestMakeEntry}
+	@echo "utest for srs build success"
+
 # the ./configure will generate it.
 _prepare_dir:
 	@mkdir -p ${SRS_OBJS}