update Readme

README.txt

@@ -12,6 +12,7 @@ openair-cn5g-smf
     └── smf:       Directory containing CMakefile.txt and object files generated by compilation of SMF network function. 
 ├── etc:           Directory containing the configuration file to be deployed for SMF.
 └── src:           Source files of SMF.
+    ├── api-server: SMF services APIs. 
     ├── common:    Common header files
     │   ├── msg:   ITTI messages definitions.
     │   └── utils: Common utilities.
@@ -41,20 +42,19 @@ cd /oai-cn5g-smf/build/scripts
 ./build_smf -c -V -b Debug -j
 
 ## Create configuration file for SMF
-cd /oai-cn5g-smf/src/test/inputs
+cd /oai-cn5g-smf/build/scripts
 ./smf_conf.sh
 
 ## launch SMF
 sudo smf -c /usr/local/etc/oai/smf.conf -o 
 
-## Build UPF (SPGWU)
+## Build UPF (SPGWU) and Launch UPF (SPGWU)
 git clone https://github.com/OPENAIRINTERFACE/openair-cn-cups/
 cd /openair-cn-cups/build/scripts
 ./build_spgwu -I -f
 ./build_spgwu -c -V -b Debug -j
 
-## Launch UPF
-cd /oai-cn5g-smf/src/test/inputs
+cd /oai-cn5g-smf/src/test/upf
 ./spgwu_conf.sh
 sudo spgwu -c /usr/local/etc/oai/spgw_u.conf  -o
 
@@ -66,6 +66,20 @@ cmake ..
 make
 ./udm-server
 
-###test with curl
-cd /oai-cn5g-smf/src/test/inputs
-curl -X POST http://127.0.0.1:8080/nsmf-pdusession/v1/sm-contexts --data @apitest.json
+## Build and launch AMF server
+cd /oai-cn5g-smf/src/test/amf
+mkdir build
+cd build
+cmake ..
+make
+./amf-api-server 
+
+## Build and launch AMF client
+cd /oai-cn5g-smf/src/test/amf_client
+mkdir build
+cd build
+cmake ..
+make
+./amf-client
+
+