Use timeout for future-promise

src/api-server/impl/SMContextsCollectionApiImpl.cpp

@@ -41,6 +41,12 @@
 #include "smf_config.hpp"
 #include "3gpp_conversions.hpp"
 #include "mime_parser.hpp"
+#include <boost/thread.hpp>
+#include <boost/thread/future.hpp>
+#include <boost/chrono.hpp>
+#include <boost/chrono/chrono.hpp>
+#include <boost/chrono/duration.hpp>
+#include <boost/chrono/system_clocks.hpp>
 
 extern smf::smf_config smf_cfg;
 
@@ -98,6 +104,13 @@ void SMContextsCollectionApiImpl::post_sm_contexts(
   itti_msg->http_version = 1;
   m_smf_app->handle_pdu_session_create_sm_context_request(itti_msg);
 
+  boost::future_status status;
+  // wait for timeout or ready
+  status = f.wait_for(boost::chrono::milliseconds(100));
+  if (status == boost::future_status::ready) {
+    assert(f.is_ready());
+    assert(f.has_value());
+    assert(!f.has_exception());
     // Wait for the result from APP and send reply to AMF
     smf::pdu_session_create_sm_context_response sm_context_response = f.get();
     Logger::smf_api_server().debug("Got result for promise ID %d", promise_id);
@@ -117,7 +130,8 @@ void SMContextsCollectionApiImpl::post_sm_contexts(
           multipart_related_content_part_e::NAS, json_format);
       response.headers().add<Pistache::Http::Header::ContentType>(
           Pistache::Http::Mime::MediaType(
-            "multipart/related; boundary=" + std::string(CURL_MIME_BOUNDARY)));
+              "multipart/related; boundary=" +
+              std::string(CURL_MIME_BOUNDARY)));
     } else if (!json_data.empty()) {  // if not, include json data if available
       response.headers().add<Pistache::Http::Header::Location>(
           sm_context_response.get_smf_context_uri());  // Location header
@@ -129,8 +143,12 @@ void SMContextsCollectionApiImpl::post_sm_contexts(
       response.send(Pistache::Http::Code(sm_context_response.get_http_code()));
       return;
     }
+
     response.send(
         Pistache::Http::Code(sm_context_response.get_http_code()), body);
+  } else {
+    response.send(Pistache::Http::Code::Request_Timeout);
+  }
 }
 }  // namespace api
 }  // namespace smf_server

src/oai_smf/CMakeLists.txt

@@ -320,5 +320,5 @@ IF(STATIC_LINKING)
 ENDIF(STATIC_LINKING)   
 
 target_link_libraries (smf ${ASAN} 
-    -Wl,--start-group CN_UTILS SMF UDP  PFCP 3GPP_COMMON_TYPES SMF_API -lnettle ${NETTLE_LIBRARIES} ${CRYPTO_LIBRARIES} -lnghttp2_asio -lboost_system -lboost_thread -lssl -lcrypto NAS gflags glog dl double-conversion folly -Wl,--end-group pthread m rt config++ event boost_system pistache curl)
+    -Wl,--start-group CN_UTILS SMF UDP  PFCP 3GPP_COMMON_TYPES SMF_API -lnettle ${NETTLE_LIBRARIES} ${CRYPTO_LIBRARIES} -lnghttp2_asio -lboost_system -lboost_thread -lssl -lcrypto NAS gflags glog dl double-conversion folly -Wl,--end-group pthread m rt config++ event boost_system boost_chrono pistache curl)
     
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