[occ] Export PID to protobuf

Author: miltalex

occ/occlib/OccServer.cxx

@@ -37,6 +37,9 @@
 #include <boost/algorithm/string.hpp>
 #include <boost/property_tree/ptree.hpp>
 
+#include <sys/types.h>
+#include <unistd.h>
+
 #include "RuntimeControlledObject.h"
 #include "RuntimeControlledObjectPrivate.h"
 
@@ -139,7 +142,10 @@ grpc::Status OccServer::GetState(grpc::ServerContext* context,
     (void) request;
 
     auto state = getStringFromState(m_rco->getState());
+    pid_t pid = getpid();
+
     response->set_state(state);
+    response->set_pid(pid);
 
     return grpc::Status::OK;
 }

occ/plugin/OccLiteServer.cxx

@@ -39,6 +39,9 @@
 #include <boost/algorithm/string/predicate.hpp>
 #include <boost/algorithm/string/split.hpp>
 
+#include <sys/types.h>
+#include <unistd.h>
+
 #include <condition_variable>
 #include <iomanip>
 
@@ -77,7 +80,10 @@ ::grpc::Status OccLite::Service::GetState(::grpc_impl::ServerContext* context,
     (void) request;
 
     auto state = fair::mq::PluginServices::ToStr(m_pluginServices->GetCurrentDeviceState());
+    pid_t pid = getpid();
+
     response->state = state;
+    response->pid = pid;
     OLOG(INFO) << "GetState response: " << response->state;
 
     return grpc::Status::OK;

occ/plugin/OccPluginServer.cxx

@@ -38,6 +38,9 @@
 #include <condition_variable>
 #include <iomanip>
 
+#include <sys/types.h>
+#include <unistd.h>
+
 OccPluginServer::OccPluginServer(fair::mq::PluginServices* pluginServices)
     : Service(), m_pluginServices(pluginServices)
 {
@@ -149,7 +152,10 @@ grpc::Status OccPluginServer::GetState(grpc::ServerContext* context,
     (void) request;
 
     auto state = fair::mq::PluginServices::ToStr(m_pluginServices->GetCurrentDeviceState());
+    pid_t pid = getpid();
+
     response->set_state(state);
+    response->set_pid(pid);
 
     return grpc::Status::OK;
 }
@@ -230,4 +236,3 @@ OccPluginServer::Transition(grpc::ServerContext* context,
 
     return grpc::Status::OK;
 }
-

occ/plugin/litestructs/GetState.cxx

@@ -31,13 +31,17 @@ bool OccLite::nopb::GetStateResponse::Serialize(rapidjson::Writer<rapidjson::Str
     writer->String("state");
     writer->String(state);
 
+    writer->String("pid");
+    writer->Int(pid);
+
     writer->EndObject();
     return true;
 }
 
 bool OccLite::nopb::GetStateResponse::Deserialize(const rapidjson::Value& obj)
 {
     state = obj["state"].GetString();
+    pid = obj["pid"].GetInt();
     return true;
 }
 

occ/plugin/litestructs/GetState.h

@@ -46,6 +46,7 @@ struct GetStateRequest : public JsonMessage
 struct GetStateResponse : public JsonMessage
 {
     std::string state;
+    int pid;
 
     bool Serialize(rapidjson::Writer<rapidjson::StringBuffer>* writer) const override;
     bool Deserialize(const rapidjson::Value& obj) override;

occ/protos/occ.proto

@@ -74,6 +74,7 @@ message EventStreamReply {
 message GetStateRequest {}
 message GetStateReply {
     string state = 1;
+    int32 pid = 2;
 }
 
 message ConfigEntry {