Final part on compatibility layer: LOGBROKER-7215

ref:777c67aadbf705d19034a09a792b2df61ba53697

1 files changed, 53 insertions, 0 deletions

diff --git a/library/cpp/tvmauth/client/misc/proc_info.cpp b/library/cpp/tvmauth/client/misc/proc_info.cpp
new file mode 100644
index 0000000000..e2e5ec15b9
--- /dev/null
+++ b/library/cpp/tvmauth/client/misc/proc_info.cpp
@@ -0,0 +1,53 @@
+#include "proc_info.h"
+
+#include <library/cpp/tvmauth/version.h>
+
+#include <library/cpp/string_utils/quote/quote.h>
+
+#include <util/stream/file.h>
+#include <util/string/cast.h>
+#include <util/system/getpid.h>
+
+namespace NTvmAuth::NUtils {
+    void TProcInfo::AddToRequest(IOutputStream& out) const {
+        out << "_pid=" << Pid;
+        if (ProcessName) {
+            out << "&_procces_name=" << *ProcessName;
+        }
+        out << "&lib_version=client_" << VersionPrefix << LibVersion();
+    }
+
+    TProcInfo TProcInfo::Create(const TString& versionPrefix) {
+        TProcInfo res;
+        res.Pid = IntToString<10>(GetPID());
+        res.ProcessName = GetProcessName();
+        res.VersionPrefix = versionPrefix;
+        return res;
+    }
+
+    std::optional<TString> TProcInfo::GetProcessName() {
+        try {
+            // works only for linux
+            TFileInput proc("/proc/self/status");
+
+            TString line;
+            while (proc.ReadLine(line)) {
+                TStringBuf buf(line);
+                if (!buf.SkipPrefix("Name:")) {
+                    continue;
+                }
+
+                while (buf && isspace(buf.front())) {
+                    buf.Skip(1);
+                }
+
+                TString res(buf);
+                CGIEscape(res);
+                return res;
+            }
+        } catch (...) {
+        }
+
+        return {};
+    }
+}