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-rw-r--r--third_party/nix/src/libstore/ssh.hh41
1 files changed, 41 insertions, 0 deletions
diff --git a/third_party/nix/src/libstore/ssh.hh b/third_party/nix/src/libstore/ssh.hh
new file mode 100644
index 000000000000..23952ccb1293
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+++ b/third_party/nix/src/libstore/ssh.hh
@@ -0,0 +1,41 @@
+#pragma once
+
+#include "sync.hh"
+#include "util.hh"
+
+namespace nix {
+
+class SSHMaster {
+ private:
+  const std::string host;
+  bool fakeSSH;
+  const std::string keyFile;
+  const bool useMaster;
+  const bool compress;
+  const int logFD;
+
+  struct State {
+    Pid sshMaster;
+    std::unique_ptr<AutoDelete> tmpDir;
+    Path socketPath;
+  };
+
+  Sync<State> state_;
+
+  void addCommonSSHOpts(Strings& args);
+
+ public:
+  SSHMaster(const std::string& host, std::string keyFile, bool useMaster,
+            bool compress, int logFD = -1);
+
+  struct Connection {
+    Pid sshPid;
+    AutoCloseFD out, in;
+  };
+
+  std::unique_ptr<Connection> startCommand(const std::string& command);
+
+  Path startMaster();
+};
+
+}  // namespace nix