[PATCH v1 3/8] dts: add ssh connection extension

["Juraj Linkeš" <juraj.linkes@pantheon.tech>]

The class adds logging to existing pexpect methods and history records.

Signed-off-by: Juraj Linkeš <juraj.linkes@pantheon.tech>
---
 dts/framework/ssh_connection.py | 52 +++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 dts/framework/ssh_connection.py

diff --git a/dts/framework/ssh_connection.py b/dts/framework/ssh_connection.py
new file mode 100644
index 0000000000..2ddbc9c1c2
--- /dev/null
+++ b/dts/framework/ssh_connection.py
@@ -0,0 +1,52 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2010-2014 Intel Corporation
+#
+
+from .ssh_pexpect import SSHPexpect
+
+
+class SSHConnection(object):
+
+    """
+    Module for create session to node.
+    """
+
+    def __init__(self, node, session_name, username, password="", sut_id=0):
+        self.session = SSHPexpect(node, username, password, sut_id)
+        self.name = session_name
+        self.history = None
+
+    def init_log(self, logger):
+        self.logger = logger
+        self.session.init_log(logger)
+
+    def set_history(self, history):
+        self.history = history
+
+    def send_expect(self, cmds, expected, timeout=15, verify=False):
+        self.logger.info(cmds)
+        out = self.session.send_expect(cmds, expected, timeout, verify)
+        if isinstance(out, str):
+            self.logger.debug(out.replace(cmds, ""))
+        if type(self.history) is list:
+            self.history.append({"command": cmds, "name": self.name, "output": out})
+        return out
+
+    def send_command(self, cmds, timeout=1):
+        self.logger.info(cmds)
+        out = self.session.send_command(cmds, timeout)
+        self.logger.debug(out.replace(cmds, ""))
+        if type(self.history) is list:
+            self.history.append({"command": cmds, "name": self.name, "output": out})
+        return out
+
+    def get_session_before(self, timeout=15):
+        out = self.session.get_session_before(timeout)
+        self.logger.debug(out)
+        return out
+
+    def close(self, force=False):
+        if getattr(self, "logger", None):
+            self.logger.logger_exit()
+
+        self.session.close(force)
-- 
2.20.1