From 960313877792aca88773a987f400cfab4546a665 Mon Sep 17 00:00:00 2001
From: Salvatore Ingala <6681844+bigspider@users.noreply.github.com>
Date: Thu, 10 Oct 2019 12:09:11 +0700
Subject: [PATCH 1/4] Added SIGINT signal handler

---
 pisa/pisad.py | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/pisa/pisad.py b/pisa/pisad.py
index 152d7c9..e1864c6 100644
--- a/pisa/pisad.py
+++ b/pisa/pisad.py
@@ -1,5 +1,6 @@
-from sys import argv
+from sys import argv, exit
 from getopt import getopt
+from signal import signal, SIGINT
 
 from pisa.logger import Logger
 from pisa.api import start_api
@@ -7,7 +8,17 @@ from pisa.tools import can_connect_to_bitcoind, in_correct_network
 
 logger = Logger("Daemon")
 
+
+def handle_sigint(signal_received, frame):
+    print("Shutting down PISA...")
+    # TODO: add code to close the db, free any resources, etc.
+
+    exit(0)
+
+
 if __name__ == '__main__':
+    signal(SIGINT, handle_sigint)
+
     debug = False
     opts, _ = getopt(argv[1:], 'd', ['debug'])
     for opt, arg in opts:

From 99f3400d638d0f938ae1939c18d74660223226f6 Mon Sep 17 00:00:00 2001
From: Salvatore Ingala <6681844+bigspider@users.noreply.github.com>
Date: Thu, 10 Oct 2019 22:37:06 +0700
Subject: [PATCH 2/4] Added SIGTERM and SIGQUIT

---
 pisa/pisad.py | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/pisa/pisad.py b/pisa/pisad.py
index e1864c6..593c19b 100644
--- a/pisa/pisad.py
+++ b/pisa/pisad.py
@@ -1,6 +1,6 @@
 from sys import argv, exit
 from getopt import getopt
-from signal import signal, SIGINT
+from signal import signal, SIGINT, SIGQUIT, SIGTERM
 
 from pisa.logger import Logger
 from pisa.api import start_api
@@ -9,7 +9,7 @@ from pisa.tools import can_connect_to_bitcoind, in_correct_network
 logger = Logger("Daemon")
 
 
-def handle_sigint(signal_received, frame):
+def handle_signals(signal_received, frame):
     print("Shutting down PISA...")
     # TODO: add code to close the db, free any resources, etc.
 
@@ -17,7 +17,9 @@ def handle_sigint(signal_received, frame):
 
 
 if __name__ == '__main__':
-    signal(SIGINT, handle_sigint)
+    signal(SIGINT, handle_signals)
+    signal(SIGTERM, handle_signals)
+    signal(SIGQUIT, handle_signals)
 
     debug = False
     opts, _ = getopt(argv[1:], 'd', ['debug'])

From 6348319dfb3be2b9ce633d2ca332ccbb32a17a78 Mon Sep 17 00:00:00 2001
From: Salvatore Ingala <6681844+bigspider@users.noreply.github.com>
Date: Fri, 11 Oct 2019 09:26:29 +0700
Subject: [PATCH 3/4] Using logging instead of print; added startup log message

---
 pisa/pisad.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pisa/pisad.py b/pisa/pisad.py
index 593c19b..751aa53 100644
--- a/pisa/pisad.py
+++ b/pisa/pisad.py
@@ -10,13 +10,15 @@ logger = Logger("Daemon")
 
 
 def handle_signals(signal_received, frame):
-    print("Shutting down PISA...")
+    logger.info("Shutting down PISA")
     # TODO: add code to close the db, free any resources, etc.
 
     exit(0)
 
 
 if __name__ == '__main__':
+    logger.info("Starting PISA")
+
     signal(SIGINT, handle_signals)
     signal(SIGTERM, handle_signals)
     signal(SIGQUIT, handle_signals)

From 8acff789fe2985bfe0e863f8dc96a9a9e39fb69c Mon Sep 17 00:00:00 2001
From: Salvatore Ingala <6681844+bigspider@users.noreply.github.com>
Date: Fri, 11 Oct 2019 11:27:03 +0700
Subject: [PATCH 4/4] Add reference to github issue for the Todo

---
 pisa/pisad.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pisa/pisad.py b/pisa/pisad.py
index 751aa53..ac5bf86 100644
--- a/pisa/pisad.py
+++ b/pisa/pisad.py
@@ -11,7 +11,7 @@ logger = Logger("Daemon")
 
 def handle_signals(signal_received, frame):
     logger.info("Shutting down PISA")
-    # TODO: add code to close the db, free any resources, etc.
+    # TODO: #11-add-graceful-shutdown: add code to close the db, free any resources, etc.
 
     exit(0)