From cbabae84b2836a19588f2a69641bd54ec2551c23 Mon Sep 17 00:00:00 2001
From: Bob Mottram <bob@robotics.uk.to>
Date: Sun, 23 Oct 2016 10:41:04 +0100
Subject: [PATCH] wifi retries
---
src/freedombone-wifi | 37 ++++++++++++++++++++++++++++++++++---
1 file changed, 34 insertions(+), 3 deletions(-)
diff --git a/src/freedombone-wifi b/src/freedombone-wifi
index 014c111d8..671063809 100755
--- a/src/freedombone-wifi
+++ b/src/freedombone-wifi
@@ -47,6 +47,7 @@ WIFI_NETWORKS_FILE=~/${PROJECT_NAME}-wifi.cfg
NETWORKS_INTERACTIVE=
WIFI_DISABLE=
WAIT_SEC=
+WIFI_MAX_RETRIES=5
IFACE=
IFACE_SECONDARY=
@@ -69,6 +70,7 @@ function show_help {
echo $' --networks [filename] File containing wifi networks'
echo $' --createnetworks [filename] Create file containing wifi networks'
echo $' --disable [yes/no] Disable wifi'
+ echo $' --retries [number] Maximum number of retries'
echo ''
exit 0
}
@@ -99,6 +101,10 @@ do
shift
WIFI_SSID=${1}
;;
+ --retries)
+ shift
+ WIFI_MAX_RETRIES=${1}
+ ;;
-p|--pass|--passphrase)
shift
WIFI_PASSPHRASE=${1}
@@ -160,9 +166,34 @@ if [ ${WIFI_DISABLE} ]; then
fi
if [ -f ${WIFI_NETWORKS_FILE} ]; then
- networks_from_file
- wpa_cli status
- exit 0
+ wifi_established=
+ wifi_retry_ctr=0
+ while [ ! $wifi_established ]; do
+ if [ ${wifi_retry_ctr} -gt 0 ]; then
+ wpa_action ${WIFI_INTERFACE} stop
+ wpa_cli -i ${WIFI_INTERFACE} terminate
+ fi
+ networks_from_file
+ # allow some time for a connection to be established
+ sleep 5
+ # has it worked?
+ if [[ $(wifi_is_running) != "0" ]]; then
+ wifi_established=1
+ break
+ fi
+ # has the limit of retries been reached?
+ wifi_retry_ctr=$((wifi_retry_ctr+1))
+ if [ ${wifi_retry_ctr} -ge ${WIFI_MAX_RETRIES} ]; then
+ break
+ fi
+ done
+ if [ $wifi_established ]; then
+ wpa_cli status
+ exit 0
+ else
+ echo $'Wifi could not be started'
+ exit 4
+ fi
fi
if [ ! ${WIFI_SSID} ]; then
--
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