Make procd manage socat-at-bridge completely

ipk-source/socat-at-bridge/CONTROL/control

@@ -1,5 +1,5 @@
 Package: socat-at-bridge
-Version: 1.1.1
+Version: 1.2.0
 Depends: libc, socat
 Source: github/iamromulan/quectel-rgmii-toolkit
 Maintainer: github.com/iamromulan

ipk-source/socat-at-bridge/root/etc/init.d/socat-at-bridge

@@ -6,15 +6,42 @@ STOP=10
 USE_PROCD=1
 
 start_service() {
+    # Instance 1: create PTY pair
     procd_open_instance
-    procd_set_param command /usr/sbin/socat-at-bridge.sh
-    procd_set_param respawn
+    procd_set_param command socat -d -d pty,link=/dev/ttySMD11IN,raw,echo=0,group=20,perm=660 \
+                                    pty,link=/dev/ttySMD11,raw,echo=1,group=20,perm=660
+    procd_set_param respawn 0 0 0
+    procd_set_param stdout 1
+    procd_set_param stderr 1
+    procd_close_instance
+
+    # Instance 2: forward /dev/smd11 → /dev/ttySMD11IN
+    procd_open_instance
+    procd_set_param command /bin/sh -c '
+        while [ ! -e /dev/ttySMD11IN ]; do sleep 0.1; done
+        exec cat /dev/smd11 > /dev/ttySMD11IN
+    '
+    procd_set_param file /dev/smd11
+    procd_set_param respawn 0 0 0
+    procd_set_param stdout 1
+    procd_set_param stderr 1
+    procd_close_instance
+
+    # Instance 3: forward /dev/ttySMD11IN → /dev/smd11
+    procd_open_instance
+    procd_set_param command /bin/sh -c '
+        while [ ! -e /dev/ttySMD11IN ]; do sleep 0.1; done
+        exec cat /dev/ttySMD11IN > /dev/smd11
+    '
+    procd_set_param file /dev/smd11
+    procd_set_param respawn 0 0 0
     procd_set_param stdout 1
     procd_set_param stderr 1
     procd_close_instance
 }
 
 stop_service() {
-    # procd will handle stopping all instances automatically
-    echo "Stopping socat and cat instances."
+    echo "Stopping socat bridge and cleaning up..."
+    rm -f /dev/ttySMD11 /dev/ttySMD11IN
 }
+

ipk-source/socat-at-bridge/root/etc/init.d/socat-at-bridge-smd7

@@ -6,15 +6,42 @@ STOP=10
 USE_PROCD=1
 
 start_service() {
+    # Instance 1: create PTY pair
     procd_open_instance
-    procd_set_param command /usr/sbin/socat-at-bridge-smd7.sh
-    procd_set_param respawn
+    procd_set_param command socat -d -d pty,link=/dev/ttySMD7IN,raw,echo=0,group=20,perm=660 \
+                                    pty,link=/dev/ttySMD7,raw,echo=1,group=20,perm=660
+    procd_set_param respawn 0 0 0
+    procd_set_param stdout 1
+    procd_set_param stderr 1
+    procd_close_instance
+
+    # Instance 2: forward /dev/smd7 → /dev/ttySMD7IN
+    procd_open_instance
+    procd_set_param command /bin/sh -c '
+        while [ ! -e /dev/ttySMD7IN ]; do sleep 0.1; done
+        exec cat /dev/smd7 > /dev/ttySMD7IN
+    '
+    procd_set_param file /dev/smd7
+    procd_set_param respawn 0 0 0
+    procd_set_param stdout 1
+    procd_set_param stderr 1
+    procd_close_instance
+
+    # Instance 3: forward /dev/ttySMD7IN → /dev/smd7
+    procd_open_instance
+    procd_set_param command /bin/sh -c '
+        while [ ! -e /dev/ttySMD7IN ]; do sleep 0.1; done
+        exec cat /dev/ttySMD7IN > /dev/smd7
+    '
+    procd_set_param file /dev/smd7
+    procd_set_param respawn 0 0 0
     procd_set_param stdout 1
     procd_set_param stderr 1
     procd_close_instance
 }
 
 stop_service() {
-    # procd will handle stopping all instances automatically
-    echo "Stopping socat and cat instances."
+    echo "Stopping socat bridge and cleaning up..."
+    rm -f /dev/ttySMD7 /dev/ttySMD7IN
 }
+

ipk-source/socat-at-bridge/root/usr/sbin/socat-at-bridge-smd7.sh

@@ -1,37 +0,0 @@
-#!/bin/ash
-
-# Optional logging for debugging
-LOGFILE="/var/log/socat-bridge-smd7.log"
-
-# Start socat to create virtual TTY devices
-echo "$(date): Starting socat..." >> "$LOGFILE"
-socat -d -d pty,link=/dev/ttySMD7IN,raw,echo=0,group=20,perm=660 \
-          pty,link=/dev/ttySMD7,raw,echo=1,group=20,perm=660 &
-SOCAT_PID=$!
-
-# Allow socat to initialize
-sleep 1
-
-# Start forwarding data from /dev/smd7 to /dev/ttySMD7IN
-echo "$(date): Starting forward from /dev/smd7 to /dev/ttySMD7IN..." >> "$LOGFILE"
-cat /dev/smd7 > /dev/ttySMD7IN &
-CAT1_PID=$!
-
-# Start forwarding data from /dev/ttySMD7IN to /dev/smd7
-echo "$(date): Starting forward from /dev/ttySMD7IN to /dev/smd7..." >> "$LOGFILE"
-cat /dev/ttySMD7IN > /dev/smd7 &
-CAT2_PID=$!
-
-# Handle script termination and cleanup
-cleanup() {
-    echo "$(date): Cleaning up processes..." >> "$LOGFILE"
-    kill "$SOCAT_PID" "$CAT1_PID" "$CAT2_PID" 2>/dev/null
-    wait
-    echo "$(date): All processes stopped." >> "$LOGFILE"
-}
-
-# Trap termination signals to run cleanup
-trap cleanup INT TERM EXIT
-
-# Wait for all background processes to finish
-wait

ipk-source/socat-at-bridge/root/usr/sbin/socat-at-bridge.sh

@@ -1,37 +0,0 @@
-#!/bin/ash
-
-# Optional logging for debugging
-LOGFILE="/var/log/socat-bridge.log"
-
-# Start socat to create virtual TTY devices
-echo "$(date): Starting socat..." >> "$LOGFILE"
-socat -d -d pty,link=/dev/ttySMD11IN,raw,echo=0,group=20,perm=660 \
-          pty,link=/dev/ttySMD11,raw,echo=1,group=20,perm=660 &
-SOCAT_PID=$!
-
-# Allow socat to initialize
-sleep 1
-
-# Start forwarding data from /dev/smd11 to /dev/ttySMD11IN
-echo "$(date): Starting forward from /dev/smd11 to /dev/ttySMD11IN..." >> "$LOGFILE"
-cat /dev/smd11 > /dev/ttySMD11IN &
-CAT1_PID=$!
-
-# Start forwarding data from /dev/ttySMD11IN to /dev/smd11
-echo "$(date): Starting forward from /dev/ttySMD11IN to /dev/smd11..." >> "$LOGFILE"
-cat /dev/ttySMD11IN > /dev/smd11 &
-CAT2_PID=$!
-
-# Handle script termination and cleanup
-cleanup() {
-    echo "$(date): Cleaning up processes..." >> "$LOGFILE"
-    kill "$SOCAT_PID" "$CAT1_PID" "$CAT2_PID" 2>/dev/null
-    wait
-    echo "$(date): All processes stopped." >> "$LOGFILE"
-}
-
-# Trap termination signals to run cleanup
-trap cleanup INT TERM EXIT
-
-# Wait for all background processes to finish
-wait