Initial go port of epics

workspace/run.sh

@@ -5,9 +5,11 @@
 #   bash workspace/run.sh
 #
 # Requirements:
-#   • EPICS Base installed (EPICS_BASE set, or auto-detected below)
-#   • softIoc binary available
-#   • uopi built with EPICS support (script builds it if missing)
+#   • EPICS Base installed (softIoc binary available in PATH or EPICS_BASE)
+#   • uopi built (script builds it if missing)
+#
+# uopi connects to EPICS via its built-in pure-Go CA client — no libca needed.
+# Set UOPI_CA_DEBUG=1 (default below) to enable CA-level debug logging.
 
 set -euo pipefail
 
@@ -15,32 +17,24 @@ PROJECT_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
 WORKSPACE="$PROJECT_ROOT/workspace"
 BINARY="$PROJECT_ROOT/dist/uopi"
 
-# ── Locate EPICS Base ─────────────────────────────────────────────────────────
+# ── Locate EPICS tools ────────────────────────────────────────────────────────
 
-if [ -z "${EPICS_BASE:-}" ]; then
-    for candidate in \
-        /usr/lib/epics \
-        /usr/local/epics \
-        /opt/epics/base \
-        /opt/epics; do
-        if [ -f "$candidate/include/cadef.h" ]; then
-            export EPICS_BASE="$candidate"
-            break
-        fi
-    done
+# If EPICS_BASE is set, add its bin directory to PATH automatically.
+if [ -n "${EPICS_BASE:-}" ]; then
+    if [ -z "${EPICS_ARCH:-}" ]; then
+        EPICS_ARCH="$(ls "$EPICS_BASE/bin" 2>/dev/null | grep -i linux | head -1 || true)"
+        EPICS_ARCH="${EPICS_ARCH:-linux-x86_64}"
+    fi
+    export PATH="$EPICS_BASE/bin/$EPICS_ARCH:$PATH"
+    echo "EPICS_BASE=$EPICS_BASE  EPICS_ARCH=$EPICS_ARCH"
 fi
 
-if [ -z "${EPICS_BASE:-}" ]; then
-    echo "ERROR: EPICS_BASE is not set and could not be auto-detected."
-    echo "  export EPICS_BASE=/path/to/epics/base"
+if ! command -v softIoc &>/dev/null; then
+    echo "ERROR: softIoc not found in PATH."
+    echo "  Set EPICS_BASE=/path/to/epics/base, or add softIoc to your PATH."
     exit 1
 fi
-
-# Detect architecture
-EPICS_ARCH="${EPICS_ARCH:-$(ls "$EPICS_BASE/lib" | grep linux | head -1)}"
-if [ -z "$EPICS_ARCH" ]; then
-    EPICS_ARCH="linux-x86_64"
-fi
+echo "softIoc: $(command -v softIoc)"
 
 # ── Environment ───────────────────────────────────────────────────────────────
 
@@ -48,24 +42,17 @@ fi
 export EPICS_CA_ADDR_LIST="127.0.0.1"
 export EPICS_CA_AUTO_ADDR_LIST="NO"
 
-# Ensure the EPICS shared libraries are found at runtime.
-export LD_LIBRARY_PATH="$EPICS_BASE/lib/$EPICS_ARCH${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH}"
-
-# Make EPICS tools (softIoc, caget, caput…) available.
-export PATH="$EPICS_BASE/bin/$EPICS_ARCH:$PATH"
-
-# ── Locate softIoc ────────────────────────────────────────────────────────────
-
-if ! command -v softIoc &>/dev/null; then
-    echo "ERROR: softIoc not found in $EPICS_BASE/bin/$EPICS_ARCH or PATH."
-    exit 1
-fi
+# Enable CA-level debug logging in uopi (set to "" to disable).
+export UOPI_CA_DEBUG="${UOPI_CA_DEBUG:-1}"
 
 # ── Build uopi ────────────────────────────────────────────────────────────────
 
-echo "Building uopi with EPICS support..."
+echo "Building uopi + catools..."
 cd "$PROJECT_ROOT"
-make backend-epics 2>&1
+make backend 2>&1
+echo ""
+echo "  catools: $PROJECT_ROOT/dist/catools"
+echo "  Usage:   dist/catools caget UOPI:TICK"
 echo ""
 
 # ── Cleanup handler ───────────────────────────────────────────────────────────
@@ -85,39 +72,66 @@ trap cleanup EXIT INT TERM
 
 pkill -x softIoc 2>/dev/null || true
 # Give the OS a moment to release the CA port (5064/tcp+udp).
-sleep 0.3
+sleep 0.5
 
 # ── Start softIOC ─────────────────────────────────────────────────────────────
 
 echo "Starting softIOC..."
+echo "  DB: $WORKSPACE/softioc/uopi_test.db"
+echo "  Log: $WORKSPACE/softioc.log"
 softIoc -S -d "$WORKSPACE/softioc/uopi_test.db" \
     >"$WORKSPACE/softioc.log" 2>&1 &
 IOC_PID=$!
 PIDS+=("$IOC_PID")
 
-# Wait for the IOC to accept Channel Access connections (up to 10 s).
-echo -n "Waiting for IOC to be ready"
+# Wait for the IOC to start listening on TCP 5064 (up to 10 s).
+# We probe with nc (netcat) first — no EPICS tools required.
+echo -n "Waiting for IOC port 5064"
+IOC_READY=0
 for i in $(seq 1 20); do
-    if caget -w 1 UOPI:TICK >/dev/null 2>&1; then
-        echo " OK"
+    if nc -z 127.0.0.1 5064 2>/dev/null; then
+        echo " OK (TCP 5064 open)"
+        IOC_READY=1
         break
     fi
     echo -n "."
     sleep 0.5
-    if [ "$i" -eq 20 ]; then
-        echo ""
-        echo "ERROR: IOC did not become ready within 10 seconds."
-        echo "Check $WORKSPACE/softioc.log for details."
-        exit 1
-    fi
 done
 
+if [ "$IOC_READY" -eq 0 ]; then
+    echo ""
+    echo "ERROR: IOC port 5064 not open after 10 seconds."
+    echo "softIoc log:"
+    cat "$WORKSPACE/softioc.log" || true
+    exit 1
+fi
+
+# Optional deeper check with caget if it's available.
+if command -v caget &>/dev/null; then
+    echo -n "Verifying UOPI:TICK with caget"
+    for i in $(seq 1 10); do
+        if caget -w 1 UOPI:TICK >/dev/null 2>&1; then
+            echo " OK"
+            break
+        fi
+        echo -n "."
+        sleep 0.5
+        if [ "$i" -eq 10 ]; then
+            echo " (timeout — continuing anyway)"
+        fi
+    done
+else
+    echo "caget not in PATH — skipping PV check (softIoc assumed ready)"
+    sleep 1
+fi
+
 # ── Start uopi ────────────────────────────────────────────────────────────────
 
+echo ""
 echo "Starting uopi (http://localhost:8080)..."
-echo "  Open the browser, switch to Edit mode, load workspace/data/epics_test.xml"
-echo "  or select it from the interface list in View mode."
-echo "  Press Ctrl-C to stop."
+echo "  UOPI_CA_DEBUG=$UOPI_CA_DEBUG"
+echo "  Config: $WORKSPACE/uopi.toml"
+echo "  Log will appear below. Press Ctrl-C to stop."
 echo ""
 
 cd "$PROJECT_ROOT"