Smart Tree - ST

#!/bin/bash # Advanced SSE curl examples for Smart Tree echo "🌳 Smart Tree SSE Curl Examples" echo "===============================" echo # Example 1: Basic SSE stream echo "1️⃣ Basic SSE Stream (press Ctrl+C to stop):" echo "curl -N -H 'Accept: text/event-stream' http://localhost:8420/sse" echo # Example 2: SSE with custom headers echo "2️⃣ SSE with Custom Headers:" echo "curl -N \\" echo " -H 'Accept: text/event-stream' \\" echo " -H 'Cache-Control: no-cache' \\" echo " -H 'X-Client-ID: curl-test' \\" echo " http://localhost:8420/sse" echo # Example 3: Parse specific event types echo "3️⃣ Parse Only File Events:" cat << 'EOF' curl -N -H 'Accept: text/event-stream' http://localhost:8420/sse 2>/dev/null | \ while IFS= read -r line; do case "$line" in "event: created"|"event: modified"|"event: deleted") event_type="${line#event: }" read -r id_line read -r data_line echo "[$event_type] $(echo "$data_line" | cut -d' ' -f2- | jq -r .path)" ;; esac done EOF echo # Example 4: Convert SSE to JSON Lines echo "4️⃣ Convert SSE to JSON Lines Format:" cat << 'EOF' curl -N -H 'Accept: text/event-stream' http://localhost:8420/sse 2>/dev/null | \ awk ' /^event:/ { event = $2 } /^id:/ { id = $2 } /^data:/ { data = substr($0, 7) print "{\"event\":\"" event "\",\"id\":\"" id "\",\"data\":" data "}" } ' EOF echo # Example 5: Monitor with timestamp echo "5️⃣ Monitor Events with Timestamps:" cat << 'EOF' curl -N -H 'Accept: text/event-stream' http://localhost:8420/sse 2>/dev/null | \ while IFS= read -r line; do if [[ $line =~ ^data: ]]; then timestamp=$(date '+%Y-%m-%d %H:%M:%S') echo "[$timestamp] $line" fi done EOF echo # Example 6: Count events by type echo "6️⃣ Count Events by Type:" cat << 'EOF' curl -N -H 'Accept: text/event-stream' http://localhost:8420/sse 2>/dev/null | \ awk ' /^event:/ { events[$2]++ } END { for (e in events) print e ": " events[e] } ' & sleep 30 kill $! EOF echo # Example 7: Real-time directory monitoring simulation echo "7️⃣ Real-time Directory Monitor Display:" cat << 'EOF' curl -N -H 'Accept: text/event-stream' http://localhost:8420/sse 2>/dev/null | \ while IFS= read -r line; do if [[ $line =~ ^event: ]]; then event_type="${line#event: }" elif [[ $line =~ ^data: ]]; then data=$(echo "$line" | cut -d' ' -f2-) case "$event_type" in "created") echo "➕ $(echo "$data" | jq -r .path) [NEW]" ;; "modified") echo "📝 $(echo "$data" | jq -r .path) [MODIFIED]" ;; "deleted") echo "❌ $(echo "$data" | jq -r .path) [DELETED]" ;; "stats") files=$(echo "$data" | jq -r .stats.total_files) size=$(echo "$data" | jq -r .stats.total_size) echo "📊 Stats Update: $files files, $((size / 1024 / 1024))MB" ;; esac fi done EOF echo # Example 8: Save and replay events echo "8️⃣ Save Events for Replay:" echo "# Save events" echo "curl -N -H 'Accept: text/event-stream' http://localhost:8420/sse > events.sse" echo echo "# Replay events" echo "cat events.sse | grep -E '^(event:|data:|id:)' | while read -r line; do echo \"\$line\"; sleep 0.1; done" echo # Example 9: Using with jq for complex filtering echo "9️⃣ Complex Event Filtering with jq:" cat << 'EOF' curl -N -H 'Accept: text/event-stream' http://localhost:8420/sse 2>/dev/null | \ grep '^data:' | cut -d' ' -f2- | \ jq -r 'select(.type == "stats") | "\(.path): \(.stats.total_files) files, \(.stats.total_size) bytes"' EOF echo # Example 10: Performance monitoring echo "🔟 Monitor Event Rate:" cat << 'EOF' curl -N -H 'Accept: text/event-stream' http://localhost:8420/sse 2>/dev/null | \ awk ' BEGIN { start = systime(); count = 0 } /^event:/ { count++ elapsed = systime() - start if (elapsed > 0) { rate = count / elapsed printf "\rEvents: %d, Rate: %.2f/sec", count, rate } } ' EOF echo echo echo "📝 Notes:" echo "- Use -N flag to disable buffering for real-time updates" echo "- Add 2>/dev/null to suppress curl progress output" echo "- Use timeout command to limit execution time" echo "- Pipe to jq for pretty JSON formatting" echo "- Use grep/awk for event filtering and processing"