Faster Canon Printer

src/main/java/com/ffii/core/utils/CanonPrinterUtil.kt

@@ -1,6 +1,7 @@
 package com.ffii.core.utils
 
 import org.apache.pdfbox.pdmodel.PDDocument
+import org.slf4j.LoggerFactory
 import java.io.File
 import java.io.OutputStream
 import java.net.Socket
@@ -19,6 +20,7 @@ open class CanonPrinterUtil {
     }
 
     companion object {
+        private val log = LoggerFactory.getLogger(CanonPrinterUtil::class.java)
         /**
          * Detects if a PDF document is in landscape (horizontal) orientation.
          *
@@ -105,13 +107,10 @@ open class CanonPrinterUtil {
                 // 6. Read PDF file content
                 val pdfContent = pdfFile.readBytes()
 
-                println("DEBUG: PDF file size: ${pdfContent.size} bytes")
-
                 // Print each copy for the specified quantity
-                repeat(printQty ?: 1) { copyIndex ->
-                    println("DEBUG: Printing copy ${copyIndex + 1} of ${printQty ?: 1}")
-
-                    // 7. Send to printer via TCP/IP socket
+                val copies = printQty ?: 1
+                repeat(copies) { copyIndex ->
+                    val tSend = System.nanoTime()
                     Socket(printerIp, printerPort).use { socket ->
                         val os: OutputStream = socket.getOutputStream()
 
@@ -126,8 +125,17 @@ open class CanonPrinterUtil {
                         os.write("\u001B%-12345X".toByteArray(Charsets.US_ASCII))
 
                         os.flush()
-                        println("DEBUG: Copy ${copyIndex + 1} sent to printer")
                     }
+                    val sendMs = (System.nanoTime() - tSend) / 1_000_000.0
+                    log.info(
+                        "Canon printPdfToCanon: copy {} of {} sendMs={} printer={}:{} pdfBytes={} (high sendMs: check LAN/WiFi, firewall, or printer 9100 queue)",
+                        copyIndex + 1,
+                        copies,
+                        sendMs,
+                        printerIp,
+                        printerPort,
+                        pdfContent.size,
+                    )
                 }
             } catch (e: Exception) {
                 // Re-throw the exception with a more descriptive message

src/main/java/com/ffii/fpsms/modules/deliveryOrder/service/DeliveryOrderService.kt

@@ -79,6 +79,8 @@ import com.ffii.fpsms.modules.master.entity.ItemsRepository
 import kotlin.collections.emptyMap
 import com.ffii.fpsms.modules.master.print.A4PrintDriverRegistry
 import com.ffii.core.response.RecordsRes
+import net.sf.jasperreports.engine.JasperReport
+import org.slf4j.LoggerFactory
 import org.springframework.data.domain.PageRequest
 import org.springframework.data.domain.Page
 import org.springframework.data.domain.Pageable
@@ -87,6 +89,8 @@ import com.ffii.fpsms.modules.deliveryOrder.entity.models.DeliveryOrderInfoLiteD
 import com.ffii.fpsms.modules.stock.entity.InventoryLotLine
 import com.ffii.fpsms.modules.stock.entity.projection.StockOutLineInfo
 import java.util.Locale
+import org.slf4j.Logger
+
 @Service
 open class DeliveryOrderService(
     private val deliveryOrderRepository: DeliveryOrderRepository,
@@ -116,7 +120,7 @@ open class DeliveryOrderService(
     private val doPickOrderRepository: DoPickOrderRepository,
     private val doPickOrderLineRepository: DoPickOrderLineRepository,
     private val doPickOrderLineRecordRepository: DoPickOrderLineRecordRepository,
-    private val itemsRepository: ItemsRepository
+    private val itemsRepository: ItemsRepository,
 ) {
     open fun searchDoLiteByPage(
     code: String?,
@@ -1064,26 +1068,31 @@ open class DeliveryOrderService(
     @Throws(IOException::class)
     @Transactional
     open fun exportDeliveryNote(request: ExportDeliveryNoteRequest): Map<String, Any> {
-
-        // INPUT STREAM SETUP
-        val DELIVERYNOTE_PDF = "DeliveryNote/DeliveryNotePDF.jrxml"
-        val resource = ClassPathResource(DELIVERYNOTE_PDF)
-        if (!resource.exists()) {
-            throw FileNotFoundException("Report file not found: $DELIVERYNOTE_PDF")
-        }
-
-        val inputStream = resource.inputStream
-        val deliveryNote = JasperCompileManager.compileReport(inputStream)
+        val tAll0 = System.nanoTime()
+        val tJ0 = System.nanoTime()
+        val deliveryNote = deliveryNoteJasperTemplate
+        val jasperGetMs = (System.nanoTime() - tJ0) / 1_000_000.0
 
         val fields = mutableListOf<MutableMap<String, Any>>()
         val params = mutableMapOf<String, Any>()
 
-        // DRAFT & RECORD SEPARATION
-        if (request.isDraft) {
-            return exportDeliveryNoteFromDraft(request, deliveryNote, fields, params)
+        val tFill0 = System.nanoTime()
+        val result = if (request.isDraft) {
+            exportDeliveryNoteFromDraft(request, deliveryNote, fields, params)
         } else {
-            return exportDeliveryNoteFromRecord(request, deliveryNote, fields, params)
-        }
+            exportDeliveryNoteFromRecord(request, deliveryNote, fields, params)
+        }
+        val fillDataMs = (System.nanoTime() - tFill0) / 1_000_000.0
+        val totalMs = (System.nanoTime() - tAll0) / 1_000_000.0
+        log.info(
+            "DeliveryNote export timing: jasperGetMs={} fillDataMs={} totalMs={} doPickOrderId={} isDraft={}",
+            jasperGetMs,
+            fillDataMs,
+            totalMs,
+            request.doPickOrderId,
+            request.isDraft,
+        )
+        return result
     }
 
     // DRAFT
@@ -1413,6 +1422,7 @@ open class DeliveryOrderService(
     //Print Delivery Note
     @Transactional
     open fun printDeliveryNote(request: PrintDeliveryNoteRequest) {
+        val t0 = System.nanoTime()
         val printer =
             printerService.findById(request.printerId) ?: throw java.util.NoSuchElementException("No such printer")
 
@@ -1429,15 +1439,30 @@ open class DeliveryOrderService(
         val tempPdfFile = File.createTempFile("print_job_", ".pdf")
 
         try {
+            val t1 = System.nanoTime()
             JasperExportManager.exportReportToPdfFile(jasperPrint, tempPdfFile.absolutePath)
+            val exportPdfToFileMs = (System.nanoTime() - t1) / 1_000_000.0
 
             val printQty = if (request.printQty == null || request.printQty <= 0) 1 else request.printQty
 
+            val t2 = System.nanoTime()
             printer.ip?.let { ip ->
                 val port = printer.port ?: 9100
                 val driver = A4PrintDriverRegistry.getDriver(printer.brand)
                 driver.print(tempPdfFile, ip, port, printQty)
             }
+            val printToPrinterMs = (System.nanoTime() - t2) / 1_000_000.0
+            val totalMs = (System.nanoTime() - t0) / 1_000_000.0
+            log.info(
+                "DeliveryNote print-DN timing: exportPdfToFileMs={} printToPrinterMs={} totalMs={} doPickOrderId={} printerId={} printQty={} printerIp={}",
+                exportPdfToFileMs,
+                printToPrinterMs,
+                totalMs,
+                request.doPickOrderId,
+                request.printerId,
+                printQty,
+                printer.ip ?: "null",
+            )
             updateRecordCartonQty(request.doPickOrderId, request.numOfCarton)
         } finally {
             //tempPdfFile.delete()
@@ -2146,5 +2171,19 @@ val inventoryLotLine = illId?.let { inventoryLotLineMap[it] }
             problems = problems
         )
     }
+
+    private companion object {
+        private val log: Logger = LoggerFactory.getLogger(DeliveryOrderService::class.java)
+
+        private const val DELIVERYNOTE_JRXML = "DeliveryNote/DeliveryNotePDF.jrxml"
+
+        /** Compile once; avoids per-request JRXML recompilation (shared by download + print). */
+        private val deliveryNoteJasperTemplate: JasperReport by lazy {
+            val resource = ClassPathResource(DELIVERYNOTE_JRXML)
+            if (!resource.exists()) {
+                throw FileNotFoundException("Report file not found: $DELIVERYNOTE_JRXML")
+            }
+            resource.inputStream.use { inputStream -> JasperCompileManager.compileReport(inputStream) }
+        }
+    }
 }
-    

src/main/java/com/ffii/fpsms/modules/deliveryOrder/web/DeliveryOrderController.kt

@@ -44,6 +44,7 @@ import com.ffii.fpsms.modules.deliveryOrder.web.models.Check4FTruckBatchResponse
 import com.ffii.fpsms.modules.deliveryOrder.web.models.DoSearchRowResponse
 import com.ffii.fpsms.modules.deliveryOrder.entity.models.DeliveryOrderInfoLite
 import com.ffii.fpsms.modules.deliveryOrder.entity.models.DeliveryOrderInfoLiteDto
+import org.slf4j.LoggerFactory
 
 @RequestMapping("/do")
 @RestController
@@ -53,6 +54,8 @@ class DeliveryOrderController(
     private val doPickOrderService: DoPickOrderService,
     
 ) {
+    private val log = LoggerFactory.getLogger(javaClass)
+
     @PostMapping("/search-do-lite")
     fun searchDoLite(@RequestBody request: SearchDeliveryOrderInfoRequest): RecordsRes<DeliveryOrderInfoLiteDto> {
         println("DEBUG: searchDoLite - request: code=${request.code}, shopName=${request.shopName}, status=${request.status}")
@@ -233,13 +236,25 @@ class DeliveryOrderController(
     @PostMapping("/DN")
     @Throws(UnsupportedEncodingException::class, NoSuchMessageException::class, ParseException::class, Exception::class)
     fun printDN(@Valid @RequestBody request: ExportDeliveryNoteRequest, response: HttpServletResponse){
+        val t0 = System.nanoTime()
         response.characterEncoding = "utf-8"
         response.contentType = "application/pdf"
         val out: OutputStream = response.outputStream
         val pdf = deliveryOrderService.exportDeliveryNote(request)
         val jasperPrint = pdf["report"] as JasperPrint
         response.addHeader("filename", "${pdf["filename"]}.pdf")
-        out.write(JasperExportManager.exportReportToPdf(jasperPrint))
+        val t1 = System.nanoTime()
+        val bytes = JasperExportManager.exportReportToPdf(jasperPrint)
+        val jasperExportToPdfBytesMs = (System.nanoTime() - t1) / 1_000_000.0
+        out.write(bytes)
+        val totalHttpMs = (System.nanoTime() - t0) / 1_000_000.0
+        log.info(
+            "DeliveryNote POST /do/DN (download) timing: jasperExportToPdfBytesMs={} totalResponseMs={} doPickOrderId={} isDraft={}",
+            jasperExportToPdfBytesMs,
+            totalHttpMs,
+            request.doPickOrderId,
+            request.isDraft,
+        )
     }
 
     @GetMapping("/print-DN")

src/main/java/com/ffii/fpsms/modules/master/print/A4PrintDriverRegistry.kt

@@ -3,7 +3,7 @@ package com.ffii.fpsms.modules.master.print
 object A4PrintDriverRegistry {
     private val drivers = mapOf(
         "Canon" to CanonA4Driver(),
-        "Brother" to BrotherA4Driver()
+        "Brother" to BrotherA4Driver(),
     )
     private val defaultDriver = CanonA4Driver()