update
This commit is contained in:
Dwi Swandhana
+119
-102
@@ -679,6 +679,7 @@ def parse_and_save_vitek_result(raw_data, port_name="VITEK"):
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session.rollback()
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session.rollback()
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finally:
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finally:
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session.close()
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session.close()
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def create_vitek_order_message(order):
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def create_vitek_order_message(order):
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"""
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"""
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Membuat Frame Order Vitek sesuai Manual Ref 514937.
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Membuat Frame Order Vitek sesuai Manual Ref 514937.
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@@ -741,9 +742,17 @@ def manage_vitek_port(config):
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with serial.Serial(
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with serial.Serial(
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port=port_name,
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port=port_name,
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baudrate=config['baud_rate'],
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baudrate=config['baud_rate'],
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timeout=1
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timeout=2,
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bytesize=serial.EIGHTBITS,
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parity=serial.PARITY_NONE,
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stopbits=serial.STOPBITS_ONE,
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xonxoff=False,
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rtscts=False, # Pastikan flow control mati agar tidak blocking hardware
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dsrdtr=False
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) as ser:
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) as ser:
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ser.reset_input_buffer()
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ser.reset_output_buffer()
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print(f"[{port_name}] Port Connected. Waiting activity...")
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while True:
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while True:
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has_activity = False # Penanda agar kita sleep kalau sepi
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has_activity = False # Penanda agar kita sleep kalau sepi
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@@ -753,47 +762,63 @@ def manage_vitek_port(config):
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try:
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try:
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if ser.in_waiting > 0:
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if ser.in_waiting > 0:
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has_activity = True
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has_activity = True
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data_chunk = ser.read(ser.in_waiting or 1024)
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char = ser.read(1)
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#data_chunk = ser.read(ser.in_waiting or 1024)
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# 1. HANDLE HANDSHAKE (ENQ -> ACK)
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if char == b'\x05': # ENQ
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logging.info(f"[{port_name}] Terima ENQ. Kirim ACK.")
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print(f"[{port_name}] Terima ENQ. Kirim ACK.")
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ser.write(b'\x06') # ACK
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rx_buffer = b"" # Siap terima frame baru
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continue
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if data_chunk:
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# 2. HANDLE END OF TRANSMISSION (EOT)
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# 1. Handle Handshake Awal (ENQ) - Alat minta izin kirim
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elif char == b'\x04': # EOT
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if b'\x05' in data_chunk:
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logging.info(f"[{port_name}] Sesi Selesai (EOT).")
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logging.info(f"[{port_name}] Terima ENQ. Kirim ACK.")
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print(f"[{port_name}] Sesi Selesai (EOT).")
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print(f"[{port_name}] Terima ENQ. Kirim ACK.")
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# Jika masih ada sisa buffer yang belum diproses (jarang terjadi jika logic benar), proses disini
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ser.write(b'\x06') # ACK
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rx_buffer = b""
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rx_buffer = b"" # Reset buffer bytes
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continue
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continue
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# 2. Tampung Data
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rx_buffer += data_chunk
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# 3. Cek apakah Frame Selesai?
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# 3. HANDLE DATA FRAME
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# Vitek biasanya mengirim per baris diakhiri LF (\n) atau CR (\r)
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else:
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# Atau Frame diakhiri ETX (\x03)
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rx_buffer += char
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# Kita kirim ACK setiap kali ada tanda akhir baris/frame agar alat lanjut kirim
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if ser.in_waiting:
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if b'\x03' in data_chunk or b'\n' in data_chunk or b'\r' in data_chunk:
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rx_buffer += ser.read(ser.in_waiting)
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ser.write(b'\x06') # ACK data yang baru masuk
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if b'\x03' in rx_buffer:
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# Cek apakah sudah ada CRLF (akhir mutlak)
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if rx_buffer.endswith(b'\n'):
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logging.info(f"[{port_name}] Frame Lengkap diterima. KIRIM ACK!")
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print(f"[{port_name}] Frame Lengkap diterima. KIRIM ACK!")
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# --- KRITIKAL: KIRIM ACK SEKARANG JUGA ---
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# Jangan tunggu EOT. Kirim ACK per frame agar Vitek lanjut ke pesan berikutnya (antibiotik)
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ser.write(b'\x06')
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# -----------------------------------------
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# Proses Data
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try:
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full_str = rx_buffer.decode('latin-1', errors='ignore')
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logging.info(f"[{port_name}] Data: {full_str[:50]}...")
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print(f"[{port_name}] Data: {full_str[:50]}...")
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# Panggil parser Vitek
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if len(full_str) > 5:
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parse_and_save_vitek_result(full_str, alat_name)
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except Exception as e:
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logging.error(f"Error Parse: {e}")
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print(f"Error Parse: {e}")
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# Kosongkan buffer untuk frame berikutnya
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rx_buffer = b""
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# 4. Handle Akhir Transmisi (EOT) - Selesai
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# Safety: Jika buffer kepenuhan sampah (lebih dari 4KB) tanpa framing, buang.
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if b'\x04' in data_chunk:
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if len(rx_buffer) > 5000:
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logging.info(f"[{port_name}] Terima EOT. Memproses data...")
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logging.warning(f"[{port_name}] Buffer overflow/Garbage. Reset.")
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print(f"[{port_name}] Buffer overflow/Garbage. Reset.")
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# Decode saat data sudah lengkap (gunakan latin-1)
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rx_buffer = b""
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try:
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full_str = rx_buffer.decode('latin-1', errors='ignore')
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parse_and_save_vitek_result(full_str, alat_name)
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except Exception as e:
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logging.error(f"[{port_name}] Error Decoding/Parsing: {e}")
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print(f"[{port_name}] Error Decoding/Parsing: {e}")
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rx_buffer = b"" # Bersihkan buffer
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continue
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except Exception as e:
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except Exception as e:
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logging.error(f"[{port_name}] Error Reading: {e}")
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logging.error(f"[{port_name}] Error Reading: {e}")
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print(f"[{port_name}] Error Reading: {e}")
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print(f"[{port_name}] Error Reading: {e}")
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rx_buffer = b"" # Reset jika error parah
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rx_buffer = b"" # Reset jika error parah
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# ==========================================
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# ==========================================
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# PHASE 2: SENDING ORDER (JIKA BUFFER KOSONG)
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# PHASE 2: SENDING ORDER (JIKA BUFFER KOSONG)
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# ==========================================
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# ==========================================
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@@ -810,80 +835,72 @@ def manage_vitek_port(config):
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has_activity = True # Jangan sleep lama-lama
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has_activity = True # Jangan sleep lama-lama
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logging.info(f"[{port_name}] Menemukan Order: {pending_order.rnoreg}. Memulai Handshake...")
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logging.info(f"[{port_name}] Menemukan Order: {pending_order.rnoreg}. Memulai Handshake...")
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print(f"[{port_name}] Menemukan Order: {pending_order.rnoreg}. Memulai Handshake...")
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print(f"[{port_name}] Menemukan Order: {pending_order.rnoreg}. Memulai Handshake...")
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# --- STEP 1: HANDSHAKE (ENQ) ---
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handshake_success = False
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ser.reset_input_buffer()
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handshake_attempts = 0
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ser.write(b'\x05')
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while handshake_attempts < 3:
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time.sleep(0.5)
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# --- STEP 1: HANDSHAKE (ENQ) ---
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ser.reset_input_buffer()
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# Baca balasan (tunggu ACK)
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ser.write(b'\x05')
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ack_response = ser.read(1)
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time.sleep(0.5)
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response = ser.read(1)
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if ack_response == b'\x06':
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logging.info(f"[{port_name}] Handshake dengan {alat_name}Sukses. Kirim Data...")
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print(f"[{port_name}] Handshake dengan {alat_name} Sukses. Kirim Data...")
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time.sleep(1.0) # Jeda aman
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frames = create_vitek_order_message(pending_order)
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all_success = True
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# --- STEP 2: SEND FRAMES ---
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for i, frame in enumerate(frames):
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retry = 0
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frame_sent = False
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while retry < 3:
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logging.info(f"[{port_name}] Kirim Frame (Try {retry+1}): {frame}")
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print(f"[{port_name}] Kirim Frame (Try {retry+1}): {frame}")
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ser.write(frame)
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# Tunggu ACK
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start_wait = time.time()
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response = None
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while time.time() - start_wait < 3: # Timeout 3 detik
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if ser.in_waiting:
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response = ser.read(1)
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break
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if response == b'\x06': # ACK
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logging.info(f"[{port_name}] Frame ACK (OK).")
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print(f"[{port_name}] Frame ACK (OK).")
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frame_sent = True
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break
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elif response == b'\x15': # NAK
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logging.warning(f"[{port_name}] Dibalas NAK (Checksum/Format Salah).")
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print(f"[{port_name}] Dibalas NAK (Checksum/Format Salah).")
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time.sleep(1)
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retry += 1
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elif response is None: # TIMEOUT
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logging.warning(f"[{port_name}] Timeout (Alat tidak membalas). Cek Framing/Kabel.")
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print(f"[{port_name}] Timeout (Alat tidak membalas). Cek Framing/Kabel.")
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retry += 1
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else: # Respon Aneh
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logging.warning(f"[{port_name}] Respon aneh: {response}")
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print(f"[{port_name}] Respon aneh: {response}")
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retry += 1
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if not frame_sent:
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if response == b'\x06': # ACK received
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all_success = False
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handshake_success = True
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break
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elif response == b'\x15': # NAK (Alat nolak)
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logging.warning(f"[{port_name}] Dibalas NAK. Tunggu 2 detik...")
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time.sleep(2)
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else:
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# Timeout atau respon aneh
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# logging.debug(f"[{port_name}] No ACK (Got: {response}). Retry {handshake_attempts+1}...")
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pass
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handshake_attempts += 1
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time.sleep(1) # Jeda antar percobaan
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if handshake_success:
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# === SUKSES HANDSHAKE, KIRIM DATA ===
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logging.info(f"[{port_name}] Handshake OK. Sending Frames...")
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frames = create_vitek_order_message(pending_order)
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all_frames_sent = True
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for frame in frames:
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ser.write(frame)
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# Tunggu ACK Frame
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t_wait = time.time()
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got_ack = False
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while time.time() - t_wait < 3: # 3 detik timeout per frame
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if ser.in_waiting:
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if ser.read(1) == b'\x06':
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got_ack = True
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break
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if not got_ack:
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logging.error(f"[{port_name}] Frame Timeout/NoACK. Abort.")
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all_frames_sent = False
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break
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break
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# --- STEP 3: TERMINATE (EOT) ---
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# Tutup Sesi
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ser.write(b'\x04')
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ser.write(b'\x04') # EOT
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if all_success:
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if all_frames_sent:
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logging.info(f"[{port_name}] Order {pending_order.rnoreg} SELESAI.")
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logging.info(f"[{port_name}] Order Sukses Terkirim.")
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print(f"[{port_name}] Order {pending_order.rnoreg} SELESAI.")
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setattr(pending_order, flag_col, True)
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setattr(pending_order, flag_col, True)
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session.commit()
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session.commit()
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else:
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else:
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logging.error(f"[{port_name}] Gagal kirim order {pending_order.rnoreg}.")
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logging.warning(f"[{port_name}] Order Gagal Tengah Jalan.")
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print(f"[{port_name}] Gagal kirim order {pending_order.rnoreg}.")
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else:
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# Handshake gagal (Alat sibuk/Mati)
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# logging.debug(f"[{port_name}] Alat sibuk/tidak balas ENQ.")
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print(f"[{port_name}] Alat sibuk/tidak balas ENQ.")
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pass
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else:
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# === GAGAL HANDSHAKE 3x -> FORCE RESET ALAT ===
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# Inilah solusi masalah "Stuck" Anda
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logging.warning(f"[{port_name}] ALAT STUCK/SIBUK. Mengirim FORCE EOT (Reset State)...")
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print(f"[{port_name}] ALAT STUCK -> FORCE RESET.")
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ser.write(b'\x04') # Kirim EOT paksa
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time.sleep(2) # Beri waktu alat bernafas
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ser.reset_input_buffer() # Buang sampah sisa
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# Kita tidak update DB, biar loop berikutnya coba lagi
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session.close()
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session.close()
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except Exception as e:
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except Exception as e:
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@@ -897,7 +914,7 @@ def manage_vitek_port(config):
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# Jika tidak ada data masuk dan tidak ada order keluar, tidur sebentar
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# Jika tidak ada data masuk dan tidak ada order keluar, tidur sebentar
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# Ini penting agar CPU tidak 100% dan DB tidak jebol
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# Ini penting agar CPU tidak 100% dan DB tidak jebol
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if not has_activity:
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if not has_activity:
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time.sleep(1.0)
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time.sleep(0.5)
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except Exception as e:
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except Exception as e:
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logging.critical(f"[{port_name}] Gagal connect Serial: {e}")
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logging.critical(f"[{port_name}] Gagal connect Serial: {e}")
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Block a user