From e3aa3fa4c65009c11a2c6982a78dfcd7756518f4 Mon Sep 17 00:00:00 2001
From: Jakob Ketterl <jakob.ketterl@gmx.de>
Date: Thu, 14 Jan 2021 22:54:59 +0100
Subject: [PATCH] implement wsprnet reporting, refs #62

---
 owrx/reporting.py |  7 ++++-
 owrx/wsjt.py      |  2 +-
 owrx/wsprnet.py   | 75 +++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 82 insertions(+), 2 deletions(-)
 create mode 100644 owrx/wsprnet.py

diff --git a/owrx/reporting.py b/owrx/reporting.py
index 3b14935..d6e0831 100644
--- a/owrx/reporting.py
+++ b/owrx/reporting.py
@@ -36,10 +36,15 @@ class ReportingEngine(object):
 
     def __init__(self):
         self.reporters = []
-        if Config.get()["pskreporter_enabled"]:
+        config = Config.get()
+        if config["pskreporter_enabled"]:
             # inline import due to circular dependencies
             from owrx.pskreporter import PskReporter
             self.reporters += [PskReporter()]
+        if config["wsprnet_enabled"]:
+            # inline import due to circular dependencies
+            from owrx.wsprnet import WsprnetReporter
+            self.reporters += [WsprnetReporter()]
 
     def stop(self):
         for r in self.reporters:
diff --git a/owrx/wsjt.py b/owrx/wsjt.py
index fd23550..6d2c800 100644
--- a/owrx/wsjt.py
+++ b/owrx/wsjt.py
@@ -273,4 +273,4 @@ class WsprDecoder(Decoder):
         m = WsprDecoder.wspr_splitter_pattern.match(msg)
         if m is None:
             return {}
-        return {"callsign": m.group(1), "locator": m.group(2)}
+        return {"callsign": m.group(1), "locator": m.group(2), "dbm": m.group(3)}
diff --git a/owrx/wsprnet.py b/owrx/wsprnet.py
new file mode 100644
index 0000000..5ba8535
--- /dev/null
+++ b/owrx/wsprnet.py
@@ -0,0 +1,75 @@
+from owrx.reporting import Reporter
+from owrx.version import openwebrx_version
+from owrx.config import Config
+from owrx.locator import Locator
+from queue import Queue, Full
+from urllib import request, parse
+import threading
+import logging
+from datetime import datetime, timezone
+
+logger = logging.getLogger(__name__)
+
+class Worker(threading.Thread):
+    def __init__(self, queue: Queue):
+        self.queue = queue
+        self.doRun = True
+        # some constants that we don't expect to change
+        config = Config.get()
+        self.callsign = config["wsprnet_callsign"]
+        self.locator = Locator.fromCoordinates(config["receiver_gps"])
+
+        super().__init__(daemon=True)
+
+    def run(self):
+        while self.doRun:
+            try:
+                spot = self.queue.get()
+                self.uploadSpot(spot)
+                self.queue.task_done()
+            except Exception:
+                logger.exception("Exception while uploading WSPRNet spot")
+
+    def uploadSpot(self, spot):
+        # function=wspr&date=210114&time=1732&sig=-15&dt=0.5&drift=0&tqrg=7.040019&tcall=DF2UU&tgrid=JN48&dbm=37&version=2.3.0-rc3&rcall=DD5JFK&rgrid=JN58SC&rqrg=7.040047&mode=2
+        # {'timestamp': 1610655960000, 'db': -23.0, 'dt': 0.3, 'freq': 7040048, 'drift': -1, 'msg': 'LA3JJ JO59 37', 'callsign': 'LA3JJ', 'locator': 'JO59', 'mode': 'WSPR'}
+        date = datetime.fromtimestamp(spot["timestamp"] / 1000, tz=timezone.utc)
+        data = parse.urlencode({
+            "function": "wspr",
+            "date": date.strftime("%y%m%d"),
+            "time": date.strftime("%H%M"),
+            "sig": spot["db"],
+            "dt": spot["dt"],
+            "drift": spot["drift"],
+            "tqrg": spot["freq"] / 1E6,
+            "tcall": spot["callsign"],
+            "tgrid": spot["locator"],
+            "dbm": spot["dbm"],
+            "version": openwebrx_version,
+            "rcall": self.callsign,
+            "rgrid": self.locator,
+            # mode 2 = WSPR 2 minutes
+            # TODO implement FST4W mode codes
+            "mode": 2
+        }).encode()
+        request.urlopen("http://wsprnet.org/post/", data)
+
+
+class WsprnetReporter(Reporter):
+    def __init__(self):
+        # max 100 entries
+        self.queue = Queue(100)
+        # single worker
+        Worker(self.queue).start()
+
+    def stop(self):
+        pass
+
+    def spot(self, spot):
+        try:
+            self.queue.put(spot, block=False)
+        except Full:
+            logger.warning("WSPRNet Queue overflow, one spot lost")
+
+    def getSupportedModes(self):
+        return ["WSPR"]