Import SmartSource header data.

Provided that the SmartSource headers are being
saved to file, and that the path to those files
is present in the survey configuration, we now
import SmartSource information as metadata in
raw_shots.meta->'smsrc'.

Closes #19.

bin/datastore.py

@@ -438,6 +438,32 @@ class Datastore:
 
 		self.maybe_commit()
 
+	def save_raw_smsrc (self, records, fileinfo, filepath, filedata = None):
+
+		with self.conn.cursor() as cursor:
+			hash = self.add_file(filepath, cursor)
+
+			# Start by deleting any online data we may have for this sequence
+			# NOTE: Do I need to do this?
+			#self.del_hash("*online*", cursor)
+
+			# The shots should already exist, e.g., from a P1 import
+
+			values = [ (json.dumps(record), fileinfo["sequence"], record["shot"]) for record in records ]
+
+			qry = """
+				UPDATE raw_shots
+				SET meta = jsonb_set(meta, '{smsrc}', %s::jsonb, true)
+				WHERE sequence = %s AND point = %s;
+			"""
+
+			cursor.executemany(qry, values)
+
+			if filedata is not None:
+				self.save_file_data(filepath, json.dumps(filedata), cursor)
+
+		self.maybe_commit()
+
 
 	def save_file_data(self, path, filedata, cursor = None):
 		"""

bin/import_smsrc.py

@@ -0,0 +1,76 @@
+#!/usr/bin/python3
+
+"""
+Import SmartSource data.
+
+For each survey in configuration.surveys(), check for new
+or modified final gun header files and (re-)import them into the
+database.
+"""
+
+import os
+import sys
+import pathlib
+import re
+import configuration
+import smsrc
+from datastore import Datastore
+
+if __name__ == '__main__':
+
+	print("Reading configuration")
+	surveys = configuration.surveys()
+
+	print("Connecting to database")
+	db = Datastore()
+	db.connect()
+
+	print("Reading surveys")
+	for survey in surveys:
+		print(f'Survey: {survey["id"]} ({survey["schema"]})')
+
+		db.set_survey(survey["schema"])
+
+		try:
+			raw_smsrc = survey["raw"]["smsrc"]
+		except KeyError:
+			print("No SmartSource data configuration")
+			continue
+
+		flags = 0
+		if "flags" in raw_smsrc:
+			configuration.rxflags(raw_smsrc["flags"])
+
+		pattern = raw_smsrc["pattern"]
+		rx = re.compile(pattern["regex"], flags)
+
+		for fileprefix in raw_smsrc["paths"]:
+			print(f"Path prefix: {fileprefix}")
+
+			for globspec in raw_smsrc["globs"]:
+				for filepath in pathlib.Path(fileprefix).glob(globspec):
+					filepath = str(filepath)
+					print(f"Found {filepath}")
+
+					if not db.file_in_db(filepath):
+						print("Importing")
+
+						match = rx.match(os.path.basename(filepath))
+						if not match:
+							error_message = f"File path not matching the expected format! ({filepath} ~ {pattern['regex']})"
+							print(error_message, file=sys.stderr)
+							print("This file will be ignored!")
+							continue
+
+						file_info = dict(zip(pattern["captures"], match.groups()))
+
+						smsrc_records = smsrc.from_file(filepath)
+
+						print("Saving")
+
+						db.save_raw_smsrc(smsrc_records, file_info, filepath)
+					else:
+						print("Already in DB")
+
+	print("Done")
+

bin/runner.sh

@@ -95,6 +95,9 @@ run $BINDIR/import_final_p111.py
 print_log "Import final P1/90"
 run $BINDIR/import_final_p190.py
 
+print_log "Import SmartSource data"
+run $BINDIR/import_smsrc.py
+
 if [[ -z "$RUNNER_NOEXPORT" ]]; then
 	print_log "Export system data"
 	run $BINDIR/system_exports.py

bin/smsrc.py

@@ -0,0 +1,95 @@
+#!/usr/bin/python3
+
+"""
+SmartSource parsing functions.
+"""
+
+import mmap
+import struct
+from collections import namedtuple
+
+def _str (v):
+	return str(v, 'ascii').strip()
+
+def _tstamp (v):
+	return str(v) # TODO
+
+def _f10 (v):
+	return float(v)/10
+
+def _ignore (v):
+	return None
+
+st_smartsource_header = struct.Struct(">6s 4s 30s 10s 2s 1s 17s 1s 1s 2s 2s 2s 2s 2s 4s 6s 5s 5s 6s 4s 88s")
+
+fn_smartsource_header = (
+	_str, int, _str, int, int, _str, _tstamp, int, int, int, int, int, int, int, int, int,
+	float, float, float, int, _str
+)
+
+SmartsourceHeader = namedtuple("SmartsourceHeader", "header blk_siz line shot mask trg_mode time src_number num_subarray num_guns num_active num_delta num_auto num_nofire spread volume avg_delta std_delta baro_press manifold spare")
+
+st_smartsource_gun = struct.Struct(">1s 2s 1s 1s 1s 1s 1s 6s 6s 4s 4s 4s 4s 4s")
+
+fn_smartsource_gun = (
+	int, int, int, _str, _str, lambda v: v=="Y", _str,
+	_f10, _f10, _f10, _f10,
+	int, int, int
+)
+
+SmartsourceGun = namedtuple("SmartsourceGun", "string gun source mode detect autofire spare aim_point firetime delay depth pressure volume filltime")
+
+SmartSourceRecord = namedtuple("SmartSourceRecord", "header guns")
+
+def safe_apply (iter):
+	def safe_fn (fn, v):
+		try:
+			return fn(v)
+		except ValueError:
+			return None
+	return [safe_fn(v[0], v[1]) for v in iter]
+
+def _check_chunk_size(chunk, size):
+	return len(chunk) == size
+
+def from_file(path):
+
+	records = []
+
+	with open(path, "rb") as fd:
+		with mmap.mmap(fd.fileno(), length=0, access=mmap.ACCESS_READ) as buffer:
+
+			while True:
+
+				offset = buffer.find(b"*SMSRC")
+
+				if offset == -1:
+					break
+
+				buffer = buffer[offset:]
+				record, length = read_smartsource(buffer)
+
+				if record is not None:
+					records.append(record)
+
+				if length != 0:
+					buffer = buffer[length:]
+				else:
+					buffer = buffer[1:]
+
+	return records
+
+def read_smartsource(buffer):
+	length = 0
+	header = st_smartsource_header.unpack_from(buffer, 0)
+	length += st_smartsource_header.size
+	header = SmartsourceHeader(*safe_apply(zip(fn_smartsource_header, header)))
+	record = dict(header._asdict())
+	record["guns"] = []
+
+	for _ in range(header.num_guns):
+		gun = st_smartsource_gun.unpack_from(buffer, length)
+		record["guns"].append(SmartsourceGun(*safe_apply(zip(fn_smartsource_gun, gun))))
+		length += st_smartsource_gun.size
+
+	return (record, length)