Review at https://gerrit.osmocom.org/7002
fake_trx/fake_trx.py: add options to enable field randomization
By default, both RSSI and ToA fields randomization is disabled.
Let's add command line options, which allow one to enable it.
Change-Id: Ieac63cc3aadef397906479a6179ba54a53a5311a
---
M src/target/fake_trx/fake_trx.py
1 file changed, 37 insertions(+), 4 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/osmocom-bb refs/changes/02/7002/1
diff --git a/src/target/fake_trx/fake_trx.py b/src/target/fake_trx/fake_trx.py
index bdc4c61..c9e427c 100755
--- a/src/target/fake_trx/fake_trx.py
+++ b/src/target/fake_trx/fake_trx.py
@@ -49,6 +49,12 @@
bts_base_port = 5700
bb_base_port = 6700
+ # BurstForwarder field randomization
+ randomize_dl_toa256 = False
+ randomize_ul_toa256 = False
+ randomize_dl_rssi = False
+ randomize_ul_rssi = False
+
def __init__(self):
self.print_copyright()
self.parse_argv()
@@ -74,12 +80,18 @@
self.bts_ctrl.pm = self.pm
self.bb_ctrl.pm = self.pm
- # BTS <-> BB burst forwarding
+ # Init DATA links
self.bts_data = UDPLink(self.bts_addr,
self.bts_base_port + 102, self.bts_base_port + 2)
self.bb_data = UDPLink(self.bb_addr,
self.bb_base_port + 102, self.bb_base_port + 2)
+
+ # BTS <-> BB burst forwarding
self.burst_fwd = BurstForwarder(self.bts_data, self.bb_data)
+ self.burst_fwd.randomize_dl_toa256 = self.randomize_dl_toa256
+ self.burst_fwd.randomize_ul_toa256 = self.randomize_ul_toa256
+ self.burst_fwd.randomize_dl_rssi = self.randomize_dl_rssi
+ self.burst_fwd.randomize_ul_rssi = self.randomize_ul_rssi
# Share a BurstForwarder instance between BTS and BB
self.bts_ctrl.burst_fwd = self.burst_fwd
@@ -137,7 +149,13 @@
" -R --bts-addr Set BTS remote address (default
%s)\n" \
" -r --bb-addr Set BB remote address (default
%s)\n" \
" -P --bts-base-port Set BTS base port number
(default %d)\n" \
- " -p --bb-base-port Set BB base port number
(default %d)\n"
+ " -p --bb-base-port Set BB base port number
(default %d)\n\n"
+
+ s += " Simulation\n" \
+ " --rand-dl-rssi Enable DL RSSI randomization\n"
\
+ " --rand-ul-rssi Enable UL RSSI randomization\n"
\
+ " --rand-dl-toa Enable DL ToA randomization\n"
\
+ " --rand-ul-toa Enable UL ToA randomization\n"
print(s % (self.bts_addr, self.bb_addr,
self.bts_base_port, self.bb_base_port))
@@ -149,8 +167,13 @@
try:
opts, args = getopt.getopt(sys.argv[1:],
"R:r:P:p:h",
- ["help", "bts-addr=", "bb-addr=",
- "bts-base-port=", "bb-base-port="])
+ [
+ "help",
+ "bts-addr=", "bb-addr=",
+ "bts-base-port=", "bb-base-port=",
+ "rand-dl-rssi", "rand-ul-rssi",
+ "rand-dl-toa", "rand-ul-toa",
+ ])
except getopt.GetoptError as err:
self.print_help("[!] " + str(err))
sys.exit(2)
@@ -170,6 +193,16 @@
elif o in ("-p", "--bb-base-port"):
self.bb_base_port = int(v)
+ # Message field randomization
+ elif o == "rand-dl-rssi":
+ self.randomize_dl_rssi = True
+ elif o == "rand-ul-rssi":
+ self.randomize_ul_rssi = True
+ elif o == "rand-dl-toa":
+ self.randomize_dl_toa256 = True
+ elif o == "rand-ul-toa":
+ self.randomize_ul_toa256 = True
+
# Ensure there is no overlap between ports
if self.bts_base_port == self.bb_base_port:
self.print_help("[!] BTS and BB base ports should be
different")
--
To view, visit https://gerrit.osmocom.org/7002
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Gerrit-MessageType: newchange
Gerrit-Change-Id: Ieac63cc3aadef397906479a6179ba54a53a5311a
Gerrit-PatchSet: 1
Gerrit-Project: osmocom-bb
Gerrit-Branch: fixeria/trx
Gerrit-Owner: Vadim Yanitskiy <axilira...@gmail.com>
