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Neels Hofmeyr nhofmeyr at sysmocom.deTweak the hardcoded default ports/interfaces for the test.
Sponsored-by: On-Waves ehf
---
openbsc/configure.ac | 1 +
openbsc/src/gprs/gtphub_main.c | 14 ++++----
openbsc/tests/Makefile.am | 2 +-
openbsc/tests/gtphub/Makefile.am | 3 ++
openbsc/tests/gtphub/gtphub_nc_test.ok | 7 ++++
openbsc/tests/gtphub/gtphub_nc_test.sh | 58 ++++++++++++++++++++++++++++++++++
openbsc/tests/testsuite.at | 7 ++++
7 files changed, 85 insertions(+), 7 deletions(-)
create mode 100644 openbsc/tests/gtphub/Makefile.am
create mode 100644 openbsc/tests/gtphub/gtphub_nc_test.ok
create mode 100755 openbsc/tests/gtphub/gtphub_nc_test.sh
diff --git a/openbsc/configure.ac b/openbsc/configure.ac
index 78302dd..7809feb 100644
--- a/openbsc/configure.ac
+++ b/openbsc/configure.ac
@@ -209,6 +209,7 @@ AC_OUTPUT(
tests/trau/Makefile
tests/sgsn/Makefile
tests/subscr/Makefile
+ tests/gtphub/Makefile
doc/Makefile
doc/examples/Makefile
Makefile)
diff --git a/openbsc/src/gprs/gtphub_main.c b/openbsc/src/gprs/gtphub_main.c
index aa35952..f8bcd59 100644
--- a/openbsc/src/gprs/gtphub_main.c
+++ b/openbsc/src/gprs/gtphub_main.c
@@ -227,16 +227,18 @@ int main(int argc, char **argv)
int rc;
- const char* clients_addr_str = "localhost";
- uint16_t clients_port = 3386;
+ /* Which local interface to use to listen for GTP clients */
+ const char* clients_addr_str = "127.0.0.3";
+ uint16_t clients_port = 2123;
- const char* server_addr_str = "localhost";
- uint16_t server_port = 1234;
+ /* Where the GTP server sits that we're relaying for */
+ const char* server_addr_str = "127.0.0.2";
+ uint16_t server_port = 2123;
/* Which local interface to use to listen for the GTP server's
* responses */
- const char* server_rx_addr_str = "localhost";
- uint16_t server_rx_port = 4321;
+ const char* server_rx_addr_str = "127.0.0.4";
+ uint16_t server_rx_port = 2123;
rc = osmo_sockaddr_init(&server_addr, &server_addr_len,
AF_UNSPEC, SOCK_DGRAM, IPPROTO_UDP, server_addr_str, server_port);
diff --git a/openbsc/tests/Makefile.am b/openbsc/tests/Makefile.am
index 773830b..7dda124 100644
--- a/openbsc/tests/Makefile.am
+++ b/openbsc/tests/Makefile.am
@@ -1,4 +1,4 @@
-SUBDIRS = gsm0408 db channel mgcp gprs abis gbproxy trau subscr
+SUBDIRS = gsm0408 db channel mgcp gprs abis gbproxy trau subscr gtphub
if BUILD_NAT
SUBDIRS += bsc-nat bsc-nat-trie
diff --git a/openbsc/tests/gtphub/Makefile.am b/openbsc/tests/gtphub/Makefile.am
new file mode 100644
index 0000000..d53c19d
--- /dev/null
+++ b/openbsc/tests/gtphub/Makefile.am
@@ -0,0 +1,3 @@
+EXTRA_DIST = \
+ gtphub_nc_test.sh \
+ gtphub_nc_test.ok
diff --git a/openbsc/tests/gtphub/gtphub_nc_test.ok b/openbsc/tests/gtphub/gtphub_nc_test.ok
new file mode 100644
index 0000000..e4f641b
--- /dev/null
+++ b/openbsc/tests/gtphub/gtphub_nc_test.ok
@@ -0,0 +1,7 @@
+--- recv_server:
+[msg 1: client to server]
+OK
+--- recv_client:
+[msg 2: server to client]
+OK
+done
diff --git a/openbsc/tests/gtphub/gtphub_nc_test.sh b/openbsc/tests/gtphub/gtphub_nc_test.sh
new file mode 100755
index 0000000..179bad7
--- /dev/null
+++ b/openbsc/tests/gtphub/gtphub_nc_test.sh
@@ -0,0 +1,58 @@
+#!/usr/bin/env bash
+# gtphub_nc_test.sh
+
+# TODO does this work with all relevant netcat implementations?
+# TODO skip if netcat not found?
+
+gtphub_bin="$1"
+if [ ! -x "$gtphub_bin" ]; then
+ echo "executable not found: $gtphub_bin"
+ exit 1;
+fi
+
+# client osmo-gtphub gtp server
+# 127.0.0.1:9876 <--> 127.0.0.3:2123 | 127.0.0.4:2123 <--> 127.0.0.2 2123
+# (netcat) ($gtphub_bin) (netcat)
+
+# start gtphub relay
+"$gtphub_bin" &
+sleep 0.1
+
+# log what reaches client and server
+nc --recv-only -u -l -p 9876 -s 127.0.0.1 > recv_client &
+nc --recv-only -u -l -p 2123 -s 127.0.0.2 > recv_server &
+sleep .1
+
+# send test messages, both ways
+msg1="[msg 1: client to server]"
+echo "$msg1" | nc --send-only -u -s 127.0.0.1 -p 9876 127.0.0.3 2123
+
+msg2="[msg 2: server to client]"
+echo "$msg2" | nc --send-only -u -s 127.0.0.2 -p 2123 127.0.0.4 2123
+
+sleep .1
+kill %1 %2 %3
+
+# log what has reached the server and client ends, matched against
+# gtphub_nc_test.ok
+retval=0
+echo "--- recv_server:"
+cat recv_server
+if [ "$(cat recv_server)" == "$msg1" ]; then
+ echo "OK"
+else
+ echo "*** FAILURE"
+ retval=1
+fi
+
+echo "--- recv_client:"
+cat recv_client
+if [ "$(cat recv_client)" == "$msg2" ]; then
+ echo "OK"
+else
+ echo "*** FAILURE"
+ retval=2
+fi
+
+echo "done"
+exit "$retval"
diff --git a/openbsc/tests/testsuite.at b/openbsc/tests/testsuite.at
index 74aaef0..14d1f72 100644
--- a/openbsc/tests/testsuite.at
+++ b/openbsc/tests/testsuite.at
@@ -103,3 +103,10 @@ AT_CHECK([test "$enable_sgsn_test" != no || exit 77])
cat $abs_srcdir/sgsn/sgsn_test.ok > expout
AT_CHECK([$abs_top_builddir/tests/sgsn/sgsn_test], [], [expout], [ignore])
AT_CLEANUP
+
+AT_SETUP([gtphub])
+AT_KEYWORDS([gtphub])
+AT_CHECK([test "$enable_gtphub_test" != no || exit 77])
+cat $abs_srcdir/gtphub/gtphub_nc_test.ok > expout
+AT_CHECK([$abs_top_builddir/tests/gtphub/gtphub_nc_test.sh $abs_top_builddir/src/gprs/osmo-gtphub], [], [expout], [ignore])
+AT_CLEANUP
--
2.1.4