Wajahat Abbas
ublox-at-cellular-interface
Diff: TESTS/unit_tests/default/main.cpp
- Revision:
- 0:7ccf0e7e8a83
- Child:
- 1:bc228becc45d
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/TESTS/unit_tests/default/main.cpp Mon Jun 12 21:32:21 2017 +0000
@@ -0,0 +1,1070 @@
+#include "ublox_modem_driver/UbloxATCellularInterface.h"
+#include "greentea-client/test_env.h"
+#include "unity.h"
+#include "utest.h"
+#include "UDPSocket.h"
+#ifdef FEATURE_COMMON_PAL
+#include "mbed_trace.h"
+#define TRACE_GROUP "TEST"
+#else
+#define tr_debug(format, ...) debug(format, ## __VA_ARGS__)
+#define tr_info(format, ...) debug(format, ## __VA_ARGS__)
+#define tr_warn(format, ...) debug(format, ## __VA_ARGS__)
+#define tr_error(format, ...) debug(format, ## __VA_ARGS__)
+#endif
+
+using namespace utest::v1;
+
+// IMPORTANT!!! if you make a change to the tests here you should
+// check whether the same change should be made to the tests under
+// the GENERIC driver.
+
+// ----------------------------------------------------------------
+// COMPILE-TIME MACROS
+// ----------------------------------------------------------------
+
+// These macros can be overridden with an mbed_app.json file and
+// contents of the following form:
+//
+//{
+// "config": {
+// "default-pin": {
+// "value": "\"1234\""
+// }
+//}
+//
+// See the template_mbed_app.txt in this directory for a fuller example.
+
+// Whether debug trace is on
+#ifndef MBED_CONF_APP_DEBUG_ON
+# define MBED_CONF_APP_DEBUG_ON false
+#endif
+
+// Run the SIM change tests, which require the DEFAULT_PIN
+// above to be correct for the board on which the test
+// is being run (and the SIM PIN to be disabled before tests run).
+#ifndef MBED_CONF_APP_RUN_SIM_PIN_CHANGE_TESTS
+# define MBED_CONF_APP_RUN_SIM_PIN_CHANGE_TESTS 0
+#endif
+
+#if MBED_CONF_APP_RUN_SIM_PIN_CHANGE_TESTS
+# ifndef MBED_CONF_APP_DEFAULT_PIN
+# error "MBED_CONF_APP_DEFAULT_PIN must be defined to run the SIM tests"
+# endif
+# ifndef MBED_CONF_APP_ALT_PIN
+# error "MBED_CONF_APP_ALT_PIN must be defined to run the SIM tests"
+# endif
+# ifndef MBED_CONF_APP_INCORRECT_PIN
+# error "MBED_CONF_APP_INCORRECT_PIN must be defined to run the SIM tests"
+# endif
+#endif
+
+// The credentials of the SIM in the board.
+#ifndef MBED_CONF_APP_DEFAULT_PIN
+// Note: if PIN is enabled on your SIM, or you wish to run the SIM PIN change
+// tests, you must define the PIN for your SIM (see note above on using
+// mbed_app.json to do so).
+# define MBED_CONF_APP_DEFAULT_PIN "0000"
+#endif
+#ifndef MBED_CONF_APP_APN
+# define MBED_CONF_APP_APN NULL
+#endif
+#ifndef MBED_CONF_APP_USERNAME
+# define MBED_CONF_APP_USERNAME NULL
+#endif
+#ifndef MBED_CONF_APP_PASSWORD
+# define MBED_CONF_APP_PASSWORD NULL
+#endif
+
+// Alternate PIN to use during pin change testing
+#ifndef MBED_CONF_APP_ALT_PIN
+# define MBED_CONF_APP_ALT_PIN "9876"
+#endif
+
+// A PIN that is definitely incorrect
+#ifndef MBED_CONF_APP_INCORRECT_PIN
+# define MBED_CONF_APP_INCORRECT_PIN "1530"
+#endif
+
+// Servers and ports
+#ifdef MBED_CONF_APP_ECHO_SERVER
+# ifndef MBED_CONF_APP_ECHO_UDP_PORT
+# error "MBED_CONF_APP_ECHO_UDP_PORT (the port on which your echo server echoes UDP packets) must be defined"
+# endif
+# ifndef MBED_CONF_APP_ECHO_TCP_PORT
+# error "MBED_CONF_APP_ECHO_TCP_PORT (the port on which your echo server echoes TCP packets) must be defined"
+# endif
+#endif
+
+#ifndef MBED_CONF_APP_NTP_SERVER
+# define MBED_CONF_APP_NTP_SERVER "2.pool.ntp.org"
+#else
+# ifndef MBED_CONF_APP_NTP_PORT
+# error "MBED_CONF_APP_NTP_PORT must be defined if MBED_CONF_APP_NTP_SERVER is defined"
+# endif
+#endif
+#ifndef MBED_CONF_APP_NTP_PORT
+# define MBED_CONF_APP_NTP_PORT 123
+#endif
+
+#ifndef MBED_CONF_APP_LOCAL_PORT
+# define MBED_CONF_APP_LOCAL_PORT 15
+#endif
+
+// UDP packet size limit for testing
+#ifndef MBED_CONF_APP_UDP_MAX_PACKET_SIZE
+# define MBED_CONF_APP_UDP_MAX_PACKET_SIZE 1024
+#endif
+
+// The maximum size of UDP data fragmented across
+// multiple packets
+#ifndef MBED_CONF_APP_UDP_MAX_FRAG_PACKET_SIZE
+# define MBED_CONF_APP_UDP_MAX_FRAG_PACKET_SIZE 1500
+#endif
+
+// TCP packet size limit for testing
+#ifndef MBED_CONF_APP_MBED_CONF_APP_TCP_MAX_PACKET_SIZE
+# define MBED_CONF_APP_TCP_MAX_PACKET_SIZE 1500
+#endif
+
+// The number of retries for UDP exchanges
+#define NUM_UDP_RETRIES 5
+
+// How long to wait for stuff to travel in the async echo tests
+#define ASYNC_TEST_WAIT_TIME 10000
+
+// The maximum number of sockets that can be open at one time
+#define MAX_NUM_SOCKETS 7
+
+// ----------------------------------------------------------------
+// PRIVATE VARIABLES
+// ----------------------------------------------------------------
+
+#ifdef FEATURE_COMMON_PAL
+// Lock for debug prints
+static Mutex mtx;
+#endif
+
+// An instance of the cellular driver
+static UbloxATCellularInterface *driver =
+ new UbloxATCellularInterface(MDMTXD, MDMRXD,
+ MBED_CONF_UBLOX_CELL_BAUD_RATE,
+ MBED_CONF_APP_DEBUG_ON);
+
+// Connection flag
+static bool connection_has_gone_down = false;
+
+// Data to exchange
+static const char send_data[] = "_____0000:0123456789012345678901234567890123456789"
+ "01234567890123456789012345678901234567890123456789"
+ "_____0100:0123456789012345678901234567890123456789"
+ "01234567890123456789012345678901234567890123456789"
+ "_____0200:0123456789012345678901234567890123456789"
+ "01234567890123456789012345678901234567890123456789"
+ "_____0300:0123456789012345678901234567890123456789"
+ "01234567890123456789012345678901234567890123456789"
+ "_____0400:0123456789012345678901234567890123456789"
+ "01234567890123456789012345678901234567890123456789"
+ "_____0500:0123456789012345678901234567890123456789"
+ "01234567890123456789012345678901234567890123456789"
+ "_____0600:0123456789012345678901234567890123456789"
+ "01234567890123456789012345678901234567890123456789"
+ "_____0700:0123456789012345678901234567890123456789"
+ "01234567890123456789012345678901234567890123456789"
+ "_____0800:0123456789012345678901234567890123456789"
+ "01234567890123456789012345678901234567890123456789"
+ "_____0900:0123456789012345678901234567890123456789"
+ "01234567890123456789012345678901234567890123456789"
+ "_____1000:0123456789012345678901234567890123456789"
+ "01234567890123456789012345678901234567890123456789"
+ "_____1100:0123456789012345678901234567890123456789"
+ "01234567890123456789012345678901234567890123456789"
+ "_____1200:0123456789012345678901234567890123456789"
+ "01234567890123456789012345678901234567890123456789"
+ "_____1300:0123456789012345678901234567890123456789"
+ "01234567890123456789012345678901234567890123456789"
+ "_____1400:0123456789012345678901234567890123456789"
+ "01234567890123456789012345678901234567890123456789"
+ "_____1500:0123456789012345678901234567890123456789"
+ "01234567890123456789012345678901234567890123456789"
+ "_____1600:0123456789012345678901234567890123456789"
+ "01234567890123456789012345678901234567890123456789"
+ "_____1700:0123456789012345678901234567890123456789"
+ "01234567890123456789012345678901234567890123456789"
+ "_____1800:0123456789012345678901234567890123456789"
+ "01234567890123456789012345678901234567890123456789"
+ "_____1900:0123456789012345678901234567890123456789"
+ "01234567890123456789012345678901234567890123456789"
+ "_____2000:0123456789012345678901234567890123456789"
+ "01234567890123456789012345678901234567890123456789";
+
+// ----------------------------------------------------------------
+// PRIVATE FUNCTIONS
+// ----------------------------------------------------------------
+
+#ifdef FEATURE_COMMON_PAL
+// Locks for debug prints
+static void lock()
+{
+ mtx.lock();
+}
+
+static void unlock()
+{
+ mtx.unlock();
+}
+#endif
+
+// Callback in case the connection goes down
+static void connection_down_cb(nsapi_error_t err)
+{
+ connection_has_gone_down = true;
+}
+
+#ifdef MBED_CONF_APP_ECHO_SERVER
+// Make sure that size is greater than 0 and no more than limit,
+// useful since, when moduloing a very large number number,
+// compilers sometimes screw up and produce a small *negative*
+// number. Who knew? For example, GCC decided that
+// 492318453 (0x1d582ef5) modulo 508 was -47 (0xffffffd1).
+static int fix (int size, int limit)
+{
+ if (size <= 0) {
+ size = limit / 2; // better than 1
+ } else if (size > limit) {
+ size = limit;
+ }
+
+ return size;
+}
+
+// Do a UDP socket echo test to a given host of a given packet size
+static void do_udp_echo(UDPSocket *sock, SocketAddress *host_address, int size)
+{
+ bool success = false;
+ void * recv_data = malloc (size);
+ SocketAddress sender_address;
+ TEST_ASSERT(recv_data != NULL);
+
+ // Retry this a few times, don't want to fail due to a flaky link
+ for (int x = 0; !success && (x < NUM_UDP_RETRIES); x++) {
+ tr_debug("Echo testing UDP packet size %d byte(s), try %d.", size, x + 1);
+ if ((sock->sendto(*host_address, (void*) send_data, size) == size) &&
+ (sock->recvfrom(&sender_address, recv_data, size) == size)) {
+ TEST_ASSERT (memcmp(send_data, recv_data, size) == 0);
+ TEST_ASSERT (strcmp(sender_address.get_ip_address(), host_address->get_ip_address()) == 0);
+ TEST_ASSERT (sender_address.get_port() == host_address->get_port());
+ success = true;
+ }
+ }
+ TEST_ASSERT (success);
+ TEST_ASSERT(!connection_has_gone_down);
+
+ free (recv_data);
+}
+
+// The asynchronous callback
+static void async_cb(bool *callback_triggered)
+{
+
+ TEST_ASSERT (callback_triggered != NULL);
+ *callback_triggered = true;
+}
+
+// Do a UDP echo but using the asynchronous driver; we can exchange
+// packets longer in size than one UDP packet this way
+static void do_udp_echo_async(UDPSocket *sock, SocketAddress *host_address,
+ int size, bool *callback_triggered)
+{
+ void * recv_data = malloc (size);
+ int recv_size = 0;
+ SocketAddress sender_address;
+ Timer timer;
+ int x, y, z;
+ TEST_ASSERT(recv_data != NULL);
+
+ *callback_triggered = false;
+ for (y = 0; (recv_size < size) && (y < NUM_UDP_RETRIES); y++) {
+ tr_debug("Echo testing UDP packet size %d byte(s) async, try %d.", size, y + 1);
+ recv_size = 0;
+ // Retry this a few times, don't want to fail due to a flaky link
+ if (sock->sendto(*host_address, (void *) send_data, size) == size) {
+ // Wait for all the echoed data to arrive
+ timer.start();
+ while ((recv_size < size) && (timer.read_ms() < ASYNC_TEST_WAIT_TIME)) {
+ if (*callback_triggered) {
+ *callback_triggered = false;
+ x = sock->recvfrom(&sender_address, (char *) recv_data + recv_size, size);
+ if (x > 0) {
+ recv_size += x;
+ }
+ tr_debug("%d byte(s) echoed back so far, %d to go.", recv_size, size - recv_size);
+ TEST_ASSERT(strcmp(sender_address.get_ip_address(), host_address->get_ip_address()) == 0);
+ TEST_ASSERT(sender_address.get_port() == host_address->get_port());
+ }
+ wait_ms(10);
+ }
+ timer.stop();
+ timer.reset();
+
+ // If everything arrived back, check it's the same as we sent
+ if (recv_size == size) {
+ z = memcmp(send_data, recv_data, size);
+ if (z != 0) {
+ tr_debug("WARNING: mismatch, retrying");
+ tr_debug("Sent %d, |%*.*s|", size, size, size, send_data);
+ tr_debug("Rcvd %d, |%*.*s|", size, size, size, (char *) recv_data);
+ // If things don't match, it could be due to data loss (this is UDP
+ // you know...), so set recv_size to 0 to cause another try
+ recv_size = 0;
+ }
+ }
+ }
+ }
+
+ TEST_ASSERT(recv_size == size);
+ TEST_ASSERT(!connection_has_gone_down);
+
+ free (recv_data);
+}
+
+// Send an entire TCP data buffer until done
+static int sendAll(TCPSocket *sock, const char *data, int size)
+{
+ int x;
+ int count = 0;
+ Timer timer;
+
+ timer.start();
+ while ((count < size) && (timer.read_ms() < 10000)) {
+ x = sock->send(data + count, size - count);
+ if (x > 0) {
+ count += x;
+ tr_debug("%d byte(s) sent, %d left to send.", count, size - count);
+ }
+ wait_ms(10);
+ }
+ timer.stop();
+
+ return count;
+}
+
+// Do a TCP echo but using the asynchronous driver
+static void do_tcp_echo_async(TCPSocket *sock, int size, bool *callback_triggered)
+{
+ void * recv_data = malloc (size);
+ int recv_size = 0;
+ int x, y;
+ Timer timer;
+ TEST_ASSERT(recv_data != NULL);
+
+ *callback_triggered = false;
+ tr_debug("Echo testing TCP packet size %d byte(s) async.", size);
+ TEST_ASSERT (sendAll(sock, send_data, size) == size);
+
+ // Wait for all the echoed data to arrive
+ timer.start();
+ while ((recv_size < size) && (timer.read_ms() < ASYNC_TEST_WAIT_TIME)) {
+ if (*callback_triggered) {
+ *callback_triggered = false;
+ x = sock->recv((char *) recv_data + recv_size, size);
+ TEST_ASSERT(x > 0);
+ recv_size += x;
+ tr_debug("%d byte(s) echoed back so far, %d to go.", recv_size, size - recv_size);
+ }
+ wait_ms(10);
+ }
+ TEST_ASSERT(recv_size == size);
+ y = memcmp(send_data, recv_data, size);
+ if (y != 0) {
+ tr_debug("Sent %d, |%*.*s|", size, size, size, send_data);
+ tr_debug("Rcvd %d, |%*.*s|", size, size, size, (char *) recv_data);
+ TEST_ASSERT(false);
+ }
+ timer.stop();
+
+ TEST_ASSERT(!connection_has_gone_down);
+
+ free (recv_data);
+}
+#endif
+
+// Get NTP time from a socket
+static void do_ntp_sock (UDPSocket *sock, SocketAddress ntp_address)
+{
+ char ntp_values[48] = { 0 };
+ time_t timestamp = 0;
+ struct tm *localTime;
+ char timeString[25];
+ time_t TIME1970 = 2208988800U;
+ int len;
+ bool comms_done = false;
+
+ ntp_values[0] = '\x1b';
+
+ // Retry this a few times, don't want to fail due to a flaky link
+ for (unsigned int x = 0; !comms_done && (x < NUM_UDP_RETRIES); x++) {
+ sock->sendto(ntp_address, (void*) ntp_values, sizeof(ntp_values));
+ len = sock->recvfrom(&ntp_address, (void*) ntp_values, sizeof(ntp_values));
+ if (len > 0) {
+ comms_done = true;
+ }
+ }
+ TEST_ASSERT (comms_done);
+
+ tr_debug("UDP: %d byte(s) returned by NTP server.", len);
+ if (len >= 43) {
+ timestamp |= ((int) *(ntp_values + 40)) << 24;
+ timestamp |= ((int) *(ntp_values + 41)) << 16;
+ timestamp |= ((int) *(ntp_values + 42)) << 8;
+ timestamp |= ((int) *(ntp_values + 43));
+ timestamp -= TIME1970;
+ srand (timestamp);
+ tr_debug("srand() called");
+ localTime = localtime(×tamp);
+ if (localTime) {
+ if (strftime(timeString, sizeof(timeString), "%a %b %d %H:%M:%S %Y", localTime) > 0) {
+ printf("NTP timestamp is %s.\n", timeString);
+ }
+ }
+ }
+}
+
+// Get NTP time
+static void do_ntp(UbloxATCellularInterface *driver)
+{
+ UDPSocket sock;
+ SocketAddress host_address;
+
+ TEST_ASSERT(sock.open(driver) == 0)
+
+ TEST_ASSERT(driver->gethostbyname(MBED_CONF_APP_NTP_SERVER, &host_address) == 0);
+ host_address.set_port(MBED_CONF_APP_NTP_PORT);
+
+ tr_debug("UDP: NIST server %s address: %s on port %d.", MBED_CONF_APP_NTP_SERVER,
+ host_address.get_ip_address(), host_address.get_port());
+
+ sock.set_timeout(10000);
+
+ do_ntp_sock(&sock, host_address);
+
+ sock.close();
+}
+
+// Use a connection, checking that it is good
+static void use_connection(UbloxATCellularInterface *driver)
+{
+ const char * ip_address = driver->get_ip_address();
+ const char * net_mask = driver->get_netmask();
+ const char * gateway = driver->get_gateway();
+
+ TEST_ASSERT(driver->is_connected());
+
+ TEST_ASSERT(ip_address != NULL);
+ tr_debug ("IP address %s.", ip_address);
+ TEST_ASSERT(net_mask == NULL);
+ tr_debug ("Net mask %s.", net_mask);
+ TEST_ASSERT(gateway != NULL);
+ tr_debug ("Gateway %s.", gateway);
+
+ do_ntp(driver);
+ TEST_ASSERT(!connection_has_gone_down);
+}
+
+// Drop a connection and check that it has dropped
+static void drop_connection(UbloxATCellularInterface *driver)
+{
+ TEST_ASSERT(driver->disconnect() == 0);
+ TEST_ASSERT(connection_has_gone_down);
+ connection_has_gone_down = false;
+ TEST_ASSERT(!driver->is_connected());
+}
+
+// ----------------------------------------------------------------
+// TESTS
+// ----------------------------------------------------------------
+
+// Call srand() using the NTP server
+void test_set_randomise() {
+ UDPSocket sock;
+ SocketAddress host_address;
+
+ TEST_ASSERT(driver->connect(MBED_CONF_APP_DEFAULT_PIN, MBED_CONF_APP_APN,
+ MBED_CONF_APP_USERNAME, MBED_CONF_APP_PASSWORD) == 0);
+ do_ntp(driver);
+ TEST_ASSERT(!connection_has_gone_down);
+ drop_connection(driver);
+}
+
+#ifdef MBED_CONF_APP_ECHO_SERVER
+
+// Test UDP data exchange
+void test_udp_echo() {
+ UDPSocket sock;
+ SocketAddress host_address;
+ SocketAddress local_address;
+ int x;
+ int size;
+
+ TEST_ASSERT(driver->connect(MBED_CONF_APP_DEFAULT_PIN, MBED_CONF_APP_APN,
+ MBED_CONF_APP_USERNAME, MBED_CONF_APP_PASSWORD) == 0);
+
+ TEST_ASSERT(driver->gethostbyname(MBED_CONF_APP_ECHO_SERVER, &host_address) == 0);
+ host_address.set_port(MBED_CONF_APP_ECHO_UDP_PORT);
+
+ tr_debug("UDP: Server %s address: %s on port %d.", MBED_CONF_APP_ECHO_SERVER,
+ host_address.get_ip_address(), host_address.get_port());
+
+ TEST_ASSERT(sock.open(driver) == 0)
+
+ // Do a bind, just for the helluvit
+ local_address.set_port(MBED_CONF_APP_LOCAL_PORT);
+ TEST_ASSERT(sock.bind(local_address) == 0);
+
+ sock.set_timeout(10000);
+
+ // Test min, max, and some random sizes in-between
+ do_udp_echo(&sock, &host_address, 1);
+ do_udp_echo(&sock, &host_address, MBED_CONF_APP_UDP_MAX_PACKET_SIZE);
+ for (x = 0; x < 10; x++) {
+ size = (rand() % MBED_CONF_APP_UDP_MAX_PACKET_SIZE) + 1;
+ size = fix(size, MBED_CONF_APP_UDP_MAX_PACKET_SIZE);
+ do_udp_echo(&sock, &host_address, size);
+ }
+
+ sock.close();
+ drop_connection(driver);
+ tr_debug("%d UDP packets of size up to %d byte(s) echoed successfully.",
+ x, MBED_CONF_APP_UDP_MAX_PACKET_SIZE);
+}
+
+// Test many different sizes of UDP data arriving at once
+void test_udp_echo_recv_sizes() {
+ UDPSocket sock;
+ SocketAddress host_address;
+ int x, y, z;
+ int size;
+ int tries = 0;
+ unsigned int offset;
+ char * recv_data;
+ bool packetLoss;
+ bool sendSuccess;
+ Timer timer;
+
+ driver->deinit();
+ TEST_ASSERT(driver->connect(MBED_CONF_APP_DEFAULT_PIN, MBED_CONF_APP_APN,
+ MBED_CONF_APP_USERNAME, MBED_CONF_APP_PASSWORD) == 0);
+
+ TEST_ASSERT(driver->gethostbyname(MBED_CONF_APP_ECHO_SERVER, &host_address) == 0);
+ host_address.set_port(MBED_CONF_APP_ECHO_UDP_PORT);
+
+ tr_debug("UDP: Server %s address: %s on port %d.", MBED_CONF_APP_ECHO_SERVER,
+ host_address.get_ip_address(), host_address.get_port());
+
+ TEST_ASSERT(sock.open(driver) == 0)
+
+ do {
+ tr_debug("--- UDP packet size test, test try %d, flushing input buffers", tries + 1);
+ // First of all, clear any junk from the socket
+ sock.set_timeout(1000);
+ recv_data = (char *) malloc (MBED_CONF_APP_UDP_MAX_PACKET_SIZE);
+ TEST_ASSERT(recv_data != NULL);
+ while (sock.recvfrom(&host_address, (void *) recv_data, MBED_CONF_APP_UDP_MAX_PACKET_SIZE) > 0) {
+ // Throw it away
+ }
+ free (recv_data);
+
+ sock.set_timeout(10000);
+
+ // Throw random sized UDP packets up...
+ x = 0;
+ offset = 0;
+ while (offset < sizeof (send_data)) {
+ size = (rand() % (MBED_CONF_APP_UDP_MAX_PACKET_SIZE / 2)) + 1;
+ size = fix(size, MBED_CONF_APP_UDP_MAX_PACKET_SIZE / 2);
+ if (offset + size > sizeof (send_data)) {
+ size = sizeof (send_data) - offset;
+ }
+ sendSuccess = false;
+ for (y = 0; !sendSuccess && (y < NUM_UDP_RETRIES); y++) {
+ tr_debug("Sending UDP packet number %d, size %d byte(s), send try %d.", x + 1, size, y + 1);
+ if (sock.sendto(host_address, (void *) (send_data + offset), size) == size) {
+ sendSuccess = true;
+ offset += size;
+ }
+ }
+ TEST_ASSERT(sendSuccess);
+ x++;
+ }
+ tr_debug("--- All UDP packets sent");
+
+ // ...and capture them all again afterwards
+ recv_data = (char *) malloc (sizeof (send_data));
+ TEST_ASSERT(recv_data != NULL);
+ memset (recv_data, 0, sizeof (send_data));
+ size = 0;
+ y = 0;
+ packetLoss = false;
+ timer.start();
+ while ((size < (int) sizeof (send_data)) && (timer.read_ms() < 10000)) {
+ y = sock.recvfrom(&host_address, (void *) (recv_data + size), sizeof (send_data) - size);
+ if (y > 0) {
+ size += y;
+ }
+ }
+ timer.stop();
+ timer.reset();
+ tr_debug( "--- Either received everything back or timed out waiting");
+
+ // Check that we reassembled everything correctly
+ if (size == sizeof (send_data)) {
+ for (x = 0; ((*(recv_data + x) == *(send_data + x))) && (x < (int) sizeof (send_data)); x++) {
+ }
+ if (x != sizeof (send_data)) {
+ y = x - 5;
+ if (y < 0) {
+ y = 0;
+ }
+ z = 10;
+ if (y + z > (int) sizeof (send_data)) {
+ z = sizeof(send_data) - y;
+ }
+ tr_debug(" --- Difference at character %d (send \"%*.*s\", recv \"%*.*s\")",
+ x + 1, z, z, send_data + y, z, z, recv_data + y);
+ packetLoss = true;
+ }
+ } else {
+ tr_debug(" --- %d bytes missing (%d bytes received when %d were expected))",
+ sizeof (send_data) - size, size, sizeof (send_data));
+ packetLoss = true;
+ }
+ free (recv_data);
+ tries++;
+ } while (packetLoss && (tries < NUM_UDP_RETRIES));
+
+ TEST_ASSERT(!packetLoss);
+ TEST_ASSERT(!connection_has_gone_down);
+ sock.close();
+ drop_connection(driver);
+}
+
+// Test UDP data exchange via the asynchronous sigio() mechanism
+void test_udp_echo_async() {
+ UDPSocket sock;
+ SocketAddress host_address;
+ SocketAddress local_address;
+ bool callback_triggered = false;
+ int x;
+ int size;
+
+ driver->deinit();
+ TEST_ASSERT(driver->connect(MBED_CONF_APP_DEFAULT_PIN, MBED_CONF_APP_APN,
+ MBED_CONF_APP_USERNAME, MBED_CONF_APP_PASSWORD) == 0);
+
+ TEST_ASSERT(driver->gethostbyname(MBED_CONF_APP_ECHO_SERVER, &host_address) == 0);
+ host_address.set_port(MBED_CONF_APP_ECHO_UDP_PORT);
+
+ tr_debug("UDP: Server %s address: %s on port %d.", MBED_CONF_APP_ECHO_SERVER,
+ host_address.get_ip_address(), host_address.get_port());
+
+ TEST_ASSERT(sock.open(driver) == 0)
+
+ // Set up the async callback and set the timeout to zero
+ sock.sigio(callback(async_cb, &callback_triggered));
+ sock.set_timeout(0);
+
+ // Test min, max, and some random sizes in-between
+ // and this time allow the UDP packets to be fragmented
+ do_udp_echo_async(&sock, &host_address, 1, &callback_triggered);
+ do_udp_echo_async(&sock, &host_address, MBED_CONF_APP_UDP_MAX_FRAG_PACKET_SIZE,
+ &callback_triggered);
+ for (x = 0; x < 10; x++) {
+ size = (rand() % MBED_CONF_APP_UDP_MAX_FRAG_PACKET_SIZE) + 1;
+ size = fix(size, MBED_CONF_APP_UDP_MAX_FRAG_PACKET_SIZE);
+ do_udp_echo_async(&sock, &host_address, size, &callback_triggered);
+ }
+
+ sock.close();
+
+ drop_connection(driver);
+
+ tr_debug("%d UDP packets of size up to %d byte(s) echoed asynchronously and successfully.",
+ x, MBED_CONF_APP_UDP_MAX_FRAG_PACKET_SIZE);
+}
+
+// Test many different sizes of TCP data arriving at once
+void test_tcp_echo_recv_sizes() {
+ TCPSocket sock;
+ SocketAddress host_address;
+ int x, y, z;
+ int size;
+ unsigned int offset;
+ char * recv_data;
+ Timer timer;
+
+ driver->deinit();
+ TEST_ASSERT(driver->connect(MBED_CONF_APP_DEFAULT_PIN, MBED_CONF_APP_APN,
+ MBED_CONF_APP_USERNAME, MBED_CONF_APP_PASSWORD) == 0);
+
+ TEST_ASSERT(driver->gethostbyname(MBED_CONF_APP_ECHO_SERVER, &host_address) == 0);
+ host_address.set_port(MBED_CONF_APP_ECHO_TCP_PORT);
+
+ tr_debug("TCP: Server %s address: %s on port %d.", MBED_CONF_APP_ECHO_SERVER,
+ host_address.get_ip_address(), host_address.get_port());
+
+ TEST_ASSERT(sock.open(driver) == 0)
+
+ TEST_ASSERT(sock.connect(host_address) == 0);
+
+ sock.set_timeout(10000);
+
+ // Throw random sized TCP packets up...
+ x = 0;
+ offset = 0;
+ while (offset < sizeof (send_data)) {
+ size = (rand() % (MBED_CONF_APP_UDP_MAX_PACKET_SIZE / 2)) + 1;
+ size = fix(size, MBED_CONF_APP_UDP_MAX_PACKET_SIZE / 2);
+ if (offset + size > sizeof (send_data)) {
+ size = sizeof (send_data) - offset;
+ }
+ tr_debug("Sending TCP packet number %d, size %d byte(s).", x + 1, size);
+ TEST_ASSERT(sendAll(&sock, (send_data + offset), size) == size);
+ offset += size;
+ x++;
+ }
+
+ // ...and capture them all again afterwards
+ recv_data = (char *) malloc (sizeof (send_data));
+ TEST_ASSERT(recv_data != NULL);
+ memset (recv_data, 0, sizeof (send_data));
+ size = 0;
+ x = 0;
+ timer.start();
+ while ((size < (int) sizeof (send_data)) && (timer.read_ms() < 30000)) {
+ y = sock.recv((void *) (recv_data + size), sizeof (send_data) - size);
+ tr_debug("Received TCP packet number %d, size %d byte(s).", x, y);
+ size += y;
+ x++;
+ }
+ timer.stop();
+ timer.reset();
+
+ // Check that we reassembled everything correctly
+ for (x = 0; ((*(recv_data + x) == *(send_data + x))) && (x < (int) sizeof (send_data)); x++) {
+ }
+ if (x != sizeof (send_data)) {
+ y = x - 5;
+ if (y < 0) {
+ y = 0;
+ }
+ z = 10;
+ if (y + z > (int) sizeof (send_data)) {
+ z = sizeof(send_data) - y;
+ }
+ tr_debug("Difference at character %d (send \"%*.*s\", recv \"%*.*s\")",
+ x + 1, z, z, send_data + y, z, z, recv_data + y);
+ TEST_ASSERT(false);
+ }
+ free (recv_data);
+
+ TEST_ASSERT(!connection_has_gone_down);
+ sock.close();
+ drop_connection(driver);
+}
+
+// Test TCP data exchange via the asynchronous sigio() mechanism
+void test_tcp_echo_async() {
+ TCPSocket sock;
+ SocketAddress host_address;
+ bool callback_triggered = false;
+ int x;
+ int size;
+
+ driver->deinit();
+ TEST_ASSERT(driver->connect(MBED_CONF_APP_DEFAULT_PIN, MBED_CONF_APP_APN,
+ MBED_CONF_APP_USERNAME, MBED_CONF_APP_PASSWORD) == 0);
+
+ TEST_ASSERT(driver->gethostbyname(MBED_CONF_APP_ECHO_SERVER, &host_address) == 0);
+ host_address.set_port(MBED_CONF_APP_ECHO_TCP_PORT);
+
+ tr_debug("TCP: Server %s address: %s on port %d.", MBED_CONF_APP_ECHO_SERVER,
+ host_address.get_ip_address(), host_address.get_port());
+
+ TEST_ASSERT(sock.open(driver) == 0)
+
+ // Set up the async callback and set the timeout to zero
+ sock.sigio(callback(async_cb, &callback_triggered));
+ sock.set_timeout(0);
+
+ TEST_ASSERT(sock.connect(host_address) == 0);
+ // Test min, max, and some random sizes in-between
+ do_tcp_echo_async(&sock, 1, &callback_triggered);
+ do_tcp_echo_async(&sock, MBED_CONF_APP_TCP_MAX_PACKET_SIZE, &callback_triggered);
+ for (x = 0; x < 10; x++) {
+ size = (rand() % MBED_CONF_APP_TCP_MAX_PACKET_SIZE) + 1;
+ size = fix(size, MBED_CONF_APP_TCP_MAX_PACKET_SIZE);
+ do_tcp_echo_async(&sock, size, &callback_triggered);
+ }
+
+ sock.close();
+
+ drop_connection(driver);
+
+ tr_debug("%d TCP packets of size up to %d byte(s) echoed asynchronously and successfully.",
+ x, MBED_CONF_APP_TCP_MAX_PACKET_SIZE);
+}
+#endif
+
+// Allocate max sockets
+void test_max_sockets() {
+ UDPSocket sock[MAX_NUM_SOCKETS];
+ UDPSocket sockNone;
+ SocketAddress host_address;
+
+ TEST_ASSERT(driver->connect(MBED_CONF_APP_DEFAULT_PIN, MBED_CONF_APP_APN,
+ MBED_CONF_APP_USERNAME, MBED_CONF_APP_PASSWORD) == 0);
+
+ TEST_ASSERT(driver->gethostbyname(MBED_CONF_APP_NTP_SERVER, &host_address) == 0);
+ host_address.set_port(MBED_CONF_APP_NTP_PORT);
+
+ // Open the first socket and use it
+ TEST_ASSERT(sock[0].open(driver) == 0)
+ sock[0].set_timeout(10000);
+ do_ntp_sock(&sock[0], host_address);
+
+ // Check that we stop being able to get sockets at the max number
+ for (int x = 1; x < (int) (sizeof (sock) / sizeof (sock[0])); x++) {
+ TEST_ASSERT(sock[x].open(driver) == 0)
+ }
+ TEST_ASSERT(sockNone.open(driver) < 0);
+
+ // Now use the last one
+ sock[sizeof (sock) / sizeof (sock[0]) - 1].set_timeout(10000);
+ do_ntp_sock(&sock[sizeof (sock) / sizeof (sock[0]) - 1], host_address);
+
+ // Close all of the sockets
+ for (int x = 0; x < (int) (sizeof (sock) / sizeof (sock[0])); x++) {
+ TEST_ASSERT(sock[x].close() == 0);
+ }
+
+ drop_connection(driver);
+}
+
+// Connect with credentials included in the connect request
+void test_connect_credentials() {
+
+ driver->deinit();
+ TEST_ASSERT(driver->connect(MBED_CONF_APP_DEFAULT_PIN, MBED_CONF_APP_APN,
+ MBED_CONF_APP_USERNAME, MBED_CONF_APP_PASSWORD) == 0);
+ use_connection(driver);
+ drop_connection(driver);
+}
+
+// Test with credentials preset
+void test_connect_preset_credentials() {
+
+ driver->deinit();
+ TEST_ASSERT(driver->init(MBED_CONF_APP_DEFAULT_PIN));
+ driver->set_credentials(MBED_CONF_APP_APN, MBED_CONF_APP_USERNAME,
+ MBED_CONF_APP_PASSWORD);
+ TEST_ASSERT(driver->connect(MBED_CONF_APP_DEFAULT_PIN) == 0);
+ use_connection(driver);
+ drop_connection(driver);
+}
+
+// Test adding and using a SIM pin, then removing it, using the pending
+// mechanism where the change doesn't occur until connect() is called
+void test_check_sim_pin_pending() {
+
+ driver->deinit();
+
+ // Enable PIN checking (which will use the current PIN)
+ // and also flag that the PIN should be changed to MBED_CONF_APP_ALT_PIN,
+ // then try connecting
+ driver->set_sim_pin_check(true);
+ driver->set_new_sim_pin(MBED_CONF_APP_ALT_PIN);
+ TEST_ASSERT(driver->connect(MBED_CONF_APP_DEFAULT_PIN, MBED_CONF_APP_APN,
+ MBED_CONF_APP_USERNAME, MBED_CONF_APP_PASSWORD) == 0);
+ use_connection(driver);
+ drop_connection(driver);
+ driver->deinit();
+
+ // Now change the PIN back to what it was before
+ driver->set_new_sim_pin(MBED_CONF_APP_DEFAULT_PIN);
+ TEST_ASSERT(driver->connect(MBED_CONF_APP_ALT_PIN, MBED_CONF_APP_APN,
+ MBED_CONF_APP_USERNAME, MBED_CONF_APP_PASSWORD) == 0);
+ use_connection(driver);
+ drop_connection(driver);
+ driver->deinit();
+
+ // Check that it was changed back, and this time
+ // use the other way of entering the PIN
+ driver->set_sim_pin(MBED_CONF_APP_DEFAULT_PIN);
+ TEST_ASSERT(driver->connect(NULL, MBED_CONF_APP_APN, MBED_CONF_APP_USERNAME,
+ MBED_CONF_APP_PASSWORD) == 0);
+ use_connection(driver);
+ drop_connection(driver);
+ driver->deinit();
+
+ // Remove PIN checking again and check that it no
+ // longer matters what the PIN is
+ driver->set_sim_pin_check(false);
+ TEST_ASSERT(driver->connect(MBED_CONF_APP_DEFAULT_PIN, MBED_CONF_APP_APN,
+ MBED_CONF_APP_USERNAME, MBED_CONF_APP_PASSWORD) == 0);
+ use_connection(driver);
+ drop_connection(driver);
+ driver->deinit();
+ TEST_ASSERT(driver->init(NULL));
+ TEST_ASSERT(driver->connect(MBED_CONF_APP_INCORRECT_PIN, MBED_CONF_APP_APN,
+ MBED_CONF_APP_USERNAME, MBED_CONF_APP_PASSWORD) == 0);
+ use_connection(driver);
+ drop_connection(driver);
+
+ // Put the SIM pin back to the correct value for any subsequent tests
+ driver->set_sim_pin(MBED_CONF_APP_DEFAULT_PIN);
+}
+
+// Test adding and using a SIM pin, then removing it, using the immediate
+// mechanism
+void test_check_sim_pin_immediate() {
+
+ driver->deinit();
+ driver->connection_status_cb(connection_down_cb);
+
+ // Enable PIN checking (which will use the current PIN), change
+ // the PIN to MBED_CONF_APP_ALT_PIN, then try connecting after powering on and
+ // off the modem
+ driver->set_sim_pin_check(true, true, MBED_CONF_APP_DEFAULT_PIN);
+ driver->set_new_sim_pin(MBED_CONF_APP_ALT_PIN, true);
+ driver->deinit();
+ TEST_ASSERT(driver->init(NULL));
+ TEST_ASSERT(driver->connect(MBED_CONF_APP_ALT_PIN, MBED_CONF_APP_APN,
+ MBED_CONF_APP_USERNAME, MBED_CONF_APP_PASSWORD) == 0);
+ use_connection(driver);
+ drop_connection(driver);
+
+ driver->connection_status_cb(connection_down_cb);
+
+ // Now change the PIN back to what it was before
+ driver->set_new_sim_pin(MBED_CONF_APP_DEFAULT_PIN, true);
+ driver->deinit();
+ driver->set_sim_pin(MBED_CONF_APP_DEFAULT_PIN);
+ TEST_ASSERT(driver->init(NULL));
+ TEST_ASSERT(driver->connect(NULL, MBED_CONF_APP_APN, MBED_CONF_APP_USERNAME,
+ MBED_CONF_APP_PASSWORD) == 0);
+ use_connection(driver);
+ drop_connection(driver);
+
+ driver->connection_status_cb(connection_down_cb);
+
+ // Remove PIN checking again and check that it no
+ // longer matters what the PIN is
+ driver->set_sim_pin_check(false, true);
+ driver->deinit();
+ TEST_ASSERT(driver->init(MBED_CONF_APP_INCORRECT_PIN));
+ TEST_ASSERT(driver->connect(NULL, MBED_CONF_APP_APN, MBED_CONF_APP_USERNAME,
+ MBED_CONF_APP_PASSWORD) == 0);
+ use_connection(driver);
+ drop_connection(driver);
+
+ // Put the SIM pin back to the correct value for any subsequent tests
+ driver->set_sim_pin(MBED_CONF_APP_DEFAULT_PIN);
+}
+
+// Test being able to connect with a local instance of the driver
+// NOTE: since this local instance will fiddle with bits of HW that the
+// static instance thought it owned, the static instance will no longer
+// work afterwards, hence this must be run as the last test in the list
+void test_connect_local_instance_last_test() {
+
+ UbloxATCellularInterface *pLocalInterface = NULL;
+
+ pLocalInterface = new UbloxATCellularInterface(MDMTXD, MDMRXD,
+ MBED_CONF_UBLOX_CELL_BAUD_RATE,
+ MBED_CONF_APP_DEBUG_ON);
+ pLocalInterface->connection_status_cb(connection_down_cb);
+
+ TEST_ASSERT(pLocalInterface->connect(MBED_CONF_APP_DEFAULT_PIN, MBED_CONF_APP_APN,
+ MBED_CONF_APP_USERNAME, MBED_CONF_APP_PASSWORD) == 0);
+ use_connection(pLocalInterface);
+ drop_connection(pLocalInterface);
+ delete pLocalInterface;
+
+ pLocalInterface = new UbloxATCellularInterface(MDMTXD, MDMRXD,
+ MBED_CONF_UBLOX_CELL_BAUD_RATE,
+ MBED_CONF_APP_DEBUG_ON);
+ pLocalInterface->connection_status_cb(connection_down_cb);
+
+ TEST_ASSERT(pLocalInterface->connect(MBED_CONF_APP_DEFAULT_PIN, MBED_CONF_APP_APN,
+ MBED_CONF_APP_USERNAME, MBED_CONF_APP_PASSWORD) == 0);
+ use_connection(pLocalInterface);
+ drop_connection(pLocalInterface);
+ delete pLocalInterface;
+}
+
+// ----------------------------------------------------------------
+// TEST ENVIRONMENT
+// ----------------------------------------------------------------
+
+// Setup the test environment
+utest::v1::status_t test_setup(const size_t number_of_cases) {
+ // Setup Greentea with a timeout
+ GREENTEA_SETUP(960, "default_auto");
+ return verbose_test_setup_handler(number_of_cases);
+}
+
+// IMPORTANT!!! if you make a change to the tests here you should
+// check whether the same change should be made to the tests under
+// the GENERIC driver.
+
+// Test cases
+Case cases[] = {
+ Case("Set randomise", test_set_randomise),
+#ifdef MBED_CONF_APP_ECHO_SERVER
+ Case("UDP echo test", test_udp_echo),
+# ifndef TARGET_UBLOX_C027 // Not enough RAM on little 'ole C027 to run this test
+ Case("UDP recv sizes", test_udp_echo_recv_sizes),
+# endif
+ Case("UDP async echo test", test_udp_echo_async),
+# ifndef TARGET_UBLOX_C027 // Not enough RAM on little 'ole C027 to run this test
+ Case("TCP recv sizes", test_tcp_echo_recv_sizes),
+# endif
+ Case("TCP async echo test", test_tcp_echo_async),
+#endif
+#ifndef TARGET_UBLOX_C027 // Not enough RAM on little 'ole C027 to run this test
+ Case("Alloc max sockets", test_max_sockets),
+#endif
+ Case("Connect with credentials", test_connect_credentials),
+ Case("Connect with preset credentials", test_connect_preset_credentials),
+#if MBED_CONF_APP_RUN_SIM_PIN_CHANGE_TESTS
+ Case("Check SIM pin, pending", test_check_sim_pin_pending),
+ Case("Check SIM pin, immediate", test_check_sim_pin_immediate),
+#endif
+#ifndef TARGET_UBLOX_C027 // Not enough RAM on little 'ole C027 for this
+ Case("Connect using local instance, must be last test", test_connect_local_instance_last_test)
+#endif
+};
+
+Specification specification(test_setup, cases);
+
+// ----------------------------------------------------------------
+// MAIN
+// ----------------------------------------------------------------
+
+int main() {
+
+#ifdef FEATURE_COMMON_PAL
+ mbed_trace_init();
+
+ mbed_trace_mutex_wait_function_set(lock);
+ mbed_trace_mutex_release_function_set(unlock);
+#endif
+
+ driver->connection_status_cb(connection_down_cb);
+
+ // Run tests
+ return !Harness::run(specification);
+}
+
+// End Of File
+