fixes #1345 Restructure the source tree

This is not quite complete, but it sets the stage for other
protocols (such as zmq or mqtt) to be added to the project.

1 files changed, 264 insertions, 0 deletions

diff --git a/src/sp/protocol/pipeline0/pull_test.c b/src/sp/protocol/pipeline0/pull_test.c
new file mode 100644
index 00000000..25066093
--- /dev/null
+++ b/src/sp/protocol/pipeline0/pull_test.c
@@ -0,0 +1,264 @@
+//
+// Copyright 2020 Staysail Systems, Inc. <info@staysail.tech>
+//
+// This software is supplied under the terms of the MIT License, a
+// copy of which should be located in the distribution where this
+// file was obtained (LICENSE.txt).  A copy of the license may also be
+// found online at https://opensource.org/licenses/MIT.
+//
+
+#include <nuts.h>
+
+static void
+test_pull_identity(void)
+{
+	nng_socket s;
+	int        p;
+	char *     n;
+
+	NUTS_PASS(nng_pull0_open(&s));
+	NUTS_PASS(nng_socket_get_int(s, NNG_OPT_PROTO, &p));
+	NUTS_TRUE(p == NUTS_PROTO(5u, 1u)); // 81
+	NUTS_PASS(nng_socket_get_int(s, NNG_OPT_PEER, &p));
+	NUTS_TRUE(p == NUTS_PROTO(5u, 0u)); // 80
+	NUTS_PASS(nng_socket_get_string(s, NNG_OPT_PROTONAME, &n));
+	NUTS_MATCH(n, "pull");
+	nng_strfree(n);
+	NUTS_PASS(nng_socket_get_string(s, NNG_OPT_PEERNAME, &n));
+	NUTS_MATCH(n, "push");
+	nng_strfree(n);
+	NUTS_CLOSE(s);
+}
+
+static void
+test_pull_cannot_send(void)
+{
+	nng_socket s;
+
+	NUTS_PASS(nng_pull0_open(&s));
+	NUTS_FAIL(nng_send(s, "", 0, 0), NNG_ENOTSUP);
+	NUTS_CLOSE(s);
+}
+
+static void
+test_pull_no_context(void)
+{
+	nng_socket s;
+	nng_ctx    ctx;
+
+	NUTS_PASS(nng_pull0_open(&s));
+	NUTS_FAIL(nng_ctx_open(&ctx, s), NNG_ENOTSUP);
+	NUTS_CLOSE(s);
+}
+
+static void
+test_pull_not_writeable(void)
+{
+	int        fd;
+	nng_socket s;
+
+	NUTS_PASS(nng_pull0_open(&s));
+	NUTS_FAIL(nng_socket_get_int(s, NNG_OPT_SENDFD, &fd), NNG_ENOTSUP);
+	NUTS_CLOSE(s);
+}
+
+static void
+test_pull_poll_readable(void)
+{
+	int        fd;
+	nng_socket pull;
+	nng_socket push;
+
+	NUTS_PASS(nng_pull0_open(&pull));
+	NUTS_PASS(nng_push0_open(&push));
+	NUTS_PASS(nng_socket_set_ms(pull, NNG_OPT_RECVTIMEO, 1000));
+	NUTS_PASS(nng_socket_set_ms(push, NNG_OPT_SENDTIMEO, 1000));
+	NUTS_PASS(nng_socket_get_int(pull, NNG_OPT_RECVFD, &fd));
+	NUTS_TRUE(fd >= 0);
+
+	// Not readable if not connected!
+	NUTS_TRUE(nuts_poll_fd(fd) == false);
+
+	// Even after connect (no message yet)
+	NUTS_MARRY(pull, push);
+	NUTS_TRUE(nuts_poll_fd(fd) == false);
+
+	// But once we send messages, it is.
+	// We have to send a request, in order to send a reply.
+	NUTS_SEND(push, "abc");
+	NUTS_SLEEP(100);
+	NUTS_TRUE(nuts_poll_fd(fd));
+
+	// and receiving makes it no longer ready
+	NUTS_RECV(pull, "abc");
+	NUTS_TRUE(nuts_poll_fd(fd) == false);
+
+	NUTS_CLOSE(pull);
+	NUTS_CLOSE(push);
+}
+
+static void
+test_pull_close_pending(void)
+{
+	int        fd;
+	nng_socket pull;
+	nng_socket push;
+	nng_pipe   p1, p2;
+	char *     addr;
+
+	NUTS_ADDR(addr, "inproc");
+
+	NUTS_PASS(nng_pull0_open(&pull));
+	NUTS_PASS(nng_push0_open(&push));
+	NUTS_PASS(nng_socket_get_int(pull, NNG_OPT_RECVFD, &fd));
+	NUTS_TRUE(fd >= 0);
+	NUTS_MARRY_EX(pull, push, addr, &p1, &p2);
+
+	// Send a message -- it's ready for reading.
+	NUTS_SEND(push, "abc");
+	NUTS_SLEEP(100);
+	NUTS_TRUE(nuts_poll_fd(fd));
+
+	// NB: We have to close the pipe instead of the socket.
+	// This is because the socket won't notice the remote pipe
+	// disconnect until we collect the message and start another
+	// receive operation.
+	nng_pipe_close(p1);
+	nng_pipe_close(p2);
+
+	NUTS_SLEEP(100);
+	NUTS_TRUE(nuts_poll_fd(fd) == false);
+
+	NUTS_CLOSE(pull);
+	NUTS_CLOSE(push);
+}
+
+void
+test_pull_validate_peer(void)
+{
+	nng_socket s1, s2;
+	nng_stat * stats;
+	nng_stat * reject;
+	char *     addr;
+
+	NUTS_ADDR(addr, "inproc");
+
+	NUTS_PASS(nng_pull0_open(&s1));
+	NUTS_PASS(nng_pull0_open(&s2));
+
+	NUTS_PASS(nng_listen(s1, addr, NULL, 0));
+	NUTS_PASS(nng_dial(s2, addr, NULL, NNG_FLAG_NONBLOCK));
+
+	NUTS_SLEEP(100);
+	NUTS_PASS(nng_stats_get(&stats));
+
+	NUTS_TRUE(stats != NULL);
+	NUTS_TRUE((reject = nng_stat_find_socket(stats, s1)) != NULL);
+	NUTS_TRUE((reject = nng_stat_find(reject, "reject")) != NULL);
+
+	NUTS_TRUE(nng_stat_type(reject) == NNG_STAT_COUNTER);
+	NUTS_TRUE(nng_stat_value(reject) > 0);
+
+	NUTS_CLOSE(s1);
+	NUTS_CLOSE(s2);
+	nng_stats_free(stats);
+}
+
+static void
+test_pull_recv_aio_stopped(void)
+{
+	nng_socket s;
+	nng_aio *  aio;
+
+	NUTS_PASS(nng_pull0_open(&s));
+	NUTS_PASS(nng_aio_alloc(&aio, NULL, NULL));
+
+	nng_aio_stop(aio);
+	nng_recv_aio(s, aio);
+	nng_aio_wait(aio);
+	NUTS_FAIL(nng_aio_result(aio), NNG_ECANCELED);
+	NUTS_CLOSE(s);
+	nng_aio_free(aio);
+}
+
+static void
+test_pull_close_recv(void)
+{
+	nng_socket s;
+	nng_aio *  aio;
+
+	NUTS_PASS(nng_pull0_open(&s));
+	NUTS_PASS(nng_aio_alloc(&aio, NULL, NULL));
+	nng_aio_set_timeout(aio, 1000);
+	nng_recv_aio(s, aio);
+	NUTS_PASS(nng_close(s));
+	nng_aio_wait(aio);
+	NUTS_FAIL(nng_aio_result(aio), NNG_ECLOSED);
+
+	nng_aio_free(aio);
+}
+
+static void
+test_pull_recv_nonblock(void)
+{
+	nng_socket s;
+	nng_aio *  aio;
+
+	NUTS_PASS(nng_pull0_open(&s));
+	NUTS_PASS(nng_aio_alloc(&aio, NULL, NULL));
+
+	nng_aio_set_timeout(aio, 0); // Instant timeout
+	nng_recv_aio(s, aio);
+
+	nng_aio_wait(aio);
+	NUTS_FAIL(nng_aio_result(aio), NNG_ETIMEDOUT);
+	NUTS_CLOSE(s);
+	nng_aio_free(aio);
+}
+
+static void
+test_pull_recv_cancel(void)
+{
+	nng_socket s;
+	nng_aio *  aio;
+
+	NUTS_PASS(nng_pull0_open(&s));
+	NUTS_PASS(nng_aio_alloc(&aio, NULL, NULL));
+
+	nng_aio_set_timeout(aio, 1000);
+	nng_recv_aio(s, aio);
+	nng_aio_abort(aio, NNG_ECANCELED);
+
+	nng_aio_wait(aio);
+	NUTS_FAIL(nng_aio_result(aio), NNG_ECANCELED);
+	NUTS_CLOSE(s);
+	nng_aio_free(aio);
+}
+
+static void
+test_pull_cooked(void)
+{
+	nng_socket s;
+	bool       b;
+
+	NUTS_PASS(nng_pull0_open(&s));
+	NUTS_PASS(nng_socket_get_bool(s, NNG_OPT_RAW, &b));
+	NUTS_TRUE(!b);
+	NUTS_CLOSE(s);
+}
+
+TEST_LIST = {
+	{ "pull identity", test_pull_identity },
+	{ "pull cannot send", test_pull_cannot_send },
+	{ "pull no context", test_pull_no_context },
+	{ "pull not writeable", test_pull_not_writeable },
+	{ "pull poll readable", test_pull_poll_readable },
+	{ "pull close pending", test_pull_close_pending },
+	{ "pull validate peer", test_pull_validate_peer },
+	{ "pull recv aio stopped", test_pull_recv_aio_stopped },
+	{ "pull close recv", test_pull_close_recv },
+	{ "pull recv nonblock", test_pull_recv_nonblock },
+	{ "pull recv cancel", test_pull_recv_cancel },
+	{ "pull cooked", test_pull_cooked },
+	{ NULL, NULL },
+};