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authorGarrett D'Amore <garrett@damore.org>2020-01-18 10:42:55 -0800
committerGarrett D'Amore <garrett@damore.org>2020-01-18 10:44:58 -0800
commitda94097f50dbee98367b65f8331c58dddbffa74b (patch)
treea4714e2d49f8941f6192fa9a3537753ccbdd955e /src/protocol/survey0/xrespond_test.c
parent0fbaea09f98c737e2e92cf71d44cc4ada8c91258 (diff)
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xrespond should use atomic TTL.
Diffstat (limited to 'src/protocol/survey0/xrespond_test.c')
-rw-r--r--src/protocol/survey0/xrespond_test.c443
1 files changed, 443 insertions, 0 deletions
diff --git a/src/protocol/survey0/xrespond_test.c b/src/protocol/survey0/xrespond_test.c
new file mode 100644
index 00000000..7b8196b6
--- /dev/null
+++ b/src/protocol/survey0/xrespond_test.c
@@ -0,0 +1,443 @@
+//
+// 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 <string.h>
+
+#include <nng/nng.h>
+#include <nng/protocol/survey0/respond.h>
+#include <nng/protocol/survey0/survey.h>
+
+#include <acutest.h>
+#include <testutil.h>
+
+#ifndef NNI_PROTO
+#define NNI_PROTO(x, y) (((x) << 4u) | (y))
+#endif
+
+static void
+test_xresp_identity(void)
+{
+ nng_socket s;
+ int p;
+ char * n;
+
+ TEST_NNG_PASS(nng_respondent0_open_raw(&s));
+ TEST_NNG_PASS(nng_getopt_int(s, NNG_OPT_PROTO, &p));
+ TEST_CHECK(p == NNI_PROTO(6u, 3u));
+ TEST_NNG_PASS(nng_getopt_int(s, NNG_OPT_PEER, &p));
+ TEST_CHECK(p == NNI_PROTO(6u, 2u));
+ TEST_NNG_PASS(nng_getopt_string(s, NNG_OPT_PROTONAME, &n));
+ TEST_CHECK(strcmp(n, "respondent") == 0);
+ nng_strfree(n);
+ TEST_CHECK(nng_getopt_string(s, NNG_OPT_PEERNAME, &n) == 0);
+ TEST_CHECK(strcmp(n, "surveyor") == 0);
+ nng_strfree(n);
+ TEST_CHECK(nng_close(s) == 0);
+}
+
+static void
+test_xresp_raw(void)
+{
+ nng_socket s;
+ bool b;
+
+ TEST_NNG_PASS(nng_respondent0_open_raw(&s));
+ TEST_NNG_PASS(nng_getopt_bool(s, NNG_OPT_RAW, &b));
+ TEST_CHECK(b);
+ TEST_NNG_PASS(nng_close(s));
+}
+
+static void
+test_xresp_no_context(void)
+{
+ nng_socket s;
+ nng_ctx ctx;
+
+ TEST_NNG_PASS(nng_respondent0_open_raw(&s));
+ TEST_NNG_FAIL(nng_ctx_open(&ctx, s), NNG_ENOTSUP);
+ TEST_NNG_PASS(nng_close(s));
+}
+
+static void
+test_xresp_poll_writeable(void)
+{
+ int fd;
+ nng_socket surv;
+ nng_socket resp;
+
+ TEST_NNG_PASS(nng_respondent0_open_raw(&resp));
+ TEST_NNG_PASS(nng_surveyor0_open(&surv));
+ TEST_NNG_PASS(nng_getopt_int(resp, NNG_OPT_SENDFD, &fd));
+ TEST_CHECK(fd >= 0);
+
+ // We are always writeable, even before connect. This is so that
+ // back-pressure from a bad peer can't trash others. We assume
+ // that peers won't send us requests faster than they can consume
+ // the answers. If they do, they will lose their answers.
+ TEST_CHECK(testutil_pollfd(fd) == true);
+
+ TEST_NNG_PASS(testutil_marry(surv, resp));
+
+ // Now it's writable.
+ TEST_CHECK(testutil_pollfd(fd) == true);
+
+ TEST_NNG_PASS(nng_close(surv));
+ TEST_NNG_PASS(nng_close(resp));
+}
+
+static void
+test_xresp_poll_readable(void)
+{
+ int fd;
+ nng_socket surv;
+ nng_socket resp;
+ nng_msg * msg;
+
+ TEST_NNG_PASS(nng_surveyor0_open(&surv));
+ TEST_NNG_PASS(nng_respondent0_open_raw(&resp));
+ TEST_NNG_PASS(nng_getopt_int(resp, NNG_OPT_RECVFD, &fd));
+ TEST_CHECK(fd >= 0);
+
+ // Not readable if not connected!
+ TEST_CHECK(testutil_pollfd(fd) == false);
+
+ // Even after connect (no message yet)
+ TEST_NNG_PASS(testutil_marry(surv, resp));
+ TEST_CHECK(testutil_pollfd(fd) == false);
+
+ // But once we send messages, it is.
+ // We have to send a request, in order to send a reply.
+ TEST_NNG_SEND_STR(surv, "abc");
+ testutil_sleep(100);
+
+ TEST_CHECK(testutil_pollfd(fd) == true);
+
+ // and receiving makes it no longer ready
+ TEST_NNG_PASS(nng_recvmsg(resp, &msg, 0));
+ nng_msg_free(msg);
+ TEST_CHECK(testutil_pollfd(fd) == false);
+
+ TEST_NNG_PASS(nng_close(surv));
+ TEST_NNG_PASS(nng_close(resp));
+}
+
+static void
+test_xresp_validate_peer(void)
+{
+ nng_socket s1, s2;
+ nng_stat * stats;
+ nng_stat * reject;
+ char addr[64];
+
+ testutil_scratch_addr("inproc", sizeof(addr), addr);
+
+ TEST_NNG_PASS(nng_respondent0_open_raw(&s1));
+ TEST_NNG_PASS(nng_respondent0_open(&s2));
+
+ TEST_NNG_PASS(nng_listen(s1, addr, NULL, 0));
+ TEST_NNG_PASS(nng_dial(s2, addr, NULL, NNG_FLAG_NONBLOCK));
+
+ testutil_sleep(100);
+ TEST_NNG_PASS(nng_stats_get(&stats));
+
+ TEST_CHECK(stats != NULL);
+ TEST_CHECK((reject = nng_stat_find_socket(stats, s1)) != NULL);
+ TEST_CHECK((reject = nng_stat_find(reject, "reject")) != NULL);
+
+ TEST_CHECK(nng_stat_type(reject) == NNG_STAT_COUNTER);
+ TEST_CHECK(nng_stat_value(reject) > 0);
+
+ TEST_NNG_PASS(nng_close(s1));
+ TEST_NNG_PASS(nng_close(s2));
+ nng_stats_free(stats);
+}
+
+static void
+test_xresp_close_pipe_before_send(void)
+{
+ nng_socket resp;
+ nng_socket surv;
+ nng_pipe p;
+ nng_aio * aio1;
+ nng_msg * m;
+
+ TEST_NNG_PASS(nng_respondent0_open_raw(&resp));
+ TEST_NNG_PASS(nng_surveyor0_open(&surv));
+ TEST_NNG_PASS(nng_setopt_ms(resp, NNG_OPT_RECVTIMEO, 1000));
+ TEST_NNG_PASS(nng_setopt_ms(resp, NNG_OPT_SENDTIMEO, 1000));
+ TEST_NNG_PASS(nng_setopt_ms(surv, NNG_OPT_SENDTIMEO, 1000));
+ TEST_NNG_PASS(nng_aio_alloc(&aio1, NULL, NULL));
+
+ TEST_NNG_PASS(testutil_marry(surv, resp));
+ TEST_NNG_SEND_STR(surv, "test");
+
+ nng_recv_aio(resp, aio1);
+ nng_aio_wait(aio1);
+ TEST_NNG_PASS(nng_aio_result(aio1));
+ TEST_CHECK((m = nng_aio_get_msg(aio1)) != NULL);
+ p = nng_msg_get_pipe(m);
+ TEST_NNG_PASS(nng_pipe_close(p));
+ TEST_NNG_PASS(nng_sendmsg(resp, m, 0));
+
+ TEST_NNG_PASS(nng_close(surv));
+ TEST_NNG_PASS(nng_close(resp));
+ nng_aio_free(aio1);
+}
+
+static void
+test_xresp_close_pipe_during_send(void)
+{
+ nng_socket resp;
+ nng_socket surv;
+ nng_pipe p;
+ nng_msg * m;
+
+ TEST_NNG_PASS(nng_respondent_open_raw(&resp));
+ TEST_NNG_PASS(nng_surveyor0_open_raw(&surv));
+ TEST_NNG_PASS(nng_setopt_ms(resp, NNG_OPT_RECVTIMEO, 1000));
+ TEST_NNG_PASS(nng_setopt_ms(resp, NNG_OPT_SENDTIMEO, 200));
+ TEST_NNG_PASS(nng_setopt_ms(surv, NNG_OPT_SENDTIMEO, 1000));
+ TEST_NNG_PASS(nng_setopt_int(resp, NNG_OPT_SENDBUF, 20));
+ TEST_NNG_PASS(nng_setopt_int(resp, NNG_OPT_RECVBUF, 20));
+ TEST_NNG_PASS(nng_setopt_int(surv, NNG_OPT_SENDBUF, 20));
+ TEST_NNG_PASS(nng_setopt_int(surv, NNG_OPT_RECVBUF, 1));
+
+ TEST_NNG_PASS(testutil_marry(surv, resp));
+
+ TEST_NNG_PASS(nng_msg_alloc(&m, 4));
+ TEST_NNG_PASS(nng_msg_append_u32(m, (unsigned) 0x81000000u));
+ TEST_NNG_PASS(nng_sendmsg(surv, m, 0));
+ TEST_NNG_PASS(nng_recvmsg(resp, &m, 0));
+ p = nng_msg_get_pipe(m);
+ nng_msg_free(m);
+
+ for (int i = 0; i < 100; i++) {
+ TEST_NNG_PASS(nng_msg_alloc(&m, 4));
+ TEST_NNG_PASS(nng_msg_header_append_u32(m, nng_pipe_id(p)));
+ TEST_NNG_PASS(
+ nng_msg_header_append_u32(m, (unsigned) i | 0x80000000u));
+ // xsrep does not exert back-pressure
+ TEST_NNG_PASS(nng_sendmsg(resp, m, 0));
+ }
+ TEST_NNG_PASS(nng_pipe_close(p));
+
+ TEST_NNG_PASS(nng_close(surv));
+ TEST_NNG_PASS(nng_close(resp));
+}
+
+static void
+test_xresp_close_during_recv(void)
+{
+ nng_socket resp;
+ nng_socket surv;
+ nng_msg * m;
+
+ TEST_NNG_PASS(nng_respondent0_open_raw(&resp));
+ TEST_NNG_PASS(nng_surveyor0_open_raw(&surv));
+ TEST_NNG_PASS(nng_setopt_ms(surv, NNG_OPT_RECVTIMEO, 1000));
+ TEST_NNG_PASS(nng_setopt_ms(surv, NNG_OPT_SENDTIMEO, 100));
+ TEST_NNG_PASS(nng_setopt_int(resp, NNG_OPT_RECVBUF, 5));
+ TEST_NNG_PASS(nng_setopt_int(surv, NNG_OPT_SENDBUF, 20));
+
+ TEST_NNG_PASS(testutil_marry(surv, resp));
+
+ for (unsigned i = 0; i < 100; i++) {
+ int rv;
+ TEST_NNG_PASS(nng_msg_alloc(&m, 4));
+ TEST_NNG_PASS(nng_msg_header_append_u32(m, i | 0x80000000u));
+ rv = nng_sendmsg(surv, m, 0);
+ if (rv == NNG_ETIMEDOUT) {
+ nng_msg_free(m);
+ break;
+ }
+ }
+ TEST_NNG_PASS(nng_close(surv));
+ TEST_NNG_PASS(nng_close(resp));
+}
+
+static void
+test_xresp_recv_aio_stopped(void)
+{
+ nng_socket resp;
+ nng_aio * aio;
+
+ TEST_NNG_PASS(nng_respondent0_open_raw(&resp));
+ TEST_NNG_PASS(nng_aio_alloc(&aio, NULL, NULL));
+
+ nng_aio_stop(aio);
+ nng_recv_aio(resp, aio);
+ nng_aio_wait(aio);
+ TEST_NNG_FAIL(nng_aio_result(aio), NNG_ECANCELED);
+ TEST_NNG_PASS(nng_close(resp));
+ nng_aio_free(aio);
+}
+
+static void
+test_xresp_send_no_header(void)
+{
+ nng_socket resp;
+ nng_socket surv;
+ nng_msg * m;
+
+ TEST_NNG_PASS(nng_surveyor0_open_raw(&surv));
+ TEST_NNG_PASS(nng_respondent0_open_raw(&resp));
+ TEST_NNG_PASS(nng_setopt_ms(resp, NNG_OPT_RECVTIMEO, 100));
+ TEST_NNG_PASS(nng_setopt_ms(surv, NNG_OPT_RECVTIMEO, 100));
+ TEST_NNG_PASS(nng_setopt_ms(resp, NNG_OPT_SENDTIMEO, 1000));
+ TEST_NNG_PASS(nng_setopt_ms(surv, NNG_OPT_SENDTIMEO, 1000));
+
+ TEST_NNG_PASS(testutil_marry(surv, resp));
+
+ TEST_NNG_PASS(nng_msg_alloc(&m, 4));
+ TEST_NNG_PASS(nng_sendmsg(resp, m, 0));
+ TEST_NNG_FAIL(nng_recvmsg(resp, &m, 0), NNG_ETIMEDOUT);
+
+ TEST_NNG_PASS(nng_close(surv));
+ TEST_NNG_PASS(nng_close(resp));
+}
+
+static void
+test_xresp_recv_garbage(void)
+{
+ nng_socket resp;
+ nng_socket surv;
+ nng_msg * m;
+
+ TEST_NNG_PASS(nng_respondent0_open_raw(&resp));
+ TEST_NNG_PASS(nng_surveyor0_open_raw(&surv));
+ TEST_NNG_PASS(nng_setopt_ms(resp, NNG_OPT_RECVTIMEO, 100));
+ TEST_NNG_PASS(nng_setopt_ms(resp, NNG_OPT_SENDTIMEO, 100));
+ TEST_NNG_PASS(nng_setopt_ms(surv, NNG_OPT_SENDTIMEO, 1000));
+
+ TEST_NNG_PASS(testutil_marry(surv, resp));
+
+ TEST_NNG_PASS(nng_msg_alloc(&m, 4));
+ TEST_NNG_PASS(nng_msg_append_u32(m, 1u));
+ TEST_NNG_PASS(nng_sendmsg(surv, m, 0));
+ TEST_NNG_FAIL(nng_recvmsg(resp, &m, 0), NNG_ETIMEDOUT);
+
+ TEST_NNG_PASS(nng_close(surv));
+ TEST_NNG_PASS(nng_close(resp));
+}
+
+static void
+test_xresp_ttl_option(void)
+{
+ nng_socket resp;
+ int v;
+ bool b;
+ size_t sz;
+ const char *opt = NNG_OPT_MAXTTL;
+
+ TEST_NNG_PASS(nng_respondent0_open_raw(&resp));
+
+ TEST_NNG_PASS(nng_setopt_int(resp, opt, 1));
+ TEST_NNG_FAIL(nng_setopt_int(resp, opt, 0), NNG_EINVAL);
+ TEST_NNG_FAIL(nng_setopt_int(resp, opt, -1), NNG_EINVAL);
+ TEST_NNG_FAIL(nng_setopt_int(resp, opt, 256), NNG_EINVAL);
+ TEST_NNG_PASS(nng_setopt_int(resp, opt, 3));
+ TEST_NNG_PASS(nng_getopt_int(resp, opt, &v));
+ TEST_CHECK(v == 3);
+ v = 0;
+ sz = sizeof(v);
+ TEST_NNG_PASS(nng_getopt(resp, opt, &v, &sz));
+ TEST_CHECK(v == 3);
+ TEST_CHECK(sz == sizeof(v));
+
+ TEST_CHECK(nng_setopt(resp, opt, "", 1) == NNG_EINVAL);
+ sz = 1;
+ TEST_CHECK(nng_getopt(resp, opt, &v, &sz) == NNG_EINVAL);
+ TEST_CHECK(nng_setopt_bool(resp, opt, true) == NNG_EBADTYPE);
+ TEST_CHECK(nng_getopt_bool(resp, opt, &b) == NNG_EBADTYPE);
+
+ TEST_CHECK(nng_close(resp) == 0);
+}
+
+static void
+test_xresp_ttl_drop(void)
+{
+ nng_socket resp;
+ nng_socket surv;
+ nng_msg * m;
+
+ TEST_NNG_PASS(nng_respondent0_open_raw(&resp));
+ TEST_NNG_PASS(nng_surveyor0_open_raw(&surv));
+ TEST_NNG_PASS(nng_setopt_int(resp, NNG_OPT_MAXTTL, 3));
+ TEST_NNG_PASS(nng_setopt_ms(resp, NNG_OPT_RECVTIMEO, 200));
+ TEST_NNG_PASS(nng_setopt_ms(surv, NNG_OPT_SENDTIMEO, 1000));
+
+ TEST_NNG_PASS(testutil_marry(surv, resp));
+
+ // Send messages. Note that xresp implicitly adds a hop on receive.
+
+ TEST_NNG_PASS(nng_msg_alloc(&m, 0));
+ TEST_NNG_PASS(nng_msg_append_u32(m, 1u)); // 2 hops
+ TEST_NNG_PASS(nng_msg_append_u32(m, 0x80000001u));
+ TEST_NNG_PASS(nng_msg_append(m, "PASS1", 6));
+ TEST_NNG_PASS(nng_sendmsg(surv, m, 0));
+
+ TEST_NNG_PASS(nng_msg_alloc(&m, 0));
+ TEST_NNG_PASS(nng_msg_append_u32(m, 1u)); // 4 hops -- discard!
+ TEST_NNG_PASS(nng_msg_append_u32(m, 2u));
+ TEST_NNG_PASS(nng_msg_append_u32(m, 3u));
+ TEST_NNG_PASS(nng_msg_append_u32(m, 0x80000002u));
+ TEST_NNG_PASS(nng_msg_append(m, "FAIL2", 6));
+ TEST_NNG_PASS(nng_sendmsg(surv, m, 0));
+
+ TEST_NNG_PASS(nng_msg_alloc(&m, 0));
+ TEST_NNG_PASS(nng_msg_append_u32(m, 1u)); // 3 hops - passes
+ TEST_NNG_PASS(nng_msg_append_u32(m, 2u));
+ TEST_NNG_PASS(nng_msg_append_u32(m, 0x80000003u));
+ TEST_NNG_PASS(nng_msg_append(m, "PASS3", 6));
+ TEST_NNG_PASS(nng_sendmsg(surv, m, 0));
+
+ TEST_NNG_PASS(nng_msg_alloc(&m, 0));
+ TEST_NNG_PASS(nng_msg_append_u32(m, 1u)); // 4 hops -- discard!
+ TEST_NNG_PASS(nng_msg_append_u32(m, 2u));
+ TEST_NNG_PASS(nng_msg_append_u32(m, 3u));
+ TEST_NNG_PASS(nng_msg_append_u32(m, 0x80000003u));
+ TEST_NNG_PASS(nng_msg_append(m, "FAIL4", 6));
+ TEST_NNG_PASS(nng_sendmsg(surv, m, 0));
+
+ // So on receive we should see 80000001 and 80000003.
+ TEST_NNG_PASS(nng_recvmsg(resp, &m, 0));
+ TEST_CHECK(nng_msg_header_len(m) == 12);
+ TEST_CHECK(nng_msg_len(m) == 6);
+ TEST_CHECK(strcmp(nng_msg_body(m), "PASS1") == 0);
+ nng_msg_free(m);
+
+ TEST_NNG_PASS(nng_recvmsg(resp, &m, 0));
+ TEST_CHECK(nng_msg_header_len(m) == 16); // 3 hops + ID
+ TEST_CHECK(nng_msg_len(m) == 6);
+ TEST_CHECK(strcmp(nng_msg_body(m), "PASS3") == 0);
+ nng_msg_free(m);
+
+ TEST_NNG_FAIL(nng_recvmsg(resp, &m, 0), NNG_ETIMEDOUT);
+
+ TEST_NNG_PASS(nng_close(surv));
+ TEST_NNG_PASS(nng_close(resp));
+}
+
+TEST_LIST = {
+ { "xrespond identity", test_xresp_identity },
+ { "xrespond raw", test_xresp_raw },
+ { "xrespond no context", test_xresp_no_context },
+ { "xrespond poll readable", test_xresp_poll_readable },
+ { "xrespond poll writable", test_xresp_poll_writeable },
+ { "xrespond validate peer", test_xresp_validate_peer },
+ { "xrespond close pipe before send", test_xresp_close_pipe_before_send },
+ { "xrespond close pipe during send", test_xresp_close_pipe_during_send },
+ { "xrespond close during recv", test_xresp_close_during_recv },
+ { "xrespond recv aio stopped", test_xresp_recv_aio_stopped },
+ { "xrespond send no header", test_xresp_send_no_header },
+ { "xrespond recv garbage", test_xresp_recv_garbage },
+ { "xrespond ttl option", test_xresp_ttl_option },
+ { "xrespond ttl drop", test_xresp_ttl_drop },
+ { NULL, NULL },
+};