diff options
Diffstat (limited to 'src/sp/protocol/reqrep0/xrep_test.c')
| -rw-r--r-- | src/sp/protocol/reqrep0/xrep_test.c | 434 |
1 files changed, 434 insertions, 0 deletions
diff --git a/src/sp/protocol/reqrep0/xrep_test.c b/src/sp/protocol/reqrep0/xrep_test.c new file mode 100644 index 00000000..6f1564eb --- /dev/null +++ b/src/sp/protocol/reqrep0/xrep_test.c @@ -0,0 +1,434 @@ +// +// 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_xrep_identity(void) +{ + nng_socket s; + int p1, p2; + char * n1; + char * n2; + + NUTS_PASS(nng_rep0_open_raw(&s)); + NUTS_PASS(nng_socket_get_int(s, NNG_OPT_PROTO, &p1)); + NUTS_PASS(nng_socket_get_int(s, NNG_OPT_PEER, &p2)); + NUTS_PASS(nng_socket_get_string(s, NNG_OPT_PROTONAME, &n1)); + NUTS_PASS(nng_socket_get_string(s, NNG_OPT_PEERNAME, &n2)); + NUTS_CLOSE(s); + NUTS_TRUE(p1 == NNG_REP0_SELF); + NUTS_TRUE(p2 == NNG_REP0_PEER); + NUTS_MATCH(n1, NNG_REP0_SELF_NAME); + NUTS_MATCH(n2, NNG_REP0_PEER_NAME); + nng_strfree(n1); + nng_strfree(n2); +} + +static void +test_xrep_raw(void) +{ + nng_socket s; + bool b; + + NUTS_PASS(nng_rep0_open_raw(&s)); + NUTS_PASS(nng_socket_get_bool(s, NNG_OPT_RAW, &b)); + NUTS_TRUE(b); + NUTS_CLOSE(s); +} + +static void +test_xrep_no_context(void) +{ + nng_socket s; + nng_ctx ctx; + + NUTS_PASS(nng_rep0_open_raw(&s)); + NUTS_FAIL(nng_ctx_open(&ctx, s), NNG_ENOTSUP); + NUTS_CLOSE(s); +} + +static void +test_xrep_poll_writeable(void) +{ + int fd; + nng_socket req; + nng_socket rep; + + NUTS_PASS(nng_rep0_open_raw(&rep)); + NUTS_PASS(nng_req0_open(&req)); + NUTS_PASS(nng_socket_get_int(rep, NNG_OPT_SENDFD, &fd)); + NUTS_TRUE(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. + NUTS_TRUE(nuts_poll_fd(fd) == true); + + NUTS_MARRY(req, rep); + + // Now it's writable. + NUTS_TRUE(nuts_poll_fd(fd) == true); + + NUTS_CLOSE(req); + NUTS_CLOSE(rep); +} + +static void +test_xrep_poll_readable(void) +{ + int fd; + nng_socket req; + nng_socket rep; + nng_msg * msg; + + NUTS_PASS(nng_req0_open(&req)); + NUTS_PASS(nng_rep0_open_raw(&rep)); + NUTS_PASS(nng_socket_get_int(rep, 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(req, rep); + 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(req, "abc"); + NUTS_SLEEP(100); + + NUTS_TRUE(nuts_poll_fd(fd) == true); + + // and receiving makes it no longer ready + NUTS_PASS(nng_recvmsg(rep, &msg, 0)); + nng_msg_free(msg); + NUTS_TRUE(nuts_poll_fd(fd) == false); + + NUTS_CLOSE(req); + NUTS_CLOSE(rep); +} + +static void +test_xrep_validate_peer(void) +{ + nng_socket s1, s2; + nng_stat * stats; + nng_stat * reject; + char *addr; + + NUTS_ADDR(addr, "inproc"); + + NUTS_PASS(nng_rep0_open_raw(&s1)); + NUTS_PASS(nng_rep0_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_PASS(nng_close(s1)); + NUTS_PASS(nng_close(s2)); + nng_stats_free(stats); +} + +static void +test_xrep_close_pipe_before_send(void) +{ + nng_socket rep; + nng_socket req; + nng_pipe p; + nng_aio * aio1; + nng_msg * m; + + NUTS_PASS(nng_rep0_open_raw(&rep)); + NUTS_PASS(nng_req0_open(&req)); + NUTS_PASS(nng_socket_set_ms(rep, NNG_OPT_RECVTIMEO, 1000)); + NUTS_PASS(nng_socket_set_ms(rep, NNG_OPT_SENDTIMEO, 1000)); + NUTS_PASS(nng_socket_set_ms(req, NNG_OPT_SENDTIMEO, 1000)); + NUTS_PASS(nng_aio_alloc(&aio1, NULL, NULL)); + + NUTS_MARRY(req, rep); + NUTS_SEND(req, "test"); + + nng_recv_aio(rep, aio1); + nng_aio_wait(aio1); + NUTS_PASS(nng_aio_result(aio1)); + NUTS_TRUE((m = nng_aio_get_msg(aio1)) != NULL); + p = nng_msg_get_pipe(m); + NUTS_PASS(nng_pipe_close(p)); + NUTS_PASS(nng_sendmsg(rep, m, 0)); + + NUTS_CLOSE(req); + NUTS_CLOSE(rep); + nng_aio_free(aio1); +} + +static void +test_xrep_close_pipe_during_send(void) +{ + nng_socket rep; + nng_socket req; + nng_pipe p; + nng_msg * m; + + NUTS_PASS(nng_rep0_open_raw(&rep)); + NUTS_PASS(nng_req0_open_raw(&req)); + NUTS_PASS(nng_socket_set_ms(rep, NNG_OPT_RECVTIMEO, 1000)); + NUTS_PASS(nng_socket_set_ms(rep, NNG_OPT_SENDTIMEO, 200)); + NUTS_PASS(nng_socket_set_ms(req, NNG_OPT_SENDTIMEO, 1000)); + NUTS_PASS(nng_socket_set_int(rep, NNG_OPT_SENDBUF, 20)); + NUTS_PASS(nng_socket_set_int(rep, NNG_OPT_RECVBUF, 20)); + NUTS_PASS(nng_socket_set_int(req, NNG_OPT_SENDBUF, 20)); + NUTS_PASS(nng_socket_set_int(req, NNG_OPT_RECVBUF, 1)); + + NUTS_MARRY(req, rep); + + NUTS_PASS(nng_msg_alloc(&m, 4)); + NUTS_PASS(nng_msg_append_u32(m, (unsigned) 0x81000000u)); + NUTS_PASS(nng_sendmsg(req, m, 0)); + NUTS_PASS(nng_recvmsg(rep, &m, 0)); + p = nng_msg_get_pipe(m); + nng_msg_free(m); + + for (int i = 0; i < 100; i++) { + NUTS_PASS(nng_msg_alloc(&m, 4)); + NUTS_PASS(nng_msg_header_append_u32(m, nng_pipe_id(p))); + NUTS_PASS( + nng_msg_header_append_u32(m, (unsigned) i | 0x80000000u)); + // xrep does not exert back-pressure + NUTS_PASS(nng_sendmsg(rep, m, 0)); + } + NUTS_PASS(nng_pipe_close(p)); + + NUTS_CLOSE(req); + NUTS_CLOSE(rep); +} + +static void +test_xrep_close_during_recv(void) +{ + nng_socket rep; + nng_socket req; + nng_msg * m; + + NUTS_PASS(nng_rep0_open_raw(&rep)); + NUTS_PASS(nng_req0_open_raw(&req)); + NUTS_PASS(nng_socket_set_ms(rep, NNG_OPT_RECVTIMEO, 1000)); + NUTS_PASS(nng_socket_set_ms(req, NNG_OPT_SENDTIMEO, 100)); + NUTS_PASS(nng_socket_set_int(rep, NNG_OPT_RECVBUF, 5)); + NUTS_PASS(nng_socket_set_int(req, NNG_OPT_SENDBUF, 20)); + + NUTS_MARRY(req, rep); + + for (unsigned i = 0; i < 100; i++) { + int rv; + NUTS_PASS(nng_msg_alloc(&m, 4)); + NUTS_PASS(nng_msg_header_append_u32(m, i | 0x80000000u)); + rv = nng_sendmsg(req, m, 0); + if (rv == NNG_ETIMEDOUT) { + nng_msg_free(m); + break; + } + } + NUTS_CLOSE(req); + NUTS_CLOSE(rep); +} + +static void +test_xrep_recv_aio_stopped(void) +{ + nng_socket rep; + nng_aio * aio; + + NUTS_PASS(nng_rep0_open_raw(&rep)); + NUTS_PASS(nng_aio_alloc(&aio, NULL, NULL)); + + nng_aio_stop(aio); + nng_recv_aio(rep, aio); + nng_aio_wait(aio); + NUTS_FAIL(nng_aio_result(aio), NNG_ECANCELED); + NUTS_CLOSE(rep); + nng_aio_free(aio); +} + +static void +test_xrep_send_no_header(void) +{ + nng_socket rep; + nng_socket req; + nng_msg * m; + + NUTS_PASS(nng_req0_open_raw(&req)); + NUTS_PASS(nng_rep0_open_raw(&rep)); + NUTS_PASS(nng_socket_set_ms(rep, NNG_OPT_RECVTIMEO, 100)); + NUTS_PASS(nng_socket_set_ms(req, NNG_OPT_RECVTIMEO, 100)); + NUTS_PASS(nng_socket_set_ms(rep, NNG_OPT_SENDTIMEO, 1000)); + NUTS_PASS(nng_socket_set_ms(req, NNG_OPT_SENDTIMEO, 1000)); + + NUTS_MARRY(req, rep); + + NUTS_PASS(nng_msg_alloc(&m, 4)); + NUTS_PASS(nng_sendmsg(rep, m, 0)); + NUTS_FAIL(nng_recvmsg(rep, &m, 0), NNG_ETIMEDOUT); + + NUTS_CLOSE(req); + NUTS_CLOSE(rep); +} + +static void +test_xrep_recv_garbage(void) +{ + nng_socket rep; + nng_socket req; + nng_msg * m; + + NUTS_PASS(nng_rep0_open_raw(&rep)); + NUTS_PASS(nng_req0_open_raw(&req)); + NUTS_PASS(nng_socket_set_ms(rep, NNG_OPT_RECVTIMEO, 100)); + NUTS_PASS(nng_socket_set_ms(rep, NNG_OPT_SENDTIMEO, 100)); + NUTS_PASS(nng_socket_set_ms(req, NNG_OPT_SENDTIMEO, 1000)); + + NUTS_MARRY(req, rep); + + NUTS_PASS(nng_msg_alloc(&m, 4)); + NUTS_PASS(nng_msg_append_u32(m, 1u)); + NUTS_PASS(nng_sendmsg(req, m, 0)); + NUTS_FAIL(nng_recvmsg(rep, &m, 0), NNG_ETIMEDOUT); + + NUTS_CLOSE(req); + NUTS_CLOSE(rep); +} + +static void +test_xrep_ttl_option(void) +{ + nng_socket rep; + int v; + bool b; + size_t sz; + const char *opt = NNG_OPT_MAXTTL; + + NUTS_PASS(nng_rep0_open_raw(&rep)); + + NUTS_PASS(nng_socket_set_int(rep, opt, 1)); + NUTS_FAIL(nng_socket_set_int(rep, opt, 0), NNG_EINVAL); + NUTS_FAIL(nng_socket_set_int(rep, opt, -1), NNG_EINVAL); + NUTS_FAIL(nng_socket_set_int(rep, opt, 16), NNG_EINVAL); + NUTS_FAIL(nng_socket_set_int(rep, opt, 256), NNG_EINVAL); + NUTS_PASS(nng_socket_set_int(rep, opt, 3)); + NUTS_PASS(nng_socket_get_int(rep, opt, &v)); + NUTS_TRUE(v == 3); + v = 0; + sz = sizeof(v); + NUTS_PASS(nng_socket_get(rep, opt, &v, &sz)); + NUTS_TRUE(v == 3); + NUTS_TRUE(sz == sizeof(v)); + + NUTS_TRUE(nng_socket_set(rep, opt, "", 1) == NNG_EINVAL); + sz = 1; + NUTS_TRUE(nng_socket_get(rep, opt, &v, &sz) == NNG_EINVAL); + NUTS_TRUE(nng_socket_set_bool(rep, opt, true) == NNG_EBADTYPE); + NUTS_TRUE(nng_socket_get_bool(rep, opt, &b) == NNG_EBADTYPE); + + NUTS_TRUE(nng_close(rep) == 0); +} + +static void +test_xrep_ttl_drop(void) +{ + nng_socket rep; + nng_socket req; + nng_msg * m; + + NUTS_PASS(nng_rep0_open_raw(&rep)); + NUTS_PASS(nng_req0_open_raw(&req)); + NUTS_PASS(nng_socket_set_int(rep, NNG_OPT_MAXTTL, 3)); + NUTS_PASS(nng_socket_set_ms(rep, NNG_OPT_RECVTIMEO, 200)); + NUTS_PASS(nng_socket_set_ms(req, NNG_OPT_SENDTIMEO, 1000)); + + NUTS_MARRY(req, rep); + + // Send messages. Note that xrep implicitly adds a hop on receive. + + NUTS_PASS(nng_msg_alloc(&m, 0)); + NUTS_PASS(nng_msg_append_u32(m, 1u)); // 2 hops + NUTS_PASS(nng_msg_append_u32(m, 0x80000001u)); + NUTS_PASS(nng_msg_append(m, "PASS1", 6)); + NUTS_PASS(nng_sendmsg(req, m, 0)); + + NUTS_PASS(nng_msg_alloc(&m, 0)); + NUTS_PASS(nng_msg_append_u32(m, 1u)); // 4 hops -- discard! + NUTS_PASS(nng_msg_append_u32(m, 2u)); + NUTS_PASS(nng_msg_append_u32(m, 3u)); + NUTS_PASS(nng_msg_append_u32(m, 0x80000002u)); + NUTS_PASS(nng_msg_append(m, "FAIL2", 6)); + NUTS_PASS(nng_sendmsg(req, m, 0)); + + NUTS_PASS(nng_msg_alloc(&m, 0)); + NUTS_PASS(nng_msg_append_u32(m, 1u)); // 3 hops - passes + NUTS_PASS(nng_msg_append_u32(m, 2u)); + NUTS_PASS(nng_msg_append_u32(m, 0x80000003u)); + NUTS_PASS(nng_msg_append(m, "PASS3", 6)); + NUTS_PASS(nng_sendmsg(req, m, 0)); + + NUTS_PASS(nng_msg_alloc(&m, 0)); + NUTS_PASS(nng_msg_append_u32(m, 1u)); // 4 hops -- discard! + NUTS_PASS(nng_msg_append_u32(m, 2u)); + NUTS_PASS(nng_msg_append_u32(m, 3u)); + NUTS_PASS(nng_msg_append_u32(m, 0x80000003u)); + NUTS_PASS(nng_msg_append(m, "FAIL4", 6)); + NUTS_PASS(nng_sendmsg(req, m, 0)); + + // So on receive we should see 80000001 and 80000003. + NUTS_PASS(nng_recvmsg(rep, &m, 0)); + NUTS_TRUE(nng_msg_header_len(m) == 12); + NUTS_TRUE(nng_msg_len(m) == 6); + NUTS_TRUE(strcmp(nng_msg_body(m), "PASS1") == 0); + nng_msg_free(m); + + NUTS_PASS(nng_recvmsg(rep, &m, 0)); + NUTS_TRUE(nng_msg_header_len(m) == 16); // 3 hops + ID + NUTS_TRUE(nng_msg_len(m) == 6); + NUTS_TRUE(strcmp(nng_msg_body(m), "PASS3") == 0); + nng_msg_free(m); + + NUTS_FAIL(nng_recvmsg(rep, &m, 0), NNG_ETIMEDOUT); + + NUTS_CLOSE(req); + NUTS_CLOSE(rep); +} + +NUTS_TESTS = { + { "xrep identity", test_xrep_identity }, + { "xrep raw", test_xrep_raw }, + { "xrep no context", test_xrep_no_context }, + { "xrep poll readable", test_xrep_poll_readable }, + { "xrep poll writable", test_xrep_poll_writeable }, + { "xrep validate peer", test_xrep_validate_peer }, + { "xrep close pipe before send", test_xrep_close_pipe_before_send }, + { "xrep close pipe during send", test_xrep_close_pipe_during_send }, + { "xrep close during recv", test_xrep_close_during_recv }, + { "xrep recv aio stopped", test_xrep_recv_aio_stopped }, + { "xrep send no header", test_xrep_send_no_header }, + { "xrep recv garbage", test_xrep_recv_garbage }, + { "xrep ttl option", test_xrep_ttl_option }, + { "xrep ttl drop", test_xrep_ttl_drop }, + { NULL, NULL }, +}; |