//
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// Copyright 2020 Staysail Systems, Inc. <info@staysail.tech>
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//
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// This software is supplied under the terms of the MIT License, a
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// copy of which should be located in the distribution where this
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// file was obtained (LICENSE.txt). A copy of the license may also be
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// found online at https://opensource.org/licenses/MIT.
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//
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#include <nuts.h>
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static void
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test_xreq_identity(void)
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{
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nng_socket s;
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int p1, p2;
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char * n1;
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char * n2;
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NUTS_PASS(nng_req0_open_raw(&s));
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NUTS_PASS(nng_socket_get_int(s, NNG_OPT_PROTO, &p1));
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NUTS_PASS(nng_socket_get_int(s, NNG_OPT_PEER, &p2));
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NUTS_PASS(nng_socket_get_string(s, NNG_OPT_PROTONAME, &n1));
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NUTS_PASS(nng_socket_get_string(s, NNG_OPT_PEERNAME, &n2));
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NUTS_CLOSE(s);
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NUTS_TRUE(p1 == NNG_REQ0_SELF);
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NUTS_TRUE(p2 == NNG_REQ0_PEER);
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NUTS_MATCH(n1, NNG_REQ0_SELF_NAME);
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NUTS_MATCH(n2, NNG_REQ0_PEER_NAME);
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nng_strfree(n1);
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nng_strfree(n2);
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}
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static void
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test_xreq_raw(void)
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{
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nng_socket s;
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bool b;
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NUTS_PASS(nng_req0_open_raw(&s));
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NUTS_PASS(nng_socket_get_bool(s, NNG_OPT_RAW, &b));
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NUTS_TRUE(b);
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NUTS_CLOSE(s);
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}
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static void
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test_xreq_no_context(void)
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{
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nng_socket s;
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nng_ctx ctx;
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NUTS_PASS(nng_req0_open_raw(&s));
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NUTS_FAIL(nng_ctx_open(&ctx, s), NNG_ENOTSUP);
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NUTS_CLOSE(s);
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}
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static void
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test_xreq_poll_writeable(void)
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{
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int fd;
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nng_socket req;
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nng_socket rep;
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NUTS_PASS(nng_req0_open_raw(&req));
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NUTS_PASS(nng_rep0_open(&rep));
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NUTS_PASS(nng_socket_get_int(req, NNG_OPT_SENDFD, &fd));
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NUTS_TRUE(fd >= 0);
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// We can't write until we have a connection.
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NUTS_TRUE(nuts_poll_fd(fd) == false);
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NUTS_MARRY(req, rep);
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// Now it's writable.
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NUTS_TRUE(nuts_poll_fd(fd) == true);
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NUTS_CLOSE(req);
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NUTS_CLOSE(rep);
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}
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static void
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test_xreq_poll_readable(void)
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{
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int fd;
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nng_socket req;
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nng_socket rep;
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nng_msg * msg;
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NUTS_PASS(nng_req0_open_raw(&req));
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NUTS_PASS(nng_rep0_open(&rep));
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NUTS_PASS(nng_socket_get_int(req, NNG_OPT_RECVFD, &fd));
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NUTS_PASS(nng_socket_set_ms(rep, NNG_OPT_RECVTIMEO, 1000));
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NUTS_PASS(nng_socket_set_ms(req, NNG_OPT_RECVTIMEO, 1000));
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NUTS_PASS(nng_socket_set_ms(rep, NNG_OPT_SENDTIMEO, 1000));
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NUTS_PASS(nng_socket_set_ms(req, NNG_OPT_SENDTIMEO, 1000));
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NUTS_TRUE(fd >= 0);
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// Not readable if not connected!
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NUTS_TRUE(nuts_poll_fd(fd) == false);
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// Even after connect (no message yet)
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NUTS_MARRY(req, rep);
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NUTS_TRUE(nuts_poll_fd(fd) == false);
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// But once we send messages, it is.
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// We have to send a request, in order to send a reply.
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NUTS_PASS(nng_msg_alloc(&msg, 0));
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// Request ID
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NUTS_PASS(nng_msg_append_u32(msg, 0x80000000));
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NUTS_PASS(nng_sendmsg(req, msg, 0));
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NUTS_PASS(nng_recvmsg(rep, &msg, 0));
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NUTS_PASS(nng_sendmsg(rep, msg, 0));
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NUTS_SLEEP(100);
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NUTS_TRUE(nuts_poll_fd(fd) == true);
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// and receiving makes it no longer ready
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NUTS_PASS(nng_recvmsg(req, &msg, 0));
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nng_msg_free(msg);
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NUTS_TRUE(nuts_poll_fd(fd) == false);
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NUTS_CLOSE(req);
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NUTS_CLOSE(rep);
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}
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static void
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test_xreq_validate_peer(void)
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{
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nng_socket s1, s2;
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nng_stat * stats;
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nng_stat * reject;
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char * addr;
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NUTS_ADDR(addr, "inproc");
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NUTS_PASS(nng_req0_open_raw(&s1));
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NUTS_PASS(nng_req0_open(&s2));
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NUTS_PASS(nng_listen(s1, addr, NULL, 0));
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NUTS_PASS(nng_dial(s2, addr, NULL, NNG_FLAG_NONBLOCK));
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NUTS_SLEEP(100);
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NUTS_PASS(nng_stats_get(&stats));
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NUTS_TRUE(stats != NULL);
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NUTS_TRUE((reject = nng_stat_find_socket(stats, s1)) != NULL);
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NUTS_TRUE((reject = nng_stat_find(reject, "reject")) != NULL);
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NUTS_TRUE(nng_stat_type(reject) == NNG_STAT_COUNTER);
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NUTS_TRUE(nng_stat_value(reject) > 0);
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NUTS_CLOSE(s1);
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NUTS_CLOSE(s2);
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nng_stats_free(stats);
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}
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static void
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test_xreq_recv_aio_stopped(void)
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{
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nng_socket req;
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nng_aio * aio;
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NUTS_PASS(nng_req0_open_raw(&req));
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NUTS_PASS(nng_aio_alloc(&aio, NULL, NULL));
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nng_aio_stop(aio);
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nng_recv_aio(req, aio);
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nng_aio_wait(aio);
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NUTS_FAIL(nng_aio_result(aio), NNG_ECANCELED);
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NUTS_CLOSE(req);
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nng_aio_free(aio);
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}
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static void
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test_xreq_recv_garbage(void)
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{
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nng_socket rep;
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nng_socket req;
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nng_msg * m;
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uint32_t req_id;
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NUTS_PASS(nng_rep0_open_raw(&rep));
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NUTS_PASS(nng_req0_open_raw(&req));
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NUTS_PASS(nng_socket_set_ms(req, NNG_OPT_RECVTIMEO, 100));
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NUTS_PASS(nng_socket_set_ms(req, NNG_OPT_SENDTIMEO, 1000));
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NUTS_PASS(nng_socket_set_ms(rep, NNG_OPT_SENDTIMEO, 1000));
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NUTS_PASS(nng_socket_set_ms(rep, NNG_OPT_SENDTIMEO, 1000));
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NUTS_MARRY(req, rep);
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NUTS_PASS(nng_msg_alloc(&m, 0));
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NUTS_PASS(nng_msg_append_u32(m, 0x80000000));
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NUTS_PASS(nng_sendmsg(req, m, 0));
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NUTS_PASS(nng_recvmsg(rep, &m, 0));
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// The message will have a header that contains the 32-bit pipe ID,
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// followed by the 32-bit request ID. We will discard the request
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// ID before sending it out.
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NUTS_TRUE(nng_msg_header_len(m) == 8);
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NUTS_PASS(nng_msg_header_chop_u32(m, &req_id));
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NUTS_TRUE(req_id == 0x80000000);
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NUTS_PASS(nng_sendmsg(rep, m, 0));
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NUTS_FAIL(nng_recvmsg(req, &m, 0), NNG_ETIMEDOUT);
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NUTS_CLOSE(req);
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NUTS_CLOSE(rep);
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}
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static void
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test_xreq_recv_header(void)
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{
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nng_socket rep;
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nng_socket req;
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nng_msg * m;
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nng_pipe p1, p2;
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uint32_t id;
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NUTS_PASS(nng_rep0_open_raw(&rep));
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NUTS_PASS(nng_req0_open_raw(&req));
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NUTS_PASS(nng_socket_set_ms(req, NNG_OPT_RECVTIMEO, 1000));
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NUTS_PASS(nng_socket_set_ms(req, NNG_OPT_SENDTIMEO, 1000));
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NUTS_PASS(nng_socket_set_ms(rep, NNG_OPT_SENDTIMEO, 1000));
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NUTS_PASS(nng_socket_set_ms(rep, NNG_OPT_SENDTIMEO, 1000));
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NUTS_MARRY_EX(req, rep, NULL, &p1, &p2);
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// Simulate a few hops.
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NUTS_PASS(nng_msg_alloc(&m, 0));
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NUTS_PASS(nng_msg_header_append_u32(m, nng_pipe_id(p2)));
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NUTS_PASS(nng_msg_header_append_u32(m, 0x2));
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NUTS_PASS(nng_msg_header_append_u32(m, 0x1));
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NUTS_PASS(nng_msg_header_append_u32(m, 0x80000123u));
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NUTS_PASS(nng_sendmsg(rep, m, 0));
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NUTS_PASS(nng_recvmsg(req, &m, 0));
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NUTS_TRUE(nng_msg_header_len(m) == 12);
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NUTS_PASS(nng_msg_header_trim_u32(m, &id));
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NUTS_TRUE(id == 0x2);
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NUTS_PASS(nng_msg_header_trim_u32(m, &id));
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NUTS_TRUE(id == 0x1);
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NUTS_PASS(nng_msg_header_trim_u32(m, &id));
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NUTS_TRUE(id == 0x80000123u);
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nng_msg_free(m);
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NUTS_CLOSE(req);
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NUTS_CLOSE(rep);
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}
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static void
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test_xreq_close_during_recv(void)
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{
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nng_socket rep;
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nng_socket req;
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nng_msg * m;
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nng_pipe p1;
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nng_pipe p2;
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NUTS_PASS(nng_rep0_open_raw(&rep));
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NUTS_PASS(nng_req0_open_raw(&req));
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NUTS_PASS(nng_socket_set_ms(rep, NNG_OPT_RECVTIMEO, 1000));
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NUTS_PASS(nng_socket_set_ms(req, NNG_OPT_SENDTIMEO, 100));
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NUTS_PASS(nng_socket_set_int(req, NNG_OPT_RECVBUF, 5));
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NUTS_PASS(nng_socket_set_int(rep, NNG_OPT_SENDBUF, 20));
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NUTS_MARRY_EX(req, rep, NULL, &p1, &p2);
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NUTS_TRUE(nng_pipe_id(p1) > 0);
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NUTS_TRUE(nng_pipe_id(p2) > 0);
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for (unsigned i = 0; i < 20; i++) {
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NUTS_PASS(nng_msg_alloc(&m, 4));
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NUTS_PASS(nng_msg_header_append_u32(m, nng_pipe_id(p2)));
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NUTS_PASS(nng_msg_header_append_u32(m, i | 0x80000000u));
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NUTS_SLEEP(10);
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NUTS_PASS(nng_sendmsg(rep, m, 0));
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}
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NUTS_CLOSE(req);
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NUTS_CLOSE(rep);
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}
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static void
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test_xreq_close_pipe_during_send(void)
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{
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nng_socket rep;
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nng_socket req;
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nng_msg * m;
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nng_pipe p1;
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nng_pipe p2;
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NUTS_PASS(nng_rep0_open_raw(&rep));
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NUTS_PASS(nng_req0_open_raw(&req));
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NUTS_PASS(nng_socket_set_ms(rep, NNG_OPT_RECVTIMEO, 1000));
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NUTS_PASS(nng_socket_set_ms(req, NNG_OPT_SENDTIMEO, 100));
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NUTS_PASS(nng_socket_set_int(rep, NNG_OPT_RECVBUF, 5));
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NUTS_PASS(nng_socket_set_int(req, NNG_OPT_SENDBUF, 20));
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NUTS_MARRY_EX(req, rep, NULL, &p1, &p2);
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NUTS_TRUE(nng_pipe_id(p1) > 0);
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NUTS_TRUE(nng_pipe_id(p2) > 0);
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for (unsigned i = 0; i < 20; i++) {
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NUTS_PASS(nng_msg_alloc(&m, 4));
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NUTS_PASS(nng_msg_header_append_u32(m, i | 0x80000000u));
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NUTS_SLEEP(10);
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NUTS_PASS(nng_sendmsg(req, m, 0));
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}
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NUTS_PASS(nng_pipe_close(p1));
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NUTS_CLOSE(req);
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NUTS_CLOSE(rep);
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}
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static void
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test_xreq_ttl_option(void)
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{
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nng_socket rep;
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int v;
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bool b;
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size_t sz;
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const char *opt = NNG_OPT_MAXTTL;
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NUTS_PASS(nng_req0_open_raw(&rep));
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NUTS_PASS(nng_socket_set_int(rep, opt, 1));
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NUTS_FAIL(nng_socket_set_int(rep, opt, 0), NNG_EINVAL);
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NUTS_FAIL(nng_socket_set_int(rep, opt, -1), NNG_EINVAL);
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NUTS_FAIL(nng_socket_set_int(rep, opt, 16), NNG_EINVAL);
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NUTS_FAIL(nng_socket_set_int(rep, opt, 256), NNG_EINVAL);
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NUTS_PASS(nng_socket_set_int(rep, opt, 3));
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NUTS_PASS(nng_socket_get_int(rep, opt, &v));
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NUTS_TRUE(v == 3);
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v = 0;
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sz = sizeof(v);
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NUTS_PASS(nng_socket_get(rep, opt, &v, &sz));
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NUTS_TRUE(v == 3);
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NUTS_TRUE(sz == sizeof(v));
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NUTS_TRUE(nng_socket_set(rep, opt, "", 1) == NNG_EINVAL);
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sz = 1;
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NUTS_TRUE(nng_socket_get(rep, opt, &v, &sz) == NNG_EINVAL);
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NUTS_TRUE(nng_socket_set_bool(rep, opt, true) == NNG_EBADTYPE);
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NUTS_TRUE(nng_socket_get_bool(rep, opt, &b) == NNG_EBADTYPE);
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NUTS_TRUE(nng_close(rep) == 0);
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}
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NUTS_TESTS = {
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{ "xreq identity", test_xreq_identity },
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{ "xreq raw", test_xreq_raw },
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{ "xreq no context", test_xreq_no_context },
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{ "xreq poll readable", test_xreq_poll_readable },
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{ "xreq poll writable", test_xreq_poll_writeable },
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{ "xreq validate peer", test_xreq_validate_peer },
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{ "xreq recv aio stopped", test_xreq_recv_aio_stopped },
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{ "xreq recv garbage", test_xreq_recv_garbage },
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{ "xreq recv header", test_xreq_recv_header },
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{ "xreq close during recv", test_xreq_close_during_recv },
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{ "xreq close pipe during send", test_xreq_close_pipe_during_send },
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{ "xreq ttl option", test_xreq_ttl_option },
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{ NULL, NULL },
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};
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