90 lines
2.3 KiB
C
90 lines
2.3 KiB
C
//
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// Copyright 2021 Staysail Systems, Inc. <info@staysail.tech>
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// Copyright 2018 Capitar IT Group BV <info@capitar.com>
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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 <string.h>
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#include <nng/nng.h>
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#include <nng/protocol/bus0/bus.h>
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#include "convey.h"
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#include "stubs.h"
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#define APPENDSTR(m, s) nng_msg_append(m, s, strlen(s))
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#define CHECKSTR(m, s) \
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So(nng_msg_len(m) == strlen(s)); \
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So(memcmp(nng_msg_body(m), s, strlen(s)) == 0)
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TestMain("BUS pattern", {
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const char *addr = "inproc://test";
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Convey("We can create a BUS socket", {
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nng_socket bus;
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So(nng_bus_open(&bus) == 0);
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Reset({ nng_close(bus); });
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});
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Convey("We can create a linked BUS topology", {
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nng_socket bus1;
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nng_socket bus2;
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nng_socket bus3;
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nng_duration rtimeo;
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So(nng_bus_open(&bus1) == 0);
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So(nng_bus_open(&bus2) == 0);
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So(nng_bus_open(&bus3) == 0);
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Reset({
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nng_close(bus1);
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nng_close(bus2);
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nng_close(bus3);
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});
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So(nng_listen(bus1, addr, NULL, 0) == 0);
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So(nng_dial(bus2, addr, NULL, 0) == 0);
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So(nng_dial(bus3, addr, NULL, 0) == 0);
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rtimeo = 50;
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So(nng_setopt_ms(bus1, NNG_OPT_RECVTIMEO, rtimeo) == 0);
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So(nng_setopt_ms(bus2, NNG_OPT_RECVTIMEO, rtimeo) == 0);
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So(nng_setopt_ms(bus3, NNG_OPT_RECVTIMEO, rtimeo) == 0);
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Convey("Messages delivered", {
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nng_msg *msg;
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// This is just a poor man's sleep.
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So(nng_recvmsg(bus1, &msg, 0) == NNG_ETIMEDOUT);
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So(nng_recvmsg(bus2, &msg, 0) == NNG_ETIMEDOUT);
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So(nng_recvmsg(bus3, &msg, 0) == NNG_ETIMEDOUT);
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So(nng_msg_alloc(&msg, 0) == 0);
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APPENDSTR(msg, "99bits");
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So(nng_sendmsg(bus2, msg, 0) == 0);
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So(nng_recvmsg(bus1, &msg, 0) == 0);
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CHECKSTR(msg, "99bits");
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nng_msg_free(msg);
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So(nng_recvmsg(bus3, &msg, 0) == NNG_ETIMEDOUT);
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So(nng_msg_alloc(&msg, 0) == 0);
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APPENDSTR(msg, "onthe");
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So(nng_sendmsg(bus1, msg, 0) == 0);
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So(nng_recvmsg(bus2, &msg, 0) == 0);
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CHECKSTR(msg, "onthe");
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nng_msg_free(msg);
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So(nng_recvmsg(bus3, &msg, 0) == 0);
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CHECKSTR(msg, "onthe");
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nng_msg_free(msg);
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});
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});
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})
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