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//
// Copyright 2017 Garrett D'Amore <garrett@damore.org>
//
// 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 "convey.h"
#include "nng.h"
#include "core/nng_impl.h"
#include <string.h>
#define APPENDSTR(m, s) nng_msg_append(m, s, strlen(s))
#define CHECKSTR(m, s) So(nng_msg_len(m) == strlen(s));\
So(memcmp(nng_msg_body(m), s, strlen(s)) == 0)
Main({
const char *addr = "inproc://test";
nni_init();
Test("SURVEY pattern", {
Convey("We can create a SURVEYOR socket", {
nng_socket surv;
So(nng_open(&surv, NNG_PROTO_SURVEYOR) == 0);
Reset({
nng_close(surv);
})
Convey("Protocols match", {
So(nng_protocol(surv) == NNG_PROTO_SURVEYOR);
So(nng_peer(surv) == NNG_PROTO_RESPONDENT);
})
Convey("Recv with no survey fails", {
nng_msg *msg;
So(nng_recvmsg(surv, &msg, 0) == NNG_ESTATE);
})
Convey("Survey without responder times out", {
uint64_t expire = 50000;
nng_msg *msg;
So(nng_setopt(surv, NNG_OPT_SURVEYTIME, &expire, sizeof (expire)) == 0);
So(nng_msg_alloc(&msg, 0) == 0);
So(nng_sendmsg(surv, msg, 0) == 0);
So(nng_recvmsg(surv, &msg, 0) == NNG_ETIMEDOUT);
})
})
Convey("We can create a RESPONDENT socket", {
nng_socket resp;
So(nng_open(&resp, NNG_PROTO_RESPONDENT) == 0);
Reset({
nng_close(resp);
})
Convey("Protocols match", {
So(nng_protocol(resp) == NNG_PROTO_RESPONDENT);
So(nng_peer(resp) == NNG_PROTO_SURVEYOR);
})
Convey("Send fails with no suvey", {
nng_msg *msg;
So(nng_msg_alloc(&msg, 0) == 0);
So(nng_sendmsg(resp, msg, 0) == NNG_ESTATE);
nng_msg_free(msg);
})
})
Convey("We can create a linked survey pair", {
nng_socket surv;
nng_socket resp;
nng_socket sock;
uint64_t expire;
So(nng_open(&surv, NNG_PROTO_SURVEYOR) == 0);
So(nng_open(&resp, NNG_PROTO_RESPONDENT) == 0);
Reset({
nng_close(surv);
nng_close(resp);
})
expire = 50000;
So(nng_setopt(surv, NNG_OPT_SURVEYTIME, &expire, sizeof (expire)) == 0);
So(nng_listen(surv, addr, NULL, NNG_FLAG_SYNCH) == 0);
So(nng_dial(resp, addr, NULL, NNG_FLAG_SYNCH) == 0);
// We dial another socket as that will force the
// earlier dial to have completed *fully*. This is a
// hack that only works because our listen logic is
// single threaded.
So(nng_open(&sock, NNG_PROTO_RESPONDENT) == 0);
So(nng_dial(sock, addr, NULL, NNG_FLAG_SYNCH) == 0);
nng_close(sock);
Convey("Survey works", {
nng_msg *msg;
uint64_t rtimeo;
So(nng_msg_alloc(&msg, 0) == 0);
APPENDSTR(msg, "abc");
So(nng_sendmsg(surv, msg, 0) == 0);
msg = NULL;
So(nng_recvmsg(resp, &msg, 0) == 0);
CHECKSTR(msg, "abc");
nng_msg_trunc(msg, 3);
APPENDSTR(msg, "def");
So(nng_sendmsg(resp, msg, 0) == 0);
msg = NULL;
So(nng_recvmsg(surv, &msg, 0) == 0);
CHECKSTR(msg, "def");
nng_msg_free(msg);
So(nng_recvmsg(surv, &msg, 0) == NNG_ETIMEDOUT);
Convey("And goes to non-survey state", {
rtimeo = 200000;
So(nng_setopt(surv, NNG_OPT_RCVTIMEO, &rtimeo, sizeof (rtimeo)) == 0);
So(nng_recvmsg(surv, &msg, 0) == NNG_ESTATE);
})
})
})
})
nni_fini();
})
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