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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>
// Transport common tests. By making a common test framework for transports,
// we can avoid rewriting the same tests for each new transport. Include this
// file once in your test code. The test framework uses the REQ/REP protocol
// for comms.
typedef struct {
char addr[NNG_MAXADDRLEN+1];
nng_socket reqsock;
nng_socket repsock;
nni_tran *tran;
} trantest;
void
trantest_init(trantest *tt, const char *addr)
{
snprintf(tt->addr, sizeof (tt->addr), "%s", addr);
tt->tran = nni_tran_find(addr);
So(tt->tran != NULL);
So(nng_open(&tt->reqsock, NNG_PROTO_REQ) == 0);
So(nng_open(&tt->repsock, NNG_PROTO_REP) == 0);
}
void
trantest_fini(trantest *tt)
{
nng_close(tt->reqsock);
nng_close(tt->repsock);
}
void
trantest_scheme(trantest *tt)
{
Convey("Scheme is correct", {
size_t l = strlen(tt->tran->tran_scheme);
So(strncmp(tt->addr, tt->tran->tran_scheme, l) == 0);
So(strncmp(tt->addr + l, "://", 3) == 0);
})
}
void
trantest_conn_refused(trantest *tt)
{
Convey("Connection refused works", {
nng_endpoint ep = 0;
So(nng_dial(tt->reqsock, tt->addr, &ep, NNG_FLAG_SYNCH) == NNG_ECONNREFUSED);
So(ep == 0);
So(nng_dial(tt->repsock, tt->addr, &ep, NNG_FLAG_SYNCH) == NNG_ECONNREFUSED);
So(ep == 0);
})
}
void
trantest_duplicate_listen(trantest *tt)
{
Convey("Duplicate listen rejected", {
nng_endpoint ep;
So(nng_listen(tt->repsock, tt->addr, &ep, NNG_FLAG_SYNCH) == 0);
So(ep != 0);
ep = 0;
So(nng_listen(tt->reqsock, tt->addr, &ep, NNG_FLAG_SYNCH) == NNG_EADDRINUSE);
So(ep == 0);
})
}
void
trantest_listen_accept(trantest *tt)
{
Convey("Listen and accept" ,{
nng_endpoint ep;
ep = 0;
So(nng_listen(tt->repsock, tt->addr, &ep, NNG_FLAG_SYNCH) == 0);
So(ep != 0);
ep = 0;
So(nng_dial(tt->reqsock, tt->addr, &ep, NNG_FLAG_SYNCH) == 0);
So(ep != 0);
})
}
void
trantest_send_recv(trantest *tt)
{
Convey("Send and recv", {
nng_endpoint ep = 0;
nng_msg *send;
nng_msg *recv;
size_t len;
ep = 0;
So(nng_listen(tt->repsock, tt->addr, &ep, NNG_FLAG_SYNCH) == 0);
So(ep != 0);
ep = 0;
So(nng_dial(tt->reqsock, tt->addr, &ep, NNG_FLAG_SYNCH) == 0);
So(ep != 0);
send = NULL;
So(nng_msg_alloc(&send, 0) == 0);
So(send != NULL);
So(nng_msg_append(send, "ping", 5) == 0);
So(nng_sendmsg(tt->reqsock, send, 0) == 0);
recv = NULL;
So(nng_recvmsg(tt->repsock, &recv, 0) == 0);
So(recv != NULL);
So(nng_msg_len(recv) == 5);
So(strcmp(nng_msg_body(recv), "ping") == 0);
nng_msg_free(recv);
len = strlen("acknowledge");
So(nng_msg_alloc(&send, 0) == 0);
So(nng_msg_append(send, "acknowledge", len) == 0);
So(nng_sendmsg(tt->repsock, send, 0) == 0);
So(nng_recvmsg(tt->reqsock, &recv, 0) == 0);
So(recv != NULL);
So(nng_msg_len(recv) == strlen("acknowledge"));
So(strcmp(nng_msg_body(recv), "acknowledge") == 0);
nng_msg_free(recv);
})
}
void
trantest_test_all(const char *addr)
{
trantest tt;
Convey("Given transport", {
trantest_init(&tt, addr);
Reset({
trantest_fini(&tt);
})
trantest_scheme(&tt);
trantest_conn_refused(&tt);
trantest_duplicate_listen(&tt);
trantest_listen_accept(&tt);
trantest_send_recv(&tt);
})
}
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