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/*
* Copyright (c) 2018-2019 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <svm/ssvm.h>
#include <svm/message_queue.h>
#define test1_error(_fmt, _args...) \
{ \
ssvm_pop_heap (oldheap); \
error = clib_error_return (0, _fmt, ##_args); \
goto done; \
}
clib_error_t *
test1 (int verbose)
{
ssvm_private_t _ssvm, *ssvm = &_ssvm;
svm_msg_q_cfg_t _cfg, *cfg = &_cfg;
svm_msg_q_msg_t msg1, msg2, msg[12];
ssvm_shared_header_t *sh;
clib_error_t *error = 0;
svm_msg_q_t *mq;
void *oldheap;
int i;
clib_memset (ssvm, 0, sizeof (*ssvm));
ssvm->ssvm_size = 1 << 20;
ssvm->i_am_master = 1;
ssvm->my_pid = getpid ();
ssvm->name = format (0, "%s%c", "test", 0);
ssvm->requested_va = 0;
if (ssvm_master_init (ssvm, SSVM_SEGMENT_SHM))
return clib_error_return (0, "failed: segment allocation");
sh = ssvm->sh;
svm_msg_q_ring_cfg_t rc[2]= {{8, 8, 0}, {8, 16, 0}};
cfg->consumer_pid = ~0;
cfg->n_rings = 2;
cfg->q_nitems = 16;
cfg->ring_cfgs = rc;
oldheap = ssvm_push_heap (sh);
mq = svm_msg_q_alloc (cfg);
if (!mq)
test1_error ("failed: alloc");
if (vec_len (mq->rings) != 2)
test1_error ("failed: ring allocation");
msg1 = svm_msg_q_alloc_msg (mq, 8);
if (mq->rings[0].cursize != 1
|| msg1.ring_index != 0
|| msg1.elt_index != 0)
test1_error ("failed: msg alloc1");
msg2 = svm_msg_q_alloc_msg (mq, 15);
if (mq->rings[1].cursize != 1
|| msg2.ring_index != 1
|| msg2.elt_index != 0)
test1_error ("failed: msg alloc2");
svm_msg_q_free_msg (mq, &msg1);
if (mq->rings[0].cursize != 0)
test1_error("failed: free msg");
for (i = 0; i < 12; i++)
{
msg[i] = svm_msg_q_alloc_msg (mq, 7);
*(u32 *)svm_msg_q_msg_data (mq, &msg[i]) = i;
}
if (mq->rings[0].cursize != 8
|| mq->rings[1].cursize != 5)
test1_error ("failed: msg alloc3");
*(u32 *)svm_msg_q_msg_data (mq, &msg2) = 123;
svm_msg_q_add (mq, &msg2, SVM_Q_NOWAIT);
for (i = 0; i < 12; i++)
svm_msg_q_add (mq, &msg[i], SVM_Q_NOWAIT);
if (svm_msg_q_sub (mq, &msg2, SVM_Q_NOWAIT, 0))
test1_error ("failed: dequeue1");
if (msg2.ring_index != 1 || msg2.elt_index != 0)
test1_error ("failed: dequeue1 result");
if (*(u32 *)svm_msg_q_msg_data (mq, &msg2) != 123)
test1_error ("failed: dequeue1 wrong data");
svm_msg_q_free_msg (mq, &msg2);
for (i = 0; i < 12; i++)
{
if (svm_msg_q_sub (mq, &msg[i], SVM_Q_NOWAIT, 0))
test1_error ("failed: dequeue2");
if (i < 8)
{
if (msg[i].ring_index != 0 || msg[i].elt_index != (i + 1) % 8)
test1_error ("failed: dequeue2 result2");
}
else
{
if (msg[i].ring_index != 1 || msg[i].elt_index != (i - 8) + 1)
test1_error ("failed: dequeue2 result3");
}
if (*(u32 *)svm_msg_q_msg_data (mq, &msg[i]) != i)
test1_error ("failed: dequeue2 wrong data");
svm_msg_q_free_msg (mq, &msg[i]);
}
if (mq->rings[0].cursize != 0 || mq->rings[1].cursize != 0)
test1_error ("failed: post dequeue");
ssvm_pop_heap (oldheap);
done:
ssvm_delete (ssvm);
return error;
}
int
test_svm_message_queue (unformat_input_t * input)
{
clib_error_t *error = 0;
int verbose = 0;
int test_id = 0;
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (input, "test1"))
test_id = 1;
else
{
error = clib_error_create ("unknown input `%U'\n",
format_unformat_error, input);
goto out;
}
}
switch (test_id)
{
case 1:
error = test1 (verbose);
}
out:
if (error)
clib_error_report (error);
else
clib_warning ("success");
return 0;
}
int
main (int argc, char *argv[])
{
unformat_input_t i;
int r;
clib_mem_init_thread_safe (0, 256 << 20);
unformat_init_command_line (&i, argv);
r = test_svm_message_queue (&i);
unformat_free (&i);
return r;
}
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