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/*
*
* Copyright 2014, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include <grpc/grpc.h>
#include <string.h>
#include <grpc/support/log.h>
#include <grpc/support/time.h>
#include <grpc/byte_buffer.h>
#include "test/core/util/test_config.h"
enum { WRITE_SLICE_LENGTH = 1024, TOTAL_BYTES = 102400 };
/* Start write the next slice, fill slice.data[0..length - 1] with first % 256,
(first + 1) % 256, ... (first + length - 1) % 256.
Produce a GRPC_WRITE_ACCEPTED event */
static void start_write_next_slice(grpc_call *call, int first, int length) {
int i = 0;
grpc_byte_buffer *byte_buffer = NULL;
gpr_slice slice = gpr_slice_malloc(length);
for (i = 0; i < length; i++)
GPR_SLICE_START_PTR(slice)[i] = (first + i) % 256;
byte_buffer = grpc_byte_buffer_create(&slice, 1);
GPR_ASSERT(grpc_call_start_write(call, byte_buffer, (void *)1, 0) ==
GRPC_CALL_OK);
gpr_slice_unref(slice);
grpc_byte_buffer_destroy(byte_buffer);
}
int main(int argc, char **argv) {
grpc_channel *channel = NULL;
grpc_call *call = NULL;
grpc_event *ev = NULL;
grpc_byte_buffer_reader *bb_reader = NULL;
grpc_completion_queue *cq = NULL;
int bytes_written = 0;
int bytes_read = 0;
int i = 0;
int waiting_finishes;
gpr_slice read_slice;
grpc_test_init(argc, argv);
grpc_init();
cq = grpc_completion_queue_create();
GPR_ASSERT(argc == 2);
channel = grpc_channel_create(argv[1], NULL);
call = grpc_channel_create_call(channel, "/foo", "localhost", gpr_inf_future);
GPR_ASSERT(grpc_call_start_invoke(call, cq, (void *)1, (void *)1, (void *)1,
0) == GRPC_CALL_OK);
ev = grpc_completion_queue_next(cq, gpr_inf_future);
GPR_ASSERT(ev->data.invoke_accepted == GRPC_OP_OK);
grpc_event_finish(ev);
start_write_next_slice(call, bytes_written, WRITE_SLICE_LENGTH);
bytes_written += WRITE_SLICE_LENGTH;
GPR_ASSERT(grpc_call_start_read(call, (void *)1) == GRPC_CALL_OK);
waiting_finishes = 2;
while (waiting_finishes) {
ev = grpc_completion_queue_next(cq, gpr_inf_future);
switch (ev->type) {
case GRPC_WRITE_ACCEPTED:
if (bytes_written < TOTAL_BYTES) {
start_write_next_slice(call, bytes_written, WRITE_SLICE_LENGTH);
bytes_written += WRITE_SLICE_LENGTH;
} else {
GPR_ASSERT(grpc_call_writes_done(call, (void *)1) == GRPC_CALL_OK);
}
break;
case GRPC_CLIENT_METADATA_READ:
break;
case GRPC_READ:
bb_reader = grpc_byte_buffer_reader_create(ev->data.read);
while (grpc_byte_buffer_reader_next(bb_reader, &read_slice)) {
for (i = 0; i < GPR_SLICE_LENGTH(read_slice); i++) {
GPR_ASSERT(GPR_SLICE_START_PTR(read_slice)[i] == bytes_read % 256);
bytes_read++;
}
gpr_slice_unref(read_slice);
}
grpc_byte_buffer_reader_destroy(bb_reader);
if (bytes_read < TOTAL_BYTES) {
GPR_ASSERT(grpc_call_start_read(call, (void *)1) == GRPC_CALL_OK);
}
break;
case GRPC_FINISHED:
case GRPC_FINISH_ACCEPTED:
waiting_finishes--;
break;
default:
GPR_ASSERT(0 && "unexpected event");
break;
}
grpc_event_finish(ev);
}
GPR_ASSERT(bytes_read == TOTAL_BYTES);
gpr_log(GPR_INFO, "All data have been successfully echoed");
grpc_call_destroy(call);
grpc_channel_destroy(channel);
grpc_completion_queue_destroy(cq);
grpc_shutdown();
return 0;
}
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