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/*
* Copyright (c) CERN 2013-2017
*
* Copyright (c) Members of the EMI Collaboration. 2010-2013
* See http://www.eu-emi.eu/partners for details on the copyright
* holders.
*
* 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.
*/
/* random read
* regression for DMC-531
* random write is not tested because most storage elements will fail if this is attempted
* Sequential writes calling seek should work, however
*/
#include <gtest/gtest.h>
#include <fcntl.h>
#include <stdio.h>
#include <gfal_api.h>
#include <stdlib.h>
#include <common/gfal_lib_test.h>
#include <common/gfal_gtest_asserts.h>
#include <utils/exceptions/gerror_to_cpp.h>
class RwSeekTest: public testing::Test {
public:
static const char* root;
static long block_size, file_size;
char surl[2048];
gfal2_context_t context;
RwSeekTest() {
GError *error = NULL;
context = gfal2_context_new(&error);
Gfal::gerror_to_cpp(&error);
}
virtual ~RwSeekTest() {
gfal2_context_free(context);
}
virtual void SetUp() {
generate_random_uri(root, "rwseek_test", surl, sizeof(surl));
}
virtual void TearDown() {
GError* error = NULL;
gfal2_unlink(context, surl, &error);
g_clear_error(&error);
}
};
const char* RwSeekTest::root;
long RwSeekTest::block_size = 0;
long RwSeekTest::file_size = 0;
// Only seeking sequentially
TEST_F(RwSeekTest, SeqWriteSeek)
{
char buffer[file_size];
GError* error = NULL;
int fd = gfal2_open(context, surl, O_WRONLY | O_CREAT, &error);
EXPECT_PRED_FORMAT2(AssertGfalSuccess, fd, error);
int i = 0, ret, nb;
while (i < file_size) {
long j = ((i + block_size) < file_size) ? block_size : file_size - i;
ret = gfal2_lseek(context, fd, i, SEEK_SET, &error);
ASSERT_NE(-1, ret);
EXPECT_PRED_FORMAT2(AssertGfalSuccess, fd, error);
nb = gfal2_write(context, fd, buffer + i, j, &error);
ASSERT_NE(-1, nb);
EXPECT_PRED_FORMAT2(AssertGfalSuccess, fd, error);
i += j;
}
ret = gfal2_close(context, fd, &error);
EXPECT_PRED_FORMAT2(AssertGfalSuccess, fd, error);
}
TEST_F(RwSeekTest, ReadSeek)
{
// Create
char buffer[file_size];
GError* error = NULL;
int fd = gfal2_open(context, surl, O_WRONLY | O_CREAT, &error);
EXPECT_PRED_FORMAT2(AssertGfalSuccess, fd, error);
int ret = gfal2_write(context, fd, buffer, sizeof(buffer), &error);
ASSERT_NE(-1, ret);
EXPECT_PRED_FORMAT2(AssertGfalSuccess, fd, error);
ret = gfal2_close(context, fd, &error);
EXPECT_PRED_FORMAT2(AssertGfalSuccess, fd, error);
// Read
fd = gfal2_open(context, surl, O_RDONLY, &error);
EXPECT_PRED_FORMAT2(AssertGfalSuccess, fd, error);
off_t offset = file_size / 2;
ret = gfal2_lseek(context, fd, offset, SEEK_SET, &error);
ASSERT_NE(-1, ret);
EXPECT_PRED_FORMAT2(AssertGfalSuccess, fd, error);
ret = gfal2_read(context, fd, buffer, sizeof(buffer), &error);
ASSERT_NE(-1, ret);
EXPECT_PRED_FORMAT2(AssertGfalSuccess, fd, error);
ret = gfal2_close(context, fd, &error);
EXPECT_PRED_FORMAT2(AssertGfalSuccess, fd, error);
}
int main(int argc, char** argv)
{
testing::InitGoogleTest(&argc, argv);
if (argc != 4) {
printf("Missing base url and/or sizes\n");
printf("\t%s [options] srm://host/base/path/ <block size> <file size>\n", argv[0]);
return 1;
}
RwSeekTest::root = argv[1];
RwSeekTest::block_size = atol(argv[2]);
RwSeekTest::file_size = atol(argv[3]);
if (RwSeekTest::file_size / 2 < RwSeekTest::block_size) {
fprintf(stderr, "block size should be less than half the file size\n");
exit(1);
}
return RUN_ALL_TESTS();
}
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