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api_knet_handle_compress.c
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/*
* Copyright (C) 2017-2024 Red Hat, Inc. All rights reserved.
*
* Authors: Fabio M. Di Nitto <fabbione@kronosnet.org>
*
* This software licensed under GPL-2.0+
*/
#include "config.h"
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "libknet.h"
#include "internals.h"
#include "test-common.h"
static void test(void)
{
knet_handle_t knet_h1, knet_h[2];
int logfds[2];
int res;
struct knet_handle_compress_cfg knet_handle_compress_cfg;
memset(&knet_handle_compress_cfg, 0, sizeof(struct knet_handle_compress_cfg));
setup_logpipes(logfds);
printf("Test knet_handle_compress incorrect knet_h\n");
if ((!knet_handle_compress(NULL, &knet_handle_compress_cfg)) || (errno != EINVAL)) {
printf("knet_handle_compress accepted invalid knet_h or returned incorrect error: %s\n", strerror(errno));
exit(FAIL);
}
knet_h1 = knet_handle_start(logfds, KNET_LOG_DEBUG, knet_h);
printf("Test knet_handle_compress with invalid cfg\n");
FAIL_ON_SUCCESS(knet_handle_compress(knet_h1, NULL), EINVAL);
printf("Test knet_handle_compress with un-initialized cfg\n");
memset(&knet_handle_compress_cfg, 0, sizeof(struct knet_handle_compress_cfg));
FAIL_ON_SUCCESS(knet_handle_compress(knet_h1, &knet_handle_compress_cfg), EINVAL);
printf("Test knet_handle_compress with none compress model (disable compress)\n");
memset(&knet_handle_compress_cfg, 0, sizeof(struct knet_handle_compress_cfg));
strncpy(knet_handle_compress_cfg.compress_model, "none", sizeof(knet_handle_compress_cfg.compress_model) - 1);
FAIL_ON_ERR(knet_handle_compress(knet_h1, &knet_handle_compress_cfg));
#if WITH_COMPRESS_BZIP2 > 0
printf("Test knet_handle_compress with bzip2 (no default) with negative level (-3)\n");
memset(&knet_handle_compress_cfg, 0, sizeof(struct knet_handle_compress_cfg));
strncpy(knet_handle_compress_cfg.compress_model, "bzip2", sizeof(knet_handle_compress_cfg.compress_model) - 1);
knet_handle_compress_cfg.compress_level = -3;
FAIL_ON_SUCCESS(knet_handle_compress(knet_h1, &knet_handle_compress_cfg), EINVAL);
#endif
printf("Test knet_handle_compress with zlib compress and not effective compression level (0)\n");
memset(&knet_handle_compress_cfg, 0, sizeof(struct knet_handle_compress_cfg));
strncpy(knet_handle_compress_cfg.compress_model, "zlib", sizeof(knet_handle_compress_cfg.compress_model) - 1);
knet_handle_compress_cfg.compress_level = 0;
FAIL_ON_ERR(knet_handle_compress(knet_h1, &knet_handle_compress_cfg));
printf("Test knet_handle_compress with zlib compress and negative level (-2)\n");
memset(&knet_handle_compress_cfg, 0, sizeof(struct knet_handle_compress_cfg));
strncpy(knet_handle_compress_cfg.compress_model, "zlib", sizeof(knet_handle_compress_cfg.compress_model) - 1);
knet_handle_compress_cfg.compress_level = -2;
FAIL_ON_SUCCESS(knet_handle_compress(knet_h1, &knet_handle_compress_cfg), EINVAL);
printf("Test knet_handle_compress with zlib compress and excessive compress level\n");
memset(&knet_handle_compress_cfg, 0, sizeof(struct knet_handle_compress_cfg));
strncpy(knet_handle_compress_cfg.compress_model, "zlib", sizeof(knet_handle_compress_cfg.compress_model) - 1);
knet_handle_compress_cfg.compress_level = 10;
FAIL_ON_SUCCESS(knet_handle_compress(knet_h1, &knet_handle_compress_cfg), EINVAL);
printf("Test knet_handle_compress with zlib compress and excessive compress threshold\n");
memset(&knet_handle_compress_cfg, 0, sizeof(struct knet_handle_compress_cfg));
strncpy(knet_handle_compress_cfg.compress_model, "zlib", sizeof(knet_handle_compress_cfg.compress_model) - 1);
knet_handle_compress_cfg.compress_level = 1;
knet_handle_compress_cfg.compress_threshold = KNET_MAX_PACKET_SIZE +1;
FAIL_ON_SUCCESS(knet_handle_compress(knet_h1, &knet_handle_compress_cfg), EINVAL);
printf("Test knet_handle_compress with zlib compress model normal compress level and threshold\n");
memset(&knet_handle_compress_cfg, 0, sizeof(struct knet_handle_compress_cfg));
strncpy(knet_handle_compress_cfg.compress_model, "zlib", sizeof(knet_handle_compress_cfg.compress_model) - 1);
knet_handle_compress_cfg.compress_level = 1;
knet_handle_compress_cfg.compress_threshold = 64;
FAIL_ON_ERR(knet_handle_compress(knet_h1, &knet_handle_compress_cfg));
CLEAN_EXIT(CONTINUE);
}
int main(int argc, char *argv[])
{
struct knet_compress_info compress_list[16];
size_t compress_list_entries;
size_t i;
memset(compress_list, 0, sizeof(compress_list));
if (knet_get_compress_list(compress_list, &compress_list_entries) < 0) {
printf("knet_get_compress_list failed: %s\n", strerror(errno));
return FAIL;
}
if (compress_list_entries == 0) {
printf("no compression modules detected. Skipping\n");
return SKIP;
}
for (i=0; i < compress_list_entries; i++) {
if (!strcmp(compress_list[i].name, "zlib")) {
test();
return PASS;
}
}
printf("WARNING: zlib support not builtin the library. Unable to test/verify internal compress API calls\n");
return SKIP;
}

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