[PATCH v3 2/3] test: remove unused resource API

[Stephen Hemminger <stephen@networkplumber.org>]

This API was used only for cfgfile tests and was never built
after the conversion to meson. Will be replaced by simpler
method of doing cfgfile tests.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
 app/test/meson.build     |   2 -
 app/test/resource.c      | 276 ---------------------------------------
 app/test/resource.h      | 106 ---------------
 app/test/test_resource.c | 104 ---------------
 4 files changed, 488 deletions(-)
 delete mode 100644 app/test/resource.c
 delete mode 100644 app/test/resource.h
 delete mode 100644 app/test/test_resource.c

diff --git a/app/test/meson.build b/app/test/meson.build
index e29258e6ec..62478c0bb6 100644
--- a/app/test/meson.build
+++ b/app/test/meson.build
@@ -20,7 +20,6 @@ test_cryptodev_deps = ['bus_vdev', 'net', 'cryptodev', 'security']
 source_file_deps = {
     # The C files providing functionality to other test cases
     'packet_burst_generator.c': packet_burst_generator_deps,
-#    'resource.c': [],          # unused currently.
     'sample_packet_forward.c': sample_packet_forward_deps,
     'virtual_pmd.c': virtual_pmd_deps,
 
@@ -154,7 +153,6 @@ source_file_deps = {
     'test_reciprocal_division_perf.c': [],
     'test_red.c': ['sched'],
     'test_reorder.c': ['reorder'],
-#    'test_resource.c': [],
     'test_rib.c': ['net', 'rib'],
     'test_rib6.c': ['net', 'rib'],
     'test_ring.c': ['ptr_compress'],
diff --git a/app/test/resource.c b/app/test/resource.c
deleted file mode 100644
index 34465f1668..0000000000
--- a/app/test/resource.c
+++ /dev/null
@@ -1,276 +0,0 @@
-/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2016 RehiveTech. All rights reserved.
- */
-
-#include <stdio.h>
-#include <string.h>
-#include <errno.h>
-#include <sys/queue.h>
-
-#include <rte_debug.h>
-
-#include "resource.h"
-
-struct resource_list resource_list = TAILQ_HEAD_INITIALIZER(resource_list);
-
-size_t resource_size(const struct resource *r)
-{
-	return r->end - r->begin;
-}
-
-const struct resource *resource_find(const char *name)
-{
-	struct resource *r;
-
-	TAILQ_FOREACH(r, &resource_list, next) {
-		RTE_VERIFY(r->name);
-
-		if (!strcmp(r->name, name))
-			return r;
-	}
-
-	return NULL;
-}
-
-int resource_fwrite(const struct resource *r, FILE *f)
-{
-	const size_t goal = resource_size(r);
-	size_t total = 0;
-
-	while (total < goal) {
-		size_t wlen = fwrite(r->begin + total, 1, goal - total, f);
-		if (wlen == 0) {
-			perror(__func__);
-			return -1;
-		}
-
-		total += wlen;
-	}
-
-	return 0;
-}
-
-int resource_fwrite_file(const struct resource *r, const char *fname)
-{
-	FILE *f;
-	int ret;
-
-	f = fopen(fname, "w");
-	if (f == NULL) {
-		perror(__func__);
-		return -1;
-	}
-
-	ret = resource_fwrite(r, f);
-	fclose(f);
-	return ret;
-}
-
-#ifdef RTE_APP_TEST_RESOURCE_TAR
-#include <archive.h>
-#include <archive_entry.h>
-
-static int do_copy(struct archive *r, struct archive *w)
-{
-	const void *buf;
-	size_t len;
-#if ARCHIVE_VERSION_NUMBER >= 3000000
-	int64_t off;
-#else
-	off_t off;
-#endif
-	int ret;
-
-	while (1) {
-		ret = archive_read_data_block(r, &buf, &len, &off);
-		if (ret == ARCHIVE_RETRY)
-			continue;
-
-		if (ret == ARCHIVE_EOF)
-			return 0;
-
-		if (ret != ARCHIVE_OK)
-			return ret;
-
-		do {
-			ret = archive_write_data_block(w, buf, len, off);
-			if (ret != ARCHIVE_OK && ret != ARCHIVE_RETRY)
-				return ret;
-		} while (ret != ARCHIVE_OK);
-	}
-}
-
-int resource_untar(const struct resource *res)
-{
-	struct archive *r;
-	struct archive *w;
-	struct archive_entry *e;
-	void *p;
-	int flags = 0;
-	int ret;
-
-	p = malloc(resource_size(res));
-	if (p == NULL)
-		rte_panic("Failed to malloc %zu B\n", resource_size(res));
-
-	memcpy(p, res->begin, resource_size(res));
-
-	r = archive_read_new();
-	if (r == NULL) {
-		free(p);
-		return -1;
-	}
-
-	archive_read_support_format_all(r);
-	archive_read_support_filter_all(r);
-
-	w = archive_write_disk_new();
-	if (w == NULL) {
-		archive_read_free(r);
-		free(p);
-		return -1;
-	}
-
-	flags |= ARCHIVE_EXTRACT_PERM;
-	flags |= ARCHIVE_EXTRACT_FFLAGS;
-	archive_write_disk_set_options(w, flags);
-	archive_write_disk_set_standard_lookup(w);
-
-	ret = archive_read_open_memory(r, p, resource_size(res));
-	if (ret != ARCHIVE_OK)
-		goto fail;
-
-	while (1) {
-		ret = archive_read_next_header(r, &e);
-		if (ret == ARCHIVE_EOF)
-			break;
-		if (ret != ARCHIVE_OK)
-			goto fail;
-
-		ret = archive_write_header(w, e);
-		if (ret == ARCHIVE_EOF)
-			break;
-		if (ret != ARCHIVE_OK)
-			goto fail;
-
-		if (archive_entry_size(e) == 0)
-			continue;
-
-		ret = do_copy(r, w);
-		if (ret != ARCHIVE_OK)
-			goto fail;
-
-		ret = archive_write_finish_entry(w);
-		if (ret != ARCHIVE_OK)
-			goto fail;
-	}
-
-	archive_write_free(w);
-	archive_read_free(r);
-	free(p);
-	return 0;
-
-fail:
-	archive_write_free(w);
-	archive_read_free(r);
-	free(p);
-	rte_panic("Failed: %s\n", archive_error_string(r));
-	return -1;
-}
-
-int resource_rm_by_tar(const struct resource *res)
-{
-	struct archive *r;
-	struct archive_entry *e;
-	void *p;
-	int try_again = 1;
-	int attempts = 0;
-	int ret;
-
-	p = malloc(resource_size(res));
-	if (p == NULL)
-		rte_panic("Failed to malloc %zu B\n", resource_size(res));
-
-	memcpy(p, res->begin, resource_size(res));
-
-	/*
-	 * If somebody creates a file somewhere inside the extracted TAR
-	 * hierarchy during a test the resource_rm_by_tar might loop
-	 * infinitely. We prevent this by adding the attempts counter there.
-	 * In normal case, max N iteration is done where N is the depth of
-	 * the file-hierarchy.
-	 */
-	while (try_again && attempts < 10000) {
-		r = archive_read_new();
-		if (r == NULL) {
-			free(p);
-			return -1;
-		}
-
-		archive_read_support_format_all(r);
-		archive_read_support_filter_all(r);
-
-		ret = archive_read_open_memory(r, p, resource_size(res));
-		if (ret != ARCHIVE_OK) {
-			fprintf(stderr, "Failed: %s\n",
-					archive_error_string(r));
-			goto fail;
-		}
-
-		try_again = 0;
-
-		while (1) {
-			ret = archive_read_next_header(r, &e);
-			if (ret == ARCHIVE_EOF)
-				break;
-			if (ret != ARCHIVE_OK)
-				goto fail;
-
-			ret = remove(archive_entry_pathname(e));
-			if (ret < 0) {
-				switch (errno) {
-				case ENOTEMPTY:
-				case EEXIST:
-					try_again = 1;
-					break;
-
-				/* should not usually happen: */
-				case ENOENT:
-				case ENOTDIR:
-				case EROFS:
-					attempts += 1;
-					continue;
-				default:
-					perror("Failed to remove file");
-					goto fail;
-				}
-			}
-		}
-
-		archive_read_free(r);
-		attempts += 1;
-	}
-
-	if (attempts >= 10000) {
-		fprintf(stderr, "Failed to remove archive\n");
-		free(p);
-		return -1;
-	}
-
-	free(p);
-	return 0;
-
-fail:
-	archive_read_free(r);
-	free(p);
-
-	rte_panic("Failed: %s\n", archive_error_string(r));
-	return -1;
-}
-
-#endif /* RTE_APP_TEST_RESOURCE_TAR */
-
-void resource_register(struct resource *r)
-{
-	TAILQ_INSERT_TAIL(&resource_list, r, next);
-}
diff --git a/app/test/resource.h b/app/test/resource.h
deleted file mode 100644
index c75ebd4b5d..0000000000
--- a/app/test/resource.h
+++ /dev/null
@@ -1,106 +0,0 @@
-/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2016 RehiveTech. All rights reserved.
- */
-
-#ifndef _RESOURCE_H_
-#define _RESOURCE_H_
-
-/**
- * @file
- *
- * Test Resource API
- *
- * Each test can require and use some external resources. Usually, an external
- * resource is a file or a filesystem sub-hierarchy. A resource is included
- * inside the test executable.
- */
-
-#include <sys/queue.h>
-#include <stdio.h>
-#include <stddef.h>
-
-#include <rte_eal.h>
-#include <rte_common.h>
-
-TAILQ_HEAD(resource_list, resource);
-extern struct resource_list resource_list;
-
-/**
- * Representation of a resource. It points to the resource's binary data.
- * The semantics of the binary data are defined by the target test.
- */
-struct resource {
-	const char *name;  /**< Unique name of the resource */
-	const char *begin; /**< Start of resource data */
-	const char *end;   /**< End of resource data */
-	TAILQ_ENTRY(resource) next;
-};
-
-/**
- * @return size of the given resource
- */
-size_t resource_size(const struct resource *r);
-
-/**
- * Find a resource by name in the global list of resources.
- */
-const struct resource *resource_find(const char *name);
-
-/**
- * Write the raw data of the resource to the given file.
- * @return 0 on success
- */
-int resource_fwrite(const struct resource *r, FILE *f);
-
-/**
- * Write the raw data of the resource to the given file given by name.
- * The name is relative to the current working directory.
- * @return 0 on success
- */
-int resource_fwrite_file(const struct resource *r, const char *fname);
-
-/**
- * Treat the given resource as a tar archive. Extract
- * the archive to the current directory.
- */
-int resource_untar(const struct resource *res);
-
-/**
- * Treat the given resource as a tar archive. Remove
- * all files (related to the current directory) listed
- * in the tar archive.
- */
-int resource_rm_by_tar(const struct resource *res);
-
-/**
- * Register a resource in the global list of resources.
- * Not intended for direct use, please check the REGISTER_RESOURCE
- * macro.
- */
-void resource_register(struct resource *r);
-
-/**
- * Definition of a resource linked externally (by means of the used toolchain).
- * Only the base name of the resource is expected. The name refers to the
- * linked pointers beg_<name> and end_<name> provided externally.
- */
-#define REGISTER_LINKED_RESOURCE(n) \
-extern const char beg_ ##n;         \
-extern const char end_ ##n;         \
-REGISTER_RESOURCE(n, &beg_ ##n, &end_ ##n) \
-
-/**
- * Definition of a resource described by its name, and pointers begin, end.
- */
-#define REGISTER_RESOURCE(n, b, e) \
-static struct resource linkres_ ##n = {       \
-	.name = RTE_STR(n),     \
-	.begin = b,             \
-	.end = e,               \
-};                              \
-RTE_INIT(resinitfn_ ##n)	\
-{                               \
-	resource_register(&linkres_ ##n);  \
-}
-
-#endif
diff --git a/app/test/test_resource.c b/app/test/test_resource.c
deleted file mode 100644
index 05c27db203..0000000000
--- a/app/test/test_resource.c
+++ /dev/null
@@ -1,104 +0,0 @@
-/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2016 RehiveTech. All rights reserved.
- */
-
-#include <stdio.h>
-#include <string.h>
-
-#include "test.h"
-#include "resource.h"
-
-const char test_resource_dpdk_blob[] = {
-	'\x44', '\x50', '\x44', '\x4b', '\x00'
-};
-
-REGISTER_RESOURCE(test_resource_dpdk,
-		test_resource_dpdk_blob, test_resource_dpdk_blob + 4);
-
-static int test_resource_dpdk(void)
-{
-	const struct resource *r;
-
-	r = resource_find("test_resource_dpdk");
-	TEST_ASSERT_NOT_NULL(r, "Could not find test_resource_dpdk");
-	TEST_ASSERT(!strcmp(r->name, "test_resource_dpdk"),
-			"Found resource %s, expected test_resource_dpdk",
-			r->name);
-
-	TEST_ASSERT(!strncmp("DPDK", r->begin, 4),
-			"Unexpected payload: %.4s...", r->begin);
-
-	return 0;
-}
-
-REGISTER_LINKED_RESOURCE(test_resource_c);
-
-static int test_resource_c(void)
-{
-	const struct resource *r;
-	FILE *f;
-
-	r = resource_find("test_resource_c");
-	TEST_ASSERT_NOT_NULL(r, "No test_resource_c found");
-	TEST_ASSERT(!strcmp(r->name, "test_resource_c"),
-			"Found resource %s, expected test_resource_c",
-			r->name);
-
-	TEST_ASSERT_SUCCESS(resource_fwrite_file(r, "test_resource.c"),
-			"Failed to write file %s", r->name);
-
-	f = fopen("test_resource.c", "r");
-	TEST_ASSERT_NOT_NULL(f,
-			"Missing extracted file resource.c");
-	fclose(f);
-	remove("test_resource.c");
-
-	return 0;
-}
-
-#ifdef RTE_APP_TEST_RESOURCE_TAR
-REGISTER_LINKED_RESOURCE(test_resource_tar);
-
-static int test_resource_tar(void)
-{
-	const struct resource *r;
-	FILE *f;
-
-	r = resource_find("test_resource_tar");
-	TEST_ASSERT_NOT_NULL(r, "No test_resource_tar found");
-	TEST_ASSERT(!strcmp(r->name, "test_resource_tar"),
-			"Found resource %s, expected test_resource_tar",
-			r->name);
-
-	TEST_ASSERT_SUCCESS(resource_untar(r),
-			"Failed to to untar %s", r->name);
-
-	f = fopen("test_resource.c", "r");
-	TEST_ASSERT_NOT_NULL(f,
-			"Missing extracted file test_resource.c");
-	fclose(f);
-
-	TEST_ASSERT_SUCCESS(resource_rm_by_tar(r),
-			"Failed to remove extracted contents of %s", r->name);
-	return 0;
-}
-
-#endif /* RTE_APP_TEST_RESOURCE_TAR */
-
-static int test_resource(void)
-{
-	if (test_resource_dpdk())
-		return -1;
-
-	if (test_resource_c())
-		return -1;
-
-#ifdef RTE_APP_TEST_RESOURCE_TAR
-	if (test_resource_tar())
-		return -1;
-#endif /* RTE_APP_TEST_RESOURCE_TAR */
-
-	return 0;
-}
-
-REGISTER_TEST_COMMAND(resource_autotest, test_resource);
-- 
2.43.0