summaryrefslogtreecommitdiffstats
path: root/src/spdk/test/app/jsoncat
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--src/spdk/test/app/jsoncat/.gitignore1
-rw-r--r--src/spdk/test/app/jsoncat/Makefile55
-rw-r--r--src/spdk/test/app/jsoncat/jsoncat.c229
3 files changed, 285 insertions, 0 deletions
diff --git a/src/spdk/test/app/jsoncat/.gitignore b/src/spdk/test/app/jsoncat/.gitignore
new file mode 100644
index 00000000..3e6db4f0
--- /dev/null
+++ b/src/spdk/test/app/jsoncat/.gitignore
@@ -0,0 +1 @@
+jsoncat
diff --git a/src/spdk/test/app/jsoncat/Makefile b/src/spdk/test/app/jsoncat/Makefile
new file mode 100644
index 00000000..2bbba95b
--- /dev/null
+++ b/src/spdk/test/app/jsoncat/Makefile
@@ -0,0 +1,55 @@
+#
+# BSD LICENSE
+#
+# Copyright (c) Intel Corporation.
+# 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 Intel Corporation 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.
+#
+
+SPDK_ROOT_DIR := $(abspath $(CURDIR)/../../..)
+include $(SPDK_ROOT_DIR)/mk/spdk.common.mk
+include $(SPDK_ROOT_DIR)/mk/spdk.app.mk
+
+APP = jsoncat
+
+C_SRCS = jsoncat.c
+
+SPDK_LIB_LIST = json thread util log
+
+LIBS += $(SPDK_LIB_LINKER_ARGS) $(ENV_LINKER_ARGS)
+
+all: $(APP)
+ @:
+
+$(APP): $(OBJS) $(SPDK_LIB_FILES)
+ $(LINK_C)
+
+clean:
+ $(CLEAN_C) $(APP)
+
+include $(SPDK_ROOT_DIR)/mk/spdk.deps.mk
diff --git a/src/spdk/test/app/jsoncat/jsoncat.c b/src/spdk/test/app/jsoncat/jsoncat.c
new file mode 100644
index 00000000..9984e32b
--- /dev/null
+++ b/src/spdk/test/app/jsoncat/jsoncat.c
@@ -0,0 +1,229 @@
+/*-
+ * BSD LICENSE
+ *
+ * Copyright (c) Intel Corporation.
+ * 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 Intel Corporation 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.
+ */
+
+/* Simple JSON "cat" utility */
+
+#include "spdk/stdinc.h"
+
+#include "spdk/json.h"
+
+static void
+usage(const char *prog)
+{
+ printf("usage: %s [-c] [-f] file.json\n", prog);
+ printf("Options:\n");
+ printf("-c\tallow comments in input (non-standard)\n");
+ printf("-f\tformatted output (default: compact output)\n");
+}
+
+static void
+print_json_error(FILE *pf, int rc, const char *filename)
+{
+ switch (rc) {
+ case SPDK_JSON_PARSE_INVALID:
+ fprintf(pf, "%s: invalid JSON\n", filename);
+ break;
+ case SPDK_JSON_PARSE_INCOMPLETE:
+ fprintf(pf, "%s: incomplete JSON\n", filename);
+ break;
+ case SPDK_JSON_PARSE_MAX_DEPTH_EXCEEDED:
+ fprintf(pf, "%s: maximum nesting depth exceeded\n", filename);
+ break;
+ default:
+ fprintf(pf, "%s: unknown JSON parse error\n", filename);
+ break;
+ }
+}
+
+static int
+json_write_cb(void *cb_ctx, const void *data, size_t size)
+{
+ FILE *f = cb_ctx;
+ size_t rc;
+
+ rc = fwrite(data, 1, size, f);
+ return rc == size ? 0 : -1;
+}
+
+static void *
+read_file(FILE *f, size_t *psize)
+{
+ void *buf, *newbuf;
+ size_t cur_size, buf_size, rc;
+
+ buf = NULL;
+ cur_size = 0;
+ buf_size = 128 * 1024;
+
+ while (buf_size <= 1024 * 1024 * 1024) {
+ newbuf = realloc(buf, buf_size);
+ if (newbuf == NULL) {
+ free(buf);
+ return NULL;
+ }
+ buf = newbuf;
+
+ rc = fread(buf + cur_size, 1, buf_size - cur_size, f);
+ cur_size += rc;
+
+ if (feof(f)) {
+ *psize = cur_size;
+ return buf;
+ }
+
+ if (ferror(f)) {
+ free(buf);
+ return NULL;
+ }
+
+ buf_size *= 2;
+ }
+
+ free(buf);
+ return NULL;
+}
+
+static int
+process_file(const char *filename, FILE *f, uint32_t parse_flags, uint32_t write_flags)
+{
+ size_t size;
+ void *buf, *end;
+ ssize_t rc;
+ struct spdk_json_val *values;
+ size_t num_values;
+ struct spdk_json_write_ctx *w;
+
+ buf = read_file(f, &size);
+ if (buf == NULL) {
+ fprintf(stderr, "%s: file read error\n", filename);
+ return 1;
+ }
+
+ rc = spdk_json_parse(buf, size, NULL, 0, NULL, parse_flags);
+ if (rc <= 0) {
+ print_json_error(stderr, rc, filename);
+ free(buf);
+ return 1;
+ }
+
+ num_values = (size_t)rc;
+ values = calloc(num_values, sizeof(*values));
+ if (values == NULL) {
+ perror("values calloc");
+ free(buf);
+ return 1;
+ }
+
+ rc = spdk_json_parse(buf, size, values, num_values, &end,
+ parse_flags | SPDK_JSON_PARSE_FLAG_DECODE_IN_PLACE);
+ if (rc <= 0) {
+ print_json_error(stderr, rc, filename);
+ free(values);
+ free(buf);
+ return 1;
+ }
+
+ w = spdk_json_write_begin(json_write_cb, stdout, write_flags);
+ if (w == NULL) {
+ fprintf(stderr, "json_write_begin failed\n");
+ free(values);
+ free(buf);
+ return 1;
+ }
+
+ spdk_json_write_val(w, values);
+ spdk_json_write_end(w);
+ printf("\n");
+
+ if (end != buf + size) {
+ fprintf(stderr, "%s: garbage at end of file\n", filename);
+ free(values);
+ free(buf);
+ return 1;
+ }
+
+ free(values);
+ free(buf);
+ return 0;
+}
+
+int
+main(int argc, char **argv)
+{
+ FILE *f;
+ int ch;
+ int rc;
+ uint32_t parse_flags = 0, write_flags = 0;
+ const char *filename;
+
+ while ((ch = getopt(argc, argv, "cf")) != -1) {
+ switch (ch) {
+ case 'c':
+ parse_flags |= SPDK_JSON_PARSE_FLAG_ALLOW_COMMENTS;
+ break;
+ case 'f':
+ write_flags |= SPDK_JSON_WRITE_FLAG_FORMATTED;
+ break;
+ default:
+ usage(argv[0]);
+ return 1;
+ }
+ }
+
+ if (optind == argc) {
+ filename = "-";
+ } else if (optind == argc - 1) {
+ filename = argv[optind];
+ } else {
+ usage(argv[0]);
+ return 1;
+ }
+
+ if (strcmp(filename, "-") == 0) {
+ f = stdin;
+ } else {
+ f = fopen(filename, "r");
+ if (f == NULL) {
+ perror("fopen");
+ return 1;
+ }
+ }
+
+ rc = process_file(filename, f, parse_flags, write_flags);
+
+ if (f != stdin) {
+ fclose(f);
+ }
+
+ return rc;
+}