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/*
* Copyright 2013 MongoDB, Inc.
*
* 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.
*/
/*
* This example can only be used internally to the library as it uses
* private features that are not exported in the public ABI. It does,
* however, illustrate some of the internals of the system.
*/
#include <fcntl.h>
#include <mongoc.h>
#include <mongoc-array-private.h>
#include <mongoc-rpc-private.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/types.h>
static void
validate (const char *name) /* IN */
{
mongoc_stream_t *stream;
mongoc_rpc_t rpc;
#ifdef _WIN32
struct _stat st;
#else
struct stat st;
#endif
uint8_t *buf;
int32_t len;
int ret;
stream = mongoc_stream_file_new_for_path (name, O_RDONLY, 0);
if (!stream) {
perror ("failed to open file");
exit (EXIT_FAILURE);
}
#ifdef _WIN32
ret = _stat (name, &st);
#else
ret = stat (name, &st);
#endif
if (ret != 0) {
perror ("failed to stat() file.");
exit (EXIT_FAILURE);
}
if ((st.st_size > (100 * 1024 * 1024)) || (st.st_size < 16)) {
fprintf (stderr, "%s: unreasonable message size\n", name);
exit (EXIT_FAILURE);
}
buf = (uint8_t *)bson_malloc (st.st_size);
if (buf == NULL) {
fprintf (stderr, "%s: Failed to malloc %d bytes.\n",
name, (int)st.st_size);
exit (EXIT_FAILURE);
}
if (st.st_size != mongoc_stream_read (stream, buf, st.st_size, st.st_size, -1)) {
fprintf (stderr, "%s: Failed to read %d bytes into buffer.\n",
name, (int)st.st_size);
exit (EXIT_FAILURE);
}
memcpy (&len, buf, 4);
len = BSON_UINT32_FROM_LE (len);
if (len != st.st_size) {
fprintf (stderr, "%s is invalid. Invalid Length.\n", name);
exit (EXIT_FAILURE);
}
if (!_mongoc_rpc_scatter (&rpc, buf, st.st_size)) {
fprintf (stderr, "%s is invalid. Invalid Format.\n", name);
exit (EXIT_FAILURE);
}
fprintf (stdout, "%s is valid.\n", name);
bson_free (buf);
}
int
main (int argc,
char *argv[])
{
int i;
if (argc < 2) {
fprintf (stderr, "usage: %s FILE...\n", argv[0]);
return EXIT_FAILURE;
}
mongoc_init ();
for (i = 1; i < argc; i++) {
validate (argv [i]);
}
return EXIT_SUCCESS;
}
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