static void test_remove_by_filename (void) { mongoc_gridfs_t *gridfs; mongoc_gridfs_file_t *file; mongoc_gridfs_file_opt_t opt = { 0 }; mongoc_client_t *client; bson_error_t error; bool ret; client = mongoc_client_new (gTestUri); assert (client); gridfs = get_test_gridfs (client, "fs_remove_by_filename", &error); assert (gridfs); mongoc_gridfs_drop (gridfs, &error); opt.filename = "foo_file_1.txt"; file = mongoc_gridfs_create_file (gridfs, &opt); assert (file); assert (mongoc_gridfs_file_save (file)); mongoc_gridfs_file_destroy (file); opt.filename = "foo_file_2.txt"; file = mongoc_gridfs_create_file (gridfs, &opt); assert (file); assert (mongoc_gridfs_file_save (file)); ret = mongoc_gridfs_remove_by_filename (gridfs, "foo_file_1.txt", &error); if (!ret) fprintf (stderr, "ERROR: %s\n", error.message); assert (ret); mongoc_gridfs_file_destroy (file); file = mongoc_gridfs_find_one_by_filename (gridfs, "foo_file_1.txt", &error); assert (!file); file = mongoc_gridfs_find_one_by_filename (gridfs, "foo_file_2.txt", &error); assert (file); mongoc_gridfs_file_destroy (file); drop_collections (gridfs, &error); mongoc_gridfs_destroy (gridfs); mongoc_client_destroy (client); }
static void * _multi_download_thread (void *p) { multi_download_thread_context_t *ctx; FILE *fp; mongoc_gridfs_file_t *file; bson_error_t error; char buf[BUF_SZ]; mongoc_iovec_t iov; ssize_t sz; ctx = (multi_download_thread_context_t *) p; fp = fopen (ctx->path, "w+"); if (!fp) { perror ("fopen"); abort (); } file = mongoc_gridfs_find_one_by_filename (ctx->gridfs, ctx->filename, &error); if (!file) { MONGOC_ERROR ("find_one_by_filename: %s\n", error.message); abort (); } iov.iov_base = buf; iov.iov_len = BUF_SZ; for (;;) { /* a 255k chunk at a time */ sz = mongoc_gridfs_file_readv (file, &iov, 1, /* iov count */ 1, /* min bytes */ 0 /* timeout */); if (!sz) { break; } assert (sz > 0); fwrite (iov.iov_base, sizeof (char), (size_t) sz, fp); } if (mongoc_gridfs_file_error (file, &error)) { MONGOC_ERROR ("gridfs_file_readv: %s\n", error.message); abort (); } mongoc_gridfs_file_destroy (file); fclose (fp); return (void *) 1; }
static void test_remove (void) { mongoc_gridfs_t *gridfs; mongoc_gridfs_file_t *file; mongoc_gridfs_file_opt_t opts = { 0 }; mongoc_client_t *client; bson_error_t error; bool r; char name[32]; client = mongoc_client_new (gTestUri); assert (client); gridfs = mongoc_client_get_gridfs (client, "test", "foo", &error); assert (gridfs); mongoc_gridfs_drop (gridfs, &error); bson_snprintf (name, sizeof name, "test-remove.%u", rand ()); opts.filename = name; file = mongoc_gridfs_create_file (gridfs, &opts); assert (file); assert (mongoc_gridfs_file_save (file)); r = mongoc_gridfs_file_remove (file, &error); if (!r) fprintf (stderr, "%s\n", error.message); assert (r); mongoc_gridfs_file_destroy (file); file = mongoc_gridfs_find_one_by_filename (gridfs, name, &error); assert (!file); drop_collections (gridfs, &error); mongoc_gridfs_destroy (gridfs); mongoc_client_destroy (client); }
static void test_list (void) { mongoc_gridfs_t *gridfs; mongoc_gridfs_file_t *file; mongoc_client_t *client; bson_error_t error; mongoc_gridfs_file_list_t *list; mongoc_gridfs_file_opt_t opt = { 0 }; bson_t query, child; char buf[100]; int i = 0; client = mongoc_client_new (gTestUri); assert (client); gridfs = get_test_gridfs (client, "list", &error); assert (gridfs); mongoc_gridfs_drop (gridfs, &error); for (i = 0; i < 3; i++) { bson_snprintf (buf, sizeof buf, "file.%d", i); opt.filename = buf; file = mongoc_gridfs_create_file (gridfs, &opt); assert (file); assert (mongoc_gridfs_file_save (file)); mongoc_gridfs_file_destroy (file); } bson_init (&query); bson_append_document_begin (&query, "$orderby", -1, &child); bson_append_int32 (&child, "filename", -1, 1); bson_append_document_end (&query, &child); bson_append_document_begin (&query, "$query", -1, &child); bson_append_document_end (&query, &child); list = mongoc_gridfs_find (gridfs, &query); bson_destroy (&query); i = 0; while ((file = mongoc_gridfs_file_list_next (list))) { bson_snprintf (buf, sizeof buf, "file.%d", i++); assert (strcmp (mongoc_gridfs_file_get_filename (file), buf) == 0); mongoc_gridfs_file_destroy (file); } assert(i == 3); mongoc_gridfs_file_list_destroy (list); bson_init (&query); bson_append_utf8 (&query, "filename", -1, "file.1", -1); file = mongoc_gridfs_find_one (gridfs, &query, &error); assert (file); assert (strcmp (mongoc_gridfs_file_get_filename (file), "file.1") == 0); mongoc_gridfs_file_destroy (file); file = mongoc_gridfs_find_one_by_filename (gridfs, "file.1", &error); assert (file); assert (strcmp (mongoc_gridfs_file_get_filename (file), "file.1") == 0); mongoc_gridfs_file_destroy (file); drop_collections (gridfs, &error); mongoc_gridfs_destroy (gridfs); mongoc_client_destroy (client); }
int main (int argc, char *argv[]) { mongoc_gridfs_t *gridfs; mongoc_gridfs_file_t *file; mongoc_gridfs_file_list_t *list; mongoc_gridfs_file_opt_t opt = { 0 }; mongoc_client_t *client; mongoc_stream_t *stream; bson_t query; bson_t child; bson_error_t error; ssize_t r; char buf[4096]; mongoc_iovec_t iov; const char * filename; const char * command; if (argc < 2) { fprintf(stderr, "usage - %s command ...\n", argv[0]); return 1; } mongoc_init(); iov.iov_base = (void *)buf; iov.iov_len = sizeof buf; /* connect to localhost client */ client = mongoc_client_new ("mongodb://127.0.0.1:27017"); assert(client); /* grab a gridfs handle in test prefixed by fs */ gridfs = mongoc_client_get_gridfs (client, "test", "fs", &error); assert(gridfs); command = argv[1]; filename = argv[2]; if (strcmp(command, "read") == 0) { if (argc != 3) { fprintf(stderr, "usage - %s read filename\n", argv[0]); return 1; } file = mongoc_gridfs_find_one_by_filename(gridfs, filename, &error); assert(file); stream = mongoc_stream_gridfs_new (file); assert(stream); for (;;) { r = mongoc_stream_readv (stream, &iov, 1, -1, 0); assert (r >= 0); if (r == 0) { break; } if (fwrite (iov.iov_base, 1, r, stdout) != r) { MONGOC_ERROR ("Failed to write to stdout. Exiting.\n"); exit (1); } } mongoc_stream_destroy (stream); mongoc_gridfs_file_destroy (file); } else if (strcmp(command, "list") == 0) { bson_init (&query); bson_append_document_begin (&query, "$orderby", -1, &child); bson_append_int32 (&child, "filename", -1, 1); bson_append_document_end (&query, &child); bson_append_document_begin (&query, "$query", -1, &child); bson_append_document_end (&query, &child); list = mongoc_gridfs_find (gridfs, &query); bson_destroy (&query); while ((file = mongoc_gridfs_file_list_next (list))) { const char * name = mongoc_gridfs_file_get_filename(file); printf("%s\n", name ? name : "?"); mongoc_gridfs_file_destroy (file); } mongoc_gridfs_file_list_destroy (list); } else if (strcmp(command, "write") == 0) { if (argc != 4) { fprintf(stderr, "usage - %s write filename input_file\n", argv[0]); return 1; } stream = mongoc_stream_file_new_for_path (argv [3], O_RDONLY, 0); assert (stream); opt.filename = filename; file = mongoc_gridfs_create_file_from_stream (gridfs, stream, &opt); assert(file); mongoc_gridfs_file_save(file); mongoc_gridfs_file_destroy(file); } else { fprintf(stderr, "Unknown command"); return 1; } mongoc_gridfs_destroy (gridfs); mongoc_client_destroy (client); mongoc_cleanup (); return 0; }
int main (int argc, char *argv[]) { mongoc_gridfs_t *gridfs; mongoc_gridfs_file_t *file; mongoc_gridfs_file_list_t *list; mongoc_gridfs_file_opt_t opt = {0}; mongoc_client_t *client; mongoc_stream_t *stream; bson_t filter; bson_t opts; bson_t child; bson_error_t error; ssize_t r; char buf[4096]; mongoc_iovec_t iov; const char *filename; const char *command; bson_value_t id; if (argc < 2) { fprintf (stderr, "usage - %s command ...\n", argv[0]); return 1; } mongoc_init (); iov.iov_base = (void *) buf; iov.iov_len = sizeof buf; /* connect to localhost client */ client = mongoc_client_new ("mongodb://127.0.0.1:27017?appname=gridfs-example"); assert (client); mongoc_client_set_error_api (client, 2); /* grab a gridfs handle in test prefixed by fs */ gridfs = mongoc_client_get_gridfs (client, "test", "fs", &error); assert (gridfs); command = argv[1]; filename = argv[2]; if (strcmp (command, "read") == 0) { if (argc != 3) { fprintf (stderr, "usage - %s read filename\n", argv[0]); return 1; } file = mongoc_gridfs_find_one_by_filename (gridfs, filename, &error); assert (file); stream = mongoc_stream_gridfs_new (file); assert (stream); for (;;) { r = mongoc_stream_readv (stream, &iov, 1, -1, 0); assert (r >= 0); if (r == 0) { break; } if (fwrite (iov.iov_base, 1, r, stdout) != r) { MONGOC_ERROR ("Failed to write to stdout. Exiting.\n"); exit (1); } } mongoc_stream_destroy (stream); mongoc_gridfs_file_destroy (file); } else if (strcmp (command, "list") == 0) { bson_init (&filter); bson_init (&opts); bson_append_document_begin (&opts, "sort", -1, &child); BSON_APPEND_INT32 (&child, "filename", 1); bson_append_document_end (&opts, &child); list = mongoc_gridfs_find_with_opts (gridfs, &filter, &opts); bson_destroy (&filter); bson_destroy (&opts); while ((file = mongoc_gridfs_file_list_next (list))) { const char *name = mongoc_gridfs_file_get_filename (file); printf ("%s\n", name ? name : "?"); mongoc_gridfs_file_destroy (file); } mongoc_gridfs_file_list_destroy (list); } else if (strcmp (command, "write") == 0) { if (argc != 4) { fprintf (stderr, "usage - %s write filename input_file\n", argv[0]); return 1; } stream = mongoc_stream_file_new_for_path (argv[3], O_RDONLY, 0); assert (stream); opt.filename = filename; /* the driver generates a file_id for you */ file = mongoc_gridfs_create_file_from_stream (gridfs, stream, &opt); assert (file); id.value_type = BSON_TYPE_INT32; id.value.v_int32 = 1; /* optional: the following method specifies a file_id of any BSON type */ if (!mongoc_gridfs_file_set_id (file, &id, &error)) { fprintf (stderr, "%s\n", error.message); return 1; } mongoc_gridfs_file_save (file); mongoc_gridfs_file_destroy (file); } else { fprintf (stderr, "Unknown command"); return 1; } mongoc_gridfs_destroy (gridfs); mongoc_client_destroy (client); mongoc_cleanup (); return 0; }