libpsyc/test/test_json.c

/*
  This file is part of libpsyc.
  Copyright (C) 2011,2012 Carlo v. Loesch, Gabor X Toth, Mathias L. Baumann,
  and other contributing authors.

  libpsyc is free software: you can redistribute it and/or modify it under the
  terms of the GNU Affero General Public License as published by the Free
  Software Foundation, either version 3 of the License, or (at your option) any
  later version. As a special exception, libpsyc is distributed with additional
  permissions to link libpsyc libraries with non-AGPL works.

  libpsyc is distributed in the hope that it will be useful, but WITHOUT
  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License for more
  details.

  You should have received a copy of the GNU Affero General Public License and
  the linking exception along with libpsyc in a COPYING file.
*/

#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <assert.h>
#include <unistd.h>
#include <getopt.h>
#include <sys/socket.h>

#include <json/json.h>
#include <json/json_object.h>
#include <json/json_tokener.h>

#include "test.c"

// cmd line args
char *filename, *port = "4441";
uint8_t verbose, stats;
uint8_t multiple, single, no_render, quiet, progress;
size_t count = 1, recv_buf_size;

int exit_code;

json_object *obj;
json_tokener *tok;
enum json_tokener_error error;

void
test_init (int i)
{
    tok = json_tokener_new();
}

int
test_input (int i, char *recvbuf, size_t nbytes)
{
    size_t cursor = 0;
    int r, ret = 0;

    json_tokener_reset(tok);

    do {
	obj = json_tokener_parse_ex(tok, recvbuf + cursor, nbytes - cursor);
	cursor += tok->char_offset;

	if (verbose)
	    printf("#%d\n", tok->err);

	switch (tok->err) {
	case json_tokener_continue:
	    return 0;

	case json_tokener_success:
	    if (!no_render) {
		const char *str = json_object_to_json_string(obj);
		if (!quiet) {
		    size_t len = strlen(str);
		    if (filename) {
			r = write(1, str, len);
			r = write(1, "\n", 1);
		    } else {
			send(i, str, len, 0);
			send(i, "\n", 1, 0);
		    }
		}
	    }

	    json_object_put(obj);

	    if (verbose)
		printf("# Done parsing.\n");
	    else if (progress)
		r = write(1, ".", 1);
	    if ((filename && !multiple) || (!filename && single))
		return -1;
	    break;

	default:
	    printf("parse error\n");
	    exit_code = tok->err;
	    return -1;
	}
    } while (cursor < nbytes);

    return ret;
}

int
main (int argc, char **argv)
{
    int c;

    while ((c = getopt (argc, argv, "f:p:b:c:mnqsvPSh")) != -1) {
	switch (c) {
	CASE_f CASE_p CASE_b CASE_c
	CASE_m CASE_n CASE_q CASE_s
	CASE_v CASE_S CASE_P
	case 'h':
	    printf(HELP_FILE("test_json", "mnqSsvP")
		   HELP_PORT("test_json", "nqsvP")
		   HELP_f HELP_p HELP_b HELP_c
		   HELP_m HELP_n HELP_q HELP_S
		   HELP_s HELP_v HELP_P HELP_h,
		   port, RECV_BUF_SIZE);
	    exit(0);
	case '?': exit(-1);
	default:  abort();
	}
    }

    if (filename)
	test_file(filename, count, recv_buf_size);
    else
	test_server(port, count, recv_buf_size);

    return exit_code;
}