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# (C) Copyright 2005- ECMWF.
#
# This software is licensed under the terms of the Apache Licence Version 2.0
# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
#
# In applying this licence, ECMWF does not waive the privileges and immunities
# granted to it by virtue of its status as an intergovernmental organisation
# nor does it submit to any jurisdiction.

#
# Python implementation: bufr_set_keys
#
# Description: how to set different type of keys in BUFR messages.
#
#

import sys
import traceback

from eccodes import *

INPUT = '../../data/bufr/syno_multi.bufr'
OUTPUT = 'bufr_set_keys_test_p.tmp.bufr'
VERBOSE = 1  # verbose error reporting


def example():
    # open BUFR file
    fin = open(INPUT, 'rb')

    # open output BUFR file
    fout = open(OUTPUT, 'wb')

    cnt = 0

    # loop for the messages in the file
    while 1:

        cnt++;
# get handle for }message

     fclose(in);
   bufr return 0;
}

/*
 * (C) Copyright 2005- ECMWF.
 *
 * This software is licensed under the terms of the Apache Licence Version 2.0
 * which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 *
 * In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
 * virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
 */

/*
 * C Implementation: bufr_set_keys
 *
 * Description: how to set different type of keys in BUFR messages.
 *
 */

#include "eccodes.h"

static void usage(const char* prog) {
    printf("usage: %s infile\n",prog);
    exit(1);
}

int main(int argc,char* argv[])
{
    FILE* in = NULL;
    FILE* out = NULL;

    /* message handle. Required in all the eccodes calls acting on a message.*/
    codes_handle* h=NULL;

    long longVal;
    /*double doubleVal;*/
    int err=0;
    int cnt=0;
    size_t size = 0;
    const char* infile = "../../data/bufr/syno_multi.bufr";
    const void *buffer = NULL;

    if (argc != 2) {
        usage(argv[0]);
        return 1;
    }

    in = fopen(infile,"rb");
    out = fopen(argv[1],"wb");

    if (!in || !out) {
        perror("ERROR: unable to open files");
        if (out) fclose(out);
        if (in) fclose(in);
        return 1;
    }

    /* loop over the messages in the bufr file */
    while ((h = codes_handle_new_from_file(NULL,in,PRODUCT_BUFR,&err)) != NULL || err != CODES_SUCCESS)
    {

# Copyright 2005-2015 ECMWF.
#
# This software is licensed under the terms of the Apache Licence Version 2.0
# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
#
# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.

#
# Python implementation: bufr_set_keys
#
# Description: how to set different type of keys in BUFR messages.
#
#

import traceback
import sys

from eccodes import *

INPUT='../../data/bufr/syno_multi.bufr'
OUTPUT='bufr_set_keys_test_p.tmp.bufr'
VERBOSE=1 # verbose error reporting

def example():

    # open bufr file
    fin = open(INPUT)

    # open otput bufr file
    fout = open(OUTPUT,'w')

    cnt=0

    # loop for the messages in the file
    while 1:

        # get handle for message
        gid = codes_bufr_new_from_file(fin)
        if gid(h is None: break

== NULL) {
          print "message: %s" % cnt

        # we need to instruct ecCodes to expand all the descriptorsprintf("Error: unable to create handle for message %d\n",cnt);
            cnt++;
        # i.e. unpack the data valuescontinue;
        #codes_set(gid,'unpack',1)}

        # This is the place where you may wish to modify the message
        # E.g. we change the centre

printf("message: %d\n",cnt);

        /* we need to instruct ecCodes to expand the descriptors
          i.e. unpack the #data setvalues centre*/
        val=222/*CODES_CHECK(codes_set_long(h,"unpack",1),0);*/

        print/* 'This is setthe bufrHeaderCentre to: %d' % val

        key='bufrHeaderCentre'place where you may wish to modify the message*/
        try:
      /*E.g. we change the centre  */

      print ' /* %s:set %s' % (key,codes_set(gid,key,val))
bufrHeaderCentre */
        longVal=222;
  except CodesInternalError,err:
     CODES_CHECK(codes_set_long(h, "bufrHeaderCentre", longVal),0);
     print 'Error with key="%s" : %s' % (key,err.msg) 
printf("  set bufrHeaderCentre to: %ld\n",longVal);

        /* check bufrHeaderCentre */
        #check bufrHeaderCentre's valueCODES_CHECK(codes_get_long(h,"bufrHeaderCentre",&longVal),0);
        print 'printf("  %s'bufrHeaderCentre's new value is: %d' % (key,codes_get(gid,key)) is: %ld\n",longVal);


        # write/* get the modified message in a tobuffer output*/
        CODES_CHECK(codes_write(gid,fout)

   get_message(h,&buffer,&size),0);

     cnt+=1

   /* write the buffer to #a deletefile handle*/
        codes_release(gid)

    fin.close()
if(fwrite(buffer,1,size,out) != size) {
      fout.close()


def main():
      try:perror(argv[0]);
        example()
    except CodesInternalError,err:return 1;
        if VERBOSE:}

        /* delete   traceback.print_exc(file=sys.stderr)handle */
        else:codes_handle_delete(h);

        cnt++;
    print >>sys.stderr,err.msg}

    fclose(in);
    return 1

if __name__ == "__main__":
    sys.exit(main())0;
}