msgfile: Add a file parser for a simple file format

This file format will be used to store per country code,
per network code messages. This will be used for various
things ranging from access control, to messages...
This commit is contained in:
Holger Hans Peter Freyther 2010-10-07 00:00:15 +08:00
parent 55aea5099c
commit c87f266522
9 changed files with 240 additions and 1 deletions

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@ -88,6 +88,14 @@ then
AC_DEFINE([BSC_FD_CHECK],[1],[Instrument the bsc_register_fd])
fi
AC_ARG_ENABLE(msgfile,
[AS_HELP_STRING(
[--disable-msgfile],
[Disable support for the msgfile],
)],
[enable_msgfile=0], [enable_msgfile=1])
AM_CONDITIONAL(ENABLE_MSGFILE, test "x$enable_msgfile" = "x1")
AC_OUTPUT(
libosmocore.pc
@ -103,4 +111,5 @@ AC_OUTPUT(
tests/Makefile
tests/timer/Makefile
tests/sms/Makefile
tests/msgfile/Makefile
Makefile)

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@ -2,7 +2,7 @@ osmocore_HEADERS = signal.h linuxlist.h timer.h select.h msgb.h \
tlv.h bitvec.h comp128.h statistics.h gsm_utils.h utils.h \
gsmtap.h write_queue.h rsl.h gsm48.h rxlev_stat.h mncc.h \
gsm48_ie.h logging.h gsm0808.h rate_ctr.h gsmtap_util.h \
plugin.h crc16.h panic.h process.h gsm0480.h
plugin.h crc16.h panic.h process.h gsm0480.h msgfile.h
if ENABLE_TALLOC
osmocore_HEADERS += talloc.h

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@ -0,0 +1,49 @@
/*
* (C) 2010 by Holger Hans Peter Freyther
* (C) 2010 by On-Waves
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
#ifndef MSG_FILE_H
#define MSG_FILE_H
#include "linuxlist.h"
/**
* One message in the list.
*/
struct msg_entry {
struct llist_head list;
/* number for everyone to use */
int nr;
/* data from the file */
char *mcc;
char *mnc;
char *option;
char *text;
};
struct msg_entries {
struct llist_head entry;
};
struct msg_entries *msg_entry_parse(void *ctx, const char *filename);
#endif

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@ -23,3 +23,7 @@ endif
if ENABLE_TALLOC
libosmocore_la_SOURCES += talloc.c
endif
if ENABLE_MSGFILE
libosmocore_la_SOURCES += msgfile.c
endif

118
src/msgfile.c Normal file
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@ -0,0 +1,118 @@
/*
* Parse a simple file with messages, e.g used for USSD messages
*
* (C) 2010 by Holger Hans Peter Freyther
* (C) 2010 by On-Waves
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
#include <osmocore/msgfile.h>
#include <osmocore/talloc.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
static struct msg_entry *alloc_entry(struct msg_entries *entries,
const char *mcc, const char *mnc,
const char *option, const char *text)
{
struct msg_entry *entry = talloc_zero(entries, struct msg_entry);
if (!entry)
return NULL;
entry->mcc = talloc_strdup(entry, mcc);
entry->mnc = talloc_strdup(entry, mnc);
entry->option = talloc_strdup(entry, option);
entry->text = talloc_strdup(entry, text);
llist_add_tail(&entry->list, &entries->entry);
return entry;
}
static struct msg_entries *alloc_entries(void *ctx)
{
struct msg_entries *entries;
entries = talloc_zero(ctx, struct msg_entries);
if (!entries)
return NULL;
INIT_LLIST_HEAD(&entries->entry);
return entries;
}
/*
* split a line like 'foo:Text'.
*/
static void handle_line(struct msg_entries *entries, char *line)
{
int i;
const int len = strlen(line);
char *items[3];
int last_item = 0;
for (i = 0; i < len; ++i) {
if (line[i] == '\n' || line[i] == '\r')
line[i] = '\0';
else if (line[i] == ':' && last_item < 3) {
line[i] = '\0';
items[last_item++] = &line[i + 1];
}
}
if (last_item == 3) {
alloc_entry(entries, &line[0] , items[0], items[1], items[2]);
return;
}
/* nothing found */
}
struct msg_entries *msg_entry_parse(void *ctx, const char *filename)
{
struct msg_entries *entries;
size_t n;
char *line;
FILE *file;
file = fopen(filename, "r");
if (!file)
return NULL;
entries = alloc_entries(ctx);
if (!entries) {
fclose(file);
return NULL;
}
n = 2342;
line = NULL;
while (getline(&line, &n, file) != -1) {
handle_line(entries, line);
free(line);
line = NULL;
}
fclose(file);
return entries;
}

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@ -1,3 +1,6 @@
if ENABLE_TESTS
SUBDIRS = timer sms
if ENABLE_MSGFILE
SUBDIRS += msgfile
endif
endif

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@ -0,0 +1,5 @@
INCLUDES = $(all_includes) -I$(top_srcdir)/include
noinst_PROGRAMS = msgfile_test
msgfile_test_SOURCES = msgfile_test.c
msgfile_test_LDADD = $(top_builddir)/src/libosmocore.la

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@ -0,0 +1 @@
*:*::Hello Welt

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@ -0,0 +1,50 @@
/*
* (C) 2010 by Holger Hans Peter Freyther
* (C) 2010 by On-Waves
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
#include <osmocore/msgfile.h>
#include <stdio.h>
static void dump_entries(struct msg_entries *entries)
{
struct msg_entry *entry;
if (!entries) {
fprintf(stderr, "Failed to parse the file\n");
return;
}
llist_for_each_entry(entry, &entries->entry, list) {
printf("Entry '%s:%s:%s:%s'\n",
entry->mcc, entry->mnc, entry->option, entry->text);
}
}
int main(int argc, char **argv)
{
struct msg_entries *entries;
/* todo use msgfile_test.c.in and replace the path */
entries = msg_entry_parse(NULL, "msgconfig.cfg");
dump_entries(entries);
return 0;
}