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path: root/Source/FusionDale/src/misc/dale_config.c
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-rwxr-xr-xSource/FusionDale/src/misc/dale_config.c377
1 files changed, 377 insertions, 0 deletions
diff --git a/Source/FusionDale/src/misc/dale_config.c b/Source/FusionDale/src/misc/dale_config.c
new file mode 100755
index 0000000..96c9e3d
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+++ b/Source/FusionDale/src/misc/dale_config.c
@@ -0,0 +1,377 @@
+/*
+ (c) Copyright 2006-2007 directfb.org
+
+ All rights reserved.
+
+ Written by Denis Oliver Kropp <dok@directfb.org>.
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the
+ Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+*/
+
+#include <config.h>
+
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include <fusiondale.h>
+
+#include <direct/conf.h>
+#include <direct/debug.h>
+#include <direct/mem.h>
+#include <direct/memcpy.h>
+#include <direct/messages.h>
+#include <direct/util.h>
+
+#include <fusion/conf.h>
+
+#include <coma/policy.h>
+
+#include "dale_config.h"
+
+
+FusionDaleConfig *fusiondale_config = NULL;
+
+static const char *config_usage =
+ "FusionDale version " FUSIONDALE_VERSION "\n"
+ "\n"
+ " --fd-help Output FusionDale usage information and exit\n"
+ " --fd:<option>[,<option>]... Pass options to FusionDale (see below)\n"
+ "\n"
+ "FusionDale options:\n"
+ "\n"
+ " coma-shmpool-size=<kb> Set the maximum size of the shared memory pool created by\n"
+ " each component manager (once for all EnterComa with same name)\n"
+ " session=<num> Select multi app world (-1 = new)\n"
+ " remote=<host>[:<session>] Select remote session to connect to\n"
+ " [no-]banner Show FusionDale banner on startup\n"
+ "\n";
+
+
+static DirectResult
+parse_args( const char *args )
+{
+ char *buf = alloca( strlen(args) + 1 );
+
+ strcpy( buf, args );
+
+ while (buf && buf[0]) {
+ DirectResult ret;
+ char *value;
+ char *next;
+
+ if ((next = strchr( buf, ',' )) != NULL)
+ *next++ = '\0';
+
+ if (strcmp (buf, "help") == 0) {
+ fprintf( stderr, config_usage );
+ exit(1);
+ }
+
+ if ((value = strchr( buf, '=' )) != NULL)
+ *value++ = '\0';
+
+ ret = fd_config_set( buf, value );
+ switch (ret) {
+ case DR_OK:
+ break;
+ case DR_UNSUPPORTED:
+ D_ERROR( "FusionDale/Config: Unknown option '%s'!\n", buf );
+ break;
+ default:
+ return ret;
+ }
+
+ buf = next;
+ }
+
+ return DR_OK;
+}
+
+static void
+config_allocate()
+{
+ if (fusiondale_config)
+ return;
+
+ fusiondale_config = D_CALLOC( 1, sizeof(FusionDaleConfig) );
+
+ fusiondale_config->session = 5; // FIXME!!!
+
+ fusiondale_config->banner = true;
+ fusiondale_config->coma_shmpool_size = 16 * 1024 * 1024;
+}
+
+const char*
+fd_config_usage( void )
+{
+ return config_usage;
+}
+
+DirectResult
+fd_config_set( const char *name, const char *value )
+{
+ if (!strcmp( name, "session" )) {
+ if (value) {
+ int session;
+
+ if (sscanf( value, "%d", &session ) < 1) {
+ D_ERROR( "FusionDale/Config 'session': "
+ "Could not parse value!\n");
+ return DR_INVARG;
+ }
+
+ fusiondale_config->session = session;
+ }
+ else {
+ D_ERROR( "FusionDale/Config 'session': "
+ "No value specified!\n" );
+ return DR_INVARG;
+ }
+ }
+ else if (strcmp (name, "remote" ) == 0) {
+ if (value) {
+ char host[128];
+ int session = 0;
+
+ if (sscanf( value, "%127s:%d", host, &session ) < 1) {
+ D_ERROR("FusionDale/Config 'remote': "
+ "Could not parse value (format is <host>[:<session>])!\n");
+ return DR_INVARG;
+ }
+
+ if (fusiondale_config->remote.host)
+ D_FREE( fusiondale_config->remote.host );
+
+ fusiondale_config->remote.host = D_STRDUP( host );
+ fusiondale_config->remote.session = session;
+ }
+ else {
+ fusiondale_config->remote.host = D_STRDUP( "" );
+ fusiondale_config->remote.session = 0;
+ }
+ }
+ else if (!strcmp( name, "coma-shmpool-size" )) {
+ if (value) {
+ int size_kb;
+
+ if (sscanf( value, "%d", &size_kb ) < 1) {
+ D_ERROR( "FusionDale/Config '%s': Could not parse value!\n", name);
+ return DR_INVARG;
+ }
+
+ fusiondale_config->coma_shmpool_size = size_kb * 1024;
+ }
+ else {
+ D_ERROR( "FusionDale/Config '%s': No value specified!\n", name );
+ return DR_INVARG;
+ }
+ }
+ else if (!strcmp( name, "banner" )) {
+ fusiondale_config->banner = true;
+ }
+ else if (!strcmp( name, "no-banner" )) {
+ fusiondale_config->banner = false;
+ }
+ else if (strcmp ( name, "force-slave" ) == 0) {
+ fusiondale_config->force_slave = true;
+ }
+ else if (strcmp ( name, "no-force-slave" ) == 0) {
+ fusiondale_config->force_slave = false;
+ }
+ else if (strcmp ( name, "coma-allow" ) == 0) {
+ if (value) {
+ coma_policy_config( value, true );
+ }
+ else {
+ fusiondale_config->coma_policy = true;
+ }
+ }
+ else if (strcmp ( name, "coma-deny" ) == 0) {
+ if (value) {
+ coma_policy_config( value, false );
+ }
+ else {
+ fusiondale_config->coma_policy = false;
+ }
+ } else
+ if (fusion_config_set( name, value ) && direct_config_set( name, value ))
+ return DR_UNSUPPORTED;
+
+ return DR_OK;
+}
+
+static DirectResult
+fd_config_read( const char *filename )
+{
+ DirectResult ret = DR_OK;
+ char line[400];
+ FILE *f;
+
+ f = fopen( filename, "r" );
+ if (!f) {
+ D_DEBUG( "FusionDale/Config: "
+ "Unable to open config file `%s'!\n", filename );
+ return DR_IO;
+ } else {
+// D_INFO( "FusionDale/Config: "
+// "Parsing config file '%s'.\n", filename );
+ }
+
+ while (fgets( line, 400, f )) {
+ char *name = line;
+ char *value = strchr( line, '=' );
+
+ if (value) {
+ *value++ = 0;
+ direct_trim( &value );
+ }
+
+ direct_trim( &name );
+
+ if (!*name || *name == '#')
+ continue;
+
+ ret = fd_config_set( name, value );
+ if (ret) {
+ if (ret == DR_UNSUPPORTED)
+ D_ERROR( "FusionDale/Config: In config file `%s': "
+ "Invalid option `%s'!\n", filename, name );
+ break;
+ }
+ }
+
+ fclose( f );
+
+ return ret;
+}
+
+DirectResult
+fd_config_init( int *argc, char **argv[] )
+{
+ DirectResult ret;
+ char *home = getenv( "HOME" );
+ char *prog = NULL;
+ char *fdargs;
+
+ if (fusiondale_config)
+ return DR_OK;
+
+ config_allocate();
+
+ /* Read system settings. */
+ ret = fd_config_read( SYSCONFDIR"/fusiondalerc" );
+ if (ret && ret != DR_IO)
+ return ret;
+
+ /* Read user settings. */
+ if (home) {
+ int len = strlen(home) + sizeof("/.fusiondalerc");
+ char buf[len];
+
+ snprintf( buf, len, "%s/.fusiondalerc", home );
+
+ ret = fd_config_read( buf );
+ if (ret && ret != DR_IO)
+ return ret;
+ }
+
+ /* Get application name. */
+ if (argc && *argc && argv && *argv) {
+ prog = strrchr( (*argv)[0], '/' );
+
+ if (prog)
+ prog++;
+ else
+ prog = (*argv)[0];
+ }
+
+ /* Read global application settings. */
+ if (prog && prog[0]) {
+ int len = sizeof(SYSCONFDIR"/fusiondalerc.") + strlen(prog);
+ char buf[len];
+
+ snprintf( buf, len, SYSCONFDIR"/fusiondalerc.%s", prog );
+
+ ret = fd_config_read( buf );
+ if (ret && ret != DR_IO)
+ return ret;
+ }
+
+ /* Read user application settings. */
+ if (home && prog && prog[0]) {
+ int len = strlen(home) + sizeof("/.fusiondalerc.") + strlen(prog);
+ char buf[len];
+
+ snprintf( buf, len, "%s/.fusiondalerc.%s", home, prog );
+
+ ret = fd_config_read( buf );
+ if (ret && ret != DR_IO)
+ return ret;
+ }
+
+ /* Read settings from environment variable. */
+ fdargs = getenv( "FDARGS" );
+ if (fdargs) {
+ ret = parse_args( fdargs );
+ if (ret)
+ return ret;
+ }
+
+ /* Read settings from command line. */
+ if (argc && argv) {
+ int i;
+
+ for (i = 1; i < *argc; i++) {
+
+ if (!strcmp( (*argv)[i], "--fd-help" )) {
+ fprintf( stderr, config_usage );
+ exit(1);
+ }
+
+ if (!strncmp( (*argv)[i], "--fd:", 5 )) {
+ ret = parse_args( (*argv)[i] + 5 );
+ if (ret)
+ return ret;
+
+ (*argv)[i] = NULL;
+ }
+ }
+
+ for (i = 1; i < *argc; i++) {
+ int k;
+
+ for (k = i; k < *argc; k++)
+ if ((*argv)[k] != NULL)
+ break;
+
+ if (k > i) {
+ int j;
+
+ k -= i;
+
+ for (j = i + k; j < *argc; j++)
+ (*argv)[j-k] = (*argv)[j];
+
+ *argc -= k;
+ }
+ }
+ }
+
+ return DR_OK;
+}
+
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