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authordeva <deva>2011-02-15 08:15:12 +0000
committerdeva <deva>2011-02-15 08:15:12 +0000
commit3c55ea163a765c3cf68d51601bb64ebb9c201e41 (patch)
treee718db47c9515d2ff27eb6fa22ac2349d3d29c58 /server/src
parent634d7661ec1d6d202685cafb958b5a55dc2498aa (diff)
Improved error messages from ConfigrationParser.
Diffstat (limited to 'server/src')
-rw-r--r--server/src/configurationparser.cc78
-rw-r--r--server/src/configurationparser.h38
-rw-r--r--server/src/pracrod.cc14
3 files changed, 76 insertions, 54 deletions
diff --git a/server/src/configurationparser.cc b/server/src/configurationparser.cc
index bc10e2b..0796cb9 100644
--- a/server/src/configurationparser.cc
+++ b/server/src/configurationparser.cc
@@ -28,7 +28,18 @@
#include "configuration.h"
+const char *ConfigurationParser::ParseException::what()
+ throw()
+{
+ char lineno[32];
+ sprintf(lineno, "%d", l);
+ _what = "Error when parsing the config file at line ";
+ _what += std::string(lineno) + ": " + e;
+ return _what.c_str();
+}
+
ConfigurationParser::ConfigurationParser(std::string filename)
+ throw(ParseException, ReadException)
{
this->filename = filename;
@@ -36,17 +47,14 @@ ConfigurationParser::ConfigurationParser(std::string filename)
}
void ConfigurationParser::reload()
- throw(ConfigurationParserException)
+ throw(ParseException, ReadException)
{
try {
readFile(this->filename.c_str());
} catch(libconfig::FileIOException) {
- throw ConfigurationParserException("Could not read config file: File does not exist.");
+ throw ReadException();
} catch(libconfig::ParseException &e) {
- char lineno[32];
- sprintf(lineno, "%d", e.getLine());
- throw ConfigurationParserException(std::string("Error when parsing the config file in line ")
- + lineno + ": " + e.getError());
+ throw ParseException(e.getLine(), e.getError());
}
// Set internal values
@@ -190,8 +198,13 @@ void ConfigurationParser::reload()
}
#ifdef TEST_CONFIGURATIONPARSER
+//deps: configuration.cc
+//cflags: -I.. $(CONFIG_CXXFLAGS)
+//libs: $(CONFIG_LIBS)
+#include <test.h>
#define CONFFILE "/tmp/configurationparser.conf"
+#define NOSUCH_CONFFILE "/tmp/ladida_configurationparser.conf"
#include <sys/types.h>
#include <sys/stat.h>
@@ -212,41 +225,28 @@ static char confbad[] =
"c = true;\n"
;
-int main()
-{
- FILE *fp = fopen(CONFFILE, "w");
- if(!fp) {
- printf("Could not write to %s\n", CONFFILE);
- return 1;
- }
- fprintf(fp, conf);
- fclose(fp);
- try {
- ConfigurationParser parser(CONFFILE);
- } catch(Exception &e) {
- printf("%s\n", e.what());
- return 1;
- }
+TEST_BEGIN;
- fp = fopen(CONFFILE, "w");
- if(!fp) {
- printf("Could not write to %s\n", CONFFILE);
- return 1;
- }
- fprintf(fp, confbad);
- fclose(fp);
- try {
- ConfigurationParser parser(CONFFILE);
- } catch(Exception &e) {
- printf("%s\n", e.what());
- goto on;
- }
- return 1;
- on:
+FILE *fp = fopen(CONFFILE, "w");
+if(!fp) TEST_FATAL("Could not write to "CONFFILE"\n");
+fprintf(fp, "%s", conf);
+fclose(fp);
- unlink(CONFFILE);
+TEST_NOEXCEPTION(ConfigurationParser parser(CONFFILE), "Creation");
- return 0;
-}
+fp = fopen(CONFFILE, "w");
+if(!fp) TEST_FATAL("Could not write to "CONFFILE"\n");
+fprintf(fp, "%s", confbad);
+fclose(fp);
+
+TEST_EXCEPTION(ConfigurationParser parser(CONFFILE),
+ ConfigurationParser::ParseException, "Bad syntax");
+
+TEST_EXCEPTION(ConfigurationParser parser(NOSUCH_CONFFILE),
+ ConfigurationParser::ReadException, "No such file");
+
+unlink(CONFFILE);
+
+TEST_END;
#endif/*TEST_CONFIGURATIONPARSER*/
diff --git a/server/src/configurationparser.h b/server/src/configurationparser.h
index 924c041..8e0c01d 100644
--- a/server/src/configurationparser.h
+++ b/server/src/configurationparser.h
@@ -30,16 +30,7 @@
#include <libconfig.h++>
#include <string>
-#include "exception.h"
-
-/**
- * This exception is thrown by Configuration when reload fails.
- */
-class ConfigurationParserException: public Exception {
-public:
- ConfigurationParserException(std::string reason) :
- Exception(reason) {}
-};
+#include <exception>
/**
* This is the pentominos configuration class.\n
@@ -51,16 +42,39 @@ public:
class ConfigurationParser : public libconfig::Config {
public:
/**
+ * This exception is thrown by Configuration when reload fails.
+ */
+ class ParseException: public std::exception {
+ public:
+ ParseException(int line, std::string err) throw() : l(line), e(err) {}
+ ~ParseException() throw() {}
+ const char *what() throw();
+
+ private:
+ std::string _what;
+ int l;
+ std::string e;
+ };
+
+ /**
+ * This exception is thrown by Configuration when file read fails.
+ */
+ class ReadException: public std::exception {};
+
+
+ /**
* Constructor.\n
* @param filename The filename to be loaded.
*/
- ConfigurationParser(std::string filename);
+ ConfigurationParser(std::string filename)
+ throw(ParseException, ReadException);
/**
* reload, simply reloads the configuration file attached to the configuration
* object.
*/
- void reload() throw(ConfigurationParserException);
+ void reload()
+ throw(ParseException, ReadException);
private:
std::string filename;
diff --git a/server/src/pracrod.cc b/server/src/pracrod.cc
index 73fe259..cfdafdd 100644
--- a/server/src/pracrod.cc
+++ b/server/src/pracrod.cc
@@ -296,8 +296,16 @@ int main(int argc, char *argv[])
}
// Load config
- if(configfile) configparser = new ConfigurationParser(configfile);
- else configparser = new ConfigurationParser(ETC"/pracrod.conf");
+ try {
+ if(configfile) configparser = new ConfigurationParser(configfile);
+ else configparser = new ConfigurationParser(ETC"/pracrod.conf");
+ } catch(ConfigurationParser::ParseException &e) {
+ ERR_LOG(pracrod, "Config file parse error: %s.\n", e.what());
+ return 1;
+ } catch(ConfigurationParser::ReadException &e) {
+ ERR_LOG(pracrod, "Config file read error: %s.\n", e.what());
+ return 1;
+ }
if(sessionpath != "") {
Conf::session_path = sessionpath;
@@ -308,7 +316,7 @@ int main(int argc, char *argv[])
}
if(Conf::database_backend == "testdb") {
- // Test db (memory only db) does not work in plural.
+ WARN(pracrod, "Test db (memory only db) does not work in plural.\n");
Conf::database_poolsize = 1;
}