icinga2/components/configfile/configfilecomponent.cpp

79 lines
1.9 KiB
C++

#include <iostream>
#include <fstream>
#include "i2-configfile.h"
#include "cJSON.h"
using namespace icinga;
string ConfigFileComponent::GetName(void) const
{
return "configfilecomponent";
}
void ConfigFileComponent::Start(void)
{
ifstream fp;
FIFO::Ptr fifo = make_shared<FIFO>();
string filename;
if (!GetConfig()->GetPropertyString("configFilename", &filename))
throw InvalidArgumentException("Missing 'configFilename' property");
fp.open(filename.c_str(), ifstream::in);
if (fp.fail())
throw ConfigParserException("Could not open config file");
GetApplication()->Log("Reading config file: " + filename);
while (!fp.eof()) {
size_t bufferSize = 1024;
char *buffer = (char *)fifo->GetWriteBuffer(&bufferSize);
fp.read(buffer, bufferSize);
if (fp.bad())
throw ConfigParserException("Could not read from config file");
fifo->Write(NULL, fp.gcount());
}
fp.close();
fifo->Write("\0", 1);
/* TODO: implement config parsing, for now we just use JSON */
cJSON *jsonobj = cJSON_Parse((const char *)fifo->GetReadBuffer());
fifo->Read(NULL, fifo->GetSize());
if (jsonobj == NULL)
throw ConfigParserException("Could not parse config file.");
for (cJSON *typeobj = jsonobj->child; typeobj != NULL; typeobj = typeobj->next) {
string type = typeobj->string;
for (cJSON *object = typeobj->child; object != NULL; object = object->next) {
string name = object->string;
ConfigObject::Ptr cfgobj = make_shared<ConfigObject>(type, name);
for (cJSON *property = object->child; property != NULL; property = property->next) {
string key = property->string;
if (property->type != cJSON_String)
continue;
string value = property->valuestring;
cfgobj->SetPropertyString(key, value);
}
GetApplication()->GetConfigHive()->AddObject(cfgobj);
}
}
cJSON_Delete(jsonobj);
}
void ConfigFileComponent::Stop(void)
{
}
EXPORT_COMPONENT(ConfigFileComponent);