X-Git-Url: http://pilppa.org/gitweb/?p=lib1wire.git;a=blobdiff_plain;f=src%2FW1Device.cc;fp=src%2FW1Device.cc;h=4a83c20b95970f0f352e8d95391910f0827841a5;hp=f2e85902c0c6e3afa1b75085beda15e5ba27c063;hb=14ca6b205211e856c924f88dff3abf0584b1e414;hpb=557fe3a639d7bd6fd146fdc9d573cf53bb2adff0 diff --git a/src/W1Device.cc b/src/W1Device.cc index f2e8590..4a83c20 100644 --- a/src/W1Device.cc +++ b/src/W1Device.cc @@ -29,6 +29,7 @@ W1Device::W1Device(string device_id_param, string device_dir; string temp_str; + pthread_mutex_init(&plock, NULL); type = device_type_param; id = device_id_param; if (direntry_param != NULL) { @@ -47,8 +48,12 @@ W1Device::W1Device(string device_id_param, } W1Device::~W1Device() { + log_debug("W1Device destructor\n"); save_and_clean_cache(); - delete(reader); + if (reader != NULL) { + delete(reader); + reader = NULL; + } } string W1Device::get_name() { @@ -87,6 +92,7 @@ void W1Device::printout() { if (data != NULL) { text = data->to_string(); cout << text << endl; + delete(data); } else { type = get_type(); @@ -127,28 +133,41 @@ Data *W1Device::get_data() { return ret_val; } -void W1Device::cache(Data *data) { - // TODO: add mutex for memory_cache +void W1Device::cache(Data *new_data) { + Data *data; + int dec_precision; + + data = new_data->clone(); + pthread_mutex_lock(&plock); memory_cache.push_back(data); if (memory_cache.size() > 5) { - save_and_clean_cache(); + dec_precision = get_data_decimal_precision(); + StoreDay::save(id, &memory_cache, dec_precision); + while(memory_cache.empty() == false) { + data = memory_cache.back(); + memory_cache.pop_back(); + delete(data); + } } + pthread_mutex_unlock(&plock); } void W1Device::save_and_clean_cache() { - list::iterator iter; - Data *data; - int dec_precision; + Data *data; + int dec_precision; dec_precision = get_data_decimal_precision(); + pthread_mutex_lock(&plock); + log_debug("save_and_clean_cache(): memory cache size: %d\n", memory_cache.size()); StoreDay::save(id, &memory_cache, dec_precision); - for(iter = memory_cache.begin(); iter != memory_cache.end(); iter++) { - data = (Data *)*iter; + while(memory_cache.empty() == false) { + data = memory_cache.back(); + memory_cache.pop_back(); delete(data); } - memory_cache.clear(); + pthread_mutex_unlock(&plock); } -DataReader *W1Device::get_device_data() { +const DataReader *W1Device::get_device_data() { return reader; }