#include "vp_xml_file_broker_node.h"
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namespace vp_nodes {
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vp_xml_file_broker_node::vp_xml_file_broker_node(std::string node_name,
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vp_broke_for broke_for,
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std::string file_path_and_name,
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int broking_cache_warn_threshold,
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int broking_cache_ignore_threshold):
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vp_msg_broker_node(node_name, broke_for, broking_cache_warn_threshold, broking_cache_ignore_threshold) {
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// open file
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if (file_path_and_name.empty()) {
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file_path_and_name = "vp_broker_" + vp_utils::time_format(NOW, "<hour>-<min>-<sec>-<mili>") + ".xml";
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}
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VP_INFO(vp_utils::string_format("[%s] [message broker] set broking file path as `%s`", node_name.c_str(), file_path_and_name.c_str()));
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xml_writer.open(file_path_and_name);
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this->initialized();
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}
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vp_xml_file_broker_node::~vp_xml_file_broker_node() {
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deinitialized();
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stop_broking();
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}
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void vp_xml_file_broker_node::format_msg(const std::shared_ptr<vp_objects::vp_frame_meta>& meta, std::string& msg) {
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// serialize objects to xml by cereal
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std::stringstream msg_stream;
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{
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cereal::XMLOutputArchive xml_archive(msg_stream);
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// global values
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xml_archive(cereal::make_nvp("channel_index", meta->channel_index),
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cereal::make_nvp("frame_index", meta->frame_index),
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cereal::make_nvp("width", meta->frame.cols),
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cereal::make_nvp("height", meta->frame.rows),
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cereal::make_nvp("fps", meta->fps),
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cereal::make_nvp("broke_for", broke_fors.at(broke_for)));
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// serialize values according to broke_for
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if (broke_for == vp_broke_for::NORMAL) {
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xml_archive(cereal::make_nvp("target_size", meta->targets.size()),
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cereal::make_nvp("targets", meta->targets));
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}
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else if (broke_for == vp_broke_for::FACE) {
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xml_archive(cereal::make_nvp("face_target_size", meta->face_targets.size()),
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cereal::make_nvp("face_targets", meta->face_targets));
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}
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else if (broke_for == vp_broke_for::TEXT) {
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xml_archive(cereal::make_nvp("text_target_size", meta->text_targets.size()),
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cereal::make_nvp("text_targets", meta->text_targets));
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}
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else {
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throw "invalid broke_for!";
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}
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} // flush
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msg = msg_stream.str();
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}
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void vp_xml_file_broker_node::broke_msg(const std::string& msg) {
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// broke msg to file by ofstream
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if (xml_writer.is_open()) {
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xml_writer << msg << std::endl;
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}
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else {
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// TO-DO
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}
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}
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}
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