Added serialnumber cache, address completion.

src/SerialNumberCache.cpp

@@ -0,0 +1,72 @@
+//
+// Created by stephane bourque on 2021-08-11.
+//
+
+#include "SerialNumberCache.h"
+#include <mutex>
+
+#include "StorageService.h"
+#include "framework/Utils.h"
+
+namespace OpenWifi {
+
+	class SerialNumberCache * SerialNumberCache::instance_ = nullptr;
+
+	int SerialNumberCache::Start() {
+		return 0;
+	}
+
+	void SerialNumberCache::Stop() {
+
+	}
+
+	void SerialNumberCache::AddSerialNumber(const std::string &S) {
+		std::lock_guard		G(M_);
+
+		uint64_t SN = std::stoull(S,0,16);
+		if(std::find(SNs_.begin(),SNs_.end(),SN) == SNs_.end()) {
+			if(SNs_.size()+1 == SNs_.capacity())
+				SNs_.resize(SNs_.capacity()+2000);
+			SNs_.push_back(SN);
+			std::sort(SNs_.begin(),SNs_.end());
+		}
+	}
+
+	void SerialNumberCache::DeleteSerialNumber(const std::string &S) {
+		std::lock_guard		G(M_);
+
+		uint64_t SN = std::stoull(S,0,16);
+		auto It = std::find(SNs_.begin(),SNs_.end(),SN);
+		if(It != SNs_.end()) {
+			SNs_.erase(It);
+		}
+	}
+
+	void SerialNumberCache::FindNumbers(const std::string &S, uint HowMany, std::vector<uint64_t> &A) {
+		std::lock_guard		G(M_);
+
+		if(S.length()==12) {
+			uint64_t SN = std::stoull(S,0,16);
+			auto It = std::find(SNs_.begin(),SNs_.end(),SN);
+			if(It != SNs_.end()) {
+				A.push_back(*It);
+			}
+		} else if (S.length()<12){
+			std::string SS{S};
+			SS.insert(SS.end(), 12 - SS.size(), '0');
+			uint64_t SN = std::stoull(SS,0,16);
+
+			auto LB = std::lower_bound(SNs_.begin(),SNs_.end(),SN);
+			if(LB!=SNs_.end()) {
+				for(;LB!=SNs_.end() && HowMany;++LB,--HowMany) {
+					std::string TSN = Utils::int_to_hex(*LB);
+					if(S == TSN.substr(0,S.size())) {
+						A.emplace_back(*LB);
+					} else {
+						break;
+					}
+				}
+			}
+		}
+	}
+}