From 7014833c1c89938d0475e88a7a57b628933051e5 Mon Sep 17 00:00:00 2001 From: "Robin.Mueller" Date: Thu, 4 Jun 2020 19:50:56 +0200 Subject: [PATCH] improvements and fixes --- serviceinterface/ServiceInterfaceBuffer.cpp | 15 ++++++++------- serviceinterface/ServiceInterfaceBuffer.h | 9 +++++++-- 2 files changed, 15 insertions(+), 9 deletions(-) diff --git a/serviceinterface/ServiceInterfaceBuffer.cpp b/serviceinterface/ServiceInterfaceBuffer.cpp index f1332637..5c80862c 100644 --- a/serviceinterface/ServiceInterfaceBuffer.cpp +++ b/serviceinterface/ServiceInterfaceBuffer.cpp @@ -17,8 +17,8 @@ ServiceInterfaceBuffer::ServiceInterfaceBuffer(std::string setMessage, // Set pointers if the stream is buffered. setp( buf, buf + BUF_SIZE ); } - preamble.reserve(96); - preamble.resize(96); + preamble.reserve(MAX_PREAMBLE_SIZE); + preamble.resize(MAX_PREAMBLE_SIZE); } void ServiceInterfaceBuffer::putChars(char const* begin, char const* end) { @@ -36,7 +36,6 @@ void ServiceInterfaceBuffer::putChars(char const* begin, char const* end) { else { printChar(begin, false); } - } } @@ -80,8 +79,6 @@ int ServiceInterfaceBuffer::sync(void) { size_t preambleSize = 0; auto preamble = getPreamble(&preambleSize); - uint8_t debugArray[96]; - memcpy(debugArray, preamble.data(), preambleSize); // Write logMessage and time this->putChars(preamble.data(), preamble.data() + preambleSize); // Handle output @@ -98,7 +95,6 @@ bool ServiceInterfaceBuffer::isBuffered() const { std::string ServiceInterfaceBuffer::getPreamble(size_t * preambleSize) { Clock::TimeOfDay_t loggerTime; Clock::getDateAndTime(&loggerTime); - std::string preamble (96, 0); size_t currentSize = 0; char* parsePosition = &preamble[0]; if(addCrToPreamble) { @@ -113,7 +109,12 @@ std::string ServiceInterfaceBuffer::getPreamble(size_t * preambleSize) { loggerTime.second, loggerTime.usecond /1000); if(charCount < 0) { - printf("ServiceInterfaceBuffer: Failure parsing preamble"); + printf("ServiceInterfaceBuffer: Failure parsing preamble\r\n"); + return ""; + } + if(charCount > MAX_PREAMBLE_SIZE) { + printf("ServiceInterfaceBuffer: Char count too large for maximum " + "preamble size"); return ""; } currentSize += charCount; diff --git a/serviceinterface/ServiceInterfaceBuffer.h b/serviceinterface/ServiceInterfaceBuffer.h index 00a8e74a..39ea25c2 100644 --- a/serviceinterface/ServiceInterfaceBuffer.h +++ b/serviceinterface/ServiceInterfaceBuffer.h @@ -20,6 +20,8 @@ class ServiceInterfaceBuffer: public std::streambuf { friend class ServiceInterfaceStream; public: + static constexpr uint8_t MAX_PREAMBLE_SIZE = 40; + ServiceInterfaceBuffer(std::string setMessage, bool addCrToPreamble, bool buffered, bool errStream, uint16_t port); @@ -41,14 +43,17 @@ private: std::string preamble; // For EOF detection typedef std::char_traits Traits; + //! This is useful for some terminal programs which do not have //! implicit carriage return with newline characters. bool addCrToPreamble; + //! Specifies whether the stream operates in buffered or unbuffered mode. + bool buffered; //! This specifies to print to stderr and work in unbuffered mode. bool errStream; - bool buffered; - // Work in buffer mode. It is also possible to work without buffer. + + //! Needed for buffered mode. static size_t const BUF_SIZE = 128; char buf[BUF_SIZE];