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Improve File error handling. Massive effects...

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API is somewhat stolen from Rust std::fs::File. Static factories didn't work out so well, though. Move semantics made my head explode.
TODO: Still a lot of places where errors aren't handled, but it's an improvement...
This commit is contained in:
Jared Boone 2016-05-16 14:01:44 -07:00
parent d905c446bf
commit 682a1706a3
18 changed files with 328 additions and 235 deletions
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20
firmware/application/log_file.cpp
View file

@ -23,21 +23,15 @@
#include "string_format.hpp"
LogFile::LogFile(
const std::string& file_path
) : file { file_path, File::openmode::out | File::openmode::ate }
{
}
bool LogFile::is_open() const {
return file.is_open();
}
bool LogFile::write_entry(const rtc::RTC& datetime, const std::string& entry) {
File::Result<size_t> LogFile::write_entry(const rtc::RTC& datetime, const std::string& entry) {
std::string timestamp = to_string_timestamp(datetime);
return write(timestamp + " " + entry + "\r\n");
}
bool LogFile::write(const std::string& message) {
return file.puts(message) && file.sync();
File::Result<size_t> LogFile::write(const std::string& message) {
auto puts_result = file.puts(message);
if( puts_result.is_ok() ) {
file.sync();
}
return puts_result;
}