From 08c6bcb98e4f9c6da6dd819becc136efa3455466 Mon Sep 17 00:00:00 2001 From: Matthias Schiffer Date: Sat, 27 Jul 2013 18:53:27 +0200 Subject: Move logging into context_t --- mmss/context.cpp | 81 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 81 insertions(+) create mode 100644 mmss/context.cpp (limited to 'mmss/context.cpp') diff --git a/mmss/context.cpp b/mmss/context.cpp new file mode 100644 index 0000000..5fcb72f --- /dev/null +++ b/mmss/context.cpp @@ -0,0 +1,81 @@ +/* + Copyright (c) 2013, Matthias Schiffer + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1. Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "mmss.hpp" + +namespace MMSS { + +static inline int snprintf_safe(char *buffer, size_t size, const char *format, ...) { + std::va_list ap; + va_start(ap, format); + int ret = std::vsnprintf(buffer, size, format, ap); + va_end(ap); + + return ret < 0 ? 0 : ret > size ? size : ret; +} + +static inline const char* get_log_prefix(int log_level) { + switch(log_level) { + case LOG_CRIT: + return "Fatal: "; + case LOG_ERR: + return "Error: "; + case LOG_WARNING: + return "Warning: "; + case LOG_NOTICE: + return "Info: "; + case LOG_INFO: + return "Verbose: "; + case LOG_DEBUG: + return "DEBUG: "; + default: + return ""; + } +} + + +void context_t::vlogf_orig(const node_t *orig, int priority, const char *format, std::va_list ap) { + char buf[1024]; + size_t pos; + + if (orig) + pos = snprintf_safe(buf, sizeof(buf), "[% 6u.%03u] %s: %s", now()/1000, now()%1000, orig->name.c_str(), get_log_prefix(priority)); + else + pos = snprintf_safe(buf, sizeof(buf), "[% 6u.%03u] %s", now()/1000, now()%1000, get_log_prefix(priority)); + + std::vsnprintf(buf+pos, sizeof(buf)-pos, format, ap); + + std::fprintf(stderr, "%s\n", buf); +} + +void context_t::logf(int priority, const char *format, ...) { + std::va_list ap; + va_start(ap, format); + vlogf_orig(nullptr, priority, format, ap); + va_end(ap); +} + +} -- cgit v1.2.3