From f4b53bd0634bc7a54aa5da72d9e7a079f120d821 Mon Sep 17 00:00:00 2001 From: Matthias Schiffer Date: Sat, 30 Nov 2013 06:20:54 +0100 Subject: Move logging defines to a new header --- src/printf.c | 259 ----------------------------------------------------------- 1 file changed, 259 deletions(-) delete mode 100644 src/printf.c (limited to 'src/printf.c') diff --git a/src/printf.c b/src/printf.c deleted file mode 100644 index 6feb72a..0000000 --- a/src/printf.c +++ /dev/null @@ -1,259 +0,0 @@ -/* - Copyright (c) 2012-2013, 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 "fastd.h" -#include "peer.h" - -#include -#include -#include - - -static inline size_t snprintf_safe(char *buffer, size_t size, const char *format, ...) { - va_list ap; - va_start(ap, format); - int ret = vsnprintf(buffer, size, format, ap); - va_end(ap); - - if (ret < 0) - return 0; - - return min_size_t(ret, size); -} - -static size_t snprint_peer_address(const fastd_context_t *ctx, char *buffer, size_t size, const fastd_peer_address_t *address, bool bind_address) { - char addr_buf[INET6_ADDRSTRLEN] = ""; - - switch (address->sa.sa_family) { - case AF_UNSPEC: - if (bind_address) - return snprintf_safe(buffer, size, "any:%u", ntohs(address->in.sin_port)); - else - return snprintf(buffer, size, "any"); - - case AF_INET: - if (!bind_address && ctx->conf->hide_ip_addresses) - return snprintf_safe(buffer, size, "[hidden]:%u", ntohs(address->in.sin_port)); - else if (inet_ntop(AF_INET, &address->in.sin_addr, addr_buf, sizeof(addr_buf))) - return snprintf_safe(buffer, size, "%s:%u", addr_buf, ntohs(address->in.sin_port)); - else - return 0; - - case AF_INET6: - if (!bind_address && ctx->conf->hide_ip_addresses) - return snprintf_safe(buffer, size, "[hidden]:%u", ntohs(address->in.sin_port)); - if (inet_ntop(AF_INET6, &address->in6.sin6_addr, addr_buf, sizeof(addr_buf))) { - if (IN6_IS_ADDR_LINKLOCAL(&address->in6.sin6_addr)) { - char ifname_buf[IF_NAMESIZE]; - return snprintf_safe(buffer, size, "[%s%%%s]:%u", addr_buf, if_indextoname(address->in6.sin6_scope_id, ifname_buf), ntohs(address->in6.sin6_port)); - } - else { - return snprintf_safe(buffer, size, "[%s]:%u", addr_buf, ntohs(address->in6.sin6_port)); - } - } - else - return 0; - - default: - exit_bug(ctx, "unsupported address family"); - } -} - -static size_t snprint_peer_str(const fastd_context_t *ctx, char *buffer, size_t size, const fastd_peer_t *peer) { - if (peer->config && peer->config->name) { - return snprintf_safe(buffer, size, "<%s>", peer->config->name); - } - else { - char buf[65]; - if (ctx->conf->protocol->describe_peer(ctx, peer, buf, sizeof(buf))) - return snprintf_safe(buffer, size, "{%s}", buf); - else - return snprintf_safe(buffer, size, "(null)"); - } -} - -int fastd_vsnprintf(const fastd_context_t *ctx, char *buffer, size_t size, const char *format, va_list ap) { - char *buffer_start = buffer; - char *buffer_end = buffer+size; - - *buffer = 0; - - for (; *format; format++) { - const void *p; - const fastd_eth_addr_t *eth_addr; - - if (buffer >= buffer_end) - break; - - if (*format != '%') { - *buffer = *format; - buffer++; - continue; - } - - format++; - - switch(*format) { - case 'i': - buffer += snprintf_safe(buffer, buffer_end-buffer, "%i", va_arg(ap, int)); - break; - - case 'u': - buffer += snprintf_safe(buffer, buffer_end-buffer, "%u", va_arg(ap, unsigned int)); - break; - - case 'U': - buffer += snprintf_safe(buffer, buffer_end-buffer, "%llu", (unsigned long long)va_arg(ap, uint64_t)); - break; - - case 's': - buffer += snprintf_safe(buffer, buffer_end-buffer, "%s", va_arg(ap, char*)); - break; - - case 'p': - buffer += snprintf_safe(buffer, buffer_end-buffer, "%p", va_arg(ap, void*)); - break; - - case 'E': - eth_addr = va_arg(ap, const fastd_eth_addr_t*); - - if (eth_addr) { - if (ctx->conf->hide_mac_addresses) - buffer += snprintf_safe(buffer, buffer_end-buffer, "[hidden]"); - else - buffer += snprintf_safe(buffer, buffer_end-buffer, "%02x:%02x:%02x:%02x:%02x:%02x", - eth_addr->data[0], eth_addr->data[1], eth_addr->data[2], - eth_addr->data[3], eth_addr->data[4], eth_addr->data[5]); - } - else { - buffer += snprintf_safe(buffer, buffer_end-buffer, "(null)"); - } - break; - - case 'P': - p = va_arg(ap, const fastd_peer_t*); - - if (p) - buffer += snprint_peer_str(ctx, buffer, buffer_end-buffer, (const fastd_peer_t*)p); - else - buffer += snprintf_safe(buffer, buffer_end-buffer, "(null)"); - break; - - case 'I': - case 'B': - p = va_arg(ap, const fastd_peer_address_t*); - - if (p) - buffer += snprint_peer_address(ctx, buffer, buffer_end-buffer, (const fastd_peer_address_t*)p, *format == 'B'); - else - buffer += snprintf_safe(buffer, buffer_end-buffer, "(null)"); - break; - - default: - pr_warn(ctx, "fastd_vsnprintf: unknown format conversion specifier '%c'", *format); - *buffer_start = 0; - return -1; - } - } - - if (buffer < buffer_end) - *buffer = 0; - - return buffer-buffer_start; -} - -static inline const char* get_log_prefix(fastd_loglevel_t log_level) { - switch(log_level) { - case LL_FATAL: - return "Fatal: "; - case LL_ERROR: - return "Error: "; - case LL_WARN: - return "Warning: "; - case LL_INFO: - return "Info: "; - case LL_VERBOSE: - return "Verbose: "; - case LL_DEBUG: - return "DEBUG: "; - case LL_DEBUG2: - return "DEBUG2: "; - default: - return ""; - } -} - -static inline int get_syslog_level(fastd_loglevel_t log_level) { - switch(log_level) { - case LL_FATAL: - return LOG_CRIT; - case LL_ERROR: - return LOG_ERR; - case LL_WARN: - return LOG_WARNING; - case LL_INFO: - return LOG_NOTICE; - case LL_VERBOSE: - return LOG_INFO; - default: - return LOG_DEBUG; - } -} - -void fastd_logf(const fastd_context_t *ctx, fastd_loglevel_t level, const char *format, ...) { - char buffer[1024]; - char timestr[100] = ""; - va_list ap; - - va_start(ap, format); - fastd_vsnprintf(ctx, buffer, sizeof(buffer), format, ap); - va_end(ap); - - buffer[sizeof(buffer)-1] = 0; - - if (ctx->conf == NULL || level <= ctx->conf->log_stderr_level || ctx->conf->log_files) { - time_t t; - struct tm tm; - - t = time(NULL); - if (localtime_r(&t, &tm) != NULL) { - if (strftime(timestr, sizeof(timestr), "%F %T %z --- ", &tm) <= 0) - *timestr = 0; - } - } - - if (ctx->conf == NULL || level <= ctx->conf->log_stderr_level) - fprintf(stderr, "%s%s%s\n", timestr, get_log_prefix(level), buffer); - - if (ctx->conf != NULL && level <= ctx->conf->log_syslog_level) - syslog(get_syslog_level(level), "%s", buffer); - - fastd_log_fd_t *file; - for (file = ctx->log_files; file; file = file->next) { - if (level <= file->config->level) - dprintf(file->fd, "%s%s%s\n", timestr, get_log_prefix(level), buffer); - } -} -- cgit v1.2.3