586a21688f
also, should have better error reporting when failing to open playlist or music directory's, or writing the db, etc git-svn-id: https://svn.musicpd.org/mpd/trunk@3027 09075e82-0dd4-0310-85a5-a0d7c8717e4f
125 lines
3.5 KiB
C
125 lines
3.5 KiB
C
/* the Music Player Daemon (MPD)
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* (c)2003-2004 by Warren Dukes (shank@mercury.chem.pitt.edu)
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* This project's homepage is: http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "myfprintf.h"
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#include "interface.h"
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#include "path.h"
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#include "log.h"
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#include "conf.h"
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#include <stdarg.h>
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#include <sys/param.h>
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#include <unistd.h>
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#include <sys/select.h>
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#include <fcntl.h>
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#include <string.h>
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#include <errno.h>
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#define BUFFER_LENGTH MAXPATHLEN+1024
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int myfprintf_stdLogMode = 0;
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FILE * myfprintf_out;
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FILE * myfprintf_err;
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char * myfprintf_outFilename;
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char * myfprintf_errFilename;
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void blockingWrite(int fd, char * string, int len) {
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int ret;
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while(len) {
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ret = write(fd,string,len);
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if(ret==0) return;
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if(ret<0) {
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switch(errno) {
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case EAGAIN:
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case EINTR:
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continue;
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default:
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return;
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}
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}
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len-= ret;
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string+= ret;
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}
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}
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void myfprintfStdLogMode(FILE * out, FILE * err) {
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myfprintf_stdLogMode = 1;
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myfprintf_out = out;
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myfprintf_err = err;
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myfprintf_outFilename = getConfigParamValue(CONF_LOG_FILE);
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myfprintf_errFilename = getConfigParamValue(CONF_ERROR_FILE);
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}
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void myfprintf(FILE * fp, char * format, ... ) {
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char buffer[BUFFER_LENGTH+1];
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va_list arglist;
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int fd = fileno(fp);
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memset(buffer,0,BUFFER_LENGTH+1);
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va_start(arglist,format);
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if(fd==1 || fd==2) {
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if(myfprintf_stdLogMode) {
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time_t t = time(NULL);
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if(fd==1) fp = myfprintf_out;
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else fp = myfprintf_err;
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strftime(buffer,14,"%b %e %R",localtime(&t));
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blockingWrite(fd,buffer,strlen(buffer));
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blockingWrite(fd," : ",3);
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}
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vsnprintf(buffer,BUFFER_LENGTH,format,arglist);
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blockingWrite(fd,buffer,strlen(buffer));
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}
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else {
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int len;
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vsnprintf(buffer,BUFFER_LENGTH,format,arglist);
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len = strlen(buffer);
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if(interfacePrintWithFD(fd,buffer,len)<0) {
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blockingWrite(fd,buffer,len);
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}
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}
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va_end(arglist);
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}
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int myfprintfCloseAndOpenLogFile() {
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if(myfprintf_stdLogMode) {
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while(fclose(myfprintf_out)<0 && errno==EINTR);
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while(fclose(myfprintf_err)<0 && errno==EINTR);
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while((myfprintf_out = fopen(myfprintf_outFilename,"a+"))==NULL
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&& errno==EINTR);
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if(!myfprintf_out) {
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ERROR("error re-opening log file: %s\n",
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myfprintf_out);
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return -1;
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}
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while((myfprintf_err = fopen(myfprintf_errFilename,"a+"))==NULL
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&& errno==EINTR);
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if(!myfprintf_out) {
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ERROR("error re-opening log file: %s\n",
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myfprintf_out);
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return -1;
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}
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while(dup2(fileno(myfprintf_out),1)<0 && errno==EINTR);
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while(dup2(fileno(myfprintf_err),2)<0 && errno==EINTR);
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}
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return 0;
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}
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