cotugno/recorder
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use safewrite() for monitor hook file so that it cannot disappear temporarily

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This commit is contained in:
Jan-Piet Mens 2015-08-15 16:27:19 +02:00
parent 1ad7b59a80
commit cbbf16a1a1
3 changed files with 15 additions and 11 deletions
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12
Makefile
View File

@ -17,14 +17,14 @@ ot-reader: ot-reader.c json.o utstring.h ghash.o mkpath.o jget.o
ot-recorder: ot-recorder.c json.o utarray.h utstring.h geo.o geohash.o mkpath.o file.o safewrite.o base64.o ghash.o config.h udata.h misc.o
$(CC) $(CFLAGS) ot-recorder.c -o ot-recorder json.o geo.o geohash.o mkpath.o file.o safewrite.o base64.o ghash.o misc.o $(LIBS)
geo.o: geo.h geo.c udata.h
geohash.o: geohash.h geohash.c udata.h
file.o: file.h file.c config.h misc.h
geo.o: geo.h geo.c udata.h Makefile config.mk
geohash.o: geohash.h geohash.c udata.h Makefile config.mk
file.o: file.h file.c config.h misc.h Makefile config.mk
base64.o: base64.h base64.c
ghash.o: ghash.h ghash.c config.h udata.h misc.h
ghash.o: ghash.h ghash.c config.h udata.h misc.h Makefile config.mk
safewrite.o: safewrite.h safewrite.c
jget.o: jget.c jget.h json.h
misc.o: misc.c misc.h udata.h
jget.o: jget.c jget.h json.h Makefile config.mk
misc.o: misc.c misc.h udata.h Makefile config.mk
clean:
rm -f *.o

11
misc.c
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@ -4,6 +4,7 @@
#include "ctype.h"
#include "udata.h"
#include "misc.h"
#include "safewrite.h"
char *bindump(char *buf, long buflen)
{
@ -41,13 +42,13 @@ void monitorhook(struct udata *userdata, time_t now, char *topic)
#else
if (ud->usefiles) {
char mpath[BUFSIZ];
FILE *fp;
static UT_string *us = NULL;
utstring_renew(us);
utstring_printf(us, "%ld %s\n", now, topic);
sprintf(mpath, "%s/monitor", JSONDIR);
if ((fp = fopen(mpath, "w")) != NULL) {
fprintf(fp, "%ld %s\n", now, topic);
fclose(fp);
}
safewrite(mpath, utstring_body(us));
}
#endif
}

3
safewrite.h
View File

@ -1,3 +1,6 @@
#ifndef SAFEWRITE_H_INCLUDED
# define SAFEWRITE_H_INCLUDED
int safewrite(char *filename, char *buf);
#endif