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authorTobias Klauser <tklauser@distanz.ch>2006-09-27 20:59:21 +0200
committerTobias Klauser <tklauser@xenon.tklauser.home>2006-09-27 20:59:21 +0200
commit191d6bdbbae7e4377d223dc98e1e7ace0ea000b9 (patch)
treea949fbaba09c055ea27de790198e3515565520a4 /inotail.c
parentbcad48989e6844f50d71e8856007b03606531bc8 (diff)
Move inotify event handling into own function
Diffstat (limited to 'inotail.c')
-rw-r--r--inotail.c103
1 files changed, 53 insertions, 50 deletions
diff --git a/inotail.c b/inotail.c
index da881d4..d3a0246 100644
--- a/inotail.c
+++ b/inotail.c
@@ -205,10 +205,61 @@ static int tail_file(struct file_struct *f, int n_lines, char mode)
return 0;
}
+static int handle_inotify_event(struct inotify_event *inev, struct file_struct *fil, int n_ignored)
+{
+ off_t offset;
+
+ if (inev->mask & IN_MODIFY) {
+ int rc;
+ char fbuf[BUFFER_SIZE];
+ struct stat finfo;
+
+ fil->fd = open(fil->name, O_RDONLY);
+ if (fil->fd < 0) {
+ fprintf(stderr, "Error: Could not open file '%s' (%s)\n", fil->name, strerror(errno));
+ goto ignore;
+ }
+
+ if (fstat(fil->fd, &finfo) < 0) {
+ fprintf(stderr, "Error: Could not stat file '%s' (%s)\n", fil->name, strerror(errno));
+ close(fil->fd);
+ goto ignore;
+ }
+
+ offset = fil->st_size;
+ fil->st_size = finfo.st_size;
+
+ if (verbose)
+ write_header(fil->name);
+
+ memset(&fbuf, 0, sizeof(fbuf));
+
+ lseek(fil->fd, offset, SEEK_SET);
+ while ((rc = read(fil->fd, &fbuf, BUFFER_SIZE)) != 0)
+ write(STDOUT_FILENO, fbuf, rc);
+
+ close(fil->fd);
+
+ return n_ignored;
+ } else if (inev->mask & IN_DELETE_SELF) {
+ fprintf(stderr, "File '%s' deleted.\n", fil->name);
+ } else if (inev->mask & IN_MOVE_SELF) {
+ /* TODO: Try to follow file/fd */
+ fprintf(stderr, "File '%s' moved.\n", fil->name);
+ } else if (inev->mask & IN_UNMOUNT) {
+ fprintf(stderr, "Device containing file '%s' unmounted.\n", fil->name);
+ }
+
+ignore:
+ fil->ignore = 1;
+ n_ignored++;
+
+ return n_ignored;
+}
+
static int watch_files(struct file_struct *f, int n_files)
{
int ifd, i, n_ignored = 0;
- off_t offset;
struct inotify_event *inev;
char buf[sizeof(struct inotify_event) * 32]; /* Let's hope we don't get more than 32 events at a time */
@@ -248,55 +299,7 @@ static int watch_files(struct file_struct *f, int n_files)
if (unlikely(!fil))
break;
- if (inev->mask & IN_MODIFY) {
- int rc;
- char fbuf[BUFFER_SIZE];
- struct stat finfo;
-
- fil->fd = open(fil->name, O_RDONLY);
- if (fil->fd < 0) {
- fil->ignore = 1;
- n_ignored++;
- fprintf(stderr, "Error: Could not open file '%s' (%s)\n", f->name, strerror(errno));
- continue;
- }
-
- if (fstat(fil->fd, &finfo) < 0) {
- fil->ignore = 1;
- n_ignored++;
- fprintf(stderr, "Error: Could not stat file '%s' (%s)\n", f->name, strerror(errno));
- close(fil->fd);
- continue;
- }
-
- offset = fil->st_size;
- fil->st_size = finfo.st_size;
-
- if (verbose)
- write_header(fil->name);
-
- memset(&fbuf, 0, sizeof(fbuf));
-
- lseek(fil->fd, offset, SEEK_SET);
- while ((rc = read(fil->fd, &fbuf, BUFFER_SIZE)) != 0)
- write(STDOUT_FILENO, fbuf, rc);
-
- close(fil->fd);
- } else if (inev->mask & IN_DELETE_SELF) {
- fil->ignore = 1;
- n_ignored++;
- fprintf(stderr, "File '%s' deleted.\n", fil->name);
- } else if (inev->mask & IN_MOVE_SELF) {
- fil->ignore = 1;
- n_ignored++;
- fprintf(stderr, "File '%s' moved.\n", fil->name);
- /* TODO: Try to follow file/fd */
- } else if (inev->mask & IN_UNMOUNT) {
- fil->ignore = 1;
- n_ignored++;
- fprintf(stderr, "Device containing file '%s' unmounted.\n", fil->name);
- }
-
+ n_ignored = handle_inotify_event(inev, fil, n_ignored);
len -= sizeof(struct inotify_event) + inev->len;
inev = (struct inotify_event *) ((char *) inev + sizeof(struct inotify_event) + inev->len);
}