mirror of
https://github.com/octoleo/lsyncd.git
synced 2024-12-13 14:43:09 +00:00
working on fsevents
This commit is contained in:
Axel Kittenberger
parent
2f21d0f0b8
commit
44e0e45594
16
Makefile.am
16
Makefile.am
@ -2,16 +2,16 @@ AUTOMAKE_OPTIONS = foreign
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CFLAGS += -Wall $(LUA_CFLAGS)
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bin_PROGRAMS = lsyncd
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lsyncd_SOURCES = lsyncd.h lsyncd.c lsyncd.lua
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#if INOTIFY
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if INOTIFY
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lsyncd_SOURCES += inotify.c
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#endif
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#if FANOTIFY
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#lsyncd_SOURCES += fanotify.c
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#endif
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endif
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if FANOTIFY
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lsyncd_SOURCES += fanotify.c
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endif
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#if FSEVENTS
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#lsyncd_SOURCES += fsevents.c
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#endif
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if FSEVENTS
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lsyncd_SOURCES += fsevents.c
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endif
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lsyncd_LDADD = $(LUA_LIBS)
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exampledir = $(datarootdir)/doc/@PACKAGE@
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66
configure.ac
66
configure.ac
@ -41,44 +41,44 @@ AM_CONDITIONAL([RUNNER], [test x${with_runner} != x])
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## With this release Lsyncd can yet only do with inotify.
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## enabling fsevents and disabling inotify is thus commented out.
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####
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## --without-inotify option
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#AC_ARG_WITH([inotify],
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#[ --without-inotify Do not use Linux inotify event interface. On by default.])
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#if test "x${with_inotify}" == xno; then
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# echo "compiling without inotify"
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#else
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echo "compiling with inotify"
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AC_DEFINE(LSYNCD_WITH_INOTIFY,,"descr")
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#fi
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###
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# --without-inotify option
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AC_ARG_WITH([inotify],
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[ --without-inotify Do not use Linux inotify event interface. On by default.])
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if test "x${with_inotify}" == xno; then
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echo "compiling without inotify"
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else
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echo "compiling with inotify"
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AC_DEFINE(LSYNCD_WITH_INOTIFY,,"descr")
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fi
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AM_CONDITIONAL([INOTIFY], [test x${with_inotify} != xno])
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####
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## --with-fanotify option
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##
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#AC_ARG_WITH([fanotify],
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#[ --with-fanotify Uses Linux new fanotify event interface. EXPERIMENTAL!
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# Off by default.])
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##if test "x${with_fanotify}" == xno; then
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# echo "compiling without fanotify"
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#else
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# echo "compiling with fanotify - WARNING experimental!"
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# AC_DEFINE(LSYNCD_WITH_FANOTIFY,,"descr")
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##fi
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###
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# --with-fanotify option
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#
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AC_ARG_WITH([fanotify],
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[ --with-fanotify Uses Linux new fanotify event interface. EXPERIMENTAL!
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Off by default.])
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if test "x${with_fanotify}" == x || test "x${with_fanotify}no" == xno; then
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echo "compiling without fanotify"
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else
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echo "compiling with fanotify - WARNING experimental!"
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AC_DEFINE(LSYNCD_WITH_FANOTIFY,,"descr")
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fi
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AM_CONDITIONAL([FANOTIFY],
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[test x${with_fanotify} != x -a x${with_fanotify} != xno])
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####
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## --with-fsevents
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#AC_ARG_WITH([fsevents],
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#[ --with-fsevents Uses MacOS (10.5) /dev/fsevents. EXPERIMENTAL!
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# Off by default.])
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#if test "x${with_fsevents}" != x; then
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# echo "compiling with fsevents. WARNING experimental!"
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# AC_DEFINE(LSYNCD_WITH_FSEVENTS,,"descr")
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#else
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# echo "compiling without fsevents"
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#fi
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###
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# --with-fsevents
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AC_ARG_WITH([fsevents],
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[ --with-fsevents Uses MacOS (10.5) /dev/fsevents. EXPERIMENTAL!
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Off by default.])
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if test "x${with_fsevents}" != x; then
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echo "compiling with fsevents. WARNING experimental!"
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AC_DEFINE(LSYNCD_WITH_FSEVENTS,,"descr")
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else
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echo "compiling without fsevents"
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fi
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AM_CONDITIONAL([FSEVENTS],
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[test x${with_fsevents} != x -a xno${with_fsevents} != xno])
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147
fsevents.c
147
fsevents.c
@ -25,9 +25,6 @@
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* including Spotlight. Consequently, Spotlight may need to look at the entire
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* volume to determine "what changed".
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*/
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#error "This code is not yet finished."
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#include "lsyncd.h"
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#include <sys/types.h>
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@ -90,7 +87,8 @@ struct kfs_event {
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pid_t pid;
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/* event arguments */
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struct kfs_event_arg args[KFS_NUM_ARGS];
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struct kfs_event_arg args[];
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/* struct kfs_event_arg args[KFS_NUM_ARGS]; */
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};
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/**
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@ -102,7 +100,7 @@ static const luaL_reg lfseventslib[] = {
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{NULL, NULL}
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};
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// event names
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/* event names */
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static const char *eventNames[FSE_MAX_EVENTS] = {
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"CREATE_FILE",
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"DELETE",
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@ -117,9 +115,111 @@ static const char *eventNames[FSE_MAX_EVENTS] = {
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"XATTR_REMOVED",
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};
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/* argument names*/
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static const char *argNames[] = {
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"UNKNOWN",
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"VNODE",
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"STRING",
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"PATH",
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"INT32",
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"INT64",
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"RAW",
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"INO",
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"UID",
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"DEV",
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"MODE",
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"GID",
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"FINFO",
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};
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/**
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* The read buffer
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*/
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static size_t const readbuf_size = 131072;
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static char * readbuf = NULL;
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/**
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* Handles one fsevents event
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* @returns the size of the event
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*/
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static ssize_t
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handle_event(lua_State *L, struct kfs_event *event, ssize_t mlen)
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{
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/* the len of the event */
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ssize_t len = sizeof(int32_t) + sizeof(pid_t);
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bool want_path = false;
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const char *path = NULL;
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if (event->type == FSE_EVENTS_DROPPED) {
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logstring("Fsevents", "Events dropped!");
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load_runner_func(L, "overflow");
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if (lua_pcall(L, 0, 0, -2)) {
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exit(-1); // ERRNO
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}
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lua_pop(L, 1);
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hup = 1;
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len += sizeof(u_int16_t);
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return len;
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}
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{
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int32_t atype = event->type & FSE_TYPE_MASK;
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uint32_t aflags = FSE_GET_FLAGS(event->type);
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if ((atype < FSE_MAX_EVENTS) && (atype >= -1)) {
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printlogf(L, "Fsevents", "got event %s", eventNames[atype]);
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if (aflags & FSE_COMBINED_EVENTS) {
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logstring("Fsevents", "combined events");
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}
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if (aflags & FSE_CONTAINS_DROPPED_EVENTS) {
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logstring("Fsevents", "contains dropped events");
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}
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} else {
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printlogf(L, "Error", "unknown event(%d) in fsevents.",
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atype);
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exit(-1); // ERRNO
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}
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switch(atype) {
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case FSE_CREATE_FILE :
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want_path = true;
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break;
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}
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}
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{
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struct kfs_event_arg *arg = event->args;
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while (len < mlen) {
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int eoff;
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if (arg->type == FSE_ARG_DONE) {
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logstring("Fsevents", "argdone");
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len += sizeof(u_int16_t);
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break;
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}
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switch (arg->type) {
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case FSE_ARG_STRING :
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if (want_path && !path) {
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path = arg->data.str;
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}
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break;
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}
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eoff = sizeof(arg->type) + sizeof(arg->len) + arg->len;
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len += eoff;
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printlogf(L, "Fsevents", "arg:%s:%d",
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argNames[arg->type > FSE_MAX_ARGS ? 0 : arg->type],
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arg->len);
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arg = (struct kfs_event_arg *) ((char *) arg + eoff);
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}
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}
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if (path) {
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// printlogf(L, "path=%s", path);
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}
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return len;
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}
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/**
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* Called when fsevents has something to read
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*/
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@ -141,7 +241,7 @@ fsevents_ready(lua_State *L, struct observance *obs)
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}
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if (len < 0) {
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if (err == EAGAIN) {
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/* nothing more inotify */
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/* nothing more */
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break;
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} else {
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printlogf(L, "Error", "Read fail on fsevents");
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@ -150,40 +250,9 @@ fsevents_ready(lua_State *L, struct observance *obs)
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}
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{
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int off = 0;
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int32_t atype;
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uint32_t aflags;
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while (off < len && !hup && !term) {
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struct kfs_event *event = (struct kfs_event *) &readbuf[off];
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off += sizeof(int32_t) + sizeof(pid_t);
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if (event->type == FSE_EVENTS_DROPPED) {
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logstring("Fsevents", "Events dropped!");
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load_runner_func(L, "overflow");
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if (lua_pcall(L, 0, 0, -2)) {
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exit(-1); // ERRNO
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}
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lua_pop(L, 1);
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hup = 1;
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off += sizeof(u_int16_t);
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continue;
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}
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atype = event->type & FSE_TYPE_MASK;
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aflags = FSE_GET_FLAGS(event->type);
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if ((atype < FSE_MAX_EVENTS) && (atype >= -1)) {
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printlogf(L, "Fsevents", "got event %s", eventNames[atype]);
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if (aflags & FSE_COMBINED_EVENTS) {
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logstring("Fsevents", "combined events");
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}
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if (aflags & FSE_CONTAINS_DROPPED_EVENTS) {
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logstring("Fsevents", "contains dropped events");
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}
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} else {
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printlogf(L, "Error", "unknown event(%d) in fsevents.",
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atype);
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exit(-1); // ERRNO
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}
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off += handle_event(L, event, len);
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}
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}
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}
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@ -220,8 +289,6 @@ register_fsevents(lua_State *L) {
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extern void
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open_fsevents(lua_State *L)
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{
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return;
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int8_t event_list[] = { // action to take for each event
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FSE_REPORT, /* FSE_CREATE_FILE */
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FSE_REPORT, /* FSE_DELETE */
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104
lsyncd.lua
104
lsyncd.lua
@ -1871,60 +1871,60 @@ local Inotify = (function()
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}
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end)()
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------
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---- Interface to OSX /dev/fsevents, watches the whole filesystems
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----
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---- All fsevents specific implementation should be enclosed here.
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----
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--local Fsevents = (function()
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-- -----
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-- -- A list indexed by sync's containing the root path this
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-- -- sync is interested in.
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-- --
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-- local syncPaths = {}
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-- Interface to OSX /dev/fsevents, watches the whole filesystems
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--
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-- -----
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-- -- adds a Sync to receive events
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-- --
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-- -- @param sync Object to receive events
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-- -- @param dir dir to watch
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-- --
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-- local function addSync(sync, dir)
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-- if syncRoots[sync] then
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-- error("duplicate sync in Fanotify.addSync()")
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-- end
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-- -- TODO for non subdirs adddir only
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-- syncRoots[sync] = dir
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-- end
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-- All fsevents specific implementation should be enclosed here.
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--
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-- -----
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-- -- Called when any event has occured.
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-- --
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-- -- @param etype "Attrib", "Mofify", "Create", "Delete", "Move")
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-- -- @param wd watch descriptor (matches lsyncd.inotifyadd())
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-- -- @param isdir true if filename is a directory
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-- -- @param time time of event
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-- -- @param filename string filename without path
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-- -- @param filename2
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-- --
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-- local function event(etype, isdir, time, filename, filename2)
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-- log("Fsevents", etype, isdir, time, filename, filename2)
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-- end
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--
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-- -----
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-- -- Writes a status report about inotifies to a filedescriptor
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-- --
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-- local function statusReport(f)
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-- -- TODO
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-- end
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--
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-- -- public interface
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-- return {
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-- addSync = addSync,
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-- event = event,
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-- statusReport = statusReport
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-- }
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--end)()
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local Fsevents = (function()
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-----
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-- A list indexed by sync's containing the root path this
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-- sync is interested in.
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--
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local syncRoots = {}
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-----
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-- adds a Sync to receive events
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--
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-- @param sync Object to receive events
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-- @param dir dir to watch
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--
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local function addSync(sync, dir)
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if syncRoots[sync] then
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error("duplicate sync in Fanotify.addSync()")
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end
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-- TODO for non subdirs adddir only
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syncRoots[sync] = dir
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end
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-----
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-- Called when any event has occured.
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--
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-- @param etype "Attrib", "Mofify", "Create", "Delete", "Move")
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-- @param wd watch descriptor (matches lsyncd.inotifyadd())
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-- @param isdir true if filename is a directory
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-- @param time time of event
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-- @param filename string filename without path
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-- @param filename2
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--
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local function event(etype, isdir, time, filename, filename2)
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log("Fsevents", etype, isdir, time, filename, filename2)
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end
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-----
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-- Writes a status report about inotifies to a filedescriptor
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--
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local function statusReport(f)
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-- TODO
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end
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-- public interface
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return {
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addSync = addSync,
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event = event,
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statusReport = statusReport
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}
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end)()
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-----
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-- Holds information about the event monitor capabilities
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@ -2643,7 +2643,7 @@ function runner.initialize()
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for _, s in Syncs.iwalk() do
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if s.config.monitor == "inotify" then
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Inotify.addSync(s, s.source)
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elseif s.config.monitor == "fanotify" then
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elseif s.config.monitor == "fsevents" then
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Fsevents.addSync(s, s.source)
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else
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error("sync "..s.config.name..
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Block a user