mirror of
https://github.com/octoleo/lsyncd.git
synced 2024-12-13 14:43:09 +00:00
added plugs for OSX /dev/events - does not yet work.
This commit is contained in:
Axel Kittenberger
parent
9a1c297017
commit
c80d59cdfa
@ -5,6 +5,9 @@ lsyncd_SOURCES = lsyncd.h lsyncd.c lsyncd.lua
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if INOTIFY
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lsyncd_SOURCES += inotify.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 = $(LIBLUA_LIBS)
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exampledir = $(datarootdir)/doc/@PACKAGE@
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20
configure.ac
20
configure.ac
@ -18,7 +18,7 @@ AC_CHECK_HEADERS([sys/inotify.h])
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###
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# --with-runner option
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AC_ARG_WITH([runner],
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[ --with-runner=<dir> Specify directory where lsyncds part written in Lua will be placed.
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[ --with-runner=<dir> Specify directory where lsyncds part written in Lua will be placed.
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If missing it will be compiled into the binary])
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if test "x${with_runner}" != x; then
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AC_DEFINE_UNQUOTED(LSYNCD_DEFAULT_RUNNER_FILE, "${with_runner}/lsyncd.lua", "descr")
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@ -29,7 +29,7 @@ AM_CONDITIONAL([RUNNER], [test x${with_runner} != x])
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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 compile Linux inotify event interface (on by default)])
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[ --without-inotify Do not compile Linux inotify event interface. On by default.])
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if test "x${with_inotify}" == xno; then
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echo "compiling without inotify"
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else
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@ -38,6 +38,22 @@ else
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fi
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AM_CONDITIONAL([INOTIFY], [test x${with_inotify} != xno])
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###
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# --with-fsevents
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AC_ARG_WITH([fsevents],
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[ --with-fsevents=DIR Uses MacOS (10.5) /dev/fsevents, experimental! Off by default.
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As DIR specify dir where xnu headers can be found.])
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if test "x${with_fsevents}" == xno; then
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with_fsevents=
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fi
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if test "x${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], [test x${with_fsevents} != x])
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# Checks for typedefs, structures, and compiler characteristics.
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# Checks for library functions.
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AC_CONFIG_FILES([Makefile])
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49
fsevents.c
Normal file
49
fsevents.c
Normal file
@ -0,0 +1,49 @@
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/**
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* fsevents.c from Lsyncd - Live (Mirror) Syncing Demon
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*
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* License: GPLv2 (see COPYING) or any later version
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*
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* Authors: Axel Kittenberger <axkibe@gmail.com>
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*
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* -----------------------------------------------------------------------
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*
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* Event interface for MacOS 10(.5) /dev/fsevents interface.
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*
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* WARNING! AFAIK this interface is not strictly considered "public" API
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* by Apple. Thus it might easily change between versions. Also its said,
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* altough every event receiver has its own message queue, the OS X kernel
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* only deletes a message after *all* registered receivers handled it. So
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* one receiver blocking overflows all receivers. So spotlight might have
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* to do more stuff, when Lsyncd might cause an overflow. Use at own risk.
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*
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* Special thanks go to Amit Singh and his fslogger demonstration that
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* showed how apples /dev/fsevents can be used.
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* http://osxbook.com/software/fslogger/
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*/
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#include "lsyncd.h"
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/**
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* registers fsevents functions.
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*/
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extern void
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register_fsevents(lua_State *L) {
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// TODO
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}
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/**
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* opens and initalizes fsevents.
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*/
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extern void
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open_fsevents(lua_State *L) {
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// TODO
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}
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/**
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* closes fsevents
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*/
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extern void
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close_fsevents() {
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// TODO
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}
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40
lsyncd.c
40
lsyncd.c
@ -40,16 +40,18 @@
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* The Lua part of lsyncd if compiled into the binary.
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*/
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#ifndef LSYNCD_DEFAULT_RUNNER_FILE
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extern char _binary_luac_out_start;
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extern char _binary_luac_out_end;
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extern char _binary_luac_out_start;
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extern char _binary_luac_out_end;
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#endif
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/**
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* The default notification system to use.
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*/
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#ifdef LSYNCD_WITH_INOTIFY
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extern char *default_notify = "Inotify";
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#if defined LSYNCD_WITH_INOTIFY
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static char *default_notify = "Inotify";
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#elif defined LSYNCD_WITH_FSEVENTS
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static char *default_notify = "FsEvents";
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#else
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# error "need at least one notifcation system. please rerun ./configure"
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#endif
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@ -73,7 +75,7 @@ static bool is_daemon = false;
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* True after first configuration phase. This is to write configuration error
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* messages to stdout/stderr after being first started. Then it uses whatever
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* it has been configured to. This survives a reset by HUP signal or
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* inotify OVERFLOW!
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* inotify OVERFLOW.
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*/
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static bool running = false;
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@ -1142,12 +1144,15 @@ masterloop(lua_State *L)
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lua_pop(L, 2);
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if (have_alarm && time_before_eq(alarm_time, now)) {
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/* there is a delay that wants to be handled already thus do not
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* read from inotify_fd and jump directly to its handling */
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/* there is a delay that wants to be handled already thus instead of
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* reading/writing from observances it jumps directly to handling */
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// TODO: Actually it might be smarter to handler observances eitherway.
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// since event queues might overflow.
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logstring("Masterloop", "immediately handling delays.");
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} else {
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/* use select() to determine what happens next
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* + a new event on inotify
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* + a new event on an observance
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* + an alarm on timeout
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* + the return of a child process */
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struct timespec tv;
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@ -1336,8 +1341,14 @@ main1(int argc, char *argv[])
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lua_setglobal(L, "lysncd");
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lua_getglobal(L, "lysncd");
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#ifdef LSYNCD_WITH_INOTIFY
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register_inotify(L);
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lua_settable(L, -3);
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#endif
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#ifdef LSYNCD_WITH_FSEVENTS
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register_fsevents(L);
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lua_settable(L, -3);
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#endif
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lua_pop(L, 1);
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if (check_logcat("Debug") >= settings.log_level) {
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@ -1509,7 +1520,12 @@ main1(int argc, char *argv[])
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}
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}
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#ifdef LSYNCD_WITH_INOTIFY
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open_inotify(L);
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#endif
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#ifdef LSYNCD_WITH_FSEVENTS
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open_fsevents(L);
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#endif
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{
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/* adds signal handlers *
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@ -1529,7 +1545,8 @@ main1(int argc, char *argv[])
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/* runs initialitions from runner
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* lua code will set configuration and add watches */
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load_runner_func(L, "initialize");
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if (lua_pcall(L, 0, 0, -2)) {
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lua_pushstring(L, default_notify);
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if (lua_pcall(L, 1, 0, -3)) {
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exit(-1); // ERRNO
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}
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lua_pop(L, 1);
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@ -1566,7 +1583,12 @@ main1(int argc, char *argv[])
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settings.log_level = 0,
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settings.nodaemon = false,
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#ifdef LSYNCD_WITH_INOTIFY
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close_inotify();
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#endif
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#ifdef LSYNCD_WITH_FSEVENTS
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close_fsevents();
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#endif
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lua_close(L);
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return 0;
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}
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10
lsyncd.h
10
lsyncd.h
@ -116,10 +116,20 @@ extern void unobserve_fd(int fd);
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/*-----------------------------------------------------------------------------
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* inotify
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*/
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#ifdef LSYNCD_WITH_INOTIFY
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extern void register_inotify(lua_State *L);
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extern void open_inotify(lua_State *L);
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extern void close_inotify();
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#endif
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/*-----------------------------------------------------------------------------
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* /dev/fsevents
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*/
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#ifdef LSYNCD_WITH_FSEVENTS
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extern void register_fsevents(lua_State *L);
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extern void open_fsevents(lua_State *L);
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extern void close_fsevents();
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#endif
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#endif
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