mirror of
https://github.com/octoleo/lsyncd.git
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This commit is contained in:
Axel Kittenberger
parent
8905c0de88
commit
6cab8f8011
128
lsyncd.c
128
lsyncd.c
@ -48,6 +48,15 @@
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#define time_before_eq(a,b) time_after_eq(b,a)
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enum event {
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NONE = 0,
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ATTRIB = 1,
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MODIFY = 2,
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CREATE = 3,
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DELETE = 4,
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MOVE = 5,
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};
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/**
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* The Lua part of lsyncd.
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*/
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@ -520,12 +529,26 @@ get_settings(lua_State *L)
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*/
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struct inotify_event * move_event_buf = NULL;
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size_t move_event_buf_size = 0;
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/* true if the buffer is used.*/
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bool move_event = false;
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/**
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* Handles an inotify event.
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*/
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void handle_event(lua_State *L, struct inotify_event *event) {
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/* TODO */
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int event_type = NONE;
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/* used to execute two events in case of unmatched MOVE_FROM buffer */
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struct inotify_event *after_buf = NULL;
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printf("handle_event\n");
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if (event == NULL) {
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/* masterloop decided buffer was an unary MOVE_FROM event */
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event = move_event_buf;
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move_event = false;
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}
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if (IN_Q_OVERFLOW & event->mask) {
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/* and overflow happened, lets runner/user decide what to do. */
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lua_getglobal(L, "overflow");
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@ -535,57 +558,50 @@ void handle_event(lua_State *L, struct inotify_event *event) {
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if (IN_IGNORED & event->mask || reset) {
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return;
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}
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{
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if (IN_ACCESS & event->mask) {
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printf("ACCESS id=%d mask=%d cookie=%d name=%s\n", event->wd, event->mask, event->cookie, event->name);
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}
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if (IN_MODIFY & event->mask) {
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printf("MODIFY id=%d mask=%d cookie=%d name=%s\n", event->wd, event->mask, event->cookie, event->name);
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}
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if (IN_ATTRIB & event->mask) {
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printf("ATTRIB id=%d mask=%d cookie=%d name=%s\n", event->wd, event->mask, event->cookie, event->name);
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}
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if (IN_CLOSE_WRITE & event->mask) {
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printf("CLOSE_WRITE id=%d mask=%d cookie=%d name=%s\n", event->wd, event->mask, event->cookie, event->name);
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}
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if (IN_CLOSE_NOWRITE & event->mask) {
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printf("CLOSE_WRITE id=%d mask=%d cookie=%d name=%s\n", event->wd, event->mask, event->cookie, event->name);
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}
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if (IN_OPEN & event->mask) {
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printf("OPEN id=%d mask=%d cookie=%d name=%s\n", event->wd, event->mask, event->cookie, event->name);
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}
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if (IN_MOVED_FROM & event->mask) {
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/* special case, buffers this event, and wait if next event is a matching
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* MOVED_TO of this was an unary move out of the watched tree. */
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if (move_event_buf_size < sizeof(struct inotify_event) + event->len) {
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move_event_buf_size = sizeof(struct inotify_event) + event->len;
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move_event_buf = s_realloc(move_event_buf, move_event_buf_size);
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}
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memcpy(move_event_buf, event, sizeof(struct inotify_event) + event->len);
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printf("MOVED_FROM id=%d mask=%d cookie=%d name=%s\n", event->wd, event->mask, event->cookie, event->name);
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}
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if (IN_MOVED_TO & event->mask) {
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printf("MOVED_TO id=%d mask=%d cookie=%d name=%s\n", event->wd, event->mask, event->cookie, event->name);
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}
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if (IN_CREATE & event->mask) {
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printf("CREATE id=%d mask=%d cookie=%d name=%s\n", event->wd, event->mask, event->cookie, event->name);
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}
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if (IN_DELETE & event->mask) {
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printf("DELETE id=%d mask=%d cookie=%d name=%s\n", event->wd, event->mask, event->cookie, event->name);
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}
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if (IN_DELETE_SELF & event->mask) {
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printf("DELETE_SELF id=%d mask=%d cookie=%d name=%s\n", event->wd, event->mask, event->cookie, event->name);
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}
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if (IN_MOVE_SELF & event->mask) {
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printf("MOVE_SELF id=%d mask=%d cookie=%d name=%s\n", event->wd, event->mask, event->cookie, event->name);
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if (move_event && (!(IN_MOVED_TO & event->mask)|| event->cookie != move_event_buf->cookie)) {
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/* there is a MOVE_FROM event in the buffer and this is not the match */
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/* continue in this function iteration to handler the buffer instead */
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after_buf = event;
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event_type = DELETE;
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move_event = false;
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} else if (move_event && (IN_MOVED_TO & event->mask) && event->cookie == move_event_buf->cookie) {
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/* this is indeed a matched move */
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event_type = MOVE;
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move_event = false;
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} else if (IN_MOVED_FROM & event->mask) {
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/* just the MOVE_FROM, buffers this event, and wait if next event is a matching
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* MOVED_TO of this was an unary move out of the watched tree. */
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if (move_event_buf_size < sizeof(struct inotify_event) + event->len) {
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move_event_buf_size = sizeof(struct inotify_event) + event->len;
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move_event_buf = s_realloc(move_event_buf, move_event_buf_size);
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}
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memcpy(move_event_buf, event, sizeof(struct inotify_event) + event->len);
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printf("MOVED_FROM id=%d mask=%d cookie=%d name=%s\n", event->wd, event->mask, event->cookie, event->name);
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return;
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}
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if (IN_MOVED_FROM & event->mask) {
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/* must be an unary movefrom */
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event_type = DELETE;
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} else if (IN_ATTRIB & event->mask) {
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event_type = ATTRIB;
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} else if (IN_CLOSE_WRITE & event->mask) {
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event_type = MODIFY;
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} else if (IN_MOVED_TO & event->mask) {
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/* must be an unary moveto */
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event_type = CREATE;
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} else if (IN_CREATE & event->mask) {
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event_type = CREATE;
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} else if (IN_DELETE & event->mask) {
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event_type = DELETE;
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}
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lua_getglobal(L, "lsyncd_event");
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lua_pushnumber(L, event_type);
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lua_call(L, 1, 0);
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printf("id=%d mask=%d cookie=%d name=%s\n", event->wd, event->mask, event->cookie, event->name);
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// TODO
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if (after_buf) {
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handle_event(L, after_buf);
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}
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}
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/**
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@ -724,17 +740,11 @@ main(int argc, char *argv[])
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lua_setglobal(L, "lysncd");
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/* register inotify identifiers */
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lua_pushinteger(L, IN_ACCESS); lua_setglobal(L, "IN_ACCESS");
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lua_pushinteger(L, IN_ATTRIB); lua_setglobal(L, "IN_ATTRIB");
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lua_pushinteger(L, IN_CLOSE_WRITE); lua_setglobal(L, "IN_CLOSE_WRITE");
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lua_pushinteger(L, IN_CLOSE_NOWRITE); lua_setglobal(L, "IN_CLOSE_NOWRITE");
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lua_pushinteger(L, IN_CREATE); lua_setglobal(L, "IN_CREATE");
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lua_pushinteger(L, IN_DELETE); lua_setglobal(L, "IN_DELETE");
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lua_pushinteger(L, IN_DELETE_SELF); lua_setglobal(L, "IN_DELETE_SELF");
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lua_pushinteger(L, IN_MODIFY); lua_setglobal(L, "IN_MODIFY");
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lua_pushinteger(L, IN_MOVED_FROM); lua_setglobal(L, "IN_MOVED_FROM");
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lua_pushinteger(L, IN_MOVED_TO); lua_setglobal(L, "IN_MOVED_TO");
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lua_pushinteger(L, IN_OPEN); lua_setglobal(L, "IN_OPEN");
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lua_pushinteger(L, ATTRIB); lua_setglobal(L, "ATTRIB");
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lua_pushinteger(L, MODIFY); lua_setglobal(L, "MODIFY");
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lua_pushinteger(L, CREATE); lua_setglobal(L, "CREATE");
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lua_pushinteger(L, DELETE); lua_setglobal(L, "DELETE");
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lua_pushinteger(L, MOVE); lua_setglobal(L, "MOVE");
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/* TODO parse runner */
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if (!strcmp(argv[argp], "--runner")) {
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31
lsyncd.lua
31
lsyncd.lua
@ -91,7 +91,7 @@ function lsyncd_initialize()
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end
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----
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-- Calle by core to determine soonest alarm.
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-- Called by core to determine soonest alarm.
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--
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-- @param now ... the current time representation.
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--
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@ -104,6 +104,21 @@ function lsyncd_get_alarm()
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return 0, 0
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end
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lsyncd_event_names = {
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ATTRIB
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}
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-----
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-- Called by core on inotify event
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--
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-- @param etype enum (ATTRIB, MODIFY, CREATE, DELETE, MOVE)
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-- @param wd watch descriptor (matches lsyncd.add_watch())
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-- @param filename string filename without path
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--
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function lsyncd_event(etype, wd, filename)
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end
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------------------------------------------------------------------------------
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-- lsyncd user interface
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------------------------------------------------------------------------------
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@ -136,20 +151,6 @@ function default_event()
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return 0
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end
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on_access = default_event
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on_modify = default_event
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on_attrib = default_event
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on_close_write = default_event
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on_close_nowrite = default_event
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on_open = default_event
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on_moved_from = default_event -- lsyncd only unary moved from
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on_moved_to = default_event -- lsyncd only unary moved to
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on_move = default_event -- lsyncd Addon TODO
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on_create = default_event
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on_delete = default_event
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on_delete_self = default_event
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on_move_self = default_event
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-----
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-- Called by core after initialization.
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--
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