return ev_default_loop_ptr;
}
+version (UnitTest):
+extern (D):
+import stdio = std.stdio;
+import stdlib = std.c.stdlib;
+import str = std.string;
+import unix = std.c.unix.unix;
+import proc = std.c.process;
+enum { SIGINT = 2 }
+const STAT_FILE = "/tmp/libev-stat-test-file";
+const TEST_TEXT = "hello";
+bool prepare_done = false;
+bool check_done = false;
+bool idle_done = false;
+bool timer_done = false;
+bool io_done = false;
+bool stat_done = false;
+bool child_done = false;
+bool signal_done = false;
+bool eio_done = false;
+int child_pid = -1;
+unittest
+{
+ stdio.writefln("Unittesting...");
+ extern (C) static void cbprepare(ev_loop_t* loop, ev_prepare* w, int revents)
+ {
+ stdio.writefln("ev_prepare");
+ assert (!prepare_done);
+ assert (!check_done);
+ assert (!idle_done);
+ assert (!timer_done);
+ assert (!io_done);
+ assert (!stat_done);
+ assert (!child_done);
+ assert (!signal_done);
+ assert (!eio_done);
+ prepare_done = true;
+ ev_prepare_stop(loop, w);
+ }
+ extern (C) static void cbcheck(ev_loop_t* loop, ev_check* w, int revents)
+ {
+ stdio.writefln("ev_check");
+ assert (prepare_done);
+ assert (!check_done);
+ assert (!idle_done);
+ assert (!timer_done);
+ assert (!io_done);
+ assert (!stat_done);
+ assert (!child_done);
+ assert (!signal_done);
+ assert (!eio_done);
+ check_done = true;
+ ev_check_stop(loop, w);
+ }
+ extern (C) static void cbidle(ev_loop_t* loop, ev_idle* w, int revents)
+ {
+ stdio.writefln("ev_idle");
+ assert (prepare_done);
+ assert (check_done);
+ assert (!idle_done);
+ assert (!timer_done);
+ assert (!io_done);
+ assert (!stat_done);
+ assert (!child_done);
+ assert (!signal_done);
+ assert (!eio_done);
+ idle_done = true;
+ ev_idle_stop(loop, w);
+ }
+ extern (C) static void cbtimer(ev_loop_t* loop, ev_timer* w,
+ int revents)
+ {
+ stdio.writefln("ev_timer");
+ assert (prepare_done);
+ assert (check_done);
+ assert (idle_done);
+ assert (!timer_done);
+ assert (!io_done);
+ assert (!stat_done);
+ assert (!child_done);
+ assert (!signal_done);
+ assert (!eio_done);
+ timer_done = true;
+ ev_timer_stop(loop, w);
+ stdio.writefln("\tfiring ev_io");
+ stdio.writefln("\t\topening pipe for writing...");
+ int pipe_fd = *cast (int*) w.data;
+ stdio.writefln("\t\twriting '%s' to pipe...", TEST_TEXT);
+ int n = unix.write(pipe_fd, cast (void*) TEST_TEXT,
+ TEST_TEXT.length);
+ assert (n == TEST_TEXT.length);
+ }
+ extern (C) static void cbio(ev_loop_t* loop, ev_io* w, int revents)
+ {
+ stdio.writefln("ev_io");
+ assert (prepare_done);
+ assert (check_done);
+ assert (idle_done);
+ assert (timer_done);
+ assert (!io_done);
+ assert (!stat_done);
+ assert (!child_done);
+ assert (!signal_done);
+ assert (!eio_done);
+ io_done = true;
+ ev_io_stop(loop, w);
+ char[TEST_TEXT.length] buffer;
+ stdio.writefln("\treading %d bytes from pipe...",
+ buffer.length);
+ int n = unix.read(w.fd, cast (void*) buffer, buffer.length);
+ assert (n == TEST_TEXT.length);
+ assert (buffer.dup == TEST_TEXT.dup);
+ stdio.writefln("\tread '%s'", buffer);
+ stdio.writefln("\tfiring ev_stat");
+ stdio.writefln("\t\topening file '%s'", STAT_FILE);
+ int fd = unix.open(str.toStringz(STAT_FILE),
+ unix.O_WRONLY | unix.O_TRUNC | unix.O_CREAT);
+ assert (fd != -1);
+ stdio.writefln("\t\tfd: %d", fd);
+ n = unix.write(fd, cast (void*) TEST_TEXT,
+ TEST_TEXT.length);
+ assert (n == TEST_TEXT.length);
+ unix.close(fd);
+ }
+ extern (C) static void cbstat(ev_loop_t* loop, ev_stat* w, int revents)
+ {
+ stdio.writefln("ev_stat");
+ assert (prepare_done);
+ assert (check_done);
+ assert (idle_done);
+ assert (timer_done);
+ assert (io_done);
+ assert (!stat_done);
+ assert (!child_done);
+ assert (!signal_done);
+ assert (!eio_done);
+ stat_done = true;
+ ev_stat_stop(loop, w);
+ static void print_stat(ev_statdata* s)
+ {
+ stdio.writefln("\t\t\tinode: ", s.st_ino);
+ stdio.writefln("\t\t\tmode: ", s.st_mode);
+ stdio.writefln("\t\t\tlinks: ", s.st_nlink);
+ stdio.writefln("\t\t\tuid: ", s.st_uid);
+ stdio.writefln("\t\t\tgid: ", s.st_gid);
+ stdio.writefln("\t\t\tsize: ", s.st_size);
+ stdio.writefln("\t\t\tatime: ", s.st_atime);
+ stdio.writefln("\t\t\tmtime: ", s.st_mtime);
+ stdio.writefln("\t\t\tctime: ", s.st_ctime);
+ }
+ if (w.attr.st_nlink)
+ {
+ stdio.writefln("\tfile '%s' changed", str.toString(w.path));
+ stdio.writefln("\t\tprevios state:");
+ print_stat(&w.prev);
+ stdio.writefln("\t\tcurrent state:");
+ print_stat(&w.attr);
+ }
+ else
+ {
+ stdio.writefln("\tfile '%s' does not exist!",
+ str.toString(w.path));
+ stdio.writefln("\t\tprevios state:");
+ print_stat(&w.prev);
+ }
+ stdio.writefln("\tfiring ev_fork...");
+ stdio.writefln("\t\tforking...");
+ auto pid = unix.fork();
+ assert (pid != -1);
+ if (pid)
+ {
+ child_pid = pid;
+ stdio.writefln("\t\tev_stat: in parent, child pid: ", pid);
+ }
+ else
+ {
+ stdio.writefln("\t\tev_stat: in child, calling "
+ "ev_default_fork...");
+ ev_default_fork();
+ }
+ }
+ extern (C) static void cbchild(ev_loop_t* loop, ev_child* w, int revents)
+ {
+ stdio.writefln("ev_child");
+ assert (prepare_done);
+ assert (check_done);
+ assert (idle_done);
+ assert (timer_done);
+ assert (io_done);
+ assert (stat_done);
+ assert (!child_done);
+ assert (!signal_done);
+ assert (!eio_done);
+ child_done = true;
+ ev_child_stop(loop, w);
+ static ubyte WEXITSTATUS(int s)
+ {
+ return cast(ubyte)((s & 0xff00) >> 8);
+ }
+ static ubyte WTERMSIG(int s)
+ {
+ return cast(ubyte)(s & 0x7f);
+ }
+ static bool WIFEXITED(int s)
+ {
+ return WTERMSIG(s) == 0;
+ }
+ static bool WIFSIGNALED(int s)
+ {
+ return cast(byte)(((s & 0x7f) + 1) >> 1) > 0;
+ }
+ static bool WCOREDUMP(int s)
+ {
+ return cast(bool)(s & 0x80);
+ }
+ stdio.writefln("\tthe child with pid %d exited with status "
+ "%d", w.rpid, w.rstatus);
+ assert (child_pid == w.rpid);
+ if (WIFEXITED(w.rstatus))
+ stdio.writefln("\tchild exited normally with code ",
+ WEXITSTATUS(w.rstatus));
+ if (WIFSIGNALED(w.rstatus))
+ {
+ stdio.writefln("\tchild exited with signal ",
+ WTERMSIG(w.rstatus));
+ if (WCOREDUMP(w.rstatus))
+ stdio.writefln("\tchild produced a core dump");
+ }
+ assert (WIFEXITED(w.rstatus) && WEXITSTATUS(w.rstatus) == 5);
+ stdio.writefln("\tfiring ev_signal");
+ stdio.writefln("\t\tsending signal 2 (SIGINT)");
+ unix.kill(proc.getpid(), SIGINT);
+ }
+ extern (C) static void cbfork(ev_loop_t* loop, ev_fork* w, int revents)
+ {
+ stdio.writefln("ev_fork");
+ assert (prepare_done);
+ assert (check_done);
+ assert (idle_done);
+ assert (timer_done);
+ assert (io_done);
+ assert (stat_done);
+ assert (!child_done);
+ assert (!signal_done);
+ assert (!eio_done);
+ ev_fork_stop(loop, w);
+ stdio.writefln("\texiting the child program with return "
+ "code 5");
+ stdlib.exit(5);
+ }
+ extern (C) static void cbsignal(ev_loop_t* loop, ev_signal* w,
+ int revents)
+ {
+ stdio.writefln("ev_signal");
+ assert (prepare_done);
+ assert (check_done);
+ assert (idle_done);
+ assert (timer_done);
+ assert (io_done);
+ assert (stat_done);
+ assert (child_done);
+ assert (!signal_done);
+ assert (!eio_done);
+ signal_done = true;
+ ev_signal_stop(loop, w);
+ stdio.writefln("\tfiring embeded ev_io...");
+ stdio.writefln("\t\topening pipe for writing...");
+ int pipe_fd = *cast(int*)w.data;
+ stdio.writefln("\t\twriting '%s' to pipe...", TEST_TEXT);
+ int n = unix.write(pipe_fd, cast(void*)TEST_TEXT,
+ TEST_TEXT.length);
+ assert (n == TEST_TEXT.length);
+ }
+ extern (C) static void ecbio(ev_loop_t* loop, ev_io* w, int revents)
+ {
+ stdio.writefln("embeded ev_io");
+ assert (prepare_done);
+ assert (check_done);
+ assert (idle_done);
+ assert (timer_done);
+ assert (io_done);
+ assert (stat_done);
+ assert (child_done);
+ assert (signal_done);
+ assert (!eio_done);
+ eio_done = true;
+ //ev_io_stop(loop, w);
+ char[TEST_TEXT.length] buffer;
+ stdio.writefln("\treading %d bytes from pipe...",
+ buffer.length);
+ int n = unix.read(w.fd, cast (void*) buffer, buffer.length);
+ assert (n == TEST_TEXT.length);
+ assert (buffer.dup == TEST_TEXT.dup);
+ stdio.writefln("\tread '%s'", buffer);
+ stdio.writefln("\tstoping the loop");
+ ev_unloop(loop, how.ONE);
+ }
+ extern (C) static void cbembed(ev_loop_t* loop, ev_embed* w, int revents)
+ {
+ stdio.writefln("ev_embed");
+ stdio.writefln("\tsweeping embeded loop...");
+ ev_embed_sweep(w.other, w);
+ //ev_embed_stop(loop, w);
+ }
+
+ auto loop = ev_default_loop(0);
+
+ ev_io wio;
+ ev_io ewio;
+ ev_timer wtimer;
+ ev_signal wsignal;
+ ev_child wchild;
+ ev_stat wstat;
+ ev_idle widle;
+ ev_prepare wprepare;
+ ev_check wcheck;
+ ev_fork wfork;
+ ev_embed wembed;
+
+ ev_loop_t* eloop = ev_embeddable_backends() & ev_recommended_backends()
+ ? ev_loop_new(ev_embeddable_backends () &
+ ev_recommended_backends ())
+ : null;
+
+ if (eloop)
+ {
+ stdio.writefln("Initializing embeded loop");
+ ev_embed_init(&wembed, &cbembed, eloop);
+ ev_embed_start(loop, &wembed);
+ }
+ else
+ {
+ stdio.writefln("No embeded loop, using the default");
+ eloop = loop;
+ }
+
+ int[2] epipe;
+ {
+ int ret = unix.pipe(epipe);
+ assert (ret == 0);
+ }
+ ev_io_init(&ewio, &ecbio, epipe[0], READ);
+ ev_io_start(eloop, &ewio);
+
+ int[2] pipe;
+ {
+ int ret = unix.pipe(pipe);
+ assert (ret == 0);
+ }
+
+ ev_io_init(&wio, &cbio, pipe[0], READ);
+ ev_io_start(loop, &wio);
+
+ ev_timer_init(&wtimer, &cbtimer, 1.5, 0.);
+ wtimer.data = &pipe[1]; // write fd
+ ev_timer_start(loop, &wtimer);
+
+ ev_signal_init(&wsignal, &cbsignal, SIGINT);
+ wsignal.data = &epipe[1]; // write fd
+ ev_signal_start(loop, &wsignal);
+
+ ev_child_init(&wchild, &cbchild, 0 /* trace any PID */);
+ ev_child_start(loop, &wchild);
+
+ ev_stat_init(&wstat, &cbstat, str.toStringz(STAT_FILE), 0 /* auto */);
+ ev_stat_start(loop, &wstat);
+
+ ev_idle_init(&widle, &cbidle);
+ ev_idle_start(loop, &widle);
+
+ ev_prepare_init(&wprepare, &cbprepare);
+ ev_prepare_start(loop, &wprepare);
+
+ ev_check_init(&wcheck, &cbcheck);
+ ev_check_start(loop, &wcheck);
+
+ ev_fork_init(&wfork, &cbfork);
+ ev_fork_start(loop, &wfork);
+
+ ev_loop(loop, 0);
+
+ assert (prepare_done);
+ assert (check_done);
+ assert (idle_done);
+ assert (timer_done);
+ assert (io_done);
+ assert (stat_done);
+ assert (child_done);
+ assert (signal_done);
+ assert (eio_done);
+
+ stdio.writefln("Unittesting done!");
+
+}
projects / software / ev.d.git / commitdiff