[PATCH v3 5/6] Do not use a mix of g_mail_loop and basic_loop in replay

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Utility was not working due to strange mixing of these two loops

Signed-off-by: Frediano Ziglio <fziglio@xxxxxxxxxx>
---
 server/tests/replay.c | 104 +++++++++++++++++++++++---------------------------
 1 file changed, 47 insertions(+), 57 deletions(-)

diff --git a/server/tests/replay.c b/server/tests/replay.c
index 01590c0..b55f19a 100644
--- a/server/tests/replay.c
+++ b/server/tests/replay.c
@@ -12,6 +12,7 @@
 #include <sys/wait.h>
 #include <fcntl.h>
 #include <glib.h>
+#include <glib-unix.h>
 
 #include <spice/macros.h>
 #include "red_replay_qxl.h"
@@ -26,12 +27,9 @@ static gboolean started = FALSE;
 static QXLInstance display_sin = { 0, };
 static gint slow = 0;
 static pid_t client_pid;
-static GMainLoop *loop = NULL;
 static GAsyncQueue *aqueue = NULL;
 static long total_size;
-
-static GMutex mutex;
-static guint fill_source_id = 0;
+static int close_pipe = -1;
 
 
 #define MEM_SLOT_GROUP_ID 0
@@ -83,48 +81,37 @@ static void get_init_info(QXLInstance *qin, QXLDevInitInfo *info)
     info->n_surfaces = MAX_SURFACE_NUM;
 }
 
-static gboolean fill_queue_idle(gpointer user_data)
-{
-    gboolean keep = FALSE;
-
-    while (g_async_queue_length(aqueue) < 50) {
-        QXLCommandExt *cmd = spice_replay_next_cmd(replay, qxl_worker);
-        if (!cmd) {
-            g_async_queue_push(aqueue, GINT_TO_POINTER(-1));
-            goto end;
-        }
-
-        if (slow)
-            g_usleep(slow);
-
-        g_async_queue_push(aqueue, cmd);
-    }
 
-end:
-    if (!keep) {
-        g_mutex_lock(&mutex);
-        fill_source_id = 0;
-        g_mutex_unlock(&mutex);
-    }
-    spice_qxl_wakeup(&display_sin);
-
-    return keep;
-}
-
-static void fill_queue(void)
+static gboolean fill_command(void)
 {
-    g_mutex_lock(&mutex);
+    QXLCommandExt *cmd = spice_replay_next_cmd(replay, qxl_worker);
 
-    if (!started)
-        goto end;
+    g_async_queue_push(aqueue, cmd ? cmd : GINT_TO_POINTER(-1));
 
-    if (fill_source_id != 0)
-        goto end;
+    return cmd ? TRUE : FALSE;
+}
 
-    fill_source_id = g_idle_add(fill_queue_idle, NULL);
 
-end:
-    g_mutex_unlock(&mutex);
+static void fill_queue_slow(void *opaque)
+{
+    if (slow) {
+        if (fill_command()) {
+            SpiceTimer *timer = core->timer_add(fill_queue_slow, NULL);
+            core->timer_start(timer, slow);
+        }
+        spice_qxl_wakeup(&display_sin);
+    } else {
+        gboolean got_some = FALSE;
+        while (g_async_queue_length(aqueue) < 50) {
+            if (!fill_command())
+                return;
+            got_some = TRUE;
+        }
+        SpiceTimer *timer = core->timer_add(fill_queue_slow, NULL);
+        core->timer_start(timer, 1);
+        if (got_some)
+            spice_qxl_wakeup(&display_sin);
+    }
 }
 
 
@@ -133,15 +120,12 @@ static int get_command(QXLInstance *qin, QXLCommandExt *ext)
 {
     QXLCommandExt *cmd;
 
-    if (g_async_queue_length(aqueue) == 0) {
-        /* could use a gcondition ? */
-        fill_queue();
+    cmd = g_async_queue_try_pop(aqueue);
+    if (!cmd)
         return FALSE;
-    }
 
-    cmd = g_async_queue_try_pop(aqueue);
     if (GPOINTER_TO_INT(cmd) == -1) {
-        g_main_loop_quit(loop);
+        write(close_pipe, "bye", 3);
         return FALSE;
     }
 
@@ -155,8 +139,8 @@ static int req_cmd_notification(QXLInstance *qin)
     if (!started)
         return TRUE;
 
-    g_printerr("id: %d, queue length: %d",
-                   fill_source_id, g_async_queue_length(aqueue));
+    g_printerr("queue length: %d",
+                   g_async_queue_length(aqueue));
 
     return TRUE;
 }
@@ -257,6 +241,11 @@ static gboolean progress_timer(gpointer user_data)
     return TRUE;
 }
 
+static void close_pipe_read(int fd, int event, void *opaque)
+{
+    end_replay();
+}
+
 int main(int argc, char **argv)
 {
     GError *error = NULL;
@@ -265,6 +254,7 @@ int main(int argc, char **argv)
     gint port = 5000, compression = SPICE_IMAGE_COMPRESSION_AUTO_GLZ;
     gboolean wait = FALSE;
     FILE *fd;
+    gint pipe[2];
 
     GOptionEntry entries[] = {
         { "client", 'c', 0, G_OPTION_ARG_STRING, &client, "Client", "CMD" },
@@ -311,6 +301,13 @@ int main(int argc, char **argv)
     core = basic_event_loop_init();
     core->channel_event = replay_channel_event;
 
+    if (!g_unix_open_pipe(pipe, FD_CLOEXEC, &error)) {
+        g_printerr("Error creating pipe: %s\n", error->message);
+        exit(1);
+    }
+    close_pipe = pipe[1];
+    core->watch_add(pipe[0], SPICE_WATCH_EVENT_READ, close_pipe_read, NULL);
+
     server = spice_server_new();
     spice_server_set_image_compression(server, compression);
     spice_server_set_port(server, port);
@@ -329,18 +326,11 @@ int main(int argc, char **argv)
 
     if (!wait) {
         started = TRUE;
-        fill_queue();
     }
 
-    loop = g_main_loop_new(NULL, FALSE);
-    g_main_loop_run(loop);
-
-    end_replay();
-    g_async_queue_unref(aqueue);
+    fill_queue_slow(NULL);
 
-    /* FIXME: there should be a way to join server threads before:
-     * g_main_loop_unref(loop);
-     */
+    basic_event_loop_mainloop();
 
     return 0;
 }
-- 
2.4.3

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