main: Teach agl-compositor to load additional modules

Passing modules arguments to the compositor instance would be useful
when using the testing framework/harness because that way the test
itself can start-up. The idea here is that we would need to load-up a
testing plug-in (either one from weston) or one written specifically for
this.

Bug-AGL: SPEC-3888

Signed-off-by: Marius Vlad <marius.vlad@collabora.com>
Change-Id: Ia5e688901fe11b1ab10feb3f5e2631a0f31707be

1 files changed, 52 insertions, 0 deletions

diff --git a/src/main.c b/src/main.c
index 340d0e0..5605841 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1153,6 +1153,46 @@ load_backend(struct ivi_compositor *ivi, const char *backend,
 	return -1;
 }
 
+static int
+load_modules(struct ivi_compositor *ivi, const char *modules,
+	     int *argc, char *argv[], bool *xwayland)
+{
+	const char *p, *end;
+	char buffer[256];
+	int (*module_init)(struct weston_compositor *wc, int argc, char *argv[]);
+
+	if (modules == NULL)
+		return 0;
+
+	p = modules;
+	while (*p) {
+		end = strchrnul(p, ',');
+		snprintf(buffer, sizeof buffer, "%.*s", (int) (end - p), p);
+
+		if (strstr(buffer, "xwayland.so")) {
+			weston_log("Xwayland plug-in not supported!\n");
+			p = end;
+			while (*p == ',')
+				p++;
+			continue;
+		}
+
+		module_init = weston_load_module(buffer, "wet_module_init");
+		if (!module_init)
+			return -1;
+
+		if (module_init(ivi->compositor, *argc, argv) < 0)
+			return -1;
+
+		p = end;
+		while (*p == ',')
+			p++;
+	}
+
+	return 0;
+}
+
+
 static char *
 choose_default_backend(void)
 {
@@ -1512,6 +1552,8 @@ int main(int argc, char *argv[])
 	char *backend = NULL;
 	char *socket_name = NULL;
 	char *log = NULL;
+	char *modules = NULL;
+	char *option_modules = NULL;
 	int help = 0;
 	int version = 0;
 	int no_config = 0;
@@ -1520,6 +1562,7 @@ int main(int argc, char *argv[])
 	struct weston_log_context *log_ctx = NULL;
 	struct weston_log_subscriber *logger;
 	int ret = EXIT_FAILURE;
+	bool xwayland = false;
 
 	const struct weston_option core_options[] = {
 		{ WESTON_OPTION_STRING, "backend", 'B', &backend },
@@ -1530,6 +1573,7 @@ int main(int argc, char *argv[])
 		{ WESTON_OPTION_BOOLEAN, "no-config", 0, &no_config },
 		{ WESTON_OPTION_BOOLEAN, "debug", 0, &debug },
 		{ WESTON_OPTION_STRING, "config", 'c', &config_file },
+		{ WESTON_OPTION_STRING, "modules", 0, &option_modules },
 	};
 
 	wl_list_init(&ivi.outputs);
@@ -1625,6 +1669,14 @@ int main(int argc, char *argv[])
 
 	ivi_seat_init(&ivi);
 
+	/* load additional modules */
+	weston_config_section_get_string(section, "modules", &modules, "");
+	if (load_modules(&ivi, modules, &argc, argv, &xwayland) < 0)
+		goto error_compositor;
+
+	if (load_modules(&ivi, option_modules, &argc, argv, &xwayland) < 0)
+		goto error_compositor;
+
 	if (ivi_policy_init(&ivi) < 0)
 		goto error_compositor;