ustcomm: use connections; don't reconnect at every message

[ust.git] / libustcomm / ustcomm.h

diff --git a/libustcomm/ustcomm.h b/libustcomm/ustcomm.h
index 53ced5140c962d604fc50992350db50dda48ba6b..7d22694cd6e47378360d3f422cb7cd6b5c207d74 100644 (file)
--- a/libustcomm/ustcomm.h
+++ b/libustcomm/ustcomm.h
@@ -4,26 +4,42 @@
 #include <sys/types.h>
 #include <sys/un.h>
 
-struct ustcomm_app {
-       /* the "server" socket for serving the external requests */
+#include "kcompat.h"
+
+struct ustcomm_connection {
+       struct list_head list;
        int fd;
-       char *socketpath;
 };
 
-struct ustcomm_ustd {
+/* ustcomm_server must be shallow-copyable */
+struct ustcomm_server {
        /* the "server" socket for serving the external requests */
-       int fd;
+       int listen_fd;
        char *socketpath;
+
+       struct list_head connections;
 };
 
+struct ustcomm_ustd {
+       struct ustcomm_server server;
+};
+
+struct ustcomm_app {
+       struct ustcomm_server server;
+};
+
+/* ustcomm_source must be shallow-copyable */
 struct ustcomm_source {
-       struct sockaddr_un addr;
+       int fd;
+       void *priv;
 };
 
-int send_message(pid_t pid, const char *msg, char **reply);
+char *strdup_malloc(const char *s);
+
+int send_message_pid(pid_t pid, const char *msg, char **reply);
 
-int ustcomm_ustd_recv_message(struct ustcomm_ustd *ustd, char **msg, struct ustcomm_source *src);
-int ustcomm_app_recv_message(struct ustcomm_app *app, char **msg, struct ustcomm_source *src);
+int ustcomm_ustd_recv_message(struct ustcomm_ustd *ustd, char **msg, struct ustcomm_source *src, int timeout);
+int ustcomm_app_recv_message(struct ustcomm_app *app, char **msg, struct ustcomm_source *src, int timeout);
 
 int ustcomm_init_app(pid_t pid, struct ustcomm_app *handle);