lib: add wpipc library

Simple library that uses sockets for inter-process communication. It provides an
API to create server and client objects. Users can add custom handlers in the
server, and clients can send requests for those custom handlers.

Signed-off-by: George Kiagiadakis <george.kiagiadakis@collabora.com>

1 files changed, 75 insertions, 0 deletions

diff --git a/lib/sender.h b/lib/sender.h
new file mode 100644
index 0000000..88aaf3a
--- /dev/null
+++ b/lib/sender.h
@@ -0,0 +1,75 @@
+/* PipeWire AGL Cluster IPC
+ *
+ * Copyright © 2021 Collabora Ltd.
+ *    @author Julian Bouzas <julian.bouzas@collabora.com>
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#ifndef __ICIPC_SENDER_H__
+#define __ICIPC_SENDER_H__
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <stddef.h>
+
+#include "defs.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct icipc_sender;
+
+typedef void (*icipc_sender_lost_conn_func_t) (struct icipc_sender *self,
+                                               int receiver_fd,
+                                               void *data);
+
+typedef void (*icipc_sender_reply_func_t) (struct icipc_sender *self,
+                                           const uint8_t *buffer,
+                                           size_t size,
+                                           void *data);
+
+ICIPC_API
+struct icipc_sender *
+icipc_sender_new (const char *path,
+                  size_t buffer_size,
+                  icipc_sender_lost_conn_func_t lost_func,
+                  void *lost_data,
+                  size_t user_size);
+
+ICIPC_API
+void
+icipc_sender_free (struct icipc_sender *self);
+
+ICIPC_API
+bool
+icipc_sender_connect (struct icipc_sender *self);
+
+ICIPC_API
+void
+icipc_sender_disconnect (struct icipc_sender *self);
+
+ICIPC_API
+bool
+icipc_sender_is_connected (struct icipc_sender *self);
+
+ICIPC_API
+bool
+icipc_sender_send (struct icipc_sender *self,
+                   const uint8_t *buffer,
+                   size_t size,
+                   icipc_sender_reply_func_t reply,
+                   void *data);
+
+/* for subclasses only */
+
+ICIPC_API
+void *
+icipc_sender_get_user_data (struct icipc_sender *self);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif