1 files changed, 46 insertions, 0 deletions
diff --git a/src/ipc/ipc-connection.h b/src/ipc/ipc-connection.h
new file mode 100644
index 0000000..d848f81
--- /dev/null
+++ b/src/ipc/ipc-connection.h
@@ -0,0 +1,46 @@
+#ifndef IPC_CONNECTION_H
+#define IPC_CONNECTION_H
+
+#include "ipc-group.h"
+
+struct ipc_connection_cmd {
+	unsigned int tag;
+	struct ipc_connection *conn;
+
+	ipc_cmd_callback_t *callback;
+	void *context;
+};
+
+struct ipc_connection {
+	struct ipc_group *group;
+	/* prev/next within group */
+	struct ipc_connection *prev, *next;
+
+	unsigned int id;
+	pid_t pid;
+
+	int fd;
+	struct io *io;
+	struct istream *input;
+	struct ostream *output;
+
+	unsigned int cmd_tag_counter;
+
+	/* running commands */
+	ARRAY(struct ipc_connection_cmd *) cmds;
+
+	bool version_received:1;
+	bool handshake_received:1;
+};
+
+struct ipc_connection *ipc_connection_create(int listen_fd, int fd);
+void ipc_connection_destroy(struct ipc_connection **conn,
+			    bool log_error, const char *error);
+
+struct ipc_connection *
+ipc_connection_lookup_id(struct ipc_group *group, unsigned int id);
+
+void ipc_connection_cmd(struct ipc_connection *conn, const char *cmd,
+			ipc_cmd_callback_t *callback, void *context);
+
+#endif