1 files changed, 50 insertions, 0 deletions
diff --git a/src/libsystemd-network/dhcp-client-internal.h b/src/libsystemd-network/dhcp-client-internal.h
new file mode 100644
index 0000000..28ce80c
--- /dev/null
+++ b/src/libsystemd-network/dhcp-client-internal.h
@@ -0,0 +1,50 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include <errno.h>
+
+#include "sd-dhcp-client.h"
+
+#include "macro.h"
+#include "network-common.h"
+
+typedef enum DHCPState {
+        DHCP_STATE_STOPPED,
+        DHCP_STATE_INIT,
+        DHCP_STATE_SELECTING,
+        DHCP_STATE_INIT_REBOOT,
+        DHCP_STATE_REBOOTING,
+        DHCP_STATE_REQUESTING,
+        DHCP_STATE_BOUND,
+        DHCP_STATE_RENEWING,
+        DHCP_STATE_REBINDING,
+        _DHCP_STATE_MAX,
+        _DHCP_STATE_INVALID                     = -EINVAL,
+} DHCPState;
+
+const char *dhcp_state_to_string(DHCPState s) _const_;
+
+typedef struct sd_dhcp_client sd_dhcp_client;
+
+int dhcp_client_set_state_callback(
+                sd_dhcp_client *client,
+                sd_dhcp_client_callback_t cb,
+                void *userdata);
+int dhcp_client_get_state(sd_dhcp_client *client);
+
+/* If we are invoking callbacks of a dhcp-client, ensure unreffing the
+ * client from the callback doesn't destroy the object we are working
+ * on */
+#define DHCP_CLIENT_DONT_DESTROY(client) \
+        _cleanup_(sd_dhcp_client_unrefp) _unused_ sd_dhcp_client *_dont_destroy_##client = sd_dhcp_client_ref(client)
+
+#define log_dhcp_client_errno(client, error, fmt, ...)          \
+        log_interface_prefix_full_errno(                        \
+                "DHCPv4 client: ",                              \
+                sd_dhcp_client, client,                         \
+                error, fmt, ##__VA_ARGS__)
+#define log_dhcp_client(client, fmt, ...)                       \
+        log_interface_prefix_full_errno_zerook(                 \
+                "DHCPv4 client: ",                              \
+                sd_dhcp_client, client,                         \
+                0, fmt, ##__VA_ARGS__)