From bbdf06d9f242e2c5a699c3c5820bf6e09e8d174d Mon Sep 17 00:00:00 2001 From: Patrik Flykt Date: Mon, 9 Dec 2013 23:43:23 +0200 Subject: [PATCH] dhcp: Add function to stop the DHCP client The client is stopped and brought back to its initial state. --- src/libsystemd-dhcp/dhcp-client.c | 32 ++++++++++++++++++++++++++++++++ src/systemd/sd-dhcp-client.h | 1 + 2 files changed, 33 insertions(+) diff --git a/src/libsystemd-dhcp/dhcp-client.c b/src/libsystemd-dhcp/dhcp-client.c index 181c6f8..bd28824 100644 --- a/src/libsystemd-dhcp/dhcp-client.c +++ b/src/libsystemd-dhcp/dhcp-client.c @@ -119,6 +119,33 @@ int sd_dhcp_client_set_mac(sd_dhcp_client *client, return 0; } +static int client_stop(sd_dhcp_client *client, int error) +{ + assert_return(client, -EINVAL); + assert_return(client->state != DHCP_STATE_INIT && + client->state != DHCP_STATE_INIT_REBOOT, -EALREADY); + + switch (client->state) { + + case DHCP_STATE_INIT: + case DHCP_STATE_SELECTING: + + client->state = DHCP_STATE_INIT; + break; + + case DHCP_STATE_INIT_REBOOT: + case DHCP_STATE_REBOOTING: + case DHCP_STATE_REQUESTING: + case DHCP_STATE_BOUND: + case DHCP_STATE_RENEWING: + case DHCP_STATE_REBINDING: + + break; + } + + return 0; +} + static int client_packet_init(sd_dhcp_client *client, uint8_t type, DHCPMessage *message, uint16_t secs, uint8_t **opt, size_t *optlen) @@ -263,6 +290,11 @@ int sd_dhcp_client_start(sd_dhcp_client *client) return client_send_discover(client, 0); } +int sd_dhcp_client_stop(sd_dhcp_client *client) +{ + return client_stop(client, 0); +} + sd_dhcp_client *sd_dhcp_client_new(void) { sd_dhcp_client *client; diff --git a/src/systemd/sd-dhcp-client.h b/src/systemd/sd-dhcp-client.h index acfa3fa..2d2fdff 100644 --- a/src/systemd/sd-dhcp-client.h +++ b/src/systemd/sd-dhcp-client.h @@ -34,6 +34,7 @@ int sd_dhcp_client_set_index(sd_dhcp_client *client, int interface_index); int sd_dhcp_client_set_mac(sd_dhcp_client *client, const struct ether_addr *addr); +int sd_dhcp_client_stop(sd_dhcp_client *client); int sd_dhcp_client_start(sd_dhcp_client *client); sd_dhcp_client *sd_dhcp_client_new(void); -- 2.7.4