X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fsystemd%2Fsd-network.h;h=0eaefdc7b181b35967c88ae8e3dbd65ff4404c04;hp=984527f240ab0450bb76c0e34b86fb59529cd941;hb=0014a4ad505d119c7ac4346d9d774c3f17f663a5;hpb=82bdf8ce36ccfe1b6ff389a9c9c7e2b2d049a43d diff --git a/src/systemd/sd-network.h b/src/systemd/sd-network.h index 984527f24..0eaefdc7b 100644 --- a/src/systemd/sd-network.h +++ b/src/systemd/sd-network.h @@ -37,35 +37,76 @@ * may return NULL. * * Free the data the library returns with libc free(). String arrays - * are NULL terminated and you need to free the array itself in + * are NULL terminated, and you need to free the array itself in * addition to the strings contained. * - * We return error codes as negative errno, kernel-style. 0 or - * positive on success. + * We return error codes as negative errno, kernel-style. On success, we + * return 0 or positive. * - * These functions access data in /run. This is a virtual file systems, - * hence the accesses is relatively cheap. + * These functions access data in /run. This is a virtual file system; + * therefore, accesses are relatively cheap. * * See sd-network(3) for more information. */ _SD_BEGIN_DECLARATIONS; -/* Get state from ifindex. Possible states: unknown, unmanaged, failed, configuring, configured */ -int sd_network_get_link_state(unsigned index, char**state); +/* Get state from ifindex. + * Possible states: failed, configuring, configured + * Possible return codes: + * -ENODATA: networkd is not aware of the link + * -EUNATCH: networkd is not managing this link + * -EBUSY: udev is still processing the link, networkd does not yet know if it will manage it + */ +int sd_network_get_link_state(unsigned index, char **state); + +/* Get operatinal state from ifindex. + * Possible states: unknown, dormant, carrier, degraded, routable + * Possible return codes: + * -ENODATA: networkd is not aware of the link + */ +int sd_network_get_link_operational_state(unsigned index, char **state); + +/* Get overall opeartional state + * Possible states: unknown, dormant, carrier, degraded, routable + * Possible return codes: + * -ENODATA: networkd is not aware of any links + */ +int sd_network_get_operational_state(char **state); + +/* Returns true if link exists and is loopback, and false otherwise */ +int sd_network_link_is_loopback(unsigned index); /* Get DHCPv4 lease from ifindex. */ int sd_network_get_dhcp_lease(unsigned index, sd_dhcp_lease **ret); -/* Get all network interfaces indices, store in *indices. Returns the - * number of indices. If indices is NULL only returns the number of indices. */ +/* Returns true if link is configured to respect DNS entries received by DHCP */ +int sd_network_dhcp_use_dns(unsigned index); + +/* Returns true if link is configured to respect NTP entries received by DHCP */ +int sd_network_dhcp_use_ntp(unsigned index); + +/* Get IPv4 DNS entries statically configured for the link */ +int sd_network_get_dns(unsigned index, struct in_addr **addr, size_t *addr_size); + +/* Get IPv4 NTP entries statically configured for the link */ +int sd_network_get_ntp(unsigned index, struct in_addr **addr, size_t *addr_size); + +/* Get IPv6 DNS entries statically configured for the link */ +int sd_network_get_dns6(unsigned index, struct in6_addr **addr, size_t *addr_size); + +/* Get IPv6 NTP entries statically configured for the link */ +int sd_network_get_ntp6(unsigned index, struct in6_addr **addr, size_t *addr_size); + +/* Get all network interfaces' indices, and store them in *indices. Returns + * the number of indices. If indices is NULL, only returns the number of indices. */ int sd_network_get_ifindices(unsigned **indices); /* Monitor object */ typedef struct sd_network_monitor sd_network_monitor; -/* Create a new monitor. Category must be NULL. */ -int sd_network_monitor_new(const char *category, sd_network_monitor** ret); +/* Create a new monitor. Category must be NULL, "links" or "leases". */ +int sd_network_monitor_new(sd_network_monitor **ret, const char *category); /* Destroys the passed monitor. Returns NULL. */ sd_network_monitor* sd_network_monitor_unref(sd_network_monitor *m);