diff options
Diffstat (limited to 'src/libhydra/kernel/kernel_net.h')
| -rw-r--r-- | src/libhydra/kernel/kernel_net.h | 43 |
1 files changed, 33 insertions, 10 deletions
diff --git a/src/libhydra/kernel/kernel_net.h b/src/libhydra/kernel/kernel_net.h index a89e76804..10350d644 100644 --- a/src/libhydra/kernel/kernel_net.h +++ b/src/libhydra/kernel/kernel_net.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2008 Tobias Brunner + * Copyright (C) 2008-2012 Tobias Brunner * Copyright (C) 2007 Martin Willi * Hochschule fuer Technik Rapperswil * @@ -23,12 +23,31 @@ #define KERNEL_NET_H_ typedef struct kernel_net_t kernel_net_t; +typedef enum kernel_address_type_t kernel_address_type_t; #include <utils/enumerator.h> #include <utils/host.h> #include <plugins/plugin.h> /** + * Type of addresses (e.g. when enumerating them) + */ +enum kernel_address_type_t { + /** normal addresses (on regular, up, non-ignored) interfaces */ + ADDR_TYPE_REGULAR = 0, + /** addresses on down interfaces */ + ADDR_TYPE_DOWN = (1 << 0), + /** addresses on ignored interfaces */ + ADDR_TYPE_IGNORED = (1 << 1), + /** addresses on loopback interfaces */ + ADDR_TYPE_LOOPBACK = (1 << 2), + /** virtual IP addresses */ + ADDR_TYPE_VIRTUAL = (1 << 3), + /** to enumerate all available addresses */ + ADDR_TYPE_ALL = (1 << 4) - 1, +}; + +/** * Interface to the network subsystem of the kernel. * * The kernel network interface handles the communication with the kernel @@ -42,7 +61,7 @@ struct kernel_net_t { * Does a route lookup to get the source address used to reach dest. * The returned host is allocated and must be destroyed. * An optional src address can be used to check if a route is available - * for given source to dest. + * for the given source to dest. * * @param dest target destination address * @param src source address to check, or NULL @@ -55,19 +74,24 @@ struct kernel_net_t { * * Does a route lookup to get the next hop used to reach dest. * The returned host is allocated and must be destroyed. + * An optional src address can be used to check if a route is available + * for the given source to dest. * * @param dest target destination address + * @param src source address to check, or NULL * @return next hop address, NULL if unreachable */ - host_t* (*get_nexthop)(kernel_net_t *this, host_t *dest); + host_t* (*get_nexthop)(kernel_net_t *this, host_t *dest, host_t *src); /** - * Get the interface name of a local address. + * Get the interface name of a local address. Interfaces that are down or + * ignored by config are not considered. * * @param host address to get interface name from - * @return allocated interface name, or NULL if not found + * @param name allocated interface name (optional) + * @return TRUE if interface found and usable */ - char* (*get_interface) (kernel_net_t *this, host_t *host); + bool (*get_interface) (kernel_net_t *this, host_t *host, char **name); /** * Creates an enumerator over all local addresses. @@ -76,12 +100,11 @@ struct kernel_net_t { * enumerator gets destroyed. * The hosts are read-only, do not modify of free. * - * @param include_down_ifaces TRUE to enumerate addresses from down interfaces - * @param include_virtual_ips TRUE to enumerate virtual ip addresses - * @return enumerator over host_t's + * @param which a combination of address types to enumerate + * @return enumerator over host_t's */ enumerator_t *(*create_address_enumerator) (kernel_net_t *this, - bool include_down_ifaces, bool include_virtual_ips); + kernel_address_type_t which); /** * Add a virtual IP to an interface. |