From e7504d95479455be5cef120fc8e0a48fd74ad5ca Mon Sep 17 00:00:00 2001 From: Patrik Flykt Date: Tue, 20 Jan 2015 19:35:56 +0200 Subject: [PATCH] sd-dhcp6-lease: Revise address iteration functions Revise the address iteration functions so that one helper function resets the iterator to the start of the address list while the second one fetches addresses one by one. The test case is also updated. --- src/libsystemd-network/sd-dhcp6-lease.c | 26 +++---------- src/libsystemd-network/test-dhcp6-client.c | 45 +++++++++++----------- src/systemd/sd-dhcp6-lease.h | 13 +++---- 3 files changed, 34 insertions(+), 50 deletions(-) diff --git a/src/libsystemd-network/sd-dhcp6-lease.c b/src/libsystemd-network/sd-dhcp6-lease.c index 78e158928..2442269a3 100644 --- a/src/libsystemd-network/sd-dhcp6-lease.c +++ b/src/libsystemd-network/sd-dhcp6-lease.c @@ -146,10 +146,9 @@ int dhcp6_lease_get_iaid(sd_dhcp6_lease *lease, be32_t *iaid) { return 0; } -int sd_dhcp6_lease_get_next_address(sd_dhcp6_lease *lease, - struct in6_addr *addr, - uint32_t *lifetime_preferred, - uint32_t *lifetime_valid) { +int sd_dhcp6_lease_get_address(sd_dhcp6_lease *lease, struct in6_addr *addr, + uint32_t *lifetime_preferred, + uint32_t *lifetime_valid) { assert_return(lease, -EINVAL); assert_return(addr, -EINVAL); assert_return(lifetime_preferred, -EINVAL); @@ -169,22 +168,9 @@ int sd_dhcp6_lease_get_next_address(sd_dhcp6_lease *lease, return 0; } -int sd_dhcp6_lease_get_first_address(sd_dhcp6_lease *lease, - struct in6_addr *addr, - uint32_t *lifetime_preferred, - uint32_t *lifetime_valid) { - assert_return(lease, -EINVAL); - assert_return(addr, -EINVAL); - assert_return(lifetime_preferred, -EINVAL); - assert_return(lifetime_valid, -EINVAL); - - if (!lease->ia.addresses) - return -ENOMSG; - - lease->addr_iter = lease->ia.addresses; - - return sd_dhcp6_lease_get_next_address(lease, addr, lifetime_preferred, - lifetime_valid); +void sd_dhcp6_lease_reset_address_iter(sd_dhcp6_lease *lease) { + if (lease) + lease->addr_iter = lease->ia.addresses; } sd_dhcp6_lease *sd_dhcp6_lease_ref(sd_dhcp6_lease *lease) { diff --git a/src/libsystemd-network/test-dhcp6-client.c b/src/libsystemd-network/test-dhcp6-client.c index 75908391f..9386f31ce 100644 --- a/src/libsystemd-network/test-dhcp6-client.c +++ b/src/libsystemd-network/test-dhcp6-client.c @@ -286,26 +286,27 @@ static int test_advertise_option(sd_event *e) { assert_se(opt_clientid); - assert_se(sd_dhcp6_lease_get_first_address(lease, &addr, <_pref, - <_valid) >= 0); + sd_dhcp6_lease_reset_address_iter(lease); + assert_se(sd_dhcp6_lease_get_address(lease, &addr, <_pref, + <_valid) >= 0); assert_se(!memcmp(&addr, &msg_advertise[42], sizeof(addr))); assert_se(lt_pref == 150); assert_se(lt_valid == 180); - assert_se(sd_dhcp6_lease_get_next_address(lease, &addr, <_pref, - <_valid) == -ENOMSG); + assert_se(sd_dhcp6_lease_get_address(lease, &addr, <_pref, + <_valid) == -ENOMSG); - assert_se(sd_dhcp6_lease_get_first_address(lease, &addr, <_pref, - <_valid) >= 0); + sd_dhcp6_lease_reset_address_iter(lease); + assert_se(sd_dhcp6_lease_get_address(lease, &addr, <_pref, + <_valid) >= 0); assert_se(!memcmp(&addr, &msg_advertise[42], sizeof(addr))); - assert_se(sd_dhcp6_lease_get_next_address(lease, &addr, <_pref, - <_valid) == -ENOMSG); - assert_se(sd_dhcp6_lease_get_next_address(lease, &addr, <_pref, - <_valid) == -ENOMSG); - assert_se(sd_dhcp6_lease_get_first_address(lease, &addr, <_pref, - <_valid) >= 0); + assert_se(sd_dhcp6_lease_get_address(lease, &addr, <_pref, + <_valid) == -ENOMSG); + sd_dhcp6_lease_reset_address_iter(lease); + assert_se(sd_dhcp6_lease_get_address(lease, &addr, <_pref, + <_valid) >= 0); assert_se(!memcmp(&addr, &msg_advertise[42], sizeof(addr))); - assert_se(sd_dhcp6_lease_get_next_address(lease, &addr, <_pref, - <_valid) == -ENOMSG); + assert_se(sd_dhcp6_lease_get_address(lease, &addr, <_pref, + <_valid) == -ENOMSG); assert_se(dhcp6_lease_get_serverid(lease, &opt, &len) >= 0); assert_se(len == 14); @@ -439,14 +440,15 @@ static int test_client_verify_request(DHCP6Message *request, uint8_t *option, assert_se(found_clientid && found_iana && found_serverid && found_elapsed_time); - assert_se(sd_dhcp6_lease_get_first_address(lease, &addr, <_pref, - <_valid) >= 0); + sd_dhcp6_lease_reset_address_iter(lease); + assert_se(sd_dhcp6_lease_get_address(lease, &addr, <_pref, + <_valid) >= 0); assert_se(!memcmp(&addr, &msg_advertise[42], sizeof(addr))); assert_se(lt_pref == 150); assert_se(lt_valid == 180); - assert_se(sd_dhcp6_lease_get_next_address(lease, &addr, <_pref, - <_valid) == -ENOMSG); + assert_se(sd_dhcp6_lease_get_address(lease, &addr, <_pref, + <_valid) == -ENOMSG); return 0; } @@ -587,11 +589,10 @@ static int test_client_verify_information_request(DHCP6Message *information_requ assert_se(r == -ENOMSG); assert_se(found_clientid && found_elapsed_time); - assert_se(sd_dhcp6_lease_get_first_address(lease, &addr, <_pref, - <_valid) == -ENOMSG); + sd_dhcp6_lease_reset_address_iter(lease); - assert_se(sd_dhcp6_lease_get_next_address(lease, &addr, <_pref, - <_valid) == -ENOMSG); + assert_se(sd_dhcp6_lease_get_address(lease, &addr, <_pref, + <_valid) == -ENOMSG); return 0; } diff --git a/src/systemd/sd-dhcp6-lease.h b/src/systemd/sd-dhcp6-lease.h index 1126f1ac2..716d7678f 100644 --- a/src/systemd/sd-dhcp6-lease.h +++ b/src/systemd/sd-dhcp6-lease.h @@ -27,14 +27,11 @@ typedef struct sd_dhcp6_lease sd_dhcp6_lease; -int sd_dhcp6_lease_get_first_address(sd_dhcp6_lease *lease, - struct in6_addr *addr, - uint32_t *lifetime_preferred, - uint32_t *lifetime_valid); -int sd_dhcp6_lease_get_next_address(sd_dhcp6_lease *lease, - struct in6_addr *addr, - uint32_t *lifetime_preferred, - uint32_t *lifetime_valid); +void sd_dhcp6_lease_reset_address_iter(sd_dhcp6_lease *lease); +int sd_dhcp6_lease_get_address(sd_dhcp6_lease *lease, + struct in6_addr *addr, + uint32_t *lifetime_preferred, + uint32_t *lifetime_valid); sd_dhcp6_lease *sd_dhcp6_lease_ref(sd_dhcp6_lease *lease); sd_dhcp6_lease *sd_dhcp6_lease_unref(sd_dhcp6_lease *lease); -- 2.30.2