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authorPatrik Flykt <patrik.flykt@linux.intel.com>2014-02-18 16:07:39 +0200
committerTom Gundersen <teg@jklm.no>2014-02-18 15:23:19 +0100
commit6c8a0f07f21fd32e840ef00f89dd226418f5f8a0 (patch)
treebee969bbd052429fdce8dd8a0ec947708c508e8b /src
parentede286f9d433fbf3fa46794ae8d906697a5b303d (diff)
libsystemd-dhcp: Factor out test code for DHCP message verification
Add a callback function that will handle the test case specific checking.
Diffstat (limited to 'src')
-rw-r--r--src/libsystemd-dhcp/test-dhcp-client.c38
1 files changed, 31 insertions, 7 deletions
diff --git a/src/libsystemd-dhcp/test-dhcp-client.c b/src/libsystemd-dhcp/test-dhcp-client.c
index 32c79ebb68..e06f581044 100644
--- a/src/libsystemd-dhcp/test-dhcp-client.c
+++ b/src/libsystemd-dhcp/test-dhcp-client.c
@@ -38,8 +38,11 @@ static struct ether_addr mac_addr = {
.ether_addr_octet = {'A', 'B', 'C', '1', '2', '3'}
};
+typedef int (*test_callback_recv_t)(size_t size, DHCPMessage *dhcp);
+
static bool verbose = false;
static int test_fd[2];
+static test_callback_recv_t callback_recv;
static void test_request_basic(sd_event *e)
{
@@ -148,7 +151,6 @@ int dhcp_network_send_raw_socket(int s, const union sockaddr_union *link,
size_t size;
_cleanup_free_ DHCPPacket *discover;
uint16_t ip_check, udp_check;
- int res;
assert(s >= 0);
assert(packet);
@@ -158,8 +160,6 @@ int dhcp_network_send_raw_socket(int s, const union sockaddr_union *link,
discover = memdup(packet, len);
- assert(memcmp(discover->dhcp.chaddr,
- &mac_addr.ether_addr_octet, 6) == 0);
assert(discover->ip.ttl == IPDEFTTL);
assert(discover->ip.protocol == IPPROTO_UDP);
assert(discover->ip.saddr == INADDR_ANY);
@@ -181,11 +181,14 @@ int dhcp_network_send_raw_socket(int s, const union sockaddr_union *link,
ip_check = ~client_checksum(&discover->ip, sizeof(discover->ip));
assert(ip_check == 0xffff);
+ assert(discover->dhcp.xid);
+ assert(memcmp(discover->dhcp.chaddr,
+ &mac_addr.ether_addr_octet, 6) == 0);
+
size = len - sizeof(struct iphdr) - sizeof(struct udphdr);
- res = dhcp_option_parse(&discover->dhcp, size, check_options, NULL);
- if (res < 0)
- return res;
+ assert(callback_recv);
+ callback_recv(size, &discover->dhcp);
return 575;
}
@@ -209,6 +212,19 @@ int dhcp_network_send_udp_socket(int s, be32_t address, uint16_t port,
return 0;
}
+static int test_discover_message_verify(size_t size, struct DHCPMessage *dhcp)
+{
+ int res;
+
+ res = dhcp_option_parse(dhcp, size, check_options, NULL);
+ assert(res == DHCP_DISCOVER);
+
+ if (verbose)
+ printf(" recv DHCP Discover 0x%08x\n", be32toh(dhcp->xid));
+
+ return 0;
+}
+
static void test_discover_message(sd_event *e)
{
sd_dhcp_client *client;
@@ -229,12 +245,21 @@ static void test_discover_message(sd_event *e)
assert(sd_dhcp_client_set_request_option(client, 248) >= 0);
+ callback_recv = test_discover_message_verify;
+
res = sd_dhcp_client_start(client);
assert(res == 0 || res == -EINPROGRESS);
+ sd_event_run(e, (uint64_t) -1);
+
+ sd_dhcp_client_stop(client);
+ sd_dhcp_client_free(client);
+
close(test_fd[0]);
close(test_fd[1]);
+
+ callback_recv = NULL;
}
int main(int argc, char *argv[])
@@ -247,7 +272,6 @@ int main(int argc, char *argv[])
test_checksum();
test_discover_message(e);
- sd_event_run(e, (uint64_t) -1);
return 0;
}