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selftests: net: refactor reuseport_addr_any test

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This patch refactors reuseport_add_any selftest a bit:
- makes it more modular (eliminates several copy/pasted blocks);
- skips DCCP tests if DCCP is not supported

V2: added "Signed-off-by" tag.

Signed-off-by: Peter Oskolkov <posk@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Peter Oskolkov 2018-12-19 10:20:09 -08:00 committed by David S. Miller
parent 9c7f37e5ca
commit 3f2eadb108
1 changed files with 37 additions and 82 deletions
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119
tools/testing/selftests/net/reuseport_addr_any.c
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@ -203,7 +203,9 @@ static void test(int *rcv_fds, int count, int family, int proto, int fd)
close(epfd);
}
int main(void)
static void run_one_test(int fam_send, int fam_rcv, int proto,
const char *addr_str)
{
/* Below we test that a socket listening on a specific address
* is always selected in preference over a socket listening
@ -214,95 +216,48 @@ int main(void)
*/
int rcv_fds[10], i;
fprintf(stderr, "---- UDP IPv4 ----\n");
build_rcv_fd(AF_INET, SOCK_DGRAM, rcv_fds, 2, NULL);
build_rcv_fd(AF_INET6, SOCK_DGRAM, rcv_fds + 2, 2, NULL);
build_rcv_fd(AF_INET, SOCK_DGRAM, rcv_fds + 4, 1, IP4_ADDR);
build_rcv_fd(AF_INET, SOCK_DGRAM, rcv_fds + 5, 2, NULL);
build_rcv_fd(AF_INET6, SOCK_DGRAM, rcv_fds + 7, 2, NULL);
test(rcv_fds, 9, AF_INET, SOCK_DGRAM, rcv_fds[4]);
build_rcv_fd(AF_INET, proto, rcv_fds, 2, NULL);
build_rcv_fd(AF_INET6, proto, rcv_fds + 2, 2, NULL);
build_rcv_fd(fam_rcv, proto, rcv_fds + 4, 1, addr_str);
build_rcv_fd(AF_INET, proto, rcv_fds + 5, 2, NULL);
build_rcv_fd(AF_INET6, proto, rcv_fds + 7, 2, NULL);
test(rcv_fds, 9, fam_send, proto, rcv_fds[4]);
for (i = 0; i < 9; ++i)
close(rcv_fds[i]);
fprintf(stderr, "pass\n");
}
fprintf(stderr, "---- UDP IPv6 ----\n");
build_rcv_fd(AF_INET, SOCK_DGRAM, rcv_fds, 2, NULL);
build_rcv_fd(AF_INET6, SOCK_DGRAM, rcv_fds + 2, 2, NULL);
build_rcv_fd(AF_INET6, SOCK_DGRAM, rcv_fds + 4, 1, IP6_ADDR);
build_rcv_fd(AF_INET, SOCK_DGRAM, rcv_fds + 5, 2, NULL);
build_rcv_fd(AF_INET6, SOCK_DGRAM, rcv_fds + 7, 2, NULL);
test(rcv_fds, 9, AF_INET6, SOCK_DGRAM, rcv_fds[4]);
for (i = 0; i < 9; ++i)
close(rcv_fds[i]);
static void test_proto(int proto, const char *proto_str)
{
if (proto == SOCK_DCCP) {
int test_fd;
fprintf(stderr, "---- UDP IPv4 mapped to IPv6 ----\n");
build_rcv_fd(AF_INET, SOCK_DGRAM, rcv_fds, 2, NULL);
build_rcv_fd(AF_INET6, SOCK_DGRAM, rcv_fds + 2, 2, NULL);
build_rcv_fd(AF_INET6, SOCK_DGRAM, rcv_fds + 4, 1, IP4_MAPPED6);
build_rcv_fd(AF_INET, SOCK_DGRAM, rcv_fds + 5, 2, NULL);
build_rcv_fd(AF_INET6, SOCK_DGRAM, rcv_fds + 7, 2, NULL);
test(rcv_fds, 9, AF_INET, SOCK_DGRAM, rcv_fds[4]);
for (i = 0; i < 9; ++i)
close(rcv_fds[i]);
test_fd = socket(AF_INET, proto, 0);
if (test_fd < 0) {
if (errno == ESOCKTNOSUPPORT) {
fprintf(stderr, "DCCP not supported: skipping DCCP tests\n");
return;
} else
error(1, errno, "failed to create a DCCP socket");
}
close(test_fd);
}
fprintf(stderr, "---- TCP IPv4 ----\n");
build_rcv_fd(AF_INET, SOCK_STREAM, rcv_fds, 2, NULL);
build_rcv_fd(AF_INET6, SOCK_STREAM, rcv_fds + 2, 2, NULL);
build_rcv_fd(AF_INET, SOCK_STREAM, rcv_fds + 4, 1, IP4_ADDR);
build_rcv_fd(AF_INET, SOCK_STREAM, rcv_fds + 5, 2, NULL);
build_rcv_fd(AF_INET6, SOCK_STREAM, rcv_fds + 7, 2, NULL);
test(rcv_fds, 9, AF_INET, SOCK_STREAM, rcv_fds[4]);
for (i = 0; i < 9; ++i)
close(rcv_fds[i]);
fprintf(stderr, "%s IPv4 ... ", proto_str);
run_one_test(AF_INET, AF_INET, proto, IP4_ADDR);
fprintf(stderr, "---- TCP IPv6 ----\n");
build_rcv_fd(AF_INET, SOCK_STREAM, rcv_fds, 2, NULL);
build_rcv_fd(AF_INET6, SOCK_STREAM, rcv_fds + 2, 2, NULL);
build_rcv_fd(AF_INET6, SOCK_STREAM, rcv_fds + 4, 1, IP6_ADDR);
build_rcv_fd(AF_INET, SOCK_STREAM, rcv_fds + 5, 2, NULL);
build_rcv_fd(AF_INET6, SOCK_STREAM, rcv_fds + 7, 2, NULL);
test(rcv_fds, 9, AF_INET6, SOCK_STREAM, rcv_fds[4]);
for (i = 0; i < 9; ++i)
close(rcv_fds[i]);
fprintf(stderr, "%s IPv6 ... ", proto_str);
run_one_test(AF_INET6, AF_INET6, proto, IP6_ADDR);
fprintf(stderr, "---- TCP IPv4 mapped to IPv6 ----\n");
build_rcv_fd(AF_INET, SOCK_STREAM, rcv_fds, 2, NULL);
build_rcv_fd(AF_INET6, SOCK_STREAM, rcv_fds + 2, 2, NULL);
build_rcv_fd(AF_INET6, SOCK_STREAM, rcv_fds + 4, 1, IP4_MAPPED6);
build_rcv_fd(AF_INET, SOCK_STREAM, rcv_fds + 5, 2, NULL);
build_rcv_fd(AF_INET6, SOCK_STREAM, rcv_fds + 7, 2, NULL);
test(rcv_fds, 9, AF_INET, SOCK_STREAM, rcv_fds[4]);
for (i = 0; i < 9; ++i)
close(rcv_fds[i]);
fprintf(stderr, "%s IPv4 mapped to IPv6 ... ", proto_str);
run_one_test(AF_INET, AF_INET6, proto, IP4_MAPPED6);
}
fprintf(stderr, "---- DCCP IPv4 ----\n");
build_rcv_fd(AF_INET, SOCK_DCCP, rcv_fds, 2, NULL);
build_rcv_fd(AF_INET6, SOCK_DCCP, rcv_fds + 2, 2, NULL);
build_rcv_fd(AF_INET, SOCK_DCCP, rcv_fds + 4, 1, IP4_ADDR);
build_rcv_fd(AF_INET, SOCK_DCCP, rcv_fds + 5, 2, NULL);
build_rcv_fd(AF_INET6, SOCK_DCCP, rcv_fds + 7, 2, NULL);
test(rcv_fds, 9, AF_INET, SOCK_DCCP, rcv_fds[4]);
for (i = 0; i < 9; ++i)
close(rcv_fds[i]);
fprintf(stderr, "---- DCCP IPv6 ----\n");
build_rcv_fd(AF_INET, SOCK_DCCP, rcv_fds, 2, NULL);
build_rcv_fd(AF_INET6, SOCK_DCCP, rcv_fds + 2, 2, NULL);
build_rcv_fd(AF_INET6, SOCK_DCCP, rcv_fds + 4, 1, IP6_ADDR);
build_rcv_fd(AF_INET, SOCK_DCCP, rcv_fds + 5, 2, NULL);
build_rcv_fd(AF_INET6, SOCK_DCCP, rcv_fds + 7, 2, NULL);
test(rcv_fds, 9, AF_INET6, SOCK_DCCP, rcv_fds[4]);
for (i = 0; i < 9; ++i)
close(rcv_fds[i]);
fprintf(stderr, "---- DCCP IPv4 mapped to IPv6 ----\n");
build_rcv_fd(AF_INET, SOCK_DCCP, rcv_fds, 2, NULL);
build_rcv_fd(AF_INET6, SOCK_DCCP, rcv_fds + 2, 2, NULL);
build_rcv_fd(AF_INET6, SOCK_DCCP, rcv_fds + 4, 1, IP4_MAPPED6);
build_rcv_fd(AF_INET, SOCK_DCCP, rcv_fds + 5, 2, NULL);
build_rcv_fd(AF_INET6, SOCK_DCCP, rcv_fds + 7, 2, NULL);
test(rcv_fds, 9, AF_INET, SOCK_DCCP, rcv_fds[4]);
for (i = 0; i < 9; ++i)
close(rcv_fds[i]);
int main(void)
{
test_proto(SOCK_DGRAM, "UDP");
test_proto(SOCK_STREAM, "TCP");
test_proto(SOCK_DCCP, "DCCP");
fprintf(stderr, "SUCCESS\n");
return 0;