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3-1- C2

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This commit is contained in:
Manoj Ampalam 2016-03-01 15:21:19 -08:00
parent 4500099f37
commit 8b98efe6e5
1 changed files with 104 additions and 1 deletions
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105
contrib/win32/w32-posix-prototype/win32posix/UnitTests/socket_tests.c
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@ -346,6 +346,16 @@ void socket_nonblocking_io_tests()
freeaddrinfo(servinfo);
}
void prep_input_buffer(char* buf, int size, int seed)
{
int ctr = 1;
int *cur = (int*)buf;
for (; size; size -= 4) {
*(cur++) = ctr;
ctr += seed;
}
}
void socket_select_tests() {
int s, r, i;
int num_bytes = 1024 * 700; //700KB
@ -395,6 +405,7 @@ void socket_select_tests() {
recv_buf = malloc(num_bytes + 1);
ASSERT_PTR_NE(send_buf, NULL);
ASSERT_PTR_NE(recv_buf, NULL);
prep_input_buffer(send_buf, num_bytes, 17);
FD_ZERO(&read_set);
FD_ZERO(&write_set);
FD_SET(s, &write_set);
@ -430,10 +441,102 @@ void socket_select_tests() {
FD_SET(r, &read_set);
}
/*ensure that we hit send and recv paths that returned EAGAIN. Else it would have be similar to blocking sends and recvs*/
/*ensure that we hit send and recv paths that returned EAGAIN. Else it would not have touched the async paths*/
/*if this assert is being hit, then num_bytes is too small. up it*/
ASSERT_INT_GT(eagain_results, 0);
ASSERT_INT_EQ(bytes_sent, bytes_received);
ASSERT_INT_EQ(memcmp(send_buf, recv_buf, num_bytes), 0);
ret = close(connect_fd);
ASSERT_INT_EQ(ret, 0);
ret = close(accept_fd);
ASSERT_INT_EQ(ret, 0);
TEST_DONE();
freeaddrinfo(servinfo);
}
void socket_typical_ssh_payload_tests() {
int s, r, i;
int max_bytes = 1024 * 700; //700KB
int max_packetsize = 1024 * 5;
int packets_sent = 0;
int packets_received = 0;
int send_packet_remaining = 0, recv_packet_remaining = 0;
int eagain_results = 0;
TEST_START("connection setup");
memset(&hints, 0, sizeof(hints));
hints.ai_socktype = SOCK_STREAM;
ret = getaddrinfo("127.0.0.1", PORT, &hints, &servinfo);
ASSERT_INT_EQ(ret, 0);
listen_fd = socket(servinfo->ai_family, servinfo->ai_socktype, servinfo->ai_protocol);
ASSERT_INT_NE(listen_fd, -1);
ret = bind(listen_fd, servinfo->ai_addr, servinfo->ai_addrlen);
ASSERT_INT_EQ(ret, 0);
ret = listen(listen_fd, BACKLOG);
ASSERT_INT_EQ(ret, 0);
connect_fd = socket(servinfo->ai_family, servinfo->ai_socktype, servinfo->ai_protocol);
ASSERT_INT_NE(connect_fd, -1);
ret = connect(connect_fd, servinfo->ai_addr, servinfo->ai_addrlen);
ASSERT_INT_EQ(ret, 0);
accept_fd = accept(listen_fd, (struct sockaddr*)&their_addr, sizeof(their_addr));
ASSERT_INT_NE(accept_fd, -1);
ret = close(listen_fd);
ASSERT_INT_EQ(ret, 0);
TEST_DONE();
TEST_START("select send and recv packets");
r = accept_fd;
s = connect_fd;
ret = set_nonblock(s);
ASSERT_INT_EQ(ret, 0);
ret = set_nonblock(r);
ASSERT_INT_EQ(ret, 0);
send_buf = malloc(num_bytes);
recv_buf = malloc(num_bytes + 1);
ASSERT_PTR_NE(send_buf, NULL);
ASSERT_PTR_NE(recv_buf, NULL);
prep_input_buffer(send_buf, num_bytes, 17);
FD_ZERO(&read_set);
FD_ZERO(&write_set);
FD_SET(s, &write_set);
FD_SET(r, &read_set);
while (-1 != select(max(r, s) + 1, &read_set, &write_set, NULL, &time_val)) {
if (FD_ISSET(s, &write_set)) {
while ((bytes_sent < num_bytes) && ((ret = send(s, send_buf + bytes_sent, num_bytes - bytes_sent, 0)) > 0))
bytes_sent += ret;
if (bytes_sent < num_bytes) {
ASSERT_INT_EQ(ret, -1);
ASSERT_INT_EQ(errno, EAGAIN);
eagain_results++;
}
}
if (FD_ISSET(r, &read_set)) {
while ((ret = recv(r, recv_buf + bytes_received, num_bytes - bytes_received + 1, 0)) > 0)
bytes_received += ret;
if (ret == 0)
break;
ASSERT_INT_EQ(ret, -1);
ASSERT_INT_EQ(errno, EAGAIN);
eagain_results++;
}
if (bytes_sent < num_bytes)
FD_SET(s, &write_set);
else {
FD_CLR(s, &write_set);
ret = shutdown(s, SD_SEND);
ASSERT_INT_EQ(ret, 0);
}
FD_SET(r, &read_set);
}
/*ensure that we hit send and recv paths that returned EAGAIN. Else it would not have touched the async paths*/
/*if this assert is being hit, then num_bytes is too small. up it*/
ASSERT_INT_GT(eagain_results, 0);
ASSERT_INT_EQ(bytes_sent, bytes_received);
ASSERT_INT_EQ(memcmp(send_buf, recv_buf, num_bytes), 0);
ret = close(connect_fd);
ASSERT_INT_EQ(ret, 0);
ret = close(accept_fd);