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nghttp2/tests/spdylay_session_test.c

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/*
* Spdylay - SPDY Library
*
* Copyright (c) 2012 Tatsuhiro Tsujikawa
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "spdylay_session_test.h"
#include <CUnit/CUnit.h>
#include <stdio.h>
#include <assert.h>
#include <arpa/inet.h>
#include "spdylay_session.h"
#include "spdylay_stream.h"
typedef struct {
uint8_t buf[4096];
size_t length;
} accumulator;
typedef struct {
uint8_t data[8192];
uint8_t* datamark;
uint8_t* datalimit;
size_t feedseq[8192];
size_t seqidx;
} scripted_data_feed;
typedef struct {
accumulator *acc;
scripted_data_feed *df;
int valid, invalid, ping_recv;
size_t data_source_length;
} my_user_data;
static void scripted_data_feed_init(scripted_data_feed *df,
uint8_t *data, size_t data_length)
{
memset(df, 0, sizeof(scripted_data_feed));
memcpy(df->data, data, data_length);
df->datamark = df->data;
df->datalimit = df->data+data_length;
df->feedseq[0] = data_length;
}
static ssize_t null_send_callback(spdylay_session *session,
const uint8_t* data, size_t len, int flags,
void *user_data)
{
return len;
}
static ssize_t fail_send_callback(spdylay_session *session,
const uint8_t *data, size_t len, int flags,
void *user_data)
{
return SPDYLAY_ERR_CALLBACK_FAILURE;
}
static ssize_t scripted_recv_callback(spdylay_session *session,
uint8_t* data, size_t len, int flags,
void *user_data)
{
scripted_data_feed *df = ((my_user_data*)user_data)->df;
size_t wlen = df->feedseq[df->seqidx] > len ? len : df->feedseq[df->seqidx];
memcpy(data, df->datamark, wlen);
df->datamark += wlen;
if(wlen <= len) {
++df->seqidx;
} else {
df->feedseq[df->seqidx] -= wlen;
}
return wlen;
}
static ssize_t accumulator_send_callback(spdylay_session *session,
const uint8_t *buf, size_t len,
int flags, void* user_data)
{
accumulator *acc = ((my_user_data*)user_data)->acc;
assert(acc->length+len < sizeof(acc->buf));
memcpy(acc->buf+acc->length, buf, len);
acc->length += len;
return len;
}
static void on_ctrl_recv_callback(spdylay_session *session,
spdylay_frame_type type,
spdylay_frame *frame,
void *user_data)
{
my_user_data *ud = (my_user_data*)user_data;
++ud->valid;
}
static void on_invalid_ctrl_recv_callback(spdylay_session *session,
spdylay_frame_type type,
spdylay_frame *frame,
void *user_data)
{
my_user_data *ud = (my_user_data*)user_data;
++ud->invalid;
}
static void on_ping_recv_callback(spdylay_session *session,
const struct timespec *rtt,
void *user_data)
{
my_user_data *ud = (my_user_data*)user_data;
++ud->ping_recv;
}
static ssize_t fixed_length_data_source_read_callback
(spdylay_session *session, uint8_t *buf, size_t len, int *eof,
spdylay_data_source *source, void *user_data)
{
my_user_data *ud = (my_user_data*)user_data;
size_t wlen;
if(len < ud->data_source_length) {
wlen = len;
} else {
wlen = ud->data_source_length;
}
ud->data_source_length -= wlen;
if(ud->data_source_length == 0) {
*eof = 1;
}
return wlen;
}
static char** dup_nv(const char **src)
{
int i;
char **dst;
for(i = 0; src[i]; ++i);
dst = malloc((i+1)*sizeof(char*));
for(i = 0; src[i]; ++i) {
dst[i] = strdup(src[i]);
}
dst[i] = NULL;
return dst;
}
void test_spdylay_session_recv()
{
spdylay_session *session;
spdylay_session_callbacks callbacks = {
NULL,
scripted_recv_callback
};
scripted_data_feed df;
my_user_data user_data;
const char *nv[] = {
"url", "/", NULL
};
uint8_t *framedata;
size_t framelen;
spdylay_frame frame;
user_data.df = &df;
spdylay_session_client_new(&session, &callbacks, &user_data);
spdylay_frame_syn_stream_init(&frame.syn_stream, SPDYLAY_FLAG_NONE, 0, 0, 3,
dup_nv(nv));
framelen = spdylay_frame_pack_syn_stream(&framedata, &frame.syn_stream,
&session->hd_deflater);
scripted_data_feed_init(&df, framedata, framelen);
free(framedata);
spdylay_frame_syn_stream_free(&frame.syn_stream);
CU_ASSERT(0 == spdylay_session_recv(session));
spdylay_session_del(session);
}
void test_spdylay_session_add_frame()
{
spdylay_session *session;
spdylay_session_callbacks callbacks = {
accumulator_send_callback,
NULL,
};
accumulator acc;
my_user_data user_data;
const char *nv[] = {
"method", "GET",
"scheme", "https",
"url", "/",
"version", "HTTP/1.1",
NULL
};
spdylay_frame *frame;
const uint8_t hd_ans1[] = {
0x80, 0x02, 0x00, 0x01
};
uint32_t temp32;
acc.length = 0;
user_data.acc = &acc;
CU_ASSERT(0 == spdylay_session_client_new(&session, &callbacks, &user_data));
frame = malloc(sizeof(spdylay_frame));
spdylay_frame_syn_stream_init(&frame->syn_stream, SPDYLAY_FLAG_NONE, 0, 0, 3,
dup_nv(nv));
CU_ASSERT(0 == spdylay_session_add_frame(session, SPDYLAY_SYN_STREAM, frame,
NULL));
CU_ASSERT(0 == spdylay_pq_empty(&session->ob_pq));
CU_ASSERT(0 == spdylay_session_send(session));
CU_ASSERT(memcmp(hd_ans1, acc.buf, 4) == 0);
/* check stream id */
memcpy(&temp32, &acc.buf[8], 4);
temp32 = ntohl(temp32);
CU_ASSERT(1 == temp32);
/* check assoc stream id */
memcpy(&temp32, &acc.buf[12], 4);
temp32 = ntohl(temp32);
CU_ASSERT(0 == temp32);
/* check pri */
temp32 = (acc.buf[16] >> 6) & 0x3;
CU_ASSERT(3 == temp32);
spdylay_session_del(session);
}
void test_spdylay_session_recv_invalid_stream_id()
{
spdylay_session *session;
spdylay_session_callbacks callbacks = {
NULL,
scripted_recv_callback,
NULL,
on_invalid_ctrl_recv_callback
};
scripted_data_feed df;
my_user_data user_data;
const char *nv[] = { NULL };
uint8_t *framedata;
size_t framelen;
spdylay_frame frame;
user_data.df = &df;
user_data.invalid = 0;
spdylay_session_client_new(&session, &callbacks, &user_data);
spdylay_frame_syn_stream_init(&frame.syn_stream, SPDYLAY_FLAG_NONE, 1, 0, 3,
dup_nv(nv));
framelen = spdylay_frame_pack_syn_stream(&framedata, &frame.syn_stream,
&session->hd_deflater);
scripted_data_feed_init(&df, framedata, framelen);
free(framedata);
spdylay_frame_syn_stream_free(&frame.syn_stream);
CU_ASSERT(0 == spdylay_session_recv(session));
CU_ASSERT(1 == user_data.invalid);
spdylay_frame_syn_reply_init(&frame.syn_reply, SPDYLAY_FLAG_NONE, 100,
dup_nv(nv));
framelen = spdylay_frame_pack_syn_reply(&framedata, &frame.syn_reply,
&session->hd_deflater);
scripted_data_feed_init(&df, framedata, framelen);
free(framedata);
spdylay_frame_syn_reply_free(&frame.syn_reply);
CU_ASSERT(0 == spdylay_session_recv(session));
CU_ASSERT(2 == user_data.invalid);
spdylay_session_del(session);
}
void test_spdylay_session_on_syn_stream_received()
{
spdylay_session *session;
spdylay_session_callbacks callbacks = {
NULL,
NULL,
on_ctrl_recv_callback,
on_invalid_ctrl_recv_callback
};
my_user_data user_data;
const char *nv[] = { NULL };
spdylay_frame frame;
spdylay_stream *stream;
user_data.valid = 0;
user_data.invalid = 0;
spdylay_session_client_new(&session, &callbacks, &user_data);
spdylay_frame_syn_stream_init(&frame.syn_stream, SPDYLAY_FLAG_NONE,
2, 0, 3, dup_nv(nv));
CU_ASSERT(0 == spdylay_session_on_syn_stream_received(session, &frame));
CU_ASSERT(1 == user_data.valid);
stream = (spdylay_stream*)spdylay_map_find(&session->streams, 2);
CU_ASSERT(SPDYLAY_STREAM_OPENING == stream->state);
CU_ASSERT(3 == stream->pri);
CU_ASSERT(0 == spdylay_session_on_syn_stream_received(session, &frame));
CU_ASSERT(1 == user_data.invalid);
CU_ASSERT(SPDYLAY_STREAM_CLOSING ==
((spdylay_stream*)spdylay_map_find(&session->streams, 2))->state);
spdylay_frame_syn_stream_free(&frame.syn_stream);
spdylay_session_del(session);
}
void test_spdylay_session_on_syn_reply_received()
{
spdylay_session *session;
spdylay_session_callbacks callbacks = {
NULL,
NULL,
on_ctrl_recv_callback,
on_invalid_ctrl_recv_callback
};
my_user_data user_data;
const char *nv[] = { NULL };
spdylay_frame frame;
spdylay_stream *stream;
user_data.valid = 0;
user_data.invalid = 0;
spdylay_session_client_new(&session, &callbacks, &user_data);
spdylay_session_open_stream(session, 1, SPDYLAY_FLAG_NONE, 0,
SPDYLAY_STREAM_OPENING);
spdylay_frame_syn_reply_init(&frame.syn_reply, SPDYLAY_FLAG_NONE, 1,
dup_nv(nv));
CU_ASSERT(0 == spdylay_session_on_syn_reply_received(session, &frame));
CU_ASSERT(1 == user_data.valid);
CU_ASSERT(SPDYLAY_STREAM_OPENED ==
((spdylay_stream*)spdylay_map_find(&session->streams, 1))->state);
CU_ASSERT(0 == spdylay_session_on_syn_reply_received(session, &frame));
CU_ASSERT(1 == user_data.invalid);
CU_ASSERT(SPDYLAY_STREAM_CLOSING ==
((spdylay_stream*)spdylay_map_find(&session->streams, 1))->state);
/* Check the situation when SYN_REPLY is received after peer sends
FIN */
stream = spdylay_session_open_stream(session, 3, SPDYLAY_FLAG_NONE, 0,
SPDYLAY_STREAM_OPENED);
spdylay_stream_shutdown(stream, SPDYLAY_SHUT_RD);
frame.syn_reply.stream_id = 3;
CU_ASSERT(0 == spdylay_session_on_syn_reply_received(session, &frame));
CU_ASSERT(2 == user_data.invalid);
spdylay_frame_syn_reply_free(&frame.syn_reply);
spdylay_session_del(session);
}
void test_spdylay_session_send_syn_stream()
{
spdylay_session *session;
spdylay_session_callbacks callbacks = {
null_send_callback,
NULL,
NULL,
NULL
};
const char *nv[] = { NULL };
spdylay_frame *frame = malloc(sizeof(spdylay_frame));
spdylay_stream *stream;
spdylay_session_client_new(&session, &callbacks, NULL);
spdylay_frame_syn_stream_init(&frame->syn_stream, SPDYLAY_FLAG_NONE,
0, 0, 3, dup_nv(nv));
spdylay_session_add_frame(session, SPDYLAY_SYN_STREAM, frame, NULL);
CU_ASSERT(0 == spdylay_session_send(session));
stream = spdylay_session_get_stream(session, 1);
CU_ASSERT(SPDYLAY_STREAM_OPENING == stream->state);
spdylay_session_del(session);
}
void test_spdylay_session_send_syn_reply()
{
spdylay_session *session;
spdylay_session_callbacks callbacks = {
null_send_callback,
NULL,
NULL,
NULL
};
const char *nv[] = { NULL };
spdylay_frame *frame = malloc(sizeof(spdylay_frame));
spdylay_stream *stream;
CU_ASSERT(0 == spdylay_session_client_new(&session, &callbacks, NULL));
spdylay_session_open_stream(session, 2, SPDYLAY_FLAG_NONE, 3,
SPDYLAY_STREAM_OPENING);
spdylay_frame_syn_reply_init(&frame->syn_reply, SPDYLAY_FLAG_NONE,
2, dup_nv(nv));
spdylay_session_add_frame(session, SPDYLAY_SYN_REPLY, frame, NULL);
CU_ASSERT(0 == spdylay_session_send(session));
stream = spdylay_session_get_stream(session, 2);
CU_ASSERT(SPDYLAY_STREAM_OPENED == stream->state);
spdylay_session_del(session);
}
void test_spdylay_submit_response()
{
spdylay_session *session;
spdylay_session_callbacks callbacks = {
null_send_callback,
NULL,
NULL,
NULL
};
const char *nv[] = { NULL };
int32_t stream_id = 2;
spdylay_data_source source;
spdylay_data_provider data_prd = {
source,
fixed_length_data_source_read_callback
};
my_user_data ud;
ud.data_source_length = 64*1024;
CU_ASSERT(0 == spdylay_session_client_new(&session, &callbacks, &ud));
spdylay_session_open_stream(session, stream_id, SPDYLAY_FLAG_NONE, 3,
SPDYLAY_STREAM_OPENING);
CU_ASSERT(0 == spdylay_submit_response(session, stream_id, nv, &data_prd));
CU_ASSERT(0 == spdylay_session_send(session));
spdylay_session_del(session);
}
void test_spdylay_submit_request_with_data()
{
spdylay_session *session;
spdylay_session_callbacks callbacks = {
null_send_callback,
NULL,
NULL,
NULL
};
const char *nv[] = { NULL };
spdylay_data_source source;
spdylay_data_provider data_prd = {
source,
fixed_length_data_source_read_callback
};
my_user_data ud;
ud.data_source_length = 64*1024;
CU_ASSERT(0 == spdylay_session_client_new(&session, &callbacks, &ud));
CU_ASSERT(0 == spdylay_submit_request(session, 3, nv, &data_prd));
CU_ASSERT(0 == spdylay_session_send(session));
CU_ASSERT(0 == ud.data_source_length);
spdylay_session_del(session);
}
void test_spdylay_session_reply_fail()
{
spdylay_session *session;
spdylay_session_callbacks callbacks = {
fail_send_callback,
NULL,
NULL,
NULL
};
const char *nv[] = { NULL };
int32_t stream_id = 2;
spdylay_data_source source;
spdylay_data_provider data_prd = {
source,
fixed_length_data_source_read_callback
};
my_user_data ud;
ud.data_source_length = 4*1024;
CU_ASSERT(0 == spdylay_session_client_new(&session, &callbacks, &ud));
CU_ASSERT(0 == spdylay_submit_response(session, stream_id, nv, &data_prd));
CU_ASSERT(0 == spdylay_session_send(session));
spdylay_session_del(session);
}
void test_spdylay_session_on_syn_stream_received_with_unidir_fin()
{
spdylay_session *session;
spdylay_session_callbacks callbacks = {
NULL,
NULL,
on_ctrl_recv_callback,
NULL
};
my_user_data user_data;
const char *nv[] = { NULL };
spdylay_frame frame;
spdylay_stream *stream;
user_data.valid = 0;
user_data.invalid = 0;
spdylay_session_client_new(&session, &callbacks, &user_data);
spdylay_frame_syn_stream_init(&frame.syn_stream,
SPDYLAY_FLAG_FIN | SPDYLAY_FLAG_UNIDIRECTIONAL,
2, 0, 3, dup_nv(nv));
CU_ASSERT(0 == spdylay_session_on_syn_stream_received(session, &frame));
CU_ASSERT(1 == user_data.valid);
stream = (spdylay_stream*)spdylay_map_find(&session->streams, 2);
CU_ASSERT(NULL == stream);
spdylay_frame_syn_stream_free(&frame.syn_stream);
spdylay_session_del(session);
}
void test_spdylay_session_on_headers_received()
{
spdylay_session *session;
spdylay_session_callbacks callbacks = {
NULL,
NULL,
on_ctrl_recv_callback,
on_invalid_ctrl_recv_callback
};
my_user_data user_data;
const char *nv[] = { NULL };
spdylay_frame frame;
user_data.valid = 0;
user_data.invalid = 0;
spdylay_session_client_new(&session, &callbacks, &user_data);
spdylay_session_open_stream(session, 1, SPDYLAY_FLAG_NONE, 0,
SPDYLAY_STREAM_OPENED);
spdylay_stream_shutdown(spdylay_session_get_stream(session, 1),
SPDYLAY_SHUT_WR);
spdylay_frame_headers_init(&frame.headers, SPDYLAY_FLAG_NONE, 1,
dup_nv(nv));
CU_ASSERT(0 == spdylay_session_on_headers_received(session, &frame));
CU_ASSERT(1 == user_data.valid);
CU_ASSERT(SPDYLAY_STREAM_OPENED ==
spdylay_session_get_stream(session, 1)->state);
frame.headers.hd.flags |= SPDYLAY_FLAG_FIN;
CU_ASSERT(0 == spdylay_session_on_headers_received(session, &frame));
CU_ASSERT(2 == user_data.valid);
CU_ASSERT(NULL == spdylay_session_get_stream(session, 1));
CU_ASSERT(0 == spdylay_session_on_headers_received(session, &frame));
CU_ASSERT(1 == user_data.invalid);
/* Check to see when SPDYLAY_STREAM_CLOSING, incoming HEADERS is
discarded. */
spdylay_session_open_stream(session, 3, SPDYLAY_FLAG_NONE, 0,
SPDYLAY_STREAM_CLOSING);
frame.headers.stream_id = 3;
frame.headers.hd.flags = SPDYLAY_FLAG_NONE;
CU_ASSERT(0 == spdylay_session_on_headers_received(session, &frame));
CU_ASSERT(2 == user_data.valid);
CU_ASSERT(1 == user_data.invalid);
/* Server initiated stream */
spdylay_session_open_stream(session, 2, SPDYLAY_FLAG_NONE, 0,
SPDYLAY_STREAM_OPENING);
frame.headers.hd.flags = SPDYLAY_FLAG_FIN;
frame.headers.stream_id = 2;
CU_ASSERT(0 == spdylay_session_on_headers_received(session, &frame));
CU_ASSERT(3 == user_data.valid);
CU_ASSERT(SPDYLAY_STREAM_OPENING ==
spdylay_session_get_stream(session, 2)->state);
CU_ASSERT(spdylay_session_get_stream(session, 2)->shut_flags &
SPDYLAY_SHUT_RD);
CU_ASSERT(0 == spdylay_session_on_headers_received(session, &frame));
CU_ASSERT(2 == user_data.invalid);
spdylay_frame_headers_free(&frame.headers);
spdylay_session_del(session);
}
void test_spdylay_session_on_ping_received()
{
spdylay_session *session;
spdylay_session_callbacks callbacks = {
NULL,
NULL,
on_ctrl_recv_callback,
on_invalid_ctrl_recv_callback,
on_ping_recv_callback
};
my_user_data user_data;
spdylay_frame frame;
spdylay_outbound_item *top;
uint32_t unique_id;
user_data.valid = 0;
user_data.invalid = 0;
user_data.ping_recv = 0;
spdylay_session_client_new(&session, &callbacks, &user_data);
unique_id = 2;
spdylay_frame_ping_init(&frame.ping, unique_id);
CU_ASSERT(0 == spdylay_session_on_ping_received(session, &frame));
CU_ASSERT(1 == user_data.valid);
CU_ASSERT(0 == user_data.ping_recv);
top = spdylay_session_get_ob_pq_top(session);
CU_ASSERT(SPDYLAY_PING == top->frame_type);
CU_ASSERT(unique_id == top->frame->ping.unique_id);
session->last_ping_unique_id = 1;
frame.ping.unique_id = 1;
CU_ASSERT(0 == spdylay_session_on_ping_received(session, &frame));
CU_ASSERT(2 == user_data.valid);
CU_ASSERT(1 == user_data.ping_recv);
spdylay_frame_ping_free(&frame.ping);
spdylay_session_del(session);
}
void test_spdylay_session_on_goaway_received()
{
spdylay_session *session;
spdylay_session_callbacks callbacks = {
NULL,
NULL,
on_ctrl_recv_callback,
on_invalid_ctrl_recv_callback,
};
my_user_data user_data;
spdylay_frame frame;
spdylay_outbound_item *top;
int32_t stream_id = 1000000007;
user_data.valid = 0;
user_data.invalid = 0;
spdylay_session_client_new(&session, &callbacks, &user_data);
spdylay_frame_goaway_init(&frame.goaway, stream_id);
CU_ASSERT(0 == spdylay_session_on_goaway_received(session, &frame));
CU_ASSERT(1 == user_data.valid);
CU_ASSERT(session->goaway_flags == SPDYLAY_GOAWAY_RECV);
spdylay_frame_goaway_free(&frame.goaway);
spdylay_session_del(session);
}
void test_spdylay_session_on_data_received()
{
spdylay_session *session;
spdylay_session_callbacks callbacks;
memset(&callbacks, 0, sizeof(spdylay_session_callbacks));
my_user_data user_data;
spdylay_outbound_item *top;
int32_t stream_id = 2;
spdylay_stream *stream;
spdylay_session_client_new(&session, &callbacks, &user_data);
stream = spdylay_session_open_stream(session, stream_id, SPDYLAY_FLAG_NONE,
3, SPDYLAY_STREAM_OPENING);
CU_ASSERT(0 == spdylay_session_on_data_received(session, SPDYLAY_FLAG_NONE,
4096, stream_id));
CU_ASSERT(0 == stream->shut_flags);
CU_ASSERT(0 == spdylay_session_on_data_received(session, SPDYLAY_FLAG_FIN,
4096, stream_id));
CU_ASSERT(SPDYLAY_SHUT_RD == stream->shut_flags);
/* If SPDYLAY_STREAM_CLOSING state, DATA frame is discarded. */
stream_id = 4;
spdylay_session_open_stream(session, stream_id, SPDYLAY_FLAG_NONE,
3, SPDYLAY_STREAM_CLOSING);
CU_ASSERT(0 == spdylay_session_on_data_received(session, SPDYLAY_FLAG_NONE,
4096, stream_id));
CU_ASSERT(NULL == spdylay_session_get_ob_pq_top(session));
/* Check INVALID_STREAM case: DATA frame with stream ID which does
not exist. */
stream_id = 6;
CU_ASSERT(0 == spdylay_session_on_data_received(session, SPDYLAY_FLAG_NONE,
4096, stream_id));
top = spdylay_session_get_ob_pq_top(session);
CU_ASSERT(SPDYLAY_RST_STREAM == top->frame_type);
CU_ASSERT(SPDYLAY_INVALID_STREAM == top->frame->rst_stream.status_code);
spdylay_session_del(session);
}
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