nghttp2/tests/failmalloc_test.c

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/*
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* nghttp2 - HTTP/2 C Library
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*
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* Copyright (c) 2012, 2014 Tatsuhiro Tsujikawa
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*
* 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 "failmalloc_test.h"
#include <CUnit/CUnit.h>
#include <stdio.h>
#include <assert.h>
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#include "nghttp2_session.h"
#include "nghttp2_stream.h"
#include "nghttp2_frame.h"
#include "nghttp2_helper.h"
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#include "malloc_wrapper.h"
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#include "nghttp2_test_helper.h"
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typedef struct {
uint8_t data[8192];
uint8_t *datamark, *datalimit;
} data_feed;
typedef struct {
data_feed *df;
size_t data_source_length;
} my_user_data;
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static void data_feed_init(data_feed *df, nghttp2_bufs *bufs) {
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nghttp2_buf *buf;
size_t data_length;
buf = &bufs->head->buf;
data_length = nghttp2_buf_len(buf);
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assert(data_length <= sizeof(df->data));
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memcpy(df->data, buf->pos, data_length);
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df->datamark = df->data;
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df->datalimit = df->data + data_length;
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}
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static ssize_t null_send_callback(nghttp2_session *session, const uint8_t *data,
size_t len, int flags, void *user_data) {
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return len;
}
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static ssize_t data_feed_recv_callback(nghttp2_session *session, uint8_t *data,
size_t len, int flags, void *user_data) {
data_feed *df = ((my_user_data *)user_data)->df;
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size_t avail = df->datalimit - df->datamark;
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size_t wlen = nghttp2_min(avail, len);
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memcpy(data, df->datamark, wlen);
df->datamark += wlen;
return wlen;
}
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static ssize_t fixed_length_data_source_read_callback(
nghttp2_session *session, int32_t stream_id, uint8_t *buf, size_t len,
uint32_t *data_flags, nghttp2_data_source *source, void *user_data) {
my_user_data *ud = (my_user_data *)user_data;
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size_t wlen;
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if (len < ud->data_source_length) {
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wlen = len;
} else {
wlen = ud->data_source_length;
}
ud->data_source_length -= wlen;
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if (ud->data_source_length == 0) {
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*data_flags = NGHTTP2_DATA_FLAG_EOF;
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}
return wlen;
}
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#define TEST_FAILMALLOC_RUN(FUN) \
do { \
size_t nmalloc, i; \
\
nghttp2_failmalloc = 0; \
nghttp2_nmalloc = 0; \
FUN(); \
nmalloc = nghttp2_nmalloc; \
\
nghttp2_failmalloc = 1; \
for (i = 0; i < nmalloc; ++i) { \
nghttp2_nmalloc = 0; \
nghttp2_failstart = i; \
/* printf("i=%zu\n", i); */ \
FUN(); \
/* printf("nmalloc=%d\n", nghttp2_nmalloc); */ \
} \
nghttp2_failmalloc = 0; \
} while (0)
static void run_nghttp2_session_send(void) {
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nghttp2_session *session;
nghttp2_session_callbacks callbacks;
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nghttp2_nv nv[] = {MAKE_NV(":host", "example.org"),
MAKE_NV(":scheme", "https")};
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nghttp2_data_provider data_prd;
nghttp2_settings_entry iv[2];
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my_user_data ud;
int rv;
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memset(&callbacks, 0, sizeof(nghttp2_session_callbacks));
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callbacks.send_callback = null_send_callback;
data_prd.read_callback = fixed_length_data_source_read_callback;
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ud.data_source_length = 64 * 1024;
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iv[0].settings_id = NGHTTP2_SETTINGS_HEADER_TABLE_SIZE;
iv[0].value = 4096;
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iv[1].settings_id = NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS;
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iv[1].value = 100;
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rv = nghttp2_session_client_new(&session, &callbacks, &ud);
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if (rv != 0) {
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goto client_new_fail;
}
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rv = nghttp2_submit_request(session, NULL, nv, ARRLEN(nv), &data_prd, NULL);
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if (rv < 0) {
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goto fail;
}
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rv = nghttp2_submit_headers(session, NGHTTP2_FLAG_NONE, -1, NULL, nv,
ARRLEN(nv), NULL);
if (rv < 0) {
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goto fail;
}
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rv = nghttp2_session_send(session);
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if (rv != 0) {
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goto fail;
}
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/* The HEADERS submitted by the previous nghttp2_submit_headers will
have stream ID 3. Send HEADERS to that stream. */
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rv = nghttp2_submit_headers(session, NGHTTP2_FLAG_NONE, 3, NULL, nv,
ARRLEN(nv), NULL);
if (rv != 0) {
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goto fail;
}
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rv = nghttp2_submit_data(session, NGHTTP2_FLAG_END_STREAM, 3, &data_prd);
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if (rv != 0) {
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goto fail;
}
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rv = nghttp2_session_send(session);
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if (rv != 0) {
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goto fail;
}
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rv = nghttp2_submit_rst_stream(session, NGHTTP2_FLAG_NONE, 3, NGHTTP2_CANCEL);
if (rv != 0) {
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goto fail;
}
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rv = nghttp2_session_send(session);
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if (rv != 0) {
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goto fail;
}
/* Sending against half-closed stream */
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rv = nghttp2_submit_headers(session, NGHTTP2_FLAG_NONE, 3, NULL, nv,
ARRLEN(nv), NULL);
if (rv != 0) {
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goto fail;
}
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rv = nghttp2_submit_data(session, NGHTTP2_FLAG_END_STREAM, 3, &data_prd);
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if (rv != 0) {
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goto fail;
}
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rv = nghttp2_submit_ping(session, NGHTTP2_FLAG_NONE, NULL);
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if (rv != 0) {
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goto fail;
}
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rv = nghttp2_submit_settings(session, NGHTTP2_FLAG_NONE, iv, 2);
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if (rv != 0) {
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goto fail;
}
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rv = nghttp2_session_send(session);
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if (rv != 0) {
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goto fail;
}
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rv = nghttp2_submit_goaway(session, NGHTTP2_FLAG_NONE, 100, NGHTTP2_NO_ERROR,
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NULL, 0);
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if (rv != 0) {
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goto fail;
}
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rv = nghttp2_session_send(session);
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if (rv != 0) {
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goto fail;
}
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fail:
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nghttp2_session_del(session);
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client_new_fail:
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;
}
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void test_nghttp2_session_send(void) {
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TEST_FAILMALLOC_RUN(run_nghttp2_session_send);
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}
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static void run_nghttp2_session_recv(void) {
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nghttp2_session *session;
nghttp2_session_callbacks callbacks;
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nghttp2_hd_deflater deflater;
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nghttp2_frame frame;
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nghttp2_bufs bufs;
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nghttp2_nv nv[] = {MAKE_NV(":authority", "example.org"),
MAKE_NV(":scheme", "https")};
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nghttp2_settings_entry iv[2];
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my_user_data ud;
data_feed df;
int rv;
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nghttp2_nv *nva;
ssize_t nvlen;
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rv = frame_pack_bufs_init(&bufs);
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if (rv != 0) {
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return;
}
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memset(&callbacks, 0, sizeof(nghttp2_session_callbacks));
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callbacks.recv_callback = data_feed_recv_callback;
ud.df = &df;
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nghttp2_failmalloc_pause();
nvlen = ARRLEN(nv);
nghttp2_nv_array_copy(&nva, nv, nvlen);
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nghttp2_hd_deflate_init(&deflater);
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nghttp2_session_server_new(&session, &callbacks, &ud);
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nghttp2_failmalloc_unpause();
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/* HEADERS */
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nghttp2_failmalloc_pause();
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nghttp2_frame_headers_init(&frame.headers, NGHTTP2_FLAG_END_STREAM, 1,
NGHTTP2_HCAT_REQUEST, NULL, nva, nvlen);
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nghttp2_frame_pack_headers(&bufs, &frame.headers, &deflater);
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nghttp2_frame_headers_free(&frame.headers);
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data_feed_init(&df, &bufs);
nghttp2_bufs_reset(&bufs);
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nghttp2_failmalloc_unpause();
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rv = nghttp2_session_recv(session);
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if (rv != 0) {
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goto fail;
}
/* PING */
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nghttp2_failmalloc_pause();
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nghttp2_frame_ping_init(&frame.ping, NGHTTP2_FLAG_NONE, NULL);
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nghttp2_frame_pack_ping(&bufs, &frame.ping);
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nghttp2_frame_ping_free(&frame.ping);
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data_feed_init(&df, &bufs);
nghttp2_bufs_reset(&bufs);
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nghttp2_failmalloc_unpause();
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rv = nghttp2_session_recv(session);
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if (rv != 0) {
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goto fail;
}
/* RST_STREAM */
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nghttp2_failmalloc_pause();
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nghttp2_frame_rst_stream_init(&frame.rst_stream, 1, NGHTTP2_PROTOCOL_ERROR);
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nghttp2_frame_pack_rst_stream(&bufs, &frame.rst_stream);
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nghttp2_frame_rst_stream_free(&frame.rst_stream);
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nghttp2_bufs_reset(&bufs);
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nghttp2_failmalloc_unpause();
rv = nghttp2_session_recv(session);
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if (rv != 0) {
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goto fail;
}
/* SETTINGS */
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nghttp2_failmalloc_pause();
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iv[0].settings_id = NGHTTP2_SETTINGS_HEADER_TABLE_SIZE;
iv[0].value = 4096;
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iv[1].settings_id = NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS;
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iv[1].value = 100;
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nghttp2_frame_settings_init(&frame.settings, NGHTTP2_FLAG_NONE,
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nghttp2_frame_iv_copy(iv, 2), 2);
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nghttp2_frame_pack_settings(&bufs, &frame.settings);
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nghttp2_frame_settings_free(&frame.settings);
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nghttp2_bufs_reset(&bufs);
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nghttp2_failmalloc_unpause();
rv = nghttp2_session_recv(session);
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if (rv != 0) {
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goto fail;
}
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fail:
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nghttp2_bufs_free(&bufs);
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nghttp2_session_del(session);
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nghttp2_hd_deflate_free(&deflater);
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}
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void test_nghttp2_session_recv(void) {
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TEST_FAILMALLOC_RUN(run_nghttp2_session_recv);
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}
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static void run_nghttp2_frame_pack_headers(void) {
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nghttp2_hd_deflater deflater;
nghttp2_hd_inflater inflater;
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nghttp2_frame frame, oframe;
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nghttp2_bufs bufs;
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nghttp2_nv nv[] = {MAKE_NV(":host", "example.org"),
MAKE_NV(":scheme", "https")};
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int rv;
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nghttp2_nv *nva;
ssize_t nvlen;
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rv = frame_pack_bufs_init(&bufs);
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if (rv != 0) {
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return;
}
rv = nghttp2_hd_deflate_init(&deflater);
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if (rv != 0) {
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goto deflate_init_fail;
}
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rv = nghttp2_hd_inflate_init(&inflater);
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if (rv != 0) {
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goto inflate_init_fail;
}
nvlen = ARRLEN(nv);
rv = nghttp2_nv_array_copy(&nva, nv, nvlen);
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if (rv < 0) {
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goto nv_copy_fail;
}
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nghttp2_frame_headers_init(&frame.headers, NGHTTP2_FLAG_END_STREAM, 1,
NGHTTP2_HCAT_REQUEST, NULL, nva, nvlen);
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rv = nghttp2_frame_pack_headers(&bufs, &frame.headers, &deflater);
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if (rv != 0) {
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goto fail;
}
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rv = unpack_framebuf(&oframe, &bufs);
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if (rv != 0) {
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goto fail;
}
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nghttp2_frame_headers_free(&oframe.headers);
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fail:
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nghttp2_frame_headers_free(&frame.headers);
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nv_copy_fail:
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nghttp2_hd_inflate_free(&inflater);
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inflate_init_fail:
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nghttp2_hd_deflate_free(&deflater);
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deflate_init_fail:
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nghttp2_bufs_free(&bufs);
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}
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static void run_nghttp2_frame_pack_settings(void) {
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nghttp2_frame frame, oframe;
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nghttp2_bufs bufs;
nghttp2_buf *buf;
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nghttp2_settings_entry iv[2], *iv_copy;
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int rv;
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rv = frame_pack_bufs_init(&bufs);
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if (rv != 0) {
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return;
}
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iv[0].settings_id = NGHTTP2_SETTINGS_HEADER_TABLE_SIZE;
iv[0].value = 4096;
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iv[1].settings_id = NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS;
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iv[1].value = 100;
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iv_copy = nghttp2_frame_iv_copy(iv, 2);
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if (iv_copy == NULL) {
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goto iv_copy_fail;
}
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nghttp2_frame_settings_init(&frame.settings, NGHTTP2_FLAG_NONE, iv_copy, 2);
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rv = nghttp2_frame_pack_settings(&bufs, &frame.settings);
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if (rv != 0) {
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goto fail;
}
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buf = &bufs.head->buf;
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rv = nghttp2_frame_unpack_settings_payload2(
&oframe.settings.iv, &oframe.settings.niv, buf->pos + NGHTTP2_FRAME_HDLEN,
nghttp2_buf_len(buf) - NGHTTP2_FRAME_HDLEN);
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if (rv != 0) {
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goto fail;
}
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nghttp2_frame_settings_free(&oframe.settings);
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fail:
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nghttp2_frame_settings_free(&frame.settings);
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iv_copy_fail:
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nghttp2_bufs_free(&bufs);
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}
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void test_nghttp2_frame(void) {
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TEST_FAILMALLOC_RUN(run_nghttp2_frame_pack_headers);
TEST_FAILMALLOC_RUN(run_nghttp2_frame_pack_settings);
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}
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static int deflate_inflate(nghttp2_hd_deflater *deflater,
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nghttp2_hd_inflater *inflater, nghttp2_bufs *bufs,
nghttp2_nv *nva, size_t nvlen) {
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int rv;
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rv = nghttp2_hd_deflate_hd_bufs(deflater, bufs, nva, nvlen);
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if (rv != 0) {
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return rv;
}
rv = inflate_hd(inflater, NULL, bufs, 0);
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if (rv < 0) {
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return rv;
}
nghttp2_bufs_reset(bufs);
return 0;
}
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static void run_nghttp2_hd(void) {
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nghttp2_hd_deflater deflater;
nghttp2_hd_inflater inflater;
nghttp2_bufs bufs;
int rv;
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nghttp2_nv nva1[] = {MAKE_NV(":scheme", "https"),
MAKE_NV(":authority", "example.org"),
MAKE_NV(":path", "/slashdot"),
MAKE_NV("accept-encoding", "gzip, deflate")};
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nghttp2_nv nva2[] = {
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MAKE_NV(":scheme", "https"), MAKE_NV(":authority", "example.org"),
MAKE_NV(":path", "/style.css"), MAKE_NV("cookie", "nghttp2=FTW")};
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rv = frame_pack_bufs_init(&bufs);
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if (rv != 0) {
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return;
}
rv = nghttp2_hd_deflate_init(&deflater);
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if (rv != 0) {
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goto deflate_init_fail;
}
rv = nghttp2_hd_inflate_init(&inflater);
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if (rv != 0) {
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goto inflate_init_fail;
}
rv = deflate_inflate(&deflater, &inflater, &bufs, nva1, ARRLEN(nva1));
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if (rv != 0) {
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goto deflate_hd_fail;
}
rv = deflate_inflate(&deflater, &inflater, &bufs, nva2, ARRLEN(nva2));
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if (rv != 0) {
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goto deflate_hd_fail;
}
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deflate_hd_fail:
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nghttp2_hd_inflate_free(&inflater);
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inflate_init_fail:
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nghttp2_hd_deflate_free(&deflater);
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deflate_init_fail:
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nghttp2_bufs_free(&bufs);
}
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void test_nghttp2_hd(void) { TEST_FAILMALLOC_RUN(run_nghttp2_hd); }