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Merge branch 'Andersbakken-set_nghttp2_debug_callback'

This commit is contained in:
Tatsuhiro Tsujikawa 2016-10-14 23:03:00 +09:00
parent ee7c36c022 19340da8d4
commit de03c41111
10 changed files with 333 additions and 293 deletions
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1
lib/CMakeLists.txt
View File

@ -23,6 +23,7 @@ set(NGHTTP2_SOURCES
nghttp2_mem.c nghttp2_mem.c
nghttp2_http.c nghttp2_http.c
nghttp2_rcbuf.c nghttp2_rcbuf.c
nghttp2_debug.c
) )
# Public shared library # Public shared library

6
lib/Makefile.am
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@ -48,7 +48,8 @@ OBJECTS = nghttp2_pq.c nghttp2_map.c nghttp2_queue.c \
nghttp2_callbacks.c \ nghttp2_callbacks.c \
nghttp2_mem.c \ nghttp2_mem.c \
nghttp2_http.c \ nghttp2_http.c \
nghttp2_rcbuf.c nghttp2_rcbuf.c \
nghttp2_debug.c
HFILES = nghttp2_pq.h nghttp2_int.h nghttp2_map.h nghttp2_queue.h \ HFILES = nghttp2_pq.h nghttp2_int.h nghttp2_map.h nghttp2_queue.h \
nghttp2_frame.h \ nghttp2_frame.h \
@ -63,7 +64,8 @@ HFILES = nghttp2_pq.h nghttp2_int.h nghttp2_map.h nghttp2_queue.h \
nghttp2_callbacks.h \ nghttp2_callbacks.h \
nghttp2_mem.h \ nghttp2_mem.h \
nghttp2_http.h \ nghttp2_http.h \
nghttp2_rcbuf.h nghttp2_rcbuf.h \
nghttp2_debug.h
libnghttp2_la_SOURCES = $(HFILES) $(OBJECTS) libnghttp2_la_SOURCES = $(HFILES) $(OBJECTS)
libnghttp2_la_LDFLAGS = -no-undefined \ libnghttp2_la_LDFLAGS = -no-undefined \

34
lib/includes/nghttp2/nghttp2.h
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@ -45,6 +45,7 @@ extern "C" {
#include <inttypes.h> #include <inttypes.h>
#endif /* !defined(_MSC_VER) || (_MSC_VER >= 1800) */ #endif /* !defined(_MSC_VER) || (_MSC_VER >= 1800) */
#include <sys/types.h> #include <sys/types.h>
#include <stdarg.h>
#include <nghttp2/nghttp2ver.h> #include <nghttp2/nghttp2ver.h>
@ -5238,6 +5239,39 @@ NGHTTP2_EXTERN int32_t nghttp2_stream_get_weight(nghttp2_stream *stream);
NGHTTP2_EXTERN int32_t NGHTTP2_EXTERN int32_t
nghttp2_stream_get_sum_dependency_weight(nghttp2_stream *stream); nghttp2_stream_get_sum_dependency_weight(nghttp2_stream *stream);
/**
* @functypedef
*
* Callback function invoked when the library outputs debug logging.
* The function is called with arguments suitable for ``vfprintf(3)``
*
* The debug output is only enabled if the library is built with
* ``DEBUGBUILD`` macro defined.
*/
typedef void (*nghttp2_debug_vprintf_callback)(const char *format,
va_list args);
/**
* @function
*
* Sets a debug output callback called by the library when built with
* ``DEBUGBUILD`` macro defined. If this option is not used, debug
* log is written into standard error output.
*
* Note that building with ``DEBUGBUILD`` may cause significant
* performance penalty to libnghttp2 because of extra processing. It
* should be used for debugging purpose only.
*
* .. Warning::
*
* Building with ``DEBUGBUILD`` may cause significant performance
* penalty to libnghttp2 because of extra processing. It should be
* used for debugging purpose only. We write this two times because
* this is important.
*/
NGHTTP2_EXTERN void nghttp2_set_debug_vprintf_callback(
nghttp2_debug_vprintf_callback debug_vprintf_callback);
#ifdef __cplusplus #ifdef __cplusplus
} }
#endif #endif

6
lib/nghttp2_buf.c
View File

@ -27,6 +27,7 @@
#include <stdio.h> #include <stdio.h>
#include "nghttp2_helper.h" #include "nghttp2_helper.h"
#include "nghttp2_debug.h"
void nghttp2_buf_init(nghttp2_buf *buf) { void nghttp2_buf_init(nghttp2_buf *buf) {
buf->begin = NULL; buf->begin = NULL;
@ -316,9 +317,8 @@ static int bufs_alloc_chain(nghttp2_bufs *bufs) {
return rv; return rv;
} }
DEBUGF(fprintf(stderr, DEBUGF("new buffer %zu bytes allocated for bufs %p, used %zu\n",
"new buffer %zu bytes allocated for bufs %p, used %zu\n", bufs->chunk_length, bufs, bufs->chunk_used);
bufs->chunk_length, bufs, bufs->chunk_used));
++bufs->chunk_used; ++bufs->chunk_used;

58
lib/nghttp2_debug.c Normal file
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@ -0,0 +1,58 @@
/*
* nghttp2 - HTTP/2 C Library
*
* Copyright (c) 2016 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 "nghttp2_debug.h"
#include <stdio.h>
#ifdef DEBUGBUILD
static void nghttp2_default_debug_vfprintf_callback(const char *fmt,
va_list args) {
vfprintf(stderr, fmt, args);
}
static nghttp2_debug_vprintf_callback static_debug_vprintf_callback =
nghttp2_default_debug_vfprintf_callback;
void nghttp2_debug_vprintf(const char *format, ...) {
if (static_debug_vprintf_callback) {
va_list args;
va_start(args, format);
static_debug_vprintf_callback(format, args);
va_end(args);
}
}
void nghttp2_set_debug_vprintf_callback(
nghttp2_debug_vprintf_callback debug_vprintf_callback) {
static_debug_vprintf_callback = debug_vprintf_callback;
}
#else /* !DEBUGBUILD */
void nghttp2_set_debug_vprintf_callback(
nghttp2_debug_vprintf_callback debug_vprintf_callback _U_) {}
#endif /* !DEBUGBUILD */

17
lib/nghttp2_frame.c
View File

@ -32,6 +32,7 @@
#include "nghttp2_helper.h" #include "nghttp2_helper.h"
#include "nghttp2_net.h" #include "nghttp2_net.h"
#include "nghttp2_priority_spec.h" #include "nghttp2_priority_spec.h"
#include "nghttp2_debug.h"
void nghttp2_frame_pack_frame_hd(uint8_t *buf, const nghttp2_frame_hd *hd) { void nghttp2_frame_pack_frame_hd(uint8_t *buf, const nghttp2_frame_hd *hd) {
nghttp2_put_uint32be(&buf[0], (uint32_t)(hd->length << 8)); nghttp2_put_uint32be(&buf[0], (uint32_t)(hd->length << 8));
@ -252,8 +253,7 @@ static int frame_pack_headers_shared(nghttp2_bufs *bufs,
hd = *frame_hd; hd = *frame_hd;
hd.length = nghttp2_buf_len(buf); hd.length = nghttp2_buf_len(buf);
DEBUGF(fprintf(stderr, "send: HEADERS/PUSH_PROMISE, payloadlen=%zu\n", DEBUGF("send: HEADERS/PUSH_PROMISE, payloadlen=%zu\n", hd.length);
hd.length));
/* We have multiple frame buffers, which means one or more /* We have multiple frame buffers, which means one or more
CONTINUATION frame is involved. Remove END_HEADERS flag from the CONTINUATION frame is involved. Remove END_HEADERS flag from the
@ -278,8 +278,7 @@ static int frame_pack_headers_shared(nghttp2_bufs *bufs,
hd.length = nghttp2_buf_len(buf); hd.length = nghttp2_buf_len(buf);
DEBUGF(fprintf(stderr, "send: int CONTINUATION, payloadlen=%zu\n", DEBUGF("send: int CONTINUATION, payloadlen=%zu\n", hd.length);
hd.length));
buf->pos -= NGHTTP2_FRAME_HDLEN; buf->pos -= NGHTTP2_FRAME_HDLEN;
nghttp2_frame_pack_frame_hd(buf->pos, &hd); nghttp2_frame_pack_frame_hd(buf->pos, &hd);
@ -290,8 +289,7 @@ static int frame_pack_headers_shared(nghttp2_bufs *bufs,
/* Set END_HEADERS flag for last CONTINUATION */ /* Set END_HEADERS flag for last CONTINUATION */
hd.flags = NGHTTP2_FLAG_END_HEADERS; hd.flags = NGHTTP2_FLAG_END_HEADERS;
DEBUGF(fprintf(stderr, "send: last CONTINUATION, payloadlen=%zu\n", DEBUGF("send: last CONTINUATION, payloadlen=%zu\n", hd.length);
hd.length));
buf->pos -= NGHTTP2_FRAME_HDLEN; buf->pos -= NGHTTP2_FRAME_HDLEN;
nghttp2_frame_pack_frame_hd(buf->pos, &hd); nghttp2_frame_pack_frame_hd(buf->pos, &hd);
@ -930,7 +928,7 @@ static void frame_set_pad(nghttp2_buf *buf, size_t padlen, int framehd_only) {
size_t trail_padlen; size_t trail_padlen;
size_t newlen; size_t newlen;
DEBUGF(fprintf(stderr, "send: padlen=%zu, shift left 1 bytes\n", padlen)); DEBUGF("send: padlen=%zu, shift left 1 bytes\n", padlen);
memmove(buf->pos - 1, buf->pos, NGHTTP2_FRAME_HDLEN); memmove(buf->pos - 1, buf->pos, NGHTTP2_FRAME_HDLEN);
@ -960,7 +958,7 @@ int nghttp2_frame_add_pad(nghttp2_bufs *bufs, nghttp2_frame_hd *hd,
nghttp2_buf *buf; nghttp2_buf *buf;
if (padlen == 0) { if (padlen == 0) {
DEBUGF(fprintf(stderr, "send: padlen = 0, nothing to do\n")); DEBUGF("send: padlen = 0, nothing to do\n");
return 0; return 0;
} }
@ -994,8 +992,7 @@ int nghttp2_frame_add_pad(nghttp2_bufs *bufs, nghttp2_frame_hd *hd,
hd->length += padlen; hd->length += padlen;
hd->flags |= NGHTTP2_FLAG_PADDED; hd->flags |= NGHTTP2_FLAG_PADDED;
DEBUGF(fprintf(stderr, "send: final payloadlen=%zu, padlen=%zu\n", hd->length, DEBUGF("send: final payloadlen=%zu, padlen=%zu\n", hd->length, padlen);
padlen));
return 0; return 0;
} }

136
lib/nghttp2_hd.c
View File

@ -30,6 +30,7 @@
#include "nghttp2_helper.h" #include "nghttp2_helper.h"
#include "nghttp2_int.h" #include "nghttp2_int.h"
#include "nghttp2_debug.h"
/* Make scalar initialization form of nghttp2_hd_entry */ /* Make scalar initialization form of nghttp2_hd_entry */
#define MAKE_STATIC_ENT(N, V, T, H) \ #define MAKE_STATIC_ENT(N, V, T, H) \
@ -769,8 +770,8 @@ static size_t entry_room(size_t namelen, size_t valuelen) {
} }
static void emit_header(nghttp2_hd_nv *nv_out, nghttp2_hd_nv *nv) { static void emit_header(nghttp2_hd_nv *nv_out, nghttp2_hd_nv *nv) {
DEBUGF(fprintf(stderr, "inflatehd: header emission: %s: %s\n", nv->name->base, DEBUGF("inflatehd: header emission: %s: %s\n", nv->name->base,
nv->value->base)); nv->value->base);
/* ent->ref may be 0. This happens if the encoder emits literal /* ent->ref may be 0. This happens if the encoder emits literal
block larger than header table capacity with indexing. */ block larger than header table capacity with indexing. */
*nv_out = *nv; *nv_out = *nv;
@ -864,14 +865,14 @@ static ssize_t decode_length(uint32_t *res, size_t *shift_ptr, int *final,
uint32_t add = *in & 0x7f; uint32_t add = *in & 0x7f;
if ((UINT32_MAX >> shift) < add) { if ((UINT32_MAX >> shift) < add) {
DEBUGF(fprintf(stderr, "inflate: integer overflow on shift\n")); DEBUGF("inflate: integer overflow on shift\n");
return -1; return -1;
} }
add <<= shift; add <<= shift;
if (UINT32_MAX - add < n) { if (UINT32_MAX - add < n) {
DEBUGF(fprintf(stderr, "inflate: integer overflow on addition\n")); DEBUGF("inflate: integer overflow on addition\n");
return -1; return -1;
} }
@ -900,7 +901,7 @@ static int emit_table_size(nghttp2_bufs *bufs, size_t table_size) {
size_t blocklen; size_t blocklen;
uint8_t sb[16]; uint8_t sb[16];
DEBUGF(fprintf(stderr, "deflatehd: emit table_size=%zu\n", table_size)); DEBUGF("deflatehd: emit table_size=%zu\n", table_size);
blocklen = count_encoded_length(table_size, 5); blocklen = count_encoded_length(table_size, 5);
@ -930,8 +931,7 @@ static int emit_indexed_block(nghttp2_bufs *bufs, size_t idx) {
blocklen = count_encoded_length(idx + 1, 7); blocklen = count_encoded_length(idx + 1, 7);
DEBUGF(fprintf(stderr, "deflatehd: emit indexed index=%zu, %zu bytes\n", idx, DEBUGF("deflatehd: emit indexed index=%zu, %zu bytes\n", idx, blocklen);
blocklen));
if (sizeof(sb) < blocklen) { if (sizeof(sb) < blocklen) {
return NGHTTP2_ERR_HEADER_COMP; return NGHTTP2_ERR_HEADER_COMP;
@ -967,10 +967,9 @@ static int emit_string(nghttp2_bufs *bufs, const uint8_t *str, size_t len) {
blocklen = count_encoded_length(enclen, 7); blocklen = count_encoded_length(enclen, 7);
DEBUGF(fprintf(stderr, "deflatehd: emit string str=")); DEBUGF("deflatehd: emit string str=%.*s, length=%zu, huffman=%d, "
DEBUGF(fwrite(str, 1, len, stderr)); "encoded_length=%zu\n",
DEBUGF(fprintf(stderr, ", length=%zu, huffman=%d, encoded_length=%zu\n", len, (int)len, (const char *)str, len, huffman, enclen);
huffman, enclen));
if (sizeof(sb) < blocklen) { if (sizeof(sb) < blocklen) {
return NGHTTP2_ERR_HEADER_COMP; return NGHTTP2_ERR_HEADER_COMP;
@ -1025,9 +1024,8 @@ static int emit_indname_block(nghttp2_bufs *bufs, size_t idx,
prefixlen = 4; prefixlen = 4;
} }
DEBUGF(fprintf(stderr, "deflatehd: emit indname index=%zu, valuelen=%zu, " DEBUGF("deflatehd: emit indname index=%zu, valuelen=%zu, indexing_mode=%d\n",
"indexing_mode=%d\n", idx, nv->valuelen, indexing_mode);
idx, nv->valuelen, indexing_mode));
blocklen = count_encoded_length(idx + 1, prefixlen); blocklen = count_encoded_length(idx + 1, prefixlen);
@ -1058,9 +1056,9 @@ static int emit_newname_block(nghttp2_bufs *bufs, const nghttp2_nv *nv,
int indexing_mode) { int indexing_mode) {
int rv; int rv;
DEBUGF(fprintf(stderr, "deflatehd: emit newname namelen=%zu, valuelen=%zu, " DEBUGF(
"indexing_mode=%d\n", "deflatehd: emit newname namelen=%zu, valuelen=%zu, indexing_mode=%d\n",
nv->namelen, nv->valuelen, indexing_mode)); nv->namelen, nv->valuelen, indexing_mode);
rv = nghttp2_bufs_addb(bufs, pack_first_byte(indexing_mode)); rv = nghttp2_bufs_addb(bufs, pack_first_byte(indexing_mode));
if (rv != 0) { if (rv != 0) {
@ -1100,8 +1098,8 @@ static int add_hd_table_incremental(nghttp2_hd_context *context,
context->hd_table_bufsize -= context->hd_table_bufsize -=
entry_room(ent->nv.name->len, ent->nv.value->len); entry_room(ent->nv.name->len, ent->nv.value->len);
DEBUGF(fprintf(stderr, "hpack: remove item from header table: %s: %s\n", DEBUGF("hpack: remove item from header table: %s: %s\n",
(char *)ent->nv.name->base, (char *)ent->nv.value->base)); (char *)ent->nv.name->base, (char *)ent->nv.value->base);
hd_ringbuf_pop_back(&context->hd_table); hd_ringbuf_pop_back(&context->hd_table);
if (map) { if (map) {
@ -1329,8 +1327,8 @@ static int deflate_nv(nghttp2_hd_deflater *deflater, nghttp2_bufs *bufs,
nghttp2_mem *mem; nghttp2_mem *mem;
uint32_t hash = 0; uint32_t hash = 0;
DEBUGF(fprintf(stderr, "deflatehd: deflating %.*s: %.*s\n", (int)nv->namelen, DEBUGF("deflatehd: deflating %.*s: %.*s\n", (int)nv->namelen, nv->name,
nv->name, (int)nv->valuelen, nv->value)); (int)nv->valuelen, nv->value);
mem = deflater->ctx.mem; mem = deflater->ctx.mem;
@ -1359,7 +1357,7 @@ static int deflate_nv(nghttp2_hd_deflater *deflater, nghttp2_bufs *bufs,
if (res.name_value_match) { if (res.name_value_match) {
DEBUGF(fprintf(stderr, "deflatehd: name/value match index=%zd\n", idx)); DEBUGF("deflatehd: name/value match index=%zd\n", idx);
rv = emit_indexed_block(bufs, (size_t)idx); rv = emit_indexed_block(bufs, (size_t)idx);
if (rv != 0) { if (rv != 0) {
@ -1370,7 +1368,7 @@ static int deflate_nv(nghttp2_hd_deflater *deflater, nghttp2_bufs *bufs,
} }
if (res.index != -1) { if (res.index != -1) {
DEBUGF(fprintf(stderr, "deflatehd: name match index=%zd\n", res.index)); DEBUGF("deflatehd: name match index=%zd\n", res.index);
} }
if (indexing_mode == NGHTTP2_HD_WITH_INDEXING) { if (indexing_mode == NGHTTP2_HD_WITH_INDEXING) {
@ -1458,12 +1456,11 @@ int nghttp2_hd_deflate_hd_bufs(nghttp2_hd_deflater *deflater,
} }
} }
DEBUGF( DEBUGF("deflatehd: all input name/value pairs were deflated\n");
fprintf(stderr, "deflatehd: all input name/value pairs were deflated\n"));
return 0; return 0;
fail: fail:
DEBUGF(fprintf(stderr, "deflatehd: error return %d\n", rv)); DEBUGF("deflatehd: error return %d\n", rv);
deflater->ctx.bad = 1; deflater->ctx.bad = 1;
return rv; return rv;
@ -1635,19 +1632,18 @@ static ssize_t hd_inflate_read_len(nghttp2_hd_inflater *inflater, int *rfin,
inflater->shift, in, last, prefix); inflater->shift, in, last, prefix);
if (rv == -1) { if (rv == -1) {
DEBUGF(fprintf(stderr, "inflatehd: integer decoding failed\n")); DEBUGF("inflatehd: integer decoding failed\n");
return NGHTTP2_ERR_HEADER_COMP; return NGHTTP2_ERR_HEADER_COMP;
} }
if (out > maxlen) { if (out > maxlen) {
DEBUGF(fprintf( DEBUGF("inflatehd: integer exceeded the maximum value %zu\n", maxlen);
stderr, "inflatehd: integer exceeded the maximum value %zu\n", maxlen));
return NGHTTP2_ERR_HEADER_COMP; return NGHTTP2_ERR_HEADER_COMP;
} }
inflater->left = out; inflater->left = out;
DEBUGF(fprintf(stderr, "inflatehd: decoded integer is %u\n", out)); DEBUGF("inflatehd: decoded integer is %u\n", out);
return rv; return rv;
} }
@ -1678,7 +1674,7 @@ static ssize_t hd_inflate_read_huff(nghttp2_hd_inflater *inflater,
(size_t)(last - in), final); (size_t)(last - in), final);
if (readlen < 0) { if (readlen < 0) {
DEBUGF(fprintf(stderr, "inflatehd: huffman decoding failed\n")); DEBUGF("inflatehd: huffman decoding failed\n");
return readlen; return readlen;
} }
inflater->left -= (size_t)readlen; inflater->left -= (size_t)readlen;
@ -1859,7 +1855,7 @@ ssize_t nghttp2_hd_inflate_hd_nv(nghttp2_hd_inflater *inflater,
return NGHTTP2_ERR_HEADER_COMP; return NGHTTP2_ERR_HEADER_COMP;
} }
DEBUGF(fprintf(stderr, "inflatehd: start state=%d\n", inflater->state)); DEBUGF("inflatehd: start state=%d\n", inflater->state);
hd_inflate_keep_free(inflater); hd_inflate_keep_free(inflater);
*inflate_flags = NGHTTP2_HD_INFLATE_NONE; *inflate_flags = NGHTTP2_HD_INFLATE_NONE;
for (; in != last || busy;) { for (; in != last || busy;) {
@ -1867,9 +1863,9 @@ ssize_t nghttp2_hd_inflate_hd_nv(nghttp2_hd_inflater *inflater,
switch (inflater->state) { switch (inflater->state) {
case NGHTTP2_HD_STATE_EXPECT_TABLE_SIZE: case NGHTTP2_HD_STATE_EXPECT_TABLE_SIZE:
if ((*in & 0xe0u) != 0x20u) { if ((*in & 0xe0u) != 0x20u) {
DEBUGF(fprintf(stderr, "inflatehd: header table size change was " DEBUGF("inflatehd: header table size change was expected, but saw "
"expected, but saw 0x%02x as first byte", "0x%02x as first byte",
*in)); *in);
rv = NGHTTP2_ERR_HEADER_COMP; rv = NGHTTP2_ERR_HEADER_COMP;
goto fail; goto fail;
} }
@ -1877,35 +1873,33 @@ ssize_t nghttp2_hd_inflate_hd_nv(nghttp2_hd_inflater *inflater,
case NGHTTP2_HD_STATE_INFLATE_START: case NGHTTP2_HD_STATE_INFLATE_START:
case NGHTTP2_HD_STATE_OPCODE: case NGHTTP2_HD_STATE_OPCODE:
if ((*in & 0xe0u) == 0x20u) { if ((*in & 0xe0u) == 0x20u) {
DEBUGF(fprintf(stderr, "inflatehd: header table size change\n")); DEBUGF("inflatehd: header table size change\n");
if (inflater->state == NGHTTP2_HD_STATE_OPCODE) { if (inflater->state == NGHTTP2_HD_STATE_OPCODE) {
DEBUGF(fprintf(stderr, "inflatehd: header table size change must " DEBUGF("inflatehd: header table size change must appear at the head "
"appear at the head of header block\n")); "of header block\n");
rv = NGHTTP2_ERR_HEADER_COMP; rv = NGHTTP2_ERR_HEADER_COMP;
goto fail; goto fail;
} }
inflater->opcode = NGHTTP2_HD_OPCODE_INDEXED; inflater->opcode = NGHTTP2_HD_OPCODE_INDEXED;
inflater->state = NGHTTP2_HD_STATE_READ_TABLE_SIZE; inflater->state = NGHTTP2_HD_STATE_READ_TABLE_SIZE;
} else if (*in & 0x80u) { } else if (*in & 0x80u) {
DEBUGF(fprintf(stderr, "inflatehd: indexed repr\n")); DEBUGF("inflatehd: indexed repr\n");
inflater->opcode = NGHTTP2_HD_OPCODE_INDEXED; inflater->opcode = NGHTTP2_HD_OPCODE_INDEXED;
inflater->state = NGHTTP2_HD_STATE_READ_INDEX; inflater->state = NGHTTP2_HD_STATE_READ_INDEX;
} else { } else {
if (*in == 0x40u || *in == 0 || *in == 0x10u) { if (*in == 0x40u || *in == 0 || *in == 0x10u) {
DEBUGF( DEBUGF("inflatehd: literal header repr - new name\n");
fprintf(stderr, "inflatehd: literal header repr - new name\n"));
inflater->opcode = NGHTTP2_HD_OPCODE_NEWNAME; inflater->opcode = NGHTTP2_HD_OPCODE_NEWNAME;
inflater->state = NGHTTP2_HD_STATE_NEWNAME_CHECK_NAMELEN; inflater->state = NGHTTP2_HD_STATE_NEWNAME_CHECK_NAMELEN;
} else { } else {
DEBUGF(fprintf(stderr, DEBUGF("inflatehd: literal header repr - indexed name\n");
"inflatehd: literal header repr - indexed name\n"));
inflater->opcode = NGHTTP2_HD_OPCODE_INDNAME; inflater->opcode = NGHTTP2_HD_OPCODE_INDNAME;
inflater->state = NGHTTP2_HD_STATE_READ_INDEX; inflater->state = NGHTTP2_HD_STATE_READ_INDEX;
} }
inflater->index_required = (*in & 0x40) != 0; inflater->index_required = (*in & 0x40) != 0;
inflater->no_index = (*in & 0xf0u) == 0x10u; inflater->no_index = (*in & 0xf0u) == 0x10u;
DEBUGF(fprintf(stderr, "inflatehd: indexing required=%d, no_index=%d\n", DEBUGF("inflatehd: indexing required=%d, no_index=%d\n",
inflater->index_required, inflater->no_index)); inflater->index_required, inflater->no_index);
if (inflater->opcode == NGHTTP2_HD_OPCODE_NEWNAME) { if (inflater->opcode == NGHTTP2_HD_OPCODE_NEWNAME) {
++in; ++in;
} }
@ -1926,7 +1920,7 @@ ssize_t nghttp2_hd_inflate_hd_nv(nghttp2_hd_inflater *inflater,
if (!rfin) { if (!rfin) {
goto almost_ok; goto almost_ok;
} }
DEBUGF(fprintf(stderr, "inflatehd: table_size=%zu\n", inflater->left)); DEBUGF("inflatehd: table_size=%zu\n", inflater->left);
inflater->min_hd_table_bufsize_max = UINT32_MAX; inflater->min_hd_table_bufsize_max = UINT32_MAX;
inflater->ctx.hd_table_bufsize_max = inflater->left; inflater->ctx.hd_table_bufsize_max = inflater->left;
hd_context_shrink_table_size(&inflater->ctx, NULL); hd_context_shrink_table_size(&inflater->ctx, NULL);
@ -1961,7 +1955,7 @@ ssize_t nghttp2_hd_inflate_hd_nv(nghttp2_hd_inflater *inflater,
goto fail; goto fail;
} }
DEBUGF(fprintf(stderr, "inflatehd: index=%zu\n", inflater->left)); DEBUGF("inflatehd: index=%zu\n", inflater->left);
if (inflater->opcode == NGHTTP2_HD_OPCODE_INDEXED) { if (inflater->opcode == NGHTTP2_HD_OPCODE_INDEXED) {
inflater->index = inflater->left; inflater->index = inflater->left;
--inflater->index; --inflater->index;
@ -1984,8 +1978,7 @@ ssize_t nghttp2_hd_inflate_hd_nv(nghttp2_hd_inflater *inflater,
inflater->state = NGHTTP2_HD_STATE_NEWNAME_READ_NAMELEN; inflater->state = NGHTTP2_HD_STATE_NEWNAME_READ_NAMELEN;
inflater->left = 0; inflater->left = 0;
inflater->shift = 0; inflater->shift = 0;
DEBUGF(fprintf(stderr, "inflatehd: huffman encoded=%d\n", DEBUGF("inflatehd: huffman encoded=%d\n", inflater->huffman_encoded != 0);
inflater->huffman_encoded != 0));
/* Fall through */ /* Fall through */
case NGHTTP2_HD_STATE_NEWNAME_READ_NAMELEN: case NGHTTP2_HD_STATE_NEWNAME_READ_NAMELEN:
rfin = 0; rfin = 0;
@ -1995,9 +1988,8 @@ ssize_t nghttp2_hd_inflate_hd_nv(nghttp2_hd_inflater *inflater,
} }
in += rv; in += rv;
if (!rfin) { if (!rfin) {
DEBUGF(fprintf(stderr, DEBUGF("inflatehd: integer not fully decoded. current=%zu\n",
"inflatehd: integer not fully decoded. current=%zu\n", inflater->left);
inflater->left));
goto almost_ok; goto almost_ok;
} }
@ -2030,11 +2022,10 @@ ssize_t nghttp2_hd_inflate_hd_nv(nghttp2_hd_inflater *inflater,
in += rv; in += rv;
DEBUGF(fprintf(stderr, "inflatehd: %zd bytes read\n", rv)); DEBUGF("inflatehd: %zd bytes read\n", rv);
if (inflater->left) { if (inflater->left) {
DEBUGF(fprintf(stderr, "inflatehd: still %zu bytes to go\n", DEBUGF("inflatehd: still %zu bytes to go\n", inflater->left);
inflater->left));
goto almost_ok; goto almost_ok;
} }
@ -2053,10 +2044,9 @@ ssize_t nghttp2_hd_inflate_hd_nv(nghttp2_hd_inflater *inflater,
in += rv; in += rv;
DEBUGF(fprintf(stderr, "inflatehd: %zd bytes read\n", rv)); DEBUGF("inflatehd: %zd bytes read\n", rv);
if (inflater->left) { if (inflater->left) {
DEBUGF(fprintf(stderr, "inflatehd: still %zu bytes to go\n", DEBUGF("inflatehd: still %zu bytes to go\n", inflater->left);
inflater->left));
goto almost_ok; goto almost_ok;
} }
@ -2072,8 +2062,7 @@ ssize_t nghttp2_hd_inflate_hd_nv(nghttp2_hd_inflater *inflater,
inflater->state = NGHTTP2_HD_STATE_READ_VALUELEN; inflater->state = NGHTTP2_HD_STATE_READ_VALUELEN;
inflater->left = 0; inflater->left = 0;
inflater->shift = 0; inflater->shift = 0;
DEBUGF(fprintf(stderr, "inflatehd: huffman encoded=%d\n", DEBUGF("inflatehd: huffman encoded=%d\n", inflater->huffman_encoded != 0);
inflater->huffman_encoded != 0));
/* Fall through */ /* Fall through */
case NGHTTP2_HD_STATE_READ_VALUELEN: case NGHTTP2_HD_STATE_READ_VALUELEN:
rfin = 0; rfin = 0;
@ -2088,7 +2077,7 @@ ssize_t nghttp2_hd_inflate_hd_nv(nghttp2_hd_inflater *inflater,
goto almost_ok; goto almost_ok;
} }
DEBUGF(fprintf(stderr, "inflatehd: valuelen=%zu\n", inflater->left)); DEBUGF("inflatehd: valuelen=%zu\n", inflater->left);
if (inflater->huffman_encoded) { if (inflater->huffman_encoded) {
nghttp2_hd_huff_decode_context_init(&inflater->huff_decode_ctx); nghttp2_hd_huff_decode_context_init(&inflater->huff_decode_ctx);
@ -2121,11 +2110,10 @@ ssize_t nghttp2_hd_inflate_hd_nv(nghttp2_hd_inflater *inflater,
in += rv; in += rv;
DEBUGF(fprintf(stderr, "inflatehd: %zd bytes read\n", rv)); DEBUGF("inflatehd: %zd bytes read\n", rv);
if (inflater->left) { if (inflater->left) {
DEBUGF(fprintf(stderr, "inflatehd: still %zu bytes to go\n", DEBUGF("inflatehd: still %zu bytes to go\n", inflater->left);
inflater->left));
goto almost_ok; goto almost_ok;
} }
@ -2150,18 +2138,17 @@ ssize_t nghttp2_hd_inflate_hd_nv(nghttp2_hd_inflater *inflater,
case NGHTTP2_HD_STATE_READ_VALUE: case NGHTTP2_HD_STATE_READ_VALUE:
rv = hd_inflate_read(inflater, &inflater->valuebuf, in, last); rv = hd_inflate_read(inflater, &inflater->valuebuf, in, last);
if (rv < 0) { if (rv < 0) {
DEBUGF(fprintf(stderr, "inflatehd: value read failure %zd: %s\n", rv, DEBUGF("inflatehd: value read failure %zd: %s\n", rv,
nghttp2_strerror((int)rv))); nghttp2_strerror((int)rv));
goto fail; goto fail;
} }
in += rv; in += rv;
DEBUGF(fprintf(stderr, "inflatehd: %zd bytes read\n", rv)); DEBUGF("inflatehd: %zd bytes read\n", rv);
if (inflater->left) { if (inflater->left) {
DEBUGF(fprintf(stderr, "inflatehd: still %zu bytes to go\n", DEBUGF("inflatehd: still %zu bytes to go\n", inflater->left);
inflater->left));
goto almost_ok; goto almost_ok;
} }
@ -2187,15 +2174,14 @@ ssize_t nghttp2_hd_inflate_hd_nv(nghttp2_hd_inflater *inflater,
assert(in == last); assert(in == last);
DEBUGF(fprintf(stderr, "inflatehd: all input bytes were processed\n")); DEBUGF("inflatehd: all input bytes were processed\n");
if (in_final) { if (in_final) {
DEBUGF(fprintf(stderr, "inflatehd: in_final set\n")); DEBUGF("inflatehd: in_final set\n");
if (inflater->state != NGHTTP2_HD_STATE_OPCODE && if (inflater->state != NGHTTP2_HD_STATE_OPCODE &&
inflater->state != NGHTTP2_HD_STATE_INFLATE_START) { inflater->state != NGHTTP2_HD_STATE_INFLATE_START) {
DEBUGF(fprintf(stderr, "inflatehd: unacceptable state=%d\n", DEBUGF("inflatehd: unacceptable state=%d\n", inflater->state);
inflater->state));
rv = NGHTTP2_ERR_HEADER_COMP; rv = NGHTTP2_ERR_HEADER_COMP;
goto fail; goto fail;
@ -2206,7 +2192,7 @@ ssize_t nghttp2_hd_inflate_hd_nv(nghttp2_hd_inflater *inflater,
almost_ok: almost_ok:
if (in_final) { if (in_final) {
DEBUGF(fprintf(stderr, "inflatehd: input ended prematurely\n")); DEBUGF("inflatehd: input ended prematurely\n");
rv = NGHTTP2_ERR_HEADER_COMP; rv = NGHTTP2_ERR_HEADER_COMP;
@ -2215,7 +2201,7 @@ almost_ok:
return (ssize_t)(in - first); return (ssize_t)(in - first);
fail: fail:
DEBUGF(fprintf(stderr, "inflatehd: error return %zd\n", rv)); DEBUGF("inflatehd: error return %zd\n", rv);
inflater->ctx.bad = 1; inflater->ctx.bad = 1;
return rv; return rv;

10
lib/nghttp2_int.h
View File

@ -29,15 +29,9 @@
#include <config.h> #include <config.h>
#endif /* HAVE_CONFIG_H */ #endif /* HAVE_CONFIG_H */
/* Macros, types and constants for internal use */ #include <nghttp2/nghttp2.h>
#ifdef DEBUGBUILD /* Macros, types and constants for internal use */
#define DEBUGF(x) x
#else
#define DEBUGF(x) \
do { \
} while (0)
#endif
/* "less" function, return nonzero if |lhs| is less than |rhs|. */ /* "less" function, return nonzero if |lhs| is less than |rhs|. */
typedef int (*nghttp2_less)(const void *lhs, const void *rhs); typedef int (*nghttp2_less)(const void *lhs, const void *rhs);

293
lib/nghttp2_session.c
View File

@ -36,6 +36,7 @@
#include "nghttp2_option.h" #include "nghttp2_option.h"
#include "nghttp2_http.h" #include "nghttp2_http.h"
#include "nghttp2_pq.h" #include "nghttp2_pq.h"
#include "nghttp2_debug.h"
/* /*
* Returns non-zero if the number of outgoing opened streams is larger * Returns non-zero if the number of outgoing opened streams is larger
@ -184,9 +185,7 @@ static int session_call_error_callback(nghttp2_session *session,
/* vsnprintf may return error because of various things we can /* vsnprintf may return error because of various things we can
imagine, but typically we don't want to drop session just for imagine, but typically we don't want to drop session just for
debug callback. */ debug callback. */
DEBUGF(fprintf(stderr, DEBUGF("error_callback: vsnprintf failed. The template was %s\n", fmt);
"error_callback: vsnprintf failed. The template was %s\n",
fmt));
return 0; return 0;
} }
@ -373,8 +372,8 @@ static void init_settings(nghttp2_settings_storage *settings) {
static void active_outbound_item_reset(nghttp2_active_outbound_item *aob, static void active_outbound_item_reset(nghttp2_active_outbound_item *aob,
nghttp2_mem *mem) { nghttp2_mem *mem) {
DEBUGF(fprintf(stderr, "send: reset nghttp2_active_outbound_item\n")); DEBUGF("send: reset nghttp2_active_outbound_item\n");
DEBUGF(fprintf(stderr, "send: aob->item = %p\n", aob->item)); DEBUGF("send: aob->item = %p\n", aob->item);
nghttp2_outbound_item_free(aob->item, mem); nghttp2_outbound_item_free(aob->item, mem);
nghttp2_mem_free(mem, aob->item); nghttp2_mem_free(mem, aob->item);
aob->item = NULL; aob->item = NULL;
@ -773,10 +772,8 @@ int nghttp2_session_reprioritize_stream(
if (pri_spec->stream_id == 0) { if (pri_spec->stream_id == 0) {
dep_stream = &session->root; dep_stream = &session->root;
} else if (nghttp2_stream_dep_find_ancestor(dep_stream, stream)) { } else if (nghttp2_stream_dep_find_ancestor(dep_stream, stream)) {
DEBUGF(fprintf(stderr, "stream: cycle detected, dep_stream(%p)=%d " DEBUGF("stream: cycle detected, dep_stream(%p)=%d stream(%p)=%d\n",
"stream(%p)=%d\n", dep_stream, dep_stream->stream_id, stream, stream->stream_id);
dep_stream, dep_stream->stream_id, stream,
stream->stream_id));
nghttp2_stream_dep_remove_subtree(dep_stream); nghttp2_stream_dep_remove_subtree(dep_stream);
rv = nghttp2_stream_dep_add_subtree(stream->dep_prev, dep_stream); rv = nghttp2_stream_dep_add_subtree(stream->dep_prev, dep_stream);
@ -1125,8 +1122,7 @@ int nghttp2_session_close_stream(nghttp2_session *session, int32_t stream_id,
return NGHTTP2_ERR_INVALID_ARGUMENT; return NGHTTP2_ERR_INVALID_ARGUMENT;
} }
DEBUGF(fprintf(stderr, "stream: stream(%p)=%d close\n", stream, DEBUGF("stream: stream(%p)=%d close\n", stream, stream->stream_id);
stream->stream_id));
if (stream->item) { if (stream->item) {
nghttp2_outbound_item *item; nghttp2_outbound_item *item;
@ -1204,8 +1200,7 @@ int nghttp2_session_destroy_stream(nghttp2_session *session,
nghttp2_mem *mem; nghttp2_mem *mem;
int rv; int rv;
DEBUGF(fprintf(stderr, "stream: destroy closed stream(%p)=%d\n", stream, DEBUGF("stream: destroy closed stream(%p)=%d\n", stream, stream->stream_id);
stream->stream_id));
mem = &session->mem; mem = &session->mem;
@ -1225,8 +1220,8 @@ int nghttp2_session_destroy_stream(nghttp2_session *session,
void nghttp2_session_keep_closed_stream(nghttp2_session *session, void nghttp2_session_keep_closed_stream(nghttp2_session *session,
nghttp2_stream *stream) { nghttp2_stream *stream) {
DEBUGF(fprintf(stderr, "stream: keep closed stream(%p)=%d, state=%d\n", DEBUGF("stream: keep closed stream(%p)=%d, state=%d\n", stream,
stream, stream->stream_id, stream->state)); stream->stream_id, stream->state);
if (session->closed_stream_tail) { if (session->closed_stream_tail) {
session->closed_stream_tail->closed_next = stream; session->closed_stream_tail->closed_next = stream;
@ -1241,8 +1236,8 @@ void nghttp2_session_keep_closed_stream(nghttp2_session *session,
void nghttp2_session_keep_idle_stream(nghttp2_session *session, void nghttp2_session_keep_idle_stream(nghttp2_session *session,
nghttp2_stream *stream) { nghttp2_stream *stream) {
DEBUGF(fprintf(stderr, "stream: keep idle stream(%p)=%d, state=%d\n", stream, DEBUGF("stream: keep idle stream(%p)=%d, state=%d\n", stream,
stream->stream_id, stream->state)); stream->stream_id, stream->state);
if (session->idle_stream_tail) { if (session->idle_stream_tail) {
session->idle_stream_tail->closed_next = stream; session->idle_stream_tail->closed_next = stream;
@ -1259,8 +1254,8 @@ void nghttp2_session_detach_idle_stream(nghttp2_session *session,
nghttp2_stream *stream) { nghttp2_stream *stream) {
nghttp2_stream *prev_stream, *next_stream; nghttp2_stream *prev_stream, *next_stream;
DEBUGF(fprintf(stderr, "stream: detach idle stream(%p)=%d, state=%d\n", DEBUGF("stream: detach idle stream(%p)=%d, state=%d\n", stream,
stream, stream->stream_id, stream->state)); stream->stream_id, stream->state);
prev_stream = stream->closed_prev; prev_stream = stream->closed_prev;
next_stream = stream->closed_next; next_stream = stream->closed_next;
@ -1294,11 +1289,10 @@ int nghttp2_session_adjust_closed_stream(nghttp2_session *session) {
num_stream_max = session->local_settings.max_concurrent_streams; num_stream_max = session->local_settings.max_concurrent_streams;
} }
DEBUGF(fprintf(stderr, "stream: adjusting kept closed streams " DEBUGF("stream: adjusting kept closed streams num_closed_streams=%zu, "
"num_closed_streams=%zu, num_incoming_streams=%zu, " "num_incoming_streams=%zu, max_concurrent_streams=%zu\n",
"max_concurrent_streams=%zu\n", session->num_closed_streams, session->num_incoming_streams,
session->num_closed_streams, session->num_incoming_streams, num_stream_max);
num_stream_max));
while (session->num_closed_streams > 0 && while (session->num_closed_streams > 0 &&
session->num_closed_streams + session->num_incoming_streams > session->num_closed_streams + session->num_incoming_streams >
@ -1344,9 +1338,8 @@ int nghttp2_session_adjust_idle_stream(nghttp2_session *session) {
16, nghttp2_min(session->local_settings.max_concurrent_streams, 16, nghttp2_min(session->local_settings.max_concurrent_streams,
session->pending_local_max_concurrent_stream))); session->pending_local_max_concurrent_stream)));
DEBUGF(fprintf(stderr, "stream: adjusting kept idle streams " DEBUGF("stream: adjusting kept idle streams num_idle_streams=%zu, max=%zu\n",
"num_idle_streams=%zu, max=%zu\n", session->num_idle_streams, max);
session->num_idle_streams, max));
while (session->num_idle_streams > max) { while (session->num_idle_streams > max) {
nghttp2_stream *head; nghttp2_stream *head;
@ -1741,11 +1734,10 @@ static ssize_t
nghttp2_session_enforce_flow_control_limits(nghttp2_session *session, nghttp2_session_enforce_flow_control_limits(nghttp2_session *session,
nghttp2_stream *stream, nghttp2_stream *stream,
ssize_t requested_window_size) { ssize_t requested_window_size) {
DEBUGF(fprintf(stderr, "send: remote windowsize connection=%d, " DEBUGF("send: remote windowsize connection=%d, remote maxframsize=%u, "
"remote maxframsize=%u, stream(id %d)=%d\n", "stream(id %d)=%d\n",
session->remote_window_size, session->remote_window_size, session->remote_settings.max_frame_size,
session->remote_settings.max_frame_size, stream->stream_id, stream->stream_id, stream->remote_window_size);
stream->remote_window_size));
return nghttp2_min(nghttp2_min(nghttp2_min(requested_window_size, return nghttp2_min(nghttp2_min(nghttp2_min(requested_window_size,
stream->remote_window_size), stream->remote_window_size),
@ -1766,7 +1758,7 @@ static size_t nghttp2_session_next_data_read(nghttp2_session *session,
window_size = nghttp2_session_enforce_flow_control_limits( window_size = nghttp2_session_enforce_flow_control_limits(
session, stream, NGHTTP2_DATA_PAYLOADLEN); session, stream, NGHTTP2_DATA_PAYLOADLEN);
DEBUGF(fprintf(stderr, "send: available window=%zd\n", window_size)); DEBUGF("send: available window=%zd\n", window_size);
return window_size > 0 ? (size_t)window_size : 0; return window_size > 0 ? (size_t)window_size : 0;
} }
@ -1873,8 +1865,8 @@ static int session_headers_add_pad(nghttp2_session *session,
padlen = (size_t)padded_payloadlen - frame->hd.length; padlen = (size_t)padded_payloadlen - frame->hd.length;
DEBUGF(fprintf(stderr, "send: padding selected: payloadlen=%zd, padlen=%zu\n", DEBUGF("send: padding selected: payloadlen=%zd, padlen=%zu\n",
padded_payloadlen, padlen)); padded_payloadlen, padlen);
rv = nghttp2_frame_add_pad(framebufs, &frame->hd, padlen, 0); rv = nghttp2_frame_add_pad(framebufs, &frame->hd, padlen, 0);
@ -2122,9 +2114,8 @@ static int session_prep_frame(nghttp2_session *session,
return rv; return rv;
} }
DEBUGF(fprintf(stderr, DEBUGF("send: before padding, HEADERS serialized in %zd bytes\n",
"send: before padding, HEADERS serialized in %zd bytes\n", nghttp2_bufs_len(&session->aob.framebufs));
nghttp2_bufs_len(&session->aob.framebufs)));
rv = session_headers_add_pad(session, frame); rv = session_headers_add_pad(session, frame);
@ -2132,8 +2123,8 @@ static int session_prep_frame(nghttp2_session *session,
return rv; return rv;
} }
DEBUGF(fprintf(stderr, "send: HEADERS finally serialized in %zd bytes\n", DEBUGF("send: HEADERS finally serialized in %zd bytes\n",
nghttp2_bufs_len(&session->aob.framebufs))); nghttp2_bufs_len(&session->aob.framebufs));
if (frame->headers.cat == NGHTTP2_HCAT_REQUEST) { if (frame->headers.cat == NGHTTP2_HCAT_REQUEST) {
assert(session->last_sent_stream_id < frame->hd.stream_id); assert(session->last_sent_stream_id < frame->hd.stream_id);
@ -2559,7 +2550,7 @@ static int session_after_frame_sent1(nghttp2_session *session) {
if (frame->hd.type == NGHTTP2_HEADERS || if (frame->hd.type == NGHTTP2_HEADERS ||
frame->hd.type == NGHTTP2_PUSH_PROMISE) { frame->hd.type == NGHTTP2_PUSH_PROMISE) {
if (nghttp2_bufs_next_present(framebufs)) { if (nghttp2_bufs_next_present(framebufs)) {
DEBUGF(fprintf(stderr, "send: CONTINUATION exists, just return\n")); DEBUGF("send: CONTINUATION exists, just return\n");
return 0; return 0;
} }
} }
@ -2775,8 +2766,8 @@ static int session_after_frame_sent2(nghttp2_session *session) {
if (nghttp2_bufs_next_present(framebufs)) { if (nghttp2_bufs_next_present(framebufs)) {
framebufs->cur = framebufs->cur->next; framebufs->cur = framebufs->cur->next;
DEBUGF(fprintf(stderr, "send: next CONTINUATION frame, %zu bytes\n", DEBUGF("send: next CONTINUATION frame, %zu bytes\n",
nghttp2_buf_len(&framebufs->cur->buf))); nghttp2_buf_len(&framebufs->cur->buf));
return 0; return 0;
} }
@ -2892,15 +2883,15 @@ static ssize_t nghttp2_session_mem_send_internal(nghttp2_session *session,
return 0; return 0;
} }
if (rv == NGHTTP2_ERR_DEFERRED) { if (rv == NGHTTP2_ERR_DEFERRED) {
DEBUGF(fprintf(stderr, "send: frame transmission deferred\n")); DEBUGF("send: frame transmission deferred\n");
break; break;
} }
if (rv < 0) { if (rv < 0) {
int32_t opened_stream_id = 0; int32_t opened_stream_id = 0;
uint32_t error_code = NGHTTP2_INTERNAL_ERROR; uint32_t error_code = NGHTTP2_INTERNAL_ERROR;
DEBUGF(fprintf(stderr, "send: frame preparation failed with %s\n", DEBUGF("send: frame preparation failed with %s\n",
nghttp2_strerror(rv))); nghttp2_strerror(rv));
/* TODO If the error comes from compressor, the connection /* TODO If the error comes from compressor, the connection
must be closed. */ must be closed. */
if (item->frame.hd.type != NGHTTP2_DATA && if (item->frame.hd.type != NGHTTP2_DATA &&
@ -2974,10 +2965,10 @@ static ssize_t nghttp2_session_mem_send_internal(nghttp2_session *session,
frame = &item->frame; frame = &item->frame;
DEBUGF(fprintf(stderr, "send: next frame: payloadlen=%zu, type=%u, " DEBUGF("send: next frame: payloadlen=%zu, type=%u, flags=0x%02x, "
"flags=0x%02x, stream_id=%d\n", "stream_id=%d\n",
frame->hd.length, frame->hd.type, frame->hd.flags, frame->hd.length, frame->hd.type, frame->hd.flags,
frame->hd.stream_id)); frame->hd.stream_id);
rv = session_call_before_frame_send(session, frame); rv = session_call_before_frame_send(session, frame);
if (nghttp2_is_fatal(rv)) { if (nghttp2_is_fatal(rv)) {
@ -3029,7 +3020,7 @@ static ssize_t nghttp2_session_mem_send_internal(nghttp2_session *session,
break; break;
} }
} else { } else {
DEBUGF(fprintf(stderr, "send: next frame: DATA\n")); DEBUGF("send: next frame: DATA\n");
if (item->aux_data.data.no_copy) { if (item->aux_data.data.no_copy) {
aob->state = NGHTTP2_OB_SEND_NO_COPY; aob->state = NGHTTP2_OB_SEND_NO_COPY;
@ -3037,10 +3028,9 @@ static ssize_t nghttp2_session_mem_send_internal(nghttp2_session *session,
} }
} }
DEBUGF(fprintf(stderr, DEBUGF("send: start transmitting frame type=%u, length=%zd\n",
"send: start transmitting frame type=%u, length=%zd\n", framebufs->cur->buf.pos[3],
framebufs->cur->buf.pos[3], framebufs->cur->buf.last - framebufs->cur->buf.pos);
framebufs->cur->buf.last - framebufs->cur->buf.pos));
aob->state = NGHTTP2_OB_SEND_DATA; aob->state = NGHTTP2_OB_SEND_DATA;
@ -3053,7 +3043,7 @@ static ssize_t nghttp2_session_mem_send_internal(nghttp2_session *session,
buf = &framebufs->cur->buf; buf = &framebufs->cur->buf;
if (buf->pos == buf->last) { if (buf->pos == buf->last) {
DEBUGF(fprintf(stderr, "send: end transmission of a frame\n")); DEBUGF("send: end transmission of a frame\n");
/* Frame has completely sent */ /* Frame has completely sent */
if (fast_cb) { if (fast_cb) {
@ -3090,15 +3080,13 @@ static ssize_t nghttp2_session_mem_send_internal(nghttp2_session *session,
nghttp2_frame *frame; nghttp2_frame *frame;
int pause; int pause;
DEBUGF(fprintf(stderr, "send: no copy DATA\n")); DEBUGF("send: no copy DATA\n");
frame = &aob->item->frame; frame = &aob->item->frame;
stream = nghttp2_session_get_stream(session, frame->hd.stream_id); stream = nghttp2_session_get_stream(session, frame->hd.stream_id);
if (stream == NULL) { if (stream == NULL) {
DEBUGF(fprintf( DEBUGF("send: no copy DATA cancelled because stream was closed\n");
stderr,
"send: no copy DATA cancelled because stream was closed\n"));
active_outbound_item_reset(aob, mem); active_outbound_item_reset(aob, mem);
@ -3160,7 +3148,7 @@ static ssize_t nghttp2_session_mem_send_internal(nghttp2_session *session,
buf = &framebufs->cur->buf; buf = &framebufs->cur->buf;
if (buf->pos == buf->last) { if (buf->pos == buf->last) {
DEBUGF(fprintf(stderr, "send: end transmission of client magic\n")); DEBUGF("send: end transmission of client magic\n");
active_outbound_item_reset(aob, mem); active_outbound_item_reset(aob, mem);
break; break;
} }
@ -3280,8 +3268,8 @@ static int session_call_on_frame_received(nghttp2_session *session,
static int session_call_on_begin_headers(nghttp2_session *session, static int session_call_on_begin_headers(nghttp2_session *session,
nghttp2_frame *frame) { nghttp2_frame *frame) {
int rv; int rv;
DEBUGF(fprintf(stderr, "recv: call on_begin_headers callback stream_id=%d\n", DEBUGF("recv: call on_begin_headers callback stream_id=%d\n",
frame->hd.stream_id)); frame->hd.stream_id);
if (session->callbacks.on_begin_headers_callback) { if (session->callbacks.on_begin_headers_callback) {
rv = session->callbacks.on_begin_headers_callback(session, frame, rv = session->callbacks.on_begin_headers_callback(session, frame,
session->user_data); session->user_data);
@ -3537,7 +3525,7 @@ static int inflate_header_block(nghttp2_session *session, nghttp2_frame *frame,
trailer = session_trailer_headers(session, stream, frame); trailer = session_trailer_headers(session, stream, frame);
} }
DEBUGF(fprintf(stderr, "recv: decoding header block %zu bytes\n", inlen)); DEBUGF("recv: decoding header block %zu bytes\n", inlen);
for (;;) { for (;;) {
inflate_flags = 0; inflate_flags = 0;
proclen = nghttp2_hd_inflate_hd_nv(&session->hd_inflater, &nv, proclen = nghttp2_hd_inflate_hd_nv(&session->hd_inflater, &nv,
@ -3571,7 +3559,7 @@ static int inflate_header_block(nghttp2_session *session, nghttp2_frame *frame,
inlen -= (size_t)proclen; inlen -= (size_t)proclen;
*readlen_ptr += (size_t)proclen; *readlen_ptr += (size_t)proclen;
DEBUGF(fprintf(stderr, "recv: proclen=%zd\n", proclen)); DEBUGF("recv: proclen=%zd\n", proclen);
if (call_header_cb && (inflate_flags & NGHTTP2_HD_INFLATE_EMIT)) { if (call_header_cb && (inflate_flags & NGHTTP2_HD_INFLATE_EMIT)) {
rv = 0; rv = 0;
@ -3579,10 +3567,9 @@ static int inflate_header_block(nghttp2_session *session, nghttp2_frame *frame,
rv = nghttp2_http_on_header(session, subject_stream, frame, &nv, rv = nghttp2_http_on_header(session, subject_stream, frame, &nv,
trailer); trailer);
if (rv == NGHTTP2_ERR_HTTP_HEADER) { if (rv == NGHTTP2_ERR_HTTP_HEADER) {
DEBUGF(fprintf( DEBUGF("recv: HTTP error: type=%u, id=%d, header %.*s: %.*s\n",
stderr, "recv: HTTP error: type=%u, id=%d, header %.*s: %.*s\n", frame->hd.type, frame->hd.stream_id, (int)nv.name->len,
frame->hd.type, frame->hd.stream_id, (int)nv.name->len, nv.name->base, (int)nv.value->len, nv.value->base);
nv.name->base, (int)nv.value->len, nv.value->base));
rv = session_call_error_callback( rv = session_call_error_callback(
session, "Invalid HTTP header field was received: frame type: " session, "Invalid HTTP header field was received: frame type: "
@ -3615,10 +3602,9 @@ static int inflate_header_block(nghttp2_session *session, nghttp2_frame *frame,
} }
/* header is ignored */ /* header is ignored */
DEBUGF(fprintf( DEBUGF("recv: HTTP ignored: type=%u, id=%d, header %.*s: %.*s\n",
stderr, "recv: HTTP ignored: type=%u, id=%d, header %.*s: %.*s\n", frame->hd.type, frame->hd.stream_id, (int)nv.name->len,
frame->hd.type, frame->hd.stream_id, (int)nv.name->len, nv.name->base, (int)nv.value->len, nv.value->base);
nv.name->base, (int)nv.value->len, nv.value->base));
rv2 = session_call_error_callback( rv2 = session_call_error_callback(
session, session,
@ -5173,8 +5159,7 @@ static void inbound_frame_set_settings_entry(nghttp2_inbound_frame *iframe) {
case NGHTTP2_SETTINGS_MAX_HEADER_LIST_SIZE: case NGHTTP2_SETTINGS_MAX_HEADER_LIST_SIZE:
break; break;
default: default:
DEBUGF( DEBUGF("recv: unknown settings id=0x%02x\n", iv.settings_id);
fprintf(stderr, "recv: unknown settings id=0x%02x\n", iv.settings_id));
iframe->iv[iframe->niv++] = iv; iframe->iv[iframe->niv++] = iv;
@ -5216,7 +5201,7 @@ static int inbound_frame_handle_pad(nghttp2_inbound_frame *iframe,
inbound_frame_set_mark(iframe, 1); inbound_frame_set_mark(iframe, 1);
return 1; return 1;
} }
DEBUGF(fprintf(stderr, "recv: no padding in payload\n")); DEBUGF("recv: no padding in payload\n");
return 0; return 0;
} }
@ -5230,7 +5215,7 @@ static ssize_t inbound_frame_compute_pad(nghttp2_inbound_frame *iframe) {
/* 1 for Pad Length field */ /* 1 for Pad Length field */
padlen = (size_t)(iframe->sbuf.pos[0] + 1); padlen = (size_t)(iframe->sbuf.pos[0] + 1);
DEBUGF(fprintf(stderr, "recv: padlen=%zu\n", padlen)); DEBUGF("recv: padlen=%zu\n", padlen);
/* We cannot use iframe->frame.hd.length because of CONTINUATION */ /* We cannot use iframe->frame.hd.length because of CONTINUATION */
if (padlen - 1 > iframe->payloadleft) { if (padlen - 1 > iframe->payloadleft) {
@ -5278,9 +5263,8 @@ ssize_t nghttp2_session_mem_recv(nghttp2_session *session, const uint8_t *in,
size_t pri_fieldlen; size_t pri_fieldlen;
nghttp2_mem *mem; nghttp2_mem *mem;
DEBUGF(fprintf(stderr, DEBUGF("recv: connection recv_window_size=%d, local_window=%d\n",
"recv: connection recv_window_size=%d, local_window=%d\n", session->recv_window_size, session->local_window_size);
session->recv_window_size, session->local_window_size));
mem = &session->mem; mem = &session->mem;
@ -5313,7 +5297,7 @@ ssize_t nghttp2_session_mem_recv(nghttp2_session *session, const uint8_t *in,
break; break;
case NGHTTP2_IB_READ_FIRST_SETTINGS: case NGHTTP2_IB_READ_FIRST_SETTINGS:
DEBUGF(fprintf(stderr, "recv: [IB_READ_FIRST_SETTINGS]\n")); DEBUGF("recv: [IB_READ_FIRST_SETTINGS]\n");
readlen = inbound_frame_buf_read(iframe, in, last); readlen = inbound_frame_buf_read(iframe, in, last);
in += readlen; in += readlen;
@ -5352,7 +5336,7 @@ ssize_t nghttp2_session_mem_recv(nghttp2_session *session, const uint8_t *in,
case NGHTTP2_IB_READ_HEAD: { case NGHTTP2_IB_READ_HEAD: {
int on_begin_frame_called = 0; int on_begin_frame_called = 0;
DEBUGF(fprintf(stderr, "recv: [IB_READ_HEAD]\n")); DEBUGF("recv: [IB_READ_HEAD]\n");
readlen = inbound_frame_buf_read(iframe, in, last); readlen = inbound_frame_buf_read(iframe, in, last);
in += readlen; in += readlen;
@ -5364,15 +5348,13 @@ ssize_t nghttp2_session_mem_recv(nghttp2_session *session, const uint8_t *in,
nghttp2_frame_unpack_frame_hd(&iframe->frame.hd, iframe->sbuf.pos); nghttp2_frame_unpack_frame_hd(&iframe->frame.hd, iframe->sbuf.pos);
iframe->payloadleft = iframe->frame.hd.length; iframe->payloadleft = iframe->frame.hd.length;
DEBUGF(fprintf(stderr, "recv: payloadlen=%zu, type=%u, flags=0x%02x, " DEBUGF("recv: payloadlen=%zu, type=%u, flags=0x%02x, stream_id=%d\n",
"stream_id=%d\n", iframe->frame.hd.length, iframe->frame.hd.type,
iframe->frame.hd.length, iframe->frame.hd.type, iframe->frame.hd.flags, iframe->frame.hd.stream_id);
iframe->frame.hd.flags, iframe->frame.hd.stream_id));
if (iframe->frame.hd.length > session->local_settings.max_frame_size) { if (iframe->frame.hd.length > session->local_settings.max_frame_size) {
DEBUGF(fprintf(stderr, "recv: length is too large %zu > %u\n", DEBUGF("recv: length is too large %zu > %u\n", iframe->frame.hd.length,
iframe->frame.hd.length, session->local_settings.max_frame_size);
session->local_settings.max_frame_size));
busy = 1; busy = 1;
@ -5390,7 +5372,7 @@ ssize_t nghttp2_session_mem_recv(nghttp2_session *session, const uint8_t *in,
switch (iframe->frame.hd.type) { switch (iframe->frame.hd.type) {
case NGHTTP2_DATA: { case NGHTTP2_DATA: {
DEBUGF(fprintf(stderr, "recv: DATA\n")); DEBUGF("recv: DATA\n");
iframe->frame.hd.flags &= iframe->frame.hd.flags &=
(NGHTTP2_FLAG_END_STREAM | NGHTTP2_FLAG_PADDED); (NGHTTP2_FLAG_END_STREAM | NGHTTP2_FLAG_PADDED);
@ -5400,8 +5382,8 @@ ssize_t nghttp2_session_mem_recv(nghttp2_session *session, const uint8_t *in,
rv = session_on_data_received_fail_fast(session); rv = session_on_data_received_fail_fast(session);
if (rv == NGHTTP2_ERR_IGN_PAYLOAD) { if (rv == NGHTTP2_ERR_IGN_PAYLOAD) {
DEBUGF(fprintf(stderr, "recv: DATA not allowed stream_id=%d\n", DEBUGF("recv: DATA not allowed stream_id=%d\n",
iframe->frame.hd.stream_id)); iframe->frame.hd.stream_id);
iframe->state = NGHTTP2_IB_IGN_DATA; iframe->state = NGHTTP2_IB_IGN_DATA;
break; break;
} }
@ -5433,7 +5415,7 @@ ssize_t nghttp2_session_mem_recv(nghttp2_session *session, const uint8_t *in,
} }
case NGHTTP2_HEADERS: case NGHTTP2_HEADERS:
DEBUGF(fprintf(stderr, "recv: HEADERS\n")); DEBUGF("recv: HEADERS\n");
iframe->frame.hd.flags &= iframe->frame.hd.flags &=
(NGHTTP2_FLAG_END_STREAM | NGHTTP2_FLAG_END_HEADERS | (NGHTTP2_FLAG_END_STREAM | NGHTTP2_FLAG_END_HEADERS |
@ -5512,7 +5494,7 @@ ssize_t nghttp2_session_mem_recv(nghttp2_session *session, const uint8_t *in,
break; break;
case NGHTTP2_PRIORITY: case NGHTTP2_PRIORITY:
DEBUGF(fprintf(stderr, "recv: PRIORITY\n")); DEBUGF("recv: PRIORITY\n");
iframe->frame.hd.flags = NGHTTP2_FLAG_NONE; iframe->frame.hd.flags = NGHTTP2_FLAG_NONE;
@ -5534,10 +5516,10 @@ ssize_t nghttp2_session_mem_recv(nghttp2_session *session, const uint8_t *in,
#ifdef DEBUGBUILD #ifdef DEBUGBUILD
switch (iframe->frame.hd.type) { switch (iframe->frame.hd.type) {
case NGHTTP2_RST_STREAM: case NGHTTP2_RST_STREAM:
DEBUGF(fprintf(stderr, "recv: RST_STREAM\n")); DEBUGF("recv: RST_STREAM\n");
break; break;
case NGHTTP2_WINDOW_UPDATE: case NGHTTP2_WINDOW_UPDATE:
DEBUGF(fprintf(stderr, "recv: WINDOW_UPDATE\n")); DEBUGF("recv: WINDOW_UPDATE\n");
break; break;
} }
#endif /* DEBUGBUILD */ #endif /* DEBUGBUILD */
@ -5556,7 +5538,7 @@ ssize_t nghttp2_session_mem_recv(nghttp2_session *session, const uint8_t *in,
break; break;
case NGHTTP2_SETTINGS: case NGHTTP2_SETTINGS:
DEBUGF(fprintf(stderr, "recv: SETTINGS\n")); DEBUGF("recv: SETTINGS\n");
iframe->frame.hd.flags &= NGHTTP2_FLAG_ACK; iframe->frame.hd.flags &= NGHTTP2_FLAG_ACK;
@ -5600,7 +5582,7 @@ ssize_t nghttp2_session_mem_recv(nghttp2_session *session, const uint8_t *in,
break; break;
case NGHTTP2_PUSH_PROMISE: case NGHTTP2_PUSH_PROMISE:
DEBUGF(fprintf(stderr, "recv: PUSH_PROMISE\n")); DEBUGF("recv: PUSH_PROMISE\n");
iframe->frame.hd.flags &= iframe->frame.hd.flags &=
(NGHTTP2_FLAG_END_HEADERS | NGHTTP2_FLAG_PADDED); (NGHTTP2_FLAG_END_HEADERS | NGHTTP2_FLAG_PADDED);
@ -5635,7 +5617,7 @@ ssize_t nghttp2_session_mem_recv(nghttp2_session *session, const uint8_t *in,
break; break;
case NGHTTP2_PING: case NGHTTP2_PING:
DEBUGF(fprintf(stderr, "recv: PING\n")); DEBUGF("recv: PING\n");
iframe->frame.hd.flags &= NGHTTP2_FLAG_ACK; iframe->frame.hd.flags &= NGHTTP2_FLAG_ACK;
@ -5650,7 +5632,7 @@ ssize_t nghttp2_session_mem_recv(nghttp2_session *session, const uint8_t *in,
break; break;
case NGHTTP2_GOAWAY: case NGHTTP2_GOAWAY:
DEBUGF(fprintf(stderr, "recv: GOAWAY\n")); DEBUGF("recv: GOAWAY\n");
iframe->frame.hd.flags = NGHTTP2_FLAG_NONE; iframe->frame.hd.flags = NGHTTP2_FLAG_NONE;
@ -5665,7 +5647,7 @@ ssize_t nghttp2_session_mem_recv(nghttp2_session *session, const uint8_t *in,
break; break;
case NGHTTP2_CONTINUATION: case NGHTTP2_CONTINUATION:
DEBUGF(fprintf(stderr, "recv: unexpected CONTINUATION\n")); DEBUGF("recv: unexpected CONTINUATION\n");
/* Receiving CONTINUATION in this state are subject to /* Receiving CONTINUATION in this state are subject to
connection error of type PROTOCOL_ERROR */ connection error of type PROTOCOL_ERROR */
@ -5681,7 +5663,7 @@ ssize_t nghttp2_session_mem_recv(nghttp2_session *session, const uint8_t *in,
break; break;
default: default:
DEBUGF(fprintf(stderr, "recv: extension frame\n")); DEBUGF("recv: extension frame\n");
if (check_ext_type_set(session->user_recv_ext_types, if (check_ext_type_set(session->user_recv_ext_types,
iframe->frame.hd.type)) { iframe->frame.hd.type)) {
@ -5710,7 +5692,7 @@ ssize_t nghttp2_session_mem_recv(nghttp2_session *session, const uint8_t *in,
break; break;
} }
DEBUGF(fprintf(stderr, "recv: ALTSVC\n")); DEBUGF("recv: ALTSVC\n");
iframe->frame.hd.flags = NGHTTP2_FLAG_NONE; iframe->frame.hd.flags = NGHTTP2_FLAG_NONE;
iframe->frame.ext.payload = &iframe->ext_frame_payload.altsvc; iframe->frame.ext.payload = &iframe->ext_frame_payload.altsvc;
@ -5762,15 +5744,14 @@ ssize_t nghttp2_session_mem_recv(nghttp2_session *session, const uint8_t *in,
break; break;
} }
case NGHTTP2_IB_READ_NBYTE: case NGHTTP2_IB_READ_NBYTE:
DEBUGF(fprintf(stderr, "recv: [IB_READ_NBYTE]\n")); DEBUGF("recv: [IB_READ_NBYTE]\n");
readlen = inbound_frame_buf_read(iframe, in, last); readlen = inbound_frame_buf_read(iframe, in, last);
in += readlen; in += readlen;
iframe->payloadleft -= readlen; iframe->payloadleft -= readlen;
DEBUGF(fprintf(stderr, "recv: readlen=%zu, payloadleft=%zu, left=%zd\n", DEBUGF("recv: readlen=%zu, payloadleft=%zu, left=%zd\n", readlen,
readlen, iframe->payloadleft, iframe->payloadleft, nghttp2_buf_mark_avail(&iframe->sbuf));
nghttp2_buf_mark_avail(&iframe->sbuf)));
if (nghttp2_buf_mark_avail(&iframe->sbuf)) { if (nghttp2_buf_mark_avail(&iframe->sbuf)) {
return in - first; return in - first;
@ -5955,7 +5936,7 @@ ssize_t nghttp2_session_mem_recv(nghttp2_session *session, const uint8_t *in,
origin_len = nghttp2_get_uint16(iframe->sbuf.pos); origin_len = nghttp2_get_uint16(iframe->sbuf.pos);
DEBUGF(fprintf(stderr, "recv: origin_len=%zu\n", origin_len)); DEBUGF("recv: origin_len=%zu\n", origin_len);
if (2 + origin_len > iframe->payloadleft) { if (2 + origin_len > iframe->payloadleft) {
busy = 1; busy = 1;
@ -5995,16 +5976,16 @@ ssize_t nghttp2_session_mem_recv(nghttp2_session *session, const uint8_t *in,
int final; int final;
#ifdef DEBUGBUILD #ifdef DEBUGBUILD
if (iframe->state == NGHTTP2_IB_READ_HEADER_BLOCK) { if (iframe->state == NGHTTP2_IB_READ_HEADER_BLOCK) {
fprintf(stderr, "recv: [IB_READ_HEADER_BLOCK]\n"); DEBUGF("recv: [IB_READ_HEADER_BLOCK]\n");
} else { } else {
fprintf(stderr, "recv: [IB_IGN_HEADER_BLOCK]\n"); DEBUGF("recv: [IB_IGN_HEADER_BLOCK]\n");
} }
#endif /* DEBUGBUILD */ #endif /* DEBUGBUILD */
readlen = inbound_frame_payload_readlen(iframe, in, last); readlen = inbound_frame_payload_readlen(iframe, in, last);
DEBUGF(fprintf(stderr, "recv: readlen=%zu, payloadleft=%zu\n", readlen, DEBUGF("recv: readlen=%zu, payloadleft=%zu\n", readlen,
iframe->payloadleft - readlen)); iframe->payloadleft - readlen);
data_readlen = inbound_frame_effective_readlen( data_readlen = inbound_frame_effective_readlen(
iframe, iframe->payloadleft - readlen, readlen); iframe, iframe->payloadleft - readlen, readlen);
@ -6016,7 +5997,7 @@ ssize_t nghttp2_session_mem_recv(nghttp2_session *session, const uint8_t *in,
if (data_readlen > 0 || (data_readlen == 0 && final)) { if (data_readlen > 0 || (data_readlen == 0 && final)) {
size_t hd_proclen = 0; size_t hd_proclen = 0;
DEBUGF(fprintf(stderr, "recv: block final=%d\n", final)); DEBUGF("recv: block final=%d\n", final);
rv = rv =
inflate_header_block(session, &iframe->frame, &hd_proclen, inflate_header_block(session, &iframe->frame, &hd_proclen,
@ -6100,14 +6081,14 @@ ssize_t nghttp2_session_mem_recv(nghttp2_session *session, const uint8_t *in,
break; break;
} }
case NGHTTP2_IB_IGN_PAYLOAD: case NGHTTP2_IB_IGN_PAYLOAD:
DEBUGF(fprintf(stderr, "recv: [IB_IGN_PAYLOAD]\n")); DEBUGF("recv: [IB_IGN_PAYLOAD]\n");
readlen = inbound_frame_payload_readlen(iframe, in, last); readlen = inbound_frame_payload_readlen(iframe, in, last);
iframe->payloadleft -= readlen; iframe->payloadleft -= readlen;
in += readlen; in += readlen;
DEBUGF(fprintf(stderr, "recv: readlen=%zu, payloadleft=%zu\n", readlen, DEBUGF("recv: readlen=%zu, payloadleft=%zu\n", readlen,
iframe->payloadleft)); iframe->payloadleft);
if (iframe->payloadleft) { if (iframe->payloadleft) {
break; break;
@ -6128,7 +6109,7 @@ ssize_t nghttp2_session_mem_recv(nghttp2_session *session, const uint8_t *in,
break; break;
case NGHTTP2_IB_FRAME_SIZE_ERROR: case NGHTTP2_IB_FRAME_SIZE_ERROR:
DEBUGF(fprintf(stderr, "recv: [IB_FRAME_SIZE_ERROR]\n")); DEBUGF("recv: [IB_FRAME_SIZE_ERROR]\n");
rv = session_handle_frame_size_error(session, &iframe->frame); rv = session_handle_frame_size_error(session, &iframe->frame);
if (nghttp2_is_fatal(rv)) { if (nghttp2_is_fatal(rv)) {
@ -6141,14 +6122,14 @@ ssize_t nghttp2_session_mem_recv(nghttp2_session *session, const uint8_t *in,
break; break;
case NGHTTP2_IB_READ_SETTINGS: case NGHTTP2_IB_READ_SETTINGS:
DEBUGF(fprintf(stderr, "recv: [IB_READ_SETTINGS]\n")); DEBUGF("recv: [IB_READ_SETTINGS]\n");
readlen = inbound_frame_buf_read(iframe, in, last); readlen = inbound_frame_buf_read(iframe, in, last);
iframe->payloadleft -= readlen; iframe->payloadleft -= readlen;
in += readlen; in += readlen;
DEBUGF(fprintf(stderr, "recv: readlen=%zu, payloadleft=%zu\n", readlen, DEBUGF("recv: readlen=%zu, payloadleft=%zu\n", readlen,
iframe->payloadleft)); iframe->payloadleft);
if (nghttp2_buf_mark_avail(&iframe->sbuf)) { if (nghttp2_buf_mark_avail(&iframe->sbuf)) {
break; break;
@ -6172,7 +6153,7 @@ ssize_t nghttp2_session_mem_recv(nghttp2_session *session, const uint8_t *in,
break; break;
case NGHTTP2_IB_READ_GOAWAY_DEBUG: case NGHTTP2_IB_READ_GOAWAY_DEBUG:
DEBUGF(fprintf(stderr, "recv: [IB_READ_GOAWAY_DEBUG]\n")); DEBUGF("recv: [IB_READ_GOAWAY_DEBUG]\n");
readlen = inbound_frame_payload_readlen(iframe, in, last); readlen = inbound_frame_payload_readlen(iframe, in, last);
@ -6183,8 +6164,8 @@ ssize_t nghttp2_session_mem_recv(nghttp2_session *session, const uint8_t *in,
in += readlen; in += readlen;
} }
DEBUGF(fprintf(stderr, "recv: readlen=%zu, payloadleft=%zu\n", readlen, DEBUGF("recv: readlen=%zu, payloadleft=%zu\n", readlen,
iframe->payloadleft)); iframe->payloadleft);
if (iframe->payloadleft) { if (iframe->payloadleft) {
assert(nghttp2_buf_avail(&iframe->lbuf) > 0); assert(nghttp2_buf_avail(&iframe->lbuf) > 0);
@ -6221,17 +6202,15 @@ ssize_t nghttp2_session_mem_recv(nghttp2_session *session, const uint8_t *in,
nghttp2_frame_unpack_frame_hd(&cont_hd, iframe->sbuf.pos); nghttp2_frame_unpack_frame_hd(&cont_hd, iframe->sbuf.pos);
iframe->payloadleft = cont_hd.length; iframe->payloadleft = cont_hd.length;
DEBUGF(fprintf(stderr, "recv: payloadlen=%zu, type=%u, flags=0x%02x, " DEBUGF("recv: payloadlen=%zu, type=%u, flags=0x%02x, stream_id=%d\n",
"stream_id=%d\n", cont_hd.length, cont_hd.type, cont_hd.flags, cont_hd.stream_id);
cont_hd.length, cont_hd.type, cont_hd.flags,
cont_hd.stream_id));
if (cont_hd.type != NGHTTP2_CONTINUATION || if (cont_hd.type != NGHTTP2_CONTINUATION ||
cont_hd.stream_id != iframe->frame.hd.stream_id) { cont_hd.stream_id != iframe->frame.hd.stream_id) {
DEBUGF(fprintf(stderr, "recv: expected stream_id=%d, type=%d, but " DEBUGF("recv: expected stream_id=%d, type=%d, but got stream_id=%d, "
"got stream_id=%d, type=%u\n", "type=%u\n",
iframe->frame.hd.stream_id, NGHTTP2_CONTINUATION, iframe->frame.hd.stream_id, NGHTTP2_CONTINUATION,
cont_hd.stream_id, cont_hd.type)); cont_hd.stream_id, cont_hd.type);
rv = nghttp2_session_terminate_session_with_reason( rv = nghttp2_session_terminate_session_with_reason(
session, NGHTTP2_PROTOCOL_ERROR, session, NGHTTP2_PROTOCOL_ERROR,
"unexpected non-CONTINUATION frame or stream_id is invalid"); "unexpected non-CONTINUATION frame or stream_id is invalid");
@ -6268,15 +6247,14 @@ ssize_t nghttp2_session_mem_recv(nghttp2_session *session, const uint8_t *in,
break; break;
case NGHTTP2_IB_READ_PAD_DATA: case NGHTTP2_IB_READ_PAD_DATA:
DEBUGF(fprintf(stderr, "recv: [IB_READ_PAD_DATA]\n")); DEBUGF("recv: [IB_READ_PAD_DATA]\n");
readlen = inbound_frame_buf_read(iframe, in, last); readlen = inbound_frame_buf_read(iframe, in, last);
in += readlen; in += readlen;
iframe->payloadleft -= readlen; iframe->payloadleft -= readlen;
DEBUGF(fprintf(stderr, "recv: readlen=%zu, payloadleft=%zu, left=%zu\n", DEBUGF("recv: readlen=%zu, payloadleft=%zu, left=%zu\n", readlen,
readlen, iframe->payloadleft, iframe->payloadleft, nghttp2_buf_mark_avail(&iframe->sbuf));
nghttp2_buf_mark_avail(&iframe->sbuf)));
if (nghttp2_buf_mark_avail(&iframe->sbuf)) { if (nghttp2_buf_mark_avail(&iframe->sbuf)) {
return in - first; return in - first;
@ -6334,14 +6312,14 @@ ssize_t nghttp2_session_mem_recv(nghttp2_session *session, const uint8_t *in,
break; break;
} }
DEBUGF(fprintf(stderr, "recv: [IB_READ_DATA]\n")); DEBUGF("recv: [IB_READ_DATA]\n");
readlen = inbound_frame_payload_readlen(iframe, in, last); readlen = inbound_frame_payload_readlen(iframe, in, last);
iframe->payloadleft -= readlen; iframe->payloadleft -= readlen;
in += readlen; in += readlen;
DEBUGF(fprintf(stderr, "recv: readlen=%zu, payloadleft=%zu\n", readlen, DEBUGF("recv: readlen=%zu, payloadleft=%zu\n", readlen,
iframe->payloadleft)); iframe->payloadleft);
if (readlen > 0) { if (readlen > 0) {
ssize_t data_readlen; ssize_t data_readlen;
@ -6379,7 +6357,7 @@ ssize_t nghttp2_session_mem_recv(nghttp2_session *session, const uint8_t *in,
} }
} }
DEBUGF(fprintf(stderr, "recv: data_readlen=%zd\n", data_readlen)); DEBUGF("recv: data_readlen=%zd\n", data_readlen);
if (data_readlen > 0) { if (data_readlen > 0) {
if (session_enforce_http_messaging(session)) { if (session_enforce_http_messaging(session)) {
@ -6432,14 +6410,14 @@ ssize_t nghttp2_session_mem_recv(nghttp2_session *session, const uint8_t *in,
break; break;
case NGHTTP2_IB_IGN_DATA: case NGHTTP2_IB_IGN_DATA:
DEBUGF(fprintf(stderr, "recv: [IB_IGN_DATA]\n")); DEBUGF("recv: [IB_IGN_DATA]\n");
readlen = inbound_frame_payload_readlen(iframe, in, last); readlen = inbound_frame_payload_readlen(iframe, in, last);
iframe->payloadleft -= readlen; iframe->payloadleft -= readlen;
in += readlen; in += readlen;
DEBUGF(fprintf(stderr, "recv: readlen=%zu, payloadleft=%zu\n", readlen, DEBUGF("recv: readlen=%zu, payloadleft=%zu\n", readlen,
iframe->payloadleft)); iframe->payloadleft);
if (readlen > 0) { if (readlen > 0) {
/* Update connection-level flow control window for ignored /* Update connection-level flow control window for ignored
@ -6470,14 +6448,14 @@ ssize_t nghttp2_session_mem_recv(nghttp2_session *session, const uint8_t *in,
case NGHTTP2_IB_IGN_ALL: case NGHTTP2_IB_IGN_ALL:
return (ssize_t)inlen; return (ssize_t)inlen;
case NGHTTP2_IB_READ_EXTENSION_PAYLOAD: case NGHTTP2_IB_READ_EXTENSION_PAYLOAD:
DEBUGF(fprintf(stderr, "recv: [IB_READ_EXTENSION_PAYLOAD]\n")); DEBUGF("recv: [IB_READ_EXTENSION_PAYLOAD]\n");
readlen = inbound_frame_payload_readlen(iframe, in, last); readlen = inbound_frame_payload_readlen(iframe, in, last);
iframe->payloadleft -= readlen; iframe->payloadleft -= readlen;
in += readlen; in += readlen;
DEBUGF(fprintf(stderr, "recv: readlen=%zu, payloadleft=%zu\n", readlen, DEBUGF("recv: readlen=%zu, payloadleft=%zu\n", readlen,
iframe->payloadleft)); iframe->payloadleft);
if (readlen > 0) { if (readlen > 0) {
rv = session_call_on_extension_chunk_recv_callback( rv = session_call_on_extension_chunk_recv_callback(
@ -6508,7 +6486,7 @@ ssize_t nghttp2_session_mem_recv(nghttp2_session *session, const uint8_t *in,
break; break;
case NGHTTP2_IB_READ_ALTSVC_PAYLOAD: case NGHTTP2_IB_READ_ALTSVC_PAYLOAD:
DEBUGF(fprintf(stderr, "recv: [IB_READ_ALTSVC_PAYLOAD]\n")); DEBUGF("recv: [IB_READ_ALTSVC_PAYLOAD]\n");
readlen = inbound_frame_payload_readlen(iframe, in, last); readlen = inbound_frame_payload_readlen(iframe, in, last);
@ -6519,8 +6497,8 @@ ssize_t nghttp2_session_mem_recv(nghttp2_session *session, const uint8_t *in,
in += readlen; in += readlen;
} }
DEBUGF(fprintf(stderr, "recv: readlen=%zu, payloadleft=%zu\n", readlen, DEBUGF("recv: readlen=%zu, payloadleft=%zu\n", readlen,
iframe->payloadleft)); iframe->payloadleft);
if (iframe->payloadleft) { if (iframe->payloadleft) {
assert(nghttp2_buf_avail(&iframe->lbuf) > 0); assert(nghttp2_buf_avail(&iframe->lbuf) > 0);
@ -6891,14 +6869,12 @@ int nghttp2_session_pack_data(nghttp2_session *session, nghttp2_bufs *bufs,
stream->remote_window_size, session->remote_settings.max_frame_size, stream->remote_window_size, session->remote_settings.max_frame_size,
session->user_data); session->user_data);
DEBUGF(fprintf(stderr, "send: read_length_callback=%zd\n", payloadlen)); DEBUGF("send: read_length_callback=%zd\n", payloadlen);
payloadlen = nghttp2_session_enforce_flow_control_limits(session, stream, payloadlen = nghttp2_session_enforce_flow_control_limits(session, stream,
payloadlen); payloadlen);
DEBUGF(fprintf(stderr, DEBUGF("send: read_length_callback after flow control=%zd\n", payloadlen);
"send: read_length_callback after flow control=%zd\n",
payloadlen));
if (payloadlen <= 0) { if (payloadlen <= 0) {
return NGHTTP2_ERR_CALLBACK_FAILURE; return NGHTTP2_ERR_CALLBACK_FAILURE;
@ -6911,13 +6887,12 @@ int nghttp2_session_pack_data(nghttp2_session *session, nghttp2_bufs *bufs,
(size_t)(NGHTTP2_FRAME_HDLEN + 1 + payloadlen)); (size_t)(NGHTTP2_FRAME_HDLEN + 1 + payloadlen));
if (rv != 0) { if (rv != 0) {
DEBUGF(fprintf(stderr, "send: realloc buffer failed rv=%d", rv)); DEBUGF("send: realloc buffer failed rv=%d", rv);
/* If reallocation failed, old buffers are still in tact. So /* If reallocation failed, old buffers are still in tact. So
use safe limit. */ use safe limit. */
payloadlen = (ssize_t)datamax; payloadlen = (ssize_t)datamax;
DEBUGF( DEBUGF("send: use safe limit payloadlen=%zd", payloadlen);
fprintf(stderr, "send: use safe limit payloadlen=%zd", payloadlen));
} else { } else {
assert(&session->aob.framebufs == bufs); assert(&session->aob.framebufs == bufs);
@ -6938,8 +6913,8 @@ int nghttp2_session_pack_data(nghttp2_session *session, nghttp2_bufs *bufs,
if (payloadlen == NGHTTP2_ERR_DEFERRED || if (payloadlen == NGHTTP2_ERR_DEFERRED ||
payloadlen == NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE || payloadlen == NGHTTP2_ERR_TEMPORAL_CALLBACK_FAILURE ||
payloadlen == NGHTTP2_ERR_PAUSE) { payloadlen == NGHTTP2_ERR_PAUSE) {
DEBUGF(fprintf(stderr, "send: DATA postponed due to %s\n", DEBUGF("send: DATA postponed due to %s\n",
nghttp2_strerror((int)payloadlen))); nghttp2_strerror((int)payloadlen));
return (int)payloadlen; return (int)payloadlen;
} }
@ -6968,9 +6943,7 @@ int nghttp2_session_pack_data(nghttp2_session *session, nghttp2_bufs *bufs,
if (data_flags & NGHTTP2_DATA_FLAG_NO_COPY) { if (data_flags & NGHTTP2_DATA_FLAG_NO_COPY) {
if (session->callbacks.send_data_callback == NULL) { if (session->callbacks.send_data_callback == NULL) {
DEBUGF(fprintf( DEBUGF("NGHTTP2_DATA_FLAG_NO_COPY requires send_data_callback set\n");
stderr,
"NGHTTP2_DATA_FLAG_NO_COPY requires send_data_callback set\n"));
return NGHTTP2_ERR_CALLBACK_FAILURE; return NGHTTP2_ERR_CALLBACK_FAILURE;
} }

65
lib/nghttp2_stream.c
View File

@ -29,6 +29,7 @@
#include "nghttp2_session.h" #include "nghttp2_session.h"
#include "nghttp2_helper.h" #include "nghttp2_helper.h"
#include "nghttp2_debug.h"
/* Maximum distance between any two stream's cycle in the same /* Maximum distance between any two stream's cycle in the same
prirority queue. Imagine stream A's cycle is A, and stream B's prirority queue. Imagine stream A's cycle is A, and stream B's
@ -152,11 +153,11 @@ static int stream_obq_push(nghttp2_stream *dep_stream, nghttp2_stream *stream) {
stream_next_cycle(stream, dep_stream->descendant_last_cycle); stream_next_cycle(stream, dep_stream->descendant_last_cycle);
stream->seq = dep_stream->descendant_next_seq++; stream->seq = dep_stream->descendant_next_seq++;
DEBUGF(fprintf(stderr, "stream: stream=%d obq push cycle=%d\n", DEBUGF("stream: stream=%d obq push cycle=%d\n", stream->stream_id,
stream->stream_id, stream->cycle)); stream->cycle);
DEBUGF(fprintf(stderr, "stream: push stream %d to stream %d\n", DEBUGF("stream: push stream %d to stream %d\n", stream->stream_id,
stream->stream_id, dep_stream->stream_id)); dep_stream->stream_id);
rv = nghttp2_pq_push(&dep_stream->obq, &stream->pq_entry); rv = nghttp2_pq_push(&dep_stream->obq, &stream->pq_entry);
if (rv != 0) { if (rv != 0) {
@ -183,8 +184,8 @@ static void stream_obq_remove(nghttp2_stream *stream) {
} }
for (; dep_stream; stream = dep_stream, dep_stream = dep_stream->dep_prev) { for (; dep_stream; stream = dep_stream, dep_stream = dep_stream->dep_prev) {
DEBUGF(fprintf(stderr, "stream: remove stream %d from stream %d\n", DEBUGF("stream: remove stream %d from stream %d\n", stream->stream_id,
stream->stream_id, dep_stream->stream_id)); dep_stream->stream_id);
nghttp2_pq_remove(&dep_stream->obq, &stream->pq_entry); nghttp2_pq_remove(&dep_stream->obq, &stream->pq_entry);
@ -214,8 +215,8 @@ static int stream_obq_move(nghttp2_stream *dest, nghttp2_stream *src,
return 0; return 0;
} }
DEBUGF(fprintf(stderr, "stream: remove stream %d from stream %d (move)\n", DEBUGF("stream: remove stream %d from stream %d (move)\n", stream->stream_id,
stream->stream_id, src->stream_id)); src->stream_id);
nghttp2_pq_remove(&src->obq, &stream->pq_entry); nghttp2_pq_remove(&src->obq, &stream->pq_entry);
stream->queued = 0; stream->queued = 0;
@ -238,8 +239,8 @@ void nghttp2_stream_reschedule(nghttp2_stream *stream) {
nghttp2_pq_push(&dep_stream->obq, &stream->pq_entry); nghttp2_pq_push(&dep_stream->obq, &stream->pq_entry);
DEBUGF(fprintf(stderr, "stream: stream=%d obq resched cycle=%d\n", DEBUGF("stream: stream=%d obq resched cycle=%d\n", stream->stream_id,
stream->stream_id, stream->cycle)); stream->cycle);
dep_stream->last_writelen = stream->last_writelen; dep_stream->last_writelen = stream->last_writelen;
} }
@ -298,8 +299,8 @@ void nghttp2_stream_change_weight(nghttp2_stream *stream, int32_t weight) {
nghttp2_pq_push(&dep_stream->obq, &stream->pq_entry); nghttp2_pq_push(&dep_stream->obq, &stream->pq_entry);
DEBUGF(fprintf(stderr, "stream: stream=%d obq resched cycle=%d\n", DEBUGF("stream: stream=%d obq resched cycle=%d\n", stream->stream_id,
stream->stream_id, stream->cycle)); stream->cycle);
} }
static nghttp2_stream *stream_last_sib(nghttp2_stream *stream) { static nghttp2_stream *stream_last_sib(nghttp2_stream *stream) {
@ -481,8 +482,7 @@ int nghttp2_stream_attach_item(nghttp2_stream *stream,
assert((stream->flags & NGHTTP2_STREAM_FLAG_DEFERRED_ALL) == 0); assert((stream->flags & NGHTTP2_STREAM_FLAG_DEFERRED_ALL) == 0);
assert(stream->item == NULL); assert(stream->item == NULL);
DEBUGF(fprintf(stderr, "stream: stream=%d attach item=%p\n", DEBUGF("stream: stream=%d attach item=%p\n", stream->stream_id, item);
stream->stream_id, item));
stream->item = item; stream->item = item;
@ -500,8 +500,7 @@ int nghttp2_stream_attach_item(nghttp2_stream *stream,
} }
int nghttp2_stream_detach_item(nghttp2_stream *stream) { int nghttp2_stream_detach_item(nghttp2_stream *stream) {
DEBUGF(fprintf(stderr, "stream: stream=%d detach item=%p\n", DEBUGF("stream: stream=%d detach item=%p\n", stream->stream_id, stream->item);
stream->stream_id, stream->item));
stream->item = NULL; stream->item = NULL;
stream->flags = (uint8_t)(stream->flags & ~NGHTTP2_STREAM_FLAG_DEFERRED_ALL); stream->flags = (uint8_t)(stream->flags & ~NGHTTP2_STREAM_FLAG_DEFERRED_ALL);
@ -512,8 +511,8 @@ int nghttp2_stream_detach_item(nghttp2_stream *stream) {
int nghttp2_stream_defer_item(nghttp2_stream *stream, uint8_t flags) { int nghttp2_stream_defer_item(nghttp2_stream *stream, uint8_t flags) {
assert(stream->item); assert(stream->item);
DEBUGF(fprintf(stderr, "stream: stream=%d defer item=%p cause=%02x\n", DEBUGF("stream: stream=%d defer item=%p cause=%02x\n", stream->stream_id,
stream->stream_id, stream->item, flags)); stream->item, flags);
stream->flags |= flags; stream->flags |= flags;
@ -523,8 +522,8 @@ int nghttp2_stream_defer_item(nghttp2_stream *stream, uint8_t flags) {
int nghttp2_stream_resume_deferred_item(nghttp2_stream *stream, uint8_t flags) { int nghttp2_stream_resume_deferred_item(nghttp2_stream *stream, uint8_t flags) {
assert(stream->item); assert(stream->item);
DEBUGF(fprintf(stderr, "stream: stream=%d resume item=%p flags=%02x\n", DEBUGF("stream: stream=%d resume item=%p flags=%02x\n", stream->stream_id,
stream->stream_id, stream->item, flags)); stream->item, flags);
stream->flags = (uint8_t)(stream->flags & ~flags); stream->flags = (uint8_t)(stream->flags & ~flags);
@ -593,9 +592,8 @@ int nghttp2_stream_dep_insert(nghttp2_stream *dep_stream,
nghttp2_stream *si; nghttp2_stream *si;
int rv; int rv;
DEBUGF(fprintf(stderr, DEBUGF("stream: dep_insert dep_stream(%p)=%d, stream(%p)=%d\n", dep_stream,
"stream: dep_insert dep_stream(%p)=%d, stream(%p)=%d\n", dep_stream->stream_id, stream, stream->stream_id);
dep_stream, dep_stream->stream_id, stream, stream->stream_id));
stream->sum_dep_weight = dep_stream->sum_dep_weight; stream->sum_dep_weight = dep_stream->sum_dep_weight;
dep_stream->sum_dep_weight = stream->weight; dep_stream->sum_dep_weight = stream->weight;
@ -740,8 +738,8 @@ static void unlink_dep(nghttp2_stream *stream) {
void nghttp2_stream_dep_add(nghttp2_stream *dep_stream, void nghttp2_stream_dep_add(nghttp2_stream *dep_stream,
nghttp2_stream *stream) { nghttp2_stream *stream) {
DEBUGF(fprintf(stderr, "stream: dep_add dep_stream(%p)=%d, stream(%p)=%d\n", DEBUGF("stream: dep_add dep_stream(%p)=%d, stream(%p)=%d\n", dep_stream,
dep_stream, dep_stream->stream_id, stream, stream->stream_id)); dep_stream->stream_id, stream, stream->stream_id);
dep_stream->sum_dep_weight += stream->weight; dep_stream->sum_dep_weight += stream->weight;
@ -759,8 +757,7 @@ int nghttp2_stream_dep_remove(nghttp2_stream *stream) {
int32_t sum_dep_weight_delta; int32_t sum_dep_weight_delta;
int rv; int rv;
DEBUGF(fprintf(stderr, "stream: dep_remove stream(%p)=%d\n", stream, DEBUGF("stream: dep_remove stream(%p)=%d\n", stream, stream->stream_id);
stream->stream_id));
/* Distribute weight of |stream| to direct descendants */ /* Distribute weight of |stream| to direct descendants */
sum_dep_weight_delta = -stream->weight; sum_dep_weight_delta = -stream->weight;
@ -813,9 +810,8 @@ int nghttp2_stream_dep_insert_subtree(nghttp2_stream *dep_stream,
nghttp2_stream *si; nghttp2_stream *si;
int rv; int rv;
DEBUGF(fprintf(stderr, "stream: dep_insert_subtree dep_stream(%p)=%d " DEBUGF("stream: dep_insert_subtree dep_stream(%p)=%d stream(%p)=%d\n",
"stream(%p)=%d\n", dep_stream, dep_stream->stream_id, stream, stream->stream_id);
dep_stream, dep_stream->stream_id, stream, stream->stream_id));
stream->sum_dep_weight += dep_stream->sum_dep_weight; stream->sum_dep_weight += dep_stream->sum_dep_weight;
dep_stream->sum_dep_weight = stream->weight; dep_stream->sum_dep_weight = stream->weight;
@ -862,9 +858,8 @@ int nghttp2_stream_dep_add_subtree(nghttp2_stream *dep_stream,
nghttp2_stream *stream) { nghttp2_stream *stream) {
int rv; int rv;
DEBUGF(fprintf(stderr, "stream: dep_add_subtree dep_stream(%p)=%d " DEBUGF("stream: dep_add_subtree dep_stream(%p)=%d stream(%p)=%d\n",
"stream(%p)=%d\n", dep_stream, dep_stream->stream_id, stream, stream->stream_id);
dep_stream, dep_stream->stream_id, stream, stream->stream_id));
dep_stream->sum_dep_weight += stream->weight; dep_stream->sum_dep_weight += stream->weight;
@ -889,8 +884,8 @@ int nghttp2_stream_dep_add_subtree(nghttp2_stream *dep_stream,
void nghttp2_stream_dep_remove_subtree(nghttp2_stream *stream) { void nghttp2_stream_dep_remove_subtree(nghttp2_stream *stream) {
nghttp2_stream *next, *dep_prev; nghttp2_stream *next, *dep_prev;
DEBUGF(fprintf(stderr, "stream: dep_remove_subtree stream(%p)=%d\n", stream, DEBUGF("stream: dep_remove_subtree stream(%p)=%d\n", stream,
stream->stream_id)); stream->stream_id);
assert(stream->dep_prev); assert(stream->dep_prev);