deps: update nghttp3 to 1.17.0

PR-URL: #64182
Backport-PR-URL: #64675
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Tim Perry <pimterry@gmail.com>

Author: nodejs-github-bot

deps/ngtcp2/nghttp3/lib/includes/nghttp3/nghttp3.h

@@ -2625,6 +2625,25 @@ NGHTTP3_EXTERN nghttp3_ssize nghttp3_conn_writev_stream(nghttp3_conn *conn,
 NGHTTP3_EXTERNintnghttp3_conn_add_write_offset(nghttp3_conn*conn,
 int64_tstream_id, size_tn);
 
+/**
+ * @function
+ *
+ * `nghttp3_conn_is_stream_flushed` returns nonzero if all stream data
+ * for a stream identified by |stream_id| so far have been accepted by
+ * QUIC stack. This means that the cumulative number of bytes that
+ * `nghttp3_conn_add_write_offset` notified covers all stream data
+ * currently held. This does not mean more stream data cannot be
+ * submitted to this stream via :type:`nghttp3_read_data_callback` and
+ * all stream data have been acknowledged.
+ *
+ * If there is no stream identified by |stream_id|, this function
+ * returns nonzero.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNintnghttp3_conn_is_stream_flushed(constnghttp3_conn*conn,
+int64_tstream_id);
+
 /**
  * @function
  *
@@ -3418,6 +3437,75 @@ NGHTTP3_EXTERN const nghttp3_info *nghttp3_version(int least_version);
  */
 NGHTTP3_EXTERNintnghttp3_err_is_fatal(intliberr);
 
+/**
+ * @function
+ *
+ * `nghttp3_get_uvarint` reads variable-length unsigned integer from
+ * the buffer pointed by |p|, and stores it in the object pointed by
+ * |dest| in host byte order. It returns |p| plus the number of bytes
+ * read from |p|. This function assumes that |p| points to the buffer
+ * that contains a valid variable-length unsigned integer. Use
+ * `nghttp3_get_uvarintlen` to get the number of bytes to successfully
+ * decode an integer.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNconstuint8_t*nghttp3_get_uvarint(uint64_t*dest,
+constuint8_t*p);
+
+/**
+ * @function
+ *
+ * `nghttp3_get_uvarintlen` returns the required number of bytes to
+ * read variable-length unsigned integer starting at |p|. |p| must
+ * not be NULL. This function only reads the single byte from the
+ * buffer pointed by |p|, and determines the number of bytes to read.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNsize_tnghttp3_get_uvarintlen(constuint8_t*p);
+
+/**
+ * @function
+ *
+ * `nghttp3_get_varint` reads variable-length unsigned integer from
+ * the buffer pointed by |p|, and stores it in the object pointed by
+ * |dest| in host byte order. It returns |p| plus the number of bytes
+ * read from |p|. This function assumes that |p| points to the buffer
+ * that contains a valid variable-length unsigned integer. Use
+ * `nghttp3_get_uvarintlen` to get the number of bytes to successfully
+ * decode an integer.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNconstuint8_t*nghttp3_get_varint(int64_t*dest,
+constuint8_t*p);
+
+/**
+ * @function
+ *
+ * `nghttp3_put_uvarint` writes |n| to the buffer pointed by |p| using
+ * variable-length unsigned integer encoding. It returns the one
+ * beyond of the last written position. This function assumes that
+ * the buffer pointed by |p| has sufficient capacity to encode |n|.
+ * To know the required capacity, use `nghttp3_put_uvarintlen`. |n|
+ * must be less than or equal to (1 << 62) - 1.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNuint8_t*nghttp3_put_uvarint(uint8_t*p, uint64_tn);
+
+/**
+ * @function
+ *
+ * `nghttp3_put_uvarintlen` returns the required number of bytes to
+ * encode |n| in variable-length unsigned integer encoding. |n| must
+ * be less than or equal to (1 << 62) - 1.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNsize_tnghttp3_put_uvarintlen(uint64_tn);
+
 /*
  * Versioned function wrappers
  */

deps/ngtcp2/nghttp3/lib/includes/nghttp3/version.h

@@ -31,7 +31,7 @@
  *
  * Version number of the nghttp3 library release.
  */
-#defineNGHTTP3_VERSION "1.16.0"
+#defineNGHTTP3_VERSION "1.17.0"
 
 /**
  * @macro
@@ -41,6 +41,6 @@
  * number, 8 bits for minor and 8 bits for patch. Version 1.2.3
  * becomes 0x010203.
  */
-#defineNGHTTP3_VERSION_NUM0x011000
+#defineNGHTTP3_VERSION_NUM0x011100
 
 #endif/* !defined(NGHTTP3_VERSION_H) */

deps/ngtcp2/nghttp3/lib/nghttp3_conn.c

@@ -2979,3 +2979,25 @@ int nghttp3_conn_is_drained2(const nghttp3_conn *conn) {
 nghttp3_stream_outq_write_done(conn->tx.ctrl) &&
 nghttp3_ringbuf_len(&conn->tx.ctrl->frq) ==0;
 }
+
+intnghttp3_conn_is_stream_flushed(constnghttp3_conn*conn,
+int64_tstream_id) {
+nghttp3_stream*stream=nghttp3_conn_find_stream(conn, stream_id);
+constnghttp3_frame*fr;
+
+if (!stream) {
+return1;
+ }
+
+if (!nghttp3_stream_outq_write_done(stream)) {
+return0;
+ }
+
+if (nghttp3_ringbuf_len(&stream->frq) ==0) {
+return1;
+ }
+
+fr=nghttp3_ringbuf_get(&stream->frq, 0);
+
+returnfr->hd.type==NGHTTP3_FRAME_DATA;
+}

deps/ngtcp2/nghttp3/lib/nghttp3_conv.c

@@ -70,6 +70,15 @@ size_t nghttp3_get_uvarintlen(const uint8_t *p) {
 return (size_t)(1U << (*p >> 6));
 }
 
+constuint8_t*nghttp3_get_varint(int64_t*dest, constuint8_t*p) {
+uint64_tn;
+
+p=nghttp3_get_uvarint(&n, p);
+*dest= (int64_t)n;
+
+returnp;
+}
+
 uint8_t*nghttp3_put_uint64be(uint8_t*p, uint64_tn) {
 n=nghttp3_htonl64(n);
 returnnghttp3_cpymem(p, (constuint8_t*)&n, sizeof(n));

deps/ngtcp2/nghttp3/lib/nghttp3_conv.h

@@ -92,34 +92,6 @@
 # definentohs(N) _byteswap_ushort(N)
 #endif/* defined(WIN32) */
 
-/*
- * nghttp3_get_uvarint reads variable-length unsigned integer from
- * |p|, and stores it in the buffer pointed by |dest| in host byte
- * order. It returns |p| plus the number of bytes read from |p|.
- */
-constuint8_t*nghttp3_get_uvarint(uint64_t*dest, constuint8_t*p);
-
-/*
- * nghttp3_get_uvarintlen returns the required number of bytes to read
- * variable-length integer starting at |p|.
- */
-size_tnghttp3_get_uvarintlen(constuint8_t*p);
-
-/*
- * nghttp3_get_varint reads variable-length unsigned integer from |p|,
- * and stores it in the buffer pointed by |dest| in host byte order.
- * It returns |p| plus the number of bytes read from |p|.
- */
-staticinlineconstuint8_t*nghttp3_get_varint(int64_t*dest,
-constuint8_t*p) {
-uint64_tn;
-
-p=nghttp3_get_uvarint(&n, p);
-*dest= (int64_t)n;
-
-returnp;
-}
-
 /*
  * nghttp3_put_uint64be writes |n| in host byte order in |p| in
  * network byte order. It returns the one beyond of the last written
@@ -141,18 +113,6 @@ uint8_t *nghttp3_put_uint32be(uint8_t *p, uint32_t n);
  */
 uint8_t*nghttp3_put_uint16be(uint8_t*p, uint16_tn);
 
-/*
- * nghttp3_put_uvarint writes |n| in |p| using variable-length integer
- * encoding. It returns the one beyond of the last written position.
- */
-uint8_t*nghttp3_put_uvarint(uint8_t*p, uint64_tn);
-
-/*
- * nghttp3_put_uvarintlen returns the required number of bytes to
- * encode |n|.
- */
-size_tnghttp3_put_uvarintlen(uint64_tn);
-
 /*
  * nghttp3_ord_stream_id returns the ordinal number of |stream_id|.
  */

deps/ngtcp2/nghttp3/lib/nghttp3_http.c

@@ -36,12 +36,9 @@
 #include"nghttp3_macro.h"
 #include"nghttp3_conv.h"
 #include"nghttp3_unreachable.h"
+#include"nghttp3_str.h"
 #include"sfparse/sfparse.h"
 
-staticuint8_tdowncase(uint8_tc) {
-return'A' <= c&&c <= 'Z' ? (uint8_t)(c-'A'+'a') : c;
-}
-
 /*
  * memieq returns 1 if the data pointed by |a| of length |n| equals to
  * |b| of the same length in case-insensitive manner. The data
@@ -52,7 +49,7 @@ static int memieq(const void *a, const void *b, size_t n) {
 constuint8_t*aa=a, *bb=b;
 
 for (i=0; i<n; ++i) {
-if (aa[i] !=downcase(bb[i])) {
+if (aa[i] !=nghttp3_downcase_byte(bb[i])) {
 return0;
  }
  }
@@ -704,7 +701,7 @@ int nghttp3_check_header_name(const uint8_t *name, size_t len) {
 --len;
  }
 for (last=name+len; name!=last; ++name) {
-if (!VALID_HD_NAME_CHARS[*name]) {
+if (VALID_HD_NAME_CHARS[*name]!=1) {
 return0;
  }
  }

deps/ngtcp2/nghttp3/lib/nghttp3_qpack_huffman.c

@@ -80,7 +80,7 @@ uint8_t *nghttp3_qpack_huffman_encode(uint8_t *dest, const uint8_t *src,
 voidnghttp3_qpack_huffman_decode_context_init(
 nghttp3_qpack_huffman_decode_context*ctx) {
 *ctx= (nghttp3_qpack_huffman_decode_context){
- .flags=NGHTTP3_QPACK_HUFFMAN_ACCEPTED,
+ .flags=NGHTTP3_QPACK_HUFFMAN_FLAG_ACCEPTED,
  };
 }
 
@@ -103,20 +103,20 @@ nghttp3_qpack_huffman_decode(nghttp3_qpack_huffman_decode_context *ctx,
 for (; src!=end;) {
 c=*src++;
 t=qpack_huffman_decode_table[t.fstate][c >> 4];
-if (t.flags&NGHTTP3_QPACK_HUFFMAN_SYM) {
+if (t.flags&NGHTTP3_QPACK_HUFFMAN_FLAG_SYM) {
 *p++=t.sym;
  }
 
 t=qpack_huffman_decode_table[t.fstate][c&0xFU];
-if (t.flags&NGHTTP3_QPACK_HUFFMAN_SYM) {
+if (t.flags&NGHTTP3_QPACK_HUFFMAN_FLAG_SYM) {
 *p++=t.sym;
  }
  }
 
 ctx->fstate=t.fstate;
 ctx->flags=t.flags;
 
-if (fin&& !(ctx->flags&NGHTTP3_QPACK_HUFFMAN_ACCEPTED)) {
+if (fin&& !(ctx->flags&NGHTTP3_QPACK_HUFFMAN_FLAG_ACCEPTED)) {
 returnNGHTTP3_ERR_QPACK_FATAL;
  }
 

deps/ngtcp2/nghttp3/lib/nghttp3_qpack_huffman.h

@@ -46,25 +46,24 @@ size_t nghttp3_qpack_huffman_encode_count(const uint8_t *src, size_t len);
 uint8_t*nghttp3_qpack_huffman_encode(uint8_t*dest, constuint8_t*src,
 size_tsrclen);
 
-typedefenumnghttp3_qpack_huffman_decode_flag {
-/* FSA accepts this state as the end of huffman encoding
- sequence. */
-NGHTTP3_QPACK_HUFFMAN_ACCEPTED=1,
-/* This state emits symbol */
-NGHTTP3_QPACK_HUFFMAN_SYM=1 << 1,
-} nghttp3_qpack_huffman_decode_flag;
+/* NGHTTP3_QPACK_HUFFMAN_FLAG_ACCEPTED indicates that FSA accepts this
+ state as the end of huffman encoding sequence. */
+#defineNGHTTP3_QPACK_HUFFMAN_FLAG_ACCEPTED 0x01U
+/* NGHTTP3_QPACK_HUFFMAN_FLAG_SYM indicates that this state emits
+ symbol */
+#defineNGHTTP3_QPACK_HUFFMAN_FLAG_SYM 0x02U
 
 typedefstructnghttp3_qpack_huffman_decode_node {
 /* fstate is the current huffman decoding state, which is actually
  the node ID of internal huffman tree with
-nghttp3_qpack_huffman_decode_flag OR-ed. We have 257 leaf nodes,
- but they are identical to root node other than emitting a symbol,
- so we have 256 internal nodes [1..256], inclusive. The node ID
- 256 is a special node and it is a terminal state that means
- decoding failed. */
+NGHTTP3_QPACK_HUFFMAN_FLAG_* flags OR-ed. We have 257 leaf
+nodes, but they are identical to root node other than emitting a
+symbol, so we have 256 internal nodes [1..256], inclusive. The
+node ID 256 is a special node and it is a terminal state that
+means decoding failed. */
 uint16_tfstate;
 uint8_tflags;
-/* symbol if NGHTTP3_QPACK_HUFFMAN_SYM flag set */
+/* symbol if NGHTTP3_QPACK_HUFFMAN_FLAG_SYM flag set */
 uint8_tsym;
 } nghttp3_qpack_huffman_decode_node;
 

deps/ngtcp2/nghttp3/lib/includes/nghttp3/nghttp3.h

@@ -2625,6 +2625,25 @@ NGHTTP3_EXTERN nghttp3_ssize nghttp3_conn_writev_stream(nghttp3_conn *conn,
 NGHTTP3_EXTERNintnghttp3_conn_add_write_offset(nghttp3_conn*conn,
 int64_tstream_id, size_tn);
 
+/**
+ * @function
+ *
+ * `nghttp3_conn_is_stream_flushed` returns nonzero if all stream data
+ * for a stream identified by |stream_id| so far have been accepted by
+ * QUIC stack. This means that the cumulative number of bytes that
+ * `nghttp3_conn_add_write_offset` notified covers all stream data
+ * currently held. This does not mean more stream data cannot be
+ * submitted to this stream via :type:`nghttp3_read_data_callback` and
+ * all stream data have been acknowledged.
+ *
+ * If there is no stream identified by |stream_id|, this function
+ * returns nonzero.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNintnghttp3_conn_is_stream_flushed(constnghttp3_conn*conn,
+int64_tstream_id);
+
 /**
  * @function
  *
@@ -3418,6 +3437,75 @@ NGHTTP3_EXTERN const nghttp3_info *nghttp3_version(int least_version);
  */
 NGHTTP3_EXTERNintnghttp3_err_is_fatal(intliberr);
 
+/**
+ * @function
+ *
+ * `nghttp3_get_uvarint` reads variable-length unsigned integer from
+ * the buffer pointed by |p|, and stores it in the object pointed by
+ * |dest| in host byte order. It returns |p| plus the number of bytes
+ * read from |p|. This function assumes that |p| points to the buffer
+ * that contains a valid variable-length unsigned integer. Use
+ * `nghttp3_get_uvarintlen` to get the number of bytes to successfully
+ * decode an integer.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNconstuint8_t*nghttp3_get_uvarint(uint64_t*dest,
+constuint8_t*p);
+
+/**
+ * @function
+ *
+ * `nghttp3_get_uvarintlen` returns the required number of bytes to
+ * read variable-length unsigned integer starting at |p|. |p| must
+ * not be NULL. This function only reads the single byte from the
+ * buffer pointed by |p|, and determines the number of bytes to read.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNsize_tnghttp3_get_uvarintlen(constuint8_t*p);
+
+/**
+ * @function
+ *
+ * `nghttp3_get_varint` reads variable-length unsigned integer from
+ * the buffer pointed by |p|, and stores it in the object pointed by
+ * |dest| in host byte order. It returns |p| plus the number of bytes
+ * read from |p|. This function assumes that |p| points to the buffer
+ * that contains a valid variable-length unsigned integer. Use
+ * `nghttp3_get_uvarintlen` to get the number of bytes to successfully
+ * decode an integer.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNconstuint8_t*nghttp3_get_varint(int64_t*dest,
+constuint8_t*p);
+
+/**
+ * @function
+ *
+ * `nghttp3_put_uvarint` writes |n| to the buffer pointed by |p| using
+ * variable-length unsigned integer encoding. It returns the one
+ * beyond of the last written position. This function assumes that
+ * the buffer pointed by |p| has sufficient capacity to encode |n|.
+ * To know the required capacity, use `nghttp3_put_uvarintlen`. |n|
+ * must be less than or equal to (1 << 62) - 1.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNuint8_t*nghttp3_put_uvarint(uint8_t*p, uint64_tn);
+
+/**
+ * @function
+ *
+ * `nghttp3_put_uvarintlen` returns the required number of bytes to
+ * encode |n| in variable-length unsigned integer encoding. |n| must
+ * be less than or equal to (1 << 62) - 1.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNsize_tnghttp3_put_uvarintlen(uint64_tn);
+
 /*
  * Versioned function wrappers
  */

deps/ngtcp2/nghttp3/lib/includes/nghttp3/version.h

@@ -31,7 +31,7 @@
  *
  * Version number of the nghttp3 library release.
  */
-#defineNGHTTP3_VERSION "1.16.0"
+#defineNGHTTP3_VERSION "1.17.0"
 
 /**
  * @macro
@@ -41,6 +41,6 @@
  * number, 8 bits for minor and 8 bits for patch. Version 1.2.3
  * becomes 0x010203.
  */
-#defineNGHTTP3_VERSION_NUM0x011000
+#defineNGHTTP3_VERSION_NUM0x011100
 
 #endif/* !defined(NGHTTP3_VERSION_H) */

deps/ngtcp2/nghttp3/lib/nghttp3_conn.c

@@ -2979,3 +2979,25 @@ int nghttp3_conn_is_drained2(const nghttp3_conn *conn) {
 nghttp3_stream_outq_write_done(conn->tx.ctrl) &&
 nghttp3_ringbuf_len(&conn->tx.ctrl->frq) ==0;
 }
+
+intnghttp3_conn_is_stream_flushed(constnghttp3_conn*conn,
+int64_tstream_id) {
+nghttp3_stream*stream=nghttp3_conn_find_stream(conn, stream_id);
+constnghttp3_frame*fr;
+
+if (!stream) {
+return1;
+ }
+
+if (!nghttp3_stream_outq_write_done(stream)) {
+return0;
+ }
+
+if (nghttp3_ringbuf_len(&stream->frq) ==0) {
+return1;
+ }
+
+fr=nghttp3_ringbuf_get(&stream->frq, 0);
+
+returnfr->hd.type==NGHTTP3_FRAME_DATA;
+}

deps/ngtcp2/nghttp3/lib/nghttp3_conv.c

@@ -70,6 +70,15 @@ size_t nghttp3_get_uvarintlen(const uint8_t *p) {
 return (size_t)(1U << (*p >> 6));
 }
 
+constuint8_t*nghttp3_get_varint(int64_t*dest, constuint8_t*p) {
+uint64_tn;
+
+p=nghttp3_get_uvarint(&n, p);
+*dest= (int64_t)n;
+
+returnp;
+}
+
 uint8_t*nghttp3_put_uint64be(uint8_t*p, uint64_tn) {
 n=nghttp3_htonl64(n);
 returnnghttp3_cpymem(p, (constuint8_t*)&n, sizeof(n));

deps/ngtcp2/nghttp3/lib/nghttp3_conv.h

@@ -92,34 +92,6 @@
 # definentohs(N) _byteswap_ushort(N)
 #endif/* defined(WIN32) */
 
-/*
- * nghttp3_get_uvarint reads variable-length unsigned integer from
- * |p|, and stores it in the buffer pointed by |dest| in host byte
- * order. It returns |p| plus the number of bytes read from |p|.
- */
-constuint8_t*nghttp3_get_uvarint(uint64_t*dest, constuint8_t*p);
-
-/*
- * nghttp3_get_uvarintlen returns the required number of bytes to read
- * variable-length integer starting at |p|.
- */
-size_tnghttp3_get_uvarintlen(constuint8_t*p);
-
-/*
- * nghttp3_get_varint reads variable-length unsigned integer from |p|,
- * and stores it in the buffer pointed by |dest| in host byte order.
- * It returns |p| plus the number of bytes read from |p|.
- */
-staticinlineconstuint8_t*nghttp3_get_varint(int64_t*dest,
-constuint8_t*p) {
-uint64_tn;
-
-p=nghttp3_get_uvarint(&n, p);
-*dest= (int64_t)n;
-
-returnp;
-}
-
 /*
  * nghttp3_put_uint64be writes |n| in host byte order in |p| in
  * network byte order. It returns the one beyond of the last written
@@ -141,18 +113,6 @@ uint8_t *nghttp3_put_uint32be(uint8_t *p, uint32_t n);
  */
 uint8_t*nghttp3_put_uint16be(uint8_t*p, uint16_tn);
 
-/*
- * nghttp3_put_uvarint writes |n| in |p| using variable-length integer
- * encoding. It returns the one beyond of the last written position.
- */
-uint8_t*nghttp3_put_uvarint(uint8_t*p, uint64_tn);
-
-/*
- * nghttp3_put_uvarintlen returns the required number of bytes to
- * encode |n|.
- */
-size_tnghttp3_put_uvarintlen(uint64_tn);
-
 /*
  * nghttp3_ord_stream_id returns the ordinal number of |stream_id|.
  */

deps/ngtcp2/nghttp3/lib/nghttp3_http.c

@@ -36,12 +36,9 @@
 #include"nghttp3_macro.h"
 #include"nghttp3_conv.h"
 #include"nghttp3_unreachable.h"
+#include"nghttp3_str.h"
 #include"sfparse/sfparse.h"
 
-staticuint8_tdowncase(uint8_tc) {
-return'A' <= c&&c <= 'Z' ? (uint8_t)(c-'A'+'a') : c;
-}
-
 /*
  * memieq returns 1 if the data pointed by |a| of length |n| equals to
  * |b| of the same length in case-insensitive manner. The data
@@ -52,7 +49,7 @@ static int memieq(const void *a, const void *b, size_t n) {
 constuint8_t*aa=a, *bb=b;
 
 for (i=0; i<n; ++i) {
-if (aa[i] !=downcase(bb[i])) {
+if (aa[i] !=nghttp3_downcase_byte(bb[i])) {
 return0;
  }
  }
@@ -704,7 +701,7 @@ int nghttp3_check_header_name(const uint8_t *name, size_t len) {
 --len;
  }
 for (last=name+len; name!=last; ++name) {
-if (!VALID_HD_NAME_CHARS[*name]) {
+if (VALID_HD_NAME_CHARS[*name]!=1) {
 return0;
  }
  }

deps/ngtcp2/nghttp3/lib/nghttp3_qpack_huffman.c

@@ -80,7 +80,7 @@ uint8_t *nghttp3_qpack_huffman_encode(uint8_t *dest, const uint8_t *src,
 voidnghttp3_qpack_huffman_decode_context_init(
 nghttp3_qpack_huffman_decode_context*ctx) {
 *ctx= (nghttp3_qpack_huffman_decode_context){
- .flags=NGHTTP3_QPACK_HUFFMAN_ACCEPTED,
+ .flags=NGHTTP3_QPACK_HUFFMAN_FLAG_ACCEPTED,
  };
 }
 
@@ -103,20 +103,20 @@ nghttp3_qpack_huffman_decode(nghttp3_qpack_huffman_decode_context *ctx,
 for (; src!=end;) {
 c=*src++;
 t=qpack_huffman_decode_table[t.fstate][c >> 4];
-if (t.flags&NGHTTP3_QPACK_HUFFMAN_SYM) {
+if (t.flags&NGHTTP3_QPACK_HUFFMAN_FLAG_SYM) {
 *p++=t.sym;
  }
 
 t=qpack_huffman_decode_table[t.fstate][c&0xFU];
-if (t.flags&NGHTTP3_QPACK_HUFFMAN_SYM) {
+if (t.flags&NGHTTP3_QPACK_HUFFMAN_FLAG_SYM) {
 *p++=t.sym;
  }
  }
 
 ctx->fstate=t.fstate;
 ctx->flags=t.flags;
 
-if (fin&& !(ctx->flags&NGHTTP3_QPACK_HUFFMAN_ACCEPTED)) {
+if (fin&& !(ctx->flags&NGHTTP3_QPACK_HUFFMAN_FLAG_ACCEPTED)) {
 returnNGHTTP3_ERR_QPACK_FATAL;
  }
 

deps/ngtcp2/nghttp3/lib/nghttp3_qpack_huffman.h

@@ -46,25 +46,24 @@ size_t nghttp3_qpack_huffman_encode_count(const uint8_t *src, size_t len);
 uint8_t*nghttp3_qpack_huffman_encode(uint8_t*dest, constuint8_t*src,
 size_tsrclen);
 
-typedefenumnghttp3_qpack_huffman_decode_flag {
-/* FSA accepts this state as the end of huffman encoding
- sequence. */
-NGHTTP3_QPACK_HUFFMAN_ACCEPTED=1,
-/* This state emits symbol */
-NGHTTP3_QPACK_HUFFMAN_SYM=1 << 1,
-} nghttp3_qpack_huffman_decode_flag;
+/* NGHTTP3_QPACK_HUFFMAN_FLAG_ACCEPTED indicates that FSA accepts this
+ state as the end of huffman encoding sequence. */
+#defineNGHTTP3_QPACK_HUFFMAN_FLAG_ACCEPTED 0x01U
+/* NGHTTP3_QPACK_HUFFMAN_FLAG_SYM indicates that this state emits
+ symbol */
+#defineNGHTTP3_QPACK_HUFFMAN_FLAG_SYM 0x02U
 
 typedefstructnghttp3_qpack_huffman_decode_node {
 /* fstate is the current huffman decoding state, which is actually
  the node ID of internal huffman tree with
-nghttp3_qpack_huffman_decode_flag OR-ed. We have 257 leaf nodes,
- but they are identical to root node other than emitting a symbol,
- so we have 256 internal nodes [1..256], inclusive. The node ID
- 256 is a special node and it is a terminal state that means
- decoding failed. */
+NGHTTP3_QPACK_HUFFMAN_FLAG_* flags OR-ed. We have 257 leaf
+nodes, but they are identical to root node other than emitting a
+symbol, so we have 256 internal nodes [1..256], inclusive. The
+node ID 256 is a special node and it is a terminal state that
+means decoding failed. */
 uint16_tfstate;
 uint8_tflags;
-/* symbol if NGHTTP3_QPACK_HUFFMAN_SYM flag set */
+/* symbol if NGHTTP3_QPACK_HUFFMAN_FLAG_SYM flag set */
 uint8_tsym;
 } nghttp3_qpack_huffman_decode_node;
 

deps/ngtcp2/nghttp3/lib/includes/nghttp3/nghttp3.h

@@ -2625,6 +2625,25 @@ NGHTTP3_EXTERN nghttp3_ssize nghttp3_conn_writev_stream(nghttp3_conn *conn,
 NGHTTP3_EXTERNintnghttp3_conn_add_write_offset(nghttp3_conn*conn,
 int64_tstream_id, size_tn);
 
+/**
+ * @function
+ *
+ * `nghttp3_conn_is_stream_flushed` returns nonzero if all stream data
+ * for a stream identified by |stream_id| so far have been accepted by
+ * QUIC stack. This means that the cumulative number of bytes that
+ * `nghttp3_conn_add_write_offset` notified covers all stream data
+ * currently held. This does not mean more stream data cannot be
+ * submitted to this stream via :type:`nghttp3_read_data_callback` and
+ * all stream data have been acknowledged.
+ *
+ * If there is no stream identified by |stream_id|, this function
+ * returns nonzero.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNintnghttp3_conn_is_stream_flushed(constnghttp3_conn*conn,
+int64_tstream_id);
+
 /**
  * @function
  *
@@ -3418,6 +3437,75 @@ NGHTTP3_EXTERN const nghttp3_info *nghttp3_version(int least_version);
  */
 NGHTTP3_EXTERNintnghttp3_err_is_fatal(intliberr);
 
+/**
+ * @function
+ *
+ * `nghttp3_get_uvarint` reads variable-length unsigned integer from
+ * the buffer pointed by |p|, and stores it in the object pointed by
+ * |dest| in host byte order. It returns |p| plus the number of bytes
+ * read from |p|. This function assumes that |p| points to the buffer
+ * that contains a valid variable-length unsigned integer. Use
+ * `nghttp3_get_uvarintlen` to get the number of bytes to successfully
+ * decode an integer.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNconstuint8_t*nghttp3_get_uvarint(uint64_t*dest,
+constuint8_t*p);
+
+/**
+ * @function
+ *
+ * `nghttp3_get_uvarintlen` returns the required number of bytes to
+ * read variable-length unsigned integer starting at |p|. |p| must
+ * not be NULL. This function only reads the single byte from the
+ * buffer pointed by |p|, and determines the number of bytes to read.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNsize_tnghttp3_get_uvarintlen(constuint8_t*p);
+
+/**
+ * @function
+ *
+ * `nghttp3_get_varint` reads variable-length unsigned integer from
+ * the buffer pointed by |p|, and stores it in the object pointed by
+ * |dest| in host byte order. It returns |p| plus the number of bytes
+ * read from |p|. This function assumes that |p| points to the buffer
+ * that contains a valid variable-length unsigned integer. Use
+ * `nghttp3_get_uvarintlen` to get the number of bytes to successfully
+ * decode an integer.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNconstuint8_t*nghttp3_get_varint(int64_t*dest,
+constuint8_t*p);
+
+/**
+ * @function
+ *
+ * `nghttp3_put_uvarint` writes |n| to the buffer pointed by |p| using
+ * variable-length unsigned integer encoding. It returns the one
+ * beyond of the last written position. This function assumes that
+ * the buffer pointed by |p| has sufficient capacity to encode |n|.
+ * To know the required capacity, use `nghttp3_put_uvarintlen`. |n|
+ * must be less than or equal to (1 << 62) - 1.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNuint8_t*nghttp3_put_uvarint(uint8_t*p, uint64_tn);
+
+/**
+ * @function
+ *
+ * `nghttp3_put_uvarintlen` returns the required number of bytes to
+ * encode |n| in variable-length unsigned integer encoding. |n| must
+ * be less than or equal to (1 << 62) - 1.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNsize_tnghttp3_put_uvarintlen(uint64_tn);
+
 /*
  * Versioned function wrappers
  */

deps/ngtcp2/nghttp3/lib/includes/nghttp3/version.h

@@ -31,7 +31,7 @@
  *
  * Version number of the nghttp3 library release.
  */
-#defineNGHTTP3_VERSION "1.16.0"
+#defineNGHTTP3_VERSION "1.17.0"
 
 /**
  * @macro
@@ -41,6 +41,6 @@
  * number, 8 bits for minor and 8 bits for patch. Version 1.2.3
  * becomes 0x010203.
  */
-#defineNGHTTP3_VERSION_NUM0x011000
+#defineNGHTTP3_VERSION_NUM0x011100
 
 #endif/* !defined(NGHTTP3_VERSION_H) */

deps/ngtcp2/nghttp3/lib/nghttp3_conn.c

@@ -2979,3 +2979,25 @@ int nghttp3_conn_is_drained2(const nghttp3_conn *conn) {
 nghttp3_stream_outq_write_done(conn->tx.ctrl) &&
 nghttp3_ringbuf_len(&conn->tx.ctrl->frq) ==0;
 }
+
+intnghttp3_conn_is_stream_flushed(constnghttp3_conn*conn,
+int64_tstream_id) {
+nghttp3_stream*stream=nghttp3_conn_find_stream(conn, stream_id);
+constnghttp3_frame*fr;
+
+if (!stream) {
+return1;
+ }
+
+if (!nghttp3_stream_outq_write_done(stream)) {
+return0;
+ }
+
+if (nghttp3_ringbuf_len(&stream->frq) ==0) {
+return1;
+ }
+
+fr=nghttp3_ringbuf_get(&stream->frq, 0);
+
+returnfr->hd.type==NGHTTP3_FRAME_DATA;
+}

deps/ngtcp2/nghttp3/lib/nghttp3_conv.c

@@ -70,6 +70,15 @@ size_t nghttp3_get_uvarintlen(const uint8_t *p) {
 return (size_t)(1U << (*p >> 6));
 }
 
+constuint8_t*nghttp3_get_varint(int64_t*dest, constuint8_t*p) {
+uint64_tn;
+
+p=nghttp3_get_uvarint(&n, p);
+*dest= (int64_t)n;
+
+returnp;
+}
+
 uint8_t*nghttp3_put_uint64be(uint8_t*p, uint64_tn) {
 n=nghttp3_htonl64(n);
 returnnghttp3_cpymem(p, (constuint8_t*)&n, sizeof(n));

deps/ngtcp2/nghttp3/lib/nghttp3_conv.h

@@ -92,34 +92,6 @@
 # definentohs(N) _byteswap_ushort(N)
 #endif/* defined(WIN32) */
 
-/*
- * nghttp3_get_uvarint reads variable-length unsigned integer from
- * |p|, and stores it in the buffer pointed by |dest| in host byte
- * order. It returns |p| plus the number of bytes read from |p|.
- */
-constuint8_t*nghttp3_get_uvarint(uint64_t*dest, constuint8_t*p);
-
-/*
- * nghttp3_get_uvarintlen returns the required number of bytes to read
- * variable-length integer starting at |p|.
- */
-size_tnghttp3_get_uvarintlen(constuint8_t*p);
-
-/*
- * nghttp3_get_varint reads variable-length unsigned integer from |p|,
- * and stores it in the buffer pointed by |dest| in host byte order.
- * It returns |p| plus the number of bytes read from |p|.
- */
-staticinlineconstuint8_t*nghttp3_get_varint(int64_t*dest,
-constuint8_t*p) {
-uint64_tn;
-
-p=nghttp3_get_uvarint(&n, p);
-*dest= (int64_t)n;
-
-returnp;
-}
-
 /*
  * nghttp3_put_uint64be writes |n| in host byte order in |p| in
  * network byte order. It returns the one beyond of the last written
@@ -141,18 +113,6 @@ uint8_t *nghttp3_put_uint32be(uint8_t *p, uint32_t n);
  */
 uint8_t*nghttp3_put_uint16be(uint8_t*p, uint16_tn);
 
-/*
- * nghttp3_put_uvarint writes |n| in |p| using variable-length integer
- * encoding. It returns the one beyond of the last written position.
- */
-uint8_t*nghttp3_put_uvarint(uint8_t*p, uint64_tn);
-
-/*
- * nghttp3_put_uvarintlen returns the required number of bytes to
- * encode |n|.
- */
-size_tnghttp3_put_uvarintlen(uint64_tn);
-
 /*
  * nghttp3_ord_stream_id returns the ordinal number of |stream_id|.
  */

deps/ngtcp2/nghttp3/lib/nghttp3_http.c

@@ -36,12 +36,9 @@
 #include"nghttp3_macro.h"
 #include"nghttp3_conv.h"
 #include"nghttp3_unreachable.h"
+#include"nghttp3_str.h"
 #include"sfparse/sfparse.h"
 
-staticuint8_tdowncase(uint8_tc) {
-return'A' <= c&&c <= 'Z' ? (uint8_t)(c-'A'+'a') : c;
-}
-
 /*
  * memieq returns 1 if the data pointed by |a| of length |n| equals to
  * |b| of the same length in case-insensitive manner. The data
@@ -52,7 +49,7 @@ static int memieq(const void *a, const void *b, size_t n) {
 constuint8_t*aa=a, *bb=b;
 
 for (i=0; i<n; ++i) {
-if (aa[i] !=downcase(bb[i])) {
+if (aa[i] !=nghttp3_downcase_byte(bb[i])) {
 return0;
  }
  }
@@ -704,7 +701,7 @@ int nghttp3_check_header_name(const uint8_t *name, size_t len) {
 --len;
  }
 for (last=name+len; name!=last; ++name) {
-if (!VALID_HD_NAME_CHARS[*name]) {
+if (VALID_HD_NAME_CHARS[*name]!=1) {
 return0;
  }
  }

deps/ngtcp2/nghttp3/lib/nghttp3_qpack_huffman.c

@@ -80,7 +80,7 @@ uint8_t *nghttp3_qpack_huffman_encode(uint8_t *dest, const uint8_t *src,
 voidnghttp3_qpack_huffman_decode_context_init(
 nghttp3_qpack_huffman_decode_context*ctx) {
 *ctx= (nghttp3_qpack_huffman_decode_context){
- .flags=NGHTTP3_QPACK_HUFFMAN_ACCEPTED,
+ .flags=NGHTTP3_QPACK_HUFFMAN_FLAG_ACCEPTED,
  };
 }
 
@@ -103,20 +103,20 @@ nghttp3_qpack_huffman_decode(nghttp3_qpack_huffman_decode_context *ctx,
 for (; src!=end;) {
 c=*src++;
 t=qpack_huffman_decode_table[t.fstate][c >> 4];
-if (t.flags&NGHTTP3_QPACK_HUFFMAN_SYM) {
+if (t.flags&NGHTTP3_QPACK_HUFFMAN_FLAG_SYM) {
 *p++=t.sym;
  }
 
 t=qpack_huffman_decode_table[t.fstate][c&0xFU];
-if (t.flags&NGHTTP3_QPACK_HUFFMAN_SYM) {
+if (t.flags&NGHTTP3_QPACK_HUFFMAN_FLAG_SYM) {
 *p++=t.sym;
  }
  }
 
 ctx->fstate=t.fstate;
 ctx->flags=t.flags;
 
-if (fin&& !(ctx->flags&NGHTTP3_QPACK_HUFFMAN_ACCEPTED)) {
+if (fin&& !(ctx->flags&NGHTTP3_QPACK_HUFFMAN_FLAG_ACCEPTED)) {
 returnNGHTTP3_ERR_QPACK_FATAL;
  }
 

deps/ngtcp2/nghttp3/lib/nghttp3_qpack_huffman.h

@@ -46,25 +46,24 @@ size_t nghttp3_qpack_huffman_encode_count(const uint8_t *src, size_t len);
 uint8_t*nghttp3_qpack_huffman_encode(uint8_t*dest, constuint8_t*src,
 size_tsrclen);
 
-typedefenumnghttp3_qpack_huffman_decode_flag {
-/* FSA accepts this state as the end of huffman encoding
- sequence. */
-NGHTTP3_QPACK_HUFFMAN_ACCEPTED=1,
-/* This state emits symbol */
-NGHTTP3_QPACK_HUFFMAN_SYM=1 << 1,
-} nghttp3_qpack_huffman_decode_flag;
+/* NGHTTP3_QPACK_HUFFMAN_FLAG_ACCEPTED indicates that FSA accepts this
+ state as the end of huffman encoding sequence. */
+#defineNGHTTP3_QPACK_HUFFMAN_FLAG_ACCEPTED 0x01U
+/* NGHTTP3_QPACK_HUFFMAN_FLAG_SYM indicates that this state emits
+ symbol */
+#defineNGHTTP3_QPACK_HUFFMAN_FLAG_SYM 0x02U
 
 typedefstructnghttp3_qpack_huffman_decode_node {
 /* fstate is the current huffman decoding state, which is actually
  the node ID of internal huffman tree with
-nghttp3_qpack_huffman_decode_flag OR-ed. We have 257 leaf nodes,
- but they are identical to root node other than emitting a symbol,
- so we have 256 internal nodes [1..256], inclusive. The node ID
- 256 is a special node and it is a terminal state that means
- decoding failed. */
+NGHTTP3_QPACK_HUFFMAN_FLAG_* flags OR-ed. We have 257 leaf
+nodes, but they are identical to root node other than emitting a
+symbol, so we have 256 internal nodes [1..256], inclusive. The
+node ID 256 is a special node and it is a terminal state that
+means decoding failed. */
 uint16_tfstate;
 uint8_tflags;
-/* symbol if NGHTTP3_QPACK_HUFFMAN_SYM flag set */
+/* symbol if NGHTTP3_QPACK_HUFFMAN_FLAG_SYM flag set */
 uint8_tsym;
 } nghttp3_qpack_huffman_decode_node;
 

deps/ngtcp2/nghttp3/lib/includes/nghttp3/nghttp3.h

@@ -2625,6 +2625,25 @@ NGHTTP3_EXTERN nghttp3_ssize nghttp3_conn_writev_stream(nghttp3_conn *conn,
 NGHTTP3_EXTERNintnghttp3_conn_add_write_offset(nghttp3_conn*conn,
 int64_tstream_id, size_tn);
 
+/**
+ * @function
+ *
+ * `nghttp3_conn_is_stream_flushed` returns nonzero if all stream data
+ * for a stream identified by |stream_id| so far have been accepted by
+ * QUIC stack. This means that the cumulative number of bytes that
+ * `nghttp3_conn_add_write_offset` notified covers all stream data
+ * currently held. This does not mean more stream data cannot be
+ * submitted to this stream via :type:`nghttp3_read_data_callback` and
+ * all stream data have been acknowledged.
+ *
+ * If there is no stream identified by |stream_id|, this function
+ * returns nonzero.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNintnghttp3_conn_is_stream_flushed(constnghttp3_conn*conn,
+int64_tstream_id);
+
 /**
  * @function
  *
@@ -3418,6 +3437,75 @@ NGHTTP3_EXTERN const nghttp3_info *nghttp3_version(int least_version);
  */
 NGHTTP3_EXTERNintnghttp3_err_is_fatal(intliberr);
 
+/**
+ * @function
+ *
+ * `nghttp3_get_uvarint` reads variable-length unsigned integer from
+ * the buffer pointed by |p|, and stores it in the object pointed by
+ * |dest| in host byte order. It returns |p| plus the number of bytes
+ * read from |p|. This function assumes that |p| points to the buffer
+ * that contains a valid variable-length unsigned integer. Use
+ * `nghttp3_get_uvarintlen` to get the number of bytes to successfully
+ * decode an integer.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNconstuint8_t*nghttp3_get_uvarint(uint64_t*dest,
+constuint8_t*p);
+
+/**
+ * @function
+ *
+ * `nghttp3_get_uvarintlen` returns the required number of bytes to
+ * read variable-length unsigned integer starting at |p|. |p| must
+ * not be NULL. This function only reads the single byte from the
+ * buffer pointed by |p|, and determines the number of bytes to read.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNsize_tnghttp3_get_uvarintlen(constuint8_t*p);
+
+/**
+ * @function
+ *
+ * `nghttp3_get_varint` reads variable-length unsigned integer from
+ * the buffer pointed by |p|, and stores it in the object pointed by
+ * |dest| in host byte order. It returns |p| plus the number of bytes
+ * read from |p|. This function assumes that |p| points to the buffer
+ * that contains a valid variable-length unsigned integer. Use
+ * `nghttp3_get_uvarintlen` to get the number of bytes to successfully
+ * decode an integer.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNconstuint8_t*nghttp3_get_varint(int64_t*dest,
+constuint8_t*p);
+
+/**
+ * @function
+ *
+ * `nghttp3_put_uvarint` writes |n| to the buffer pointed by |p| using
+ * variable-length unsigned integer encoding. It returns the one
+ * beyond of the last written position. This function assumes that
+ * the buffer pointed by |p| has sufficient capacity to encode |n|.
+ * To know the required capacity, use `nghttp3_put_uvarintlen`. |n|
+ * must be less than or equal to (1 << 62) - 1.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNuint8_t*nghttp3_put_uvarint(uint8_t*p, uint64_tn);
+
+/**
+ * @function
+ *
+ * `nghttp3_put_uvarintlen` returns the required number of bytes to
+ * encode |n| in variable-length unsigned integer encoding. |n| must
+ * be less than or equal to (1 << 62) - 1.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNsize_tnghttp3_put_uvarintlen(uint64_tn);
+
 /*
  * Versioned function wrappers
  */

deps/ngtcp2/nghttp3/lib/includes/nghttp3/version.h

@@ -31,7 +31,7 @@
  *
  * Version number of the nghttp3 library release.
  */
-#defineNGHTTP3_VERSION "1.16.0"
+#defineNGHTTP3_VERSION "1.17.0"
 
 /**
  * @macro
@@ -41,6 +41,6 @@
  * number, 8 bits for minor and 8 bits for patch. Version 1.2.3
  * becomes 0x010203.
  */
-#defineNGHTTP3_VERSION_NUM0x011000
+#defineNGHTTP3_VERSION_NUM0x011100
 
 #endif/* !defined(NGHTTP3_VERSION_H) */

deps/ngtcp2/nghttp3/lib/nghttp3_conn.c

@@ -2979,3 +2979,25 @@ int nghttp3_conn_is_drained2(const nghttp3_conn *conn) {
 nghttp3_stream_outq_write_done(conn->tx.ctrl) &&
 nghttp3_ringbuf_len(&conn->tx.ctrl->frq) ==0;
 }
+
+intnghttp3_conn_is_stream_flushed(constnghttp3_conn*conn,
+int64_tstream_id) {
+nghttp3_stream*stream=nghttp3_conn_find_stream(conn, stream_id);
+constnghttp3_frame*fr;
+
+if (!stream) {
+return1;
+ }
+
+if (!nghttp3_stream_outq_write_done(stream)) {
+return0;
+ }
+
+if (nghttp3_ringbuf_len(&stream->frq) ==0) {
+return1;
+ }
+
+fr=nghttp3_ringbuf_get(&stream->frq, 0);
+
+returnfr->hd.type==NGHTTP3_FRAME_DATA;
+}

deps/ngtcp2/nghttp3/lib/nghttp3_conv.c

@@ -70,6 +70,15 @@ size_t nghttp3_get_uvarintlen(const uint8_t *p) {
 return (size_t)(1U << (*p >> 6));
 }
 
+constuint8_t*nghttp3_get_varint(int64_t*dest, constuint8_t*p) {
+uint64_tn;
+
+p=nghttp3_get_uvarint(&n, p);
+*dest= (int64_t)n;
+
+returnp;
+}
+
 uint8_t*nghttp3_put_uint64be(uint8_t*p, uint64_tn) {
 n=nghttp3_htonl64(n);
 returnnghttp3_cpymem(p, (constuint8_t*)&n, sizeof(n));

deps/ngtcp2/nghttp3/lib/nghttp3_conv.h

@@ -92,34 +92,6 @@
 # definentohs(N) _byteswap_ushort(N)
 #endif/* defined(WIN32) */
 
-/*
- * nghttp3_get_uvarint reads variable-length unsigned integer from
- * |p|, and stores it in the buffer pointed by |dest| in host byte
- * order. It returns |p| plus the number of bytes read from |p|.
- */
-constuint8_t*nghttp3_get_uvarint(uint64_t*dest, constuint8_t*p);
-
-/*
- * nghttp3_get_uvarintlen returns the required number of bytes to read
- * variable-length integer starting at |p|.
- */
-size_tnghttp3_get_uvarintlen(constuint8_t*p);
-
-/*
- * nghttp3_get_varint reads variable-length unsigned integer from |p|,
- * and stores it in the buffer pointed by |dest| in host byte order.
- * It returns |p| plus the number of bytes read from |p|.
- */
-staticinlineconstuint8_t*nghttp3_get_varint(int64_t*dest,
-constuint8_t*p) {
-uint64_tn;
-
-p=nghttp3_get_uvarint(&n, p);
-*dest= (int64_t)n;
-
-returnp;
-}
-
 /*
  * nghttp3_put_uint64be writes |n| in host byte order in |p| in
  * network byte order. It returns the one beyond of the last written
@@ -141,18 +113,6 @@ uint8_t *nghttp3_put_uint32be(uint8_t *p, uint32_t n);
  */
 uint8_t*nghttp3_put_uint16be(uint8_t*p, uint16_tn);
 
-/*
- * nghttp3_put_uvarint writes |n| in |p| using variable-length integer
- * encoding. It returns the one beyond of the last written position.
- */
-uint8_t*nghttp3_put_uvarint(uint8_t*p, uint64_tn);
-
-/*
- * nghttp3_put_uvarintlen returns the required number of bytes to
- * encode |n|.
- */
-size_tnghttp3_put_uvarintlen(uint64_tn);
-
 /*
  * nghttp3_ord_stream_id returns the ordinal number of |stream_id|.
  */

deps/ngtcp2/nghttp3/lib/nghttp3_http.c

@@ -36,12 +36,9 @@
 #include"nghttp3_macro.h"
 #include"nghttp3_conv.h"
 #include"nghttp3_unreachable.h"
+#include"nghttp3_str.h"
 #include"sfparse/sfparse.h"
 
-staticuint8_tdowncase(uint8_tc) {
-return'A' <= c&&c <= 'Z' ? (uint8_t)(c-'A'+'a') : c;
-}
-
 /*
  * memieq returns 1 if the data pointed by |a| of length |n| equals to
  * |b| of the same length in case-insensitive manner. The data
@@ -52,7 +49,7 @@ static int memieq(const void *a, const void *b, size_t n) {
 constuint8_t*aa=a, *bb=b;
 
 for (i=0; i<n; ++i) {
-if (aa[i] !=downcase(bb[i])) {
+if (aa[i] !=nghttp3_downcase_byte(bb[i])) {
 return0;
  }
  }
@@ -704,7 +701,7 @@ int nghttp3_check_header_name(const uint8_t *name, size_t len) {
 --len;
  }
 for (last=name+len; name!=last; ++name) {
-if (!VALID_HD_NAME_CHARS[*name]) {
+if (VALID_HD_NAME_CHARS[*name]!=1) {
 return0;
  }
  }

deps/ngtcp2/nghttp3/lib/nghttp3_qpack_huffman.c

@@ -80,7 +80,7 @@ uint8_t *nghttp3_qpack_huffman_encode(uint8_t *dest, const uint8_t *src,
 voidnghttp3_qpack_huffman_decode_context_init(
 nghttp3_qpack_huffman_decode_context*ctx) {
 *ctx= (nghttp3_qpack_huffman_decode_context){
- .flags=NGHTTP3_QPACK_HUFFMAN_ACCEPTED,
+ .flags=NGHTTP3_QPACK_HUFFMAN_FLAG_ACCEPTED,
  };
 }
 
@@ -103,20 +103,20 @@ nghttp3_qpack_huffman_decode(nghttp3_qpack_huffman_decode_context *ctx,
 for (; src!=end;) {
 c=*src++;
 t=qpack_huffman_decode_table[t.fstate][c >> 4];
-if (t.flags&NGHTTP3_QPACK_HUFFMAN_SYM) {
+if (t.flags&NGHTTP3_QPACK_HUFFMAN_FLAG_SYM) {
 *p++=t.sym;
  }
 
 t=qpack_huffman_decode_table[t.fstate][c&0xFU];
-if (t.flags&NGHTTP3_QPACK_HUFFMAN_SYM) {
+if (t.flags&NGHTTP3_QPACK_HUFFMAN_FLAG_SYM) {
 *p++=t.sym;
  }
  }
 
 ctx->fstate=t.fstate;
 ctx->flags=t.flags;
 
-if (fin&& !(ctx->flags&NGHTTP3_QPACK_HUFFMAN_ACCEPTED)) {
+if (fin&& !(ctx->flags&NGHTTP3_QPACK_HUFFMAN_FLAG_ACCEPTED)) {
 returnNGHTTP3_ERR_QPACK_FATAL;
  }
 

deps/ngtcp2/nghttp3/lib/nghttp3_qpack_huffman.h

@@ -46,25 +46,24 @@ size_t nghttp3_qpack_huffman_encode_count(const uint8_t *src, size_t len);
 uint8_t*nghttp3_qpack_huffman_encode(uint8_t*dest, constuint8_t*src,
 size_tsrclen);
 
-typedefenumnghttp3_qpack_huffman_decode_flag {
-/* FSA accepts this state as the end of huffman encoding
- sequence. */
-NGHTTP3_QPACK_HUFFMAN_ACCEPTED=1,
-/* This state emits symbol */
-NGHTTP3_QPACK_HUFFMAN_SYM=1 << 1,
-} nghttp3_qpack_huffman_decode_flag;
+/* NGHTTP3_QPACK_HUFFMAN_FLAG_ACCEPTED indicates that FSA accepts this
+ state as the end of huffman encoding sequence. */
+#defineNGHTTP3_QPACK_HUFFMAN_FLAG_ACCEPTED 0x01U
+/* NGHTTP3_QPACK_HUFFMAN_FLAG_SYM indicates that this state emits
+ symbol */
+#defineNGHTTP3_QPACK_HUFFMAN_FLAG_SYM 0x02U
 
 typedefstructnghttp3_qpack_huffman_decode_node {
 /* fstate is the current huffman decoding state, which is actually
  the node ID of internal huffman tree with
-nghttp3_qpack_huffman_decode_flag OR-ed. We have 257 leaf nodes,
- but they are identical to root node other than emitting a symbol,
- so we have 256 internal nodes [1..256], inclusive. The node ID
- 256 is a special node and it is a terminal state that means
- decoding failed. */
+NGHTTP3_QPACK_HUFFMAN_FLAG_* flags OR-ed. We have 257 leaf
+nodes, but they are identical to root node other than emitting a
+symbol, so we have 256 internal nodes [1..256], inclusive. The
+node ID 256 is a special node and it is a terminal state that
+means decoding failed. */
 uint16_tfstate;
 uint8_tflags;
-/* symbol if NGHTTP3_QPACK_HUFFMAN_SYM flag set */
+/* symbol if NGHTTP3_QPACK_HUFFMAN_FLAG_SYM flag set */
 uint8_tsym;
 } nghttp3_qpack_huffman_decode_node;
 

deps/ngtcp2/nghttp3/lib/includes/nghttp3/nghttp3.h

@@ -2625,6 +2625,25 @@ NGHTTP3_EXTERN nghttp3_ssize nghttp3_conn_writev_stream(nghttp3_conn *conn,
 NGHTTP3_EXTERNintnghttp3_conn_add_write_offset(nghttp3_conn*conn,
 int64_tstream_id, size_tn);
 
+/**
+ * @function
+ *
+ * `nghttp3_conn_is_stream_flushed` returns nonzero if all stream data
+ * for a stream identified by |stream_id| so far have been accepted by
+ * QUIC stack. This means that the cumulative number of bytes that
+ * `nghttp3_conn_add_write_offset` notified covers all stream data
+ * currently held. This does not mean more stream data cannot be
+ * submitted to this stream via :type:`nghttp3_read_data_callback` and
+ * all stream data have been acknowledged.
+ *
+ * If there is no stream identified by |stream_id|, this function
+ * returns nonzero.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNintnghttp3_conn_is_stream_flushed(constnghttp3_conn*conn,
+int64_tstream_id);
+
 /**
  * @function
  *
@@ -3418,6 +3437,75 @@ NGHTTP3_EXTERN const nghttp3_info *nghttp3_version(int least_version);
  */
 NGHTTP3_EXTERNintnghttp3_err_is_fatal(intliberr);
 
+/**
+ * @function
+ *
+ * `nghttp3_get_uvarint` reads variable-length unsigned integer from
+ * the buffer pointed by |p|, and stores it in the object pointed by
+ * |dest| in host byte order. It returns |p| plus the number of bytes
+ * read from |p|. This function assumes that |p| points to the buffer
+ * that contains a valid variable-length unsigned integer. Use
+ * `nghttp3_get_uvarintlen` to get the number of bytes to successfully
+ * decode an integer.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNconstuint8_t*nghttp3_get_uvarint(uint64_t*dest,
+constuint8_t*p);
+
+/**
+ * @function
+ *
+ * `nghttp3_get_uvarintlen` returns the required number of bytes to
+ * read variable-length unsigned integer starting at |p|. |p| must
+ * not be NULL. This function only reads the single byte from the
+ * buffer pointed by |p|, and determines the number of bytes to read.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNsize_tnghttp3_get_uvarintlen(constuint8_t*p);
+
+/**
+ * @function
+ *
+ * `nghttp3_get_varint` reads variable-length unsigned integer from
+ * the buffer pointed by |p|, and stores it in the object pointed by
+ * |dest| in host byte order. It returns |p| plus the number of bytes
+ * read from |p|. This function assumes that |p| points to the buffer
+ * that contains a valid variable-length unsigned integer. Use
+ * `nghttp3_get_uvarintlen` to get the number of bytes to successfully
+ * decode an integer.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNconstuint8_t*nghttp3_get_varint(int64_t*dest,
+constuint8_t*p);
+
+/**
+ * @function
+ *
+ * `nghttp3_put_uvarint` writes |n| to the buffer pointed by |p| using
+ * variable-length unsigned integer encoding. It returns the one
+ * beyond of the last written position. This function assumes that
+ * the buffer pointed by |p| has sufficient capacity to encode |n|.
+ * To know the required capacity, use `nghttp3_put_uvarintlen`. |n|
+ * must be less than or equal to (1 << 62) - 1.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNuint8_t*nghttp3_put_uvarint(uint8_t*p, uint64_tn);
+
+/**
+ * @function
+ *
+ * `nghttp3_put_uvarintlen` returns the required number of bytes to
+ * encode |n| in variable-length unsigned integer encoding. |n| must
+ * be less than or equal to (1 << 62) - 1.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNsize_tnghttp3_put_uvarintlen(uint64_tn);
+
 /*
  * Versioned function wrappers
  */

deps/ngtcp2/nghttp3/lib/includes/nghttp3/version.h

@@ -31,7 +31,7 @@
  *
  * Version number of the nghttp3 library release.
  */
-#defineNGHTTP3_VERSION "1.16.0"
+#defineNGHTTP3_VERSION "1.17.0"
 
 /**
  * @macro
@@ -41,6 +41,6 @@
  * number, 8 bits for minor and 8 bits for patch. Version 1.2.3
  * becomes 0x010203.
  */
-#defineNGHTTP3_VERSION_NUM0x011000
+#defineNGHTTP3_VERSION_NUM0x011100
 
 #endif/* !defined(NGHTTP3_VERSION_H) */

deps/ngtcp2/nghttp3/lib/nghttp3_conn.c

@@ -2979,3 +2979,25 @@ int nghttp3_conn_is_drained2(const nghttp3_conn *conn) {
 nghttp3_stream_outq_write_done(conn->tx.ctrl) &&
 nghttp3_ringbuf_len(&conn->tx.ctrl->frq) ==0;
 }
+
+intnghttp3_conn_is_stream_flushed(constnghttp3_conn*conn,
+int64_tstream_id) {
+nghttp3_stream*stream=nghttp3_conn_find_stream(conn, stream_id);
+constnghttp3_frame*fr;
+
+if (!stream) {
+return1;
+ }
+
+if (!nghttp3_stream_outq_write_done(stream)) {
+return0;
+ }
+
+if (nghttp3_ringbuf_len(&stream->frq) ==0) {
+return1;
+ }
+
+fr=nghttp3_ringbuf_get(&stream->frq, 0);
+
+returnfr->hd.type==NGHTTP3_FRAME_DATA;
+}

deps/ngtcp2/nghttp3/lib/nghttp3_conv.c

@@ -70,6 +70,15 @@ size_t nghttp3_get_uvarintlen(const uint8_t *p) {
 return (size_t)(1U << (*p >> 6));
 }
 
+constuint8_t*nghttp3_get_varint(int64_t*dest, constuint8_t*p) {
+uint64_tn;
+
+p=nghttp3_get_uvarint(&n, p);
+*dest= (int64_t)n;
+
+returnp;
+}
+
 uint8_t*nghttp3_put_uint64be(uint8_t*p, uint64_tn) {
 n=nghttp3_htonl64(n);
 returnnghttp3_cpymem(p, (constuint8_t*)&n, sizeof(n));

deps/ngtcp2/nghttp3/lib/nghttp3_conv.h

@@ -92,34 +92,6 @@
 # definentohs(N) _byteswap_ushort(N)
 #endif/* defined(WIN32) */
 
-/*
- * nghttp3_get_uvarint reads variable-length unsigned integer from
- * |p|, and stores it in the buffer pointed by |dest| in host byte
- * order. It returns |p| plus the number of bytes read from |p|.
- */
-constuint8_t*nghttp3_get_uvarint(uint64_t*dest, constuint8_t*p);
-
-/*
- * nghttp3_get_uvarintlen returns the required number of bytes to read
- * variable-length integer starting at |p|.
- */
-size_tnghttp3_get_uvarintlen(constuint8_t*p);
-
-/*
- * nghttp3_get_varint reads variable-length unsigned integer from |p|,
- * and stores it in the buffer pointed by |dest| in host byte order.
- * It returns |p| plus the number of bytes read from |p|.
- */
-staticinlineconstuint8_t*nghttp3_get_varint(int64_t*dest,
-constuint8_t*p) {
-uint64_tn;
-
-p=nghttp3_get_uvarint(&n, p);
-*dest= (int64_t)n;
-
-returnp;
-}
-
 /*
  * nghttp3_put_uint64be writes |n| in host byte order in |p| in
  * network byte order. It returns the one beyond of the last written
@@ -141,18 +113,6 @@ uint8_t *nghttp3_put_uint32be(uint8_t *p, uint32_t n);
  */
 uint8_t*nghttp3_put_uint16be(uint8_t*p, uint16_tn);
 
-/*
- * nghttp3_put_uvarint writes |n| in |p| using variable-length integer
- * encoding. It returns the one beyond of the last written position.
- */
-uint8_t*nghttp3_put_uvarint(uint8_t*p, uint64_tn);
-
-/*
- * nghttp3_put_uvarintlen returns the required number of bytes to
- * encode |n|.
- */
-size_tnghttp3_put_uvarintlen(uint64_tn);
-
 /*
  * nghttp3_ord_stream_id returns the ordinal number of |stream_id|.
  */

deps/ngtcp2/nghttp3/lib/nghttp3_http.c

@@ -36,12 +36,9 @@
 #include"nghttp3_macro.h"
 #include"nghttp3_conv.h"
 #include"nghttp3_unreachable.h"
+#include"nghttp3_str.h"
 #include"sfparse/sfparse.h"
 
-staticuint8_tdowncase(uint8_tc) {
-return'A' <= c&&c <= 'Z' ? (uint8_t)(c-'A'+'a') : c;
-}
-
 /*
  * memieq returns 1 if the data pointed by |a| of length |n| equals to
  * |b| of the same length in case-insensitive manner. The data
@@ -52,7 +49,7 @@ static int memieq(const void *a, const void *b, size_t n) {
 constuint8_t*aa=a, *bb=b;
 
 for (i=0; i<n; ++i) {
-if (aa[i] !=downcase(bb[i])) {
+if (aa[i] !=nghttp3_downcase_byte(bb[i])) {
 return0;
  }
  }
@@ -704,7 +701,7 @@ int nghttp3_check_header_name(const uint8_t *name, size_t len) {
 --len;
  }
 for (last=name+len; name!=last; ++name) {
-if (!VALID_HD_NAME_CHARS[*name]) {
+if (VALID_HD_NAME_CHARS[*name]!=1) {
 return0;
  }
  }

deps/ngtcp2/nghttp3/lib/nghttp3_qpack_huffman.c

@@ -80,7 +80,7 @@ uint8_t *nghttp3_qpack_huffman_encode(uint8_t *dest, const uint8_t *src,
 voidnghttp3_qpack_huffman_decode_context_init(
 nghttp3_qpack_huffman_decode_context*ctx) {
 *ctx= (nghttp3_qpack_huffman_decode_context){
- .flags=NGHTTP3_QPACK_HUFFMAN_ACCEPTED,
+ .flags=NGHTTP3_QPACK_HUFFMAN_FLAG_ACCEPTED,
  };
 }
 
@@ -103,20 +103,20 @@ nghttp3_qpack_huffman_decode(nghttp3_qpack_huffman_decode_context *ctx,
 for (; src!=end;) {
 c=*src++;
 t=qpack_huffman_decode_table[t.fstate][c >> 4];
-if (t.flags&NGHTTP3_QPACK_HUFFMAN_SYM) {
+if (t.flags&NGHTTP3_QPACK_HUFFMAN_FLAG_SYM) {
 *p++=t.sym;
  }
 
 t=qpack_huffman_decode_table[t.fstate][c&0xFU];
-if (t.flags&NGHTTP3_QPACK_HUFFMAN_SYM) {
+if (t.flags&NGHTTP3_QPACK_HUFFMAN_FLAG_SYM) {
 *p++=t.sym;
  }
  }
 
 ctx->fstate=t.fstate;
 ctx->flags=t.flags;
 
-if (fin&& !(ctx->flags&NGHTTP3_QPACK_HUFFMAN_ACCEPTED)) {
+if (fin&& !(ctx->flags&NGHTTP3_QPACK_HUFFMAN_FLAG_ACCEPTED)) {
 returnNGHTTP3_ERR_QPACK_FATAL;
  }
 

deps/ngtcp2/nghttp3/lib/nghttp3_qpack_huffman.h

@@ -46,25 +46,24 @@ size_t nghttp3_qpack_huffman_encode_count(const uint8_t *src, size_t len);
 uint8_t*nghttp3_qpack_huffman_encode(uint8_t*dest, constuint8_t*src,
 size_tsrclen);
 
-typedefenumnghttp3_qpack_huffman_decode_flag {
-/* FSA accepts this state as the end of huffman encoding
- sequence. */
-NGHTTP3_QPACK_HUFFMAN_ACCEPTED=1,
-/* This state emits symbol */
-NGHTTP3_QPACK_HUFFMAN_SYM=1 << 1,
-} nghttp3_qpack_huffman_decode_flag;
+/* NGHTTP3_QPACK_HUFFMAN_FLAG_ACCEPTED indicates that FSA accepts this
+ state as the end of huffman encoding sequence. */
+#defineNGHTTP3_QPACK_HUFFMAN_FLAG_ACCEPTED 0x01U
+/* NGHTTP3_QPACK_HUFFMAN_FLAG_SYM indicates that this state emits
+ symbol */
+#defineNGHTTP3_QPACK_HUFFMAN_FLAG_SYM 0x02U
 
 typedefstructnghttp3_qpack_huffman_decode_node {
 /* fstate is the current huffman decoding state, which is actually
  the node ID of internal huffman tree with
-nghttp3_qpack_huffman_decode_flag OR-ed. We have 257 leaf nodes,
- but they are identical to root node other than emitting a symbol,
- so we have 256 internal nodes [1..256], inclusive. The node ID
- 256 is a special node and it is a terminal state that means
- decoding failed. */
+NGHTTP3_QPACK_HUFFMAN_FLAG_* flags OR-ed. We have 257 leaf
+nodes, but they are identical to root node other than emitting a
+symbol, so we have 256 internal nodes [1..256], inclusive. The
+node ID 256 is a special node and it is a terminal state that
+means decoding failed. */
 uint16_tfstate;
 uint8_tflags;
-/* symbol if NGHTTP3_QPACK_HUFFMAN_SYM flag set */
+/* symbol if NGHTTP3_QPACK_HUFFMAN_FLAG_SYM flag set */
 uint8_tsym;
 } nghttp3_qpack_huffman_decode_node;
 

deps/ngtcp2/nghttp3/lib/includes/nghttp3/nghttp3.h

@@ -2625,6 +2625,25 @@ NGHTTP3_EXTERN nghttp3_ssize nghttp3_conn_writev_stream(nghttp3_conn *conn,
 NGHTTP3_EXTERNintnghttp3_conn_add_write_offset(nghttp3_conn*conn,
 int64_tstream_id, size_tn);
 
+/**
+ * @function
+ *
+ * `nghttp3_conn_is_stream_flushed` returns nonzero if all stream data
+ * for a stream identified by |stream_id| so far have been accepted by
+ * QUIC stack. This means that the cumulative number of bytes that
+ * `nghttp3_conn_add_write_offset` notified covers all stream data
+ * currently held. This does not mean more stream data cannot be
+ * submitted to this stream via :type:`nghttp3_read_data_callback` and
+ * all stream data have been acknowledged.
+ *
+ * If there is no stream identified by |stream_id|, this function
+ * returns nonzero.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNintnghttp3_conn_is_stream_flushed(constnghttp3_conn*conn,
+int64_tstream_id);
+
 /**
  * @function
  *
@@ -3418,6 +3437,75 @@ NGHTTP3_EXTERN const nghttp3_info *nghttp3_version(int least_version);
  */
 NGHTTP3_EXTERNintnghttp3_err_is_fatal(intliberr);
 
+/**
+ * @function
+ *
+ * `nghttp3_get_uvarint` reads variable-length unsigned integer from
+ * the buffer pointed by |p|, and stores it in the object pointed by
+ * |dest| in host byte order. It returns |p| plus the number of bytes
+ * read from |p|. This function assumes that |p| points to the buffer
+ * that contains a valid variable-length unsigned integer. Use
+ * `nghttp3_get_uvarintlen` to get the number of bytes to successfully
+ * decode an integer.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNconstuint8_t*nghttp3_get_uvarint(uint64_t*dest,
+constuint8_t*p);
+
+/**
+ * @function
+ *
+ * `nghttp3_get_uvarintlen` returns the required number of bytes to
+ * read variable-length unsigned integer starting at |p|. |p| must
+ * not be NULL. This function only reads the single byte from the
+ * buffer pointed by |p|, and determines the number of bytes to read.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNsize_tnghttp3_get_uvarintlen(constuint8_t*p);
+
+/**
+ * @function
+ *
+ * `nghttp3_get_varint` reads variable-length unsigned integer from
+ * the buffer pointed by |p|, and stores it in the object pointed by
+ * |dest| in host byte order. It returns |p| plus the number of bytes
+ * read from |p|. This function assumes that |p| points to the buffer
+ * that contains a valid variable-length unsigned integer. Use
+ * `nghttp3_get_uvarintlen` to get the number of bytes to successfully
+ * decode an integer.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNconstuint8_t*nghttp3_get_varint(int64_t*dest,
+constuint8_t*p);
+
+/**
+ * @function
+ *
+ * `nghttp3_put_uvarint` writes |n| to the buffer pointed by |p| using
+ * variable-length unsigned integer encoding. It returns the one
+ * beyond of the last written position. This function assumes that
+ * the buffer pointed by |p| has sufficient capacity to encode |n|.
+ * To know the required capacity, use `nghttp3_put_uvarintlen`. |n|
+ * must be less than or equal to (1 << 62) - 1.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNuint8_t*nghttp3_put_uvarint(uint8_t*p, uint64_tn);
+
+/**
+ * @function
+ *
+ * `nghttp3_put_uvarintlen` returns the required number of bytes to
+ * encode |n| in variable-length unsigned integer encoding. |n| must
+ * be less than or equal to (1 << 62) - 1.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNsize_tnghttp3_put_uvarintlen(uint64_tn);
+
 /*
  * Versioned function wrappers
  */

deps/ngtcp2/nghttp3/lib/includes/nghttp3/version.h

@@ -31,7 +31,7 @@
  *
  * Version number of the nghttp3 library release.
  */
-#defineNGHTTP3_VERSION "1.16.0"
+#defineNGHTTP3_VERSION "1.17.0"
 
 /**
  * @macro
@@ -41,6 +41,6 @@
  * number, 8 bits for minor and 8 bits for patch. Version 1.2.3
  * becomes 0x010203.
  */
-#defineNGHTTP3_VERSION_NUM0x011000
+#defineNGHTTP3_VERSION_NUM0x011100
 
 #endif/* !defined(NGHTTP3_VERSION_H) */

deps/ngtcp2/nghttp3/lib/nghttp3_conn.c

@@ -2979,3 +2979,25 @@ int nghttp3_conn_is_drained2(const nghttp3_conn *conn) {
 nghttp3_stream_outq_write_done(conn->tx.ctrl) &&
 nghttp3_ringbuf_len(&conn->tx.ctrl->frq) ==0;
 }
+
+intnghttp3_conn_is_stream_flushed(constnghttp3_conn*conn,
+int64_tstream_id) {
+nghttp3_stream*stream=nghttp3_conn_find_stream(conn, stream_id);
+constnghttp3_frame*fr;
+
+if (!stream) {
+return1;
+ }
+
+if (!nghttp3_stream_outq_write_done(stream)) {
+return0;
+ }
+
+if (nghttp3_ringbuf_len(&stream->frq) ==0) {
+return1;
+ }
+
+fr=nghttp3_ringbuf_get(&stream->frq, 0);
+
+returnfr->hd.type==NGHTTP3_FRAME_DATA;
+}

deps/ngtcp2/nghttp3/lib/nghttp3_conv.c

@@ -70,6 +70,15 @@ size_t nghttp3_get_uvarintlen(const uint8_t *p) {
 return (size_t)(1U << (*p >> 6));
 }
 
+constuint8_t*nghttp3_get_varint(int64_t*dest, constuint8_t*p) {
+uint64_tn;
+
+p=nghttp3_get_uvarint(&n, p);
+*dest= (int64_t)n;
+
+returnp;
+}
+
 uint8_t*nghttp3_put_uint64be(uint8_t*p, uint64_tn) {
 n=nghttp3_htonl64(n);
 returnnghttp3_cpymem(p, (constuint8_t*)&n, sizeof(n));

deps/ngtcp2/nghttp3/lib/nghttp3_conv.h

@@ -92,34 +92,6 @@
 # definentohs(N) _byteswap_ushort(N)
 #endif/* defined(WIN32) */
 
-/*
- * nghttp3_get_uvarint reads variable-length unsigned integer from
- * |p|, and stores it in the buffer pointed by |dest| in host byte
- * order. It returns |p| plus the number of bytes read from |p|.
- */
-constuint8_t*nghttp3_get_uvarint(uint64_t*dest, constuint8_t*p);
-
-/*
- * nghttp3_get_uvarintlen returns the required number of bytes to read
- * variable-length integer starting at |p|.
- */
-size_tnghttp3_get_uvarintlen(constuint8_t*p);
-
-/*
- * nghttp3_get_varint reads variable-length unsigned integer from |p|,
- * and stores it in the buffer pointed by |dest| in host byte order.
- * It returns |p| plus the number of bytes read from |p|.
- */
-staticinlineconstuint8_t*nghttp3_get_varint(int64_t*dest,
-constuint8_t*p) {
-uint64_tn;
-
-p=nghttp3_get_uvarint(&n, p);
-*dest= (int64_t)n;
-
-returnp;
-}
-
 /*
  * nghttp3_put_uint64be writes |n| in host byte order in |p| in
  * network byte order. It returns the one beyond of the last written
@@ -141,18 +113,6 @@ uint8_t *nghttp3_put_uint32be(uint8_t *p, uint32_t n);
  */
 uint8_t*nghttp3_put_uint16be(uint8_t*p, uint16_tn);
 
-/*
- * nghttp3_put_uvarint writes |n| in |p| using variable-length integer
- * encoding. It returns the one beyond of the last written position.
- */
-uint8_t*nghttp3_put_uvarint(uint8_t*p, uint64_tn);
-
-/*
- * nghttp3_put_uvarintlen returns the required number of bytes to
- * encode |n|.
- */
-size_tnghttp3_put_uvarintlen(uint64_tn);
-
 /*
  * nghttp3_ord_stream_id returns the ordinal number of |stream_id|.
  */

deps/ngtcp2/nghttp3/lib/nghttp3_http.c

@@ -36,12 +36,9 @@
 #include"nghttp3_macro.h"
 #include"nghttp3_conv.h"
 #include"nghttp3_unreachable.h"
+#include"nghttp3_str.h"
 #include"sfparse/sfparse.h"
 
-staticuint8_tdowncase(uint8_tc) {
-return'A' <= c&&c <= 'Z' ? (uint8_t)(c-'A'+'a') : c;
-}
-
 /*
  * memieq returns 1 if the data pointed by |a| of length |n| equals to
  * |b| of the same length in case-insensitive manner. The data
@@ -52,7 +49,7 @@ static int memieq(const void *a, const void *b, size_t n) {
 constuint8_t*aa=a, *bb=b;
 
 for (i=0; i<n; ++i) {
-if (aa[i] !=downcase(bb[i])) {
+if (aa[i] !=nghttp3_downcase_byte(bb[i])) {
 return0;
  }
  }
@@ -704,7 +701,7 @@ int nghttp3_check_header_name(const uint8_t *name, size_t len) {
 --len;
  }
 for (last=name+len; name!=last; ++name) {
-if (!VALID_HD_NAME_CHARS[*name]) {
+if (VALID_HD_NAME_CHARS[*name]!=1) {
 return0;
  }
  }

deps/ngtcp2/nghttp3/lib/nghttp3_qpack_huffman.c

@@ -80,7 +80,7 @@ uint8_t *nghttp3_qpack_huffman_encode(uint8_t *dest, const uint8_t *src,
 voidnghttp3_qpack_huffman_decode_context_init(
 nghttp3_qpack_huffman_decode_context*ctx) {
 *ctx= (nghttp3_qpack_huffman_decode_context){
- .flags=NGHTTP3_QPACK_HUFFMAN_ACCEPTED,
+ .flags=NGHTTP3_QPACK_HUFFMAN_FLAG_ACCEPTED,
  };
 }
 
@@ -103,20 +103,20 @@ nghttp3_qpack_huffman_decode(nghttp3_qpack_huffman_decode_context *ctx,
 for (; src!=end;) {
 c=*src++;
 t=qpack_huffman_decode_table[t.fstate][c >> 4];
-if (t.flags&NGHTTP3_QPACK_HUFFMAN_SYM) {
+if (t.flags&NGHTTP3_QPACK_HUFFMAN_FLAG_SYM) {
 *p++=t.sym;
  }
 
 t=qpack_huffman_decode_table[t.fstate][c&0xFU];
-if (t.flags&NGHTTP3_QPACK_HUFFMAN_SYM) {
+if (t.flags&NGHTTP3_QPACK_HUFFMAN_FLAG_SYM) {
 *p++=t.sym;
  }
  }
 
 ctx->fstate=t.fstate;
 ctx->flags=t.flags;
 
-if (fin&& !(ctx->flags&NGHTTP3_QPACK_HUFFMAN_ACCEPTED)) {
+if (fin&& !(ctx->flags&NGHTTP3_QPACK_HUFFMAN_FLAG_ACCEPTED)) {
 returnNGHTTP3_ERR_QPACK_FATAL;
  }
 

deps/ngtcp2/nghttp3/lib/nghttp3_qpack_huffman.h

@@ -46,25 +46,24 @@ size_t nghttp3_qpack_huffman_encode_count(const uint8_t *src, size_t len);
 uint8_t*nghttp3_qpack_huffman_encode(uint8_t*dest, constuint8_t*src,
 size_tsrclen);
 
-typedefenumnghttp3_qpack_huffman_decode_flag {
-/* FSA accepts this state as the end of huffman encoding
- sequence. */
-NGHTTP3_QPACK_HUFFMAN_ACCEPTED=1,
-/* This state emits symbol */
-NGHTTP3_QPACK_HUFFMAN_SYM=1 << 1,
-} nghttp3_qpack_huffman_decode_flag;
+/* NGHTTP3_QPACK_HUFFMAN_FLAG_ACCEPTED indicates that FSA accepts this
+ state as the end of huffman encoding sequence. */
+#defineNGHTTP3_QPACK_HUFFMAN_FLAG_ACCEPTED 0x01U
+/* NGHTTP3_QPACK_HUFFMAN_FLAG_SYM indicates that this state emits
+ symbol */
+#defineNGHTTP3_QPACK_HUFFMAN_FLAG_SYM 0x02U
 
 typedefstructnghttp3_qpack_huffman_decode_node {
 /* fstate is the current huffman decoding state, which is actually
  the node ID of internal huffman tree with
-nghttp3_qpack_huffman_decode_flag OR-ed. We have 257 leaf nodes,
- but they are identical to root node other than emitting a symbol,
- so we have 256 internal nodes [1..256], inclusive. The node ID
- 256 is a special node and it is a terminal state that means
- decoding failed. */
+NGHTTP3_QPACK_HUFFMAN_FLAG_* flags OR-ed. We have 257 leaf
+nodes, but they are identical to root node other than emitting a
+symbol, so we have 256 internal nodes [1..256], inclusive. The
+node ID 256 is a special node and it is a terminal state that
+means decoding failed. */
 uint16_tfstate;
 uint8_tflags;
-/* symbol if NGHTTP3_QPACK_HUFFMAN_SYM flag set */
+/* symbol if NGHTTP3_QPACK_HUFFMAN_FLAG_SYM flag set */
 uint8_tsym;
 } nghttp3_qpack_huffman_decode_node;
 

deps/ngtcp2/nghttp3/lib/includes/nghttp3/nghttp3.h

@@ -2625,6 +2625,25 @@ NGHTTP3_EXTERN nghttp3_ssize nghttp3_conn_writev_stream(nghttp3_conn *conn,
 NGHTTP3_EXTERNintnghttp3_conn_add_write_offset(nghttp3_conn*conn,
 int64_tstream_id, size_tn);
 
+/**
+ * @function
+ *
+ * `nghttp3_conn_is_stream_flushed` returns nonzero if all stream data
+ * for a stream identified by |stream_id| so far have been accepted by
+ * QUIC stack. This means that the cumulative number of bytes that
+ * `nghttp3_conn_add_write_offset` notified covers all stream data
+ * currently held. This does not mean more stream data cannot be
+ * submitted to this stream via :type:`nghttp3_read_data_callback` and
+ * all stream data have been acknowledged.
+ *
+ * If there is no stream identified by |stream_id|, this function
+ * returns nonzero.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNintnghttp3_conn_is_stream_flushed(constnghttp3_conn*conn,
+int64_tstream_id);
+
 /**
  * @function
  *
@@ -3418,6 +3437,75 @@ NGHTTP3_EXTERN const nghttp3_info *nghttp3_version(int least_version);
  */
 NGHTTP3_EXTERNintnghttp3_err_is_fatal(intliberr);
 
+/**
+ * @function
+ *
+ * `nghttp3_get_uvarint` reads variable-length unsigned integer from
+ * the buffer pointed by |p|, and stores it in the object pointed by
+ * |dest| in host byte order. It returns |p| plus the number of bytes
+ * read from |p|. This function assumes that |p| points to the buffer
+ * that contains a valid variable-length unsigned integer. Use
+ * `nghttp3_get_uvarintlen` to get the number of bytes to successfully
+ * decode an integer.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNconstuint8_t*nghttp3_get_uvarint(uint64_t*dest,
+constuint8_t*p);
+
+/**
+ * @function
+ *
+ * `nghttp3_get_uvarintlen` returns the required number of bytes to
+ * read variable-length unsigned integer starting at |p|. |p| must
+ * not be NULL. This function only reads the single byte from the
+ * buffer pointed by |p|, and determines the number of bytes to read.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNsize_tnghttp3_get_uvarintlen(constuint8_t*p);
+
+/**
+ * @function
+ *
+ * `nghttp3_get_varint` reads variable-length unsigned integer from
+ * the buffer pointed by |p|, and stores it in the object pointed by
+ * |dest| in host byte order. It returns |p| plus the number of bytes
+ * read from |p|. This function assumes that |p| points to the buffer
+ * that contains a valid variable-length unsigned integer. Use
+ * `nghttp3_get_uvarintlen` to get the number of bytes to successfully
+ * decode an integer.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNconstuint8_t*nghttp3_get_varint(int64_t*dest,
+constuint8_t*p);
+
+/**
+ * @function
+ *
+ * `nghttp3_put_uvarint` writes |n| to the buffer pointed by |p| using
+ * variable-length unsigned integer encoding. It returns the one
+ * beyond of the last written position. This function assumes that
+ * the buffer pointed by |p| has sufficient capacity to encode |n|.
+ * To know the required capacity, use `nghttp3_put_uvarintlen`. |n|
+ * must be less than or equal to (1 << 62) - 1.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNuint8_t*nghttp3_put_uvarint(uint8_t*p, uint64_tn);
+
+/**
+ * @function
+ *
+ * `nghttp3_put_uvarintlen` returns the required number of bytes to
+ * encode |n| in variable-length unsigned integer encoding. |n| must
+ * be less than or equal to (1 << 62) - 1.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNsize_tnghttp3_put_uvarintlen(uint64_tn);
+
 /*
  * Versioned function wrappers
  */

deps/ngtcp2/nghttp3/lib/includes/nghttp3/version.h

@@ -31,7 +31,7 @@
  *
  * Version number of the nghttp3 library release.
  */
-#defineNGHTTP3_VERSION "1.16.0"
+#defineNGHTTP3_VERSION "1.17.0"
 
 /**
  * @macro
@@ -41,6 +41,6 @@
  * number, 8 bits for minor and 8 bits for patch. Version 1.2.3
  * becomes 0x010203.
  */
-#defineNGHTTP3_VERSION_NUM0x011000
+#defineNGHTTP3_VERSION_NUM0x011100
 
 #endif/* !defined(NGHTTP3_VERSION_H) */

deps/ngtcp2/nghttp3/lib/nghttp3_conn.c

@@ -2979,3 +2979,25 @@ int nghttp3_conn_is_drained2(const nghttp3_conn *conn) {
 nghttp3_stream_outq_write_done(conn->tx.ctrl) &&
 nghttp3_ringbuf_len(&conn->tx.ctrl->frq) ==0;
 }
+
+intnghttp3_conn_is_stream_flushed(constnghttp3_conn*conn,
+int64_tstream_id) {
+nghttp3_stream*stream=nghttp3_conn_find_stream(conn, stream_id);
+constnghttp3_frame*fr;
+
+if (!stream) {
+return1;
+ }
+
+if (!nghttp3_stream_outq_write_done(stream)) {
+return0;
+ }
+
+if (nghttp3_ringbuf_len(&stream->frq) ==0) {
+return1;
+ }
+
+fr=nghttp3_ringbuf_get(&stream->frq, 0);
+
+returnfr->hd.type==NGHTTP3_FRAME_DATA;
+}

deps/ngtcp2/nghttp3/lib/nghttp3_conv.c

@@ -70,6 +70,15 @@ size_t nghttp3_get_uvarintlen(const uint8_t *p) {
 return (size_t)(1U << (*p >> 6));
 }
 
+constuint8_t*nghttp3_get_varint(int64_t*dest, constuint8_t*p) {
+uint64_tn;
+
+p=nghttp3_get_uvarint(&n, p);
+*dest= (int64_t)n;
+
+returnp;
+}
+
 uint8_t*nghttp3_put_uint64be(uint8_t*p, uint64_tn) {
 n=nghttp3_htonl64(n);
 returnnghttp3_cpymem(p, (constuint8_t*)&n, sizeof(n));

deps/ngtcp2/nghttp3/lib/nghttp3_conv.h

@@ -92,34 +92,6 @@
 # definentohs(N) _byteswap_ushort(N)
 #endif/* defined(WIN32) */
 
-/*
- * nghttp3_get_uvarint reads variable-length unsigned integer from
- * |p|, and stores it in the buffer pointed by |dest| in host byte
- * order. It returns |p| plus the number of bytes read from |p|.
- */
-constuint8_t*nghttp3_get_uvarint(uint64_t*dest, constuint8_t*p);
-
-/*
- * nghttp3_get_uvarintlen returns the required number of bytes to read
- * variable-length integer starting at |p|.
- */
-size_tnghttp3_get_uvarintlen(constuint8_t*p);
-
-/*
- * nghttp3_get_varint reads variable-length unsigned integer from |p|,
- * and stores it in the buffer pointed by |dest| in host byte order.
- * It returns |p| plus the number of bytes read from |p|.
- */
-staticinlineconstuint8_t*nghttp3_get_varint(int64_t*dest,
-constuint8_t*p) {
-uint64_tn;
-
-p=nghttp3_get_uvarint(&n, p);
-*dest= (int64_t)n;
-
-returnp;
-}
-
 /*
  * nghttp3_put_uint64be writes |n| in host byte order in |p| in
  * network byte order. It returns the one beyond of the last written
@@ -141,18 +113,6 @@ uint8_t *nghttp3_put_uint32be(uint8_t *p, uint32_t n);
  */
 uint8_t*nghttp3_put_uint16be(uint8_t*p, uint16_tn);
 
-/*
- * nghttp3_put_uvarint writes |n| in |p| using variable-length integer
- * encoding. It returns the one beyond of the last written position.
- */
-uint8_t*nghttp3_put_uvarint(uint8_t*p, uint64_tn);
-
-/*
- * nghttp3_put_uvarintlen returns the required number of bytes to
- * encode |n|.
- */
-size_tnghttp3_put_uvarintlen(uint64_tn);
-
 /*
  * nghttp3_ord_stream_id returns the ordinal number of |stream_id|.
  */

deps/ngtcp2/nghttp3/lib/nghttp3_http.c

@@ -36,12 +36,9 @@
 #include"nghttp3_macro.h"
 #include"nghttp3_conv.h"
 #include"nghttp3_unreachable.h"
+#include"nghttp3_str.h"
 #include"sfparse/sfparse.h"
 
-staticuint8_tdowncase(uint8_tc) {
-return'A' <= c&&c <= 'Z' ? (uint8_t)(c-'A'+'a') : c;
-}
-
 /*
  * memieq returns 1 if the data pointed by |a| of length |n| equals to
  * |b| of the same length in case-insensitive manner. The data
@@ -52,7 +49,7 @@ static int memieq(const void *a, const void *b, size_t n) {
 constuint8_t*aa=a, *bb=b;
 
 for (i=0; i<n; ++i) {
-if (aa[i] !=downcase(bb[i])) {
+if (aa[i] !=nghttp3_downcase_byte(bb[i])) {
 return0;
  }
  }
@@ -704,7 +701,7 @@ int nghttp3_check_header_name(const uint8_t *name, size_t len) {
 --len;
  }
 for (last=name+len; name!=last; ++name) {
-if (!VALID_HD_NAME_CHARS[*name]) {
+if (VALID_HD_NAME_CHARS[*name]!=1) {
 return0;
  }
  }

deps/ngtcp2/nghttp3/lib/nghttp3_qpack_huffman.c

@@ -80,7 +80,7 @@ uint8_t *nghttp3_qpack_huffman_encode(uint8_t *dest, const uint8_t *src,
 voidnghttp3_qpack_huffman_decode_context_init(
 nghttp3_qpack_huffman_decode_context*ctx) {
 *ctx= (nghttp3_qpack_huffman_decode_context){
- .flags=NGHTTP3_QPACK_HUFFMAN_ACCEPTED,
+ .flags=NGHTTP3_QPACK_HUFFMAN_FLAG_ACCEPTED,
  };
 }
 
@@ -103,20 +103,20 @@ nghttp3_qpack_huffman_decode(nghttp3_qpack_huffman_decode_context *ctx,
 for (; src!=end;) {
 c=*src++;
 t=qpack_huffman_decode_table[t.fstate][c >> 4];
-if (t.flags&NGHTTP3_QPACK_HUFFMAN_SYM) {
+if (t.flags&NGHTTP3_QPACK_HUFFMAN_FLAG_SYM) {
 *p++=t.sym;
  }
 
 t=qpack_huffman_decode_table[t.fstate][c&0xFU];
-if (t.flags&NGHTTP3_QPACK_HUFFMAN_SYM) {
+if (t.flags&NGHTTP3_QPACK_HUFFMAN_FLAG_SYM) {
 *p++=t.sym;
  }
  }
 
 ctx->fstate=t.fstate;
 ctx->flags=t.flags;
 
-if (fin&& !(ctx->flags&NGHTTP3_QPACK_HUFFMAN_ACCEPTED)) {
+if (fin&& !(ctx->flags&NGHTTP3_QPACK_HUFFMAN_FLAG_ACCEPTED)) {
 returnNGHTTP3_ERR_QPACK_FATAL;
  }
 

deps/ngtcp2/nghttp3/lib/nghttp3_qpack_huffman.h

@@ -46,25 +46,24 @@ size_t nghttp3_qpack_huffman_encode_count(const uint8_t *src, size_t len);
 uint8_t*nghttp3_qpack_huffman_encode(uint8_t*dest, constuint8_t*src,
 size_tsrclen);
 
-typedefenumnghttp3_qpack_huffman_decode_flag {
-/* FSA accepts this state as the end of huffman encoding
- sequence. */
-NGHTTP3_QPACK_HUFFMAN_ACCEPTED=1,
-/* This state emits symbol */
-NGHTTP3_QPACK_HUFFMAN_SYM=1 << 1,
-} nghttp3_qpack_huffman_decode_flag;
+/* NGHTTP3_QPACK_HUFFMAN_FLAG_ACCEPTED indicates that FSA accepts this
+ state as the end of huffman encoding sequence. */
+#defineNGHTTP3_QPACK_HUFFMAN_FLAG_ACCEPTED 0x01U
+/* NGHTTP3_QPACK_HUFFMAN_FLAG_SYM indicates that this state emits
+ symbol */
+#defineNGHTTP3_QPACK_HUFFMAN_FLAG_SYM 0x02U
 
 typedefstructnghttp3_qpack_huffman_decode_node {
 /* fstate is the current huffman decoding state, which is actually
  the node ID of internal huffman tree with
-nghttp3_qpack_huffman_decode_flag OR-ed. We have 257 leaf nodes,
- but they are identical to root node other than emitting a symbol,
- so we have 256 internal nodes [1..256], inclusive. The node ID
- 256 is a special node and it is a terminal state that means
- decoding failed. */
+NGHTTP3_QPACK_HUFFMAN_FLAG_* flags OR-ed. We have 257 leaf
+nodes, but they are identical to root node other than emitting a
+symbol, so we have 256 internal nodes [1..256], inclusive. The
+node ID 256 is a special node and it is a terminal state that
+means decoding failed. */
 uint16_tfstate;
 uint8_tflags;
-/* symbol if NGHTTP3_QPACK_HUFFMAN_SYM flag set */
+/* symbol if NGHTTP3_QPACK_HUFFMAN_FLAG_SYM flag set */
 uint8_tsym;
 } nghttp3_qpack_huffman_decode_node;
 

deps/ngtcp2/nghttp3/lib/includes/nghttp3/nghttp3.h

@@ -2625,6 +2625,25 @@ NGHTTP3_EXTERN nghttp3_ssize nghttp3_conn_writev_stream(nghttp3_conn *conn,
 NGHTTP3_EXTERNintnghttp3_conn_add_write_offset(nghttp3_conn*conn,
 int64_tstream_id, size_tn);
 
+/**
+ * @function
+ *
+ * `nghttp3_conn_is_stream_flushed` returns nonzero if all stream data
+ * for a stream identified by |stream_id| so far have been accepted by
+ * QUIC stack. This means that the cumulative number of bytes that
+ * `nghttp3_conn_add_write_offset` notified covers all stream data
+ * currently held. This does not mean more stream data cannot be
+ * submitted to this stream via :type:`nghttp3_read_data_callback` and
+ * all stream data have been acknowledged.
+ *
+ * If there is no stream identified by |stream_id|, this function
+ * returns nonzero.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNintnghttp3_conn_is_stream_flushed(constnghttp3_conn*conn,
+int64_tstream_id);
+
 /**
  * @function
  *
@@ -3418,6 +3437,75 @@ NGHTTP3_EXTERN const nghttp3_info *nghttp3_version(int least_version);
  */
 NGHTTP3_EXTERNintnghttp3_err_is_fatal(intliberr);
 
+/**
+ * @function
+ *
+ * `nghttp3_get_uvarint` reads variable-length unsigned integer from
+ * the buffer pointed by |p|, and stores it in the object pointed by
+ * |dest| in host byte order. It returns |p| plus the number of bytes
+ * read from |p|. This function assumes that |p| points to the buffer
+ * that contains a valid variable-length unsigned integer. Use
+ * `nghttp3_get_uvarintlen` to get the number of bytes to successfully
+ * decode an integer.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNconstuint8_t*nghttp3_get_uvarint(uint64_t*dest,
+constuint8_t*p);
+
+/**
+ * @function
+ *
+ * `nghttp3_get_uvarintlen` returns the required number of bytes to
+ * read variable-length unsigned integer starting at |p|. |p| must
+ * not be NULL. This function only reads the single byte from the
+ * buffer pointed by |p|, and determines the number of bytes to read.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNsize_tnghttp3_get_uvarintlen(constuint8_t*p);
+
+/**
+ * @function
+ *
+ * `nghttp3_get_varint` reads variable-length unsigned integer from
+ * the buffer pointed by |p|, and stores it in the object pointed by
+ * |dest| in host byte order. It returns |p| plus the number of bytes
+ * read from |p|. This function assumes that |p| points to the buffer
+ * that contains a valid variable-length unsigned integer. Use
+ * `nghttp3_get_uvarintlen` to get the number of bytes to successfully
+ * decode an integer.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNconstuint8_t*nghttp3_get_varint(int64_t*dest,
+constuint8_t*p);
+
+/**
+ * @function
+ *
+ * `nghttp3_put_uvarint` writes |n| to the buffer pointed by |p| using
+ * variable-length unsigned integer encoding. It returns the one
+ * beyond of the last written position. This function assumes that
+ * the buffer pointed by |p| has sufficient capacity to encode |n|.
+ * To know the required capacity, use `nghttp3_put_uvarintlen`. |n|
+ * must be less than or equal to (1 << 62) - 1.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNuint8_t*nghttp3_put_uvarint(uint8_t*p, uint64_tn);
+
+/**
+ * @function
+ *
+ * `nghttp3_put_uvarintlen` returns the required number of bytes to
+ * encode |n| in variable-length unsigned integer encoding. |n| must
+ * be less than or equal to (1 << 62) - 1.
+ *
+ * .. version-added:: 1.17.0
+ */
+NGHTTP3_EXTERNsize_tnghttp3_put_uvarintlen(uint64_tn);
+
 /*
  * Versioned function wrappers
  */

deps/ngtcp2/nghttp3/lib/includes/nghttp3/version.h

@@ -31,7 +31,7 @@
  *
  * Version number of the nghttp3 library release.
  */
-#defineNGHTTP3_VERSION "1.16.0"
+#defineNGHTTP3_VERSION "1.17.0"
 
 /**
  * @macro
@@ -41,6 +41,6 @@
  * number, 8 bits for minor and 8 bits for patch. Version 1.2.3
  * becomes 0x010203.
  */
-#defineNGHTTP3_VERSION_NUM0x011000
+#defineNGHTTP3_VERSION_NUM0x011100
 
 #endif/* !defined(NGHTTP3_VERSION_H) */

deps/ngtcp2/nghttp3/lib/nghttp3_conn.c

@@ -2979,3 +2979,25 @@ int nghttp3_conn_is_drained2(const nghttp3_conn *conn) {
 nghttp3_stream_outq_write_done(conn->tx.ctrl) &&
 nghttp3_ringbuf_len(&conn->tx.ctrl->frq) ==0;
 }
+
+intnghttp3_conn_is_stream_flushed(constnghttp3_conn*conn,
+int64_tstream_id) {
+nghttp3_stream*stream=nghttp3_conn_find_stream(conn, stream_id);
+constnghttp3_frame*fr;
+
+if (!stream) {
+return1;
+ }
+
+if (!nghttp3_stream_outq_write_done(stream)) {
+return0;
+ }
+
+if (nghttp3_ringbuf_len(&stream->frq) ==0) {
+return1;
+ }
+
+fr=nghttp3_ringbuf_get(&stream->frq, 0);
+
+returnfr->hd.type==NGHTTP3_FRAME_DATA;
+}

deps/ngtcp2/nghttp3/lib/nghttp3_conv.c

@@ -70,6 +70,15 @@ size_t nghttp3_get_uvarintlen(const uint8_t *p) {
 return (size_t)(1U << (*p >> 6));
 }
 
+constuint8_t*nghttp3_get_varint(int64_t*dest, constuint8_t*p) {
+uint64_tn;
+
+p=nghttp3_get_uvarint(&n, p);
+*dest= (int64_t)n;
+
+returnp;
+}
+
 uint8_t*nghttp3_put_uint64be(uint8_t*p, uint64_tn) {
 n=nghttp3_htonl64(n);
 returnnghttp3_cpymem(p, (constuint8_t*)&n, sizeof(n));

deps/ngtcp2/nghttp3/lib/nghttp3_conv.h

@@ -92,34 +92,6 @@
 # definentohs(N) _byteswap_ushort(N)
 #endif/* defined(WIN32) */
 
-/*
- * nghttp3_get_uvarint reads variable-length unsigned integer from
- * |p|, and stores it in the buffer pointed by |dest| in host byte
- * order. It returns |p| plus the number of bytes read from |p|.
- */
-constuint8_t*nghttp3_get_uvarint(uint64_t*dest, constuint8_t*p);
-
-/*
- * nghttp3_get_uvarintlen returns the required number of bytes to read
- * variable-length integer starting at |p|.
- */
-size_tnghttp3_get_uvarintlen(constuint8_t*p);
-
-/*
- * nghttp3_get_varint reads variable-length unsigned integer from |p|,
- * and stores it in the buffer pointed by |dest| in host byte order.
- * It returns |p| plus the number of bytes read from |p|.
- */
-staticinlineconstuint8_t*nghttp3_get_varint(int64_t*dest,
-constuint8_t*p) {
-uint64_tn;
-
-p=nghttp3_get_uvarint(&n, p);
-*dest= (int64_t)n;
-
-returnp;
-}
-
 /*
  * nghttp3_put_uint64be writes |n| in host byte order in |p| in
  * network byte order. It returns the one beyond of the last written
@@ -141,18 +113,6 @@ uint8_t *nghttp3_put_uint32be(uint8_t *p, uint32_t n);
  */
 uint8_t*nghttp3_put_uint16be(uint8_t*p, uint16_tn);
 
-/*
- * nghttp3_put_uvarint writes |n| in |p| using variable-length integer
- * encoding. It returns the one beyond of the last written position.
- */
-uint8_t*nghttp3_put_uvarint(uint8_t*p, uint64_tn);
-
-/*
- * nghttp3_put_uvarintlen returns the required number of bytes to
- * encode |n|.
- */
-size_tnghttp3_put_uvarintlen(uint64_tn);
-
 /*
  * nghttp3_ord_stream_id returns the ordinal number of |stream_id|.
  */

deps/ngtcp2/nghttp3/lib/nghttp3_http.c

@@ -36,12 +36,9 @@
 #include"nghttp3_macro.h"
 #include"nghttp3_conv.h"
 #include"nghttp3_unreachable.h"
+#include"nghttp3_str.h"
 #include"sfparse/sfparse.h"
 
-staticuint8_tdowncase(uint8_tc) {
-return'A' <= c&&c <= 'Z' ? (uint8_t)(c-'A'+'a') : c;
-}
-
 /*
  * memieq returns 1 if the data pointed by |a| of length |n| equals to
  * |b| of the same length in case-insensitive manner. The data
@@ -52,7 +49,7 @@ static int memieq(const void *a, const void *b, size_t n) {
 constuint8_t*aa=a, *bb=b;
 
 for (i=0; i<n; ++i) {
-if (aa[i] !=downcase(bb[i])) {
+if (aa[i] !=nghttp3_downcase_byte(bb[i])) {
 return0;
  }
  }
@@ -704,7 +701,7 @@ int nghttp3_check_header_name(const uint8_t *name, size_t len) {
 --len;
  }
 for (last=name+len; name!=last; ++name) {
-if (!VALID_HD_NAME_CHARS[*name]) {
+if (VALID_HD_NAME_CHARS[*name]!=1) {
 return0;
  }
  }

deps/ngtcp2/nghttp3/lib/nghttp3_qpack_huffman.c

@@ -80,7 +80,7 @@ uint8_t *nghttp3_qpack_huffman_encode(uint8_t *dest, const uint8_t *src,
 voidnghttp3_qpack_huffman_decode_context_init(
 nghttp3_qpack_huffman_decode_context*ctx) {
 *ctx= (nghttp3_qpack_huffman_decode_context){
- .flags=NGHTTP3_QPACK_HUFFMAN_ACCEPTED,
+ .flags=NGHTTP3_QPACK_HUFFMAN_FLAG_ACCEPTED,
  };
 }
 
@@ -103,20 +103,20 @@ nghttp3_qpack_huffman_decode(nghttp3_qpack_huffman_decode_context *ctx,
 for (; src!=end;) {
 c=*src++;
 t=qpack_huffman_decode_table[t.fstate][c >> 4];
-if (t.flags&NGHTTP3_QPACK_HUFFMAN_SYM) {
+if (t.flags&NGHTTP3_QPACK_HUFFMAN_FLAG_SYM) {
 *p++=t.sym;
  }
 
 t=qpack_huffman_decode_table[t.fstate][c&0xFU];
-if (t.flags&NGHTTP3_QPACK_HUFFMAN_SYM) {
+if (t.flags&NGHTTP3_QPACK_HUFFMAN_FLAG_SYM) {
 *p++=t.sym;
  }
  }
 
 ctx->fstate=t.fstate;
 ctx->flags=t.flags;
 
-if (fin&& !(ctx->flags&NGHTTP3_QPACK_HUFFMAN_ACCEPTED)) {
+if (fin&& !(ctx->flags&NGHTTP3_QPACK_HUFFMAN_FLAG_ACCEPTED)) {
 returnNGHTTP3_ERR_QPACK_FATAL;
  }
 

deps/ngtcp2/nghttp3/lib/nghttp3_qpack_huffman.h

@@ -46,25 +46,24 @@ size_t nghttp3_qpack_huffman_encode_count(const uint8_t *src, size_t len);
 uint8_t*nghttp3_qpack_huffman_encode(uint8_t*dest, constuint8_t*src,
 size_tsrclen);
 
-typedefenumnghttp3_qpack_huffman_decode_flag {
-/* FSA accepts this state as the end of huffman encoding
- sequence. */
-NGHTTP3_QPACK_HUFFMAN_ACCEPTED=1,
-/* This state emits symbol */
-NGHTTP3_QPACK_HUFFMAN_SYM=1 << 1,
-} nghttp3_qpack_huffman_decode_flag;
+/* NGHTTP3_QPACK_HUFFMAN_FLAG_ACCEPTED indicates that FSA accepts this
+ state as the end of huffman encoding sequence. */
+#defineNGHTTP3_QPACK_HUFFMAN_FLAG_ACCEPTED 0x01U
+/* NGHTTP3_QPACK_HUFFMAN_FLAG_SYM indicates that this state emits
+ symbol */
+#defineNGHTTP3_QPACK_HUFFMAN_FLAG_SYM 0x02U
 
 typedefstructnghttp3_qpack_huffman_decode_node {
 /* fstate is the current huffman decoding state, which is actually
  the node ID of internal huffman tree with
-nghttp3_qpack_huffman_decode_flag OR-ed. We have 257 leaf nodes,
- but they are identical to root node other than emitting a symbol,
- so we have 256 internal nodes [1..256], inclusive. The node ID
- 256 is a special node and it is a terminal state that means
- decoding failed. */
+NGHTTP3_QPACK_HUFFMAN_FLAG_* flags OR-ed. We have 257 leaf
+nodes, but they are identical to root node other than emitting a
+symbol, so we have 256 internal nodes [1..256], inclusive. The
+node ID 256 is a special node and it is a terminal state that
+means decoding failed. */
 uint16_tfstate;
 uint8_tflags;
-/* symbol if NGHTTP3_QPACK_HUFFMAN_SYM flag set */
+/* symbol if NGHTTP3_QPACK_HUFFMAN_FLAG_SYM flag set */
 uint8_tsym;
 } nghttp3_qpack_huffman_decode_node;