deps: update ngtcp2 and nghttp3, update quic impls

deps/ngtcp2/nghttp3/lib/nghttp3_conn.h

@@ -62,6 +62,9 @@
 /* NGHTTP3_CONN_FLAG_QPACK_DECODER_OPENED is set when a QPACK decoder
    stream has opened. */
 #define NGHTTP3_CONN_FLAG_QPACK_DECODER_OPENED 0x0008u
+/* NGHTTP3_CONN_FLAG_SHUTDOWN_COMMENCED is set when graceful shutdown
+   has started. */
+#define NGHTTP3_CONN_FLAG_SHUTDOWN_COMMENCED 0x0010u
 /* NGHTTP3_CONN_FLAG_GOAWAY_RECVED indicates that GOAWAY frame has
    received. */
 #define NGHTTP3_CONN_FLAG_GOAWAY_RECVED 0x0020u
@@ -73,7 +76,7 @@ typedef struct nghttp3_chunk {
   nghttp3_opl_entry oplent;
 } nghttp3_chunk;
 
-nghttp3_objalloc_def(chunk, nghttp3_chunk, oplent);
+nghttp3_objalloc_decl(chunk, nghttp3_chunk, oplent);
 
 struct nghttp3_conn {
   nghttp3_objalloc out_chunk_objalloc;
@@ -90,7 +93,6 @@ struct nghttp3_conn {
   void *user_data;
   int server;
   uint16_t flags;
-  uint64_t next_seq;
 
   struct {
     nghttp3_settings settings;
@@ -109,6 +111,10 @@ struct nghttp3_conn {
          initiated bidirectional stream ID the remote endpoint can
          issue.  This field is used on server side only. */
       uint64_t max_client_streams;
+      /* num_streams is the number of client initiated bidirectional
+         streams that are currently open.  This field is for server
+         use only. */
+      size_t num_streams;
     } bidi;
     nghttp3_settings settings;
   } remote;

deps/ngtcp2/nghttp3/lib/nghttp3_conv.c

@@ -29,6 +29,7 @@
 #include <assert.h>
 
 #include "nghttp3_str.h"
+#include "nghttp3_unreachable.h"
 
 int64_t nghttp3_get_varint(size_t *plen, const uint8_t *p) {
   union {
@@ -38,7 +39,7 @@ int64_t nghttp3_get_varint(size_t *plen, const uint8_t *p) {
     uint64_t n64;
   } n;
 
-  *plen = 1u << (*p >> 6);
+  *plen = (size_t)(1u << (*p >> 6));
 
   switch (*plen) {
   case 1:
@@ -57,34 +58,25 @@ int64_t nghttp3_get_varint(size_t *plen, const uint8_t *p) {
     return (int64_t)nghttp3_ntohl64(n.n64);
   }
 
-  assert(0);
-  abort();
+  nghttp3_unreachable();
 }
 
 int64_t nghttp3_get_varint_fb(const uint8_t *p) { return *p & 0x3f; }
 
-size_t nghttp3_get_varint_len(const uint8_t *p) { return 1u << (*p >> 6); }
+size_t nghttp3_get_varintlen(const uint8_t *p) {
+  return (size_t)(1u << (*p >> 6));
+}
 
 uint8_t *nghttp3_put_uint64be(uint8_t *p, uint64_t n) {
   n = nghttp3_htonl64(n);
   return nghttp3_cpymem(p, (const uint8_t *)&n, sizeof(n));
 }
 
-uint8_t *nghttp3_put_uint48be(uint8_t *p, uint64_t n) {
-  n = nghttp3_htonl64(n);
-  return nghttp3_cpymem(p, ((const uint8_t *)&n) + 2, 6);
-}
-
 uint8_t *nghttp3_put_uint32be(uint8_t *p, uint32_t n) {
   n = htonl(n);
   return nghttp3_cpymem(p, (const uint8_t *)&n, sizeof(n));
 }
 
-uint8_t *nghttp3_put_uint24be(uint8_t *p, uint32_t n) {
-  n = htonl(n);
-  return nghttp3_cpymem(p, ((const uint8_t *)&n) + 1, 3);
-}
-
 uint8_t *nghttp3_put_uint16be(uint8_t *p, uint16_t n) {
   n = htons(n);
   return nghttp3_cpymem(p, (const uint8_t *)&n, sizeof(n));
@@ -112,7 +104,7 @@ uint8_t *nghttp3_put_varint(uint8_t *p, int64_t n) {
   return rv;
 }
 
-size_t nghttp3_put_varint_len(int64_t n) {
+size_t nghttp3_put_varintlen(int64_t n) {
   if (n < 64) {
     return 1;
   }
@@ -129,7 +121,3 @@ size_t nghttp3_put_varint_len(int64_t n) {
 uint64_t nghttp3_ord_stream_id(int64_t stream_id) {
   return (uint64_t)(stream_id >> 2) + 1;
 }
-
-uint8_t nghttp3_pri_to_uint8(const nghttp3_pri *pri) {
-  return (uint8_t)((uint32_t)pri->inc << 7 | pri->urgency);
-}

deps/ngtcp2/nghttp3/lib/nghttp3_conv.h

@@ -50,15 +50,11 @@
 #  include <sys/endian.h>
 #endif /* HAVE_SYS_ENDIAN_H */
 
-#include <nghttp3/nghttp3.h>
+#if defined(__APPLE__)
+#  include <libkern/OSByteOrder.h>
+#endif // __APPLE__
 
-#if defined(HAVE_BSWAP_64) ||                                                  \
-    (defined(HAVE_DECL_BSWAP_64) && HAVE_DECL_BSWAP_64 > 0)
-#  define nghttp3_bswap64 bswap_64
-#else /* !HAVE_BSWAP_64 */
-#  define nghttp3_bswap64(N)                                                   \
-    ((uint64_t)(ntohl((uint32_t)(N))) << 32 | ntohl((uint32_t)((N) >> 32)))
-#endif /* !HAVE_BSWAP_64 */
+#include <nghttp3/nghttp3.h>
 
 #if defined(HAVE_BE64TOH) ||                                                   \
     (defined(HAVE_DECL_BE64TOH) && HAVE_DECL_BE64TOH > 0)
@@ -69,6 +65,17 @@
 #    define nghttp3_ntohl64(N) (N)
 #    define nghttp3_htonl64(N) (N)
 #  else /* !WORDS_BIGENDIAN */
+#    if defined(HAVE_BSWAP_64) ||                                              \
+        (defined(HAVE_DECL_BSWAP_64) && HAVE_DECL_BSWAP_64 > 0)
+#      define nghttp3_bswap64 bswap_64
+#    elif defined(WIN32)
+#      define nghttp3_bswap64 _byteswap_uint64
+#    elif defined(__APPLE__)
+#      define nghttp3_bswap64 OSSwapInt64
+#    else /* !HAVE_BSWAP_64 && !WIN32 && !__APPLE__ */
+#      define nghttp3_bswap64(N)                                               \
+        ((uint64_t)(ntohl((uint32_t)(N))) << 32 | ntohl((uint32_t)((N) >> 32)))
+#    endif /* !HAVE_BSWAP_64 && !WIN32 && !__APPLE__ */
 #    define nghttp3_ntohl64(N) nghttp3_bswap64(N)
 #    define nghttp3_htonl64(N) nghttp3_bswap64(N)
 #  endif /* !WORDS_BIGENDIAN */
@@ -106,17 +113,17 @@ STIN uint16_t htons(uint16_t hostshort) {
 STIN uint32_t ntohl(uint32_t netlong) {
   uint32_t res;
   unsigned char *p = (unsigned char *)&netlong;
-  res = *p++ << 24;
-  res += *p++ << 16;
-  res += *p++ << 8;
+  res = (uint32_t)(*p++ << 24);
+  res += (uint32_t)(*p++ << 16);
+  res += (uint32_t)(*p++ << 8);
   res += *p;
   return res;
 }
 
 STIN uint16_t ntohs(uint16_t netshort) {
   uint16_t res;
   unsigned char *p = (unsigned char *)&netshort;
-  res = *p++ << 8;
+  res = (uint16_t)(*p++ << 8);
   res += *p;
   return res;
 }
@@ -137,10 +144,10 @@ int64_t nghttp3_get_varint(size_t *plen, const uint8_t *p);
 int64_t nghttp3_get_varint_fb(const uint8_t *p);
 
 /*
- * nghttp3_get_varint_len returns the required number of bytes to read
+ * nghttp3_get_varintlen returns the required number of bytes to read
  * variable-length integer starting at |p|.
  */
-size_t nghttp3_get_varint_len(const uint8_t *p);
+size_t nghttp3_get_varintlen(const uint8_t *p);
 
 /*
  * nghttp3_put_uint64be writes |n| in host byte order in |p| in
@@ -149,27 +156,13 @@ size_t nghttp3_get_varint_len(const uint8_t *p);
  */
 uint8_t *nghttp3_put_uint64be(uint8_t *p, uint64_t n);
 
-/*
- * nghttp3_put_uint48be writes |n| in host byte order in |p| in
- * network byte order.  It writes only least significant 48 bits.  It
- * returns the one beyond of the last written position.
- */
-uint8_t *nghttp3_put_uint48be(uint8_t *p, uint64_t n);
-
 /*
  * nghttp3_put_uint32be writes |n| in host byte order in |p| in
  * network byte order.  It returns the one beyond of the last written
  * position.
  */
 uint8_t *nghttp3_put_uint32be(uint8_t *p, uint32_t n);
 
-/*
- * nghttp3_put_uint24be writes |n| in host byte order in |p| in
- * network byte order.  It writes only least significant 24 bits.  It
- * returns the one beyond of the last written position.
- */
-uint8_t *nghttp3_put_uint24be(uint8_t *p, uint32_t n);
-
 /*
  * nghttp3_put_uint16be writes |n| in host byte order in |p| in
  * network byte order.  It returns the one beyond of the last written
@@ -184,10 +177,10 @@ uint8_t *nghttp3_put_uint16be(uint8_t *p, uint16_t n);
 uint8_t *nghttp3_put_varint(uint8_t *p, int64_t n);
 
 /*
- * nghttp3_put_varint_len returns the required number of bytes to
+ * nghttp3_put_varintlen returns the required number of bytes to
  * encode |n|.
  */
-size_t nghttp3_put_varint_len(int64_t n);
+size_t nghttp3_put_varintlen(int64_t n);
 
 /*
  * nghttp3_ord_stream_id returns the ordinal number of |stream_id|.
@@ -200,22 +193,4 @@ uint64_t nghttp3_ord_stream_id(int64_t stream_id);
  */
 #define NGHTTP3_PRI_INC_MASK (1 << 7)
 
-/*
- * nghttp3_pri_to_uint8 encodes |pri| into uint8_t variable.
- */
-uint8_t nghttp3_pri_to_uint8(const nghttp3_pri *pri);
-
-/*
- * nghttp3_pri_uint8_urgency extracts urgency from |PRI| which is
- * supposed to be constructed by nghttp3_pri_to_uint8.
- */
-#define nghttp3_pri_uint8_urgency(PRI)                                         \
-  ((uint32_t)((PRI) & ~NGHTTP3_PRI_INC_MASK))
-
-/*
- * nghttp3_pri_uint8_inc extracts inc from |PRI| which is supposed to
- * be constructed by nghttp3_pri_to_uint8.
- */
-#define nghttp3_pri_uint8_inc(PRI) (((PRI)&NGHTTP3_PRI_INC_MASK) != 0)
-
 #endif /* NGHTTP3_CONV_H */

deps/ngtcp2/nghttp3/lib/nghttp3_err.c

@@ -28,8 +28,6 @@ const char *nghttp3_strerror(int liberr) {
   switch (liberr) {
   case NGHTTP3_ERR_INVALID_ARGUMENT:
     return "ERR_INVALID_ARGUMENT";
-  case NGHTTP3_ERR_NOBUF:
-    return "ERR_NOBUF";
   case NGHTTP3_ERR_INVALID_STATE:
     return "ERR_INVALID_STATE";
   case NGHTTP3_ERR_WOULDBLOCK:
@@ -104,6 +102,9 @@ uint64_t nghttp3_err_infer_quic_app_error_code(int liberr) {
   case NGHTTP3_ERR_H3_INTERNAL_ERROR:
   case NGHTTP3_ERR_NOMEM:
   case NGHTTP3_ERR_CALLBACK_FAILURE:
+  case NGHTTP3_ERR_QPACK_FATAL:
+  case NGHTTP3_ERR_QPACK_HEADER_TOO_LARGE:
+  case NGHTTP3_ERR_STREAM_DATA_OVERFLOW:
     return NGHTTP3_H3_INTERNAL_ERROR;
   case NGHTTP3_ERR_H3_CLOSED_CRITICAL_STREAM:
     return NGHTTP3_H3_CLOSED_CRITICAL_STREAM;

deps/ngtcp2/nghttp3/lib/nghttp3_frame.c

@@ -38,7 +38,7 @@ uint8_t *nghttp3_frame_write_hd(uint8_t *p, const nghttp3_frame_hd *hd) {
 }
 
 size_t nghttp3_frame_write_hd_len(const nghttp3_frame_hd *hd) {
-  return nghttp3_put_varint_len(hd->type) + nghttp3_put_varint_len(hd->length);
+  return nghttp3_put_varintlen(hd->type) + nghttp3_put_varintlen(hd->length);
 }
 
 uint8_t *nghttp3_frame_write_settings(uint8_t *p,
@@ -61,14 +61,14 @@ size_t nghttp3_frame_write_settings_len(int64_t *ppayloadlen,
   size_t i;
 
   for (i = 0; i < fr->niv; ++i) {
-    payloadlen += nghttp3_put_varint_len((int64_t)fr->iv[i].id) +
-                  nghttp3_put_varint_len((int64_t)fr->iv[i].value);
+    payloadlen += nghttp3_put_varintlen((int64_t)fr->iv[i].id) +
+                  nghttp3_put_varintlen((int64_t)fr->iv[i].value);
   }
 
   *ppayloadlen = (int64_t)payloadlen;
 
-  return nghttp3_put_varint_len(NGHTTP3_FRAME_SETTINGS) +
-         nghttp3_put_varint_len((int64_t)payloadlen) + payloadlen;
+  return nghttp3_put_varintlen(NGHTTP3_FRAME_SETTINGS) +
+         nghttp3_put_varintlen((int64_t)payloadlen) + payloadlen;
 }
 
 uint8_t *nghttp3_frame_write_goaway(uint8_t *p,
@@ -81,44 +81,34 @@ uint8_t *nghttp3_frame_write_goaway(uint8_t *p,
 
 size_t nghttp3_frame_write_goaway_len(int64_t *ppayloadlen,
                                       const nghttp3_frame_goaway *fr) {
-  size_t payloadlen = nghttp3_put_varint_len(fr->id);
+  size_t payloadlen = nghttp3_put_varintlen(fr->id);
 
   *ppayloadlen = (int64_t)payloadlen;
 
-  return nghttp3_put_varint_len(NGHTTP3_FRAME_GOAWAY) +
-         nghttp3_put_varint_len((int64_t)payloadlen) + payloadlen;
+  return nghttp3_put_varintlen(NGHTTP3_FRAME_GOAWAY) +
+         nghttp3_put_varintlen((int64_t)payloadlen) + payloadlen;
 }
 
 uint8_t *
 nghttp3_frame_write_priority_update(uint8_t *p,
                                     const nghttp3_frame_priority_update *fr) {
   p = nghttp3_frame_write_hd(p, &fr->hd);
   p = nghttp3_put_varint(p, fr->pri_elem_id);
-
-  assert(fr->pri.urgency <= NGHTTP3_URGENCY_LOW);
-
-  *p++ = 'u';
-  *p++ = '=';
-  *p++ = (uint8_t)('0' + fr->pri.urgency);
-
-  if (fr->pri.inc) {
-#define NGHTTP3_PRIORITY_INCREMENTAL ", i"
-    p = nghttp3_cpymem(p, (const uint8_t *)NGHTTP3_PRIORITY_INCREMENTAL,
-                       sizeof(NGHTTP3_PRIORITY_INCREMENTAL) - 1);
+  if (fr->datalen) {
+    p = nghttp3_cpymem(p, fr->data, fr->datalen);
   }
 
   return p;
 }
 
 size_t nghttp3_frame_write_priority_update_len(
     int64_t *ppayloadlen, const nghttp3_frame_priority_update *fr) {
-  size_t payloadlen = nghttp3_put_varint_len(fr->pri_elem_id) + sizeof("u=U") -
-                      1 + (fr->pri.inc ? sizeof(", i") - 1 : 0);
+  size_t payloadlen = nghttp3_put_varintlen(fr->pri_elem_id) + fr->datalen;
 
   *ppayloadlen = (int64_t)payloadlen;
 
-  return nghttp3_put_varint_len(fr->hd.type) +
-         nghttp3_put_varint_len((int64_t)payloadlen) + payloadlen;
+  return nghttp3_put_varintlen(fr->hd.type) +
+         nghttp3_put_varintlen((int64_t)payloadlen) + payloadlen;
 }
 
 int nghttp3_nva_copy(nghttp3_nv **pnva, const nghttp3_nv *nva, size_t nvlen,
@@ -164,11 +154,11 @@ int nghttp3_nva_copy(nghttp3_nv **pnva, const nghttp3_nv *nva, size_t nvlen,
     } else {
       if (nva[i].namelen) {
         memcpy(data, nva[i].name, nva[i].namelen);
+        nghttp3_downcase(data, nva[i].namelen);
       }
       p->name = data;
       p->namelen = nva[i].namelen;
       data[p->namelen] = '\0';
-      nghttp3_downcase(p->name, p->namelen);
       data += nva[i].namelen + 1;
     }
 
@@ -202,3 +192,12 @@ void nghttp3_frame_headers_free(nghttp3_frame_headers *fr,
 
   nghttp3_nva_del(fr->nva, mem);
 }
+
+void nghttp3_frame_priority_update_free(nghttp3_frame_priority_update *fr,
+                                        const nghttp3_mem *mem) {
+  if (fr == NULL) {
+    return;
+  }
+
+  nghttp3_mem_free(mem, fr->data);
+}