initial commit

2025-08-05 15:53:44 +08:00
commit 09dc02ae52
553 changed files with 137665 additions and 0 deletions
--- a/third_party/libhv/http/http2def.h
+++ b/third_party/libhv/http/http2def.h
@@ -0,0 +1,86 @@
+#ifndef HV_HTTP2_DEF_H_
+#define HV_HTTP2_DEF_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+#define HTTP2_MAGIC             "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n"
+#define HTTP2_MAGIC_LEN         24
+
+// length:3bytes + type:1byte + flags:1byte + stream_id:4bytes = 9bytes
+#define HTTP2_FRAME_HDLEN       9
+
+#define HTTP2_UPGRADE_RESPONSE \
+"HTTP/1.1 101 Switching Protocols\r\n"\
+"Connection: Upgrade\r\n"\
+"Upgrade: h2c\r\n\r\n"
+
+typedef enum {
+    HTTP2_DATA          = 0,
+    HTTP2_HEADERS       = 0x01,
+    HTTP2_PRIORITY      = 0x02,
+    HTTP2_RST_STREAM    = 0x03,
+    HTTP2_SETTINGS      = 0x04,
+    HTTP2_PUSH_PROMISE  = 0x05,
+    HTTP2_PING          = 0x06,
+    HTTP2_GOAWAY        = 0x07,
+    HTTP2_WINDOW_UPDATE = 0x08,
+    HTTP2_CONTINUATION  = 0x09,
+    HTTP2_ALTSVC        = 0x0a,
+    HTTP2_ORIGIN        = 0x0c
+} http2_frame_type;
+
+typedef enum {
+    HTTP2_FLAG_NONE         = 0,
+    HTTP2_FLAG_END_STREAM   = 0x01,
+    HTTP2_FLAG_END_HEADERS  = 0x04,
+    HTTP2_FLAG_PADDED       = 0x08,
+    HTTP2_FLAG_PRIORITY     = 0x20
+} http2_flag;
+
+typedef struct {
+    int                 length;
+    http2_frame_type    type;
+    http2_flag          flags;
+    int                 stream_id;
+} http2_frame_hd;
+
+static inline void http2_frame_hd_pack(const http2_frame_hd* hd, unsigned char* buf) {
+    // hton
+    int length = hd->length;
+    int stream_id = hd->stream_id;
+    unsigned char* p = buf;
+    *p++ = (length >> 16) & 0xFF;
+    *p++ = (length >>  8) & 0xFF;
+    *p++ =  length        & 0xFF;
+    *p++ = (unsigned char)hd->type;
+    *p++ = (unsigned char)hd->flags;
+    *p++ = (stream_id >> 24) & 0xFF;
+    *p++ = (stream_id >> 16) & 0xFF;
+    *p++ = (stream_id >>  8) & 0xFF;
+    *p++ =  stream_id        & 0xFF;
+}
+
+static inline void http2_frame_hd_unpack(const unsigned char* buf, http2_frame_hd* hd) {
+    // ntoh
+    const unsigned char* p = buf;
+    hd->length  = *p++ << 16;
+    hd->length += *p++ << 8;
+    hd->length += *p++;
+
+    hd->type = (http2_frame_type)*p++;
+    hd->flags = (http2_flag)*p++;
+
+    hd->stream_id  = *p++ << 24;
+    hd->stream_id += *p++ << 16;
+    hd->stream_id += *p++ << 8;
+    hd->stream_id += *p++;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // HV_HTTP2_DEF_H_