1 #ifndef LI_H2_H 2 #define LI_H2_H 3 #include "first.h" 4 5 /* time_t */ 6 #include <sys/types.h> 7 #include <sys/time.h> 8 9 #if defined(__APPLE__) && defined(__MACH__) 10 #if __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 1050 11 #include <time.h> 12 #endif 13 #endif 14 15 #include "base_decls.h" 16 #include "buffer.h" 17 18 struct chunkqueue; /* declaration */ 19 20 typedef enum { 21 H2_FTYPE_DATA = 0x00, 22 H2_FTYPE_HEADERS = 0x01, 23 H2_FTYPE_PRIORITY = 0x02, 24 H2_FTYPE_RST_STREAM = 0x03, 25 H2_FTYPE_SETTINGS = 0x04, 26 H2_FTYPE_PUSH_PROMISE = 0x05, 27 H2_FTYPE_PING = 0x06, 28 H2_FTYPE_GOAWAY = 0x07, 29 H2_FTYPE_WINDOW_UPDATE = 0x08, 30 H2_FTYPE_CONTINUATION = 0x09 31 } request_h2ftype_t; 32 33 typedef enum { 34 H2_SETTINGS_HEADER_TABLE_SIZE = 0x01, 35 H2_SETTINGS_ENABLE_PUSH = 0x02, 36 H2_SETTINGS_MAX_CONCURRENT_STREAMS = 0x03, 37 H2_SETTINGS_INITIAL_WINDOW_SIZE = 0x04, 38 H2_SETTINGS_MAX_FRAME_SIZE = 0x05, 39 H2_SETTINGS_MAX_HEADER_LIST_SIZE = 0x06 40 } request_h2settings_t; 41 42 typedef enum { 43 H2_FLAG_END_STREAM = 0x01, /* DATA HEADERS */ 44 H2_FLAG_END_HEADERS = 0x04, /* HEADERS PUSH_PROMISE CONTINUATION */ 45 H2_FLAG_PADDED = 0x08, /* DATA HEADERS PUSH_PROMISE */ 46 H2_FLAG_PRIORITY = 0x20, /* HEADERS */ 47 H2_FLAG_ACK = 0x01 /* PING SETTINGS*/ 48 } request_h2flag_t; 49 50 typedef enum { 51 H2_E_NO_ERROR = 0x00, 52 H2_E_PROTOCOL_ERROR = 0x01, 53 H2_E_INTERNAL_ERROR = 0x02, 54 H2_E_FLOW_CONTROL_ERROR = 0x03, 55 H2_E_SETTINGS_TIMEOUT = 0x04, 56 H2_E_STREAM_CLOSED = 0x05, 57 H2_E_FRAME_SIZE_ERROR = 0x06, 58 H2_E_REFUSED_STREAM = 0x07, 59 H2_E_CANCEL = 0x08, 60 H2_E_COMPRESSION_ERROR = 0x09, 61 H2_E_CONNECT_ERROR = 0x0a, 62 H2_E_ENHANCE_YOUR_CALM = 0x0b, 63 H2_E_INADEQUATE_SECURITY = 0x0c, 64 H2_E_HTTP_1_1_REQUIRED = 0x0d 65 } request_h2error_t; 66 67 typedef enum { 68 H2_STATE_IDLE, 69 H2_STATE_RESERVED_LOCAL, 70 H2_STATE_RESERVED_REMOTE, 71 H2_STATE_OPEN, 72 H2_STATE_HALF_CLOSED_LOCAL, 73 H2_STATE_HALF_CLOSED_REMOTE, 74 H2_STATE_CLOSED 75 } request_h2state_t; 76 77 struct h2con { 78 request_st *r[8]; 79 uint32_t rused; 80 81 uint32_t h2_cid; 82 uint32_t h2_sid; 83 int32_t sent_goaway; 84 time_t sent_settings; 85 uint32_t s_header_table_size; /* SETTINGS_HEADER_TABLE_SIZE */ 86 uint32_t s_enable_push; /* SETTINGS_ENABLE_PUSH */ 87 uint32_t s_max_concurrent_streams; /* SETTINGS_MAX_CONCURRENT_STREAMS */ 88 int32_t s_initial_window_size; /* SETTINGS_INITIAL_WINDOW_SIZE */ 89 uint32_t s_max_frame_size; /* SETTINGS_MAX_FRAME_SIZE */ 90 uint32_t s_max_header_list_size; /* SETTINGS_MAX_HEADER_LIST_SIZE */ 91 }; 92 93 void h2_send_goaway (connection *con, request_h2error_t e); 94 95 int h2_parse_frames (connection *con); 96 97 int h2_want_read (connection *con); 98 99 void h2_init_con (request_st * restrict h2r, connection * restrict con, const buffer * restrict http2_settings); 100 101 void h2_send_100_continue (request_st *r, connection *con); 102 103 void h2_send_cqheaders (request_st *r, connection *con); 104 105 void h2_send_cqdata (request_st *r, connection *con, struct chunkqueue *cq, uint32_t dlen); 106 107 void h2_send_end_stream (request_st *r, connection *con); 108 109 void h2_retire_stream (request_st *r, connection *con); 110 111 void h2_retire_con (request_st *h2r, connection *con); 112 113 __attribute_cold__ 114 __attribute_noinline__ 115 int h2_check_con_upgrade_h2c (request_st *r); 116 117 #endif 118