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https://gitea.invidious.io/iv-org/lsquic.cr
synced 2024-08-15 00:43:31 +00:00
Add support for writing headers
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parent
33a6cdd79e
commit
6e4b028f45
2 changed files with 70 additions and 49 deletions
111
src/lsquic.cr
111
src/lsquic.cr
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@ -1,9 +1,10 @@
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require "./lsquic/*"
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# require "http/headers"
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require "http"
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require "socket"
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# TODO: Move into StreamCtx as HTTP::Client::Request
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PATH = "/"
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PATH = "/watch?v=QmyhcjpsF6E"
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METHOD = "GET"
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HEADERS = HTTP::Headers{
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":method" => METHOD,
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@ -11,16 +12,16 @@ HEADERS = HTTP::Headers{
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":path" => PATH,
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":authority" => "www.youtube.com",
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"user-agent" => "lsquic/2.6.1",
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# TODO: Only sent if payload
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# TODO: Send if payload
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# "content-type" => "application/octet-stream"
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# "content-length" => "0",
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}
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logger_if = LibLsquic::LoggerIf.new
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logger_if.log_buf = ->(logger_ctx : Void*, msg_buf : LibC::Char*, msg_size : LibC::SizeT) { puts String.new(msg_buf); 0 }
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LibLsquic.logger_init(pointerof(logger_if), nil, LibLsquic::LoggerTimestampStyle::LltsHhmmssms)
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# logger_if = LibLsquic::LoggerIf.new
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# logger_if.log_buf = ->(logger_ctx : Void*, msg_buf : LibC::Char*, msg_size : LibC::SizeT) { puts String.new(msg_buf); 0 }
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# LibLsquic.logger_init(pointerof(logger_if), nil, LibLsquic::LoggerTimestampStyle::LltsHhmmssms)
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# LibLsquic.set_log_level("debug")
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LibLsquic.logger_lopt("qlog=debug,conn=debug,engine=debug")
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# LibLsquic.logger_lopt("conn=debug")
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engine_flags = LibLsquic::LSENG_HTTP
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LibLsquic.engine_init_settings(out engine_settings, engine_flags)
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@ -29,7 +30,7 @@ engine_settings.es_ecn = 0
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LibLsquic.global_init(engine_flags & LibLsquic::LSENG_SERVER ? LibLsquic::GLOBAL_SERVER : LibLsquic::GLOBAL_CLIENT)
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err_buf = Bytes.new(128)
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err_buf = Bytes.new(0x100)
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err_code = LibLsquic.engine_check_settings(pointerof(engine_settings), engine_flags, err_buf, err_buf.size)
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raise String.new(err_buf) if err_code != 0
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@ -48,45 +49,71 @@ stream_if.on_new_stream = ->(stream_if_ctx : Void*, s : LibLsquic::StreamT) do
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stream_if_ctx
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end
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stream_if.on_read = ->(s : LibLsquic::StreamT, stream_if_ctx : Void*) { pp "b"; stream_if_ctx }
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stream_if.on_write = ->(s : LibLsquic::StreamT, stream_if_ctx : Void*) do
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# TODO: Handle if ctx has written headers(?)
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pp "c"
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# headers = HEADERS.map do |name, values|
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# value = values[0]
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# name_vec = LibLsquic::Iovec.new
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# name_vec.iov_base = name.to_slice
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# name_vec.iov_len = name.bytesize
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# value_vec = LibLsquic::Iovec.new
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# value_vec.iov_base = value.to_slice
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# value_vec.iov_len = value.bytesize
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# header = LibLsquic::HttpHeader.new
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# header.name = name_vec
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# header.value = value_vec
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# header
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# end
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# pp headers
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# LibLsquic.stream_wantwrite(s, 0)
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# LibLsquic.stream_wantread(s, 1)
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# LibLsquic.stream_shutdown(s, 1)
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stream_if.on_read = ->(s : LibLsquic::StreamT, stream_if_ctx : Void*) do
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buffer = Bytes.new(0x200)
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bytes_read = LibLsquic.stream_read(s, buffer, buffer.size)
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if bytes_read > 0
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print String.new(buffer[0, bytes_read])
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elsif bytes_read == 0
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LibLsquic.stream_shutdown(s, 0)
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# LibLsquic.stream_wantread(s, 0)
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# LibLsquic.stream_close(s)
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elsif LibLsquic.stream_is_rejected(s)
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LibLsquic.stream_close(s)
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else
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raise "Could not read stream"
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end
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stream_if_ctx
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end
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stream_if.on_close = ->(s : LibLsquic::StreamT, stream_if_ctx : Void*) { stream_if_ctx }
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stream_if.on_write = ->(s : LibLsquic::StreamT, stream_if_ctx : Void*) do
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# TODO: Handle if ctx has written headers(?)
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headers = HEADERS.map do |name, values|
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value = values[0]
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name_vec = LibLsquic::Iovec.new
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name_vec.iov_base = name.to_slice
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name_vec.iov_len = name.bytesize
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value_vec = LibLsquic::Iovec.new
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value_vec.iov_base = value.to_slice
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value_vec.iov_len = value.bytesize
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header = LibLsquic::HttpHeader.new
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header.name = name_vec
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header.value = value_vec
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header
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end
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http_headers = LibLsquic::HttpHeaders.new
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http_headers.count = headers.size
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http_headers.headers = headers.to_unsafe
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# For payload, last argument is 0
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raise "Could not send headers" if LibLsquic.stream_send_headers(s, pointerof(http_headers), 1) != 0
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LibLsquic.stream_shutdown(s, 1)
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LibLsquic.stream_wantwrite(s, 0)
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LibLsquic.stream_wantread(s, 1)
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stream_if_ctx
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end
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stream_if.on_close = ->(s : LibLsquic::StreamT, stream_if_ctx : Void*) do
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LibLsquic.conn_close(LibLsquic.stream_conn(s))
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stream_if_ctx
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end
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engine_api = LibLsquic::EngineApi.new
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engine_api.ea_settings = pointerof(engine_settings)
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engine_api.ea_stream_if = pointerof(stream_if)
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engine_api.ea_stream_if_ctx = Box.box(IO::Memory.new) # TODO
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# engine_api.ea_get_ssl_ctx = ->(peer_ctx : Void*) {}
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engine_api.ea_packets_out = ->(peer_ctx : Void*, specs : LibLsquic::OutSpec*, count : LibC::UInt) do
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count.times do |i|
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spec = specs[i]
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@ -100,6 +127,7 @@ engine_api.ea_packets_out = ->(peer_ctx : Void*, specs : LibLsquic::OutSpec*, co
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count.to_i32
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end
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engine = LibLsquic.engine_new(engine_flags, pointerof(engine_api))
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hostname = "www.youtube.com"
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@ -130,16 +158,9 @@ loop do
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if LibLsquic.engine_earliest_adv_tick(engine, out diff) == 0
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break
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else
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sleep (diff / 1000000).seconds
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sleep (diff % 1000000).nanoseconds
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end
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buffer = Bytes.new(1370)
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bytes_read = buffer.size
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until bytes_read < buffer.size
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buffer = Bytes.new(0x600)
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bytes_read = peer_ctx.socket.read(buffer)
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LibLsquic.engine_packet_in(engine, buffer, buffer.size, peer_ctx.socket.local_address, peer_addr, Box.box(peer_ctx), 0)
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LibLsquic.engine_process_conns(engine)
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end
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LibLsquic.engine_packet_in(engine, buffer[0, bytes_read], bytes_read, peer_ctx.socket.local_address, peer_addr, Box.box(peer_ctx), 0)
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end
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@ -79,7 +79,7 @@ lib LibLsquic
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struct HttpHeaders
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count : LibC::Int
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headers : HttpHeaderT*
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headers : HttpHeader*
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end
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struct HttpHeader
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@ -294,10 +294,10 @@ lib LibLsquic
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fun stream_writef = lsquic_stream_writef(x0 : StreamT, x1 : Reader*) : SsizeT
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fun stream_flush = lsquic_stream_flush(s : StreamT) : LibC::Int
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fun stream_send_headers = lsquic_stream_send_headers(s : StreamT, h : HttpHeadersT*, eos : LibC::Int) : LibC::Int
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fun stream_send_headers = lsquic_stream_send_headers(s : StreamT, h : HttpHeaders*, eos : LibC::Int) : LibC::Int
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type HttpHeadersT = HttpHeaders
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fun stream_get_hset = lsquic_stream_get_hset(x0 : StreamT) : Void*
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fun conn_push_stream = lsquic_conn_push_stream(c : ConnT, hdr_set : Void*, s : StreamT, url : Iovec*, authority : Iovec*, headers : HttpHeadersT*) : LibC::Int
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fun conn_push_stream = lsquic_conn_push_stream(c : ConnT, hdr_set : Void*, s : StreamT, url : Iovec*, authority : Iovec*, headers : HttpHeaders*) : LibC::Int
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fun conn_is_push_enabled = lsquic_conn_is_push_enabled(x0 : ConnT) : LibC::Int
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fun stream_shutdown = lsquic_stream_shutdown(s : StreamT, how : LibC::Int) : LibC::Int
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fun stream_close = lsquic_stream_close(s : StreamT) : LibC::Int
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