diff options
Diffstat (limited to 'ffmpeg1/libavformat/mmst.c')
| -rw-r--r-- | ffmpeg1/libavformat/mmst.c | 629 |
1 files changed, 0 insertions, 629 deletions
diff --git a/ffmpeg1/libavformat/mmst.c b/ffmpeg1/libavformat/mmst.c deleted file mode 100644 index c3d2ebb..0000000 --- a/ffmpeg1/libavformat/mmst.c +++ /dev/null @@ -1,629 +0,0 @@ -/* - * MMS protocol over TCP - * Copyright (c) 2006,2007 Ryan Martell - * Copyright (c) 2007 Björn Axelsson - * Copyright (c) 2010 Zhentan Feng <spyfeng at gmail dot com> - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -/* References - * MMS protocol specification: - * [1]http://msdn.microsoft.com/en-us/library/cc234711(PROT.10).aspx - * ASF specification. Revision 01.20.03. - * [2]http://msdn.microsoft.com/en-us/library/bb643323.aspx - */ - -#include "avformat.h" -#include "mms.h" -#include "internal.h" -#include "avio_internal.h" -#include "libavutil/intreadwrite.h" -#include "libavcodec/bytestream.h" -#include "network.h" -#include "url.h" - -#define LOCAL_ADDRESS 0xc0a80081 // FIXME get and use correct local ip address. -#define LOCAL_PORT 1037 // as above. -/** Client to server packet types. */ -typedef enum { - CS_PKT_INITIAL = 0x01, - CS_PKT_PROTOCOL_SELECT = 0x02, - CS_PKT_MEDIA_FILE_REQUEST = 0x05, - CS_PKT_START_FROM_PKT_ID = 0x07, - CS_PKT_STREAM_PAUSE = 0x09, - CS_PKT_STREAM_CLOSE = 0x0d, - CS_PKT_MEDIA_HEADER_REQUEST = 0x15, - CS_PKT_TIMING_DATA_REQUEST = 0x18, - CS_PKT_USER_PASSWORD = 0x1a, - CS_PKT_KEEPALIVE = 0x1b, - CS_PKT_STREAM_ID_REQUEST = 0x33, -} MMSCSPacketType; - -/** Server to client packet types. */ -typedef enum { - /** Control packets. */ - /*@{*/ - SC_PKT_CLIENT_ACCEPTED = 0x01, - SC_PKT_PROTOCOL_ACCEPTED = 0x02, - SC_PKT_PROTOCOL_FAILED = 0x03, - SC_PKT_MEDIA_PKT_FOLLOWS = 0x05, - SC_PKT_MEDIA_FILE_DETAILS = 0x06, - SC_PKT_HEADER_REQUEST_ACCEPTED = 0x11, - SC_PKT_TIMING_TEST_REPLY = 0x15, - SC_PKT_PASSWORD_REQUIRED = 0x1a, - SC_PKT_KEEPALIVE = 0x1b, - SC_PKT_STREAM_STOPPED = 0x1e, - SC_PKT_STREAM_CHANGING = 0x20, - SC_PKT_STREAM_ID_ACCEPTED = 0x21, - /*@}*/ - - /** Pseudo packets. */ - /*@{*/ - SC_PKT_CANCEL = -1, - SC_PKT_NO_DATA = -2, - /*@}*/ - - /** Data packets. */ - /*@{*/ - SC_PKT_ASF_HEADER = 0x010000,// make it bigger than 0xFF in case of - SC_PKT_ASF_MEDIA = 0x010001,// receiving false data packets. - /*@}*/ -} MMSSCPacketType; - -typedef struct { - MMSContext mms; - int outgoing_packet_seq; ///< Outgoing packet sequence number. - char path[256]; ///< Path of the resource being asked for. - char host[128]; ///< Host of the resources. - int incoming_packet_seq; ///< Incoming packet sequence number. - int incoming_flags; ///< Incoming packet flags. - int packet_id; ///< Identifier for packets in the current stream. - unsigned int header_packet_id; ///< default is 2. -} MMSTContext; - -/** Create MMST command packet header */ -static void start_command_packet(MMSTContext *mmst, MMSCSPacketType packet_type) -{ - MMSContext *mms = &mmst->mms; - mms->write_out_ptr = mms->out_buffer; - - bytestream_put_le32(&mms->write_out_ptr, 1); // start sequence - bytestream_put_le32(&mms->write_out_ptr, 0xb00bface); - bytestream_put_le32(&mms->write_out_ptr, 0); // Length starts from after the protocol type bytes - bytestream_put_le32(&mms->write_out_ptr, MKTAG('M','M','S',' ')); - bytestream_put_le32(&mms->write_out_ptr, 0); - bytestream_put_le32(&mms->write_out_ptr, mmst->outgoing_packet_seq++); - bytestream_put_le64(&mms->write_out_ptr, 0); // timestamp - bytestream_put_le32(&mms->write_out_ptr, 0); - bytestream_put_le16(&mms->write_out_ptr, packet_type); - bytestream_put_le16(&mms->write_out_ptr, 3); // direction to server -} - -/** Add prefixes to MMST command packet. */ -static void insert_command_prefixes(MMSContext *mms, - uint32_t prefix1, uint32_t prefix2) -{ - bytestream_put_le32(&mms->write_out_ptr, prefix1); // first prefix - bytestream_put_le32(&mms->write_out_ptr, prefix2); // second prefix -} - -/** Send a prepared MMST command packet. */ -static int send_command_packet(MMSTContext *mmst) -{ - MMSContext *mms = &mmst->mms; - int len= mms->write_out_ptr - mms->out_buffer; - int exact_length = FFALIGN(len, 8); - int first_length= exact_length - 16; - int len8= first_length/8; - int write_result; - - // update packet length fields. - AV_WL32(mms->out_buffer + 8, first_length); - AV_WL32(mms->out_buffer + 16, len8); - AV_WL32(mms->out_buffer + 32, len8-2); - memset(mms->write_out_ptr, 0, exact_length - len); - - // write it out. - write_result= ffurl_write(mms->mms_hd, mms->out_buffer, exact_length); - if(write_result != exact_length) { - av_log(NULL, AV_LOG_ERROR, - "Failed to write data of length %d: %d (%s)\n", - exact_length, write_result, - write_result < 0 ? strerror(AVUNERROR(write_result)) : - "The server closed the connection"); - return AVERROR(EIO); - } - - return 0; -} - -static void mms_put_utf16(MMSContext *mms, const uint8_t *src) -{ - AVIOContext bic; - int size = mms->write_out_ptr - mms->out_buffer; - int len; - ffio_init_context(&bic, mms->write_out_ptr, - sizeof(mms->out_buffer) - size, 1, NULL, NULL, NULL, NULL); - - len = avio_put_str16le(&bic, src); - mms->write_out_ptr += len; -} - -static int send_time_test_data(MMSTContext *mmst) -{ - start_command_packet(mmst, CS_PKT_TIMING_DATA_REQUEST); - insert_command_prefixes(&mmst->mms, 0x00f0f0f0, 0x0004000b); - return send_command_packet(mmst); -} - -static int send_protocol_select(MMSTContext *mmst) -{ - char data_string[256]; - MMSContext *mms = &mmst->mms; - - start_command_packet(mmst, CS_PKT_PROTOCOL_SELECT); - insert_command_prefixes(mms, 0, 0xffffffff); - bytestream_put_le32(&mms->write_out_ptr, 0); // maxFunnelBytes - bytestream_put_le32(&mms->write_out_ptr, 0x00989680); // maxbitRate - bytestream_put_le32(&mms->write_out_ptr, 2); // funnelMode - snprintf(data_string, sizeof(data_string), "\\\\%d.%d.%d.%d\\%s\\%d", - (LOCAL_ADDRESS>>24)&0xff, - (LOCAL_ADDRESS>>16)&0xff, - (LOCAL_ADDRESS>>8)&0xff, - LOCAL_ADDRESS&0xff, - "TCP", // or UDP - LOCAL_PORT); - - mms_put_utf16(mms, data_string); - return send_command_packet(mmst); -} - -static int send_media_file_request(MMSTContext *mmst) -{ - MMSContext *mms = &mmst->mms; - start_command_packet(mmst, CS_PKT_MEDIA_FILE_REQUEST); - insert_command_prefixes(mms, 1, 0xffffffff); - bytestream_put_le32(&mms->write_out_ptr, 0); - bytestream_put_le32(&mms->write_out_ptr, 0); - mms_put_utf16(mms, mmst->path + 1); // +1 for skip "/" - - return send_command_packet(mmst); -} - -static void handle_packet_stream_changing_type(MMSTContext *mmst) -{ - MMSContext *mms = &mmst->mms; - av_dlog(NULL, "Stream changing!\n"); - - // 40 is the packet header size, 7 is the prefix size. - mmst->header_packet_id= AV_RL32(mms->in_buffer + 40 + 7); - av_dlog(NULL, "Changed header prefix to 0x%x", mmst->header_packet_id); -} - -static int send_keepalive_packet(MMSTContext *mmst) -{ - // respond to a keepalive with a keepalive... - start_command_packet(mmst, CS_PKT_KEEPALIVE); - insert_command_prefixes(&mmst->mms, 1, 0x100FFFF); - return send_command_packet(mmst); -} - -/** Pad media packets smaller than max_packet_size and/or adjust read position - * after a seek. */ -static void pad_media_packet(MMSContext *mms) -{ - if(mms->remaining_in_len<mms->asf_packet_len) { - int padding_size = mms->asf_packet_len - mms->remaining_in_len; - memset(mms->in_buffer + mms->remaining_in_len, 0, padding_size); - mms->remaining_in_len += padding_size; - } -} - -/** Read incoming MMST media, header or command packet. */ -static MMSSCPacketType get_tcp_server_response(MMSTContext *mmst) -{ - int read_result; - MMSSCPacketType packet_type= -1; - MMSContext *mms = &mmst->mms; - for(;;) { - read_result = ffurl_read_complete(mms->mms_hd, mms->in_buffer, 8); - if (read_result != 8) { - if(read_result < 0) { - av_log(NULL, AV_LOG_ERROR, - "Error reading packet header: %d (%s)\n", - read_result, strerror(AVUNERROR(read_result))); - packet_type = SC_PKT_CANCEL; - } else { - av_log(NULL, AV_LOG_ERROR, - "The server closed the connection\n"); - packet_type = SC_PKT_NO_DATA; - } - return packet_type; - } - - // handle command packet. - if(AV_RL32(mms->in_buffer + 4)==0xb00bface) { - int length_remaining, hr; - - mmst->incoming_flags= mms->in_buffer[3]; - read_result= ffurl_read_complete(mms->mms_hd, mms->in_buffer+8, 4); - if(read_result != 4) { - av_log(NULL, AV_LOG_ERROR, - "Reading command packet length failed: %d (%s)\n", - read_result, - read_result < 0 ? strerror(AVUNERROR(read_result)) : - "The server closed the connection"); - return read_result < 0 ? read_result : AVERROR(EIO); - } - - length_remaining= AV_RL32(mms->in_buffer+8) + 4; - av_dlog(NULL, "Length remaining is %d\n", length_remaining); - // read the rest of the packet. - if (length_remaining < 0 - || length_remaining > sizeof(mms->in_buffer) - 12) { - av_log(NULL, AV_LOG_ERROR, - "Incoming packet length %d exceeds bufsize %zu\n", - length_remaining, sizeof(mms->in_buffer) - 12); - return AVERROR_INVALIDDATA; - } - read_result = ffurl_read_complete(mms->mms_hd, mms->in_buffer + 12, - length_remaining) ; - if (read_result != length_remaining) { - av_log(NULL, AV_LOG_ERROR, - "Reading pkt data (length=%d) failed: %d (%s)\n", - length_remaining, read_result, - read_result < 0 ? strerror(AVUNERROR(read_result)) : - "The server closed the connection"); - return read_result < 0 ? read_result : AVERROR(EIO); - } - packet_type= AV_RL16(mms->in_buffer+36); - if (read_result >= 44 && (hr = AV_RL32(mms->in_buffer + 40))) { - av_log(NULL, AV_LOG_ERROR, - "Server sent a message with packet type 0x%x and error status code 0x%08x\n", packet_type, hr); - return AVERROR(EINVAL); - } - } else { - int length_remaining; - int packet_id_type; - int tmp; - - // note we cache the first 8 bytes, - // then fill up the buffer with the others - tmp = AV_RL16(mms->in_buffer + 6); - length_remaining = (tmp - 8) & 0xffff; - mmst->incoming_packet_seq = AV_RL32(mms->in_buffer); - packet_id_type = mms->in_buffer[4]; - mmst->incoming_flags = mms->in_buffer[5]; - - if (length_remaining < 0 - || length_remaining > sizeof(mms->in_buffer) - 8) { - av_log(NULL, AV_LOG_ERROR, - "Data length %d is invalid or too large (max=%zu)\n", - length_remaining, sizeof(mms->in_buffer)); - return AVERROR_INVALIDDATA; - } - mms->remaining_in_len = length_remaining; - mms->read_in_ptr = mms->in_buffer; - read_result= ffurl_read_complete(mms->mms_hd, mms->in_buffer, length_remaining); - if(read_result != length_remaining) { - av_log(NULL, AV_LOG_ERROR, - "Failed to read packet data of size %d: %d (%s)\n", - length_remaining, read_result, - read_result < 0 ? strerror(AVUNERROR(read_result)) : - "The server closed the connection"); - return read_result < 0 ? read_result : AVERROR(EIO); - } - - // if we successfully read everything. - if(packet_id_type == mmst->header_packet_id) { - packet_type = SC_PKT_ASF_HEADER; - // Store the asf header - if(!mms->header_parsed) { - void *p = av_realloc(mms->asf_header, - mms->asf_header_size + mms->remaining_in_len); - if (!p) { - av_freep(&mms->asf_header); - return AVERROR(ENOMEM); - } - mms->asf_header = p; - memcpy(mms->asf_header + mms->asf_header_size, - mms->read_in_ptr, mms->remaining_in_len); - mms->asf_header_size += mms->remaining_in_len; - } - // 0x04 means asf header is sent in multiple packets. - if (mmst->incoming_flags == 0x04) - continue; - } else if(packet_id_type == mmst->packet_id) { - packet_type = SC_PKT_ASF_MEDIA; - } else { - av_dlog(NULL, "packet id type %d is old.", packet_id_type); - continue; - } - } - - // preprocess some packet type - if(packet_type == SC_PKT_KEEPALIVE) { - send_keepalive_packet(mmst); - continue; - } else if(packet_type == SC_PKT_STREAM_CHANGING) { - handle_packet_stream_changing_type(mmst); - } else if(packet_type == SC_PKT_ASF_MEDIA) { - pad_media_packet(mms); - } - return packet_type; - } -} - -static int mms_safe_send_recv(MMSTContext *mmst, - int (*send_fun)(MMSTContext *mmst), - const MMSSCPacketType expect_type) -{ - MMSSCPacketType type; - if(send_fun) { - int ret = send_fun(mmst); - if (ret < 0) { - av_dlog(NULL, "Send Packet error before expecting recv packet %d\n", expect_type); - return ret; - } - } - - if ((type = get_tcp_server_response(mmst)) != expect_type) { - av_log(NULL, AV_LOG_ERROR, - "Corrupt stream (unexpected packet type 0x%x, expected 0x%x)\n", - type, expect_type); - return AVERROR_INVALIDDATA; - } else { - return 0; - } -} - -static int send_media_header_request(MMSTContext *mmst) -{ - MMSContext *mms = &mmst->mms; - start_command_packet(mmst, CS_PKT_MEDIA_HEADER_REQUEST); - insert_command_prefixes(mms, 1, 0); - bytestream_put_le32(&mms->write_out_ptr, 0); - bytestream_put_le32(&mms->write_out_ptr, 0x00800000); - bytestream_put_le32(&mms->write_out_ptr, 0xffffffff); - bytestream_put_le32(&mms->write_out_ptr, 0); - bytestream_put_le32(&mms->write_out_ptr, 0); - bytestream_put_le32(&mms->write_out_ptr, 0); - - // the media preroll value in milliseconds? - bytestream_put_le32(&mms->write_out_ptr, 0); - bytestream_put_le32(&mms->write_out_ptr, 0x40AC2000); - bytestream_put_le32(&mms->write_out_ptr, 2); - bytestream_put_le32(&mms->write_out_ptr, 0); - - return send_command_packet(mmst); -} - -/** Send the initial handshake. */ -static int send_startup_packet(MMSTContext *mmst) -{ - char data_string[256]; - MMSContext *mms = &mmst->mms; - // SubscriberName is defined in MS specification linked below. - // The guid value can be any valid value. - // http://download.microsoft.com/ - // download/9/5/E/95EF66AF-9026-4BB0-A41D-A4F81802D92C/%5BMS-WMSP%5D.pdf - snprintf(data_string, sizeof(data_string), - "NSPlayer/7.0.0.1956; {%s}; Host: %s", - "7E667F5D-A661-495E-A512-F55686DDA178", mmst->host); - - start_command_packet(mmst, CS_PKT_INITIAL); - insert_command_prefixes(mms, 0, 0x0004000b); - bytestream_put_le32(&mms->write_out_ptr, 0x0003001c); - mms_put_utf16(mms, data_string); - return send_command_packet(mmst); -} - -/** Send MMST stream selection command based on the AVStream->discard values. */ -static int send_stream_selection_request(MMSTContext *mmst) -{ - int i; - MMSContext *mms = &mmst->mms; - // send the streams we want back... - start_command_packet(mmst, CS_PKT_STREAM_ID_REQUEST); - bytestream_put_le32(&mms->write_out_ptr, mms->stream_num); // stream nums - for(i= 0; i<mms->stream_num; i++) { - bytestream_put_le16(&mms->write_out_ptr, 0xffff); // flags - bytestream_put_le16(&mms->write_out_ptr, mms->streams[i].id); // stream id - bytestream_put_le16(&mms->write_out_ptr, 0); // selection - } - return send_command_packet(mmst); -} - -static int send_close_packet(MMSTContext *mmst) -{ - start_command_packet(mmst, CS_PKT_STREAM_CLOSE); - insert_command_prefixes(&mmst->mms, 1, 1); - - return send_command_packet(mmst); -} - -/** Close the MMSH/MMST connection */ -static int mms_close(URLContext *h) -{ - MMSTContext *mmst = (MMSTContext *)h->priv_data; - MMSContext *mms = &mmst->mms; - if(mms->mms_hd) { - send_close_packet(mmst); - ffurl_close(mms->mms_hd); - } - - /* free all separately allocated pointers in mms */ - av_free(mms->streams); - av_free(mms->asf_header); - - return 0; -} - -static int send_media_packet_request(MMSTContext *mmst) -{ - MMSContext *mms = &mmst->mms; - start_command_packet(mmst, CS_PKT_START_FROM_PKT_ID); - insert_command_prefixes(mms, 1, 0x0001FFFF); - bytestream_put_le64(&mms->write_out_ptr, 0); // seek timestamp - bytestream_put_le32(&mms->write_out_ptr, 0xffffffff); // unknown - bytestream_put_le32(&mms->write_out_ptr, 0xffffffff); // packet offset - bytestream_put_byte(&mms->write_out_ptr, 0xff); // max stream time limit - bytestream_put_byte(&mms->write_out_ptr, 0xff); // max stream time limit - bytestream_put_byte(&mms->write_out_ptr, 0xff); // max stream time limit - bytestream_put_byte(&mms->write_out_ptr, 0x00); // stream time limit flag - - mmst->packet_id++; // new packet_id - bytestream_put_le32(&mms->write_out_ptr, mmst->packet_id); - return send_command_packet(mmst); -} - - -static void clear_stream_buffers(MMSContext *mms) -{ - mms->remaining_in_len = 0; - mms->read_in_ptr = mms->in_buffer; -} - -static int mms_open(URLContext *h, const char *uri, int flags) -{ - MMSTContext *mmst = h->priv_data; - MMSContext *mms; - int port, err; - char tcpname[256]; - - h->is_streamed = 1; - mms = &mmst->mms; - - // only for MMS over TCP, so set proto = NULL - av_url_split(NULL, 0, NULL, 0, - mmst->host, sizeof(mmst->host), &port, mmst->path, - sizeof(mmst->path), uri); - - if(port<0) - port = 1755; // defaut mms protocol port - - // establish tcp connection. - ff_url_join(tcpname, sizeof(tcpname), "tcp", NULL, mmst->host, port, NULL); - err = ffurl_open(&mms->mms_hd, tcpname, AVIO_FLAG_READ_WRITE, - &h->interrupt_callback, NULL); - if (err) - goto fail; - - mmst->packet_id = 3; // default, initial value. - mmst->header_packet_id = 2; // default, initial value. - err = mms_safe_send_recv(mmst, send_startup_packet, SC_PKT_CLIENT_ACCEPTED); - if (err) - goto fail; - err = mms_safe_send_recv(mmst, send_time_test_data, SC_PKT_TIMING_TEST_REPLY); - if (err) - goto fail; - err = mms_safe_send_recv(mmst, send_protocol_select, SC_PKT_PROTOCOL_ACCEPTED); - if (err) - goto fail; - err = mms_safe_send_recv(mmst, send_media_file_request, SC_PKT_MEDIA_FILE_DETAILS); - if (err) - goto fail; - err = mms_safe_send_recv(mmst, send_media_header_request, SC_PKT_HEADER_REQUEST_ACCEPTED); - if (err) - goto fail; - err = mms_safe_send_recv(mmst, NULL, SC_PKT_ASF_HEADER); - if (err) - goto fail; - if((mmst->incoming_flags != 0X08) && (mmst->incoming_flags != 0X0C)) { - av_log(NULL, AV_LOG_ERROR, - "The server does not support MMST (try MMSH or RTSP)\n"); - err = AVERROR(EINVAL); - goto fail; - } - err = ff_mms_asf_header_parser(mms); - if (err) { - av_dlog(NULL, "asf header parsed failed!\n"); - goto fail; - } - mms->header_parsed = 1; - - if (!mms->asf_packet_len || !mms->stream_num) - goto fail; - - clear_stream_buffers(mms); - err = mms_safe_send_recv(mmst, send_stream_selection_request, SC_PKT_STREAM_ID_ACCEPTED); - if (err) - goto fail; - // send media packet request - err = mms_safe_send_recv(mmst, send_media_packet_request, SC_PKT_MEDIA_PKT_FOLLOWS); - if (err) { - goto fail; - } - av_dlog(NULL, "Leaving open (success)\n"); - return 0; -fail: - mms_close(h); - av_dlog(NULL, "Leaving open (failure: %d)\n", err); - return err; -} - -/** Read ASF data through the protocol. */ -static int mms_read(URLContext *h, uint8_t *buf, int size) -{ - /* TODO: see tcp.c:tcp_read() about a possible timeout scheme */ - MMSTContext *mmst = h->priv_data; - MMSContext *mms = &mmst->mms; - int result = 0; - - do { - if(mms->asf_header_read_size < mms->asf_header_size) { - /* Read from ASF header buffer */ - result = ff_mms_read_header(mms, buf, size); - } else if(mms->remaining_in_len) { - /* Read remaining packet data to buffer. - * the result can not be zero because remaining_in_len is positive.*/ - result = ff_mms_read_data(mms, buf, size); - } else { - /* Read from network */ - int err = mms_safe_send_recv(mmst, NULL, SC_PKT_ASF_MEDIA); - if (err == 0) { - if(mms->remaining_in_len>mms->asf_packet_len) { - av_log(NULL, AV_LOG_ERROR, - "Incoming pktlen %d is larger than ASF pktsize %d\n", - mms->remaining_in_len, mms->asf_packet_len); - result= AVERROR(EIO); - } else { - // copy the data to the packet buffer. - result = ff_mms_read_data(mms, buf, size); - if (result == 0) { - av_dlog(NULL, "Read ASF media packet size is zero!\n"); - break; - } - } - } else { - av_dlog(NULL, "read packet error!\n"); - break; - } - } - } while(!result); // only return one packet. - return result; -} - -URLProtocol ff_mmst_protocol = { - .name = "mmst", - .url_open = mms_open, - .url_read = mms_read, - .url_close = mms_close, - .priv_data_size = sizeof(MMSTContext), - .flags = URL_PROTOCOL_FLAG_NETWORK, -}; |