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swoole_http2_client_coro.cc
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swoole_http2_client_coro.cc
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/*
+----------------------------------------------------------------------+
| Swoole |
+----------------------------------------------------------------------+
| This source file is subject to version 2.0 of the Apache license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.apache.org/licenses/LICENSE-2.0.html |
| If you did not receive a copy of the Apache2.0 license and are unable|
| to obtain it through the world-wide-web, please send a note to |
| [email protected] so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Tianfeng Han <[email protected]> |
+----------------------------------------------------------------------+
*/
#include "php_swoole_cxx.h"
#include "swoole_http.h"
#ifdef SW_USE_HTTP2
#include "http.h"
#include "http2.h"
#define HTTP2_CLIENT_HOST_HEADER_INDEX 3
#include <vector>
using namespace swoole;
using swoole::coroutine::Socket;
static zend_class_entry *swoole_http2_client_coro_ce;
static zend_object_handlers swoole_http2_client_coro_handlers;
static zend_class_entry *swoole_http2_client_coro_exception_ce;
static zend_object_handlers swoole_http2_client_coro_exception_handlers;
static zend_class_entry *swoole_http2_request_ce;
static zend_object_handlers swoole_http2_request_handlers;
static zend_class_entry *swoole_http2_response_ce;
static zend_object_handlers swoole_http2_response_handlers;
struct http2_client_stream
{
uint32_t stream_id;
uint8_t gzip;
uint8_t type;
swString *buffer;
#ifdef SW_HAVE_ZLIB
z_stream gzip_stream;
swString *gzip_buffer;
#endif
zval *zresponse;
zval _zresponse;
// flow control
uint32_t remote_window_size;
uint32_t local_window_size;
};
class http2_client
{
public:
std::string host;
int port;
bool ssl;
double timeout = Socket::default_read_timeout;
Socket *client = nullptr;
nghttp2_hd_inflater *inflater = nullptr;
nghttp2_hd_deflater *deflater = nullptr;
uint32_t stream_id = 0; // the next send stream id
uint32_t last_stream_id = 0; // the last received stream id
swHttp2_settings local_settings = {0};
swHttp2_settings remote_settings = {0};
swHashMap *streams = nullptr;
/* safety zval */
zval _zobject;
zval *zobject;
http2_client(const char *_host, size_t _host_len, int _port, bool _ssl, zval *__zobject)
{
host = std::string(_host, _host_len);
port = _port;
ssl = _ssl;
_zobject = *__zobject;
zobject = &_zobject;
}
inline http2_client_stream* get_stream(uint32_t stream_id)
{
return (http2_client_stream*) swHashMap_find_int(streams, stream_id);
}
inline void update_error_properties(int code, const char *msg)
{
zend_update_property_long(swoole_http2_client_coro_ce, zobject, ZEND_STRL("errCode"), code);
zend_update_property_string(swoole_http2_client_coro_ce, zobject, ZEND_STRL("errMsg"), msg);
}
inline void io_error()
{
update_error_properties(client->errCode, client->errMsg);
}
inline void nghttp2_error(int code, const char *msg)
{
update_error_properties(code, cpp_string::format("%s with error: %s", msg, nghttp2_strerror(code)).c_str());
}
inline bool is_available()
{
if (sw_unlikely(!client))
{
SwooleG.error = SW_ERROR_CLIENT_NO_CONNECTION;
zend_update_property_long(swoole_http2_client_coro_ce, zobject, ZEND_STRL("errCode"), ECONNRESET);
zend_update_property_string(swoole_http2_client_coro_ce, zobject, ZEND_STRL("errMsg"), "client is not connected to server");
return false;
}
return true;
}
inline void apply_setting(zval *zset)
{
if (client && ZVAL_IS_ARRAY(zset))
{
php_swoole_client_set(client, zset);
}
}
inline bool recv_packet(double timeout)
{
if (sw_unlikely(client->recv_packet(timeout) <= 0))
{
io_error();
return false;
}
return true;
}
bool connect();
http2_client_stream* create_stream(uint32_t stream_id, bool pipeline);
bool send_window_update(int stream_id, uint32_t size);
bool send_ping_frame();
bool send_data(uint32_t stream_id, zval *data, bool end);
uint32_t send_request(zval *req);
bool send_goaway_frame(zend_long error_code, const char *debug_data, size_t debug_data_len);
enum swReturn_code parse_frame(zval *return_value);
bool close();
~http2_client()
{
close();
}
private:
bool send_setting();
int parse_header(http2_client_stream *stream , int flags, char *in, size_t inlen);
inline bool send(const char *buf, size_t len)
{
if (sw_unlikely(client->send_all(buf, len) != (ssize_t )len))
{
io_error();
return false;
}
return true;
}
};
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_void, 0, 0, 0)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_http2_client_coro_construct, 0, 0, 1)
ZEND_ARG_INFO(0, host)
ZEND_ARG_INFO(0, port)
ZEND_ARG_INFO(0, ssl)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_http2_client_coro_set, 0, 0, 1)
ZEND_ARG_ARRAY_INFO(0, settings, 0)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_http2_client_coro_stats, 0, 0, 0)
ZEND_ARG_INFO(0, key)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_http2_client_coro_isStreamExist, 0, 0, 1)
ZEND_ARG_INFO(0, stream_id)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_http2_client_coro_send, 0, 0, 1)
ZEND_ARG_INFO(0, request)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_http2_client_coro_write, 0, 0, 2)
ZEND_ARG_INFO(0, stream_id)
ZEND_ARG_INFO(0, data)
ZEND_ARG_INFO(0, end_stream)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_http2_client_coro_recv, 0, 0, 0)
ZEND_ARG_INFO(0, timeout)
ZEND_END_ARG_INFO()
ZEND_BEGIN_ARG_INFO_EX(arginfo_swoole_http2_client_coro_goaway, 0, 0, 0)
ZEND_ARG_INFO(0, error_code)
ZEND_ARG_INFO(0, debug_data)
ZEND_END_ARG_INFO()
static PHP_METHOD(swoole_http2_client_coro, __construct);
static PHP_METHOD(swoole_http2_client_coro, __destruct);
static PHP_METHOD(swoole_http2_client_coro, set);
static PHP_METHOD(swoole_http2_client_coro, connect);
static PHP_METHOD(swoole_http2_client_coro, stats);
static PHP_METHOD(swoole_http2_client_coro, isStreamExist);
static PHP_METHOD(swoole_http2_client_coro, send);
static PHP_METHOD(swoole_http2_client_coro, write);
static PHP_METHOD(swoole_http2_client_coro, recv);
static PHP_METHOD(swoole_http2_client_coro, ping);
static PHP_METHOD(swoole_http2_client_coro, goaway);
static PHP_METHOD(swoole_http2_client_coro, close);
static void http2_client_stream_free(void *ptr);
static const zend_function_entry swoole_http2_client_methods[] =
{
PHP_ME(swoole_http2_client_coro, __construct, arginfo_swoole_http2_client_coro_construct, ZEND_ACC_PUBLIC)
PHP_ME(swoole_http2_client_coro, __destruct, arginfo_swoole_void, ZEND_ACC_PUBLIC)
PHP_ME(swoole_http2_client_coro, set, arginfo_swoole_http2_client_coro_set, ZEND_ACC_PUBLIC)
PHP_ME(swoole_http2_client_coro, connect, arginfo_swoole_void, ZEND_ACC_PUBLIC)
PHP_ME(swoole_http2_client_coro, stats, arginfo_swoole_http2_client_coro_stats, ZEND_ACC_PUBLIC)
PHP_ME(swoole_http2_client_coro, isStreamExist, arginfo_swoole_http2_client_coro_isStreamExist, ZEND_ACC_PUBLIC)
PHP_ME(swoole_http2_client_coro, send, arginfo_swoole_http2_client_coro_send, ZEND_ACC_PUBLIC)
PHP_ME(swoole_http2_client_coro, write, arginfo_swoole_http2_client_coro_write, ZEND_ACC_PUBLIC)
PHP_ME(swoole_http2_client_coro, recv, arginfo_swoole_http2_client_coro_recv, ZEND_ACC_PUBLIC)
PHP_ME(swoole_http2_client_coro, goaway, arginfo_swoole_http2_client_coro_goaway, ZEND_ACC_PUBLIC)
PHP_ME(swoole_http2_client_coro, ping, arginfo_swoole_void, ZEND_ACC_PUBLIC)
PHP_ME(swoole_http2_client_coro, close, arginfo_swoole_void, ZEND_ACC_PUBLIC)
PHP_FE_END
};
void swoole_http2_client_coro_init(int module_number)
{
SW_INIT_CLASS_ENTRY(swoole_http2_client_coro, "Swoole\\Coroutine\\Http2\\Client", NULL, "Co\\Http2\\Client", swoole_http2_client_methods);
SW_SET_CLASS_SERIALIZABLE(swoole_http2_client_coro, zend_class_serialize_deny, zend_class_unserialize_deny);
SW_SET_CLASS_CLONEABLE(swoole_http2_client_coro, sw_zend_class_clone_deny);
SW_SET_CLASS_UNSET_PROPERTY_HANDLER(swoole_http2_client_coro, sw_zend_class_unset_property_deny);
SW_SET_CLASS_CREATE_WITH_ITS_OWN_HANDLERS(swoole_http2_client_coro);
SW_INIT_CLASS_ENTRY_EX(swoole_http2_client_coro_exception, "Swoole\\Coroutine\\Http2\\Client\\Exception", NULL, "Co\\Http2\\Client\\Exception", NULL, swoole_exception);
SW_INIT_CLASS_ENTRY(swoole_http2_request, "Swoole\\Http2\\Request", "swoole_http2_request", NULL, NULL);
SW_SET_CLASS_SERIALIZABLE(swoole_http2_request, zend_class_serialize_deny, zend_class_unserialize_deny);
SW_SET_CLASS_CLONEABLE(swoole_http2_request, sw_zend_class_clone_deny);
SW_SET_CLASS_UNSET_PROPERTY_HANDLER(swoole_http2_request, sw_zend_class_unset_property_deny);
SW_SET_CLASS_CREATE_WITH_ITS_OWN_HANDLERS(swoole_http2_request);
SW_INIT_CLASS_ENTRY(swoole_http2_response, "Swoole\\Http2\\Response", "swoole_http2_response", NULL, NULL);
SW_SET_CLASS_SERIALIZABLE(swoole_http2_response, zend_class_serialize_deny, zend_class_unserialize_deny);
SW_SET_CLASS_CLONEABLE(swoole_http2_response, sw_zend_class_clone_deny);
SW_SET_CLASS_UNSET_PROPERTY_HANDLER(swoole_http2_response, sw_zend_class_unset_property_deny);
SW_SET_CLASS_CREATE_WITH_ITS_OWN_HANDLERS(swoole_http2_response);
zend_declare_property_long(swoole_http2_client_coro_ce, ZEND_STRL("errCode"), 0, ZEND_ACC_PUBLIC);
zend_declare_property_long(swoole_http2_client_coro_ce, ZEND_STRL("errMsg"), 0, ZEND_ACC_PUBLIC);
zend_declare_property_long(swoole_http2_client_coro_ce, ZEND_STRL("sock"), -1, ZEND_ACC_PUBLIC);
zend_declare_property_long(swoole_http2_client_coro_ce, ZEND_STRL("type"), 0, ZEND_ACC_PUBLIC);
zend_declare_property_null(swoole_http2_client_coro_ce, ZEND_STRL("setting"), ZEND_ACC_PUBLIC);
zend_declare_property_bool(swoole_http2_client_coro_ce, ZEND_STRL("connected"), 0, ZEND_ACC_PUBLIC);
zend_declare_property_null(swoole_http2_client_coro_ce, ZEND_STRL("host"), ZEND_ACC_PUBLIC);
zend_declare_property_long(swoole_http2_client_coro_ce, ZEND_STRL("port"), 0, ZEND_ACC_PUBLIC);
zend_declare_property_bool(swoole_http2_client_coro_ce, ZEND_STRL("ssl"), 0, ZEND_ACC_PUBLIC);
zend_declare_property_string(swoole_http2_request_ce, ZEND_STRL("path"), "/", ZEND_ACC_PUBLIC);
zend_declare_property_string(swoole_http2_request_ce, ZEND_STRL("method"), "GET", ZEND_ACC_PUBLIC);
zend_declare_property_null(swoole_http2_request_ce, ZEND_STRL("headers"), ZEND_ACC_PUBLIC);
zend_declare_property_null(swoole_http2_request_ce, ZEND_STRL("cookies"), ZEND_ACC_PUBLIC);
zend_declare_property_string(swoole_http2_request_ce, ZEND_STRL("data"), "", ZEND_ACC_PUBLIC);
zend_declare_property_bool(swoole_http2_request_ce, ZEND_STRL("pipeline"), 0, ZEND_ACC_PUBLIC);
zend_declare_property_long(swoole_http2_response_ce, ZEND_STRL("streamId"), 0, ZEND_ACC_PUBLIC);
zend_declare_property_long(swoole_http2_response_ce, ZEND_STRL("errCode"), 0, ZEND_ACC_PUBLIC);
zend_declare_property_long(swoole_http2_response_ce, ZEND_STRL("statusCode"), 0, ZEND_ACC_PUBLIC);
zend_declare_property_bool(swoole_http2_response_ce, ZEND_STRL("pipeline"), 0, ZEND_ACC_PUBLIC);
zend_declare_property_null(swoole_http2_response_ce, ZEND_STRL("headers"), ZEND_ACC_PUBLIC);
zend_declare_property_null(swoole_http2_response_ce, ZEND_STRL("set_cookie_headers"), ZEND_ACC_PUBLIC);
zend_declare_property_null(swoole_http2_response_ce, ZEND_STRL("cookies"), ZEND_ACC_PUBLIC);
zend_declare_property_null(swoole_http2_response_ce, ZEND_STRL("data"), ZEND_ACC_PUBLIC);
SW_REGISTER_LONG_CONSTANT("SWOOLE_HTTP2_TYPE_DATA", SW_HTTP2_TYPE_DATA);
SW_REGISTER_LONG_CONSTANT("SWOOLE_HTTP2_TYPE_HEADERS", SW_HTTP2_TYPE_HEADERS);
SW_REGISTER_LONG_CONSTANT("SWOOLE_HTTP2_TYPE_PRIORITY", SW_HTTP2_TYPE_PRIORITY);
SW_REGISTER_LONG_CONSTANT("SWOOLE_HTTP2_TYPE_RST_STREAM", SW_HTTP2_TYPE_RST_STREAM);
SW_REGISTER_LONG_CONSTANT("SWOOLE_HTTP2_TYPE_SETTINGS", SW_HTTP2_TYPE_SETTINGS);
SW_REGISTER_LONG_CONSTANT("SWOOLE_HTTP2_TYPE_PUSH_PROMISE", SW_HTTP2_TYPE_PUSH_PROMISE);
SW_REGISTER_LONG_CONSTANT("SWOOLE_HTTP2_TYPE_PING", SW_HTTP2_TYPE_PING);
SW_REGISTER_LONG_CONSTANT("SWOOLE_HTTP2_TYPE_GOAWAY", SW_HTTP2_TYPE_GOAWAY);
SW_REGISTER_LONG_CONSTANT("SWOOLE_HTTP2_TYPE_WINDOW_UPDATE", SW_HTTP2_TYPE_WINDOW_UPDATE);
SW_REGISTER_LONG_CONSTANT("SWOOLE_HTTP2_TYPE_CONTINUATION", SW_HTTP2_TYPE_CONTINUATION);
SW_REGISTER_LONG_CONSTANT("SWOOLE_HTTP2_ERROR_NO_ERROR", SW_HTTP2_ERROR_NO_ERROR);
SW_REGISTER_LONG_CONSTANT("SWOOLE_HTTP2_ERROR_PROTOCOL_ERROR", SW_HTTP2_ERROR_PROTOCOL_ERROR);
SW_REGISTER_LONG_CONSTANT("SWOOLE_HTTP2_ERROR_INTERNAL_ERROR", SW_HTTP2_ERROR_INTERNAL_ERROR);
SW_REGISTER_LONG_CONSTANT("SWOOLE_HTTP2_ERROR_FLOW_CONTROL_ERROR", SW_HTTP2_ERROR_FLOW_CONTROL_ERROR);
SW_REGISTER_LONG_CONSTANT("SWOOLE_HTTP2_ERROR_SETTINGS_TIMEOUT", SW_HTTP2_ERROR_SETTINGS_TIMEOUT);
SW_REGISTER_LONG_CONSTANT("SWOOLE_HTTP2_ERROR_STREAM_CLOSED", SW_HTTP2_ERROR_STREAM_CLOSED);
SW_REGISTER_LONG_CONSTANT("SWOOLE_HTTP2_ERROR_FRAME_SIZE_ERROR", SW_HTTP2_ERROR_FRAME_SIZE_ERROR);
SW_REGISTER_LONG_CONSTANT("SWOOLE_HTTP2_ERROR_REFUSED_STREAM", SW_HTTP2_ERROR_REFUSED_STREAM);
SW_REGISTER_LONG_CONSTANT("SWOOLE_HTTP2_ERROR_CANCEL", SW_HTTP2_ERROR_CANCEL);
SW_REGISTER_LONG_CONSTANT("SWOOLE_HTTP2_ERROR_COMPRESSION_ERROR", SW_HTTP2_ERROR_COMPRESSION_ERROR);
SW_REGISTER_LONG_CONSTANT("SWOOLE_HTTP2_ERROR_CONNECT_ERROR", SW_HTTP2_ERROR_CONNECT_ERROR);
SW_REGISTER_LONG_CONSTANT("SWOOLE_HTTP2_ERROR_ENHANCE_YOUR_CALM", SW_HTTP2_ERROR_ENHANCE_YOUR_CALM);
SW_REGISTER_LONG_CONSTANT("SWOOLE_HTTP2_ERROR_INADEQUATE_SECURITY", SW_HTTP2_ERROR_INADEQUATE_SECURITY);
}
bool http2_client::connect()
{
if (sw_unlikely(client != nullptr))
{
return false;
}
client = new Socket(SW_SOCK_TCP);
client->http2 = 1;
client->open_length_check = 1;
client->protocol.get_package_length = swHttp2_get_frame_length;
client->protocol.package_length_size = SW_HTTP2_FRAME_HEADER_SIZE;
client->protocol.package_max_length = SW_BUFFER_INPUT_SIZE;
apply_setting(sw_zend_read_property(swoole_http2_client_coro_ce, zobject, ZEND_STRL("setting"), 0));
#ifdef SW_USE_OPENSSL
client->open_ssl = ssl;
#endif
if (!client->connect(host, port))
{
io_error();
close();
return false;
}
stream_id = 1;
streams = swHashMap_new(8, http2_client_stream_free);
// [init]: we must set default value, server is not always send all the settings
swHttp2_init_settings(&local_settings);
swHttp2_init_settings(&remote_settings);
int ret = nghttp2_hd_inflate_new(&inflater);
if (ret != 0)
{
nghttp2_error(ret, "nghttp2_hd_inflate_new() failed");
close();
return false;
}
ret = nghttp2_hd_deflate_new(&deflater, local_settings.header_table_size);
if (ret != 0)
{
nghttp2_error(ret, "nghttp2_hd_deflate_new() failed");
close();
return false;
}
if (!send(ZEND_STRL(SW_HTTP2_PRI_STRING)))
{
close();
return false;
}
if (!send_setting())
{
close();
return false;
}
zend_update_property_bool(swoole_http2_client_coro_ce, zobject, ZEND_STRL("connected"), 1);
return true;
}
bool http2_client::close()
{
Socket *_client = client;
if (!_client)
{
return false;
}
zend_update_property_bool(swoole_http2_client_coro_ce, zobject, ZEND_STRL("connected"), 0);
if (!_client->has_bound())
{
if (streams)
{
swHashMap_free(streams);
streams = NULL;
}
if (inflater)
{
nghttp2_hd_inflate_del(inflater);
inflater = NULL;
}
if (deflater)
{
nghttp2_hd_deflate_del(deflater);
deflater = NULL;
}
client = nullptr;
}
if (_client->close())
{
delete _client;
}
return true;
}
enum swReturn_code http2_client::parse_frame(zval *return_value)
{
char *buf = client->get_read_buffer()->str;
uint8_t type = buf[3];
uint8_t flags = buf[4];
uint32_t stream_id = ntohl((*(int *) (buf + 5))) & 0x7fffffff;
ssize_t length = swHttp2_get_length(buf);
buf += SW_HTTP2_FRAME_HEADER_SIZE;
char frame[SW_HTTP2_FRAME_HEADER_SIZE + SW_HTTP2_FRAME_PING_PAYLOAD_SIZE];
if (stream_id > last_stream_id)
{
last_stream_id = stream_id;
}
uint16_t id = 0;
uint32_t value = 0;
switch (type)
{
case SW_HTTP2_TYPE_SETTINGS:
{
if (flags & SW_HTTP2_FLAG_ACK)
{
swHttp2FrameTraceLog(recv, "ACK");
return SW_CONTINUE;
}
while (length > 0)
{
id = ntohs(*(uint16_t *) (buf));
value = ntohl(*(uint32_t *) (buf + sizeof(uint16_t)));
swHttp2FrameTraceLog(recv, "id=%d, value=%d", id, value);
switch (id)
{
case SW_HTTP2_SETTING_HEADER_TABLE_SIZE:
if (value != remote_settings.header_table_size)
{
remote_settings.header_table_size = value;
int ret = nghttp2_hd_deflate_change_table_size(deflater, value);
if (ret != 0)
{
nghttp2_error(ret, "nghttp2_hd_deflate_change_table_size() failed");
return SW_ERROR;
}
}
swTraceLog(SW_TRACE_HTTP2, "setting: header_compression_table_max=%u", value);
break;
case SW_HTTP2_SETTINGS_MAX_CONCURRENT_STREAMS:
remote_settings.max_concurrent_streams = value;
swTraceLog(SW_TRACE_HTTP2, "setting: max_concurrent_streams=%u", value);
break;
case SW_HTTP2_SETTINGS_INIT_WINDOW_SIZE:
remote_settings.window_size = value;
swTraceLog(SW_TRACE_HTTP2, "setting: init_send_window=%u", value);
break;
case SW_HTTP2_SETTINGS_MAX_FRAME_SIZE:
remote_settings.max_frame_size = value;
swTraceLog(SW_TRACE_HTTP2, "setting: max_frame_size=%u", value);
break;
case SW_HTTP2_SETTINGS_MAX_HEADER_LIST_SIZE:
if (value != remote_settings.max_header_list_size)
{
remote_settings.max_header_list_size = value;
int ret = nghttp2_hd_inflate_change_table_size(inflater, value);
if (ret != 0)
{
nghttp2_error(ret, "nghttp2_hd_inflate_change_table_size() failed");
return SW_ERROR;
}
}
swTraceLog(SW_TRACE_HTTP2, "setting: max_header_list_size=%u", value);
break;
default:
// disable warning and ignore it because some websites are not following http2 protocol totally
// swWarn("unknown option[%d]: %d", id, value);
break;
}
buf += sizeof(id) + sizeof(value);
length -= sizeof(id) + sizeof(value);
}
swHttp2_set_frame_header(frame, SW_HTTP2_TYPE_SETTINGS, 0, SW_HTTP2_FLAG_ACK, stream_id);
if (!send(frame, SW_HTTP2_FRAME_HEADER_SIZE))
{
return SW_ERROR;
}
return SW_CONTINUE;
}
case SW_HTTP2_TYPE_WINDOW_UPDATE:
{
value = ntohl(*(uint32_t *) buf);
swHttp2FrameTraceLog(recv, "window_size_increment=%d", value);
if (stream_id == 0)
{
remote_settings.window_size += value;
}
else
{
http2_client_stream *stream = get_stream(stream_id);
if (stream)
{
stream->remote_window_size += value;
}
}
return SW_CONTINUE;
}
case SW_HTTP2_TYPE_PING:
{
swHttp2FrameTraceLog(recv, "ping");
if (!(flags & SW_HTTP2_FLAG_ACK))
{
swHttp2_set_frame_header(frame, SW_HTTP2_TYPE_PING, SW_HTTP2_FRAME_PING_PAYLOAD_SIZE, SW_HTTP2_FLAG_ACK, stream_id);
memcpy(frame + SW_HTTP2_FRAME_HEADER_SIZE, buf + SW_HTTP2_FRAME_HEADER_SIZE, SW_HTTP2_FRAME_PING_PAYLOAD_SIZE);
if (!send(frame, SW_HTTP2_FRAME_HEADER_SIZE + SW_HTTP2_FRAME_PING_PAYLOAD_SIZE))
{
return SW_ERROR;
}
}
return SW_CONTINUE;
}
case SW_HTTP2_TYPE_GOAWAY:
{
uint32_t server_last_stream_id = ntohl(*(uint32_t *) (buf));
buf += 4;
value = ntohl(*(uint32_t *) (buf));
buf += 4;
swHttp2FrameTraceLog(recv, "last_stream_id=%d, error_code=%d, opaque_data=[%.*s]", server_last_stream_id, value, (int) (length - SW_HTTP2_GOAWAY_SIZE), buf);
// update goaway error code and error msg
zend_update_property_long(swoole_http2_client_coro_ce, zobject, ZEND_STRL("errCode"), value);
zend_update_property_stringl(swoole_http2_client_coro_ce, zobject, ZEND_STRL("errMsg"), buf, length - SW_HTTP2_GOAWAY_SIZE);
zend_update_property_long(swoole_http2_client_coro_ce, zobject, ZEND_STRL("serverLastStreamId"), server_last_stream_id);
close();
return SW_CONTINUE;
}
case SW_HTTP2_TYPE_RST_STREAM:
{
value = ntohl(*(uint32_t *) (buf));
swHttp2FrameTraceLog(recv, "error_code=%d", value);
// delete and free quietly
swHashMap_del_int(streams, stream_id);
return SW_CONTINUE;
}
/**
* TODO not support push_promise
*/
case SW_HTTP2_TYPE_PUSH_PROMISE:
{
#ifdef SW_DEBUG
uint32_t promise_stream_id = ntohl(*(uint32_t *) (buf)) & 0x7fffffff;
swHttp2FrameTraceLog(recv, "promise_stream_id=%d", promise_stream_id);
#endif
// auto promise_stream = create_stream(promise_stream_id, false);
// RETVAL_ZVAL(promise_stream->response_object, 0, 0);
// return SW_READY;
return SW_CONTINUE;
}
default:
{
swHttp2FrameTraceLog(recv, "");
}
}
http2_client_stream *stream = get_stream(stream_id);
// The stream is not found or has closed
if (stream == NULL)
{
swNotice("http2 stream#%d belongs to an unknown type or it never registered", stream_id);
return SW_CONTINUE;
}
if (type == SW_HTTP2_TYPE_HEADERS)
{
parse_header(stream, flags, buf, length);
}
else if (type == SW_HTTP2_TYPE_DATA)
{
if (length > 0)
{
if (!stream->buffer)
{
stream->buffer = swString_new(SW_HTTP2_DATA_BUFFER_SIZE);
}
#ifdef SW_HAVE_ZLIB
if (stream->gzip)
{
if (php_swoole_zlib_uncompress(&stream->gzip_stream, stream->gzip_buffer, buf, length) == SW_ERR)
{
swWarn("uncompress failed");
return SW_ERROR;
}
swString_append_ptr(stream->buffer, stream->gzip_buffer->str, stream->gzip_buffer->length);
}
else
#endif
{
swString_append_ptr(stream->buffer, buf, length);
}
// now we control the connection flow only (not stream)
// our window size is unlimited, so we don't worry about subtraction overflow
local_settings.window_size -= length;
stream->local_window_size -= length;
if (local_settings.window_size < (SW_HTTP2_MAX_WINDOW_SIZE / 4))
{
if (!send_window_update(0, SW_HTTP2_MAX_WINDOW_SIZE - local_settings.window_size))
{
return SW_ERROR;
}
local_settings.window_size = SW_HTTP2_MAX_WINDOW_SIZE;
}
if (stream->local_window_size < (SW_HTTP2_MAX_WINDOW_SIZE / 4))
{
if (!send_window_update(stream_id, SW_HTTP2_MAX_WINDOW_SIZE - stream->local_window_size))
{
return SW_ERROR;
}
stream->local_window_size = SW_HTTP2_MAX_WINDOW_SIZE;
}
}
}
uint8_t stream_type = stream->type;
if (
(type == SW_HTTP2_TYPE_DATA && stream_type == SW_HTTP2_STREAM_PIPELINE) || // pipeline data frame
(stream_type == SW_HTTP2_STREAM_NORMAL && (flags & SW_HTTP2_FLAG_END_STREAM)) || // normal end frame
type == SW_HTTP2_TYPE_RST_STREAM || type == SW_HTTP2_TYPE_GOAWAY // rst or goaway frame
)
{
zval zresponse = *stream->zresponse;
if (type == SW_HTTP2_TYPE_RST_STREAM)
{
zend_update_property_long(swoole_http2_response_ce, &zresponse, ZEND_STRL("statusCode"), -3);
zend_update_property_long(swoole_http2_response_ce, &zresponse, ZEND_STRL("errCode"), value);
}
else if (stream_type == SW_HTTP2_STREAM_PIPELINE && !(flags & SW_HTTP2_FLAG_END_STREAM))
{
zend_update_property_bool(swoole_http2_response_ce, &zresponse, ZEND_STRL("pipeline"), 1);
}
if (stream->buffer)
{
zend_update_property_stringl(swoole_http2_response_ce, stream->zresponse, ZEND_STRL("data"), stream->buffer->str, stream->buffer->length);
swString_clear(stream->buffer);
}
Z_ADDREF_P(&zresponse);
swHashMap_del_int(streams, stream_id);
RETVAL_ZVAL(&zresponse, 0, 0);
return SW_READY;
}
return SW_CONTINUE;
}
#ifdef SW_HAVE_ZLIB
int php_swoole_zlib_uncompress(z_stream *stream, swString *buffer, char *body, int length)
{
int status = 0;
stream->avail_in = length;
stream->next_in = (Bytef *) body;
stream->total_in = 0;
stream->total_out = 0;
#if 0
printf(SW_START_LINE"\nstatus=%d\tavail_in=%ld,\tavail_out=%ld,\ttotal_in=%ld,\ttotal_out=%ld\n", status,
stream->avail_in, stream->avail_out, stream->total_in, stream->total_out);
#endif
swString_clear(buffer);
while (1)
{
stream->avail_out = buffer->size - buffer->length;
stream->next_out = (Bytef *) (buffer->str + buffer->length);
status = inflate(stream, Z_SYNC_FLUSH);
#if 0
printf("status=%d\tavail_in=%ld,\tavail_out=%ld,\ttotal_in=%ld,\ttotal_out=%ld,\tlength=%ld\n", status,
stream->avail_in, stream->avail_out, stream->total_in, stream->total_out, buffer->length);
#endif
if (status >= 0)
{
buffer->length = stream->total_out;
}
if (status == Z_STREAM_END)
{
return SW_OK;
}
else if (status == Z_OK)
{
if (buffer->length + 4096 >= buffer->size)
{
if (swString_extend(buffer, buffer->size * 2) < 0)
{
return SW_ERR;
}
}
if (stream->avail_in == 0)
{
return SW_OK;
}
}
else
{
return SW_ERR;
}
}
return SW_ERR;
}
#endif
static PHP_METHOD(swoole_http2_client_coro, __construct)
{
char *host;
size_t host_len;
zend_long port = 80;
zend_bool ssl = SW_FALSE;
ZEND_PARSE_PARAMETERS_START_EX(ZEND_PARSE_PARAMS_THROW, 1, 3)
Z_PARAM_STRING(host, host_len)
Z_PARAM_OPTIONAL
Z_PARAM_LONG(port)
Z_PARAM_BOOL(ssl)
ZEND_PARSE_PARAMETERS_END_EX(RETURN_FALSE);
if (host_len == 0)
{
zend_throw_exception(swoole_http2_client_coro_exception_ce, "host is empty", SW_ERROR_INVALID_PARAMS);
RETURN_FALSE;
}
http2_client *h2c = new http2_client(host, host_len, port, ssl, ZEND_THIS);
if (ssl)
{
#ifndef SW_USE_OPENSSL
zend_throw_exception_ex(
swoole_http2_client_coro_exception_ce,
EPROTONOSUPPORT, "you must configure with `enable-openssl` to support ssl connection"
);
delete h2c;
RETURN_FALSE;
#endif
}
swoole_set_object(ZEND_THIS, h2c);
zend_update_property_stringl(swoole_http2_client_coro_ce, ZEND_THIS, ZEND_STRL("host"), host, host_len);
zend_update_property_long(swoole_http2_client_coro_ce, ZEND_THIS, ZEND_STRL("port"), port);
zend_update_property_bool(swoole_http2_client_coro_ce, ZEND_THIS, ZEND_STRL("ssl"), ssl);
}
static PHP_METHOD(swoole_http2_client_coro, set)
{
http2_client *h2c = (http2_client *) swoole_get_object(ZEND_THIS);
zval *zset;
ZEND_PARSE_PARAMETERS_START(1, 1)
Z_PARAM_ARRAY(zset)
ZEND_PARSE_PARAMETERS_END_EX(RETURN_FALSE);
zval *zsetting = sw_zend_read_and_convert_property_array(swoole_http2_client_coro_ce, ZEND_THIS, ZEND_STRL("setting"), 0);
php_array_merge(Z_ARRVAL_P(zsetting), Z_ARRVAL_P(zset));
h2c->apply_setting(zset);
RETURN_TRUE;
}
bool http2_client::send_window_update(int stream_id, uint32_t size)
{
char frame[SW_HTTP2_FRAME_HEADER_SIZE + SW_HTTP2_WINDOW_UPDATE_SIZE];
swTraceLog(SW_TRACE_HTTP2, "[" SW_ECHO_YELLOW "] stream_id=%d, size=%d", "WINDOW_UPDATE", stream_id, size);
*(uint32_t*) ((char *)frame + SW_HTTP2_FRAME_HEADER_SIZE) = htonl(size);
swHttp2_set_frame_header(frame, SW_HTTP2_TYPE_WINDOW_UPDATE, SW_HTTP2_WINDOW_UPDATE_SIZE, 0, stream_id);
return send(frame, SW_HTTP2_FRAME_HEADER_SIZE + SW_HTTP2_WINDOW_UPDATE_SIZE);
}
bool http2_client::send_setting()
{
swHttp2_settings *settings = &local_settings;
uint16_t id = 0;
uint32_t value = 0;
char frame[SW_HTTP2_FRAME_HEADER_SIZE + 18];
memset(frame, 0, sizeof(frame));
swHttp2_set_frame_header(frame, SW_HTTP2_TYPE_SETTINGS, 18, 0, 0);
char *p = frame + SW_HTTP2_FRAME_HEADER_SIZE;
/**
* MAX_CONCURRENT_STREAMS
*/
id = htons(SW_HTTP2_SETTINGS_MAX_CONCURRENT_STREAMS);
memcpy(p, &id, sizeof(id));
p += 2;
value = htonl(settings->max_concurrent_streams);
memcpy(p, &value, sizeof(value));
p += 4;
/**
* MAX_FRAME_SIZE
*/
id = htons(SW_HTTP2_SETTINGS_MAX_FRAME_SIZE);
memcpy(p, &id, sizeof(id));
p += 2;
value = htonl(settings->max_frame_size);
memcpy(p, &value, sizeof(value));
p += 4;
/**
* INIT_WINDOW_SIZE
*/
id = htons(SW_HTTP2_SETTINGS_INIT_WINDOW_SIZE);
memcpy(p, &id, sizeof(id));
p += 2;
value = htonl(settings->window_size);
memcpy(p, &value, sizeof(value));
p += 4;
swTraceLog(SW_TRACE_HTTP2, "[" SW_ECHO_GREEN "]\t[length=%d]", swHttp2_get_type(SW_HTTP2_TYPE_SETTINGS), 18);
return send(frame, SW_HTTP2_FRAME_HEADER_SIZE + 18);
}
int http2_client::parse_header(http2_client_stream *stream, int flags, char *in, size_t inlen)
{
zval *zresponse = stream->zresponse;
if (flags & SW_HTTP2_FLAG_PRIORITY)
{
//int stream_deps = ntohl(*(int *) (in));
//uint8_t weight = in[4];
in += 5;
inlen -= 5;
}
zval *zheaders = sw_zend_read_and_convert_property_array(swoole_http2_response_ce, zresponse, ZEND_STRL("headers"), 0);
zval *zcookies = sw_zend_read_and_convert_property_array(swoole_http2_response_ce, zresponse, ZEND_STRL("cookies"), 0);
zval *zset_cookie_headers = sw_zend_read_and_convert_property_array(swoole_http2_response_ce, zresponse, ZEND_STRL("set_cookie_headers"), 0);
ssize_t rv;
while (true)
{
nghttp2_nv nv;
int inflate_flags = 0;
size_t proclen;
rv = nghttp2_hd_inflate_hd(inflater, &nv, &inflate_flags, (uchar *) in, inlen, 1);
if (rv < 0)
{
nghttp2_error(rv, "nghttp2_hd_inflate_hd failed");
return SW_ERR;
}
proclen = (size_t) rv;
in += proclen;
inlen -= proclen;
//swTraceLog(SW_TRACE_HTTP2, "Header: %s[%d]: %s[%d]", nv.name, nv.namelen, nv.value, nv.valuelen);
if (inflate_flags & NGHTTP2_HD_INFLATE_EMIT)
{
if (nv.name[0] == ':')
{
if (strncasecmp((char *) nv.name + 1, "status", nv.namelen -1) == 0)
{
zend_update_property_long(swoole_http2_response_ce, zresponse, ZEND_STRL("statusCode"), atoi((char *) nv.value));
continue;
}
}
#ifdef SW_HAVE_ZLIB
else if (strncasecmp((char *) nv.name, "content-encoding", nv.namelen) == 0 && strncasecmp((char *) nv.value, "gzip", nv.valuelen) == 0)
{
/**
* init zlib stream
*/
stream->gzip = 1;
memset(&stream->gzip_stream, 0, sizeof(stream->gzip_stream));
stream->gzip_buffer = swString_new(8192);
stream->gzip_stream.zalloc = php_zlib_alloc;
stream->gzip_stream.zfree = php_zlib_free;
/**
* zlib decode
*/
if (Z_OK != inflateInit2(&stream->gzip_stream, MAX_WBITS + 16))
{
swWarn("inflateInit2() failed");
return SW_ERR;
}
}
#endif
else if (strncasecmp((char *) nv.name, "set-cookie", nv.namelen) == 0)
{
if (SW_OK != http_parse_set_cookies((char *) nv.value, nv.valuelen, zcookies, zset_cookie_headers))
{
return SW_ERR;
}
}
add_assoc_stringl_ex(zheaders, (char *) nv.name, nv.namelen, (char *) nv.value, nv.valuelen);
}
if (inflate_flags & NGHTTP2_HD_INFLATE_FINAL)
{
nghttp2_hd_inflate_end_headers(inflater);
break;
}
if ((inflate_flags & NGHTTP2_HD_INFLATE_EMIT) == 0 && inlen == 0)
{
break;
}
}
return SW_OK;
}
static ssize_t http2_client_build_header(zval *zobject, zval *zrequest, char *buffer)
{
http2_client *h2c = (http2_client *) swoole_get_object(zobject);
zval *zmethod = sw_zend_read_property(swoole_http2_request_ce, zrequest, ZEND_STRL("method"), 0);
zval *zpath = sw_zend_read_property(swoole_http2_request_ce, zrequest, ZEND_STRL("path"), 0);
zval *zheaders = sw_zend_read_property(swoole_http2_request_ce, zrequest, ZEND_STRL("headers"), 0);
zval *zcookies = sw_zend_read_property(swoole_http2_request_ce, zrequest, ZEND_STRL("cookies"), 0);
http2::headers headers(8 + php_swoole_array_length_safe(zheaders) + php_swoole_array_length_safe(zcookies));
bool find_host = 0;
if (Z_TYPE_P(zmethod) != IS_STRING || Z_STRLEN_P(zmethod) == 0)
{
headers.add(ZEND_STRL(":method"), ZEND_STRL("GET"));
}
else
{
headers.add(ZEND_STRL(":method"), Z_STRVAL_P(zmethod), Z_STRLEN_P(zmethod));
}
if (Z_TYPE_P(zpath) != IS_STRING || Z_STRLEN_P(zpath) == 0)
{
headers.add(ZEND_STRL(":path"), "/", 1);
}
else
{
headers.add(ZEND_STRL(":path"), Z_STRVAL_P(zpath), Z_STRLEN_P(zpath));
}
if (h2c->ssl)
{
headers.add(ZEND_STRL(":scheme"), ZEND_STRL("https"));
}
else
{
headers.add(ZEND_STRL(":scheme"), ZEND_STRL("http"));
}
// Host
headers.reserve_one();
if (ZVAL_IS_ARRAY(zheaders))
{
zend_string *key;
zval *zvalue;
ZEND_HASH_FOREACH_STR_KEY_VAL(Z_ARRVAL_P(zheaders), key, zvalue)
{
if (UNEXPECTED(!key || *ZSTR_VAL(key) == ':' || ZVAL_IS_NULL(zvalue)))
{
continue;
}
zend::string str_value(zvalue);
if (strncasecmp("host", ZSTR_VAL(key), ZSTR_LEN(key)) == 0)
{
headers.add(HTTP2_CLIENT_HOST_HEADER_INDEX, ZEND_STRL(":authority"), str_value.val(), str_value.len());
find_host = true;
}
else
{
headers.add(ZSTR_VAL(key), ZSTR_LEN(key), str_value.val(), str_value.len());
}
}
ZEND_HASH_FOREACH_END();
}
if (!find_host)
{