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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 "php_swoole_http.h"
#include "swoole_string.h"
#include "swoole_protocol.h"
#include "swoole_socket.h"
#include "swoole_util.h"
BEGIN_EXTERN_C()
#include "stubs/php_swoole_http2_client_coro_arginfo.h"
END_EXTERN_C()
#include "swoole_http2.h"
#define HTTP2_CLIENT_HOST_HEADER_INDEX 3
using namespace swoole;
using swoole::coroutine::Socket;
using swoole::http2::get_default_setting;
namespace Http2 = swoole::http2;
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;
namespace swoole {
namespace coroutine {
namespace http2 {
struct Stream {
uint32_t stream_id;
uint8_t gzip;
uint8_t flags;
String *buffer;
#ifdef SW_HAVE_ZLIB
z_stream gzip_stream;
String *gzip_buffer;
#endif
zval zresponse;
// flow control
uint32_t remote_window_size;
uint32_t local_window_size;
};
class Client {
public:
std::string host;
int port;
bool open_ssl;
double timeout = network::Socket::default_read_timeout;
uint32_t stream_id = 0; // the next send stream id
uint32_t last_stream_id = 0; // the last received stream id
Http2::Settings local_settings = {};
Http2::Settings remote_settings = {};
// flow control
uint32_t remote_window_size = 0;
uint32_t local_window_size = 0;
std::unordered_map<uint32_t, Stream *> streams;
std::queue<zend_string *> send_queue;
/* safety zval */
zval _zobject;
zval *zobject;
Socket *socket_ = nullptr;
zval zsocket;
Client(const char *_host, size_t _host_len, int _port, bool _ssl, zval *__zobject) {
host = std::string(_host, _host_len);
port = _port;
open_ssl = _ssl;
_zobject = *__zobject;
zobject = &_zobject;
Http2::init_settings(&local_settings);
local_window_size = local_settings.init_window_size;
}
inline Stream *get_stream(uint32_t stream_id) {
auto i = streams.find(stream_id);
if (i == streams.end()) {
return nullptr;
} else {
return i->second;
}
}
ssize_t build_header(zval *zobject, zval *zrequest, char *buffer);
inline void update_error_properties(int code, const char *msg) {
php_swoole_socket_set_error_properties(zobject, code, msg);
}
inline void io_error() {
update_error_properties(socket_->errCode, socket_->errMsg);
}
inline void nghttp2_error(int code, const char *msg) {
update_error_properties(code, std_string::format("%s with error: %s", msg, nghttp2_strerror(code)).c_str());
}
inline bool is_available() {
if (sw_unlikely(!socket_ || !socket_->is_connected())) {
php_swoole_socket_set_error_properties(zobject, SW_ERROR_CLIENT_NO_CONNECTION);
return false;
}
return true;
}
inline void apply_setting(zval *zset) {
if (socket_ && ZVAL_IS_ARRAY(zset)) {
php_swoole_socket_set(socket_, zset);
}
}
inline bool recv_packet(double timeout) {
if (sw_unlikely(socket_->recv_packet(timeout) <= 0)) {
io_error();
return false;
}
return true;
}
bool connect();
Stream *create_stream(uint32_t stream_id, uint8_t flags);
void destroy_stream(Stream *stream);
inline bool delete_stream(uint32_t stream_id) {
auto i = streams.find(stream_id);
if (i == streams.end()) {
return false;
}
destroy_stream(i->second);
streams.erase(i);
return true;
}
bool send_window_update(int stream_id, uint32_t size);
bool send_ping_frame();
bool send_data(uint32_t stream_id, const char *p, size_t len, int flag);
uint32_t send_request(zval *zrequest);
bool write_data(uint32_t stream_id, zval *zdata, bool end);
bool send_goaway_frame(zend_long error_code, const char *debug_data, size_t debug_data_len);
ReturnCode parse_frame(zval *return_value, bool pipeline_read = false);
bool close();
void socket_dtor();
~Client() {
close();
}
private:
nghttp2_hd_inflater *inflater = nullptr;
nghttp2_hd_deflater *deflater = nullptr;
bool send_setting();
int parse_header(Stream *stream, int flags, char *in, size_t inlen);
void clean_send_queue() {
while (send_queue.size() > 0) {
zend_string *frame = send_queue.front();
send_queue.pop();
zend_string_release(frame);
}
}
inline bool send(const char *buf, size_t len) {
if (socket_->has_bound(SW_EVENT_WRITE)) {
if (send_queue.size() > remote_settings.max_concurrent_streams) {
socket_->errCode = SW_ERROR_QUEUE_FULL;
socket_->errMsg = "the send queue is full, try again later";
io_error();
return false;
}
send_queue.push(zend_string_init(buf, len, 0));
return true;
}
if (sw_unlikely(socket_->send_all(buf, len) != (ssize_t) len)) {
io_error();
return false;
}
while (send_queue.size() > 0) {
zend_string *frame = send_queue.front();
if (sw_unlikely(socket_->send_all(frame->val, frame->len) != (ssize_t) frame->len)) {
io_error();
zend_throw_exception(swoole_http2_client_coro_exception_ce,
"failed to send control frame",
SW_ERROR_HTTP2_SEND_CONTROL_FRAME_FAILED);
return false;
}
send_queue.pop();
zend_string_release(frame);
}
return true;
}
};
} // namespace http2
} // namespace coroutine
} // namespace swoole
using swoole::coroutine::http2::Client;
using swoole::coroutine::http2::Stream;
using swoole::http2::HeaderSet;
struct Http2ClientObject {
Client *client;
zend_object std;
};
static sw_inline Http2ClientObject *http2_client_coro_fetch_object(zend_object *obj) {
return (Http2ClientObject *) ((char *) obj - swoole_http2_client_coro_handlers.offset);
}
static sw_inline Client *http2_client_coro_get_client(zval *zobject) {
return http2_client_coro_fetch_object(Z_OBJ_P(zobject))->client;
}
static void http2_client_coro_free_object(zend_object *object) {
Http2ClientObject *h2o = http2_client_coro_fetch_object(object);
if (h2o->client) {
delete h2o->client;
h2o->client = nullptr;
}
zend_object_std_dtor(&h2o->std);
}
static zend_object *http2_client_coro_create_object(zend_class_entry *ce) {
Http2ClientObject *request = (Http2ClientObject *) zend_object_alloc(sizeof(Http2ClientObject), ce);
zend_object_std_init(&request->std, ce);
object_properties_init(&request->std, ce);
request->std.handlers = &swoole_http2_client_coro_handlers;
return &request->std;
}
SW_EXTERN_C_BEGIN
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, read);
static PHP_METHOD(swoole_http2_client_coro, ping);
static PHP_METHOD(swoole_http2_client_coro, goaway);
static PHP_METHOD(swoole_http2_client_coro, close);
SW_EXTERN_C_END
// clang-format off
static const zend_function_entry swoole_http2_client_methods[] =
{
PHP_ME(swoole_http2_client_coro, __construct, arginfo_class_Swoole_Coroutine_Http2_Client___construct, ZEND_ACC_PUBLIC)
PHP_ME(swoole_http2_client_coro, __destruct, arginfo_class_Swoole_Coroutine_Http2_Client___destruct, ZEND_ACC_PUBLIC)
PHP_ME(swoole_http2_client_coro, set, arginfo_class_Swoole_Coroutine_Http2_Client_set, ZEND_ACC_PUBLIC)
PHP_ME(swoole_http2_client_coro, connect, arginfo_class_Swoole_Coroutine_Http2_Client_connect, ZEND_ACC_PUBLIC)
PHP_ME(swoole_http2_client_coro, stats, arginfo_class_Swoole_Coroutine_Http2_Client_stats, ZEND_ACC_PUBLIC)
PHP_ME(swoole_http2_client_coro, isStreamExist, arginfo_class_Swoole_Coroutine_Http2_Client_isStreamExist, ZEND_ACC_PUBLIC)
PHP_ME(swoole_http2_client_coro, send, arginfo_class_Swoole_Coroutine_Http2_Client_send, ZEND_ACC_PUBLIC)
PHP_ME(swoole_http2_client_coro, write, arginfo_class_Swoole_Coroutine_Http2_Client_write, ZEND_ACC_PUBLIC)
PHP_ME(swoole_http2_client_coro, recv, arginfo_class_Swoole_Coroutine_Http2_Client_recv, ZEND_ACC_PUBLIC)
PHP_ME(swoole_http2_client_coro, read, arginfo_class_Swoole_Coroutine_Http2_Client_read, ZEND_ACC_PUBLIC)
PHP_ME(swoole_http2_client_coro, goaway, arginfo_class_Swoole_Coroutine_Http2_Client_goaway, ZEND_ACC_PUBLIC)
PHP_ME(swoole_http2_client_coro, ping, arginfo_class_Swoole_Coroutine_Http2_Client_ping, ZEND_ACC_PUBLIC)
PHP_ME(swoole_http2_client_coro, close, arginfo_class_Swoole_Coroutine_Http2_Client_close, ZEND_ACC_PUBLIC)
PHP_FE_END
};
// clang-format on
void php_swoole_http2_client_coro_minit(int module_number) {
SW_INIT_CLASS_ENTRY(
swoole_http2_client_coro, "Swoole\\Coroutine\\Http2\\Client", "Co\\Http2\\Client", swoole_http2_client_methods);
SW_SET_CLASS_NOT_SERIALIZABLE(swoole_http2_client_coro);
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_CUSTOM_OBJECT(swoole_http2_client_coro,
http2_client_coro_create_object,
http2_client_coro_free_object,
Http2ClientObject,
std);
SW_INIT_CLASS_ENTRY_EX(swoole_http2_client_coro_exception,
"Swoole\\Coroutine\\Http2\\Client\\Exception",
"Co\\Http2\\Client\\Exception",
nullptr,
swoole_exception);
SW_INIT_CLASS_ENTRY(swoole_http2_request, "Swoole\\Http2\\Request", nullptr, nullptr);
SW_SET_CLASS_NOT_SERIALIZABLE(swoole_http2_request);
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", nullptr, nullptr);
SW_SET_CLASS_NOT_SERIALIZABLE(swoole_http2_response);
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_string(swoole_http2_client_coro_ce, ZEND_STRL("errMsg"), "", 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_null(swoole_http2_client_coro_ce, ZEND_STRL("socket"), 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_long(swoole_http2_client_coro_ce, ZEND_STRL("serverLastStreamId"), 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_bool(swoole_http2_request_ce, ZEND_STRL("usePipelineRead"), 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);
SW_REGISTER_LONG_CONSTANT("SWOOLE_HTTP2_ERROR_HTTP_1_1_REQUIRED", SW_HTTP2_ERROR_HTTP_1_1_REQUIRED);
}
void Client::socket_dtor() {
socket_ = nullptr;
clean_send_queue();
auto i = streams.begin();
while (i != streams.end()) {
destroy_stream(i->second);
streams.erase(i++);
}
if (inflater) {
nghttp2_hd_inflate_del(inflater);
inflater = nullptr;
}
if (deflater) {
nghttp2_hd_deflate_del(deflater);
deflater = nullptr;
}
zend_update_property_bool(swoole_http2_client_coro_ce, SW_Z8_OBJ_P(zobject), ZEND_STRL("connected"), 0);
zend_update_property_null(swoole_http2_client_coro_ce, SW_Z8_OBJ_P(zobject), ZEND_STRL("socket"));
zval_ptr_dtor(&zsocket);
ZVAL_NULL(&zsocket);
}
bool Client::connect() {
if (sw_unlikely(socket_ != nullptr)) {
update_error_properties(EISCONN, strerror(EISCONN));
return false;
}
auto object = php_swoole_create_socket(network::Socket::convert_to_type(host));
if (UNEXPECTED(!object)) {
php_swoole_socket_set_error_properties(zobject, errno, strerror(errno));
return false;
}
ZVAL_OBJ(&zsocket, object);
socket_ = php_swoole_get_socket(&zsocket);
socket_->set_dtor([this](Socket *_socket) { socket_dtor(); });
socket_->set_zero_copy(true);
#ifdef SW_USE_OPENSSL
if (open_ssl && !socket_->enable_ssl_encrypt()) {
io_error();
close();
return false;
}
#endif
socket_->http2 = 1;
socket_->open_length_check = 1;
socket_->protocol.package_length_size = SW_HTTP2_FRAME_HEADER_SIZE;
socket_->protocol.package_length_offset = 0;
socket_->protocol.package_body_offset = 0;
socket_->protocol.get_package_length = Http2::get_frame_length;
apply_setting(
sw_zend_read_property_ex(swoole_http2_client_coro_ce, zobject, SW_ZSTR_KNOWN(SW_ZEND_STR_SETTING), 0));
if (!socket_->connect(host, port)) {
io_error();
close();
return false;
}
stream_id = 1;
// [init]: we must set default value, server is not always send all the settings
Http2::init_settings(&remote_settings);
remote_window_size = remote_settings.init_window_size;
int ret = nghttp2_hd_inflate_new2(&inflater, php_nghttp2_mem());
if (ret != 0) {
nghttp2_error(ret, "nghttp2_hd_inflate_new2() failed");
close();
return false;
}
ret = nghttp2_hd_deflate_new2(&deflater, local_settings.header_table_size, php_nghttp2_mem());
if (ret != 0) {
nghttp2_error(ret, "nghttp2_hd_deflate_new2() failed");
close();
return false;
}
if (!send(ZEND_STRL(SW_HTTP2_PRI_STRING))) {
close();
return false;
}
if (!send_setting()) {
close();
return false;
}
zend_update_property(Z_OBJCE_P(zobject), SW_Z8_OBJ_P(zobject), ZEND_STRL("socket"), &zsocket);
zend_update_property_bool(swoole_http2_client_coro_ce, SW_Z8_OBJ_P(zobject), ZEND_STRL("connected"), 1);
return true;
}
bool Client::close() {
/*
* The socket_ pointer MUST be staged,
* when client close the member variable may be set to nullptr in socket dtor
*/
Socket *_socket = socket_;
if (_socket == nullptr) {
update_error_properties(EBADF, strerror(EBADF));
return false;
}
zend_update_property_bool(Z_OBJCE_P(zobject), SW_Z8_OBJ_P(zobject), ZEND_STRL("connected"), 0);
if (!_socket->close()) {
update_error_properties(_socket->errCode, _socket->errMsg);
return false;
}
return true;
}
ReturnCode Client::parse_frame(zval *return_value, bool pipeline_read) {
char *buf = socket_->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 = Http2::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) {
swoole_http2_frame_trace_log("ACK");
return SW_CONTINUE;
}
while (length > 0) {
id = ntohs(*(uint16_t *) (buf));
value = ntohl(*(uint32_t *) (buf + sizeof(uint16_t)));
swoole_http2_frame_trace_log("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;
}
}
swoole_trace_log(SW_TRACE_HTTP2, "setting: header_compression_table_max=%u", value);
break;
case SW_HTTP2_SETTINGS_MAX_CONCURRENT_STREAMS:
remote_settings.max_concurrent_streams = value;
swoole_trace_log(SW_TRACE_HTTP2, "setting: max_concurrent_streams=%u", value);
break;
case SW_HTTP2_SETTINGS_INIT_WINDOW_SIZE:
remote_window_size = remote_settings.init_window_size = value;
swoole_trace_log(SW_TRACE_HTTP2, "setting: init_send_window=%u", value);
break;
case SW_HTTP2_SETTINGS_MAX_FRAME_SIZE:
remote_settings.max_frame_size = value;
swoole_trace_log(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;
#if 0
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;
}
#endif
}
swoole_trace_log(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
// swoole_warning("unknown option[%d]: %d", id, value);
break;
}
buf += sizeof(id) + sizeof(value);
length -= sizeof(id) + sizeof(value);
}
Http2::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);
swoole_trace_log(
SW_TRACE_HTTP2, "[" SW_ECHO_YELLOW "] stream_id=%d, size=%d", "WINDOW_UPDATE", stream_id, value);
if (stream_id == 0) {
remote_window_size += value;
} else {
Stream *stream = get_stream(stream_id);
if (stream) {
stream->remote_window_size += value;
}
}
return SW_CONTINUE;
}
case SW_HTTP2_TYPE_PING: {
swoole_http2_frame_trace_log("ping");
if (!(flags & SW_HTTP2_FLAG_ACK)) {
Http2::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;
swoole_http2_frame_trace_log("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, SW_Z8_OBJ_P(zobject), ZEND_STRL("errCode"), value);
zend_update_property_stringl(
swoole_http2_client_coro_ce, SW_Z8_OBJ_P(zobject), ZEND_STRL("errMsg"), buf, length - SW_HTTP2_GOAWAY_SIZE);
zend_update_property_long(
swoole_http2_client_coro_ce, SW_Z8_OBJ_P(zobject), ZEND_STRL("serverLastStreamId"), server_last_stream_id);
close();
return SW_CLOSE;
}
case SW_HTTP2_TYPE_RST_STREAM: {
value = ntohl(*(uint32_t *) (buf));
swoole_http2_frame_trace_log("error_code=%d", value);
// delete and free quietly
delete_stream(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;
swoole_http2_frame_trace_log("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: {
swoole_http2_frame_trace_log("");
}
}
Stream *stream = get_stream(stream_id);
// The stream is not found or has closed
if (stream == nullptr) {
swoole_notice("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 (!(flags & SW_HTTP2_FLAG_END_STREAM)) {
stream->flags |= SW_HTTP2_STREAM_PIPELINE_RESPONSE;
}
if (length > 0) {
if (!stream->buffer) {
stream->buffer = make_string(SW_HTTP2_DATA_BUFFER_SIZE);
}
#ifdef SW_HAVE_ZLIB
if (stream->gzip) {
if (php_swoole_zlib_decompress(&stream->gzip_stream, stream->gzip_buffer, buf, length) == SW_ERR) {
swoole_warning("decompress failed");
return SW_ERROR;
}
stream->buffer->append(stream->gzip_buffer->str, stream->gzip_buffer->length);
} else
#endif
{
stream->buffer->append(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_window_size -= length;
stream->local_window_size -= length;
if (local_window_size < (local_settings.init_window_size / 4)) {
if (!send_window_update(0, local_settings.init_window_size - local_window_size)) {
return SW_ERROR;
}
local_window_size = local_settings.init_window_size;
}
if (stream->local_window_size < (local_settings.init_window_size / 4)) {
if (!send_window_update(stream_id, local_settings.init_window_size - stream->local_window_size)) {
return SW_ERROR;
}
stream->local_window_size = local_settings.init_window_size;
}
}
}
bool end = (flags & SW_HTTP2_FLAG_END_STREAM) || type == SW_HTTP2_TYPE_RST_STREAM || type == SW_HTTP2_TYPE_GOAWAY;
pipeline_read = ((pipeline_read || (stream->flags & SW_HTTP2_STREAM_USE_PIPELINE_READ)) &&
(stream->flags & SW_HTTP2_STREAM_PIPELINE_RESPONSE));
if (end || pipeline_read) {
zval *zresponse = &stream->zresponse;
if (type == SW_HTTP2_TYPE_RST_STREAM) {
zend_update_property_long(swoole_http2_response_ce,
SW_Z8_OBJ_P(zresponse),
ZEND_STRL("statusCode"),
-3 /* HTTP_CLIENT_ESTATUS_SERVER_RESET */);
zend_update_property_long(swoole_http2_response_ce, SW_Z8_OBJ_P(zresponse), ZEND_STRL("errCode"), value);
}
if (stream->buffer && stream->buffer->length > 0) {
zend_update_property_stringl(swoole_http2_response_ce,
SW_Z8_OBJ_P(zresponse),
ZEND_STRL("data"),
stream->buffer->str,
stream->buffer->length);
stream->buffer->clear();
}
if (!end) {
zend_update_property_bool(
swoole_http2_response_ce, SW_Z8_OBJ_P(&stream->zresponse), ZEND_STRL("pipeline"), 1);
}
RETVAL_ZVAL(zresponse, end, 0);
if (!end) {
// reinit response object for the following frames
object_init_ex(zresponse, swoole_http2_response_ce);
zend_update_property_long(
swoole_http2_response_ce, SW_Z8_OBJ_P(&stream->zresponse), ZEND_STRL("streamId"), stream_id);
} else {
delete_stream(stream_id);
}
return SW_READY;
}
return SW_CONTINUE;
}
#ifdef SW_HAVE_ZLIB
int php_swoole_zlib_decompress(z_stream *stream, String *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;
swoole_trace_log(SW_TRACE_ZLIB,
SW_START_LINE "\nstatus=%d\tavail_in=%u,\tavail_out=%u,\ttotal_in=%lu,\ttotal_out=%lu\n",
status,
stream->avail_in,
stream->avail_out,
stream->total_in,
stream->total_out);
buffer->clear();
while (1) {
stream->avail_out = buffer->size - buffer->length;
stream->next_out = (Bytef *) (buffer->str + buffer->length);
status = inflate(stream, Z_SYNC_FLUSH);
swoole_trace_log(SW_TRACE_ZLIB,
"status=%d\tavail_in=%d,\tavail_out=%d,\ttotal_in=%lu,\ttotal_out=%lu,\tlength=%lu\n",
status,
stream->avail_in,
stream->avail_out,
stream->total_in,
stream->total_out,
buffer->length);
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 (!buffer->extend()) {
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 = 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;
}
Client *client = new 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 when compiling Swoole");
delete client;
RETURN_FALSE;
#endif
}
http2_client_coro_fetch_object(Z_OBJ_P(ZEND_THIS))->client = client;
zend_update_property_stringl(
swoole_http2_client_coro_ce, SW_Z8_OBJ_P(ZEND_THIS), ZEND_STRL("host"), host, host_len);
zend_update_property_long(swoole_http2_client_coro_ce, SW_Z8_OBJ_P(ZEND_THIS), ZEND_STRL("port"), port);
zend_update_property_bool(swoole_http2_client_coro_ce, SW_Z8_OBJ_P(ZEND_THIS), ZEND_STRL("ssl"), ssl);
}
static PHP_METHOD(swoole_http2_client_coro, set) {
Client *h2c = http2_client_coro_get_client(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;
}
/**
* called in read channel
*/
bool Client::send_window_update(int stream_id, uint32_t size) {
char frame[SW_HTTP2_FRAME_HEADER_SIZE + SW_HTTP2_WINDOW_UPDATE_SIZE];
swoole_http2_send_trace_log("[" SW_ECHO_YELLOW "] stream_id=%d, size=%d", "WINDOW_UPDATE", stream_id, size);
*(uint32_t *) ((char *) frame + SW_HTTP2_FRAME_HEADER_SIZE) = htonl(size);
Http2::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);
}
/**
* called on connect
*/
bool Client::send_setting() {
char frame[SW_HTTP2_SETTING_FRAME_SIZE];
size_t n = Http2::pack_setting_frame(frame, local_settings, false);
swoole_http2_send_trace_log("[" SW_ECHO_MAGENTA
"] <header_table_size=%u, enable_push=%u, max_concurrent_streams=%u, "
"init_window_size=%u, max_frame_size=%u, max_header_list_size=%u>",
Http2::get_type(SW_HTTP2_TYPE_SETTINGS),
local_settings.header_table_size,
local_settings.enable_push,
local_settings.max_concurrent_streams,
local_settings.init_window_size,
local_settings.max_frame_size,
local_settings.max_header_list_size);
return send(frame, n);
}
void php_swoole_http_parse_set_cookies(const char *at, size_t length, zval *zcookies, zval *zset_cookie_headers);
int Client::parse_header(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);
int inflate_flags = 0;
ssize_t rv;
do {
nghttp2_nv nv;
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;
}
in += (size_t) rv;
inlen -= (size_t) rv;
swoole_trace_log(SW_TRACE_HTTP2,
"[" SW_ECHO_GREEN "] %.*s[%lu]: %.*s[%lu]",
"HEADER",
(int) nv.namelen,
nv.name,
nv.namelen,
(int) nv.valuelen,
nv.value,
nv.valuelen);
if (inflate_flags & NGHTTP2_HD_INFLATE_EMIT) {
if (nv.name[0] == ':') {
if (SW_STRCASEEQ((char *) nv.name + 1, nv.namelen - 1, "status")) {
zend_update_property_long(swoole_http2_response_ce,
SW_Z8_OBJ_P(zresponse),
ZEND_STRL("statusCode"),
atoi((char *) nv.value));
}
} else {
#ifdef SW_HAVE_ZLIB
if (SW_STRCASEEQ((char *) nv.name, nv.namelen, "content-encoding") &&
SW_STR_ISTARTS_WITH((char *) nv.value, nv.valuelen, "gzip")) {
/**
* init zlib stream
*/
stream->gzip = 1;
memset(&stream->gzip_stream, 0, sizeof(stream->gzip_stream));
stream->gzip_buffer = make_string(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)) {
swoole_warning("inflateInit2() failed");
return SW_ERR;
}
} else
#endif
if (SW_STRCASEEQ((char *) nv.name, nv.namelen, "set-cookie")) {
php_swoole_http_parse_set_cookies((char *) nv.value, nv.valuelen, zcookies, zset_cookie_headers);
}
add_assoc_stringl_ex(zheaders, (char *) nv.name, nv.namelen, (char *) nv.value, nv.valuelen);
}
}
} while ([=] {
if (inflate_flags & NGHTTP2_HD_INFLATE_FINAL) {
nghttp2_hd_inflate_end_headers(inflater);
return false;
}
return inlen != 0;
}());
return SW_OK;
}
ssize_t Client::build_header(zval *zobject, zval *zrequest, char *buffer) {
Client *h2c = http2_client_coro_get_client(zobject);
zval *zmethod = sw_zend_read_property_ex(swoole_http2_request_ce, zrequest, SW_ZSTR_KNOWN(SW_ZEND_STR_METHOD), 0);
zval *zpath = sw_zend_read_property_ex(swoole_http2_request_ce, zrequest, SW_ZSTR_KNOWN(SW_ZEND_STR_PATH), 0);
zval *zheaders = sw_zend_read_property_ex(swoole_http2_request_ce, zrequest, SW_ZSTR_KNOWN(SW_ZEND_STR_HEADERS), 0);
zval *zcookies = sw_zend_read_property_ex(swoole_http2_request_ce, zrequest, SW_ZSTR_KNOWN(SW_ZEND_STR_COOKIES), 0);
HeaderSet 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->open_ssl) {
headers.add(ZEND_STRL(":scheme"), ZEND_STRL("https"));
} else {
headers.add(ZEND_STRL(":scheme"), ZEND_STRL("http"));
}
// Host
headers.reserve_one();