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swoole_http_v2_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.h"
#include "swoole_http.h"
#ifdef SW_USE_HTTP2
#include "swoole_coroutine.h"
#include "swoole_http_v2_client.h"
static zend_class_entry swoole_http2_client_coro_ce;
static zend_class_entry *swoole_http2_client_coro_class_entry_ptr;
static zend_class_entry swoole_http2_request_coro_ce;
static zend_class_entry *swoole_http2_request_class_entry_ptr;
static zend_class_entry swoole_http2_response_ce;
zend_class_entry *swoole_http2_response_class_entry_ptr;
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()
enum
{
HTTP2_CLIENT_CORO_CONTEXT = 0,
HTTP2_CLIENT_CORO_PROPERTY = 1,
};
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, goaway);
static PHP_METHOD(swoole_http2_client_coro, close);
static uint32_t http2_client_send_request(zval *zobject, zval *request);
static void http2_client_stream_free(void *ptr);
static void http2_client_onConnect(swClient *cli);
static void http2_client_onClose(swClient *cli);
static void http2_client_onTimeout(swTimer *timer, swTimer_node *tnode);
static void http2_client_onReceive(swClient *cli, char *buf, uint32_t _length);
static inline http2_client_stream* http2_client_stream_get(http2_client_property *hcc, uint32_t stream_id)
{
return (http2_client_stream*) swHashMap_find_int(hcc->streams, stream_id);
}
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, close, arginfo_swoole_void, ZEND_ACC_PUBLIC)
PHP_FE_END
};
void swoole_http2_client_coro_init(int module_number)
{
INIT_CLASS_ENTRY(swoole_http2_client_coro_ce, "Swoole\\Coroutine\\Http2\\Client", swoole_http2_client_methods);
swoole_http2_client_coro_class_entry_ptr = zend_register_internal_class(&swoole_http2_client_coro_ce);
INIT_CLASS_ENTRY(swoole_http2_request_coro_ce, "Swoole\\Http2\\Request", NULL);
swoole_http2_request_class_entry_ptr = zend_register_internal_class(&swoole_http2_request_coro_ce);
INIT_CLASS_ENTRY(swoole_http2_response_ce, "Swoole\\Http2\\Response", NULL);
swoole_http2_response_class_entry_ptr = zend_register_internal_class(&swoole_http2_response_ce);
if (SWOOLE_G(use_namespace))
{
sw_zend_register_class_alias("swoole_http2_request", swoole_http2_request_class_entry_ptr);
sw_zend_register_class_alias("swoole_http2_response", swoole_http2_response_class_entry_ptr);
}
if (SWOOLE_G(use_shortname))
{
sw_zend_register_class_alias("Co\\Http2\\Client", swoole_http2_client_coro_class_entry_ptr);
}
zend_declare_property_long(swoole_http2_client_coro_class_entry_ptr, ZEND_STRL("errCode"), 0, ZEND_ACC_PUBLIC);
zend_declare_property_long(swoole_http2_client_coro_class_entry_ptr, ZEND_STRL("errMsg"), 0, ZEND_ACC_PUBLIC);
zend_declare_property_long(swoole_http2_client_coro_class_entry_ptr, ZEND_STRL("sock"), 0, ZEND_ACC_PUBLIC);
zend_declare_property_long(swoole_http2_client_coro_class_entry_ptr, ZEND_STRL("type"), 0, ZEND_ACC_PUBLIC);
zend_declare_property_null(swoole_http2_client_coro_class_entry_ptr, ZEND_STRL("setting"), ZEND_ACC_PUBLIC);
zend_declare_property_bool(swoole_http2_client_coro_class_entry_ptr, ZEND_STRL("connected"), 0, ZEND_ACC_PUBLIC);
zend_declare_property_null(swoole_http2_client_coro_class_entry_ptr, ZEND_STRL("host"), ZEND_ACC_PUBLIC);
zend_declare_property_long(swoole_http2_client_coro_class_entry_ptr, ZEND_STRL("port"), 0, ZEND_ACC_PUBLIC);
zend_declare_property_null(swoole_http2_request_class_entry_ptr, ZEND_STRL("path"), ZEND_ACC_PUBLIC);
zend_declare_property_null(swoole_http2_request_class_entry_ptr, ZEND_STRL("method"), ZEND_ACC_PUBLIC);
zend_declare_property_null(swoole_http2_request_class_entry_ptr, ZEND_STRL("headers"), ZEND_ACC_PUBLIC);
zend_declare_property_null(swoole_http2_request_class_entry_ptr, ZEND_STRL("cookies"), ZEND_ACC_PUBLIC);
zend_declare_property_null(swoole_http2_request_class_entry_ptr, ZEND_STRL("data"), ZEND_ACC_PUBLIC);
zend_declare_property_bool(swoole_http2_request_class_entry_ptr, ZEND_STRL("pipeline"), 0, ZEND_ACC_PUBLIC);
zend_declare_property_null(swoole_http2_request_class_entry_ptr, ZEND_STRL("files"), ZEND_ACC_PUBLIC);
zend_declare_property_long(swoole_http2_response_class_entry_ptr, ZEND_STRL("streamId"), 0, ZEND_ACC_PUBLIC);
zend_declare_property_long(swoole_http2_response_class_entry_ptr, ZEND_STRL("errCode"), 0, ZEND_ACC_PUBLIC);
zend_declare_property_long(swoole_http2_response_class_entry_ptr, ZEND_STRL("statusCode"), 0, ZEND_ACC_PUBLIC);
zend_declare_property_bool(swoole_http2_response_class_entry_ptr, ZEND_STRL("pipeline"), 0, ZEND_ACC_PUBLIC);
zend_declare_property_null(swoole_http2_response_class_entry_ptr, ZEND_STRL("headers"), ZEND_ACC_PUBLIC);
zend_declare_property_null(swoole_http2_response_class_entry_ptr, ZEND_STRL("set_cookie_headers"), ZEND_ACC_PUBLIC);
zend_declare_property_null(swoole_http2_response_class_entry_ptr, ZEND_STRL("cookies"), ZEND_ACC_PUBLIC);
zend_declare_property_null(swoole_http2_response_class_entry_ptr, ZEND_STRL("data"), ZEND_ACC_PUBLIC);
SWOOLE_DEFINE(HTTP2_TYPE_DATA);
SWOOLE_DEFINE(HTTP2_TYPE_HEADERS);
SWOOLE_DEFINE(HTTP2_TYPE_PRIORITY);
SWOOLE_DEFINE(HTTP2_TYPE_RST_STREAM);
SWOOLE_DEFINE(HTTP2_TYPE_SETTINGS);
SWOOLE_DEFINE(HTTP2_TYPE_PUSH_PROMISE);
SWOOLE_DEFINE(HTTP2_TYPE_PING);
SWOOLE_DEFINE(HTTP2_TYPE_GOAWAY);
SWOOLE_DEFINE(HTTP2_TYPE_WINDOW_UPDATE);
SWOOLE_DEFINE(HTTP2_TYPE_CONTINUATION);
SWOOLE_DEFINE(HTTP2_ERROR_NO_ERROR);
SWOOLE_DEFINE(HTTP2_ERROR_PROTOCOL_ERROR);
SWOOLE_DEFINE(HTTP2_ERROR_INTERNAL_ERROR);
SWOOLE_DEFINE(HTTP2_ERROR_FLOW_CONTROL_ERROR);
SWOOLE_DEFINE(HTTP2_ERROR_SETTINGS_TIMEOUT);
SWOOLE_DEFINE(HTTP2_ERROR_STREAM_CLOSED);
SWOOLE_DEFINE(HTTP2_ERROR_FRAME_SIZE_ERROR);
SWOOLE_DEFINE(HTTP2_ERROR_REFUSED_STREAM);
SWOOLE_DEFINE(HTTP2_ERROR_CANCEL);
SWOOLE_DEFINE(HTTP2_ERROR_COMPRESSION_ERROR);
SWOOLE_DEFINE(HTTP2_ERROR_CONNECT_ERROR);
SWOOLE_DEFINE(HTTP2_ERROR_ENHANCE_YOUR_CALM);
SWOOLE_DEFINE(HTTP2_ERROR_INADEQUATE_SECURITY);
}
static PHP_METHOD(swoole_http2_client_coro, __construct)
{
char *host;
size_t host_len;
long port = 80;
zend_bool ssl = SW_FALSE;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "s|lb", &host, &host_len, &port, &ssl) == FAILURE)
{
RETURN_FALSE;
}
if (host_len <= 0)
{
zend_throw_exception(swoole_exception_class_entry_ptr, "host is empty.", SW_ERROR_INVALID_PARAMS);
RETURN_FALSE;
}
http2_client_property *hcc = (http2_client_property*) emalloc(sizeof(http2_client_property));
bzero(hcc, sizeof(http2_client_property));
long type = SW_FLAG_ASYNC | SW_SOCK_TCP;
if (ssl)
{
#ifdef SW_USE_OPENSSL
type |= SW_SOCK_SSL;
hcc->ssl = 1;
#else
swoole_php_fatal_error(E_ERROR, "Need to use `--enable-openssl` to support ssl when compiling swoole.");
#endif
}
hcc->host = estrndup(host, host_len);
hcc->host_len = host_len;
hcc->port = port;
swoole_set_property(getThis(), HTTP2_CLIENT_CORO_PROPERTY, hcc);
php_context *context = (php_context *) emalloc(sizeof(php_context));
context->coro_params = *getThis();
swoole_set_property(getThis(), HTTP2_CLIENT_CORO_CONTEXT, context);
zend_update_property_long(swoole_http2_client_coro_class_entry_ptr, getThis(), ZEND_STRL("type"), type);
zend_update_property_stringl(swoole_http2_client_coro_class_entry_ptr, getThis(), ZEND_STRL("host"), host, host_len);
zend_update_property_long(swoole_http2_client_coro_class_entry_ptr, getThis(), ZEND_STRL("port"), port);
}
static PHP_METHOD(swoole_http2_client_coro, set)
{
zval *zset;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "z", &zset) == FAILURE)
{
RETURN_FALSE;
}
if (Z_TYPE_P(zset) != IS_ARRAY)
{
RETURN_FALSE;
}
zval *zsetting = sw_zend_read_property_array(swoole_http2_client_coro_class_entry_ptr, getThis(), ZEND_STRL("setting"), 1);
php_array_merge(Z_ARRVAL_P(zsetting), Z_ARRVAL_P(zset));
RETURN_TRUE;
}
static sw_inline int http2_client_close(swClient *cli)
{
if (!cli || !cli->socket || cli->socket->closed)
{
return SW_ERR;
}
return cli->close(cli);
}
static void http2_client_add_cookie(nghttp2_nv *nv, int *index, zval *cookies)
{
char *key;
uint32_t keylen;
int keytype;
zval *value = NULL;
char *encoded_value;
swString *buffer = SwooleTG.buffer_stack;
SW_HASHTABLE_FOREACH_START2(Z_ARRVAL_P(cookies), key, keylen, keytype, value)
if (HASH_KEY_IS_STRING != keytype)
{
continue;
}
convert_to_string(value);
if (Z_STRLEN_P(value) == 0)
{
continue;
}
swString_clear(buffer);
swString_append_ptr(buffer, key, keylen);
swString_append_ptr(buffer, "=", 1);
int encoded_value_len;
encoded_value = sw_php_url_encode(Z_STRVAL_P(value), Z_STRLEN_P(value), &encoded_value_len);
if (encoded_value)
{
swString_append_ptr(buffer, encoded_value, encoded_value_len);
efree(encoded_value);
http2_add_header(&nv[(*index)++], ZEND_STRL("cookie"), buffer->str, buffer->length);
}
SW_HASHTABLE_FOREACH_END();
}
int http2_client_parse_header(http2_client_property *hcc, http2_client_stream *stream , int flags, char *in, size_t inlen)
{
zval *zresponse = stream->response_object;
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_property_array(swoole_http2_response_class_entry_ptr, zresponse, ZEND_STRL("headers"), 1);
zval *zcookies = sw_zend_read_property_array(swoole_http2_response_class_entry_ptr, zresponse, ZEND_STRL("cookies"), 1);
zval *zset_cookie_headers = sw_zend_read_property_array(swoole_http2_response_class_entry_ptr, zresponse, ZEND_STRL("set_cookie_headers"), 1);
ssize_t rv;
for (;;)
{
nghttp2_nv nv;
int inflate_flags = 0;
size_t proclen;
rv = nghttp2_hd_inflate_hd(hcc->inflater, &nv, &inflate_flags, (uchar *) in, inlen, 1);
if (rv < 0)
{
swoole_php_error(E_WARNING, "inflate failed, Error: %s[%zd].", nghttp2_strerror(rv), rv);
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_class_entry_ptr, 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)
{
http2_client_init_gzip_stream(stream);
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(hcc->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 *req, char *buffer)
{
char *date_str = NULL;
int i;
int index = 0;
int find_host = 0;
zval *zmethod = sw_zend_read_property(swoole_http2_request_class_entry_ptr, req, ZEND_STRL("method"), 1);
zval *zpath = sw_zend_read_property(swoole_http2_request_class_entry_ptr, req, ZEND_STRL("path"), 1);
zval *zheaders = sw_zend_read_property(swoole_http2_request_class_entry_ptr, req, ZEND_STRL("headers"), 1);
zval *zcookies = sw_zend_read_property(swoole_http2_request_class_entry_ptr, req, ZEND_STRL("cookies"), 1);
nghttp2_nv nv[1024];
http2_client_property *hcc = (http2_client_property *) swoole_get_property(zobject, HTTP2_CLIENT_CORO_PROPERTY);
if (ZVAL_IS_NULL(zmethod) || Z_TYPE_P(zmethod) != IS_STRING || Z_STRLEN_P(zmethod) == 0)
{
http2_add_header(&nv[index++], ZEND_STRL(":method"), ZEND_STRL("GET"));
}
else
{
http2_add_header(&nv[index++], ZEND_STRL(":method"), Z_STRVAL_P(zmethod), Z_STRLEN_P(zmethod));
}
if (ZVAL_IS_NULL(zpath) || Z_TYPE_P(zpath) != IS_STRING || Z_STRLEN_P(zpath) == 0)
{
http2_add_header(&nv[index++], ZEND_STRL(":path"), "/", 1);
}
else
{
http2_add_header(&nv[index++], ZEND_STRL(":path"), Z_STRVAL_P(zpath), Z_STRLEN_P(zpath));
}
if (hcc->ssl)
{
http2_add_header(&nv[index++], ZEND_STRL(":scheme"), ZEND_STRL("https"));
}
else
{
http2_add_header(&nv[index++], ZEND_STRL(":scheme"), ZEND_STRL("http"));
}
//Host
index++;
if (zheaders && Z_TYPE_P(zheaders) == IS_ARRAY)
{
HashTable *ht = Z_ARRVAL_P(zheaders);
zval *value = NULL;
char *key = NULL;
uint32_t keylen = 0;
int type;
SW_HASHTABLE_FOREACH_START2(ht, key, keylen, type, value)
{
if (!key)
{
break;
}
if (*key == ':')
{
continue;
}
if (strncasecmp("host", key, keylen) == 0)
{
http2_add_header(&nv[HTTP2_CLIENT_HOST_HEADER_INDEX], ZEND_STRL(":authority"), Z_STRVAL_P(value), Z_STRLEN_P(value));
find_host = 1;
}
else
{
http2_add_header(&nv[index++], key, keylen, Z_STRVAL_P(value), Z_STRLEN_P(value));
}
}
SW_HASHTABLE_FOREACH_END();
(void)type;
}
if (!find_host)
{
http2_add_header(&nv[HTTP2_CLIENT_HOST_HEADER_INDEX], ZEND_STRL(":authority"), hcc->host, hcc->host_len);
}
//http cookies
if (zcookies && Z_TYPE_P(zcookies) == IS_ARRAY)
{
http2_client_add_cookie(nv, &index, zcookies);
}
ssize_t rv;
size_t buflen;
buflen = nghttp2_hd_deflate_bound(hcc->deflater, nv, index);
if (buflen > hcc->remote_settings.max_header_list_size)
{
swoole_php_error(E_WARNING, "header cannot bigger than remote max_header_list_size %u.", hcc->remote_settings.header_table_size);
return SW_ERR;
}
rv = nghttp2_hd_deflate_hd(hcc->deflater, (uchar *) buffer, buflen, nv, index);
if (rv < 0)
{
swoole_php_error(E_WARNING, "nghttp2_hd_deflate_hd() failed with error: %s\n", nghttp2_strerror((int ) rv));
return SW_ERR;
}
for (i = 0; i < index; ++i)
{
efree(nv[i].name); // free lower header name copy
}
if (date_str)
{
efree(date_str);
}
return rv;
}
static void http2_client_onReceive(swClient *cli, char *buf, uint32_t _length)
{
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;
zval *zobject = (zval *) cli->object;
char frame[SW_HTTP2_FRAME_HEADER_SIZE + SW_HTTP2_FRAME_PING_PAYLOAD_SIZE];
http2_client_property *hcc = (http2_client_property *) swoole_get_property(zobject, HTTP2_CLIENT_CORO_PROPERTY);
if (stream_id > hcc->last_stream_id)
{
hcc->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;
}
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 != hcc->remote_settings.header_table_size)
{
hcc->remote_settings.header_table_size = value;
int ret = nghttp2_hd_deflate_change_table_size(hcc->deflater, value);
if (ret != 0)
{
swoole_php_error(E_WARNING, "nghttp2_hd_inflate_change_table_size failed with error: %s[%d]\n", nghttp2_strerror(ret), ret);
http2_client_close(cli);
return;
}
}
swTraceLog(SW_TRACE_HTTP2, "setting: header_compression_table_max=%u.", value);
break;
case SW_HTTP2_SETTINGS_MAX_CONCURRENT_STREAMS:
hcc->remote_settings.max_concurrent_streams = value;
swTraceLog(SW_TRACE_HTTP2, "setting: max_concurrent_streams=%u.", value);
break;
case SW_HTTP2_SETTINGS_INIT_WINDOW_SIZE:
hcc->remote_settings.window_size = value;
swTraceLog(SW_TRACE_HTTP2, "setting: init_send_window=%u.", value);
break;
case SW_HTTP2_SETTINGS_MAX_FRAME_SIZE:
hcc->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:
hcc->remote_settings.max_header_list_size = value;
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);
cli->send(cli, frame, SW_HTTP2_FRAME_HEADER_SIZE, 0);
return;
}
case SW_HTTP2_TYPE_WINDOW_UPDATE:
{
value = ntohl(*(uint32_t *) buf);
swHttp2FrameTraceLog(recv, "window_size_increment=%d", value);
if (stream_id == 0)
{
hcc->remote_settings.window_size += value;
}
else
{
http2_client_stream *stream = http2_client_stream_get(hcc, stream_id);
if (stream)
{
stream->remote_window_size += value;
}
}
return;
}
case SW_HTTP2_TYPE_PING:
{
swHttp2FrameTraceLog(recv, "ping");
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);
cli->send(cli, frame, SW_HTTP2_FRAME_HEADER_SIZE + SW_HTTP2_FRAME_PING_PAYLOAD_SIZE, 0);
return;
}
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_class_entry_ptr, zobject, ZEND_STRL("errCode"), value);
zend_update_property_stringl(swoole_http2_client_coro_class_entry_ptr, zobject, ZEND_STRL("errMsg"), buf, length - SW_HTTP2_GOAWAY_SIZE);
zend_update_property_long(swoole_http2_client_coro_class_entry_ptr, zobject, ZEND_STRL("serverLastStreamId"), server_last_stream_id);
http2_client_close(cli); // will trigger onClose and resume
return;
}
case SW_HTTP2_TYPE_RST_STREAM:
{
value = ntohl(*(uint32_t *) (buf));
swHttp2FrameTraceLog(recv, "error_code=%d", value);
if (hcc->iowait == 0)
{
// delete and free quietly
swHashMap_del_int(hcc->streams, stream_id);
return;
}
break;
}
default:
{
swHttp2FrameTraceLog(recv, "");
}
}
http2_client_stream *stream = http2_client_stream_get(hcc, stream_id);
// stream has closed
if (stream == NULL)
{
return;
}
if (type == SW_HTTP2_TYPE_HEADERS)
{
http2_client_parse_header(hcc, 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 (http_response_uncompress(&stream->gzip_stream, stream->gzip_buffer, buf, length) == SW_ERR)
{
return;
}
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
hcc->local_settings.window_size -= length;
stream->local_window_size -= length;
if (hcc->local_settings.window_size < (SW_HTTP2_MAX_WINDOW_SIZE / 4))
{
http2_client_send_window_update(cli, 0, SW_HTTP2_MAX_WINDOW_SIZE - hcc->local_settings.window_size);
hcc->local_settings.window_size = SW_HTTP2_MAX_WINDOW_SIZE;
}
if (stream->local_window_size < (SW_HTTP2_MAX_WINDOW_SIZE / 4))
{
http2_client_send_window_update(cli, stream_id, SW_HTTP2_MAX_WINDOW_SIZE - stream->local_window_size);
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 and goaway frame
)
{
zval _zresponse = stream->_response_object;
zval *zresponse = &_zresponse;
zval *retval = NULL;
if (type == SW_HTTP2_TYPE_RST_STREAM)
{
zend_update_property_long(swoole_http2_response_class_entry_ptr, zresponse, ZEND_STRL("statusCode"), -3);
zend_update_property_long(swoole_http2_response_class_entry_ptr, 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_class_entry_ptr, zresponse, ZEND_STRL("pipeline"), 1);
}
if (stream->buffer)
{
zend_update_property_stringl(swoole_http2_response_class_entry_ptr, stream->response_object, ZEND_STRL("data"), stream->buffer->str, stream->buffer->length);
}
if (stream_type == SW_HTTP2_STREAM_NORMAL)
{
Z_ADDREF_P(zresponse); // dtor in del
swHashMap_del_int(hcc->streams, stream_id);
}
else if (stream->buffer)
{
swString_clear(stream->buffer);
}
if (cli->timer)
{
swTimer_del(&SwooleG.timer, cli->timer);
cli->timer = NULL;
}
if (hcc->iowait != 0)
{
hcc->iowait = 0;
hcc->read_cid = 0;
php_context *context = (php_context *) swoole_get_property(zobject, HTTP2_CLIENT_CORO_CONTEXT);
int ret = sw_coro_resume(context, zresponse, retval);
if (ret == CORO_END && retval)
{
zval_ptr_dtor(retval);
}
}
// if not pipeline or pipeline end, response refcount--
if (stream_type != SW_HTTP2_STREAM_PIPELINE || (flags & SW_HTTP2_FLAG_END_STREAM))
{
zval_ptr_dtor(zresponse);
}
}
}
static void http2_client_stream_free(void *ptr)
{
http2_client_stream *stream = (http2_client_stream *) ptr;
if (stream->buffer)
{
swString_free(stream->buffer);
}
#ifdef SW_HAVE_ZLIB
if (stream->gzip)
{
inflateEnd(&stream->gzip_stream);
swString_free(stream->gzip_buffer);
}
#endif
if (stream->response_object)
{
zval_ptr_dtor(stream->response_object);
stream->response_object = NULL;
}
efree(stream);
}
static uint32_t http2_client_send_request(zval *zobject, zval *req)
{
http2_client_property *hcc = (http2_client_property *) swoole_get_property(zobject, HTTP2_CLIENT_CORO_PROPERTY);
swClient *cli = hcc->client;
zval *zheaders = sw_zend_read_property_array(swoole_http2_request_class_entry_ptr, req, ZEND_STRL("headers"), 1);
zval *zpost_data = sw_zend_read_property(swoole_http2_request_class_entry_ptr, req, ZEND_STRL("data"), 1);
zval *zpipeline = sw_zend_read_property(swoole_http2_request_class_entry_ptr, req, ZEND_STRL("pipeline"), 1);
if (!ZVAL_IS_NULL(zpost_data))
{
if (Z_TYPE_P(zpost_data) == IS_ARRAY)
{
add_assoc_stringl_ex(zheaders, ZEND_STRL("content-type"), ZEND_STRL("application/x-www-form-urlencoded"));
}
}
/**
* send header
*/
char* buffer = SwooleTG.buffer_stack->str;
ssize_t n = http2_client_build_header(zobject, req, buffer + SW_HTTP2_FRAME_HEADER_SIZE);
if (n <= 0)
{
swWarn("http2_client_build_header() failed.");
return 0;
}
// malloc
http2_client_stream *stream = (http2_client_stream *) emalloc(sizeof(http2_client_stream));
memset(stream, 0, sizeof(http2_client_stream));
// init
stream->response_object = &stream->_response_object;
object_init_ex(stream->response_object, swoole_http2_response_class_entry_ptr);
stream->stream_id = hcc->stream_id;
stream->type = Z_BVAL_P(zpipeline) ? SW_HTTP2_STREAM_PIPELINE : SW_HTTP2_STREAM_NORMAL;
stream->remote_window_size = SW_HTTP2_DEFAULT_WINDOW_SIZE;
stream->local_window_size = SW_HTTP2_DEFAULT_WINDOW_SIZE;
// add to map
swHashMap_add_int(hcc->streams, stream->stream_id, stream);
if (ZVAL_IS_NULL(zpost_data))
{
//pipeline
if (stream->type == SW_HTTP2_STREAM_PIPELINE)
{
swHttp2_set_frame_header(buffer, SW_HTTP2_TYPE_HEADERS, n, SW_HTTP2_FLAG_END_HEADERS, stream->stream_id);
}
else
{
swHttp2_set_frame_header(buffer, SW_HTTP2_TYPE_HEADERS, n, SW_HTTP2_FLAG_END_STREAM | SW_HTTP2_FLAG_END_HEADERS, stream->stream_id);
}
}
else
{
swHttp2_set_frame_header(buffer, SW_HTTP2_TYPE_HEADERS, n, SW_HTTP2_FLAG_END_HEADERS, stream->stream_id);
}
zend_update_property_long(swoole_http2_response_class_entry_ptr, stream->response_object, ZEND_STRL("streamId"), stream->stream_id);
swTraceLog(SW_TRACE_HTTP2, "[" SW_ECHO_GREEN ", STREAM#%d] length=%zd", swHttp2_get_type(SW_HTTP2_TYPE_HEADERS), stream->stream_id, n);
cli->send(cli, buffer, n + SW_HTTP2_FRAME_HEADER_SIZE, 0);
/**
* send body
*/
if (!ZVAL_IS_NULL(zpost_data))
{
char *p;
size_t len;
smart_str formstr_s = { NULL, 0 };
uint8_t send_flag;
uint32_t send_len;
int flag = stream->type == SW_HTTP2_STREAM_PIPELINE ? 0 : SW_HTTP2_FLAG_END_STREAM;
if (Z_TYPE_P(zpost_data) == IS_ARRAY)
{
p = sw_http_build_query(zpost_data, &len, &formstr_s);
if (p == NULL)
{
swoole_php_error(E_WARNING, "http_build_query failed.");
return 0;
}
}
else
{
convert_to_string(zpost_data);
p = Z_STRVAL_P(zpost_data);
len = Z_STRLEN_P(zpost_data);
}
swTraceLog(SW_TRACE_HTTP2, "[" SW_ECHO_GREEN ", END, STREAM#%d] length=%zu", swHttp2_get_type(SW_HTTP2_TYPE_DATA), stream->stream_id, len);
while (len > 0)
{
if (len > hcc->remote_settings.max_frame_size)
{
send_len = hcc->remote_settings.max_frame_size;
send_flag = 0;
}
else
{
send_len = len;
send_flag = flag;
}
swHttp2_set_frame_header(buffer, SW_HTTP2_TYPE_DATA, send_len, send_flag, stream->stream_id);
if (cli->send(cli, buffer, SW_HTTP2_FRAME_HEADER_SIZE, 0) < 0)
{
return 0;
}
if (cli->send(cli, p, send_len, 0) < 0)
{
return 0;
}
len -= send_len;
p += send_len;
}
if (formstr_s.s)
{
smart_str_free(&formstr_s);
}
}
hcc->stream_id += 2;
return stream->stream_id;
}
static int http2_client_send_data(http2_client_property *hcc, uint32_t stream_id, zval *data, zend_bool end)
{
swClient *cli = hcc->client;
char buffer[8192];
http2_client_stream *stream = http2_client_stream_get(hcc, stream_id);
if (stream == NULL || stream->type != SW_HTTP2_STREAM_PIPELINE)
{
return -1;
}
int flag = end ? SW_HTTP2_FLAG_END_STREAM : 0;
if (Z_TYPE_P(data) == IS_ARRAY)
{
size_t len;
smart_str formstr_s = { 0 };
char *formstr = sw_http_build_query(data, &len, &formstr_s);
if (formstr == NULL)
{
swoole_php_error(E_WARNING, "http_build_query failed.");
return -1;
}
memset(buffer, 0, SW_HTTP2_FRAME_HEADER_SIZE);
swHttp2_set_frame_header(buffer, SW_HTTP2_TYPE_DATA, len, flag, stream_id);
swTraceLog(SW_TRACE_HTTP2, "[" SW_ECHO_GREEN ", END, STREAM#%d] length=%zu", swHttp2_get_type(SW_HTTP2_TYPE_DATA), stream_id, len);
cli->send(cli, buffer, SW_HTTP2_FRAME_HEADER_SIZE, 0);
cli->send(cli, formstr, len, 0);
smart_str_free(&formstr_s);
}
else if (Z_TYPE_P(data) == IS_STRING)
{
swHttp2_set_frame_header(buffer, SW_HTTP2_TYPE_DATA, Z_STRLEN_P(data), flag, stream_id);
swTraceLog(SW_TRACE_HTTP2, "[" SW_ECHO_GREEN ", END, STREAM#%d] length=%zu", swHttp2_get_type(SW_HTTP2_TYPE_DATA), stream_id, Z_STRLEN_P(data));
cli->send(cli, buffer, SW_HTTP2_FRAME_HEADER_SIZE, 0);
cli->send(cli, Z_STRVAL_P(data), Z_STRLEN_P(data), 0);
}
else
{
swoole_php_error(E_WARNING, "unknown data type[%d].", Z_TYPE_P(data) );
return -1;
}
return SW_OK;
}
static PHP_METHOD(swoole_http2_client_coro, send)
{
zval *request;
http2_client_property *hcc = (http2_client_property *) swoole_get_property(getThis(), HTTP2_CLIENT_CORO_PROPERTY);
if (!hcc->streams)
{
zend_update_property_long(swoole_http2_client_coro_class_entry_ptr, getThis(), ZEND_STRL("errCode"), (SwooleG.error = SW_ERROR_CLIENT_NO_CONNECTION));
zend_update_property_string(swoole_http2_client_coro_class_entry_ptr, getThis(), ZEND_STRL("errMsg"), "client is not connected to server.");
swoole_php_error(E_WARNING, "client is not connected to server.");
RETURN_FALSE;
}
if (zend_parse_parameters(ZEND_NUM_ARGS(), "z", &request) == FAILURE)
{
RETURN_FALSE;
}
if (Z_TYPE_P(request) != IS_OBJECT || !instanceof_function(Z_OBJCE_P(request), swoole_http2_request_class_entry_ptr))
{
swoole_php_fatal_error(E_ERROR, "object is not instanceof swoole_http2_request.");
RETURN_FALSE;
}
uint32_t stream_id = http2_client_send_request(getThis(), request);
if (stream_id == 0)
{
RETURN_FALSE;
}
else
{
RETURN_LONG(stream_id);
}
}
static PHP_METHOD(swoole_http2_client_coro, recv)
{
http2_client_property *hcc = (http2_client_property *) swoole_get_property(getThis(), HTTP2_CLIENT_CORO_PROPERTY);
swClient *cli = hcc->client;
if (!hcc->streams)
{
zend_update_property_long(swoole_http2_client_coro_class_entry_ptr, getThis(), ZEND_STRL("errCode"), (SwooleG.error = SW_ERROR_CLIENT_NO_CONNECTION));
zend_update_property_string(swoole_http2_client_coro_class_entry_ptr, getThis(), ZEND_STRL("errMsg"), "client is not connected to server.");
swoole_php_error(E_WARNING, "client is not connected to server.");
RETURN_FALSE;
}
sw_coro_check_bind("http2 client", hcc->read_cid);
double timeout = hcc->timeout;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "|d", &timeout) == FAILURE)
{
RETURN_FALSE;
}
php_context *context = (php_context *) swoole_get_property(getThis(), HTTP2_CLIENT_CORO_CONTEXT);
if (timeout > 0)
{
cli->timer = swTimer_add(&SwooleG.timer, (int) (timeout * 1000), 0, context, http2_client_onTimeout);
}
hcc->iowait = 1;
hcc->read_cid = sw_get_current_cid();