support aliyun sdk on TencentOS tiny
sample: examples\aliyun_iotkit_csdk_mqtt project: board\TencentOS_tiny_EVB_MX_Plus\KEIL\aliyun_iotkit_csdk_mqtt
This commit is contained in:
dcxajichu
712
components/connectivity/iotkit-embedded-3.0.1/3rdparty/external_libs/nghttp2/nghttp2_submit.c
vendored
Normal file
712
components/connectivity/iotkit-embedded-3.0.1/3rdparty/external_libs/nghttp2/nghttp2_submit.c
vendored
Normal file
@@ -0,0 +1,712 @@
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/*
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* Copyright (C) 2015-2018 Alibaba Group Holding Limited
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*/
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#include "nghttp2_submit.h"
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#include <string.h>
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#include <assert.h>
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#include "nghttp2_session.h"
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#include "nghttp2_frame.h"
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#include "nghttp2_helper.h"
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#include "nghttp2_priority_spec.h"
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/*
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* Detects the dependency error, that is stream attempted to depend on
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* itself. If |stream_id| is -1, we use session->next_stream_id as
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* stream ID.
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*
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* This function returns 0 if it succeeds, or one of the following
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* error codes:
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*
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* NGHTTP2_ERR_INVALID_ARGUMENT
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* Stream attempted to depend on itself.
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*/
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static int detect_self_dependency(nghttp2_session *session, int32_t stream_id,
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const nghttp2_priority_spec *pri_spec) {
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assert(pri_spec);
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if (stream_id == -1) {
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if ((int32_t)session->next_stream_id == pri_spec->stream_id) {
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return NGHTTP2_ERR_INVALID_ARGUMENT;
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}
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return 0;
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}
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if (stream_id == pri_spec->stream_id) {
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return NGHTTP2_ERR_INVALID_ARGUMENT;
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}
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return 0;
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}
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/* This function takes ownership of |nva_copy|. Regardless of the
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return value, the caller must not free |nva_copy| after this
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function returns. */
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static int32_t submit_headers_shared(nghttp2_session *session, uint8_t flags,
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int32_t stream_id,
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const nghttp2_priority_spec *pri_spec,
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nghttp2_nv *nva_copy, size_t nvlen,
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const nghttp2_data_provider *data_prd,
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void *stream_user_data) {
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int rv;
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uint8_t flags_copy;
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nghttp2_outbound_item *item = NULL;
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nghttp2_frame *frame = NULL;
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nghttp2_headers_category hcat;
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nghttp2_mem *mem;
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mem = &session->mem;
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item = nghttp2_mem_malloc(mem, sizeof(nghttp2_outbound_item));
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if (item == NULL) {
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rv = NGHTTP2_ERR_NOMEM;
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goto fail;
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}
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nghttp2_outbound_item_init(item);
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if (data_prd != NULL && data_prd->read_callback != NULL) {
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item->aux_data.headers.data_prd = *data_prd;
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}
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item->aux_data.headers.stream_user_data = stream_user_data;
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flags_copy =
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(uint8_t)((flags & (NGHTTP2_FLAG_END_STREAM | NGHTTP2_FLAG_PRIORITY)) |
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NGHTTP2_FLAG_END_HEADERS);
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if (stream_id == -1) {
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if (session->next_stream_id > INT32_MAX) {
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rv = NGHTTP2_ERR_STREAM_ID_NOT_AVAILABLE;
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goto fail;
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}
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stream_id = (int32_t)session->next_stream_id;
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session->next_stream_id += 2;
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hcat = NGHTTP2_HCAT_REQUEST;
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} else {
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/* More specific categorization will be done later. */
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hcat = NGHTTP2_HCAT_HEADERS;
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}
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frame = &item->frame;
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nghttp2_frame_headers_init(&frame->headers, flags_copy, stream_id, hcat,
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pri_spec, nva_copy, nvlen);
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rv = nghttp2_session_add_item(session, item);
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if (rv != 0) {
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nghttp2_frame_headers_free(&frame->headers, mem);
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goto fail2;
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}
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if (hcat == NGHTTP2_HCAT_REQUEST) {
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return stream_id;
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}
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return 0;
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fail:
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/* nghttp2_frame_headers_init() takes ownership of nva_copy. */
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nghttp2_nv_array_del(nva_copy, mem);
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fail2:
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nghttp2_mem_free(mem, item);
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return rv;
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}
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static int32_t submit_headers_shared_nva(nghttp2_session *session,
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uint8_t flags, int32_t stream_id,
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const nghttp2_priority_spec *pri_spec,
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const nghttp2_nv *nva, size_t nvlen,
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const nghttp2_data_provider *data_prd,
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void *stream_user_data) {
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int rv;
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nghttp2_nv *nva_copy;
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nghttp2_priority_spec copy_pri_spec;
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nghttp2_mem *mem;
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mem = &session->mem;
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if (pri_spec) {
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copy_pri_spec = *pri_spec;
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nghttp2_priority_spec_normalize_weight(©_pri_spec);
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} else {
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nghttp2_priority_spec_default_init(©_pri_spec);
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}
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rv = nghttp2_nv_array_copy(&nva_copy, nva, nvlen, mem);
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if (rv < 0) {
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return rv;
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}
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return submit_headers_shared(session, flags, stream_id, ©_pri_spec,
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nva_copy, nvlen, data_prd, stream_user_data);
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}
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int nghttp2_submit_trailer(nghttp2_session *session, int32_t stream_id,
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const nghttp2_nv *nva, size_t nvlen) {
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if (stream_id <= 0) {
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return NGHTTP2_ERR_INVALID_ARGUMENT;
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}
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return (int)submit_headers_shared_nva(session, NGHTTP2_FLAG_END_STREAM,
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stream_id, NULL, nva, nvlen, NULL,
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NULL);
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}
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int32_t nghttp2_submit_headers(nghttp2_session *session, uint8_t flags,
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int32_t stream_id,
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const nghttp2_priority_spec *pri_spec,
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const nghttp2_nv *nva, size_t nvlen,
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void *stream_user_data) {
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int rv;
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if (stream_id == -1) {
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if (session->server) {
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return NGHTTP2_ERR_PROTO;
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}
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} else if (stream_id <= 0) {
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return NGHTTP2_ERR_INVALID_ARGUMENT;
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}
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flags &= NGHTTP2_FLAG_END_STREAM;
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if (pri_spec && !nghttp2_priority_spec_check_default(pri_spec)) {
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rv = detect_self_dependency(session, stream_id, pri_spec);
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if (rv != 0) {
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return rv;
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}
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flags |= NGHTTP2_FLAG_PRIORITY;
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} else {
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pri_spec = NULL;
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}
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return submit_headers_shared_nva(session, flags, stream_id, pri_spec, nva,
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nvlen, NULL, stream_user_data);
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}
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int nghttp2_submit_ping(nghttp2_session *session, uint8_t flags,
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const uint8_t *opaque_data) {
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flags &= NGHTTP2_FLAG_ACK;
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return nghttp2_session_add_ping(session, flags, opaque_data);
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}
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int nghttp2_submit_priority(nghttp2_session *session, uint8_t flags,
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int32_t stream_id,
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const nghttp2_priority_spec *pri_spec) {
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int rv;
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nghttp2_outbound_item *item;
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nghttp2_frame *frame;
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nghttp2_priority_spec copy_pri_spec;
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nghttp2_mem *mem;
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(void)flags;
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mem = &session->mem;
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if (stream_id == 0 || pri_spec == NULL) {
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return NGHTTP2_ERR_INVALID_ARGUMENT;
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}
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if (stream_id == pri_spec->stream_id) {
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return NGHTTP2_ERR_INVALID_ARGUMENT;
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}
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copy_pri_spec = *pri_spec;
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nghttp2_priority_spec_normalize_weight(©_pri_spec);
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item = nghttp2_mem_malloc(mem, sizeof(nghttp2_outbound_item));
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if (item == NULL) {
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return NGHTTP2_ERR_NOMEM;
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}
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nghttp2_outbound_item_init(item);
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frame = &item->frame;
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nghttp2_frame_priority_init(&frame->priority, stream_id, ©_pri_spec);
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rv = nghttp2_session_add_item(session, item);
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if (rv != 0) {
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nghttp2_frame_priority_free(&frame->priority);
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nghttp2_mem_free(mem, item);
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return rv;
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}
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return 0;
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}
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int nghttp2_submit_rst_stream(nghttp2_session *session, uint8_t flags,
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int32_t stream_id, uint32_t error_code) {
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(void)flags;
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if (stream_id == 0) {
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return NGHTTP2_ERR_INVALID_ARGUMENT;
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}
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return nghttp2_session_add_rst_stream(session, stream_id, error_code);
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}
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int nghttp2_submit_goaway(nghttp2_session *session, uint8_t flags,
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int32_t last_stream_id, uint32_t error_code,
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const uint8_t *opaque_data, size_t opaque_data_len) {
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(void)flags;
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if (session->goaway_flags & NGHTTP2_GOAWAY_TERM_ON_SEND) {
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return 0;
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}
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return nghttp2_session_add_goaway(session, last_stream_id, error_code,
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opaque_data, opaque_data_len,
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NGHTTP2_GOAWAY_AUX_NONE);
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}
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int nghttp2_submit_shutdown_notice(nghttp2_session *session) {
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if (!session->server) {
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return NGHTTP2_ERR_INVALID_STATE;
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}
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if (session->goaway_flags) {
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return 0;
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}
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return nghttp2_session_add_goaway(session, (1u << 31) - 1, NGHTTP2_NO_ERROR,
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NULL, 0,
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NGHTTP2_GOAWAY_AUX_SHUTDOWN_NOTICE);
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}
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int nghttp2_submit_settings(nghttp2_session *session, uint8_t flags,
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const nghttp2_settings_entry *iv, size_t niv) {
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(void)flags;
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return nghttp2_session_add_settings(session, NGHTTP2_FLAG_NONE, iv, niv);
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}
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int32_t nghttp2_submit_push_promise(nghttp2_session *session, uint8_t flags,
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int32_t stream_id, const nghttp2_nv *nva,
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size_t nvlen,
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void *promised_stream_user_data) {
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nghttp2_outbound_item *item;
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nghttp2_frame *frame;
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nghttp2_nv *nva_copy;
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uint8_t flags_copy;
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int32_t promised_stream_id;
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int rv;
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nghttp2_mem *mem;
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(void)flags;
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mem = &session->mem;
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if (stream_id <= 0 || nghttp2_session_is_my_stream_id(session, stream_id)) {
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return NGHTTP2_ERR_INVALID_ARGUMENT;
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}
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if (!session->server) {
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return NGHTTP2_ERR_PROTO;
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}
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/* All 32bit signed stream IDs are spent. */
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if (session->next_stream_id > INT32_MAX) {
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return NGHTTP2_ERR_STREAM_ID_NOT_AVAILABLE;
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}
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item = nghttp2_mem_malloc(mem, sizeof(nghttp2_outbound_item));
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if (item == NULL) {
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return NGHTTP2_ERR_NOMEM;
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}
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nghttp2_outbound_item_init(item);
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item->aux_data.headers.stream_user_data = promised_stream_user_data;
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frame = &item->frame;
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rv = nghttp2_nv_array_copy(&nva_copy, nva, nvlen, mem);
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if (rv < 0) {
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nghttp2_mem_free(mem, item);
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return rv;
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}
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flags_copy = NGHTTP2_FLAG_END_HEADERS;
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promised_stream_id = (int32_t)session->next_stream_id;
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session->next_stream_id += 2;
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nghttp2_frame_push_promise_init(&frame->push_promise, flags_copy, stream_id,
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promised_stream_id, nva_copy, nvlen);
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rv = nghttp2_session_add_item(session, item);
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|
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if (rv != 0) {
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nghttp2_frame_push_promise_free(&frame->push_promise, mem);
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nghttp2_mem_free(mem, item);
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return rv;
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}
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return promised_stream_id;
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}
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int nghttp2_submit_window_update(nghttp2_session *session, uint8_t flags,
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int32_t stream_id,
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int32_t window_size_increment) {
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int rv;
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nghttp2_stream *stream = 0;
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(void)flags;
|
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|
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if (window_size_increment == 0) {
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return 0;
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}
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if (stream_id == 0) {
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rv = nghttp2_adjust_local_window_size(
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&session->local_window_size, &session->recv_window_size,
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&session->recv_reduction, &window_size_increment);
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if (rv != 0) {
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return rv;
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||||
}
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||||
} else {
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stream = nghttp2_session_get_stream(session, stream_id);
|
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if (!stream) {
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return 0;
|
||||
}
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|
||||
rv = nghttp2_adjust_local_window_size(
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&stream->local_window_size, &stream->recv_window_size,
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&stream->recv_reduction, &window_size_increment);
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if (rv != 0) {
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||||
return rv;
|
||||
}
|
||||
}
|
||||
|
||||
if (window_size_increment > 0) {
|
||||
if (stream_id == 0) {
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session->consumed_size =
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nghttp2_max(0, session->consumed_size - window_size_increment);
|
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} else {
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||||
stream->consumed_size =
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nghttp2_max(0, stream->consumed_size - window_size_increment);
|
||||
}
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||||
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||||
return nghttp2_session_add_window_update(session, 0, stream_id,
|
||||
window_size_increment);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
int nghttp2_session_set_local_window_size(nghttp2_session *session,
|
||||
uint8_t flags, int32_t stream_id,
|
||||
int32_t window_size) {
|
||||
int32_t window_size_increment;
|
||||
nghttp2_stream *stream;
|
||||
int rv;
|
||||
(void)flags;
|
||||
|
||||
if (window_size < 0) {
|
||||
return NGHTTP2_ERR_INVALID_ARGUMENT;
|
||||
}
|
||||
|
||||
if (stream_id == 0) {
|
||||
window_size_increment = window_size - session->local_window_size;
|
||||
|
||||
if (window_size_increment == 0) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
if (window_size_increment < 0) {
|
||||
return nghttp2_adjust_local_window_size(
|
||||
&session->local_window_size, &session->recv_window_size,
|
||||
&session->recv_reduction, &window_size_increment);
|
||||
}
|
||||
|
||||
rv = nghttp2_increase_local_window_size(
|
||||
&session->local_window_size, &session->recv_window_size,
|
||||
&session->recv_reduction, &window_size_increment);
|
||||
|
||||
if (rv != 0) {
|
||||
return rv;
|
||||
}
|
||||
} else {
|
||||
stream = nghttp2_session_get_stream(session, stream_id);
|
||||
|
||||
if (stream == NULL) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
window_size_increment = window_size - stream->local_window_size;
|
||||
|
||||
if (window_size_increment == 0) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
if (window_size_increment < 0) {
|
||||
return nghttp2_adjust_local_window_size(
|
||||
&stream->local_window_size, &stream->recv_window_size,
|
||||
&stream->recv_reduction, &window_size_increment);
|
||||
}
|
||||
|
||||
rv = nghttp2_increase_local_window_size(
|
||||
&stream->local_window_size, &stream->recv_window_size,
|
||||
&stream->recv_reduction, &window_size_increment);
|
||||
|
||||
if (rv != 0) {
|
||||
return rv;
|
||||
}
|
||||
}
|
||||
|
||||
if (window_size_increment > 0) {
|
||||
return nghttp2_session_add_window_update(session, 0, stream_id,
|
||||
window_size_increment);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int nghttp2_submit_altsvc(nghttp2_session *session, uint8_t flags,
|
||||
int32_t stream_id, const uint8_t *origin,
|
||||
size_t origin_len, const uint8_t *field_value,
|
||||
size_t field_value_len) {
|
||||
nghttp2_mem *mem;
|
||||
uint8_t *buf, *p;
|
||||
uint8_t *origin_copy;
|
||||
uint8_t *field_value_copy;
|
||||
nghttp2_outbound_item *item;
|
||||
nghttp2_frame *frame;
|
||||
nghttp2_ext_altsvc *altsvc;
|
||||
int rv;
|
||||
(void)flags;
|
||||
|
||||
mem = &session->mem;
|
||||
|
||||
if (!session->server) {
|
||||
return NGHTTP2_ERR_INVALID_STATE;
|
||||
}
|
||||
|
||||
if (2 + origin_len + field_value_len > NGHTTP2_MAX_PAYLOADLEN) {
|
||||
return NGHTTP2_ERR_INVALID_ARGUMENT;
|
||||
}
|
||||
|
||||
if (stream_id == 0) {
|
||||
if (origin_len == 0) {
|
||||
return NGHTTP2_ERR_INVALID_ARGUMENT;
|
||||
}
|
||||
} else if (origin_len != 0) {
|
||||
return NGHTTP2_ERR_INVALID_ARGUMENT;
|
||||
}
|
||||
|
||||
buf = nghttp2_mem_malloc(mem, origin_len + field_value_len + 2);
|
||||
if (buf == NULL) {
|
||||
return NGHTTP2_ERR_NOMEM;
|
||||
}
|
||||
|
||||
p = buf;
|
||||
|
||||
origin_copy = p;
|
||||
if (origin_len) {
|
||||
p = nghttp2_cpymem(p, origin, origin_len);
|
||||
}
|
||||
*p++ = '\0';
|
||||
|
||||
field_value_copy = p;
|
||||
if (field_value_len) {
|
||||
p = nghttp2_cpymem(p, field_value, field_value_len);
|
||||
}
|
||||
*p++ = '\0';
|
||||
|
||||
item = nghttp2_mem_malloc(mem, sizeof(nghttp2_outbound_item));
|
||||
if (item == NULL) {
|
||||
rv = NGHTTP2_ERR_NOMEM;
|
||||
goto fail_item_malloc;
|
||||
}
|
||||
|
||||
nghttp2_outbound_item_init(item);
|
||||
|
||||
item->aux_data.ext.builtin = 1;
|
||||
|
||||
altsvc = &item->ext_frame_payload.altsvc;
|
||||
|
||||
frame = &item->frame;
|
||||
frame->ext.payload = altsvc;
|
||||
|
||||
nghttp2_frame_altsvc_init(&frame->ext, stream_id, origin_copy, origin_len,
|
||||
field_value_copy, field_value_len);
|
||||
|
||||
rv = nghttp2_session_add_item(session, item);
|
||||
if (rv != 0) {
|
||||
nghttp2_frame_altsvc_free(&frame->ext, mem);
|
||||
nghttp2_mem_free(mem, item);
|
||||
|
||||
return rv;
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
||||
fail_item_malloc:
|
||||
nghttp2_mem_free(mem, buf);
|
||||
|
||||
return rv;
|
||||
}
|
||||
|
||||
static uint8_t set_request_flags(const nghttp2_priority_spec *pri_spec,
|
||||
const nghttp2_data_provider *data_prd) {
|
||||
uint8_t flags = NGHTTP2_FLAG_NONE;
|
||||
if (data_prd == NULL || data_prd->read_callback == NULL) {
|
||||
flags |= NGHTTP2_FLAG_END_STREAM;
|
||||
}
|
||||
|
||||
if (pri_spec) {
|
||||
flags |= NGHTTP2_FLAG_PRIORITY;
|
||||
}
|
||||
|
||||
return flags;
|
||||
}
|
||||
|
||||
int32_t nghttp2_submit_request(nghttp2_session *session,
|
||||
const nghttp2_priority_spec *pri_spec,
|
||||
const nghttp2_nv *nva, size_t nvlen,
|
||||
const nghttp2_data_provider *data_prd,
|
||||
void *stream_user_data) {
|
||||
uint8_t flags;
|
||||
int rv;
|
||||
|
||||
if (session->server) {
|
||||
return NGHTTP2_ERR_PROTO;
|
||||
}
|
||||
|
||||
if (pri_spec && !nghttp2_priority_spec_check_default(pri_spec)) {
|
||||
rv = detect_self_dependency(session, -1, pri_spec);
|
||||
if (rv != 0) {
|
||||
return rv;
|
||||
}
|
||||
} else {
|
||||
pri_spec = NULL;
|
||||
}
|
||||
|
||||
flags = set_request_flags(pri_spec, data_prd);
|
||||
|
||||
return submit_headers_shared_nva(session, flags, -1, pri_spec, nva, nvlen,
|
||||
data_prd, stream_user_data);
|
||||
}
|
||||
|
||||
static uint8_t set_response_flags(const nghttp2_data_provider *data_prd) {
|
||||
uint8_t flags = NGHTTP2_FLAG_NONE;
|
||||
if (data_prd == NULL || data_prd->read_callback == NULL) {
|
||||
flags |= NGHTTP2_FLAG_END_STREAM;
|
||||
}
|
||||
return flags;
|
||||
}
|
||||
|
||||
int nghttp2_submit_response(nghttp2_session *session, int32_t stream_id,
|
||||
const nghttp2_nv *nva, size_t nvlen,
|
||||
const nghttp2_data_provider *data_prd) {
|
||||
uint8_t flags;
|
||||
|
||||
if (stream_id <= 0) {
|
||||
return NGHTTP2_ERR_INVALID_ARGUMENT;
|
||||
}
|
||||
|
||||
if (!session->server) {
|
||||
return NGHTTP2_ERR_PROTO;
|
||||
}
|
||||
|
||||
flags = set_response_flags(data_prd);
|
||||
return submit_headers_shared_nva(session, flags, stream_id, NULL, nva, nvlen,
|
||||
data_prd, NULL);
|
||||
}
|
||||
|
||||
int nghttp2_submit_data(nghttp2_session *session, uint8_t flags,
|
||||
int32_t stream_id,
|
||||
const nghttp2_data_provider *data_prd) {
|
||||
int rv;
|
||||
nghttp2_outbound_item *item;
|
||||
nghttp2_frame *frame;
|
||||
nghttp2_data_aux_data *aux_data;
|
||||
uint8_t nflags = flags & NGHTTP2_FLAG_END_STREAM;
|
||||
nghttp2_mem *mem;
|
||||
|
||||
mem = &session->mem;
|
||||
|
||||
if (stream_id == 0) {
|
||||
return NGHTTP2_ERR_INVALID_ARGUMENT;
|
||||
}
|
||||
|
||||
item = nghttp2_mem_malloc(mem, sizeof(nghttp2_outbound_item));
|
||||
if (item == NULL) {
|
||||
return NGHTTP2_ERR_NOMEM;
|
||||
}
|
||||
|
||||
nghttp2_outbound_item_init(item);
|
||||
|
||||
frame = &item->frame;
|
||||
aux_data = &item->aux_data.data;
|
||||
aux_data->data_prd = *data_prd;
|
||||
aux_data->eof = 0;
|
||||
aux_data->flags = nflags;
|
||||
|
||||
/* flags are sent on transmission */
|
||||
nghttp2_frame_data_init(&frame->data, NGHTTP2_FLAG_NONE, stream_id);
|
||||
|
||||
rv = nghttp2_session_add_item(session, item);
|
||||
if (rv != 0) {
|
||||
nghttp2_frame_data_free(&frame->data);
|
||||
nghttp2_mem_free(mem, item);
|
||||
return rv;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
ssize_t nghttp2_pack_settings_payload(uint8_t *buf, size_t buflen,
|
||||
const nghttp2_settings_entry *iv,
|
||||
size_t niv) {
|
||||
if (!nghttp2_iv_check(iv, niv)) {
|
||||
return NGHTTP2_ERR_INVALID_ARGUMENT;
|
||||
}
|
||||
|
||||
if (buflen < (niv * NGHTTP2_FRAME_SETTINGS_ENTRY_LENGTH)) {
|
||||
return NGHTTP2_ERR_INSUFF_BUFSIZE;
|
||||
}
|
||||
|
||||
return (ssize_t)nghttp2_frame_pack_settings_payload(buf, iv, niv);
|
||||
}
|
||||
|
||||
int nghttp2_submit_extension(nghttp2_session *session, uint8_t type,
|
||||
uint8_t flags, int32_t stream_id, void *payload) {
|
||||
int rv;
|
||||
nghttp2_outbound_item *item;
|
||||
nghttp2_frame *frame;
|
||||
nghttp2_mem *mem;
|
||||
|
||||
mem = &session->mem;
|
||||
|
||||
if (type <= NGHTTP2_CONTINUATION) {
|
||||
return NGHTTP2_ERR_INVALID_ARGUMENT;
|
||||
}
|
||||
|
||||
if (!session->callbacks.pack_extension_callback) {
|
||||
return NGHTTP2_ERR_INVALID_STATE;
|
||||
}
|
||||
|
||||
item = nghttp2_mem_malloc(mem, sizeof(nghttp2_outbound_item));
|
||||
if (item == NULL) {
|
||||
return NGHTTP2_ERR_NOMEM;
|
||||
}
|
||||
|
||||
nghttp2_outbound_item_init(item);
|
||||
|
||||
frame = &item->frame;
|
||||
nghttp2_frame_extension_init(&frame->ext, type, flags, stream_id, payload);
|
||||
|
||||
rv = nghttp2_session_add_item(session, item);
|
||||
if (rv != 0) {
|
||||
nghttp2_frame_extension_free(&frame->ext);
|
||||
nghttp2_mem_free(mem, item);
|
||||
return rv;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
Reference in New Issue
Block a user