/src/nghttp2/lib/nghttp2_outbound_item.c

Source
/*
 * nghttp2 - HTTP/2 C Library
 *
 * Copyright (c) 2012 Tatsuhiro Tsujikawa
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
#include "nghttp2_outbound_item.h"

#include <assert.h>
#include <string.h>

nghttp2_data_provider_wrap *
nghttp2_data_provider_wrap_v1(nghttp2_data_provider_wrap *dpw,
                              const nghttp2_data_provider *data_prd) {
  if (!data_prd) {
    return NULL;
  }

  *dpw = (nghttp2_data_provider_wrap){
    .version = NGHTTP2_DATA_PROVIDER_V1,
    .data_prd.v1 = *data_prd,
  };

  return dpw;
}

nghttp2_data_provider_wrap *
nghttp2_data_provider_wrap_v2(nghttp2_data_provider_wrap *dpw,
                              const nghttp2_data_provider2 *data_prd) {
  if (!data_prd) {
    return NULL;
  }

  *dpw = (nghttp2_data_provider_wrap){
    .version = NGHTTP2_DATA_PROVIDER_V2,
    .data_prd.v2 = *data_prd,
  };

  return dpw;
}

int nghttp2_data_provider_wrap_contains_read_callback(
  const nghttp2_data_provider_wrap *dpw) {
  switch (dpw->version) {
  case NGHTTP2_DATA_PROVIDER_V1:
    return dpw->data_prd.v1.read_callback != NULL;
  case NGHTTP2_DATA_PROVIDER_V2:
    return dpw->data_prd.v2.read_callback != NULL;
  default:
    return 0;
  }
}

void nghttp2_outbound_item_init(nghttp2_outbound_item *item) {
  item->cycle = 0;
  item->qnext = NULL;
  item->queued = 0;

  memset(&item->aux_data, 0, sizeof(nghttp2_aux_data));
}

void nghttp2_outbound_item_free(nghttp2_outbound_item *item, nghttp2_mem *mem) {
  nghttp2_frame *frame;

  if (item == NULL) {
    return;
  }

  frame = &item->frame;

  switch (frame->hd.type) {
  case NGHTTP2_DATA:
    nghttp2_frame_data_free(&frame->data);
    break;
  case NGHTTP2_HEADERS:
    nghttp2_frame_headers_free(&frame->headers, mem);
    break;
  case NGHTTP2_PRIORITY:
    nghttp2_frame_priority_free(&frame->priority);
    break;
  case NGHTTP2_RST_STREAM:
    nghttp2_frame_rst_stream_free(&frame->rst_stream);
    break;
  case NGHTTP2_SETTINGS:
    nghttp2_frame_settings_free(&frame->settings, mem);
    break;
  case NGHTTP2_PUSH_PROMISE:
    nghttp2_frame_push_promise_free(&frame->push_promise, mem);
    break;
  case NGHTTP2_PING:
    nghttp2_frame_ping_free(&frame->ping);
    break;
  case NGHTTP2_GOAWAY:
    nghttp2_frame_goaway_free(&frame->goaway, mem);
    break;
  case NGHTTP2_WINDOW_UPDATE:
    nghttp2_frame_window_update_free(&frame->window_update);
    break;
  default: {
    nghttp2_ext_aux_data *aux_data;

    aux_data = &item->aux_data.ext;

    if (aux_data->builtin == 0) {
      nghttp2_frame_extension_free(&frame->ext);
      break;
    }

    switch (frame->hd.type) {
    case NGHTTP2_ALTSVC:
      nghttp2_frame_altsvc_free(&frame->ext, mem);
      break;
    case NGHTTP2_ORIGIN:
      nghttp2_frame_origin_free(&frame->ext, mem);
      break;
    case NGHTTP2_PRIORITY_UPDATE:
      nghttp2_frame_priority_update_free(&frame->ext, mem);
      break;
    default:
      assert(0);
      break;
    }
  }
  }
}

void nghttp2_outbound_queue_init(nghttp2_outbound_queue *q) {
  *q = (nghttp2_outbound_queue){0};
}

void nghttp2_outbound_queue_push(nghttp2_outbound_queue *q,
                                 nghttp2_outbound_item *item) {
  if (q->tail) {
    q->tail = q->tail->qnext = item;
  } else {
    q->head = q->tail = item;
  }
  ++q->n;
}

void nghttp2_outbound_queue_pop(nghttp2_outbound_queue *q) {
  nghttp2_outbound_item *item;
  if (!q->head) {
    return;
  }
  item = q->head;
  q->head = q->head->qnext;
  item->qnext = NULL;
  if (!q->head) {
    q->tail = NULL;
  }
  --q->n;
}

Line	Count	Source
1		/*
2		* nghttp2 - HTTP/2 C Library
3		*
4		* Copyright (c) 2012 Tatsuhiro Tsujikawa
5		*
6		* Permission is hereby granted, free of charge, to any person obtaining
7		* a copy of this software and associated documentation files (the
8		* "Software"), to deal in the Software without restriction, including
9		* without limitation the rights to use, copy, modify, merge, publish,
10		* distribute, sublicense, and/or sell copies of the Software, and to
11		* permit persons to whom the Software is furnished to do so, subject to
12		* the following conditions:
13		*
14		* The above copyright notice and this permission notice shall be
15		* included in all copies or substantial portions of the Software.
16		*
17		* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18		* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19		* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
20		* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
21		* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22		* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23		* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24		*/
25		#include "nghttp2_outbound_item.h"
26
27		#include <assert.h>
28		#include <string.h>
29
30		nghttp2_data_provider_wrap *
31		nghttp2_data_provider_wrap_v1(nghttp2_data_provider_wrap *dpw,
32	0	const nghttp2_data_provider *data_prd) {
33	0	if (!data_prd) {
34	0	return NULL;
35	0	}
36
37	0	*dpw = (nghttp2_data_provider_wrap){
38	0	.version = NGHTTP2_DATA_PROVIDER_V1,
39	0	.data_prd.v1 = *data_prd,
40	0	};
41
42	0	return dpw;
43	0	}
44
45		nghttp2_data_provider_wrap *
46		nghttp2_data_provider_wrap_v2(nghttp2_data_provider_wrap *dpw,
47	0	const nghttp2_data_provider2 *data_prd) {
48	0	if (!data_prd) {
49	0	return NULL;
50	0	}
51
52	0	*dpw = (nghttp2_data_provider_wrap){
53	0	.version = NGHTTP2_DATA_PROVIDER_V2,
54	0	.data_prd.v2 = *data_prd,
55	0	};
56
57	0	return dpw;
58	0	}
59
60		int nghttp2_data_provider_wrap_contains_read_callback(
61	0	const nghttp2_data_provider_wrap *dpw) {
62	0	switch (dpw->version) {
63	0	case NGHTTP2_DATA_PROVIDER_V1:
64	0	return dpw->data_prd.v1.read_callback != NULL;
65	0	case NGHTTP2_DATA_PROVIDER_V2:
66	0	return dpw->data_prd.v2.read_callback != NULL;
67	0	default:
68	0	return 0;
69	0	}
70	0	}
71
72	83.6k	void nghttp2_outbound_item_init(nghttp2_outbound_item *item) {
73	83.6k	item->cycle = 0;
74	83.6k	item->qnext = NULL;
75	83.6k	item->queued = 0;
76
77	83.6k	memset(&item->aux_data, 0, sizeof(nghttp2_aux_data));
78	83.6k	}
79
80	135k	void nghttp2_outbound_item_free(nghttp2_outbound_item item, nghttp2_mem mem) {
81	135k	nghttp2_frame *frame;
82
83	135k	if (item == NULL) {
84	51.7k	return;
85	51.7k	}
86
87	83.6k	frame = &item->frame;
88
89	83.6k	switch (frame->hd.type) {
90	0	case NGHTTP2_DATA:
91	0	nghttp2_frame_data_free(&frame->data);
92	0	break;
93	0	case NGHTTP2_HEADERS:
94	0	nghttp2_frame_headers_free(&frame->headers, mem);
95	0	break;
96	0	case NGHTTP2_PRIORITY:
97	0	nghttp2_frame_priority_free(&frame->priority);
98	0	break;
99	24.1k	case NGHTTP2_RST_STREAM:
100	24.1k	nghttp2_frame_rst_stream_free(&frame->rst_stream);
101	24.1k	break;
102	53.3k	case NGHTTP2_SETTINGS:
103	53.3k	nghttp2_frame_settings_free(&frame->settings, mem);
104	53.3k	break;
105	0	case NGHTTP2_PUSH_PROMISE:
106	0	nghttp2_frame_push_promise_free(&frame->push_promise, mem);
107	0	break;
108	1.42k	case NGHTTP2_PING:
109	1.42k	nghttp2_frame_ping_free(&frame->ping);
110	1.42k	break;
111	4.53k	case NGHTTP2_GOAWAY:
112	4.53k	nghttp2_frame_goaway_free(&frame->goaway, mem);
113	4.53k	break;
114	183	case NGHTTP2_WINDOW_UPDATE:
115	183	nghttp2_frame_window_update_free(&frame->window_update);
116	183	break;
117	0	default: {
118	0	nghttp2_ext_aux_data *aux_data;
119
120	0	aux_data = &item->aux_data.ext;
121
122	0	if (aux_data->builtin == 0) {
123	0	nghttp2_frame_extension_free(&frame->ext);
124	0	break;
125	0	}
126
127	0	switch (frame->hd.type) {
128	0	case NGHTTP2_ALTSVC:
129	0	nghttp2_frame_altsvc_free(&frame->ext, mem);
130	0	break;
131	0	case NGHTTP2_ORIGIN:
132	0	nghttp2_frame_origin_free(&frame->ext, mem);
133	0	break;
134	0	case NGHTTP2_PRIORITY_UPDATE:
135	0	nghttp2_frame_priority_update_free(&frame->ext, mem);
136	0	break;
137	0	default:
138	0	assert(0);
139	0	break;
140	0	}
141	0	}
142	83.6k	}
143	83.6k	}
144
145	0	void nghttp2_outbound_queue_init(nghttp2_outbound_queue *q) {
146	0	*q = (nghttp2_outbound_queue){0};
147	0	}
148
149		void nghttp2_outbound_queue_push(nghttp2_outbound_queue *q,
150	83.6k	nghttp2_outbound_item *item) {
151	83.6k	if (q->tail) {
152	36.9k	q->tail = q->tail->qnext = item;
153	46.6k	} else {
154	46.6k	q->head = q->tail = item;
155	46.6k	}
156	83.6k	++q->n;
157	83.6k	}
158
159	83.6k	void nghttp2_outbound_queue_pop(nghttp2_outbound_queue *q) {
160	83.6k	nghttp2_outbound_item *item;
161	83.6k	if (!q->head) {
162	0	return;
163	0	}
164	83.6k	item = q->head;
165	83.6k	q->head = q->head->qnext;
166	83.6k	item->qnext = NULL;
167	83.6k	if (!q->head) {
168		q->tail = NULL;
169	46.6k	}
170	83.6k	--q->n;
171	83.6k	}

Coverage Report

Created: 2026-09-14 06:50