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// SPDX-License-Identifier: GPL-3.0-or-later
#ifndef HTTPD_STREAMING_H
#define HTTPD_STREAMING_H
#include "aclk/mqtt_websockets/c-rbuf/cringbuffer.h"
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-parameter"
#pragma GCC diagnostic ignored "-Wunused-but-set-variable"
#pragma GCC diagnostic ignored "-Wtype-limits"
#include "h2o.h"
#pragma GCC diagnostic pop
typedef enum {
STREAM_X_HTTP_1_1 = 0,
STREAM_X_HTTP_1_1_DONE,
STREAM_ACTIVE,
STREAM_CLOSE
} h2o_stream_state_t;
typedef enum {
HTTP_STREAM = 0,
HTTP_URL,
HTTP_PROTO,
HTTP_USER_AGENT_KEY,
HTTP_USER_AGENT_VALUE,
HTTP_HDR,
HTTP_DONE
} http_stream_parse_state_t;
typedef struct {
h2o_socket_t *sock;
h2o_stream_state_t state;
rbuf_t rx;
pthread_cond_t rx_buf_cond;
pthread_mutex_t rx_buf_lock;
rbuf_t tx;
h2o_iovec_t tx_buf;
pthread_mutex_t tx_buf_lock;
http_stream_parse_state_t parse_state;
char *url;
char *user_agent;
int shutdown;
} h2o_stream_conn_t;
// h2o_stream_conn_t related functions
void h2o_stream_conn_t_init(h2o_stream_conn_t *conn);
void h2o_stream_conn_t_destroy(h2o_stream_conn_t *conn);
// streaming upgrade related functions
int is_streaming_handshake(h2o_req_t *req);
void stream_on_complete(void *user_data, h2o_socket_t *sock, size_t reqsize);
// read and write functions to be used by streaming parser
int h2o_stream_write(void *ctx, const char *data, size_t data_len);
size_t h2o_stream_read(void *ctx, char *buf, size_t read_bytes);
// call this periodically to check if there are any pending write requests
void h2o_stream_check_pending_write_reqs(void);
#endif /* HTTPD_STREAMING_H */
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