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Introducing websocket support in router and libunit.

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This commit is contained in:
Max Romanov
2019-08-20 16:31:53 +03:00
parent 9bbf54e23e
commit e501c74ddc
29 changed files with 3545 additions and 451 deletions
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32
src/nxt_unit.h
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@@ -9,6 +9,7 @@
#include <inttypes.h>
#include <sys/types.h>
#include <sys/uio.h>
#include <string.h>
#include "nxt_version.h"
@@ -106,17 +107,24 @@ struct nxt_unit_request_info_s {
void *data;
};
/*
* Set of application-specific callbacks. Application may leave all optional
* callbacks as NULL.
*/
struct nxt_unit_callbacks_s {
/*
* Process request data. Unlike all other callback, this callback
* Process request. Unlike all other callback, this callback
* need to be defined by application.
*/
void (*request_handler)(nxt_unit_request_info_t *req);
/* Process websocket frame. */
void (*websocket_handler)(nxt_unit_websocket_frame_t *ws);
/* Connection closed. */
void (*close_handler)(nxt_unit_request_info_t *req);
/* Add new Unit port to communicate with process pid. Optional. */
int (*add_port)(nxt_unit_ctx_t *, nxt_unit_port_t *port);
@@ -293,6 +301,14 @@ int nxt_unit_response_is_sent(nxt_unit_request_info_t *req);
nxt_unit_buf_t *nxt_unit_response_buf_alloc(nxt_unit_request_info_t *req,
uint32_t size);
int nxt_unit_request_is_websocket_handshake(nxt_unit_request_info_t *req);
int nxt_unit_response_upgrade(nxt_unit_request_info_t *req);
int nxt_unit_response_is_websocket(nxt_unit_request_info_t *req);
nxt_unit_request_info_t *nxt_unit_get_request_info_from_data(void *data);
int nxt_unit_buf_send(nxt_unit_buf_t *buf);
void nxt_unit_buf_free(nxt_unit_buf_t *buf);
@@ -315,6 +331,20 @@ ssize_t nxt_unit_request_read(nxt_unit_request_info_t *req, void *dst,
void nxt_unit_request_done(nxt_unit_request_info_t *req, int rc);
int nxt_unit_websocket_send(nxt_unit_request_info_t *req, uint8_t opcode,
uint8_t last, const void *start, size_t size);
int nxt_unit_websocket_sendv(nxt_unit_request_info_t *req, uint8_t opcode,
uint8_t last, const struct iovec *iov, int iovcnt);
ssize_t nxt_unit_websocket_read(nxt_unit_websocket_frame_t *ws, void *dst,
size_t size);
int nxt_unit_websocket_retain(nxt_unit_websocket_frame_t *ws);
void nxt_unit_websocket_done(nxt_unit_websocket_frame_t *ws);
void nxt_unit_log(nxt_unit_ctx_t *ctx, int level, const char* fmt, ...);
void nxt_unit_req_log(nxt_unit_request_info_t *req, int level,