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mg_internal.h
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/*
* Copyright (c) 2014 Cesanta Software Limited
* All rights reserved
*/
#ifndef CS_MONGOOSE_SRC_INTERNAL_H_
#define CS_MONGOOSE_SRC_INTERNAL_H_
#include "common/mg_mem.h"
#ifndef MBUF_REALLOC
#define MBUF_REALLOC MG_REALLOC
#endif
#ifndef MBUF_FREE
#define MBUF_FREE MG_FREE
#endif
#define MG_SET_PTRPTR(_ptr, _v) \
do { \
if (_ptr) *(_ptr) = _v; \
} while (0)
#ifndef MG_INTERNAL
#define MG_INTERNAL static
#endif
#ifdef PICOTCP
#define NO_LIBC
#define MG_DISABLE_PFS
#endif
#include "common/cs_dbg.h"
#include "mg_http.h"
#include "mg_net.h"
#define MG_CTL_MSG_MESSAGE_SIZE 8192
/* internals that need to be accessible in unit tests */
MG_INTERNAL struct mg_connection *mg_do_connect(struct mg_connection *nc,
int proto,
union socket_address *sa);
MG_INTERNAL int mg_parse_address(const char *str, union socket_address *sa,
int *proto, char *host, size_t host_len);
MG_INTERNAL void mg_call(struct mg_connection *nc,
mg_event_handler_t ev_handler, void *user_data, int ev,
void *ev_data);
void mg_forward(struct mg_connection *from, struct mg_connection *to);
MG_INTERNAL void mg_add_conn(struct mg_mgr *mgr, struct mg_connection *c);
MG_INTERNAL void mg_remove_conn(struct mg_connection *c);
MG_INTERNAL struct mg_connection *mg_create_connection(
struct mg_mgr *mgr, mg_event_handler_t callback,
struct mg_add_sock_opts opts);
#ifdef _WIN32
/* Retur value is the same as for MultiByteToWideChar. */
int to_wchar(const char *path, wchar_t *wbuf, size_t wbuf_len);
#endif
struct ctl_msg {
mg_event_handler_t callback;
char message[MG_CTL_MSG_MESSAGE_SIZE];
};
#if MG_ENABLE_MQTT
struct mg_mqtt_message;
#define MG_MQTT_ERROR_INCOMPLETE_MSG -1
#define MG_MQTT_ERROR_MALFORMED_MSG -2
MG_INTERNAL int parse_mqtt(struct mbuf *io, struct mg_mqtt_message *mm);
#endif
/* Forward declarations for testing. */
extern void *(*test_malloc)(size_t size);
extern void *(*test_calloc)(size_t count, size_t size);
#ifndef MIN
#define MIN(a, b) ((a) < (b) ? (a) : (b))
#endif
#if MG_ENABLE_HTTP
struct mg_serve_http_opts;
/*
* Reassemble the content of the buffer (buf, blen) which should be
* in the HTTP chunked encoding, by collapsing data chunks to the
* beginning of the buffer.
*
* If chunks get reassembled, modify hm->body to point to the reassembled
* body and fire MG_EV_HTTP_CHUNK event. If handler sets MG_F_DELETE_CHUNK
* in nc->flags, delete reassembled body from the mbuf.
*
* Return reassembled body size.
*/
MG_INTERNAL size_t mg_handle_chunked(struct mg_connection *nc,
struct http_message *hm, char *buf,
size_t blen);
#if MG_ENABLE_FILESYSTEM
MG_INTERNAL int mg_uri_to_local_path(struct http_message *hm,
const struct mg_serve_http_opts *opts,
char **local_path,
struct mg_str *remainder);
MG_INTERNAL time_t mg_parse_date_string(const char *datetime);
MG_INTERNAL int mg_is_not_modified(struct http_message *hm, cs_stat_t *st);
#endif
#if MG_ENABLE_HTTP_CGI
MG_INTERNAL void mg_handle_cgi(struct mg_connection *nc, const char *prog,
const struct mg_str *path_info,
const struct http_message *hm,
const struct mg_serve_http_opts *opts);
struct mg_http_proto_data_cgi;
MG_INTERNAL void mg_http_free_proto_data_cgi(struct mg_http_proto_data_cgi *d);
#endif
#if MG_ENABLE_HTTP_SSI
MG_INTERNAL void mg_handle_ssi_request(struct mg_connection *nc,
struct http_message *hm,
const char *path,
const struct mg_serve_http_opts *opts);
#endif
#if MG_ENABLE_HTTP_WEBDAV
MG_INTERNAL int mg_is_dav_request(const struct mg_str *s);
MG_INTERNAL void mg_handle_propfind(struct mg_connection *nc, const char *path,
cs_stat_t *stp, struct http_message *hm,
struct mg_serve_http_opts *opts);
MG_INTERNAL void mg_handle_lock(struct mg_connection *nc, const char *path);
MG_INTERNAL void mg_handle_mkcol(struct mg_connection *nc, const char *path,
struct http_message *hm);
MG_INTERNAL void mg_handle_move(struct mg_connection *c,
const struct mg_serve_http_opts *opts,
const char *path, struct http_message *hm);
MG_INTERNAL void mg_handle_delete(struct mg_connection *nc,
const struct mg_serve_http_opts *opts,
const char *path);
MG_INTERNAL void mg_handle_put(struct mg_connection *nc, const char *path,
struct http_message *hm);
#endif
#if MG_ENABLE_HTTP_WEBSOCKET
MG_INTERNAL void mg_ws_handler(struct mg_connection *nc, int ev,
void *ev_data MG_UD_ARG(void *user_data));
MG_INTERNAL void mg_ws_handshake(struct mg_connection *nc,
const struct mg_str *key,
struct http_message *);
#endif
#endif /* MG_ENABLE_HTTP */
MG_INTERNAL int mg_get_errno(void);
MG_INTERNAL void mg_close_conn(struct mg_connection *conn);
#if MG_ENABLE_SNTP
MG_INTERNAL int mg_sntp_parse_reply(const char *buf, int len,
struct mg_sntp_message *msg);
#endif
#endif /* CS_MONGOOSE_SRC_INTERNAL_H_ */