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Add HTTP webserver feature (for testing only at the moment)

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This commit is contained in:
David Capello 2013-03-31 00:36:00 -03:00
parent ce6b186e1b
commit 2364776c44
14 changed files with 6013 additions and 0 deletions
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2
CMakeLists.txt
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@ -41,6 +41,7 @@ option(USE_SHARED_GTEST "Use your installed copy of gtest" off)
option(USE_SHARED_ALLEGRO4 "Use shared Allegro 4 library (without resize support)" off)
option(ENABLE_MEMLEAK "Enable memory-leaks detector (only for developers)" off)
option(ENABLE_UPDATER "Enable automatic check for updates" on)
option(ENABLE_WEBSERVER "Enable support to run a webserver (for HTML5 gamedev)" off)
option(FULLSCREEN_PLATFORM "Enable fullscreen by default" off)
######################################################################
@ -80,6 +81,7 @@ set(LIBFREETYPE_DIR ${CMAKE_SOURCE_DIR}/third_party/freetype)
set(LIBJPEG_DIR ${CMAKE_SOURCE_DIR}/third_party/jpeg)
set(LIBPNG_DIR ${CMAKE_SOURCE_DIR}/third_party/libpng)
set(LOADPNG_DIR ${CMAKE_SOURCE_DIR}/third_party/loadpng)
set(MONGOOSE_DIR ${CMAKE_SOURCE_DIR}/third_party/mongoose)
set(TINYXML_DIR ${CMAKE_SOURCE_DIR}/third_party/tinyxml)
set(ZLIB_DIR ${CMAKE_SOURCE_DIR}/third_party/zlib)

1
README.md
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@ -87,6 +87,7 @@ of the following projects created by third-parties:
* [GIMP](http://www.gimp.org/) - [GPL license](https://github.com/dacap/aseprite/tree/master/docs/licenses/GPL.txt)
* [GTK+](http://www.gtk.org/) - [LGPL license](https://github.com/dacap/aseprite/tree/master/docs/licenses/LGPL-2.1.txt)
* [Google Test](http://code.google.com/p/googletest/) - [gtest license](https://github.com/dacap/aseprite/tree/master/docs/licenses/gtest-LICENSE.txt)
* [mongoose](https://github.com/valenok/mongoose) - [MIT license](https://github.com/valenok/mongoose/blob/master/LICENSE)
* [libart](http://www.levien.com/libart/) - [LGPL license](https://github.com/dacap/aseprite/tree/master/docs/licenses/LGPL-2.0.txt)
* [libjpeg](http://www.ijg.org/) - [libjpeg license](https://github.com/dacap/aseprite/tree/master/docs/licenses/libjpeg-LICENSE.txt)
* [libpng](http://www.libpng.org/pub/png/) - [libpng license](https://github.com/dacap/aseprite/tree/master/docs/licenses/libpng-LICENSE.txt)

11
src/CMakeLists.txt
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@ -112,6 +112,16 @@ if(ENABLE_UPDATER)
add_subdirectory(updater)
endif()
if(ENABLE_WEBSERVER)
set(libs3rdparty ${libs3rdparty} mongoose)
include_directories(${MONGOOSE_DIR})
set(aseprite_libraries ${aseprite_libraries} webserver-lib)
add_definitions(-DENABLE_WEBSERVER)
add_subdirectory(webserver)
endif()
if(USE_SHARED_ALLEGRO4)
# Find the shared Allegro 4 library
find_library(LIBALLEGRO4_LIBRARY alleg)
@ -194,6 +204,7 @@ add_library(aseprite-library
app/data_recovery.cpp
app/file_selector.cpp
app/project.cpp
app/webserver.cpp
app/widget_loader.cpp
commands/cmd_about.cpp
commands/cmd_advanced_mode.cpp

7
src/app.cpp
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@ -26,6 +26,7 @@
#include "app/data_recovery.h"
#include "app/find_widget.h"
#include "app/load_widget.h"
#include "app/webserver.h"
#include "base/exception.h"
#include "base/unique_ptr.h"
#include "commands/commands.h"
@ -211,6 +212,12 @@ int App::run()
checkUpdate.launch();
#endif
#ifdef ENABLE_WEBSERVER
// Launch the webserver.
app::WebServer webServer;
webServer.start();
#endif
// Run the GUI main message loop
gui_run();

46
src/app/webserver.cpp Normal file
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@ -0,0 +1,46 @@
/* ASEPRITE
* Copyright (C) 2001-2013 David Capello
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#ifdef ENABLE_WEBSERVER
#include "app/webserver.h"
#include "webserver/webserver.h"
namespace app {
WebServer::WebServer()
: m_webServer(NULL)
{
}
WebServer::~WebServer()
{
delete m_webServer;
}
void WebServer::start()
{
m_webServer = new webserver::WebServer;
}
}
#endif // ENABLE_WEBSERVER

44
src/app/webserver.h Normal file
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@ -0,0 +1,44 @@
/* ASEPRITE
* Copyright (C) 2001-2013 David Capello
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef APP_WEBSERVER_H_INCLUDED
#define APP_WEBSERVER_H_INCLUDED
#ifdef ENABLE_WEBSERVER
#include "webserver/webserver.h"
namespace app {
class WebServer
{
public:
WebServer();
~WebServer();
void start();
private:
webserver::WebServer* m_webServer;
};
}
#endif // ENABLE_WEBSERVER
#endif // APP_WEBSERVER_H_INCLUDED

5
src/webserver/CMakeLists.txt Normal file
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@ -0,0 +1,5 @@
# ASEPRITE
# Copyright (C) 2001-2013 David Capello
add_library(webserver-lib
webserver.cpp)

92
src/webserver/webserver.cpp Normal file
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@ -0,0 +1,92 @@
/* ASEPRITE
* Copyright (C) 2001-2013 David Capello
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include "webserver/webserver.h"
#include "base/bind.h"
#include "mongoose.h"
#include <sstream>
namespace webserver {
static int begin_request_handler(mg_connection* conn);
class WebServer::WebServerImpl
{
public:
WebServerImpl() {
const char* options[] = { "listening_ports", "10453", NULL};
memset(&m_callbacks, 0, sizeof(m_callbacks));
m_callbacks.begin_request = &begin_request_handler;
m_context = mg_start(&m_callbacks, (void*)this, options);
}
~WebServerImpl() {
mg_stop(m_context);
}
int onBeginRequest(mg_connection* conn) {
const mg_request_info* request_info = mg_get_request_info(conn);
std::stringstream content;
// Prepare the message we're going to send
content << PACKAGE << " v" << VERSION;
// Send HTTP reply to the client
std::string contentStr = content.str();
mg_printf(conn,
"HTTP/1.1 200 OK\r\n"
"Content-Type: text/plain\r\n"
"Content-Length: %d\r\n"
"\r\n"
"%s",
contentStr.size(), contentStr.c_str());
// Returning non-zero tells mongoose that our function has replied to
// the client, and mongoose should not send client any more data.
return 1;
}
private:
mg_context* m_context;
mg_callbacks m_callbacks;
};
static int begin_request_handler(mg_connection* conn)
{
const mg_request_info* request_info = mg_get_request_info(conn);
WebServer::WebServerImpl* webServer = reinterpret_cast<WebServer::WebServerImpl*>(request_info->user_data);
return webServer->onBeginRequest(conn);
}
WebServer::WebServer()
: m_impl(new WebServerImpl)
{
}
WebServer::~WebServer()
{
delete m_impl;
}
}

42
src/webserver/webserver.h Normal file
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@ -0,0 +1,42 @@
/* ASEPRITE
* Copyright (C) 2001-2013 David Capello
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef WEBSERVER_WEBSERVER_H_INCLUDED
#define WEBSERVER_WEBSERVER_H_INCLUDED
#include "base/disable_copying.h"
namespace webserver {
class WebServer
{
public:
class WebServerImpl;
WebServer();
~WebServer();
private:
WebServerImpl* m_impl;
DISABLE_COPYING(WebServer);
};
} // namespace webserver
#endif

4
third_party/CMakeLists.txt vendored
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@ -39,3 +39,7 @@ endif()
if(NOT USE_SHARED_LIBLOADPNG)
add_subdirectory(loadpng)
endif()
if(ENABLE_WEBSERVER)
add_subdirectory(mongoose)
endif()

5
third_party/mongoose/CMakeLists.txt vendored Normal file
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@ -0,0 +1,5 @@
# ASEPRITE
# Copyright (C) 2001-2013 David Capello
add_library(mongoose
mongoose.c)

19
third_party/mongoose/LICENSE vendored Normal file
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@ -0,0 +1,19 @@
Copyright (c) 2004-2013 Sergey Lyubka
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.

5385
third_party/mongoose/mongoose.c vendored Normal file
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File diff suppressed because it is too large Load Diff

350
third_party/mongoose/mongoose.h vendored Normal file
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@ -0,0 +1,350 @@
// Copyright (c) 2004-2012 Sergey Lyubka
//
// 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.
#ifndef MONGOOSE_HEADER_INCLUDED
#define MONGOOSE_HEADER_INCLUDED
#include <stdio.h>
#include <stddef.h>
#ifdef __cplusplus
extern "C" {
#endif // __cplusplus
struct mg_context; // Handle for the HTTP service itself
struct mg_connection; // Handle for the individual connection
// This structure contains information about the HTTP request.
struct mg_request_info {
const char *request_method; // "GET", "POST", etc
const char *uri; // URL-decoded URI
const char *http_version; // E.g. "1.0", "1.1"
const char *query_string; // URL part after '?', not including '?', or NULL
const char *remote_user; // Authenticated user, or NULL if no auth used
long remote_ip; // Client's IP address
int remote_port; // Client's port
int is_ssl; // 1 if SSL-ed, 0 if not
void *user_data; // User data pointer passed to mg_start()
int num_headers; // Number of HTTP headers
struct mg_header {
const char *name; // HTTP header name
const char *value; // HTTP header value
} http_headers[64]; // Maximum 64 headers
};
// This structure needs to be passed to mg_start(), to let mongoose know
// which callbacks to invoke. For detailed description, see
// https://github.com/valenok/mongoose/blob/master/UserManual.md
struct mg_callbacks {
// Called when mongoose has received new HTTP request.
// If callback returns non-zero,
// callback must process the request by sending valid HTTP headers and body,
// and mongoose will not do any further processing.
// If callback returns 0, mongoose processes the request itself. In this case,
// callback must not send any data to the client.
int (*begin_request)(struct mg_connection *);
// Called when mongoose has finished processing request.
void (*end_request)(const struct mg_connection *, int reply_status_code);
// Called when mongoose is about to log a message. If callback returns
// non-zero, mongoose does not log anything.
int (*log_message)(const struct mg_connection *, const char *message);
// Called when mongoose initializes SSL library.
int (*init_ssl)(void *ssl_context, void *user_data);
// Called when websocket request is received, before websocket handshake.
// If callback returns 0, mongoose proceeds with handshake, otherwise
// cinnection is closed immediately.
int (*websocket_connect)(const struct mg_connection *);
// Called when websocket handshake is successfully completed, and
// connection is ready for data exchange.
void (*websocket_ready)(struct mg_connection *);
// Called when data frame has been received from the client.
// Parameters:
// bits: first byte of the websocket frame, see websocket RFC at
// http://tools.ietf.org/html/rfc6455, section 5.2
// data, data_len: payload, with mask (if any) already applied.
// Return value:
// 0: keep this websocket connection opened.
// non-0: close this websocket connection.
int (*websocket_data)(struct mg_connection *, int bits,
char *data, size_t data_len);
// Called when mongoose tries to open a file. Used to intercept file open
// calls, and serve file data from memory instead.
// Parameters:
// path: Full path to the file to open.
// data_len: Placeholder for the file size, if file is served from memory.
// Return value:
// NULL: do not serve file from memory, proceed with normal file open.
// non-NULL: pointer to the file contents in memory. data_len must be
// initilized with the size of the memory block.
const char * (*open_file)(const struct mg_connection *,
const char *path, size_t *data_len);
// Called when mongoose is about to serve Lua server page (.lp file), if
// Lua support is enabled.
// Parameters:
// lua_context: "lua_State *" pointer.
void (*init_lua)(struct mg_connection *, void *lua_context);
// Called when mongoose has uploaded a file to a temporary directory as a
// result of mg_upload() call.
// Parameters:
// file_file: full path name to the uploaded file.
void (*upload)(struct mg_connection *, const char *file_name);
// Called when mongoose is about to send HTTP error to the client.
// Implementing this callback allows to create custom error pages.
// Parameters:
// status: HTTP error status code.
int (*http_error)(struct mg_connection *, int status);
};
// Start web server.
//
// Parameters:
// callbacks: mg_callbacks structure with user-defined callbacks.
// options: NULL terminated list of option_name, option_value pairs that
// specify Mongoose configuration parameters.
//
// Side-effects: on UNIX, ignores SIGCHLD and SIGPIPE signals. If custom
// processing is required for these, signal handlers must be set up
// after calling mg_start().
//
//
// Example:
// const char *options[] = {
// "document_root", "/var/www",
// "listening_ports", "80,443s",
// NULL
// };
// struct mg_context *ctx = mg_start(&my_func, NULL, options);
//
// Refer to https://github.com/valenok/mongoose/blob/master/UserManual.md
// for the list of valid option and their possible values.
//
// Return:
// web server context, or NULL on error.
struct mg_context *mg_start(const struct mg_callbacks *callbacks,
void *user_data,
const char **configuration_options);
// Stop the web server.
//
// Must be called last, when an application wants to stop the web server and
// release all associated resources. This function blocks until all Mongoose
// threads are stopped. Context pointer becomes invalid.
void mg_stop(struct mg_context *);
// Get the value of particular configuration parameter.
// The value returned is read-only. Mongoose does not allow changing
// configuration at run time.
// If given parameter name is not valid, NULL is returned. For valid
// names, return value is guaranteed to be non-NULL. If parameter is not
// set, zero-length string is returned.
const char *mg_get_option(const struct mg_context *ctx, const char *name);
// Return array of strings that represent valid configuration options.
// For each option, a short name, long name, and default value is returned.
// Array is NULL terminated.
const char **mg_get_valid_option_names(void);
// Add, edit or delete the entry in the passwords file.
//
// This function allows an application to manipulate .htpasswd files on the
// fly by adding, deleting and changing user records. This is one of the
// several ways of implementing authentication on the server side. For another,
// cookie-based way please refer to the examples/chat.c in the source tree.
//
// If password is not NULL, entry is added (or modified if already exists).
// If password is NULL, entry is deleted.
//
// Return:
// 1 on success, 0 on error.
int mg_modify_passwords_file(const char *passwords_file_name,
const char *domain,
const char *user,
const char *password);
// Return information associated with the request.
struct mg_request_info *mg_get_request_info(struct mg_connection *);
// Send data to the client.
// Return:
// 0 when the connection has been closed
// -1 on error
// >0 number of bytes written on success
int mg_write(struct mg_connection *, const void *buf, size_t len);
// Macros for enabling compiler-specific checks for printf-like arguments.
#undef PRINTF_FORMAT_STRING
#if _MSC_VER >= 1400
#include <sal.h>
#if _MSC_VER > 1400
#define PRINTF_FORMAT_STRING(s) _Printf_format_string_ s
#else
#define PRINTF_FORMAT_STRING(s) __format_string s
#endif
#else
#define PRINTF_FORMAT_STRING(s) s
#endif
#ifdef __GNUC__
#define PRINTF_ARGS(x, y) __attribute__((format(printf, x, y)))
#else
#define PRINTF_ARGS(x, y)
#endif
// Send data to the client using printf() semantics.
//
// Works exactly like mg_write(), but allows to do message formatting.
int mg_printf(struct mg_connection *,
PRINTF_FORMAT_STRING(const char *fmt), ...) PRINTF_ARGS(2, 3);
// Send contents of the entire file together with HTTP headers.
void mg_send_file(struct mg_connection *conn, const char *path);
// Read data from the remote end, return number of bytes read.
int mg_read(struct mg_connection *, void *buf, size_t len);
// Get the value of particular HTTP header.
//
// This is a helper function. It traverses request_info->http_headers array,
// and if the header is present in the array, returns its value. If it is
// not present, NULL is returned.
const char *mg_get_header(const struct mg_connection *, const char *name);
// Get a value of particular form variable.
//
// Parameters:
// data: pointer to form-uri-encoded buffer. This could be either POST data,
// or request_info.query_string.
// data_len: length of the encoded data.
// var_name: variable name to decode from the buffer
// dst: destination buffer for the decoded variable
// dst_len: length of the destination buffer
//
// Return:
// On success, length of the decoded variable.
// On error:
// -1 (variable not found).
// -2 (destination buffer is NULL, zero length or too small to hold the
// decoded variable).
//
// Destination buffer is guaranteed to be '\0' - terminated if it is not
// NULL or zero length.
int mg_get_var(const char *data, size_t data_len,
const char *var_name, char *dst, size_t dst_len);
// Fetch value of certain cookie variable into the destination buffer.
//
// Destination buffer is guaranteed to be '\0' - terminated. In case of
// failure, dst[0] == '\0'. Note that RFC allows many occurrences of the same
// parameter. This function returns only first occurrence.
//
// Return:
// On success, value length.
// On error:
// -1 (either "Cookie:" header is not present at all or the requested
// parameter is not found).
// -2 (destination buffer is NULL, zero length or too small to hold the
// value).
int mg_get_cookie(const struct mg_connection *,
const char *cookie_name, char *buf, size_t buf_len);
// Download data from the remote web server.
// host: host name to connect to, e.g. "foo.com", or "10.12.40.1".
// port: port number, e.g. 80.
// use_ssl: wether to use SSL connection.
// error_buffer, error_buffer_size: error message placeholder.
// request_fmt,...: HTTP request.
// Return:
// On success, valid pointer to the new connection, suitable for mg_read().
// On error, NULL. error_buffer contains error message.
// Example:
// char ebuf[100];
// struct mg_connection *conn;
// conn = mg_download("google.com", 80, 0, ebuf, sizeof(ebuf),
// "%s", "GET / HTTP/1.0\r\nHost: google.com\r\n\r\n");
struct mg_connection *mg_download(const char *host, int port, int use_ssl,
char *error_buffer, size_t error_buffer_size,
PRINTF_FORMAT_STRING(const char *request_fmt),
...) PRINTF_ARGS(6, 7);
// Close the connection opened by mg_download().
void mg_close_connection(struct mg_connection *conn);
// File upload functionality. Each uploaded file gets saved into a temporary
// file and MG_UPLOAD event is sent.
// Return number of uploaded files.
int mg_upload(struct mg_connection *conn, const char *destination_dir);
// Convenience function -- create detached thread.
// Return: 0 on success, non-0 on error.
typedef void * (*mg_thread_func_t)(void *);
int mg_start_thread(mg_thread_func_t f, void *p);
// Return builtin mime type for the given file name.
// For unrecognized extensions, "text/plain" is returned.
const char *mg_get_builtin_mime_type(const char *file_name);
// Return Mongoose version.
const char *mg_version(void);
// MD5 hash given strings.
// Buffer 'buf' must be 33 bytes long. Varargs is a NULL terminated list of
// ASCIIz strings. When function returns, buf will contain human-readable
// MD5 hash. Example:
// char buf[33];
// mg_md5(buf, "aa", "bb", NULL);
char *mg_md5(char buf[33], ...);
#ifdef __cplusplus
}
#endif // __cplusplus
#endif // MONGOOSE_HEADER_INCLUDED