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submodule
mongoose
Commits
066be0fe
Commit
066be0fe
authored
Mar 20, 2017
by
Alexander Alashkin
Committed by
Cesanta Bot
Mar 20, 2017
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Add ajax_upload example
PUBLISHED_FROM=c5691d4321fff2e03f689b0195abd1ec6a188418
parent
380e87dd
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3 changed files
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135 additions
and
0 deletions
+135
-0
Makefile
examples/ajax_upload/Makefile
+3
-0
ajax_upload.c
examples/ajax_upload/ajax_upload.c
+85
-0
index.html
examples/ajax_upload/index.html
+47
-0
No files found.
examples/ajax_upload/Makefile
0 → 100644
View file @
066be0fe
PROG
=
ajax_upload
MODULE_CFLAGS
=
-DMG_ENABLE_HTTP_STREAMING_MULTIPART
include
../examples.mk
examples/ajax_upload/ajax_upload.c
0 → 100644
View file @
066be0fe
// Copyright (c) 2017 Cesanta Software Limited
// All rights reserved
#include "mongoose.h"
static
const
char
*
s_http_port
=
"8000"
;
static
struct
mg_serve_http_opts
s_http_server_opts
;
static
void
ev_handler
(
struct
mg_connection
*
nc
,
int
ev
,
void
*
p
)
{
if
(
ev
==
MG_EV_HTTP_REQUEST
)
{
mg_serve_http
(
nc
,
(
struct
http_message
*
)
p
,
s_http_server_opts
);
}
}
static
void
upload_handler
(
struct
mg_connection
*
nc
,
int
ev
,
void
*
p
)
{
(
void
)
nc
;
struct
http_message
*
hm
=
(
struct
http_message
*
)
p
;
if
(
ev
==
MG_EV_HTTP_REQUEST
)
{
char
file_name
[
256
];
FILE
*
f
=
NULL
;
if
(
mg_get_http_var
(
&
hm
->
query_string
,
"file_name"
,
file_name
,
sizeof
(
file_name
))
<=
0
)
{
mg_printf
(
nc
,
"%s"
,
"HTTP/1.1 500 File name is not specified
\r\n
"
"Content-Length: 0
\r\n\r\n
"
);
nc
->
flags
|=
MG_F_SEND_AND_CLOSE
;
goto
cleanup
;
}
printf
(
"Saving file %s, size %d bytes
\n
"
,
file_name
,
(
int
)
hm
->
body
.
len
);
f
=
fopen
(
file_name
,
"w"
);
if
(
f
==
NULL
)
{
mg_printf
(
nc
,
"%s"
,
"HTTP/1.1 500 Failed to open a file
\r\n
"
"Content-Length: 0
\r\n\r\n
"
);
nc
->
flags
|=
MG_F_SEND_AND_CLOSE
;
goto
cleanup
;
}
if
(
fwrite
(
hm
->
body
.
p
,
1
,
hm
->
body
.
len
,
f
)
!=
hm
->
body
.
len
)
{
mg_printf
(
nc
,
"%s"
,
"HTTP/1.1 500 Failed to write to a file
\r\n
"
"Content-Length: 0
\r\n\r\n
"
);
nc
->
flags
|=
MG_F_SEND_AND_CLOSE
;
goto
cleanup
;
}
mg_printf
(
nc
,
"%s"
,
"HTTP/1.1 200 OK
\r\n
"
"Content-Type: text/html
\r\n
"
"Connection: close
\r\n
"
"
\r\n
"
"File upload successfully"
);
nc
->
flags
|=
MG_F_SEND_AND_CLOSE
;
printf
(
"Done.
\n
"
);
cleanup:
if
(
f
!=
NULL
)
{
fclose
(
f
);
}
}
}
int
main
(
void
)
{
struct
mg_mgr
mgr
;
struct
mg_connection
*
nc
;
mg_mgr_init
(
&
mgr
,
NULL
);
printf
(
"Starting web server on port %s
\n
"
,
s_http_port
);
nc
=
mg_bind
(
&
mgr
,
s_http_port
,
ev_handler
);
if
(
nc
==
NULL
)
{
printf
(
"Failed to create listener
\n
"
);
return
1
;
}
mg_register_http_endpoint
(
nc
,
"/upload"
,
upload_handler
MG_UD_ARG
(
NULL
));
// Set up HTTP server parameters
mg_set_protocol_http_websocket
(
nc
);
s_http_server_opts
.
document_root
=
"."
;
// Serve current directory
s_http_server_opts
.
enable_directory_listing
=
"yes"
;
for
(;;)
{
mg_mgr_poll
(
&
mgr
,
1000
);
}
mg_mgr_free
(
&
mgr
);
return
0
;
}
examples/ajax_upload/index.html
0 → 100644
View file @
066be0fe
<!DOCTYPE html>
<html>
<head>
<title>
AJAX Upload Example
</title>
<script
src=
"//code.jquery.com/jquery-1.9.1.js"
></script>
<script
type=
"text/javascript"
>
function
updateProgress
(
evt
)
{
if
(
evt
.
lengthComputable
)
{
document
.
getElementById
(
"output"
).
textContent
=
"Uploaded "
+
evt
.
loaded
+
" of "
+
evt
.
total
+
" bytes"
;
}
}
function
uploadFile
()
{
var
file_name
=
$
(
'input[type=file]'
).
val
().
split
(
'
\
\'
).pop();
console.log("uploadFile: ", file_name)
var file_data = document.getElementById('
file
').files[0];
$.ajax({
url: "/upload?file_name=" + file_name,
type: "POST",
data: file_data,
processData: false,
contentType: false,
cache: false,
xhr: function() {
myXhr = $.ajaxSettings.xhr();
if(myXhr.upload){
myXhr.upload.addEventListener('
progress
',updateProgress, false); // for handling the progress of the upload
}
return myXhr;
},
}).done(function(data) {
document.getElementById("output").textContent = "Result: " + data;
});
return false;
}
</script>
</head>
<body>
<form
method=
"post"
id=
"filename"
name=
"filename"
onsubmit=
"return uploadFile();"
>
<label>
Select a file:
</label><br>
<input
type=
"file"
id=
"file"
name=
"file"
required
/>
<input
type=
"submit"
value=
"Upload"
/>
</form>
<br><br><div
id=
"output"
></div>
</body>
</html>
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