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Better docstring for file upload example

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This commit is contained in:
cpq 2021-03-18 12:23:03 +00:00
parent cc2989a848
commit a1862986b8
1 changed files with 13 additions and 4 deletions
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17
examples/form-upload/main.c
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@ -6,18 +6,27 @@
// HTTP request handler function. It implements the following endpoints:
// /upload - prints all submitted form elements
// all other URI - serves web_root/ directory
//
// ///////////////// IMPORTANT //////////////////////////
//
// Mongoose has a limit on input buffer, which also limits maximum upload size.
// It is controlled by the MG_MAX_RECV_BUF_SIZE constant, which is set by
// default to (3 * 1024 * 1024), i.e. 3 megabytes.
// Use -DMG_MAX_RECV_BUF_SIZE=NEW_LIMIT to override it.
//
static void cb(struct mg_connection *c, int ev, void *ev_data, void *fn_data) {
if (ev == MG_EV_HTTP_MSG) {
struct mg_http_message *hm = (struct mg_http_message *) ev_data;
LOG(LL_INFO, ("New request to: [%.*s]", (int) hm->uri.len, hm->uri.ptr));
LOG(LL_INFO, ("New request to: [%.*s], body size: %lu", (int) hm->uri.len,
hm->uri.ptr, (unsigned long) hm->body.len));
if (mg_http_match_uri(hm, "/upload")) {
struct mg_http_part part;
size_t ofs = 0;
while ((ofs = mg_http_next_multipart(hm->body, ofs, &part)) > 0) {
LOG(LL_INFO,
("Name: [%.*s] Filename: [%.*s] Body: [%.*s]", (int) part.name.len,
part.name.ptr, (int) part.filename.len, part.filename.ptr,
(int) part.body.len, part.body.ptr));
("Chunk name: [%.*s] filename: [%.*s] length: %lu bytes",
(int) part.name.len, part.name.ptr, (int) part.filename.len,
part.filename.ptr, (unsigned long) part.body.len));
}
mg_http_reply(c, 200, "", "Thank you!");
} else {