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#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "mongoose.h"
static int handle_request(struct mg_connection *conn) {
if (strcmp(conn->uri, "/upload") == 0) {
FILE *fp = (FILE *) conn->connection_param;
if (fp != NULL) {
fwrite(conn->content, 1, conn->content_len, fp); // Write last bits
mg_printf(conn, "HTTP/1.1 200 OK\r\n"
"Content-Type: text/plain\r\n"
"Connection: close\r\n\r\n"
"Written %ld of POST data to a temp file:\n\n",
(long) ftell(fp));
// Temp file will be destroyed after fclose(), do something with the
// data here -- for example, parse it and extract uploaded files.
// As an example, we just echo the whole POST buffer back to the client.
rewind(fp);
mg_send_file_data(conn, fileno(fp));
return MG_MORE; // Tell Mongoose reply is not completed yet
} else {
mg_printf_data(conn, "%s", "Had no data to write...");
return MG_TRUE; // Tell Mongoose we're done with this request
}
} else {
mg_printf_data(conn, "%s",
"<html><body>Upload example."
"<form method=\"POST\" action=\"/upload\" "
" enctype=\"multipart/form-data\">"
"<input type=\"file\" name=\"file\" /> <br/>"
"<input type=\"submit\" value=\"Upload\" />"
"</form></body></html>");
return MG_TRUE; // Tell mongoose to close this connection
// Mongoose sends MG_RECV for every received POST chunk.
// When last POST chunk is received, Mongoose sends MG_REQUEST, then MG_CLOSE.
static int handle_recv(struct mg_connection *conn) {
FILE *fp = (FILE *) conn->connection_param;
// Open temporary file where we going to write data
if (fp == NULL && ((conn->connection_param = fp = tmpfile())) == NULL) {
return -1; // Close connection on error
}
// Return number of bytes written to a temporary file: that is how many
// bytes we want to discard from the receive buffer
return fwrite(conn->content, 1, conn->content_len, fp);
}
// Make sure we free all allocated resources
static int handle_close(struct mg_connection *conn) {
if (conn->connection_param != NULL) {
fclose((FILE *) conn->connection_param);
conn->connection_param = NULL;
}
static int ev_handler(struct mg_connection *conn, enum mg_event ev) {
switch (ev) {
case MG_AUTH: return MG_TRUE;
case MG_REQUEST: return handle_request(conn);
case MG_RECV: return handle_recv(conn);
case MG_CLOSE: return handle_close(conn);
default: return MG_FALSE;
}
}
int main(void) {
struct mg_server *server = mg_create_server(NULL, ev_handler);
mg_set_option(server, "listening_port", "8080");
printf("Starting on port %s\n", mg_get_option(server, "listening_port"));
for (;;) {
mg_poll_server(server, 1000);
}
mg_destroy_server(&server);
return 0;
}