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Diffstat (limited to 'src/SamplePost.c')
| -rw-r--r-- | src/SamplePost.c | 244 |
1 files changed, 0 insertions, 244 deletions
diff --git a/src/SamplePost.c b/src/SamplePost.c deleted file mode 100644 index 6d5c44be..00000000 --- a/src/SamplePost.c +++ /dev/null @@ -1,244 +0,0 @@ -/* - * Copyright (C) 2015 "IoT.bzh" - * Author "Fulup Ar Foll" - * - * 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 3 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, see <http://www.gnu.org/licenses/>. - */ - -#include <sys/types.h> -#include <sys/select.h> -#include <sys/socket.h> -#include <microhttpd.h> - -#define PORT 8888 -#define POSTBUFFERSIZE 512 -#define MAXCLIENTS 2 - -#define GET 0 -#define POST 1 - -static unsigned int nr_of_uploading_clients = 0; - -struct connection_info_struct -{ - int connectiontype; - struct MHD_PostProcessor *postprocessor; - FILE *fp; - const char *answerstring; - int answercode; -}; - -const char *askpage = "<html><body>\n\ - Upload a file, please!<br>\n\ - There are %u clients uploading at the moment.<br>\n\ - <form action=\"/filepost\" method=\"post\" enctype=\"multipart/form-data\">\n\ - <input name=\"file\" type=\"file\">\n\ - <input type=\"submit\" value=\" Send \"></form>\n\ - </body></html>"; - -const char *busypage = - "<html><body>This server is busy, please try again later.</body></html>"; - -const char *completepage = - "<html><body>The upload has been completed.</body></html>"; - -const char *errorpage = - "<html><body>This doesn't seem to be right.</body></html>"; -const char *servererrorpage = - "<html><body>An internal server error has occured.</body></html>"; -const char *fileexistspage = - "<html><body>This file already exists.</body></html>"; - - -static int -send_page (struct MHD_Connection *connection, const char *page, - int status_code) -{ - int ret; - struct MHD_Response *response; - - response = - MHD_create_response_from_buffer (strlen (page), (void *) page, - MHD_RESPMEM_PERSISTENT); - if (!response) - return MHD_NO; - - ret = MHD_queue_response (connection, status_code, response); - MHD_destroy_response (response); - - return ret; -} - - -static int -iterate_post (void *coninfo_cls, enum MHD_ValueKind kind, const char *key, - const char *filename, const char *content_type, - const char *transfer_encoding, const char *data, uint64_t off, - size_t size) -{ - struct connection_info_struct *con_info = coninfo_cls; - FILE *fp; - - con_info->answerstring = servererrorpage; - con_info->answercode = MHD_HTTP_INTERNAL_SERVER_ERROR; - - if (0 != strcmp (key, "file")) - return MHD_NO; - - if (!con_info->fp) - { - if (NULL != (fp = fopen (filename, "rb"))) - { - fclose (fp); - con_info->answerstring = fileexistspage; - con_info->answercode = MHD_HTTP_FORBIDDEN; - return MHD_NO; - } - - con_info->fp = fopen (filename, "ab"); - if (!con_info->fp) - return MHD_NO; - } - - if (size > 0) - { - if (!fwrite (data, size, sizeof (char), con_info->fp)) - return MHD_NO; - } - - con_info->answerstring = completepage; - con_info->answercode = MHD_HTTP_OK; - - return MHD_YES; -} - -static void -request_completed (void *cls, struct MHD_Connection *connection, - void **con_cls, enum MHD_RequestTerminationCode toe) -{ - struct connection_info_struct *con_info = *con_cls; - - if (NULL == con_info) - return; - - if (con_info->connectiontype == POST) - { - if (NULL != con_info->postprocessor) - { - MHD_destroy_post_processor (con_info->postprocessor); - nr_of_uploading_clients--; - } - - if (con_info->fp) - fclose (con_info->fp); - } - - free (con_info); - *con_cls = NULL; -} - - -static int -answer_to_connection (void *cls, struct MHD_Connection *connection, - const char *url, const char *method, - const char *version, const char *upload_data, - size_t *upload_data_size, void **con_cls) -{ - if (NULL == *con_cls) - { - struct connection_info_struct *con_info; - - if (nr_of_uploading_clients >= MAXCLIENTS) - return send_page (connection, busypage, MHD_HTTP_SERVICE_UNAVAILABLE); - - con_info = malloc (sizeof (struct connection_info_struct)); - if (NULL == con_info) - return MHD_NO; - - con_info->fp = NULL; - - if (0 == strcmp (method, "POST")) - { - con_info->postprocessor = - MHD_create_post_processor (connection, POSTBUFFERSIZE, - iterate_post, (void *) con_info); - - if (NULL == con_info->postprocessor) - { - free (con_info); - return MHD_NO; - } - - nr_of_uploading_clients++; - - con_info->connectiontype = POST; - con_info->answercode = MHD_HTTP_OK; - con_info->answerstring = completepage; - } - else - con_info->connectiontype = GET; - - *con_cls = (void *) con_info; - - return MHD_YES; - } - - if (0 == strcmp (method, "GET")) - { - int ret; - char buffer[1024]; - - sprintf (buffer, askpage, nr_of_uploading_clients); - return send_page (connection, buffer, MHD_HTTP_OK); - } - - if (0 == strcmp (method, "POST")) - { - struct connection_info_struct *con_info = *con_cls; - - if (0 != *upload_data_size) - { - MHD_post_process (con_info->postprocessor, upload_data, - *upload_data_size); - *upload_data_size = 0; - - return MHD_YES; - } - else - return send_page (connection, con_info->answerstring, - con_info->answercode); - } - - return send_page (connection, errorpage, MHD_HTTP_BAD_REQUEST); -} - -int -main () -{ - struct MHD_Daemon *daemon; - - - daemon = MHD_start_daemon (MHD_USE_SELECT_INTERNALLY, PORT, NULL, NULL, - &answer_to_connection, NULL, - MHD_OPTION_NOTIFY_COMPLETED, request_completed, - NULL, MHD_OPTION_END); - if (NULL == daemon) - return 1; - - getchar (); - - MHD_stop_daemon (daemon); - - return 0; -}
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