| /* Feel free to use this example code in any way |
| you see fit (Public Domain) */ |
| |
| #include <sys/types.h> |
| #ifndef _WIN32 |
| #include <sys/select.h> |
| #include <sys/socket.h> |
| #else |
| #include <winsock2.h> |
| #endif |
| #include <microhttpd.h> |
| #include <time.h> |
| #include <sys/stat.h> |
| #include <fcntl.h> |
| #include <string.h> |
| #include <stdio.h> |
| |
| #define PORT 8888 |
| #define FILENAME "picture.png" |
| #define MIMETYPE "image/png" |
| |
| static enum MHD_Result |
| 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 **req_cls) |
| { |
| struct MHD_Response *response; |
| int fd; |
| enum MHD_Result ret; |
| struct stat sbuf; |
| (void) cls; /* Unused. Silent compiler warning. */ |
| (void) url; /* Unused. Silent compiler warning. */ |
| (void) version; /* Unused. Silent compiler warning. */ |
| (void) upload_data; /* Unused. Silent compiler warning. */ |
| (void) upload_data_size; /* Unused. Silent compiler warning. */ |
| (void) req_cls; /* Unused. Silent compiler warning. */ |
| |
| if (0 != strcmp (method, "GET")) |
| return MHD_NO; |
| |
| if ( (-1 == (fd = open (FILENAME, O_RDONLY))) || |
| (0 != fstat (fd, &sbuf)) ) |
| { |
| const char *errorstr = |
| "<html><body>An internal server error has occurred!\ |
| </body></html>"; |
| /* error accessing file */ |
| if (fd != -1) |
| (void) close (fd); |
| response = |
| MHD_create_response_from_buffer_static (strlen (errorstr), errorstr); |
| if (NULL != response) |
| { |
| ret = |
| MHD_queue_response (connection, MHD_HTTP_INTERNAL_SERVER_ERROR, |
| response); |
| MHD_destroy_response (response); |
| |
| return ret; |
| } |
| else |
| return MHD_NO; |
| } |
| response = |
| MHD_create_response_from_fd_at_offset64 ((size_t) sbuf.st_size, fd, 0); |
| MHD_add_response_header (response, "Content-Type", MIMETYPE); |
| ret = MHD_queue_response (connection, MHD_HTTP_OK, response); |
| MHD_destroy_response (response); |
| |
| return ret; |
| } |
| |
| |
| int |
| main (void) |
| { |
| struct MHD_Daemon *daemon; |
| |
| daemon = MHD_start_daemon (MHD_USE_INTERNAL_POLLING_THREAD, PORT, NULL, NULL, |
| &answer_to_connection, NULL, MHD_OPTION_END); |
| if (NULL == daemon) |
| return 1; |
| |
| (void) getchar (); |
| |
| MHD_stop_daemon (daemon); |
| |
| return 0; |
| } |
