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#include <microhttpd.h> #include <string.h> #include <stdio.h> #include <stdlib.h> #include <time.h> #define PORT 8888 #define FILENAME "picture.png" #define MIMETYPE "image/png" long GetFileSize(const char *filename) { FILE *fp; fp = fopen(filename, "rb"); if (fp) { long size; if ( (0!=fseek(fp, 0, SEEK_END)) || (-1==(size=ftell(fp))) ) size = 0; fclose(fp); return size; } else return 0; } int AnswerToConnection(void *cls, struct MHD_Connection *connection, const char *url, const char *method, const char *version, const char *upload_data, unsigned int *upload_data_size, void **con_cls) { unsigned char *buffer; struct MHD_Response *response; long size; FILE *fp; int ret=0; if (0 != strcmp(method, "GET")) return MHD_NO; size = GetFileSize(FILENAME); if (size != 0) { fp = fopen(FILENAME, "rb"); if (fp) { buffer = malloc(size); if (buffer) if (size == fread(buffer, 1, size, fp)) ret=1; } fclose(fp); } if (!ret) { const char *errorstr = "<html><body>An internal server error has occured!\ </body></html>"; if (buffer) free(buffer); response = MHD_create_response_from_data(strlen(errorstr), (void*)errorstr, MHD_NO, MHD_NO); ret = MHD_queue_response (connection, MHD_HTTP_INTERNAL_SERVER_ERROR, response); MHD_destroy_response (response); return MHD_YES; } response = MHD_create_response_from_data(size, (void*)buffer, MHD_YES, MHD_NO); 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 () { struct MHD_Daemon *daemon; daemon = MHD_start_daemon(MHD_USE_SELECT_INTERNALLY, PORT, NULL, NULL, &AnswerToConnection, NULL, MHD_OPTION_END); if (daemon == NULL) return 1; getchar(); MHD_stop_daemon(daemon); return 0; }