This is a small test page, served by httpserver-netconn."; /** Serve one HTTP connection accepted in the http thread */ static void http_server_netconn_serve(struct netconn *conn) { struct netbuf *inbuf; char *buf; u16_t buflen; err_t err; /* Read the data from the port, blocking if nothing yet there. We assume the request (the part we care about) is in one netbuf */ err = netconn_recv(conn, &inbuf); if (err == ERR_OK) { netbuf_data(inbuf, (void**)&buf, &buflen); /* Is this an HTTP GET command? (only check the first 5 chars, since there are other formats for GET, and we're keeping it very simple )*/ if (buflen>=5 && buf[0]=='G' && buf[1]=='E' && buf[2]=='T' && buf[3]==' ' && buf[4]=='/' ) { /* Send the HTML header * subtract 1 from the size, since we don't send the \0 in the string * NETCONN_NOCOPY: our data is const static, so no need to copy it */ netconn_write(conn, http_html_hdr, sizeof(http_html_hdr)-1, NETCONN_NOCOPY); /* Send our HTML page */ netconn_write(conn, http_index_html, sizeof(http_index_html)-1, NETCONN_NOCOPY); } } /* Close the connection (server closes in HTTP) */ netconn_close(conn); /* Delete the buffer (netconn_recv gives us ownership, so we have to make sure to deallocate the buffer) */ netbuf_delete(inbuf); } /** The main function, never returns! */ static void http_server_netconn_thread(void *arg) { struct netconn *conn, *newconn; err_t err; LWIP_UNUSED_ARG(arg); /* Create a new TCP connection handle */ /* Bind to port 80 (HTTP) with default IP address */ #if LWIP_IPV6 conn = netconn_new(NETCONN_TCP_IPV6); netconn_bind(conn, IP6_ADDR_ANY, 80); #else /* LWIP_IPV6 */ conn = netconn_new(NETCONN_TCP); netconn_bind(conn, IP_ADDR_ANY, 80); #endif /* LWIP_IPV6 */ LWIP_ERROR("http_server: invalid conn", (conn != NULL), return;); /* Put the connection into LISTEN state */ netconn_listen(conn); do { err = netconn_accept(conn, &newconn); if (err == ERR_OK) { http_server_netconn_serve(newconn); netconn_delete(newconn); } } while(err == ERR_OK); LWIP_DEBUGF(HTTPD_DEBUG, ("http_server_netconn_thread: netconn_accept received error %d, shutting down", err)); netconn_close(conn); netconn_delete(conn); } /** Initialize the HTTP server (start its thread) */ void http_server_netconn_init(void) { sys_thread_new("http_server_netconn", http_server_netconn_thread, NULL, DEFAULT_THREAD_STACKSIZE, DEFAULT_THREAD_PRIO); } #endif /* LWIP_NETCONN*/