esp-open-rtos/examples/wificfg/wificfg.c
2017-10-10 15:53:36 +02:00

95 lines
3.3 KiB
C

/*
* Example Wifi configuration via an access point.
*
* Copyright (C) 2016 OurAirQuality.org
*
* Licensed under the Apache License, Version 2.0, January 2004 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
* http://www.apache.org/licenses/
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE CONTRIBUTORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS WITH THE SOFTWARE.
*
*/
#include <string.h>
#include <ctype.h>
#include <espressif/esp_common.h>
#include <espressif/user_interface.h>
#include <esp/uart.h>
#include <FreeRTOS.h>
#include <task.h>
#include "lwip/sockets.h"
#include "wificfg/wificfg.h"
#include "sysparam.h"
static const char http_success_header[] = "HTTP/1.1 200 \r\n"
"Content-Type: text/html; charset=utf-8\r\n"
"Cache-Control: no-store\r\n"
"Transfer-Encoding: chunked\r\n"
"Connection: close\r\n"
"\r\n";
static const char *http_index_content[] = {
#include "content/index.html"
};
static int handle_index(int s, wificfg_method method,
uint32_t content_length,
wificfg_content_type content_type,
char *buf, size_t len)
{
if (wificfg_write_string(s, http_success_header) < 0) return -1;
if (method != HTTP_METHOD_HEAD) {
if (wificfg_write_string_chunk(s, http_index_content[0], buf, len) < 0) return -1;
if (wificfg_write_html_title(s, buf, len, "Home") < 0) return -1;
if (wificfg_write_string_chunk(s, http_index_content[1], buf, len) < 0) return -1;
socklen_t addr_len;
struct sockaddr addr;
addr_len = sizeof(addr);
getpeername(s, (struct sockaddr*)&addr, &addr_len);
if (wificfg_write_string_chunk(s, "<dl class=\"dlh\">", buf, len) < 0) return -1;
if (addr.sa_family == AF_INET) {
struct sockaddr_in *sa = (struct sockaddr_in *)&addr;
if (wificfg_write_string_chunk(s, "<dt>Peer address</dt>", buf, len) < 0) return -1;
snprintf(buf, len, "<dd>" IPSTR " : %d</dd>",
IP2STR((ip4_addr_t *)&sa->sin_addr.s_addr), ntohs(sa->sin_port));
if (wificfg_write_string_chunk(s, buf, buf, len) < 0) return -1;
}
if (wificfg_write_string_chunk(s, "</dl>", buf, len) < 0) return -1;
if (wificfg_write_string_chunk(s, http_index_content[2], buf, len) < 0) return -1;
if (wificfg_write_chunk_end(s) < 0) return -1;
}
return 0;
}
static const wificfg_dispatch dispatch_list[] = {
{"/", HTTP_METHOD_GET, handle_index, false},
{"/index.html", HTTP_METHOD_GET, handle_index, false},
{NULL, HTTP_METHOD_ANY, NULL}
};
void user_init(void)
{
uart_set_baud(0, 115200);
printf("SDK version:%s\n", sdk_system_get_sdk_version());
sdk_wifi_set_sleep_type(WIFI_SLEEP_MODEM);
if (!wificfg_init(80, dispatch_list)) {
printf("Failed to start AP\n");
}
}