forked from xuos/xiuos
102 lines
3.5 KiB
C
102 lines
3.5 KiB
C
// Copyright (c) 2022 Cesanta Software Limited
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// All rights reserved
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//
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// UI example
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// It implements the following endpoints:
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// /api/config/get - respond with current config
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// /api/config/set - POST a config change
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// any other URI serves static files from s_root_dir
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// Data and results are JSON strings
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#include "ip_addr.h"
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#include "mongoose.h"
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#include "netdev.h"
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static const char* s_http_addr = "http://0.0.0.0:8000"; // HTTP port
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static const char* s_root_dir = "netsetting";
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static struct netdev* p_netdev;
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static struct config {
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char *ip, *mask, *gw, *dns;
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} s_config;
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// Try to update a single configuration value
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static void update_config(struct mg_str json, const char* path, char** value)
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{
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char* jval;
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if ((jval = mg_json_get_str(json, path)) != NULL) {
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free(*value);
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*value = strdup(jval);
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}
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}
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static void fn(struct mg_connection* c, int ev, void* ev_data, void* fn_data)
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{
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if (ev == MG_EV_OPEN && c->is_listening) {
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s_config.ip = strdup(inet_ntoa(p_netdev->ip_addr));
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s_config.mask = strdup(inet_ntoa(p_netdev->netmask));
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s_config.gw = strdup(inet_ntoa(p_netdev->gw));
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s_config.dns = strdup(inet_ntoa(p_netdev->dns_servers[0]));
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} else if (ev == MG_EV_HTTP_MSG) {
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struct mg_http_message* hm = (struct mg_http_message*)ev_data;
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if (mg_http_match_uri(hm, "/api/config/get")) {
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mg_http_reply(c, 200, "Content-Type: application/json\r\n",
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"{%m:%m,%m:%m,%m:%m,%m:%m}\n",
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MG_ESC("ip"), MG_ESC(s_config.ip),
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MG_ESC("mask"), MG_ESC(s_config.mask),
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MG_ESC("gw"), MG_ESC(s_config.gw),
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MG_ESC("dns"), MG_ESC(s_config.dns));
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} else if (mg_http_match_uri(hm, "/api/config/set")) {
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struct mg_str json = hm->body;
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printf("json: %s\n", json.ptr);
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update_config(json, "$.ip", &s_config.ip);
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update_config(json, "$.mask", &s_config.mask);
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update_config(json, "$.gw", &s_config.gw);
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update_config(json, "$.dns", &s_config.dns);
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mg_http_reply(c, 200, "", "ok\n");
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ip_addr_t ipaddr, maskaddr, gwaddr;
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inet_aton(s_config.ip, &ipaddr);
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inet_aton(s_config.mask, &maskaddr);
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inet_aton(s_config.gw, &gwaddr);
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p_netdev->ops->set_addr_info(p_netdev, &ipaddr, &maskaddr, &gwaddr);
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printf("Board Net Configuration changed to [IP: %s, Mask: %s, GW: %s]\n",
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s_config.ip,
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s_config.mask,
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s_config.gw);
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} else {
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struct mg_http_serve_opts opts = { .root_dir = s_root_dir };
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mg_http_serve_dir(c, ev_data, &opts);
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}
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}
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(void)fn_data;
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}
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static void* do_net_setting_demo(void* none)
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{
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p_netdev = NETDEV_DEFAULT;
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struct mg_mgr mgr; // Event manager
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mg_log_set(MG_LL_DEBUG); // Set to 3 to enable debug
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mg_mgr_init(&mgr); // Initialise event manager
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mg_http_listen(&mgr, s_http_addr, fn, NULL); // Create HTTP listener
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for (;;)
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mg_mgr_poll(&mgr, 10); // Infinite event loop
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mg_mgr_free(&mgr);
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return NULL;
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}
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int net_setting_demo(int argc, char* argv[])
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{
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pthread_t tid = -1;
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pthread_attr_t attr;
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attr.schedparam.sched_priority = 30;
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attr.stacksize = 16384;
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PrivTaskCreate(&tid, &attr, do_net_setting_demo, NULL);
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return 0;
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}
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SHELL_EXPORT_CMD(SHELL_CMD_PERMISSION(0) | SHELL_CMD_TYPE(SHELL_TYPE_CMD_MAIN) | SHELL_CMD_PARAM_NUM(5), NetSettingDemo, net_setting_demo, webserver to set net configurations); |