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82 lines
2.2 KiB
C
82 lines
2.2 KiB
C
// Copyright (c) 2015 Cesanta Software Limited
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// All rights reserved
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#include "mongoose.h"
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struct device_settings {
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char setting1[100];
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char setting2[100];
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};
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static const char *s_http_port = "8000";
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static struct mg_serve_http_opts s_http_server_opts;
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static struct device_settings s_settings = { "value1", "value2" };
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static void handle_save(struct mg_connection *nc, struct http_message *hm) {
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// Get form variables and store settings values
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mg_get_http_var(&hm->body, "setting1", s_settings.setting1,
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sizeof(s_settings.setting1));
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mg_get_http_var(&hm->body, "setting2", s_settings.setting2,
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sizeof(s_settings.setting2));
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// Send response
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mg_printf(nc, "%s", "HTTP/1.1 302 OK\r\nLocation: /\r\n\r\n");
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}
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static void handle_ssi_call(struct mg_connection *nc, const char *param) {
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if (strcmp(param, "setting1") == 0) {
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mg_printf_html_escape(nc, "%s", s_settings.setting1);
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} else if (strcmp(param, "setting2") == 0) {
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mg_printf_html_escape(nc, "%s", s_settings.setting2);
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}
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}
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static void ev_handler(struct mg_connection *nc, int ev, void *ev_data) {
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struct http_message *hm = (struct http_message *) ev_data;
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switch (ev) {
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case MG_EV_HTTP_REQUEST:
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if (mg_vcmp(&hm->uri, "/save") == 0) {
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handle_save(nc, hm);
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} else {
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mg_serve_http(nc, hm, s_http_server_opts); // Serve static content
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}
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break;
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case MG_EV_SSI_CALL:
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handle_ssi_call(nc, ev_data);
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break;
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default:
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break;
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}
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}
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int main(void) {
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struct mg_mgr mgr;
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struct mg_connection *nc;
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cs_stat_t st;
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mg_mgr_init(&mgr, NULL);
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nc = mg_bind(&mgr, s_http_port, ev_handler);
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if (nc == NULL) {
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fprintf(stderr, "Cannot bind to %s\n", s_http_port);
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exit(1);
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}
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// Set up HTTP server parameters
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mg_set_protocol_http_websocket(nc);
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s_http_server_opts.document_root = "web_root"; // Set up web root directory
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if (mg_stat(s_http_server_opts.document_root, &st) != 0) {
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fprintf(stderr, "%s", "Cannot find web_root directory, exiting\n");
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exit(1);
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}
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printf("Starting web server on port %s\n", s_http_port);
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for (;;) {
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mg_mgr_poll(&mgr, 1000);
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}
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mg_mgr_free(&mgr);
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return 0;
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}
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