/* * ---------------------------------------------------------------------------- * "THE BEER-WARE LICENSE" (Revision 42): * Jeroen Domburg wrote this file. As long as you retain * this notice you can do whatever you want with this stuff. If we meet some day, * and you think this stuff is worth it, you can buy me a beer in return. * ---------------------------------------------------------------------------- */ /* This is example code for the esphttpd library. It's a small-ish demo showing off the server, including WiFi connection management capabilities, some IO and some pictures of cats. */ #include #include "httpd.h" #include "io.h" #include "httpdespfs.h" #include "cgi.h" #include "cgiwifi.h" #include "cgiflash.h" #include "stdout.h" #include "auth.h" #include "espfs.h" #include "captdns.h" #include "webpages-espfs.h" #include "cgiwebsocket.h" //The example can print out the heap use every 3 seconds. You can use this to catch memory leaks. //#define SHOW_HEAP_USE //Function that tells the authentication system what users/passwords live on the system. //This is disabled in the default build; if you want to try it, enable the authBasic line in //the builtInUrls below. int myPassFn(HttpdConnData *connData, int no, char *user, int userLen, char *pass, int passLen) { if (no==0) { os_strcpy(user, "admin"); os_strcpy(pass, "s3cr3t"); return 1; //Add more users this way. Check against incrementing no for each user added. // } else if (no==1) { // os_strcpy(user, "user1"); // os_strcpy(pass, "something"); // return 1; } return 0; } static ETSTimer websockTimer; //Broadcast the uptime in seconds every second over connected websockets static void ICACHE_FLASH_ATTR websockTimerCb(void *arg) { static int ctr=0; char buff[128]; ctr++; os_sprintf(buff, "Up for %d minutes %d seconds!\n", ctr/60, ctr%60); cgiWebsockBroadcast("/websocket/ws.cgi", buff, os_strlen(buff), WEBSOCK_FLAG_NONE); } //On reception of a message, send "You sent: " plus whatever the other side sent void myWebsocketRecv(Websock *ws, char *data, int len, int flags) { int i; char buff[128]; os_sprintf(buff, "You sent: "); for (i=0; irecvCb=myWebsocketRecv; cgiWebsocketSend(ws, "Hi, Websocket!", 14, WEBSOCK_FLAG_NONE); } //On reception of a message, echo it back verbatim void myEchoWebsocketRecv(Websock *ws, char *data, int len, int flags) { os_printf("EchoWs: echo, len=%d\n", len); cgiWebsocketSend(ws, data, len, flags); } //Echo websocket connected. Install reception handler. void myEchoWebsocketConnect(Websock *ws) { os_printf("EchoWs: connect\n"); ws->recvCb=myEchoWebsocketRecv; } #ifdef ESPFS_POS CgiUploadFlashDef uploadParams={ .type=CGIFLASH_TYPE_ESPFS, .fw1Pos=ESPFS_POS, .fw2Pos=0, .fwSize=ESPFS_SIZE, }; #define INCLUDE_FLASH_FNS #endif #ifdef OTA_FLASH_SIZE_K CgiUploadFlashDef uploadParams={ .type=CGIFLASH_TYPE_FW, .fw1Pos=0x1000, .fw2Pos=((OTA_FLASH_SIZE_K*1024)/2)+0x1000, .fwSize=((OTA_FLASH_SIZE_K*1024)/2)-0x1000, .tagName=OTA_TAGNAME }; #define INCLUDE_FLASH_FNS #endif /* This is the main url->function dispatching data struct. In short, it's a struct with various URLs plus their handlers. The handlers can be 'standard' CGI functions you wrote, or 'special' CGIs requiring an argument. They can also be auth-functions. An asterisk will match any url starting with everything before the asterisks; "*" matches everything. The list will be handled top-down, so make sure to put more specific rules above the more general ones. Authorization things (like authBasic) act as a 'barrier' and should be placed above the URLs they protect. */ HttpdBuiltInUrl builtInUrls[]={ {"*", cgiRedirectApClientToHostname, "esp8266.nonet"}, {"/", cgiRedirect, "/index.tpl"}, {"/flash.bin", cgiReadFlash, NULL}, {"/led.tpl", cgiEspFsTemplate, tplLed}, {"/index.tpl", cgiEspFsTemplate, tplCounter}, {"/led.cgi", cgiLed, NULL}, {"/flash/download", cgiReadFlash, NULL}, #ifdef INCLUDE_FLASH_FNS {"/flash/next", cgiGetFirmwareNext, &uploadParams}, {"/flash/upload", cgiUploadFirmware, &uploadParams}, #endif {"/flash/reboot", cgiRebootFirmware, NULL}, //Routines to make the /wifi URL and everything beneath it work. //Enable the line below to protect the WiFi configuration with an username/password combo. // {"/wifi/*", authBasic, myPassFn}, {"/wifi", cgiRedirect, "/wifi/wifi.tpl"}, {"/wifi/", cgiRedirect, "/wifi/wifi.tpl"}, {"/wifi/wifiscan.cgi", cgiWiFiScan, NULL}, {"/wifi/wifi.tpl", cgiEspFsTemplate, tplWlan}, {"/wifi/connect.cgi", cgiWiFiConnect, NULL}, {"/wifi/connstatus.cgi", cgiWiFiConnStatus, NULL}, {"/wifi/setmode.cgi", cgiWiFiSetMode, NULL}, {"/websocket/ws.cgi", cgiWebsocket, myWebsocketConnect}, {"/websocket/echo.cgi", cgiWebsocket, myEchoWebsocketConnect}, {"*", cgiEspFsHook, NULL}, //Catch-all cgi function for the filesystem {NULL, NULL, NULL} }; #ifdef SHOW_HEAP_USE static ETSTimer prHeapTimer; static void ICACHE_FLASH_ATTR prHeapTimerCb(void *arg) { os_printf("Heap: %ld\n", (unsigned long)system_get_free_heap_size()); } #endif //Main routine. Initialize stdout, the I/O, filesystem and the webserver and we're done. void user_init(void) { stdoutInit(); ioInit(); captdnsInit(); // 0x40200000 is the base address for spi flash memory mapping, ESPFS_POS is the position // where image is written in flash that is defined in Makefile. #ifdef ESPFS_POS espFsInit((void*)(0x40200000 + ESPFS_POS)); #else espFsInit((void*)(webpages_espfs_start)); #endif httpdInit(builtInUrls, 80); #ifdef SHOW_HEAP_USE os_timer_disarm(&prHeapTimer); os_timer_setfn(&prHeapTimer, prHeapTimerCb, NULL); os_timer_arm(&prHeapTimer, 3000, 1); #endif os_timer_disarm(&websockTimer); os_timer_setfn(&websockTimer, websockTimerCb, NULL); os_timer_arm(&websockTimer, 1000, 1); os_printf("\nReady\n"); } void user_rf_pre_init() { //Not needed, but some SDK versions want this defined. }