finished basic d2d and external, adde flags etc

esphttpdconfig.mk.example

@@ -39,6 +39,7 @@ OUTPUT_TYPE = combined
 ESP_SPI_FLASH_SIZE_K = 1024
 
 GLOBAL_CFLAGS = \
+    -DASYNC_LOG=1 \
     -DDEBUG_D2D=0 \
     -DDEBUG_ROUTER=0 \
     -DDEBUG_CAPTDNS=0 \

user/ansi_parser_callbacks.c

@@ -11,6 +11,7 @@
 #include "version.h"
 #include "uart_buffer.h"
 #include "screen.h"
+#include "uart_driver.h"
 
 volatile bool enquiry_suppressed = false;
 ETSTimer enqTimer;
@@ -26,7 +27,8 @@ void ICACHE_FLASH_ATTR enqTimerCb(void *unused)
 void ICACHE_FLASH_ATTR
 apars_respond(const char *str)
 {
-	UART_SendAsync(str, -1);
+	UART_WriteString(UART0, str, UART_TIMEOUT_US);
+	//UART_SendAsync(str, -1);
 }
 
 /**

user/api.h

@@ -0,0 +1,15 @@
+//
+// Created by MightyPork on 2017/10/01.
+//
+
+#ifndef ESPTERM_API_H
+#define ESPTERM_API_H
+
+// TODO use X-MACRO for access restrictions etc
+
+#define API_D2D_MSG "/api/v1/msg"
+#define API_REBOOT  "/api/v1/reboot"
+#define API_PING    "/api/v1/ping"
+#define API_CLEAR   "/api/v1/clear"
+
+#endif //ESPTERM_API_H

user/cgi_d2d.c

@@ -4,39 +4,70 @@
 
 #include <esp8266.h>
 #include "cgi_d2d.h"
-#include "apars_logging.h"
 #include "version.h"
 #include "ansi_parser_callbacks.h"
+#include "api.h"
 #include <httpclient.h>
 #include <esp_utils.h>
 
 #define D2D_TIMEOUT_MS 2000
 
 #define D2D_HEADERS \
-	"User-Agent: ESPTerm "FIRMWARE_VERSION"\r\n" \
+	"User-Agent: ESPTerm "FIRMWARE_VERSION" like curl wget HTTPie\r\n" \
 	"Content-Type: text/plain; charset=utf-8\r\n" \
-	"Cache-Control: max-age=0\r\n"
+	"Accept-Encoding: identity\r\n" \
+	"Accept-Charset: utf-8\r\n" \
+	"Accept: text/*, application/json\r\n" \
+	"Cache-Control: no-cache,private,max-age=0\r\n"
 
 struct d2d_request_opts {
 	bool want_body;
 	bool want_head;
+	size_t max_result_len;
 	char *nonce;
 };
 
+volatile bool request_pending = false;
+
 static void ICACHE_FLASH_ATTR
-requestCb(int http_status,
+requestNoopCb(int http_status,
-			   const char *response_headers,
+			   char *response_headers,
-			   const char *response_body,
+			   char *response_body,
 			   size_t body_size,
 			   void *userArg)
 {
-	if (userArg == NULL) return;
+	request_pending = false;
+	if (userArg != NULL) free(userArg);
+}
+
+static void ICACHE_FLASH_ATTR
+requestCb(int http_status,
+			   char *response_headers,
+			   char *response_body,
+			   size_t body_size,
+			   void *userArg)
+{
+	if (userArg == NULL) {
+		request_pending = false;
+		return;
+	}
+
 	struct d2d_request_opts *opts = userArg;
 
+	d2d_dbg("Rx url response, code %d, nonce \"%s\"", http_status, opts->nonce?opts->nonce:"");
+
+	// ensure positive - would be hard to parse
+	if (http_status < 0) http_status = -http_status;
+
 	char buff100[100];
 	int len = 0;
-	if (opts->want_head) len += strlen(response_headers);
+	size_t headers_size = strlen(response_headers);
+
+	if (opts->want_head) len += headers_size;
 	if (opts->want_body) len += body_size + (opts->want_head*2);
+	if (opts->max_result_len > 0 && len > opts->max_result_len)
+		len = (int) opts->max_result_len;
+
 	char *bb = buff100;
 	bb += sprintf(bb, "\x1b^h;%d;", http_status);
 	const char *comma = "";
@@ -66,24 +97,35 @@ requestCb(int http_status,
 
 	apars_respond(buff100);
 
-	d2d_dbg("Response %d, nonce \"%s\"", http_status, opts->nonce?opts->nonce:"");
+	//d2d_dbg("Headers (part) %100s", response_headers);
-	d2d_dbg("Headers %s", response_headers);
+	//d2d_dbg("Body (part) %100s", response_body);
-	d2d_dbg("Body %s", response_body);
 
 	// head and payload separated by \r\n\r\n (one \r\n is at the end of head - maybe)
 	if (opts->want_head) {
+		// truncate
+		if (headers_size > len) {
+			response_headers[len] = 0;
+			opts->want_body = false; // soz, it wouldn't fit
+		}
 		apars_respond(response_headers);
 		if(opts->want_body) apars_respond("\r\n");
 	}
 
 	if(opts->want_body) {
+		// truncate
+		if (opts->want_head*(headers_size+2)+body_size > len) {
+			response_body[len - (opts->want_head*(headers_size+2))] = 0;
+		}
+
 		apars_respond(response_body);
 	}
 
 	apars_respond("\a");
 
 	free(opts->nonce);
-	free(userArg);
+	free(opts);
+
+	request_pending = false;
 }
 
 bool ICACHE_FLASH_ATTR
@@ -101,6 +143,8 @@ d2d_parse_command(char *msg)
 } while(0) \
 
 	if (strstarts(msg, "M;")) {
+		if (request_pending) return false;
+
 		// Send a esp-esp message
 		msg += 2;
 		const char *ip;
@@ -108,7 +152,7 @@ d2d_parse_command(char *msg)
 		const char *payload = msg;
 
 		d2d_dbg("D2D Tx,dest=%s,msg=%s", ip, payload);
-		sprintf(buff40, "http://%s" D2D_MSG_ENDPOINT, ip);
+		sprintf(buff40, "http://%s" API_D2D_MSG, ip);
 
 		httpclient_args args;
 		httpclient_args_init(&args);
@@ -117,10 +161,14 @@ d2d_parse_command(char *msg)
 		args.headers = D2D_HEADERS;
 		args.timeout = D2D_TIMEOUT_MS;
 		args.url = buff40; // "escapes scope" warning - can ignore, strdup is used
-		http_request(&args, NULL);
+
+		request_pending = true;
+		http_request(&args, requestNoopCb);
 		return true;
 	}
 	else if (strstarts(msg, "H;")) {
+		if (request_pending) return false;
+
 		// Send a esp-esp message
 		msg += 2;
 		const char *method = NULL;
@@ -128,7 +176,7 @@ d2d_parse_command(char *msg)
 		const char *nonce = NULL;
 		const char *url = NULL;
 		const char *payload = NULL;
-		httpd_method methodNum = HTTPD_METHOD_GET;
+		httpd_method methodNum;
 
 		FIND_NEXT(method, ';');
 
@@ -140,7 +188,8 @@ d2d_parse_command(char *msg)
 		else if (streq(method, "PATCH")) methodNum = HTTPD_METHOD_PATCH;
 		else if (streq(method, "HEAD")) methodNum = HTTPD_METHOD_HEAD;
 		else {
-			d2d_warn("BAD METHOD: %s, using GET", method);
+			d2d_warn("BAD METHOD: %s", method);
+			return false;
 		}
 
 		FIND_NEXT(params, ';');
@@ -148,7 +197,8 @@ d2d_parse_command(char *msg)
 		d2d_dbg("Method %s", method);
 		d2d_dbg("Params %s", params);
 
-		size_t max_len = HTTPCLIENT_DEF_MAX_LEN;
+		size_t max_buf_len = HTTPCLIENT_DEF_MAX_LEN;
+		size_t max_result_len = 0; // 0 = no truncate
 		uint timeout = HTTPCLIENT_DEF_TIMEOUT_MS;
 		bool want_body = 0;
 		bool want_head = 0;
@@ -163,8 +213,10 @@ d2d_parse_command(char *msg)
 			if(streq(param, "H")) want_head = 1; // Return head
 			else if(streq(param, "B")) want_body = 1; // Return body
 			else if(streq(param, "X")) no_resp = 1; // X - no response, no callback
-			else if(strstarts(param, "L=")) { // max length
+			else if(strstarts(param, "l=")) { // max buffer length
-				max_len = (size_t) atoi(param + 2);
+				max_buf_len = (size_t) atoi(param + 2);
+			} else if(strstarts(param, "L=")) { // max length
+				max_result_len = (size_t) atoi(param + 2);
 			} else if(strstarts(param, "T=")) { // timeout
 				timeout = (uint) atoi(param + 2);
 			} else if(strstarts(param, "N=")) { // Nonce
@@ -198,18 +250,20 @@ d2d_parse_command(char *msg)
 		args.body = payload;
 		args.headers = D2D_HEADERS;
 		args.timeout = timeout;
-		args.max_response_len = max_len;
+		args.max_response_len = max_buf_len;
 		args.url = url;
 
 		if (!no_resp) {
 			struct d2d_request_opts *opts = malloc(sizeof(struct d2d_request_opts));
 			opts->want_body = want_body;
 			opts->want_head = want_head;
+			opts->max_result_len = max_result_len;
 			opts->nonce = esp_strdup(nonce);
 			args.userData = opts;
 		}
 
-		http_request(&args, no_resp ? NULL : requestCb);
+		request_pending = true;
+		http_request(&args, no_resp ? requestNoopCb : requestCb);
 
 		d2d_dbg("Done");
 		return true;
@@ -217,3 +271,46 @@ d2d_parse_command(char *msg)
 
 	return false;
 }
+
+httpd_cgi_state ICACHE_FLASH_ATTR cgiD2DMessage(HttpdConnData *connData)
+{
+	if (connData->conn==NULL) {
+		//Connection aborted. Clean up.
+		return HTTPD_CGI_DONE;
+	}
+
+	size_t len = 0;
+	if (connData->post && connData->post->buff)
+		len = strlen(connData->post->buff);
+	else if (connData->getArgs)
+		len = strlen(connData->getArgs);
+	else
+		len = 0;
+
+	u8 *ip = connData->remote_ip;
+	char buf[20];
+	sprintf(buf, "\x1b^m;"IPSTR";L=%d;", ip[0], ip[1], ip[2], ip[3], (int)len);
+	apars_respond(buf);
+
+	if (connData->post && connData->post->buff)
+		apars_respond(connData->post->buff);
+	else if (connData->getArgs)
+		apars_respond(connData->getArgs);
+
+	apars_respond("\a");
+
+	d2d_dbg("D2D Rx src="IPSTR",len=%d", ip[0], ip[1], ip[2], ip[3],len);
+
+	// Received a msg
+
+	httdResponseOptions(connData, 0);
+	httdSetTransferMode(connData, HTTPD_TRANSFER_CLOSE);
+
+	httpdStartResponse(connData, 200);
+	httpdHeader(connData, "Content-Type", "text/plain");
+	httpdEndHeaders(connData);
+
+	httpdSend(connData, "message received\r\n", -1);
+
+	return HTTPD_CGI_DONE;
+}

user/cgi_d2d.h

@@ -6,6 +6,7 @@
 #define ESPTERM_CGI_D2D_H
 
 #include <esp8266.h>
+#include <httpd.h>
 
 #if DEBUG_D2D
 #define d2d_warn warn
@@ -17,8 +18,8 @@
 #define d2d_info(fmt, ...)
 #endif
 
-#define D2D_MSG_ENDPOINT "/api/v1/msg"
-
 bool d2d_parse_command(char *msg);
 
+httpd_cgi_state cgiD2DMessage(HttpdConnData *connData);
+
 #endif //ESPTERM_CGI_D2D_H

user/cgi_system.c

@@ -50,7 +50,7 @@ httpd_cgi_state ICACHE_FLASH_ATTR cgiResetDevice(HttpdConnData *connData)
 	os_timer_setfn(&tmr, tmrCb, NULL);
 	os_timer_arm(&tmr, 100, false);
 
-	httpdSend(connData, "system reset\n", -1);
+	httpdSend(connData, "system reset\r\n", -1);
 
 	return HTTPD_CGI_DONE;
 }
@@ -66,7 +66,7 @@ httpd_cgi_state ICACHE_FLASH_ATTR cgiPing(HttpdConnData *connData)
 	httpdHeader(connData, "Content-Type", "text/plain");
 	httpdEndHeaders(connData);
 
-	httpdSend(connData, "pong\n", -1);
+	httpdSend(connData, "pong\r\n", -1);
 
 	return HTTPD_CGI_DONE;
 }

user/routes.c

@@ -14,6 +14,8 @@
 #include "cgi_persist.h"
 #include "syscfg.h"
 #include "persist.h"
+#include "api.h"
+#include "cgi_d2d.h"
 
 /**
  * Password for WiFi config
@@ -45,7 +47,8 @@ httpd_cgi_state ICACHE_FLASH_ATTR cgiOptionalPwLock(HttpdConnData *connData)
 			break;
 
 		case PWLOCK_SETTINGS_NOTERM:
-			protect = strstarts(connData->url, "/cfg") && !strstarts(connData->url, "/cfg/term");
+			protect = strstarts(connData->url, "/cfg") &&
+				      !strstarts(connData->url, "/cfg/term");
 			break;
 
 		case PWLOCK_SETTINGS_ALL:
@@ -53,7 +56,9 @@ httpd_cgi_state ICACHE_FLASH_ATTR cgiOptionalPwLock(HttpdConnData *connData)
 			break;
 
 		case PWLOCK_MENUS:
-			protect = strstarts(connData->url, "/cfg") || strstarts(connData->url, "/about") || strstarts(connData->url, "/help");
+			protect = strstarts(connData->url, "/cfg") ||
+					  strstarts(connData->url, "/about") ||
+					  strstarts(connData->url, "/help");
 			break;
 
 		default:
@@ -64,11 +69,11 @@ httpd_cgi_state ICACHE_FLASH_ATTR cgiOptionalPwLock(HttpdConnData *connData)
 	// pages outside the normal scope
 
 	if (sysconf->pwlock > PWLOCK_NONE) {
-		if (strstarts(connData->url, "/system/reset")) protect = true;
+		if (strstarts(connData->url, "/api/v1/reboot")) protect = true;
 	}
 
 	if (sysconf->pwlock > PWLOCK_SETTINGS_NOTERM) {
-		if (strstarts(connData->url, "/system/cls")) protect = true;
+		if (strstarts(connData->url, "/api/v1/clear")) protect = true;
 	}
 
 	if (sysconf->access_pw[0] == 0) {
@@ -103,9 +108,12 @@ const HttpdBuiltInUrl routes[] ESP_CONST_DATA = {
 	ROUTE_WS(URL_WS_UPDATE, updateSockConnect),
 
 	// --- System control ---
-	ROUTE_CGI("/system/reset/?", cgiResetDevice),
+
-	ROUTE_CGI("/system/ping/?", cgiPing),
+	// API endpoints
-	ROUTE_CGI("/system/cls/?", cgiResetScreen),
+	ROUTE_CGI(API_REBOOT"/?", cgiResetDevice),
+	ROUTE_CGI(API_PING"/?", cgiPing),
+	ROUTE_CGI(API_CLEAR"/?", cgiResetScreen),
+	ROUTE_CGI(API_D2D_MSG"/?", cgiD2DMessage),
 
 	ROUTE_REDIRECT("/cfg/?", "/cfg/wifi"),
 

user/serial.c

@@ -40,10 +40,10 @@ buf_pop(void *unused)
 	}
 }
 
-//LOCAL void my_putc(char c)
+LOCAL void my_putc(char c)
-//{
+{
-//	UART_WriteCharCRLF(UART1, (u8) c, 10);
+	UART_WriteCharCRLF(UART1, (u8) c, 10);
-//}
+}
 
 /**
  * Init the serial ports
@@ -56,8 +56,11 @@ void ICACHE_FLASH_ATTR serialInitBase(void)
 	UART_SetStopBits(UART1, ONE_STOP_BIT);
 	UART_SetBaudrate(UART1, BIT_RATE_115200);
 	UART_SetPrintPort(UART1);
+#if ASYNC_LOG
 	os_install_putc1(buf_putc);
-	//os_install_putc1(my_putc);
+#else
+	os_install_putc1(my_putc);
+#endif
 	UART_SetupAsyncReceiver();
 
 	// 1 ms timer