WIP: export wifi interface statistics

At the moment data is exported in textual format (as a dump) for easy printing on the library side; when complete, the dump must be in machine compact format.

main/CommandHandler.cpp

@@ -237,6 +237,38 @@ int getTemperature(const uint8_t command[], uint8_t response[])
   return 9;
 }
 
+static int stats_display_proto(struct stats_proto *proto, char* buf)
+{
+  int cc = 0;
+  cc += snprintf(buf + cc, 256, "xmit: %hu\n", proto->xmit);
+  cc += snprintf(buf + cc, 256, "recv: %hu\n", proto->recv);
+  cc += snprintf(buf + cc, 256, "fw: %hu\n", proto->fw);
+  cc += snprintf(buf + cc, 256, "drop: %hu\n", proto->drop);
+  cc += snprintf(buf + cc, 256, "chkerr: %hu\n", proto->chkerr);
+  cc += snprintf(buf + cc, 256, "lenerr: %hu\n", proto->lenerr);
+  cc += snprintf(buf + cc, 256, "memerr: %hu\n", proto->memerr);
+  cc += snprintf(buf + cc, 256, "rterr: %hu\n", proto->rterr);
+  cc += snprintf(buf + cc, 256, "proterr: %hu\n", proto->proterr);
+  cc += snprintf(buf + cc, 256, "opterr: %hu\n", proto->opterr);
+  cc += snprintf(buf + cc, 256, "err: %hu\n", proto->err);
+  cc += snprintf(buf + cc, 256, "cachehit: %hu\n", proto->cachehit);
+  return cc;
+}
+
+int getStats(const uint8_t command[], uint8_t response[])
+{
+  int ret = 0;
+  if (command[4] == 0)
+    ret = stats_display_proto(&lwip_stats.tcp, (char*)&response[4]);
+  else
+    ret = stats_display_proto(&lwip_stats.udp, (char*)&response[4]);
+
+  response[2] = 1; // number of parameters
+  response[3] = ret; // parameter 1 length
+
+  return ret + 4;
+}
+
 int getConnStatus(const uint8_t command[], uint8_t response[])
 {
   uint8_t status = WiFi.status();
@@ -977,6 +1009,56 @@ int setAnalogWrite(const uint8_t command[], uint8_t response[])
 }
 
 
+#include "esp_wpa2.h"
+
+int wpa2EntSetIdentity(const uint8_t command[], uint8_t response[]) {
+  char identity[32 + 1];
+
+  memset(identity, 0x00, sizeof(identity));
+  memcpy(identity, &command[4], command[3]);
+
+  esp_wifi_sta_wpa2_ent_set_identity((const unsigned char*)identity, sizeof(identity));
+  return 0;
+}
+
+int wpa2EntSetUsername(const uint8_t command[], uint8_t response[]) {
+  char username[32 + 1];
+
+  memset(username, 0x00, sizeof(username));
+  memcpy(username, &command[4], command[3]);
+
+  esp_wifi_sta_wpa2_ent_set_username((const unsigned char*)username, sizeof(username));
+  return 0;
+}
+
+int wpa2EntSetPassword(const uint8_t command[], uint8_t response[]) {
+  char password[32 + 1];
+
+  memset(password, 0x00, sizeof(password));
+  memcpy(password, &command[4], command[3]);
+
+  esp_wifi_sta_wpa2_ent_set_username((const unsigned char*)password, sizeof(password));
+  return 0;
+}
+
+int wpa2EntSetCACert(const uint8_t command[], uint8_t response[]) {
+  // not yet implemented (need to decide if writing in the filesystem is better than loading every time)
+  // keep in mind size limit for messages
+  return 0;
+}
+
+int wpa2EntSetCertKey(const uint8_t command[], uint8_t response[]) {
+  // not yet implemented (need to decide if writing in the filesystem is better than loading every time)
+  // keep in mind size limit for messages
+  return 0;
+}
+
+int wpa2EntEnable(const uint8_t command[], uint8_t response[]) {
+  esp_wpa2_config_t config = WPA2_CONFIG_INIT_DEFAULT();
+  esp_wifi_sta_wpa2_ent_enable(&config);
+  return 0;
+}
+
 typedef int (*CommandHandlerType)(const uint8_t command[], uint8_t response[]);
 
 const CommandHandlerType commandHandlers[] = {
@@ -984,7 +1066,7 @@ const CommandHandlerType commandHandlers[] = {
   NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
 
   // 0x10 -> 0x1f
-  setNet, setPassPhrase, setKey, NULL, setIPconfig, setDNSconfig, setHostname, setPowerMode, setApNet, setApPassPhrase, setDebug, getTemperature, NULL, NULL, NULL, NULL,
+  setNet, setPassPhrase, setKey, NULL, setIPconfig, setDNSconfig, setHostname, setPowerMode, setApNet, setApPassPhrase, setDebug, getTemperature, NULL, NULL, NULL, getStats,
 
   // 0x20 -> 0x2f
   getConnStatus, getIPaddr, getMACaddr, getCurrSSID, getCurrBSSID, getCurrRSSI, getCurrEnct, scanNetworks, startServerTcp, getStateTcp, dataSentTcp, availDataTcp, getDataTcp, startClientTcp, stopClientTcp, getClientStateTcp,
@@ -993,7 +1075,7 @@ const CommandHandlerType commandHandlers[] = {
   disconnect, NULL, getIdxRSSI, getIdxEnct, reqHostByName, getHostByName, startScanNetworks, getFwVersion, NULL, sendUDPdata, getRemoteData, getTime, getIdxBSSID, getIdxChannel, ping, getSocket,
 
   // 0x40 -> 0x4f
-  NULL, NULL, NULL, NULL, sendDataTcp, getDataBufTcp, insertDataBuf, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+  NULL, NULL, NULL, NULL, sendDataTcp, getDataBufTcp, insertDataBuf, NULL, NULL, NULL, wpa2EntSetIdentity, wpa2EntSetUsername, wpa2EntSetPassword, wpa2EntSetCACert, wpa2EntSetCertKey, wpa2EntEnable,
 
   // 0x50 -> 0x5f
   setPinMode, setDigitalWrite, setAnalogWrite,

sdkconfig

@@ -370,7 +370,7 @@ CONFIG_LWIP_SO_RCVBUF=y
 CONFIG_LWIP_DHCP_MAX_NTP_SERVERS=1
 CONFIG_LWIP_IP_FRAG=
 CONFIG_LWIP_IP_REASSEMBLY=
-CONFIG_LWIP_STATS=
+CONFIG_LWIP_STATS=y
 CONFIG_LWIP_ETHARP_TRUST_IP_MAC=y
 CONFIG_TCPIP_RECVMBOX_SIZE=32
 CONFIG_LWIP_DHCP_DOES_ARP_CHECK=y