void env_cleanup() {
int envState = kEnvCleanup;
rlBufferClear(&theBuffer);
rlSendBufferData(rlGetEnvironmentConnection(), &theBuffer, envState);
rlBufferClear(&theBuffer);
rlRecvBufferData(rlGetEnvironmentConnection(), &theBuffer, &envState);
assert(envState == kEnvCleanup);
rlBufferDestroy(&theBuffer);
freeRLStructPointer(theObservation);
theObservation=0;
if (theTaskSpec != 0) {
free(theTaskSpec);
theTaskSpec = 0;
}
if (theOutMessage != 0) {
free(theOutMessage);
theOutMessage = 0;
}
}
int main(int argc, char** argv) {
int theConnection = 0;
const char *usage = "The following environment variables are used by the agent to control its function:\n"
"RLGLUE_HOST : If set the agent will use this ip or hostname to connect to rather than %s\n"
"RLGLUE_PORT : If set the agent will use this port to connect on rather than %d\n";
struct hostent *host_ent;
char* host = kLocalHost;
short port = kDefaultPort;
char* envptr = 0;
if (argc > 1) {
fprintf(stderr, usage, kLocalHost, kDefaultPort);
exit(1);
}
host = getenv("RLGLUE_HOST");
if (host == 0) {
host = kLocalHost;
}
envptr = getenv("RLGLUE_PORT");
if (envptr != 0) {
port = strtol(envptr, 0, 10);
if (port == 0) {
port = kDefaultPort;
}
}
if (isalpha(host[0])) {
/*This method is apparently deprecated, we should update at some point*/
host_ent = gethostbyname(host);
if(host_ent==0){
fprintf(stderr,"Couldn't find IP address for host: %s\n",host);
exit(55);
}
host = inet_ntoa(*(struct in_addr*)host_ent->h_addr_list[0]);
}
fprintf(stdout, "RL-Glue C Agent Codec Version %s, Build %s\n\tConnecting to host=%s on port=%d...\n", VERSION,__rlglue_get_codec_svn_version(),host, port);
fflush(stdout);
/* Allocate what should be plenty of space for the buffer - it will dynamically resize if it is too small */
rlBufferCreate(&theBuffer, 4096);
theConnection = rlWaitForConnection(host, port, kRetryTimeout);
fprintf(stdout, "\tRL-Glue C Agent Codec :: Connected\n");
rlBufferClear(&theBuffer);
rlSendBufferData(theConnection, &theBuffer, kAgentConnection);
runAgentEventLoop(theConnection);
rlClose(theConnection);
rlBufferDestroy(&theBuffer);
return 0;
}
void rlCloseEnvironmentConnection()
{
rlBuffer theBuffer = {0};
rlBufferCreate(&theBuffer, 8);
rlSendBufferData(envConnection, &theBuffer, kRLTerm);
rlClose(envConnection);
envConnection = 0;
rlBufferDestroy(&theBuffer);
}
/* Tell the agent that we're cleaning up */
void agent_cleanup() {
int agentState = kAgentCleanup;
rlBufferClear(&theBuffer);
rlSendBufferData(rlGetAgentConnection(), &theBuffer, agentState);
rlBufferClear(&theBuffer);
rlRecvBufferData(rlGetAgentConnection(), &theBuffer, &agentState);
assert(agentState == kAgentCleanup);
rlBufferDestroy(&theBuffer);
freeRLStructPointer(globalAction);
globalAction=0;
if (theOutMessage != 0) {
free(theOutMessage);
theOutMessage = 0;
}
}
void cleanupExperimentAtExit(void)
{
rlBufferDestroy(&clientexp_rlbuffer);
}