///---------------------------------------------------------------------------------
/// Join Request
///---------------------------------------------------------------------------------
NETWORK_MESSAGE_DEFINITION_WITH_OPTIONS( MSG_TYPE_JOIN_REQUEST, MO_RELIABLE )
{
DeveloperConsole::WriteLine( "Join request from " + sender.m_addr.GetAddrStr(), INFO_TEXT_COLOR );
char* id = nullptr;
msg.ReadString( id );
AddConnectionResult result = ACR_DENIED;
NetworkConnection* conn = sender.m_session->AddConnection( sender.m_addr, std::string( id ), result );
if (conn && result == ACR_ACCEPTED)
{
NetworkMessage acceptMsg( MSG_TYPE_JOIN_ACCEPT );
uint8_t maxConnections = (uint8_t) sender.m_session->GetMaxConnections();
acceptMsg.WriteBytes( (void*)&maxConnections, sizeof( maxConnections ) );
uint8_t connIdx = conn->GetConnectionIndex();
acceptMsg.WriteBytes( (void*)&connIdx, sizeof( connIdx ) );
uint8_t hostIdx = 0;
acceptMsg.WriteBytes( (void*)&hostIdx, sizeof( hostIdx ) );
std::string hostID = sender.m_session->GetHost()->GetUniqueID();
acceptMsg.WriteString( hostID.c_str() );
uint8_t invalidIdx = CONNECTION_INVALID_INDEX;
acceptMsg.WriteBytes( (void*)&invalidIdx, sizeof( invalidIdx ) );
conn->AddMessage( acceptMsg );
}
else
{
uint8_t denyReason;
NetworkMessage* denyMsg = new NetworkMessage( MSG_TYPE_JOIN_DENY );
switch (result)
{
case ACR_DENIED:
denyReason = 0;
break;
case ACR_FULL:
denyReason = 1;
break;
case ACR_ID_TAKEN:
denyReason = 2;
break;
default:
break;
}
denyMsg->WriteBytes( (void*)&denyReason, sizeof( denyReason ) );
sender.m_session->SendDirectMessage( denyMsg, &sender.m_addr );
}
}
static void *netrequest_cmd_thread(void *arg){
msg *message = NULL;
char* me = "netrequest_cmd_thread";
while(1){
requestNo++;
freeMsg(message);
netlog("%s waiting to process request number %d\n", me, requestNo);
message = acceptMsg(STDIN_FILENO);
if(message == NULL){
netlog("%s readMsg failed; %p", me, arg);
continue;
}
netlog("%s processing request:\n\"%s\"\n", me, message->data);
}
return NULL;
}
void* handleRequest(void* args){
int from = -1, to = -1;
echofds* fds = (echofds*)args;
if(fds == NULL) goto fail;
from = fds->from;
to = fds->to;
while(1){
msg* message = acceptMsg(from);
if(message != NULL){
msg2netlog(message);
pthread_mutex_lock(&netrequest_output_mutex);
sendMsg(to, message);
pthread_mutex_unlock(&netrequest_output_mutex);
freeMsg(message);
} else {
netlog("handleRequest exiting gracefully!\n");
break;
}
}
fail:
if(from != -1){ close(from); }
return NULL;
}
int main(int argc, char** argv){
msg *messageIn = NULL, *messageOut = NULL;
char *sender, *rest, *body, *cmd;
int retval;
if(argv == NULL){
fprintf(stderr, "didn't understand: (argv == NULL)\n");
exit(EXIT_FAILURE);
}
if(argc != 4){
fprintf(stderr, "didn't understand: (argc != 4)\n");
exit(EXIT_FAILURE);
}
self_debug_flag = SOCKET_DEBUG;
self = argv[0];
sock = atoi(argv[1]);
registry_fifo_in = argv[2];
registry_fifo_out = argv[3];
if(socket_install_handler() != 0){
perror("socket couldn't install handler\n");
exit(EXIT_FAILURE);
}
while(1){
requestNo++;
if(messageIn != NULL){
freeMsg(messageIn);
messageIn = NULL;
}
if(messageOut != NULL){
freeMsg(messageOut);
messageOut = NULL;
}
announce("%s waiting to process request number %d\n", self, requestNo);
messageIn = acceptMsg(STDIN_FILENO);
if(messageIn == NULL){
perror("socket acceptMsg failed");
continue;
}
announce("%s processing request:\n\"%s\"\n", self, messageIn->data);
retval = parseActorMsg(messageIn->data, &sender, &body);
if(!retval){
fprintf(stderr, "didn't understand: (parseActorMsg)\n\t \"%s\" \n", messageIn->data);
continue;
}
if(getNextToken(body, &cmd, &rest) <= 0){
fprintf(stderr, "didn't understand: (cmd)\n\t \"%s\" \n", body);
continue;
}
if(!strcmp(cmd, "read")){
if(closed){
goto readfail;
} else {
char *bytes2read;
int bytesDesired;
if(getNextToken(rest, &bytes2read, &rest) <= 0){
fprintf(stderr,
"didn't understand: (bytes2read)\n\t \"%s\" \n",
rest);
continue;
}
bytesDesired = atoi(bytes2read);
if(bytesDesired == 0){
goto readfail;
} else {
messageOut = readMsg(sock);
if(messageOut == NULL){
perror("socket readMsg failed");
goto readfail;
}
announce("%s\n%s\nreadOK\n%d\n%s\n",
sender,
self,
messageOut->bytesUsed,
messageOut->data);
sendFormattedMsgFP(stdout,
"%s\n%s\nreadOK\n%d\n%s\n",
sender,
self,
messageOut->bytesUsed,
messageOut->data);
}
continue;
readfail:
announce("%s\n%s\nreadFailure\n", sender, self);
sendFormattedMsgFP(stdout, "%s\n%s\nreadFailure\n", sender, self);
continue;
}
} else if(!strcmp(cmd, "write")){
if(closed){
fprintf(stderr, "closed\n");
goto writefail;
} else {
char *bytes2write;
int bytesToSend, bytesSent;
if(getNextToken(rest, &bytes2write, &rest) <= 0){
fprintf(stderr,
"didn't understand: (bytes2write)\n\t \"%s\" \n",
rest);
continue;
}
bytesToSend = atoi(bytes2write);
if(bytesToSend == 0){
fprintf(stderr, "(bytesToSend == 0)\n");
goto writefail;
} else {
int len = strlen(rest);
bytesToSend = (len < bytesToSend ) ? len : bytesToSend;
if((bytesSent = write(sock, rest, bytesToSend)) != bytesToSend){
fprintf(stderr, "(bytesSent = write(sock, rest, bytesToSend)) != bytesToSend\n");
goto writefail;
} else {
announce("%s\n%s\nwriteOK\n%d\n",
sender,
self,
bytesSent);
sendFormattedMsgFP(stdout,
"%s\n%s\nwriteOK\n%d\n",
sender,
self,
bytesSent);
}
}
}
continue;
writefail:
announce("%s\n%s\nwriteFailure\n", sender, self);
sendFormattedMsgFP(stdout, "%s\n%s\nwriteFailure\n", sender, self);
} else if(!strcmp(cmd, "close")){
int slotNumber = -1;
if(!closed){
closed = 1;
if(close(sock) < 0){
fprintf(stderr, "close failed in socket close case\n");
}
announce("%s\n%s\ncloseOK\n", sender, self);
sendFormattedMsgFP(stdout, "%s\n%s\ncloseOK\n", sender, self);
iop_usleep(1);
announce("Socket called %s unregistering\n", self);
slotNumber = deleteFromRegistry(self);
announce("Socket called %s removed from slot %d, now exiting\n",
self, slotNumber);
exit(EXIT_SUCCESS);
} else {
announce("%s\n%s\ncloseFailure\n", sender, self);
sendFormattedMsgFP(stdout, "%s\n%s\ncloseFailure\n", sender, self);
}
} else {
fprintf(stderr, "didn't understand: (command)\n\t \"%s\" \n", messageIn->data);
continue;
}
}
}
int main(int argc, char** argv){
if(argc != 1){
fprintf(stderr, "Usage: %s\n", argv[0]);
}
self_debug_flag = PVS_ACTOR_DEBUG;
self = argv[0];
ec_neg1( iop_install_handlers(chld_handler, intr_handler) );
ec_neg1( pipe(pin) );
ec_neg1( pipe(perr) );
ec_neg1( pipe(pout) );
/*it's time to fork */
ec_neg1( child = fork() );
if(child == 0){
/* i'm destined to be pvs */
ec_neg1( dup2(pin[0], STDIN_FILENO) );
ec_neg1( dup2(perr[1], STDERR_FILENO) );
ec_neg1( dup2(pout[1], STDOUT_FILENO) );
ec_neg1( close(pin[0]) );
ec_neg1( close(perr[1]) );
ec_neg1( close(pout[1]) );
ec_neg1( execvp(pvs_exe, pvs_argv) );
} else {
/* i'm the boss */
pthread_t errThread;
fdBundle errFdB;
/* for monitoring the error stream */
errFdB.fd = perr[0];
errFdB.exit = &child_died;
ec_neg1( close(pin[0]) );
ec_neg1( close(perr[1]) );
ec_neg1( close(pout[1]) );
/* sleep(2); */
ec_rv( pthread_create(&errThread, NULL, echoErrorsSilently, &errFdB) );
announce("Listening to PVS\n");
parsePVSThenEcho("\ncl-user(", pout[0], STDOUT_FILENO);
write(pin[1], "(in-package 'pvs)\n", strlen("(in-package 'pvs)\n"));
announce("Listening to PVS\n");
parsePVSThenEcho("\npvs(", pout[0], STDOUT_FILENO);
while(1){
int length, retval;
msg *query = NULL, *response = NULL;
char *sender, *command;
announce("Listening to IO\n");
query = acceptMsg(STDIN_FILENO);
if(query == NULL) continue;
retval = parseActorMsg(query->data, &sender, &command);
write(pin[1], command, strlen(command));
write(pin[1], "\n", 1);
announce("Listening to PVS\n");
response = readPVSMsg("\npvs(", pout[0]);
if(response != NULL){
length = parseString(response->data, response->bytesUsed);
response->bytesUsed = length;
sendFormattedMsgFP(stdout, "%s\n%s\n%s\n", sender, self, response->data);
if(self_debug_flag)writeMsg(STDERR_FILENO, response);
announce("\nparseThenEcho wrote %d bytes\n", response->bytesUsed);
}
freeMsg(query);
freeMsg(response);
}
}
exit(EXIT_SUCCESS);
EC_CLEANUP_BGN
exit(EXIT_FAILURE);
EC_CLEANUP_END
}
int main(int argc, char** argv){
msg *message = NULL;
char childName[SIZE], fdName[SIZE], iopPid[SIZE];
int retval, portNo;
char *port, *sender, *rest, *body, *cmd;
if(argv == NULL){
fprintf(stderr, "didn't understand: (argv == NULL)\n");
exit(EXIT_FAILURE);
}
if(argc != 3){
fprintf(stderr, "didn't understand: (argc != 3)\n");
exit(EXIT_FAILURE);
}
iop_pid = getppid();
self_debug_flag = SOCKETFACTORY_DEBUG;
self = argv[0];
registry_fifo_in = argv[1];
registry_fifo_out = argv[2];
if(iop_install_handler(SIGCHLD, 0, socketfactory_sigchild_handler) != 0){
perror("socketfactory could not install signal handler");
exit(EXIT_FAILURE);
}
while(1){
requestNo++;
freeMsg(message);
message = acceptMsg(STDIN_FILENO);
if(message == NULL){
perror("socketfactory acceptMsg failed");
continue;
}
announce("Received message->data = \"%s\"\n", message->data);
retval = parseActorMsg(message->data, &sender, &body);
if(!retval){
fprintf(stderr, "didn't understand: (parseActorMsg)\n\t \"%s\" \n", message->data);
continue;
}
if(getNextToken(body, &cmd, &rest) <= 0){
fprintf(stderr, "didn't understand: (cmd)\n\t \"%s\" \n", body);
continue;
}
if(!strcmp(cmd, "openclient")){
char *host;
announce("openclient case\n");
if(getNextToken(rest, &host, &rest) <= 0){
fprintf(stderr, "didn't understand: (host)\n\t \"%s\" \n", rest);
continue;
}
if(getNextToken(rest, &port, &rest) <= 0){
fprintf(stderr, "didn't understand: (port)\n\t \"%s\" \n", rest);
continue;
}
portNo = atoi(port);
announce("port = %d\n", portNo);
if(allocateSocket(portNo, host, &clientFd) != 1){ goto openclientfail; }
snprintf(childName, SIZE, "%s%d", clientChildName, clientNo);
snprintf(fdName, SIZE, "%d", clientFd);
clientChildArgv[0] = childName;
announce("clientChildArgv[0] = %s\n", clientChildArgv[0]);
clientChildArgv[1] = fdName;
announce("clientChildArgv[1] = %s\n", clientChildArgv[1]);
clientChildArgv[2] = registry_fifo_in;
announce("clientChildArgv[2] = %s\n", clientChildArgv[2]);
clientChildArgv[3] = registry_fifo_out;
announce("clientChildArgv[3] = %s\n", clientChildArgv[3]);
clientChildArgv[4] = NULL;
announce("clientChildArgv[4] = %s\n", clientChildArgv[4]);
announce("Spawning actor\n");
newActor(1, clientChildExe, clientChildArgv);
announce("%s\n%s\nopenClientOK\n%s\n", sender, self, childName);
sendFormattedMsgFP(stdout,
"%s\n%s\nopenClientOK\n%s\n",
sender, self, childName);
clientNo++;
if(close(clientFd) < 0){
fprintf(stderr, "close failed in openclient case\n");
}
continue;
openclientfail:
announce("%s\n%s\nopenClientFailure\n", sender, self);
sendFormattedMsgFP(stdout, "%s\n%s\nopenClientFailure\n", sender, self);
continue;
} else if(!strcmp(cmd, "openlistener")){
announce("openlistener case\n");
if(getNextToken(rest, &port, &rest) <= 0){
fprintf(stderr, "didn't understand: (port)\n\t \"%s\" \n", rest);
continue;
}
portNo = atoi(port);
announce("port = %d\n", portNo);
if(allocateListeningSocket(portNo, &listenerFd) != 1){
fprintf(stderr, "Couldn't listen on port\n");
goto openlistenerfail;
}
snprintf(childName, SIZE, "%s%d", listenerChildName, listenerNo);
snprintf(fdName, SIZE, "%d", listenerFd);
snprintf(iopPid, SIZE, "%d", iop_pid);
listenerChildArgv[0] = childName;
announce("listenerChildArgv[0] = %s\n", listenerChildArgv[0]);
listenerChildArgv[1] = fdName;
announce("listenerChildArgv[1] = %s\n", listenerChildArgv[1]);
listenerChildArgv[2] = sender;
announce("listenerChildArgv[2] = %s\n", listenerChildArgv[2]);
listenerChildArgv[3] = registry_fifo_in;
announce("listenerChildArgv[3] = %s\n", listenerChildArgv[3]);
listenerChildArgv[4] = registry_fifo_out;
announce("listenerChildArgv[4] = %s\n", listenerChildArgv[4]);
listenerChildArgv[5] = iopPid;
announce("listenerChildArgv[5] = %s\n", listenerChildArgv[5]);
listenerChildArgv[6] = NULL;
announce("listenerChildArgv[6] = %s\n", listenerChildArgv[6]);
announce("Spawning actor\n");
newActor(1, listenerChildExe, listenerChildArgv);
announce("Spawned actor\n");
announce("%s\n%s\nopenListenerOK\n%s\n",
sender, self, childName);
sendFormattedMsgFP(stdout,
"%s\n%s\nopenListenerOK\n%s\n",
sender, self, childName);
listenerNo++;
if(close(listenerFd) < 0){
fprintf(stderr, "close failed in openlistener case\n");
}
continue;
openlistenerfail:
announce("%s\n%s\nopenListenerFailure\n", sender, self);
sendFormattedMsgFP(stdout, "%s\n%s\nopenListenerFailure\n", sender, self);
continue;
} else {
fprintf(stderr, "didn't understand: (command)\n\t \"%s\" \n", message->data);
continue;
}
}
}