void* producer(void* arg)
{ Chan* writer;
int* buf;
int id;
id = GETID(arg);
printf("Producer %d starting"ENDL,id);
writer = Chan_Open(GETCHAN(arg),CHAN_WRITE);
buf = (int*)Chan_Token_Buffer_Alloc(writer);
do
{ buf[0] = InterlockedIncrement(&item);
usleep(1);
usleep(1);
printf("Producer: item %4d [ + ] %d"ENDL, buf[0], id);
#pragma omp critical
{
mymax(&pmax,*buf);
}
Chan_Next(writer,(void**)&buf,sizeof(int));
} while(!stop);
Chan_Token_Buffer_Free(buf);
Chan_Close(writer);
printf("Producer %d exiting"ENDL,id);
return NULL;
}
void* consumer(void* arg)
{ Chan* reader;
int* buf,id;
id = GETID(arg);
printf("Consumer %d starting\n",id);
reader = Chan_Open(GETCHAN(arg),CHAN_READ);
buf = (int*)Chan_Token_Buffer_Alloc(reader);
while(CHAN_SUCCESS(Chan_Next(reader,(void**)&buf,sizeof(int))))
{ //i=InterlockedDecrement(&item);
printf("Consumer: item %4d [ - ] %d"ENDL, buf[0], id);
#pragma omp critical
{
mymax(&cmax,buf[0]);
}
}
Chan_Token_Buffer_Free(buf);
Chan_Close(reader);
printf("Consumer %d exiting"ENDL,id);
return NULL;
}
int qcs__parse_qchat_msg(
const char * pmsg, ssize_t pmsg_len,
qcs_msg * msg )
{
char ch;
assert( pmsg && pmsg_len && msg );
qcs__cleanupmsg(msg);
GETCHAR(ch);
switch(ch) {
case '0':
msg->msg = QCS_MSG_REFRESH_REQUEST;
GETSTR(msg->src);
break;
case '1':
msg->msg = QCS_MSG_REFRESH_ACK;
GETSTR(msg->dst);
GETSTR(msg->src);
GETMODE(msg->umode);
if( pmsg_len ) {
/* check for `ACTIVE' bit in qc16 messages */
GETACTIVE(msg->uactive);
} else {
/* uactive=TRUE per default */
msg->uactive = 1;
}
break;
case '2':
msg->msg = QCS_MSG_CHANNEL_BROADCAST;
GETCHAN(msg->chan);
GETSTR(msg->src);
GETSTR(msg->text);
break;
case '4':
msg->msg = QCS_MSG_CHANNEL_JOIN;
GETSTR(msg->src);
GETCHAN(msg->chan);
GETMODE(msg->umode);
/*dummy byte skipped*/
break;
case '5':
msg->msg = QCS_MSG_CHANNEL_LEAVE;
GETSTR(msg->src);
GETCHAN(msg->chan);
/*dummy*/
break;
case 'A':
msg->msg = QCS_MSG_CHANNEL_ME;
GETCHAN(msg->chan);
GETSTR(msg->src);
GETSTR(msg->text);
break;
case '7':
msg->msg = QCS_MSG_MESSAGE_ACK;
GETMODE(msg->umode);
GETSTR(msg->dst);
GETSTR(msg->src);
GETCHAR(ch); /* dummy */
GETSTR(msg->text);
break;
case 'E':
msg->msg = QCS_MSG_MESSAGE_MASS;
GETSTR(msg->src);
GETSTR(msg->dst);
GETSTR(msg->text);
break;
case '6':
msg->msg = QCS_MSG_MESSAGE_SEND;
GETSTR(msg->src);
GETSTR(msg->dst);
GETSTR(msg->text);
break;
case '3':
msg->msg = QCS_MSG_RENAME;
GETSTR(msg->src);
GETSTR(msg->text);
/*dummy*/
break;
case 'D':
msg->msg = QCS_MSG_MODE_CHANGE;
GETSTR(msg->src);
GETMODE(msg->umode);
/* dummy byte passed by */
break;
case 'M':
msg->msg = QCS_MSG_ACTIVE_CHANGE;
GETSTR(msg->src);
GETACTIVE(msg->uactive);
break;
case 'C':
msg->msg = QCS_MSG_TOPIC_REPLY;
GETSTR(msg->dst);
GETSTR(msg->text);
/* add "Main" as msg->chan */
msg->chan = malloc(5);
if(!msg->chan) {
qcs__cleanupmsg(msg);
errno = ENOMEM;
return 0;
}
memcpy(msg->chan, "Main", 5);
break;
case 'B':
msg->msg = QCS_MSG_TOPIC_CHANGE;
GETSTR(msg->text);
/* fill in "Main": this is unsupported in qc,
* thus we need to fill it in */
msg->chan = malloc(5);
if(!msg->chan) {
qcs__cleanupmsg(msg);
errno = ENOMEM;
return 0;
}
memcpy(msg->chan, "Main", 5);
break;
case 'G':
msg->msg = QCS_MSG_INFO_REPLY;
GETSTR(msg->dst);
GETSTR(msg->src);
GETSTR(msg->text);
/* skip 3 strings - not used */
GETSTR(msg->chan);free(msg->chan);
GETSTR(msg->chan);free(msg->chan);
GETSTR(msg->chan);free(msg->chan);
GETSTR(msg->chan);
GETSTR(msg->supp);
break;
case 'F':
msg->msg = QCS_MSG_INFO_REQUEST;
GETSTR(msg->dst);
GETSTR(msg->src);
break;
case 'K':
msg->msg = QCS_MSG_CHANMEMBER_REPLY;
GETSTR(msg->dst);
GETSTR(msg->chan);
GETSTR(msg->src);
break;
case 'L':
msg->msg = QCS_MSG_CHANMEMBER_REQUEST;
GETSTR(msg->src);
break;
case 'O':
msg->msg = QCS_MSG_CHANLIST_REPLY;
GETSTR(msg->dst);
GETSTR(msg->chan);
break;
case 'N':
msg->msg = QCS_MSG_CHANLIST_REQUEST;
GETSTR(msg->src);
break;
case 'H':
GETCHAR(ch);
switch(ch) {
case '1': msg->msg = QCS_MSG_BEEP_ACK; break;
case '0': msg->msg = QCS_MSG_BEEP_SEND; break;
default: errno = ENOMSG;
return 0;
}
GETSTR(msg->dst);
GETSTR(msg->src);
/* dummy byte when 'H1' */
break;
case 'J':
GETCHAR(ch);
switch(ch) {
case '0':msg->msg = QCS_MSG_PRIVATE_OPEN; break;
case '1':msg->msg = QCS_MSG_PRIVATE_CLOSE; break;
case '2':msg->msg = QCS_MSG_PRIVATE_TEXT; break;
case '3':msg->msg = QCS_MSG_PRIVATE_ME; break;
default: errno = ENOMSG;
return 0;
}
GETSTR(msg->src);
GETSTR(msg->dst);
if(ch=='2'||ch=='3') {
GETSTR(msg->text);
}
break;
default:
errno = ENOMSG;
return 0;
}
return 1;
}
int qcs__parse_vypress_msg(
const char * src, int src_len,
qcs_msg * msg )
{
int parsed_ok;
char ch;
qcs__cleanupmsg(msg);
/* check for signature consistency and duplicates */
if( src_len < (QCS_SIGNATURE_LENGTH + 2) ) {
/* not a vypress extension packet */
errno = ENOMSG;
return 0;
}
if( qcs__known_dup_entry(src+1)) {
/* duplicate encountered: ignore */
return 1;
} else {
/* not seen before: register */
qcs__insert_dup_entry(src+1);
}
/* skip signature: already parsed */
src += QCS_SIGNATURE_LENGTH + 1;
src_len -= QCS_SIGNATURE_LENGTH + 1;
/* parse message contents */
switch( *(src++) )
{
case 'B':
msg->msg = QCS_MSG_TOPIC_CHANGE;
GETCHAN(msg->chan);
GETSTR(msg->text);
break;
case 'C':
msg->msg = QCS_MSG_TOPIC_REPLY;
GETSTR(msg->dst);
GETCHAN(msg->chan);
GETSTR(msg->text);
break;
case 'G':
msg->msg = QCS_MSG_INFO_REPLY;
GETSTR(msg->dst);
GETSTR(msg->src);
GETSTR(msg->text);
GETSTR(msg->chan);free(msg->chan);
GETSTR(msg->chan);free(msg->chan);
GETSTR(msg->chan);
GETSTR(msg->supp);
break;
default:
/* where it doesn't diff: parse with qc parser */
parsed_ok = qcs__parse_qchat_msg(src-1, src_len, msg);
/* flush msg id cache if the user has left the net
* (seems like, vypress chat v1.0 repeats the same
* msg id, if restarted: unseeded rand() ??)
*/
if(parsed_ok && msg->msg==QCS_MSG_CHANNEL_LEAVE
&& !strcasecmp(msg->chan, "main"))
{
qcs__cleanup_dup();
}
return parsed_ok;
}
return 1;
}
