int main()
{
zmq::context_t context(1);
zmq::socket_t socket_rec(context, ZMQ_PULL);
socket_rec.connect("tcp://192.168.8.102:5557"); //localhost
zmq::socket_t socket_sink(context, ZMQ_PUSH);
socket_sink.connect("tcp://192.168.8.102:5558"); //localhost
int line;
std::string scanned_line;
while (true)
{
line = std::stoi(s_recv(socket_rec));
scanned_line = scan_line(line);
std::cout << "received: " << line << std::endl;
s_send(socket_sink, std::string("head3: ") + std::to_string(line) + " :: " + scanned_line);
}
}
int fcgi_server_recv_stdout_stderr_record(fcgi_request_t *fr,
uint16_t request_id, void *buffer)
{
apr_status_t status = OK;
/* state information */
uint8_t type = FCGI_UNKNOWN_TYPE;
uint32_t payload_len = 0;
uint16_t padding_len = 0;
int seen_eos = 0;
int is_cgi_header = 1;
char *p, *data;
int i;
do {
payload_len = 0;
/* Step 1: read FCGI packet header */
ssize_t bytes_read = socket_recv(fr, buffer, FCGI_HEADER_LEN);
if (bytes_read == -1) {
status = HTTP_INTERNAL_SERVER_ERROR;
goto out;
}
if (bytes_read < FCGI_HEADER_LEN) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, fr->r,
"FastCGI: premature end of header from backend server (id=%u, bytes_read=%lu, needed=%u)",
request_id, bytes_read, FCGI_HEADER_LEN);
status = HTTP_INTERNAL_SERVER_ERROR;
goto out;
}
/* Step 2: parse header */
status = fcgi_server_recv_check_header(fr, request_id,
(fcgi_header_t)buffer, &type, &payload_len, &padding_len);
if (status != OK)
goto out;
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, fr->r,
"FastCGI: packet received (id=%u, type=%u, payload_len=%u)",
request_id, type, payload_len);
/* Step 3: read FCGI payload */
bytes_read = socket_recv(fr, buffer, payload_len);
if (bytes_read == -1) {
status = HTTP_INTERNAL_SERVER_ERROR;
goto out;
}
if (bytes_read < payload_len) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, fr->r,
"FastCGI: premature end of payload from backend server (id=%u, bytes_read=%lu, needed=%u)",
request_id, bytes_read, payload_len);
status = HTTP_INTERNAL_SERVER_ERROR;
goto out;
}
payload_len -= padding_len;
data = buffer;
data[payload_len] = '\0';
/* Step 4: handle packet types */
switch (type) {
case FCGI_END_REQUEST:
seen_eos = 1;
break;
case FCGI_STDOUT:
p = data;
if (is_cgi_header) {
is_cgi_header = 0;
/* TODO: nph */
/* XXX: this assumes that the backend does not send more
* than 64K of headers, which is probably safe, but it
* should be fixed nevertheless. */
status = fcgi_server_parse_headers(fr, request_id,
&data);
if (status != OK) {
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, fr->r,
"FastCGI: => CGI headers return not OK (id=%u, status=%i)",
request_id, status);
goto out;
}
if (data) {
payload_len -= (data - p);
}
}
/* content-length = 0 */
if (data && *data) {
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, fr->r,
"FastCGI: sending CGI data (id=%u, payload_len=%u)",
request_id, payload_len);
status = fcgi_server_send_stdout_data(fr, request_id,
data, payload_len);
if (status != OK) {
goto out;
}
}
break;
case FCGI_STDERR:
p = data;
for (i = 0; i < payload_len; i++) {
if (data[i] == '\n' || data[i] == '\r' || data[i] == '\0') {
data[i] = '\0';
if ((data - p) > 0) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, fr->r,
"FastCGI: STDERR(id=%u): %s", request_id, p);
}
p = data + i + 1;
}
}
break;
}
} while (!seen_eos);
out:
socket_sink(fr);
fcgi_server_disconnect(fr);
return status;
}