/**
* handles a client request
*/
static int
write_request(stream_t *s, request_rec *r,
config_t *config, cluster_t *cluster, int *keepalive,
int session_index, int backup_index,
char *ip, char *session_id)
{
int len;
int code;
int write_length;
time_t new_time;
time_t start_time = r->request_time;
hmux_start_channel(s, 1);
write_env(s, r, session_id);
write_headers(s, r);
write_added_headers(s, r);
/* read post data */
if (ap_should_client_block(r)) {
char buf[BUF_LENGTH];
int ack_size = s->cluster_srun->srun->send_buffer_size;
int send_length = 0;
while ((len = ap_get_client_block(r, buf, BUF_LENGTH)) > 0) {
/* ap_reset_timeout(r); */
cse_write_packet(s, HMUX_DATA, buf, len);
send_length += len;
if (ack_size <= send_length) {
send_length = 0;
cse_write_byte(s, HMUX_YIELD);
code = send_data(s, r, HMUX_ACK, keepalive);
if (code < 0 || code == HMUX_QUIT || code == HMUX_EXIT)
break;
}
}
}
cse_write_byte(s, HMUX_QUIT);
code = send_data(s, r, HMUX_QUIT, keepalive);
if (code >= 0 || s->sent_data)
return code;
write_length = s->write_length;
if (cse_open_connection(s, cluster, session_index, backup_index,
r->request_time, r->pool)) {
s->write_length = write_length;
LOG(("retry connection %d\n", s->socket));
return send_data(s, r, HMUX_QUIT, keepalive);
}
else {
return HTTP_SERVICE_UNAVAILABLE;
}
}
/**
* Handle a request.
*/
static int
caucho_request(request_rec *r, config_t *config, resin_host_t *host,
unsigned int now)
{
stream_t s;
int retval;
int code = -1;
int session_index;
int backup_index = 0;
char *ip;
srun_t *srun;
if ((retval = ap_setup_client_block(r, REQUEST_CHUNKED_DECHUNK)))
return retval;
session_index = get_session_index(config, r, &backup_index);
ip = r->connection->REMOTE_IP;
if (host) {
}
else if (config->manual_host) {
host = config->manual_host;
}
else {
host = cse_match_host(config,
ap_get_server_name(r),
ap_get_server_port(r),
now);
}
LOG(("%s:%d:caucho_request(): session index: %d\n",
__FILE__, __LINE__, session_index));
if (! host) {
ERR(("%s:%d:caucho_request(): no host: %p\n",
__FILE__, __LINE__, host));
return HTTP_SERVICE_UNAVAILABLE;
}
else if (! cse_open_connection(&s, &host->cluster,
session_index, backup_index,
now, r->pool)) {
ERR(("%s:%d:caucho_request(): no connection: cluster(%p)\n",
__FILE__, __LINE__, &host->cluster));
return HTTP_SERVICE_UNAVAILABLE;
}
srun = s.cluster_srun->srun;
apr_thread_mutex_lock(srun->lock);
srun->active_sockets++;
apr_thread_mutex_unlock(srun->lock);
code = write_request(&s, r, config, session_index, backup_index);
apr_thread_mutex_lock(srun->lock);
srun->active_sockets--;
apr_thread_mutex_unlock(srun->lock);
/* on failure, do not failover but simply fail */
if (code == HMUX_QUIT)
cse_free_idle(&s, now);
else
cse_close(&s, "no reuse");
if (code != HMUX_QUIT && code != HMUX_EXIT) {
ERR(("%s:%d:caucho_request(): protocol failure code:%d\n",
__FILE__, __LINE__, code));
return HTTP_SERVICE_UNAVAILABLE;
}
else if (r->status == HTTP_SERVICE_UNAVAILABLE) {
cse_close(&s, "close from 503");
cse_srun_unavail(srun, now);
return HTTP_SERVICE_UNAVAILABLE;
}
else {
/*
* See pages like jms/index.xtp
int status = r->status;
r->status = HTTP_OK;
return status;
*/
return OK;
}
}
/**
* Handle a request.
*/
static int
caucho_request(request_rec *r)
{
config_t *config = cse_get_module_config(r);
resin_host_t *host = 0;
stream_t s;
int retval;
int keepalive = 0;
int reuse;
int session_index;
int backup_index;
char *ip;
time_t now = r->request_time;
char *session_id = 0;
if (! config)
return HTTP_SERVICE_UNAVAILABLE;
if ((retval = ap_setup_client_block(r, REQUEST_CHUNKED_DECHUNK)))
return retval;
/* ap_soft_timeout("servlet request", r); */
if (r->request_config && ! *config->alt_session_url_prefix &&
((session_id = ap_get_module_config(r->request_config, &caucho_module)) ||
r->prev &&
(session_id = ap_get_module_config(r->prev->request_config, &caucho_module)))) {
/* *session_id = *config->session_url_prefix; */
}
session_index = get_session_index(config, r, &backup_index);
ip = r->connection->remote_ip;
if (host) {
}
else if (config->manual_host)
host = config->manual_host;
else {
host = cse_match_host(config,
ap_get_server_name(r),
ap_get_server_port(r),
now);
}
if (! host ||
! cse_open_connection(&s, &host->cluster, session_index, backup_index,
now, r->pool)) {
return HTTP_SERVICE_UNAVAILABLE;
}
reuse = write_request(&s, r, config, &host->cluster, &keepalive,
session_index, backup_index,
ip, session_id);
/*
ap_kill_timeout(r);
*/
ap_rflush(r);
if (reuse == HMUX_QUIT)
cse_recycle(&s, now);
else
cse_close(&s, "no reuse");
if (reuse == HTTP_SERVICE_UNAVAILABLE)
return reuse;
else
return OK;
}
