#include "Transport/transport_private.h"
#include <msg.h>
+#include "Virtu/virtu_sg.h"
-//GRAS_LOG_EXTERNAL_CATEGORY(transport);
-//GRAS_LOG_DEFAULT_CATEGORY(transport);
+GRAS_LOG_EXTERNAL_CATEGORY(transport);
+GRAS_LOG_DEFAULT_CATEGORY(transport);
/**
* gras_trp_select:
* if timeout>0 and no message there, wait at most that amount of time before giving up.
*/
gras_error_t
-gras_trp_select(double timeout,
+gras_trp_select(double timeout,
gras_socket_t **dst) {
- double startTime=gras_time();
+ gras_error_t errcode;
+ double startTime=gras_os_time();
gras_procdata_t *pd=gras_procdata_get();
-
+ gras_trp_sg_sock_data_t *sockdata;
+ gras_trp_plugin_t *trp;
+
+ gras_socket_t *sock_iter; /* iterating over all sockets */
+ int cursor,cpt;
+
+ gras_sg_portrec_t pr; /* iterating to find the chanel of expeditor */
+
+ int r_pid;
+ gras_hostdata_t *remote_hd;
+
+ DEBUG3("select on %s@%s with timeout=%f",
+ MSG_process_get_name(MSG_process_self()),
+ MSG_host_get_name(MSG_host_self()),
+ timeout);
do {
- if (MSG_task_Iprobe((m_channel_t) pd->chan)) {
- *dst = pd->sock;
+ r_pid = MSG_task_probe_from((m_channel_t) pd->chan);
+ if (r_pid >= 0) {
+ /* Try to reuse an already openned socket to that expeditor */
+ gras_dynar_foreach(pd->sockets,cursor,sock_iter) {
+ DEBUG1("Consider %p as outgoing socket to expeditor",sock_iter);
+ sockdata = sock_iter->data;
+
+ if (sock_iter->raw || !sock_iter->outgoing)
+ continue;
+
+ if (sockdata->from_PID == r_pid) {
+ *dst=sock_iter;
+ return no_error;
+ }
+ }
+
+ /* Socket to expeditor not created yet */
+ DEBUG0("Create a socket to the expeditor");
+
+ TRY(gras_trp_plugin_get_by_name("sg",&trp));
+
+ TRY(gras_trp_socket_new(1,dst));
+ (*dst)->plugin = trp;
+
+ (*dst)->incoming = 1;
+ (*dst)->outgoing = 1;
+ (*dst)->accepting = 0;
+ (*dst)->sd = -1;
+
+ (*dst)->port = -1;
+
+ if (!(sockdata = malloc(sizeof(gras_trp_sg_sock_data_t))))
+ RAISE_MALLOC;
+
+ sockdata->from_PID = MSG_process_self_PID();
+ sockdata->to_PID = r_pid;
+ sockdata->to_host = MSG_process_get_host(MSG_process_from_PID(r_pid));
+ (*dst)->data = sockdata;
+
+ (*dst)->peer_name = strdup(MSG_host_get_name(sockdata->to_host));
+
+ remote_hd=(gras_hostdata_t *)MSG_host_get_data(sockdata->to_host);
+ gras_assert0(remote_hd,"Run gras_process_init!!");
+
+ sockdata->to_chan = -1;
+ (*dst)->peer_port = -10;
+ for (cursor=0; cursor<GRAS_MAX_CHANNEL; cursor++) {
+ if (remote_hd->proc[cursor] == r_pid) {
+ sockdata->to_chan = cursor;
+ DEBUG2("Chan %d on %s is for my pal",
+ cursor,(*dst)->peer_name);
+
+ gras_dynar_foreach(remote_hd->ports, cpt, pr) {
+ if (sockdata->to_chan == pr.tochan) {
+ if (pr.raw) {
+ DEBUG0("Damn, it's raw");
+ continue;
+ }
+
+ (*dst)->peer_port = pr.port;
+ DEBUG1("Cool, it points to port %d", pr.port);
+ break;
+ } else {
+ DEBUG2("Wrong port (tochan=%d, looking for %d)\n",
+ pr.tochan,sockdata->to_chan);
+ }
+ }
+ if ((*dst)->peer_port == -10) {
+ /* was raw */
+ sockdata->to_chan = -1;
+ } else {
+ /* found it, don't let it override by raw */
+ break;
+ }
+ }
+ }
+ gras_assert0(sockdata->to_chan != -1,
+ "Got a message from a process without channel");
return no_error;
} else {
- MSG_process_sleep(0.001);
+ /*
+ DEBUG2("Select on %s@%s did not find anything yet",
+ MSG_process_get_name(MSG_process_self()),
+ MSG_host_get_name(MSG_host_self()));
+ */
+ // MSG_process_sleep(1);
+ MSG_process_sleep(0.01);
}
- } while (gras_time()-startTime < timeout
+ } while (gras_os_time()-startTime < timeout
|| MSG_task_Iprobe((m_channel_t) pd->chan));
return timeout_error;
}
-
+
/* dummy implementations of the functions used in RL mode */
gras_error_t gras_trp_tcp_setup(gras_trp_plugin_t *plug) {