memcpy(_GRAS_header,"GRAS", 4);
_GRAS_header[4]=GRAS_PROTOCOL_VERSION;
_GRAS_header[5]=(char)GRAS_THISARCH;
+
+ gras_msg_ctx_mallocator =
+ xbt_mallocator_new(1000,
+ gras_msg_ctx_mallocator_new_f,
+ gras_msg_ctx_mallocator_free_f,
+ gras_msg_ctx_mallocator_reset_f);
}
/*
gras_msg_exit(void) {
VERB0("Exiting Msg");
xbt_set_free(&_gras_msgtype_set);
+
+ xbt_mallocator_free(gras_msg_ctx_mallocator);
}
/*
free(msgtype);
}
}
+/**
+ * Dump all declared message types (debugging purpose)
+ */
+void gras_msgtype_dumpall(void) {
+ xbt_set_cursor_t cursor;
+ gras_msgtype_t msgtype=NULL;
+
+ INFO0("Dump of all registered messages:");
+ xbt_set_foreach(_gras_msgtype_set, cursor, msgtype) {
+ INFO6(" Message name: %s (v%d) %s; %s%s%s",
+ msgtype->name, msgtype->version, e_gras_msg_kind_names[msgtype->kind],
+ gras_datadesc_get_name(msgtype->ctn_type),
+ (msgtype->kind==e_gras_msg_kind_rpccall ? " -> ":""),
+ (msgtype->kind==e_gras_msg_kind_rpccall ? gras_datadesc_get_name(msgtype->answer_type) : ""));
+ }
+}
+
/**
* make_namev:
e_gras_msg_kind_oneway, payload, NULL);
}
-/** @brief retrieve an existing message type from its name. */
+/** @brief retrieve an existing message type from its name (raises an exception if it does not exist). */
gras_msgtype_t gras_msgtype_by_name (const char *name) {
return gras_msgtype_by_namev(name,0);
}
+/** @brief retrieve an existing message type from its name (or NULL if it does not exist). */
+gras_msgtype_t gras_msgtype_by_name_or_null (const char *name) {
+ xbt_ex_t e;
+ gras_msgtype_t res = NULL;
+
+ TRY {
+ res = gras_msgtype_by_namev(name,0);
+ } CATCH(e) {
+ res = NULL;
+ xbt_ex_free(e);
+ }
+ return res;
+}
/** @brief retrieve an existing message type from its name and version. */
gras_msgtype_t gras_msgtype_by_namev(const char *name,
short int version) {
gras_msgtype_t res = NULL;
- char *namev = make_namev(name,version);
+ char *namev = make_namev(name,version);
+ volatile int found=0;
xbt_ex_t e;
TRY {
res = (gras_msgtype_t)xbt_set_get_by_name(_gras_msgtype_set, namev);
+ found=1;
} CATCH(e) {
xbt_ex_free(e);
- THROW1(not_found_error,0,"No registred message of that name: %s",name);
}
+ if (!found)
+ THROW1(not_found_error,0,"No registred message of that name: %s",name);
+
if (name != namev)
free(namev);
xbt_assert0(msg_got,"msg_got is an output parameter");
+ start = gras_os_time();
VERB1("Waiting for message '%s'",msgt_want?msgt_want->name:"(any)");
- start = now = gras_os_time();
-
xbt_dynar_foreach(pd->msg_queue,cpt,msg){
if ( ( !msgt_want || (msg.type->code == msgt_want->code))
&& (!expe_want || (!strcmp( gras_socket_peer_name(msg.expe),
}
while (1) {
+ int need_restart;
+ xbt_ex_t e;
+
+ restart_receive: /* Goto here when the receive of a message failed */
+ need_restart=0;
+ now=gras_os_time();
memset(&msg,sizeof(msg),0);
- msg.expe = gras_trp_select(timeout ? timeout - now + start : 0);
- gras_msg_recv(msg.expe, &msg);
+ TRY {
+ msg.expe = gras_trp_select(timeout ? timeout - now + start : 0);
+ gras_msg_recv(msg.expe, &msg);
+ } CATCH(e) {
+ if (e.category == system_error &&
+ !strncmp("Socket closed by remote side",e.msg,
+ strlen("Socket closed by remote side"))) {
+ xbt_ex_free(e);
+ need_restart=1;
+ } else {
+ RETHROW;
+ }
+ }
+ if (need_restart)
+ goto restart_receive;
+
DEBUG0("Got a message from the socket");
if ( ( !msgt_want || (msg.type->code == msgt_want->code))
}
if (ctx)
- *ctx=gras_msg_cb_ctx_new(msg.expe,msg.type,msg.ID,60);
+ *ctx=gras_msg_cb_ctx_new(msg.expe, msg.type, msg.ID,
+ (msg.kind == e_gras_msg_kind_rpccall), 60);
if (msgt_got)
*msgt_got = xbt_dynar_search(msgt_want,msg.type);
double untiltimer;
- int cpt, ran_ok;
+ int cpt;
+ int volatile ran_ok;
s_gras_msg_t msg;
ctx.expeditor = msg.expe;
ctx.ID = msg.ID;
ctx.msgtype = msg.type;
+ ctx.answer_due = (msg.kind == e_gras_msg_kind_rpccall);
switch (msg.kind) {
case e_gras_msg_kind_oneway:
gras_msg_send_ext(msg.expe, e_gras_msg_kind_rpcerror,
msg.ID, msg.type, &e);
xbt_ex_free(e);
+ ctx.answer_due = 0;
ran_ok=1;
} else {
RETHROW0("Callback raised an exception: %s");
}
}
+ xbt_assert0(!(ctx.answer_due),
+ "RPC callback didn't call gras_msg_rpcreturn");
+
if (!ran_ok)
THROW1(mismatch_error,0,
"Message '%s' refused by all registered callbacks", msg.type->name);
gras_msg_cb_ctx_t gras_msg_cb_ctx_new(gras_socket_t expe,
gras_msgtype_t msgtype,
unsigned long int ID,
+ int answer_due,
double timeout) {
gras_msg_cb_ctx_t res=xbt_new(s_gras_msg_cb_ctx_t,1);
res->expeditor = expe;
res->msgtype = msgtype;
res->ID = ID;
res->timeout = timeout;
+ res->answer_due = answer_due;
+
return res;
}
/* \brief Frees a message exchange context