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void roof_init() {
hw_sched_init();
}
Roof *roof_new(UfoRoofConfig *cfg, GError **error) {
guint i;
GError *gerr = NULL;
Roof *ctx = (Roof*)calloc(1, sizeof(Roof));
if (!ctx) roof_new_error(error, "Can't allocate Roof context");
ctx->cfg = cfg;
ctx->n_threads = cfg->n_streams / cfg->sockets_per_thread;
if (cfg->n_streams % cfg->sockets_per_thread) ctx->n_threads++;
ctx->rdi = (RoofReadInterface**)calloc(cfg->n_streams, sizeof(RoofReadInterface*));
ctx->rdc = (RoofReadContext**)calloc(cfg->n_streams, sizeof(RoofReadContext*));
ctx->rdt = (RoofThreadContext**)calloc(ctx->n_threads, sizeof(RoofThreadContext*));
ctx->sched = hw_sched_create(cfg->n_threads);
if ((!ctx->rdi)||(!ctx->rdc)||(!ctx->rdt)||(!ctx->sched)) {
roof_free(ctx);
roof_setup_error(error, "Failed to allocate memory for various Roof contexts");
}
return ctx;
}
void roof_configure_simulation(Roof *ctx, const gchar *path, guint first_file_number, GError **error) {
assert(ctx);
ctx->simulate = 1;
ctx->path = path;
ctx->first_file_number = first_file_number;
}
void roof_configure_stop_mode(Roof *ctx, const gulong max, GError **error) {
assert(ctx);
ctx->max_datasets = max;
}
void roof_setup(Roof *ctx, GError **error) {
guint i;
GError *gerr = NULL;
assert(ctx);
RoofConfig *cfg = ctx->cfg;
/*
ctx->buf = roof_buffer_new(cfg, 2, ctx->max_datasets, &gerr);
if ((gerr)||(!ctx->buf))
roof_propagate_error(error, gerr, "roof_buffer_new: ");
*/
for (i = 0; i < cfg->n_streams; i++) {
if (ctx->simulate) {
if (!ctx->path)
roof_setup_error(error, "Path to simulated data should be specified");
ctx->rdi[i] = roof_read_file_new(cfg, ctx->path, ctx->first_file_number + i, &gerr);
} else {
ctx->rdi[i] = roof_read_socket_new(cfg, i, &gerr);
}
if (!ctx->rdi[i])
roof_propagate_error(error, gerr, "roof_read_interface_new: ");
ctx->rdc[i] = roof_read_context_new(cfg, ctx->rdi[i], &gerr);
if (!ctx->rdc[i])
roof_propagate_error(error, gerr, "roof_read_context_new: ");
}
// We try to distribute sockets uniformly respecting sockets_per_thread as maximum limit
guint extra = 0, sockets_per_thread = cfg->n_streams / ctx->n_threads;
if (cfg->n_streams % ctx->n_threads) extra = cfg->n_streams - ctx->n_threads * sockets_per_thread;
guint from, to;
for (i = 0; i < ctx->n_threads; i++) {
guint to = from + sockets_per_thread;
if (i < extra) to++;
ctx->thr[i]= roof_thread_new(cfg, ctx, from, to, &gerr);
if (!ctx->thr[i]) roof_propagate_error(error, gerr, "roof_thread_new (%i): ", i);
}
}
void roof_free(Roof *ctx) {
guint i;
if (ctx) {
RoofConfig *cfg = ctx->cfg;
if (ctx->sched) hw_sched_destroy(priv->sched);
if (ctx->rdt) {
for (i = 0; i < ctx->n_threads; i++)
if (ctx->rdt[i]) roof_thread_context_free(ctx->rdt[i]);
free(ctx->rdt);
}
if (ctx->rdc) {
for (i = 0; i < cfg->n_streams; i++)
if (ctx->rdc[i]) roof_read_context_free(ctx->rdc[i]);
free(ctx->rdc);
}
if (ctx->rdi) {
for (i = 0; i < cfg->n_streams; i++)
if (ctx->rdi[i]) roof_read_interface_free(ctx->rdi[i]);
free(ctx->rdi);
}
if (ctx->buf) roof_buffer_free(ctx->buf);
free(ctx);
}
}
void roof_read_dataset(Roof *ctx, void *buffer, GError **error) {
priv->current_dataset;
priv->current_buffer = buffer;
err = hw_sched_schedule_thread_task(sched, (void*)ctx, roof_thread_read);
if (!err) err = hw_sched_wait_task(sched);
if (err) { fprintf(stderr, "Error %i scheduling init threads", err); exit(-1); }
}
}
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