73 lines
2.1 KiB
C++
73 lines
2.1 KiB
C++
#include "rust_internal.h"
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#include "rust_port.h"
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rust_port::rust_port(rust_task *task, size_t unit_sz) :
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maybe_proxy<rust_port>(this), task(task),
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unit_sz(unit_sz), writers(task->dom), chans(task->dom) {
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task->log(rust_log::MEM | rust_log::COMM,
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"new rust_port(task=0x%" PRIxPTR ", unit_sz=%d) -> port=0x%"
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PRIxPTR, (uintptr_t)task, unit_sz, (uintptr_t)this);
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// Allocate a remote channel, for remote channel data.
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remote_channel = new (task->dom) rust_chan(task, this, unit_sz);
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}
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rust_port::~rust_port() {
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task->log(rust_log::COMM | rust_log::MEM,
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"~rust_port 0x%" PRIxPTR, (uintptr_t) this);
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log_state();
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// Disassociate channels from this port.
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while (chans.is_empty() == false) {
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rust_chan *chan = chans.peek();
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chan->disassociate();
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if (chan->ref_count == 0) {
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task->log(rust_log::COMM,
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"chan: 0x%" PRIxPTR " is dormant, freeing", chan);
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delete chan;
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}
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}
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delete remote_channel;
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}
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bool rust_port::receive(void *dptr) {
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for (uint32_t i = 0; i < chans.length(); i++) {
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rust_chan *chan = chans[i];
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if (chan->buffer.is_empty() == false) {
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chan->buffer.dequeue(dptr);
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task->log(rust_log::COMM, "<=== read data ===");
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return true;
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}
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}
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return false;
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}
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void rust_port::log_state() {
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task->log(rust_log::COMM,
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"rust_port: 0x%" PRIxPTR ", associated channel(s): %d",
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this, chans.length());
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for (uint32_t i = 0; i < chans.length(); i++) {
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rust_chan *chan = chans[i];
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task->log(rust_log::COMM,
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"\tchan: 0x%" PRIxPTR ", size: %d, remote: %s",
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chan,
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chan->buffer.size(),
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chan == remote_channel ? "yes" : "no");
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}
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}
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//
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// Local Variables:
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// mode: C++
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// fill-column: 78;
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// indent-tabs-mode: nil
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// c-basic-offset: 4
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// buffer-file-coding-system: utf-8-unix
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// compile-command: "make -k -C .. 2>&1 | sed -e 's/\\/x\\//x:\\//g'";
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// End:
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//
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