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Listening channels implemented

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This commit is contained in:
Josh Yelon
2021-10-08 21:03:52 -04:00
parent 760bd22874
commit 315bf6e3b1
4 changed files with 151 additions and 32 deletions
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47
luprex/core/cpp/main.cpp
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@@ -5,26 +5,45 @@
class TNTest : public DrivenEngine {
public:
std::unique_ptr<Channel> chan_;
std::vector<UniqueChannel> channels_;
virtual void event_init() {
chan_ = new_outgoing_channel("stanford.edu:80");
chan_->out()->write_bytes("GET /index.html HTTP/1.1\n\n");
// UniqueChannel ch = new_outgoing_channel("stanford.edu:80");
// ch->out()->write_bytes("GET /index.html HTTP/1.1\n\n");
// channels_.emplace_back(std::move(ch));
listen_port(8085);
}
virtual void event_update() {
std::string input = get_stdio_channel()->in()->read_entire_contents();
if (input != "") {
get_stdio_channel()->out()->write_bytes("stdin: ");
get_stdio_channel()->out()->write_bytes(input);
void dump_lines(StreamBuffer *in, StreamBuffer *out, int chid) {
while (true) {
std::string l = in->readline();
if (l == "") break;
std::ostringstream oss;
oss << "Chan " << chid << ": " << l;
out->write_bytes(oss.str());
}
if (chan_ != nullptr) {
if (chan_->closed()) {
get_stdio_channel()->out()->write_bytes("Connection closed.\n");
chan_.reset();
}
virtual void event_update() {
while (true) {
UniqueChannel ch = new_incoming_channel();
if (ch == nullptr) break;
channels_.emplace_back(std::move(ch));
}
Channel *stdioch = get_stdio_channel();
dump_lines(stdioch->in(), stdioch->out(), 0);
std::vector<UniqueChannel> keep;
for (UniqueChannel &ch : channels_) {
dump_lines(ch->in(), stdioch->out(), ch->chid());
if (ch->closed()) {
std::ostringstream oss;
oss << "Chan " << ch->chid() << " closed.\n";
stdioch->out()->write_bytes(oss.str());
} else {
chan_->in()->copy_into(get_stdio_channel()->out());
chan_->in()->clear();
keep.emplace_back(std::move(ch));
}
}
channels_ = std::move(keep);
}
};