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// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/fastos/fastos.h>
#include <vespa/log/log.h>
LOG_SETUP("pingclient");
#include <vespa/fnet/fnet.h>
#include <examples/ping/packets.h>
class PingClient : public FastOS_Application
{
public:
int Main() override;
};
int
PingClient::Main()
{
if (_argc < 2) {
printf("usage : pingclient <connectspec>\n");
printf("example: pingclient 'tcp/localhost:8000'\n");
return 1;
}
FNET_PacketQueue queue;
FastOS_ThreadPool pool(65000);
PingPacketFactory factory;
FNET_SimplePacketStreamer streamer(&factory);
FNET_Transport transport;
FNET_Connection *conn = transport.Connect(_argv[1], &streamer);
FNET_Channel *channels[10];
transport.Start(&pool);
uint32_t channelCnt = 0;
for (uint32_t i = 0; i < 10; i++) {
channels[i] = (conn == nullptr) ? nullptr : conn->OpenChannel(&queue, FNET_Context(i));
if (channels[i] == 0) {
fprintf(stderr, "Could not make channel[%d] to %s\n", i, _argv[1]);
break;
}
channelCnt++;
channels[i]->Send(new PingRequest());
channels[i]->Sync();
fprintf(stderr, "Sent ping in context %d\n", i);
}
FNET_Packet *packet;
FNET_Context context;
while (channelCnt > 0) {
packet = queue.DequeuePacket(5000, &context);
if (packet == nullptr) {
fprintf(stderr, "Timeout\n");
for(int c = 0; c < 10; c++) {
if (channels[c] != nullptr) {
channels[c]->Close();
channels[c]->Free();
channels[c] = nullptr;
fprintf(stderr, "Closed channel with context %d\n", c);
}
}
break;
}
if (packet->GetPCODE() == PCODE_PING_REPLY) {
fprintf(stderr, "Got ping result in context %d\n",
context._value.INT);
} else if (packet->IsChannelLostCMD()) {
fprintf(stderr, "Lost channel with context %d\n",
context._value.INT);
}
if (channels[context._value.INT] != nullptr) {
channels[context._value.INT]->Close();
channels[context._value.INT]->Free();
channels[context._value.INT] = nullptr;
fprintf(stderr, "Closed channel with context %d\n",
context._value.INT);
channelCnt--;
}
packet->Free();
}
if (conn != nullptr)
conn->SubRef();
transport.ShutDown(true);
pool.Close();
return 0;
}
int
main(int argc, char **argv)
{
PingClient myapp;
return myapp.Entry(argc, argv);
}
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