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Create common connect and bind zmq methods

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This commit is contained in:
babic_a
2020-09-24 08:33:45 +02:00
parent 259e3dd822
commit a5629616d9
3 changed files with 69 additions and 1 deletions
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core-buffer/src/BufferUtils.cpp
+62 -1
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@@ -2,8 +2,10 @@
#include <sstream>
#include <buffer_config.hpp>
#include <zmq.h>
using namespace std;
using namespace buffer_config;
string BufferUtils::get_filename(
std::string detector_folder,
@@ -60,4 +62,63 @@ void BufferUtils::create_destination_folder(const string& output_file)
string create_folder_command("mkdir -p " + output_folder);
system(create_folder_command.c_str());
}
}
}
void* BufferUtils::connect_socket(
void* ctx, const string& detector_name, const int source_id)
{
string ipc_address = BUFFER_LIVE_IPC_URL +
detector_name + "-" +
to_string(source_id);
void* socket = zmq_socket(ctx, ZMQ_SUB);
if (socket == nullptr) {
throw runtime_error(zmq_strerror(errno));
}
int rcvhwm = BUFFER_ZMQ_RCVHWM;
if (zmq_setsockopt(socket, ZMQ_RCVHWM, &rcvhwm, sizeof(rcvhwm)) != 0) {
throw runtime_error(zmq_strerror(errno));
}
int linger = 0;
if (zmq_setsockopt(socket, ZMQ_LINGER, &linger, sizeof(linger)) != 0) {
throw runtime_error(zmq_strerror(errno));
}
if (zmq_connect(socket, ipc_address.c_str()) != 0) {
throw runtime_error(zmq_strerror(errno));
}
if (zmq_setsockopt(socket, ZMQ_SUBSCRIBE, "", 0) != 0) {
throw runtime_error(zmq_strerror(errno));
}
return socket;
}
void* BufferUtils::bind_socket(
void* ctx, const string& detector_name, const int source_id)
{
string ipc_address = BUFFER_LIVE_IPC_URL +
detector_name + "-" +
to_string(source_id);
void* socket = zmq_socket(ctx, ZMQ_PUB);
const int sndhwm = BUFFER_ZMQ_SNDHWM;
if (zmq_setsockopt(socket, ZMQ_SNDHWM, &sndhwm, sizeof(sndhwm)) != 0) {
throw runtime_error(zmq_strerror(errno));
}
const int linger = 0;
if (zmq_setsockopt(socket, ZMQ_LINGER, &linger, sizeof(linger)) != 0) {
throw runtime_error(zmq_strerror(errno));
}
if (zmq_bind(socket, ipc_address.c_str()) != 0) {
throw runtime_error(zmq_strerror(errno));
}
return socket;
}