polybar/include/utils/socket.hpp

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#pragma once
#include <poll.h>
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#include "common.hpp"
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POLYBAR_NS
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namespace socket_util {
class unix_connection {
public:
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explicit unix_connection(string&& path);
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~unix_connection() noexcept;
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int disconnect();
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ssize_t send(const void* data, size_t len, int flags = 0);
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ssize_t send(const string& data, int flags = 0);
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string receive(const ssize_t receive_bytes, ssize_t& bytes_received_addr, int flags = 0);
bool poll(short int events = POLLIN, int timeout_ms = -1);
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protected:
int m_fd = -1;
string m_socketpath;
};
/**
* Creates a wrapper for a unix socket connection
*
* Example usage:
* @code cpp
* auto conn = socket_util::make_unix_connection("/tmp/socket");
* conn->send(...);
* conn->receive(...);
* @endcode
*/
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auto make_unix_connection = [](
string&& path) -> unique_ptr<unix_connection> { return make_unique<unix_connection>(forward<string>(path)); };
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}
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POLYBAR_NS_END