100 lines
2.2 KiB
C++
100 lines
2.2 KiB
C++
#include "connection.h"
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#include <fcntl.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/socket.h>
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#include <sys/types.h>
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#include <sys/un.h>
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#include <unistd.h>
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int GetProcessId()
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{
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return ::getpid();
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}
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struct BaseConnectionUnix : public BaseConnection {
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int sock{-1};
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};
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static BaseConnectionUnix Connection;
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sockaddr_un PipeAddr{};
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static const char* GetTempPath()
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{
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const char* temp = getenv("XDG_RUNTIME_DIR");
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temp = temp ? temp : getenv("TMPDIR");
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temp = temp ? temp : getenv("TMP");
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temp = temp ? temp : getenv("TEMP");
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temp = temp ? temp : "/tmp";
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return temp;
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}
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/*static*/ BaseConnection* BaseConnection::Create()
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{
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PipeAddr.sun_family = AF_UNIX;
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return &Connection;
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}
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/*static*/ void BaseConnection::Destroy(BaseConnection*& c)
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{
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auto self = reinterpret_cast<BaseConnectionUnix*>(c);
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self->Close();
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c = nullptr;
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}
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bool BaseConnection::Open()
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{
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const char* tempPath = GetTempPath();
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auto self = reinterpret_cast<BaseConnectionUnix*>(this);
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self->sock = socket(AF_UNIX, SOCK_STREAM, 0);
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if (self->sock == -1) {
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return false;
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}
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fcntl(self->sock, F_SETFL, O_NONBLOCK);
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for (int pipeNum = 0; pipeNum < 10; ++pipeNum) {
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snprintf(
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PipeAddr.sun_path, sizeof(PipeAddr.sun_path), "%s/discord-ipc-%d", tempPath, pipeNum);
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int err = connect(self->sock, (const sockaddr*)&PipeAddr, sizeof(PipeAddr));
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if (err == 0) {
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return true;
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}
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}
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self->Close();
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return false;
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}
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bool BaseConnection::Close()
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{
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auto self = reinterpret_cast<BaseConnectionUnix*>(this);
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if (self->sock == -1) {
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return false;
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}
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close(self->sock);
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self->sock = -1;
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return true;
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}
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bool BaseConnection::Write(const void* data, size_t length)
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{
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auto self = reinterpret_cast<BaseConnectionUnix*>(this);
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if (self->sock == -1) {
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return false;
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}
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ssize_t sentBytes = send(self->sock, data, length, 0);
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return sentBytes == (ssize_t)length;
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}
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bool BaseConnection::Read(void* data, size_t length)
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{
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auto self = reinterpret_cast<BaseConnectionUnix*>(this);
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if (self->sock == -1) {
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return false;
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}
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int res = recv(self->sock, data, length, 0);
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return res == (int)length;
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}
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