2019-01-15 05:30:19 +00:00
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#include "SlavePTY.h"
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#include "MasterPTY.h"
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2019-04-03 10:25:24 +00:00
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#include <Kernel/FileSystem/DevPtsFS.h>
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2019-01-31 04:55:30 +00:00
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#include <Kernel/Process.h>
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2019-01-15 05:30:19 +00:00
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2019-03-27 14:07:12 +00:00
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//#define SLAVEPTY_DEBUG
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2019-01-16 01:11:50 +00:00
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SlavePTY::SlavePTY(MasterPTY& master, unsigned index)
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2019-01-15 05:30:19 +00:00
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: TTY(11, index)
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2019-01-16 01:11:50 +00:00
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, m_master(master)
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2019-01-15 05:30:19 +00:00
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, m_index(index)
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{
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2019-10-18 12:13:43 +00:00
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ksprintf(m_tty_name, "/dev/pts/%u", m_index);
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2019-03-23 21:03:17 +00:00
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set_uid(current->process().uid());
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set_gid(current->process().gid());
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2019-08-16 15:46:18 +00:00
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DevPtsFS::register_slave_pty(*this);
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2019-01-15 07:49:24 +00:00
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set_size(80, 25);
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2019-01-15 05:30:19 +00:00
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}
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SlavePTY::~SlavePTY()
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{
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2019-03-27 14:07:12 +00:00
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#ifdef SLAVEPTY_DEBUG
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2019-01-30 18:05:59 +00:00
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dbgprintf("~SlavePTY(%u)\n", m_index);
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2019-03-27 14:07:12 +00:00
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#endif
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2019-08-16 15:46:18 +00:00
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DevPtsFS::unregister_slave_pty(*this);
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2019-01-15 05:30:19 +00:00
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}
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2019-10-18 12:13:43 +00:00
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StringView SlavePTY::tty_name() const
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2019-01-15 05:30:19 +00:00
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{
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2019-04-15 22:35:02 +00:00
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return m_tty_name;
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2019-01-15 05:30:19 +00:00
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}
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2019-10-20 06:12:00 +00:00
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void SlavePTY::echo(u8 ch)
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{
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if (should_echo_input()) {
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m_master->on_slave_write(&ch, 1);
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}
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}
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2019-07-03 19:17:35 +00:00
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void SlavePTY::on_master_write(const u8* buffer, ssize_t size)
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2019-01-15 05:30:19 +00:00
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{
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2019-02-25 20:19:57 +00:00
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for (ssize_t i = 0; i < size; ++i)
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2019-01-15 05:30:19 +00:00
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emit(buffer[i]);
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}
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2019-07-03 19:17:35 +00:00
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ssize_t SlavePTY::on_tty_write(const u8* data, ssize_t size)
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2019-01-15 05:30:19 +00:00
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{
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2019-02-05 12:09:01 +00:00
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return m_master->on_slave_write(data, size);
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2019-01-15 05:30:19 +00:00
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}
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2019-01-15 08:17:22 +00:00
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2019-06-07 07:36:51 +00:00
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bool SlavePTY::can_write(FileDescription&) const
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2019-01-15 08:17:22 +00:00
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{
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2019-01-30 18:05:59 +00:00
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return m_master->can_write_from_slave();
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2019-01-15 08:17:22 +00:00
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}
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2019-01-30 17:26:19 +00:00
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2019-06-13 20:03:04 +00:00
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bool SlavePTY::can_read(FileDescription& description) const
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2019-02-05 11:27:32 +00:00
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{
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if (m_master->is_closed())
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return true;
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2019-06-13 20:03:04 +00:00
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return TTY::can_read(description);
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2019-02-05 11:27:32 +00:00
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}
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2019-07-03 19:17:35 +00:00
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ssize_t SlavePTY::read(FileDescription& description, u8* buffer, ssize_t size)
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2019-02-05 11:27:32 +00:00
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{
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if (m_master->is_closed())
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return 0;
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2019-06-13 20:03:04 +00:00
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return TTY::read(description, buffer, size);
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2019-02-05 11:27:32 +00:00
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}
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2019-01-30 17:26:19 +00:00
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void SlavePTY::close()
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{
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2019-05-31 13:44:04 +00:00
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m_master->notify_slave_closed({});
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2019-01-30 17:26:19 +00:00
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}
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