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Add new PTY node (replaces Pseudoterminal node)
Uses fork of node-pty native code for forking pseudoterminals. Uses libuv pipe handle to communicate with the child process. - Paves the way for cross-platform (Linux, macOS and Windows) support. - Renames Pseudoterminal to PTY (which is much easier to type and spell :D). - Better performance than the old Pseudoterminal node. Especially when streaming large amounts of data such as running the `yes` command. - Allows setting custom file, args, initial window size, cwd, env vars (including important ones such as TERM and COLORTERM) and uid/gid on Linux and macOS. - Returns process exit code and terminating signal.
This commit is contained in:
Leroy Hopson
Leroy Hopson
parent
bfa561357e
commit
0dd2378387
36 changed files with 1268 additions and 442 deletions
190
addons/godot_xterm/native/src/libuv_utils.cpp
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190
addons/godot_xterm/native/src/libuv_utils.cpp
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#include "libuv_utils.h"
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#include <uv.h>
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using namespace godot;
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void LibuvUtils::_register_methods() {
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register_method("_init", &LibuvUtils::_init);
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register_method("get_os_environ", &LibuvUtils::get_os_environ);
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register_method("get_os_release", &LibuvUtils::get_os_release);
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register_method("get_cwd", &LibuvUtils::get_cwd);
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}
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LibuvUtils::LibuvUtils() {}
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LibuvUtils::~LibuvUtils() {}
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void LibuvUtils::_init() {}
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Dictionary LibuvUtils::get_os_environ() {
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Dictionary result;
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uv_env_item_t *env;
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int count;
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uv_os_environ(&env, &count);
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for (int i = 0; i < count; i++) {
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result[String(env[i].name)] = String(env[i].value);
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}
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uv_os_free_environ(env, count);
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return result;
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}
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String LibuvUtils::get_os_release() { return "TODO"; }
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String LibuvUtils::get_cwd() {
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#ifndef PATH_MAX
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#define PATH_MAX MAX_PATH
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#endif
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size_t size = PATH_MAX;
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char *buffer = (char *)malloc(size * sizeof(char));
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int err;
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err = uv_cwd(buffer, &size);
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if (err == UV_ENOBUFS) {
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// Buffer was too small. `size` has been set to the required length, so
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// resize buffer and try again.
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buffer = (char *)realloc(buffer, size * sizeof(char));
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err = uv_cwd(buffer, &size);
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}
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if (err < 0) {
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UV_ERR_PRINT(err);
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return "";
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}
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String result = String(buffer);
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std::free(buffer);
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return result;
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}
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godot_error LibuvUtils::translate_uv_errno(int uv_err) {
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if (uv_err >= 0)
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return GODOT_OK;
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// Rough translation of libuv error to godot error.
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// Not necessarily accurate.
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switch (uv_err) {
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case UV_EEXIST: // file already exists
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return GODOT_ERR_ALREADY_EXISTS;
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case UV_EADDRINUSE: // address already in use
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return GODOT_ERR_ALREADY_IN_USE;
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case UV_EBUSY: // resource busy or locked
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case UV_ETXTBSY: // text file is busy
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return GODOT_ERR_BUSY;
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case UV_ECONNREFUSED: // connection refused
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return GODOT_ERR_CANT_CONNECT;
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case UV_ECONNABORTED: // software caused connection abort
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case UV_ECONNRESET: // connection reset by peer
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case UV_EISCONN: // socket is already connected
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case UV_ENOTCONN: // socket is not connected
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return GODOT_ERR_CONNECTION_ERROR;
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case UV_ENODEV: // no such device
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case UV_ENXIO: // no such device or address
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case UV_ESRCH: // no such process
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return GODOT_ERR_DOES_NOT_EXIST;
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case UV_EROFS: // read-only file system
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return GODOT_ERR_FILE_CANT_WRITE;
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case UV_EOF: // end of file
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return GODOT_ERR_FILE_EOF;
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case UV_ENOENT: // no such file or directory
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return GODOT_ERR_FILE_NOT_FOUND;
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case UV_EAI_BADFLAGS: // bad ai_flags value
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case UV_EAI_BADHINTS: // invalid value for hints
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case UV_EFAULT: // bad address in system call argument
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case UV_EFTYPE: // inappropriate file type or format
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case UV_EINVAL: // invalid argument
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case UV_ENOTTY: // inappropriate ioctl for device
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case UV_EPROTOTYPE: // protocol wrong type for socket
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return GODOT_ERR_INVALID_PARAMETER; // Parameter passed is invalid
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case UV_ENOSYS: // function not implemented
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return GODOT_ERR_METHOD_NOT_FOUND;
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case UV_EAI_MEMORY: // out of memory
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return GODOT_ERR_OUT_OF_MEMORY;
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case UV_E2BIG: // argument list too long
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case UV_EFBIG: // file too large
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case UV_EMSGSIZE: // message too long
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case UV_ENAMETOOLONG: // name too long
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case UV_EOVERFLOW: // value too large for defined data type
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case UV_ERANGE: // result too large
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return GODOT_ERR_PARAMETER_RANGE_ERROR; // Parameter given out of range
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case UV_ETIMEDOUT:
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return GODOT_ERR_TIMEOUT; // connection timed out
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case UV_EACCES: // permission denied
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case UV_EPERM: // operation not permitted
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case UV_EXDEV: // cross-device link not permitted
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return GODOT_ERR_UNAUTHORIZED;
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case UV_EADDRNOTAVAIL: // address not available
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case UV_EAFNOSUPPORT: // address family not supported
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case UV_EAGAIN: // resource temporarily unavailable
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case UV_EAI_ADDRFAMILY: // address family not supported
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case UV_EAI_FAMILY: // ai_family not supported
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case UV_EAI_SERVICE: // service not available for socket type
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case UV_EAI_SOCKTYPE: // socket type not supported
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case UV_ENOPROTOOPT: // protocol not available
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case UV_ENOTSUP: // operation not supported on socket
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case UV_EPROTONOSUPPORT: // protocol not supported
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case UV_ESOCKTNOSUPPORT: // socket type not supported
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return GODOT_ERR_UNAVAILABLE; // What is requested is
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// unsupported/unavailable
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case UV_EAI_NODATA: // no address
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case UV_EDESTADDRREQ: // destination address required
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return GODOT_ERR_UNCONFIGURED;
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case UV_EAI_AGAIN: // temporary failure
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case UV_EAI_CANCELED: // request canceled
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case UV_EAI_FAIL: // permanent failure
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case UV_EAI_NONAME: // unknown node or service
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case UV_EAI_OVERFLOW: // argument buffer overflow
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case UV_EAI_PROTOCOL: // resolved protocol is unknown
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case UV_EALREADY: // connection already in progress
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case UV_EBADF: // bad file descriptor
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case UV_ECANCELED: // operation canceled
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case UV_ECHARSET: // invalid Unicode character
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case UV_EHOSTUNREACH: // host is unreachable
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case UV_EIO: // i/o error
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case UV_EILSEQ: // illegal byte sequence
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case UV_EISDIR: // illegal operation on a directory
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case UV_ELOOP: // too many symbolic links encountered
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case UV_EMFILE: // too many open files
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case UV_ENETDOWN: // network is down
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case UV_ENETUNREACH: // network is unreachable
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case UV_ENFILE: // file table overflow
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case UV_ENOBUFS: // no buffer space available
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case UV_ENOMEM: // not enough memory
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case UV_ESHUTDOWN: // cannot send after transport endpoint shutdown
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case UV_EINTR: // interrupted system call
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case UV_EMLINK: // too many links
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case UV_ENONET: // machine is not on the network
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case UV_ENOSPC: // no space left on device
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case UV_ENOTDIR: // not a directory
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case UV_ENOTEMPTY: // directory not empty
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case UV_ENOTSOCK: // socket operation on non-socket
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case UV_EPIPE: // broken pipe
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case UV_EPROTO: // protocol error
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case UV_ESPIPE: // invalid seek
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case UV_UNKNOWN: // unknown error
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default:
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return GODOT_FAILED; // Generic fail error
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}
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}
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