432 lines
13 KiB
C
432 lines
13 KiB
C
/*
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* tclUnixTest.c --
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*
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* Contains platform specific test commands for the Unix platform.
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*
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* Copyright (c) 1996 Sun Microsystems, Inc.
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*
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* See the file "license.terms" for information on usage and redistribution
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* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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*
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* SCCS: @(#) tclUnixTest.c 1.5 97/10/31 17:23:42
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*/
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#include "tclInt.h"
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#include "tclPort.h"
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/*
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* The following macros convert between TclFile's and fd's. The conversion
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* simple involves shifting fd's up by one to ensure that no valid fd is ever
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* the same as NULL. Note that this code is duplicated from tclUnixPipe.c
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*/
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#define MakeFile(fd) ((TclFile)((fd)+1))
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#define GetFd(file) (((int)file)-1)
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/*
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* The stuff below is used to keep track of file handlers created and
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* exercised by the "testfilehandler" command.
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*/
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typedef struct Pipe {
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TclFile readFile; /* File handle for reading from the
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* pipe. NULL means pipe doesn't exist yet. */
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TclFile writeFile; /* File handle for writing from the
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* pipe. */
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int readCount; /* Number of times the file handler for
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* this file has triggered and the file
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* was readable. */
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int writeCount; /* Number of times the file handler for
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* this file has triggered and the file
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* was writable. */
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} Pipe;
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#define MAX_PIPES 10
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static Pipe testPipes[MAX_PIPES];
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/*
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* Forward declarations of procedures defined later in this file:
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*/
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static void TestFileHandlerProc _ANSI_ARGS_((ClientData clientData,
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int mask));
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static int TestfilehandlerCmd _ANSI_ARGS_((ClientData dummy,
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Tcl_Interp *interp, int argc, char **argv));
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static int TestfilewaitCmd _ANSI_ARGS_((ClientData dummy,
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Tcl_Interp *interp, int argc, char **argv));
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static int TestgetopenfileCmd _ANSI_ARGS_((ClientData dummy,
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Tcl_Interp *interp, int argc, char **argv));
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int TclplatformtestInit _ANSI_ARGS_((Tcl_Interp *interp));
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/*
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*----------------------------------------------------------------------
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*
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* TclplatformtestInit --
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*
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* Defines commands that test platform specific functionality for
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* Unix platforms.
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*
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* Results:
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* A standard Tcl result.
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*
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* Side effects:
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* Defines new commands.
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*
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*----------------------------------------------------------------------
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*/
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int
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TclplatformtestInit(interp)
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Tcl_Interp *interp; /* Interpreter to add commands to. */
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{
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Tcl_CreateCommand(interp, "testfilehandler", TestfilehandlerCmd,
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(ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
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Tcl_CreateCommand(interp, "testfilewait", TestfilewaitCmd,
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(ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
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Tcl_CreateCommand(interp, "testgetopenfile", TestgetopenfileCmd,
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(ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
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return TCL_OK;
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}
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/*
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*----------------------------------------------------------------------
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*
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* TestfilehandlerCmd --
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*
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* This procedure implements the "testfilehandler" command. It is
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* used to test Tcl_CreateFileHandler, Tcl_DeleteFileHandler, and
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* TclWaitForFile.
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*
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* Results:
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* A standard Tcl result.
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*
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* Side effects:
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* None.
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*
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*----------------------------------------------------------------------
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*/
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static int
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TestfilehandlerCmd(clientData, interp, argc, argv)
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ClientData clientData; /* Not used. */
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Tcl_Interp *interp; /* Current interpreter. */
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int argc; /* Number of arguments. */
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char **argv; /* Argument strings. */
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{
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Pipe *pipePtr;
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int i, mask, timeout;
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static int initialized = 0;
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char buffer[4000];
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TclFile file;
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/*
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* NOTE: When we make this code work on Windows also, the following
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* variable needs to be made Unix-only.
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*/
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if (!initialized) {
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for (i = 0; i < MAX_PIPES; i++) {
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testPipes[i].readFile = NULL;
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}
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initialized = 1;
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}
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if (argc < 2) {
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Tcl_AppendResult(interp, "wrong # arguments: should be \"", argv[0],
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" option ... \"", (char *) NULL);
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return TCL_ERROR;
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}
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pipePtr = NULL;
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if (argc >= 3) {
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if (Tcl_GetInt(interp, argv[2], &i) != TCL_OK) {
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return TCL_ERROR;
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}
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if (i >= MAX_PIPES) {
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Tcl_AppendResult(interp, "bad index ", argv[2], (char *) NULL);
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return TCL_ERROR;
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}
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pipePtr = &testPipes[i];
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}
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if (strcmp(argv[1], "close") == 0) {
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for (i = 0; i < MAX_PIPES; i++) {
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if (testPipes[i].readFile != NULL) {
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TclpCloseFile(testPipes[i].readFile);
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testPipes[i].readFile = NULL;
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TclpCloseFile(testPipes[i].writeFile);
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testPipes[i].writeFile = NULL;
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}
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}
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} else if (strcmp(argv[1], "clear") == 0) {
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if (argc != 3) {
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Tcl_AppendResult(interp, "wrong # arguments: should be \"",
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argv[0], " clear index\"", (char *) NULL);
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return TCL_ERROR;
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}
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pipePtr->readCount = pipePtr->writeCount = 0;
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} else if (strcmp(argv[1], "counts") == 0) {
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char buf[30];
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if (argc != 3) {
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Tcl_AppendResult(interp, "wrong # arguments: should be \"",
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argv[0], " counts index\"", (char *) NULL);
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return TCL_ERROR;
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}
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sprintf(buf, "%d %d", pipePtr->readCount, pipePtr->writeCount);
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Tcl_SetResult(interp, buf, TCL_VOLATILE);
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} else if (strcmp(argv[1], "create") == 0) {
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if (argc != 5) {
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Tcl_AppendResult(interp, "wrong # arguments: should be \"",
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argv[0], " create index readMode writeMode\"",
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(char *) NULL);
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return TCL_ERROR;
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}
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if (pipePtr->readFile == NULL) {
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if (!TclpCreatePipe(&pipePtr->readFile, &pipePtr->writeFile)) {
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Tcl_AppendResult(interp, "couldn't open pipe: ",
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Tcl_PosixError(interp), (char *) NULL);
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return TCL_ERROR;
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}
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#ifdef O_NONBLOCK
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fcntl(GetFd(pipePtr->readFile), F_SETFL, O_NONBLOCK);
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fcntl(GetFd(pipePtr->writeFile), F_SETFL, O_NONBLOCK);
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#else
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Tcl_SetResult(interp, "can't make pipes non-blocking",
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TCL_STATIC);
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return TCL_ERROR;
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#endif
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}
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pipePtr->readCount = 0;
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pipePtr->writeCount = 0;
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if (strcmp(argv[3], "readable") == 0) {
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Tcl_CreateFileHandler(GetFd(pipePtr->readFile), TCL_READABLE,
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TestFileHandlerProc, (ClientData) pipePtr);
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} else if (strcmp(argv[3], "off") == 0) {
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Tcl_DeleteFileHandler(GetFd(pipePtr->readFile));
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} else if (strcmp(argv[3], "disabled") == 0) {
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Tcl_CreateFileHandler(GetFd(pipePtr->readFile), 0,
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TestFileHandlerProc, (ClientData) pipePtr);
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} else {
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Tcl_AppendResult(interp, "bad read mode \"", argv[3], "\"",
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(char *) NULL);
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return TCL_ERROR;
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}
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if (strcmp(argv[4], "writable") == 0) {
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Tcl_CreateFileHandler(GetFd(pipePtr->writeFile), TCL_WRITABLE,
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TestFileHandlerProc, (ClientData) pipePtr);
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} else if (strcmp(argv[4], "off") == 0) {
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Tcl_DeleteFileHandler(GetFd(pipePtr->writeFile));
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} else if (strcmp(argv[4], "disabled") == 0) {
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Tcl_CreateFileHandler(GetFd(pipePtr->writeFile), 0,
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TestFileHandlerProc, (ClientData) pipePtr);
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} else {
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Tcl_AppendResult(interp, "bad read mode \"", argv[4], "\"",
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(char *) NULL);
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return TCL_ERROR;
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}
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} else if (strcmp(argv[1], "empty") == 0) {
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if (argc != 3) {
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Tcl_AppendResult(interp, "wrong # arguments: should be \"",
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argv[0], " empty index\"", (char *) NULL);
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return TCL_ERROR;
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}
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while (read(GetFd(pipePtr->readFile), buffer, 4000) > 0) {
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/* Empty loop body. */
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}
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} else if (strcmp(argv[1], "fill") == 0) {
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if (argc != 3) {
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Tcl_AppendResult(interp, "wrong # arguments: should be \"",
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argv[0], " empty index\"", (char *) NULL);
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return TCL_ERROR;
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}
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memset((VOID *) buffer, 'a', 4000);
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while (write(GetFd(pipePtr->writeFile), buffer, 4000) > 0) {
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/* Empty loop body. */
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}
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} else if (strcmp(argv[1], "fillpartial") == 0) {
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char buf[30];
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if (argc != 3) {
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Tcl_AppendResult(interp, "wrong # arguments: should be \"",
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argv[0], " empty index\"", (char *) NULL);
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return TCL_ERROR;
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}
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memset((VOID *) buffer, 'b', 10);
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sprintf(buf, "%d", write(GetFd(pipePtr->writeFile), buffer, 10));
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Tcl_SetResult(interp, buf, TCL_VOLATILE);
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} else if (strcmp(argv[1], "oneevent") == 0) {
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Tcl_DoOneEvent(TCL_FILE_EVENTS|TCL_DONT_WAIT);
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} else if (strcmp(argv[1], "wait") == 0) {
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if (argc != 5) {
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Tcl_AppendResult(interp, "wrong # arguments: should be \"",
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argv[0], " wait index readable/writable timeout\"",
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(char *) NULL);
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return TCL_ERROR;
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}
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if (pipePtr->readFile == NULL) {
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Tcl_AppendResult(interp, "pipe ", argv[2], " doesn't exist",
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(char *) NULL);
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return TCL_ERROR;
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}
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if (strcmp(argv[3], "readable") == 0) {
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mask = TCL_READABLE;
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file = pipePtr->readFile;
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} else {
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mask = TCL_WRITABLE;
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file = pipePtr->writeFile;
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}
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if (Tcl_GetInt(interp, argv[4], &timeout) != TCL_OK) {
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return TCL_ERROR;
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}
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i = TclUnixWaitForFile(GetFd(file), mask, timeout);
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if (i & TCL_READABLE) {
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Tcl_AppendElement(interp, "readable");
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}
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if (i & TCL_WRITABLE) {
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Tcl_AppendElement(interp, "writable");
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}
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} else if (strcmp(argv[1], "windowevent") == 0) {
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Tcl_DoOneEvent(TCL_WINDOW_EVENTS|TCL_DONT_WAIT);
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} else {
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Tcl_AppendResult(interp, "bad option \"", argv[1],
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"\": must be close, clear, counts, create, empty, fill, ",
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"fillpartial, oneevent, wait, or windowevent",
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(char *) NULL);
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return TCL_ERROR;
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}
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return TCL_OK;
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}
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static void TestFileHandlerProc(clientData, mask)
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ClientData clientData; /* Points to a Pipe structure. */
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int mask; /* Indicates which events happened:
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* TCL_READABLE or TCL_WRITABLE. */
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{
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Pipe *pipePtr = (Pipe *) clientData;
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if (mask & TCL_READABLE) {
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pipePtr->readCount++;
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}
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if (mask & TCL_WRITABLE) {
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pipePtr->writeCount++;
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}
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}
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/*
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*----------------------------------------------------------------------
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*
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* TestfilewaitCmd --
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*
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* This procedure implements the "testfilewait" command. It is
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* used to test TclUnixWaitForFile.
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*
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* Results:
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* A standard Tcl result.
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*
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* Side effects:
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* None.
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*
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*----------------------------------------------------------------------
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*/
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static int
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TestfilewaitCmd(clientData, interp, argc, argv)
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ClientData clientData; /* Not used. */
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Tcl_Interp *interp; /* Current interpreter. */
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int argc; /* Number of arguments. */
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char **argv; /* Argument strings. */
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{
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int mask, result, timeout;
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Tcl_Channel channel;
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int fd;
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ClientData data;
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if (argc != 4) {
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Tcl_AppendResult(interp, "wrong # arguments: should be \"", argv[0],
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" file readable|writable|both timeout\"", (char *) NULL);
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return TCL_ERROR;
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}
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channel = Tcl_GetChannel(interp, argv[1], NULL);
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if (channel == NULL) {
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return TCL_ERROR;
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}
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if (strcmp(argv[2], "readable") == 0) {
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mask = TCL_READABLE;
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} else if (strcmp(argv[2], "writable") == 0){
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mask = TCL_WRITABLE;
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} else if (strcmp(argv[2], "both") == 0){
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mask = TCL_WRITABLE|TCL_READABLE;
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} else {
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Tcl_AppendResult(interp, "bad argument \"", argv[2],
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"\": must be readable, writable, or both", (char *) NULL);
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return TCL_ERROR;
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}
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if (Tcl_GetChannelHandle(channel,
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(mask & TCL_READABLE) ? TCL_READABLE : TCL_WRITABLE,
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(ClientData*) &data) != TCL_OK) {
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Tcl_SetResult(interp, "couldn't get channel file", TCL_STATIC);
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return TCL_ERROR;
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}
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fd = (int) data;
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if (Tcl_GetInt(interp, argv[3], &timeout) != TCL_OK) {
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return TCL_ERROR;
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}
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result = TclUnixWaitForFile(fd, mask, timeout);
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if (result & TCL_READABLE) {
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Tcl_AppendElement(interp, "readable");
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}
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if (result & TCL_WRITABLE) {
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Tcl_AppendElement(interp, "writable");
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}
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return TCL_OK;
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}
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/*
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*----------------------------------------------------------------------
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*
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* TestgetopenfileCmd --
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*
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* This procedure implements the "testgetopenfile" command. It is
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* used to get a FILE * value from a registered channel.
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*
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* Results:
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* A standard Tcl result.
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*
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* Side effects:
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* None.
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*
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*----------------------------------------------------------------------
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*/
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static int
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TestgetopenfileCmd(clientData, interp, argc, argv)
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ClientData clientData; /* Not used. */
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Tcl_Interp *interp; /* Current interpreter. */
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int argc; /* Number of arguments. */
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char **argv; /* Argument strings. */
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{
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ClientData filePtr;
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if (argc != 3) {
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Tcl_AppendResult(interp,
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"wrong # args: should be \"", argv[0],
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" channelName forWriting\"",
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(char *) NULL);
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return TCL_ERROR;
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}
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if (Tcl_GetOpenFile(interp, argv[1], atoi(argv[2]), 1, &filePtr)
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== TCL_ERROR) {
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return TCL_ERROR;
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}
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if (filePtr == (ClientData) NULL) {
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Tcl_AppendResult(interp,
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"Tcl_GetOpenFile succeeded but FILE * NULL!", (char *) NULL);
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return TCL_ERROR;
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}
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return TCL_OK;
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}
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