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- /*
- * tclUnixTest.c --
- *
- * Contains platform specific test commands for the Unix platform.
- *
- * Copyright (c) 1996 Sun Microsystems, Inc.
- *
- * See the file "license.terms" for information on usage and redistribution
- * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
- *
- * SCCS: @(#) tclUnixTest.c 1.4 97/05/14 13:24:29
- */
-
- #include "tclInt.h"
- #include "tclPort.h"
-
- /*
- * The following macros convert between TclFile's and fd's. The conversion
- * simple involves shifting fd's up by one to ensure that no valid fd is ever
- * the same as NULL. Note that this code is duplicated from tclUnixPipe.c
- */
-
- #define MakeFile(fd) ((TclFile)((fd)+1))
- #define GetFd(file) (((int)file)-1)
-
- /*
- * The stuff below is used to keep track of file handlers created and
- * exercised by the "testfilehandler" command.
- */
-
- typedef struct Pipe {
- TclFile readFile; /* File handle for reading from the
- * pipe. NULL means pipe doesn't exist yet. */
- TclFile writeFile; /* File handle for writing from the
- * pipe. */
- int readCount; /* Number of times the file handler for
- * this file has triggered and the file
- * was readable. */
- int writeCount; /* Number of times the file handler for
- * this file has triggered and the file
- * was writable. */
- } Pipe;
-
- #define MAX_PIPES 10
- static Pipe testPipes[MAX_PIPES];
-
- /*
- * Forward declarations of procedures defined later in this file:
- */
-
- static void TestFileHandlerProc _ANSI_ARGS_((ClientData clientData,
- int mask));
- static int TestfilehandlerCmd _ANSI_ARGS_((ClientData dummy,
- Tcl_Interp *interp, int argc, char **argv));
- static int TestfilewaitCmd _ANSI_ARGS_((ClientData dummy,
- Tcl_Interp *interp, int argc, char **argv));
- static int TestgetopenfileCmd _ANSI_ARGS_((ClientData dummy,
- Tcl_Interp *interp, int argc, char **argv));
- int TclplatformtestInit _ANSI_ARGS_((Tcl_Interp *interp));
-
- /*
- *----------------------------------------------------------------------
- *
- * TclplatformtestInit --
- *
- * Defines commands that test platform specific functionality for
- * Unix platforms.
- *
- * Results:
- * A standard Tcl result.
- *
- * Side effects:
- * Defines new commands.
- *
- *----------------------------------------------------------------------
- */
-
- int
- TclplatformtestInit(interp)
- Tcl_Interp *interp; /* Interpreter to add commands to. */
- {
- Tcl_CreateCommand(interp, "testfilehandler", TestfilehandlerCmd,
- (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
- Tcl_CreateCommand(interp, "testfilewait", TestfilewaitCmd,
- (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
- Tcl_CreateCommand(interp, "testgetopenfile", TestgetopenfileCmd,
- (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
- return TCL_OK;
- }
-
- /*
- *----------------------------------------------------------------------
- *
- * TestfilehandlerCmd --
- *
- * This procedure implements the "testfilehandler" command. It is
- * used to test Tcl_CreateFileHandler, Tcl_DeleteFileHandler, and
- * TclWaitForFile.
- *
- * Results:
- * A standard Tcl result.
- *
- * Side effects:
- * None.
- *
- *----------------------------------------------------------------------
- */
-
- static int
- TestfilehandlerCmd(clientData, interp, argc, argv)
- ClientData clientData; /* Not used. */
- Tcl_Interp *interp; /* Current interpreter. */
- int argc; /* Number of arguments. */
- char **argv; /* Argument strings. */
- {
- Pipe *pipePtr;
- int i, mask, timeout;
- static int initialized = 0;
- char buffer[4000];
- TclFile file;
-
- /*
- * NOTE: When we make this code work on Windows also, the following
- * variable needs to be made Unix-only.
- */
-
- if (!initialized) {
- for (i = 0; i < MAX_PIPES; i++) {
- testPipes[i].readFile = NULL;
- }
- initialized = 1;
- }
-
- if (argc < 2) {
- Tcl_AppendResult(interp, "wrong # arguments: should be \"", argv[0],
- " option ... \"", (char *) NULL);
- return TCL_ERROR;
- }
- pipePtr = NULL;
- if (argc >= 3) {
- if (Tcl_GetInt(interp, argv[2], &i) != TCL_OK) {
- return TCL_ERROR;
- }
- if (i >= MAX_PIPES) {
- Tcl_AppendResult(interp, "bad index ", argv[2], (char *) NULL);
- return TCL_ERROR;
- }
- pipePtr = &testPipes[i];
- }
-
- if (strcmp(argv[1], "close") == 0) {
- for (i = 0; i < MAX_PIPES; i++) {
- if (testPipes[i].readFile != NULL) {
- TclpCloseFile(testPipes[i].readFile);
- testPipes[i].readFile = NULL;
- TclpCloseFile(testPipes[i].writeFile);
- testPipes[i].writeFile = NULL;
- }
- }
- } else if (strcmp(argv[1], "clear") == 0) {
- if (argc != 3) {
- Tcl_AppendResult(interp, "wrong # arguments: should be \"",
- argv[0], " clear index\"", (char *) NULL);
- return TCL_ERROR;
- }
- pipePtr->readCount = pipePtr->writeCount = 0;
- } else if (strcmp(argv[1], "counts") == 0) {
- char buf[30];
-
- if (argc != 3) {
- Tcl_AppendResult(interp, "wrong # arguments: should be \"",
- argv[0], " counts index\"", (char *) NULL);
- return TCL_ERROR;
- }
- sprintf(buf, "%d %d", pipePtr->readCount, pipePtr->writeCount);
- Tcl_SetResult(interp, buf, TCL_VOLATILE);
- } else if (strcmp(argv[1], "create") == 0) {
- if (argc != 5) {
- Tcl_AppendResult(interp, "wrong # arguments: should be \"",
- argv[0], " create index readMode writeMode\"",
- (char *) NULL);
- return TCL_ERROR;
- }
- if (pipePtr->readFile == NULL) {
- if (!TclpCreatePipe(&pipePtr->readFile, &pipePtr->writeFile)) {
- Tcl_AppendResult(interp, "couldn't open pipe: ",
- Tcl_PosixError(interp), (char *) NULL);
- return TCL_ERROR;
- }
- #ifdef O_NONBLOCK
- fcntl(GetFd(pipePtr->readFile), F_SETFL, O_NONBLOCK);
- fcntl(GetFd(pipePtr->writeFile), F_SETFL, O_NONBLOCK);
- #else
- Tcl_SetResult(interp, "can't make pipes non-blocking",
- TCL_STATIC);
- return TCL_ERROR;
- #endif
- }
- pipePtr->readCount = 0;
- pipePtr->writeCount = 0;
-
- if (strcmp(argv[3], "readable") == 0) {
- Tcl_CreateFileHandler(GetFd(pipePtr->readFile), TCL_READABLE,
- TestFileHandlerProc, (ClientData) pipePtr);
- } else if (strcmp(argv[3], "off") == 0) {
- Tcl_DeleteFileHandler(GetFd(pipePtr->readFile));
- } else if (strcmp(argv[3], "disabled") == 0) {
- Tcl_CreateFileHandler(GetFd(pipePtr->readFile), 0,
- TestFileHandlerProc, (ClientData) pipePtr);
- } else {
- Tcl_AppendResult(interp, "bad read mode \"", argv[3], "\"",
- (char *) NULL);
- return TCL_ERROR;
- }
- if (strcmp(argv[4], "writable") == 0) {
- Tcl_CreateFileHandler(GetFd(pipePtr->writeFile), TCL_WRITABLE,
- TestFileHandlerProc, (ClientData) pipePtr);
- } else if (strcmp(argv[4], "off") == 0) {
- Tcl_DeleteFileHandler(GetFd(pipePtr->writeFile));
- } else if (strcmp(argv[4], "disabled") == 0) {
- Tcl_CreateFileHandler(GetFd(pipePtr->writeFile), 0,
- TestFileHandlerProc, (ClientData) pipePtr);
- } else {
- Tcl_AppendResult(interp, "bad read mode \"", argv[4], "\"",
- (char *) NULL);
- return TCL_ERROR;
- }
- } else if (strcmp(argv[1], "empty") == 0) {
- if (argc != 3) {
- Tcl_AppendResult(interp, "wrong # arguments: should be \"",
- argv[0], " empty index\"", (char *) NULL);
- return TCL_ERROR;
- }
-
- while (read(GetFd(pipePtr->readFile), buffer, 4000) > 0) {
- /* Empty loop body. */
- }
- } else if (strcmp(argv[1], "fill") == 0) {
- if (argc != 3) {
- Tcl_AppendResult(interp, "wrong # arguments: should be \"",
- argv[0], " empty index\"", (char *) NULL);
- return TCL_ERROR;
- }
-
- memset((VOID *) buffer, 'a', 4000);
- while (write(GetFd(pipePtr->writeFile), buffer, 4000) > 0) {
- /* Empty loop body. */
- }
- } else if (strcmp(argv[1], "fillpartial") == 0) {
- char buf[30];
-
- if (argc != 3) {
- Tcl_AppendResult(interp, "wrong # arguments: should be \"",
- argv[0], " empty index\"", (char *) NULL);
- return TCL_ERROR;
- }
-
- memset((VOID *) buffer, 'b', 10);
- sprintf(buf, "%d", write(GetFd(pipePtr->writeFile), buffer, 10));
- Tcl_SetResult(interp, buf, TCL_VOLATILE);
- } else if (strcmp(argv[1], "oneevent") == 0) {
- Tcl_DoOneEvent(TCL_FILE_EVENTS|TCL_DONT_WAIT);
- } else if (strcmp(argv[1], "wait") == 0) {
- if (argc != 5) {
- Tcl_AppendResult(interp, "wrong # arguments: should be \"",
- argv[0], " wait index readable/writable timeout\"",
- (char *) NULL);
- return TCL_ERROR;
- }
- if (pipePtr->readFile == NULL) {
- Tcl_AppendResult(interp, "pipe ", argv[2], " doesn't exist",
- (char *) NULL);
- return TCL_ERROR;
- }
- if (strcmp(argv[3], "readable") == 0) {
- mask = TCL_READABLE;
- file = pipePtr->readFile;
- } else {
- mask = TCL_WRITABLE;
- file = pipePtr->writeFile;
- }
- if (Tcl_GetInt(interp, argv[4], &timeout) != TCL_OK) {
- return TCL_ERROR;
- }
- i = TclUnixWaitForFile(GetFd(file), mask, timeout);
- if (i & TCL_READABLE) {
- Tcl_AppendElement(interp, "readable");
- }
- if (i & TCL_WRITABLE) {
- Tcl_AppendElement(interp, "writable");
- }
- } else if (strcmp(argv[1], "windowevent") == 0) {
- Tcl_DoOneEvent(TCL_WINDOW_EVENTS|TCL_DONT_WAIT);
- } else {
- Tcl_AppendResult(interp, "bad option \"", argv[1],
- "\": must be close, clear, counts, create, empty, fill, ",
- "fillpartial, oneevent, wait, or windowevent",
- (char *) NULL);
- return TCL_ERROR;
- }
- return TCL_OK;
- }
-
- static void TestFileHandlerProc(clientData, mask)
- ClientData clientData; /* Points to a Pipe structure. */
- int mask; /* Indicates which events happened:
- * TCL_READABLE or TCL_WRITABLE. */
- {
- Pipe *pipePtr = (Pipe *) clientData;
-
- if (mask & TCL_READABLE) {
- pipePtr->readCount++;
- }
- if (mask & TCL_WRITABLE) {
- pipePtr->writeCount++;
- }
- }
-
- /*
- *----------------------------------------------------------------------
- *
- * TestfilewaitCmd --
- *
- * This procedure implements the "testfilewait" command. It is
- * used to test TclUnixWaitForFile.
- *
- * Results:
- * A standard Tcl result.
- *
- * Side effects:
- * None.
- *
- *----------------------------------------------------------------------
- */
-
- static int
- TestfilewaitCmd(clientData, interp, argc, argv)
- ClientData clientData; /* Not used. */
- Tcl_Interp *interp; /* Current interpreter. */
- int argc; /* Number of arguments. */
- char **argv; /* Argument strings. */
- {
- int mask, result, timeout;
- Tcl_Channel channel;
- int fd;
-
- if (argc != 4) {
- Tcl_AppendResult(interp, "wrong # arguments: should be \"", argv[0],
- " file readable|writable|both timeout\"", (char *) NULL);
- return TCL_ERROR;
- }
- channel = Tcl_GetChannel(interp, argv[1], NULL);
- if (channel == NULL) {
- return TCL_ERROR;
- }
- if (strcmp(argv[2], "readable") == 0) {
- mask = TCL_READABLE;
- } else if (strcmp(argv[2], "writable") == 0){
- mask = TCL_WRITABLE;
- } else if (strcmp(argv[2], "both") == 0){
- mask = TCL_WRITABLE|TCL_READABLE;
- } else {
- Tcl_AppendResult(interp, "bad argument \"", argv[2],
- "\": must be readable, writable, or both", (char *) NULL);
- return TCL_ERROR;
- }
- if (Tcl_GetChannelHandle(channel,
- (mask & TCL_READABLE) ? TCL_READABLE : TCL_WRITABLE,
- (ClientData*) &fd) != TCL_OK) {
- Tcl_SetResult(interp, "couldn't get channel file", TCL_STATIC);
- return TCL_ERROR;
- }
- if (Tcl_GetInt(interp, argv[3], &timeout) != TCL_OK) {
- return TCL_ERROR;
- }
- result = TclUnixWaitForFile(fd, mask, timeout);
- if (result & TCL_READABLE) {
- Tcl_AppendElement(interp, "readable");
- }
- if (result & TCL_WRITABLE) {
- Tcl_AppendElement(interp, "writable");
- }
- return TCL_OK;
- }
-
- /*
- *----------------------------------------------------------------------
- *
- * TestgetopenfileCmd --
- *
- * This procedure implements the "testgetopenfile" command. It is
- * used to get a FILE * value from a registered channel.
- *
- * Results:
- * A standard Tcl result.
- *
- * Side effects:
- * None.
- *
- *----------------------------------------------------------------------
- */
-
- static int
- TestgetopenfileCmd(clientData, interp, argc, argv)
- ClientData clientData; /* Not used. */
- Tcl_Interp *interp; /* Current interpreter. */
- int argc; /* Number of arguments. */
- char **argv; /* Argument strings. */
- {
- ClientData filePtr;
-
- if (argc != 3) {
- Tcl_AppendResult(interp,
- "wrong # args: should be \"", argv[0],
- " channelName forWriting\"",
- (char *) NULL);
- return TCL_ERROR;
- }
- if (Tcl_GetOpenFile(interp, argv[1], atoi(argv[2]), 1, &filePtr)
- == TCL_ERROR) {
- return TCL_ERROR;
- }
- if (filePtr == (ClientData) NULL) {
- Tcl_AppendResult(interp,
- "Tcl_GetOpenFile succeeded but FILE * NULL!", (char *) NULL);
- return TCL_ERROR;
- }
- return TCL_OK;
- }
-