From 62fc785e241f456e60290571b0c5e5777d111d66 Mon Sep 17 00:00:00 2001
From: Fumitoshi UKAI <ukai@debian.or.jp>
Date: Fri, 15 Nov 2002 15:19:43 +0000
Subject: [w3m-dev 03431] save file by background process * file.c
 (loadGeneralFile): use _doFileCopy() 	(_doFileCopy): renamed from
 doFileCopy() 			lock 			fork & save 
 (doFileSave): lock 			fork & save * fm.h (DownloadList):
 added 	(FirstDL): added 	(LastDL): added * form.c (struct
 internal_action): add download * funcname.tab (DOWNLOAD_LIST): added * html.h
 (URLFile): add url * main.c (dump_extra): add add_download_list 
 (main): add_download_list, ldDL() 	(_quitfm): added 	(quitfm):
 rewrite with _quitfm() 	(qquitfm): ditto 	(w3m_exit):
 stopDownload() 	(addDownloadList): added 	(checkDownloadList):
 added 	(convert_size3): added 	(DownloadListBuffer): added 
 (download_action): added 	(stopDownload): added 	(ldDL): added *
 proto.h (ldDL): added 	(convert_size): added 	(convert_size2): added 
 (doFileCopy): deleted 	(_doFileCopy): added 	(addDownloadList): added 
 (stopDownload): added 	(checkDownloadList): added 	(download_action):
 added * url.c (openURL): save url in uf From: Hironori SAKAMOTO
 <hsaka@mth.biglobe.ne.jp>

---
 ChangeLog    |  41 +++++++++-
 file.c       |  84 +++++++++++++++++--
 fm.h         |  16 +++-
 form.c       |   3 +-
 funcname.tab |   3 +-
 html.h       |   3 +-
 main.c       | 257 +++++++++++++++++++++++++++++++++++++++++++++++++++++++----
 proto.h      |  13 ++-
 url.c        |   3 +-
 9 files changed, 392 insertions(+), 31 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 7b75389..0db3148 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,42 @@
+2002-11-16  Hironori SAKAMOTO <hsaka@mth.biglobe.ne.jp>
+
+	* [w3m-dev 03431] save file by background process
+	* file.c (loadGeneralFile): use _doFileCopy()
+		(_doFileCopy): renamed from doFileCopy()
+				lock
+				fork & save
+		(doFileSave): lock
+				fork & save
+	* fm.h (DownloadList): added
+		(FirstDL): added
+		(LastDL): added
+	* form.c (struct internal_action): add download
+	* funcname.tab (DOWNLOAD_LIST): added
+	* html.h (URLFile): add url
+	* main.c (dump_extra): add add_download_list
+		(main): add_download_list, ldDL()
+		(_quitfm): added
+		(quitfm): rewrite with _quitfm()
+		(qquitfm): ditto
+		(w3m_exit): stopDownload()
+		(addDownloadList): added
+		(checkDownloadList): added
+		(convert_size3): added
+		(DownloadListBuffer): added
+		(download_action): added
+		(stopDownload): added
+		(ldDL): added
+	* proto.h (ldDL): added
+		(convert_size): added
+		(convert_size2): added
+		(doFileCopy): deleted
+		(_doFileCopy): added
+		(addDownloadList): added
+		(stopDownload): added
+		(checkDownloadList): added
+		(download_action): added
+	* url.c (openURL): save url in uf
+
 2002-11-15  Hironori SAKAMOTO <hsaka@mth.biglobe.ne.jp>
 
 	* [w3m-dev 03430] disable display of alarm command
@@ -4643,4 +4682,4 @@ a	* [w3m-dev 03276] compile error on EWS4800
 	* release-0-2-1
 	* import w3m-0.2.1
 
-$Id: ChangeLog,v 1.513 2002/11/14 17:01:25 ukai Exp $
+$Id: ChangeLog,v 1.514 2002/11/15 15:19:43 ukai Exp $
diff --git a/file.c b/file.c
index ad345ff..7eba2af 100644
--- a/file.c
+++ b/file.c
@@ -1,4 +1,4 @@
-/* $Id: file.c,v 1.115 2002/11/13 15:47:12 ukai Exp $ */
+/* $Id: file.c,v 1.116 2002/11/15 15:19:43 ukai Exp $ */
 #include "fm.h"
 #include <sys/types.h>
 #include "myctype.h"
@@ -1944,9 +1944,9 @@ loadGeneralFile(char *path, ParsedURL *volatile current, char *referer,
 	    signal(SIGINT, prevtrap);
 	    if (pu.scheme == SCM_LOCAL) {
 		UFclose(&f);
-		doFileCopy(pu.real_file,
+		_doFileCopy(pu.real_file,
 			   conv_from_system(guess_save_name
-					    (NULL, pu.real_file)));
+					    (NULL, pu.real_file)), TRUE);
 	    }
 	    else {
 		if (DecodeCTE && IStype(f.stream) != IST_ENCODED)
@@ -7178,11 +7178,18 @@ _MoveFile(char *path1, char *path2)
 }
 
 void
-doFileCopy(char *tmpf, char *defstr)
+_doFileCopy(char *tmpf, char *defstr, int download)
 {
     Str msg;
     Str filen;
     char *p, *q = NULL;
+    pid_t pid;
+    char *lock;
+#if !(defined(HAVE_SYMLINK) && defined(HAVE_LSTAT))
+    FILE *f;
+#endif
+    struct stat st;
+    clen_t size = 0;
 
     if (fmInitialized) {
 	p = searchKeyData();
@@ -7207,10 +7214,40 @@ doFileCopy(char *tmpf, char *defstr)
 	    disp_err_message(msg->ptr, FALSE);
 	    return;
 	}
-	if (_MoveFile(tmpf, p) < 0) {
-	    msg = Sprintf("Can't save to %s", p);
-	    disp_err_message(msg->ptr, FALSE);
+	if (!download) {
+	    if (_MoveFile(tmpf, p) < 0) {
+		msg = Sprintf("Can't save to %s", p);
+		disp_err_message(msg->ptr, FALSE);
+	    }
+	    return;
 	}
+	lock = tmpfname(TMPF_DFL, ".lock")->ptr;
+#if defined(HAVE_SYMLINK) && defined(HAVE_LSTAT)
+	symlink(p, lock);
+#else
+	f = fopen(lock, "w");
+	if (f)
+	    fclose(f);
+#endif
+	pushText(fileToDelete, lock);
+	flush_tty();
+	pid = fork();
+	if (!pid) {
+	    reset_signals();
+	    signal(SIGINT, SIG_IGN);
+#ifdef HAVE_SETPGRP
+	    SETPGRP();
+#endif
+	    close_tty();
+	    QuietMessage = TRUE;
+	    fmInitialized = FALSE;
+	    _MoveFile(tmpf, p);
+	    unlink(lock);
+	    exit(0);
+	}
+	if (!stat(tmpf, &st))
+	    size = st.st_size;
+	addDownloadList(pid, tmpf, p, lock, size);
     }
     else {
 	q = searchKeyData();
@@ -7255,6 +7292,11 @@ doFileSave(URLFile uf, char *defstr)
     Str msg;
     Str filen;
     char *p, *q;
+    pid_t pid;
+    char *lock;
+#if !(defined(HAVE_SYMLINK) && defined(HAVE_LSTAT))
+    FILE *f;
+#endif
 
     if (fmInitialized) {
 	p = searchKeyData();
@@ -7272,10 +7314,38 @@ doFileSave(URLFile uf, char *defstr)
 	    disp_err_message(msg->ptr, FALSE);
 	    return;
 	}
+/*
 	if (save2tmp(uf, p) < 0) {
 	    msg = Sprintf("Can't save to %s", p);
 	    disp_err_message(msg->ptr, FALSE);
 	}
+*/
+	lock = tmpfname(TMPF_DFL, ".lock")->ptr;
+#if defined(HAVE_SYMLINK) && defined(HAVE_LSTAT)
+	symlink(p, lock);
+#else
+	f = fopen(lock, "w");
+	if (f)
+	    fclose(f);
+#endif
+	pushText(fileToDelete, lock);
+	flush_tty();
+	pid = fork();
+	if (!pid) {
+	    reset_signals();
+	    signal(SIGINT, SIG_IGN);
+#ifdef HAVE_SETPGRP
+	    SETPGRP();
+#endif
+	    close_tty();
+	    QuietMessage = TRUE;
+	    fmInitialized = FALSE;
+	    save2tmp(uf, p);
+	    UFclose(&uf);
+	    unlink(lock);
+	    exit(0);
+	}
+	addDownloadList(pid, uf.url, p, lock, current_content_length);
     }
     else {
 	q = searchKeyData();
diff --git a/fm.h b/fm.h
index 5e63e24..4a151f9 100644
--- a/fm.h
+++ b/fm.h
@@ -1,4 +1,4 @@
-/* $Id: fm.h,v 1.76 2002/11/14 16:56:23 ukai Exp $ */
+/* $Id: fm.h,v 1.77 2002/11/15 15:19:44 ukai Exp $ */
 /* 
  * w3m: WWW wo Miru utility
  * 
@@ -453,6 +453,18 @@ typedef struct _TabBuffer {
     Buffer *firstBuffer;
 } TabBuffer;
 
+typedef struct _DownloadList {
+    pid_t pid;
+    char *url;
+    char *save;
+    char *lock;
+    clen_t size;
+    time_t time;
+    int ok;
+    struct _DownloadList *next;
+    struct _DownloadList *prev;
+} DownloadList;
+
 #define COPY_BUFPOSITION(dstbuf, srcbuf) {\
  (dstbuf)->topLine = (srcbuf)->topLine; \
  (dstbuf)->currentLine = (srcbuf)->currentLine; \
@@ -795,6 +807,8 @@ global int TabCols init(10);
 	: (nTab - 1) / ((nTab * TabCols - 1) / (COLS - 2) + 1) + 1)
 #define Currentbuf (CurrentTab->currentBuffer)
 #define Firstbuf (CurrentTab->firstBuffer)
+global DownloadList *FirstDL init(NULL);
+global DownloadList *LastDL init(NULL);
 global int CurrentKey;
 global char *CurrentKeyData;
 global char *CurrentCmdData;
diff --git a/form.c b/form.c
index af3adcc..cc7a374 100644
--- a/form.c
+++ b/form.c
@@ -1,4 +1,4 @@
-/* $Id: form.c,v 1.22 2002/11/12 13:06:14 ukai Exp $ */
+/* $Id: form.c,v 1.23 2002/11/15 15:19:44 ukai Exp $ */
 /* 
  * HTML forms
  */
@@ -31,6 +31,7 @@ struct {
 #ifdef USE_COOKIE
     {"cookie", set_cookie_flag},
 #endif				/* USE_COOKIE */
+    {"download", download_action},
     {"none", NULL},
     {NULL, NULL},
 };
diff --git a/funcname.tab b/funcname.tab
index a3bd25f..202d54a 100644
--- a/funcname.tab
+++ b/funcname.tab
@@ -1,4 +1,4 @@
-# $Id: funcname.tab,v 1.12 2002/11/05 17:10:05 ukai Exp $
+# $Id: funcname.tab,v 1.13 2002/11/15 15:19:45 ukai Exp $
 # macro name	function name
 #----------------------------
 @@@		nulcmd
@@ -20,6 +20,7 @@ DICT_WORD_AT	dictwordat
 DISPLAY_IMAGE	dispI
 DOWN		ldown1
 DOWNLOAD	svSrc
+DOWNLOAD_LIST	ldDL
 EDIT		editBf
 EDIT_SCREEN	editScr
 END		goLineL
diff --git a/html.h b/html.h
index cde57c6..677ad29 100644
--- a/html.h
+++ b/html.h
@@ -1,4 +1,4 @@
-/* $Id: html.h,v 1.9 2002/10/10 16:59:33 ukai Exp $ */
+/* $Id: html.h,v 1.10 2002/11/15 15:19:45 ukai Exp $ */
 #ifndef _HTML_H
 #define _HTML_H
 #ifdef USE_SSL
@@ -72,6 +72,7 @@ typedef struct {
 #ifdef USE_SSL
     char *ssl_certificate;
 #endif
+    char *url;
 } URLFile;
 
 #define CMP_NOCOMPRESS   0
diff --git a/main.c b/main.c
index f09f190..5e37dcc 100644
--- a/main.c
+++ b/main.c
@@ -1,4 +1,4 @@
-/* $Id: main.c,v 1.131 2002/11/14 17:01:29 ukai Exp $ */
+/* $Id: main.c,v 1.132 2002/11/15 15:19:46 ukai Exp $ */
 #define MAINPROGRAM
 #include "fm.h"
 #include <signal.h>
@@ -85,6 +85,7 @@ static void dump_extra(Buffer *);
 int prec_num = 0;
 int prev_key = -1;
 int on_target = 1;
+static int add_download_list = FALSE;
 
 void set_buffer_environ(Buffer *);
 
@@ -1026,6 +1027,10 @@ main(int argc, char **argv, char **envp)
 		set_buffer_environ(Currentbuf);
 		keyPressEventProc((int)c);
 		prec_num = 0;
+		if (add_download_list) {
+		    add_download_list = FALSE;
+		    ldDL();
+		}
 	    }
 	}
 	prev_key = CurrentKey;
@@ -2165,23 +2170,21 @@ movRW(void)
     displayBuffer(Currentbuf, B_NORMAL);
 }
 
-/* Question and Quit */
-void
-qquitfm(void)
+static void
+_quitfm(int confirm)
 {
-    char *ans;
-    if (!confirm_on_quit)
-	quitfm();
-    ans = inputChar("Do you want to exit w3m? (y/n)");
-    if (ans && tolower(*ans) == 'y')
-	quitfm();
-    displayBuffer(Currentbuf, B_NORMAL);
-}
+    char *ans = "y";
+
+    if (checkDownloadList())
+	ans = inputChar("Download process retains. "
+			"Do you want to exit w3m? (y/n)");
+    else if (confirm)
+	ans = inputChar("Do you want to exit w3m? (y/n)");
+    if (!(ans && tolower(*ans) == 'y')) {
+	displayBuffer(Currentbuf, B_NORMAL);
+	return;
+    }
 
-/* Quit */
-void
-quitfm(void)
-{
     term_title("");		/* XXX */
 #ifdef USE_IMAGE
     if (activeImage)
@@ -2198,6 +2201,20 @@ quitfm(void)
     w3m_exit(0);
 }
 
+/* Quit */
+void
+quitfm(void)
+{
+    _quitfm(FALSE);
+}
+
+/* Question and Quit */
+void
+qquitfm(void)
+{
+    _quitfm(confirm_on_quit);
+}
+
 /* Select buffer */
 void
 selBuf(void)
@@ -5158,6 +5175,7 @@ w3m_exit(int i)
 #ifdef USE_MIGEMO
     init_migemo();		/* close pipe to migemo */
 #endif
+    stopDownload();
     deleteFiles();
 #ifdef USE_SSL
     free_ssl_ctx();
@@ -5683,3 +5701,210 @@ tabL(void)
 	 tab = tab->prevTab, i++) ;
     moveTab(CurrentTab, tab ? tab : FirstTab, FALSE);
 }
+
+void
+addDownloadList(pid_t pid, char *url, char *save, char *lock, clen_t size)
+{
+    DownloadList *d;
+
+    d = New(DownloadList);
+    d->pid = pid;
+    d->url = url;
+    if (save[0] != '/' && save[0] != '~')
+	save = Strnew_m_charp(CurrentDir, "/", save, NULL)->ptr;
+    d->save = expandName(save);
+    d->lock = lock;
+    d->size = size;
+    d->time = time(0);
+    d->ok = FALSE;
+    d->next = NULL;
+    d->prev = LastDL;
+    if (LastDL)
+	LastDL->next = d;
+    else
+	FirstDL = d;
+    LastDL = d;
+    add_download_list = TRUE;
+}
+
+int
+checkDownloadList(void)
+{
+    DownloadList *d;
+    struct stat st;
+
+    if (!FirstDL)
+	return FALSE;
+    for (d = FirstDL; d != NULL; d = d->next) {
+#ifdef HAVE_LSTAT
+	if (!d->ok && !lstat(d->lock, &st))
+#else
+	if (!d->ok && !stat(d->lock, &st))
+#endif
+	    return TRUE;
+    }
+    return FALSE;
+}
+
+static char *
+convert_size3(clen_t size)
+{
+    Str tmp = Strnew();
+    int n;
+
+    do {
+	n = size % 1000;
+	size /= 1000;
+	tmp = Sprintf(size ? ",%.3d%s" : "%d%s", n, tmp->ptr);
+    } while (size);
+    return tmp->ptr;
+}
+
+static Buffer *
+DownloadListBuffer(void)
+{
+    DownloadList *d;
+    Str src = NULL;
+    struct stat st;
+    time_t cur_time;
+    int duration, rate, eta;
+    size_t size;
+
+    if (!FirstDL)
+	return NULL;
+    cur_time = time(0);
+    src = Strnew_charp("<html><head><title>Download Panel</title></head>\
+<body><h1 align=center>Download Panel</h1>\
+<form method=internal action=download>\
+<input type=submit name=update value=Update><hr>\n");
+    for (d = LastDL; d != NULL; d = d->prev) {
+#ifdef HAVE_LSTAT
+	if (lstat(d->lock, &st))
+#else
+	if (stat(d->lock, &st))
+#endif
+	    d->ok = TRUE;
+	Strcat_charp(src, "<pre>\n");
+	Strcat(src, Sprintf("%s\n  --&gt; %s\n  ", html_quote(d->url),
+			    html_quote(d->save)));
+	duration = cur_time - d->time;
+	if (!stat(d->save, &st)) {
+	    size = st.st_size;
+	    if (d->ok) {
+		d->size = size;
+		duration = st.st_mtime - d->time;
+	    }
+	}
+	else
+	    size = 0;
+	if (d->size) {
+	    int i, l = COLS - 6;
+	    if (size < d->size)
+		i = l * size / d->size;
+	    else
+		i = l;
+	    l -= i;
+	    while (i-- > 0)
+		Strcat_char(src, '#');
+	    while (l-- > 0)
+		Strcat_char(src, '_');
+	    Strcat_char(src, '\n');
+	}
+	if (!d->ok && size < d->size)
+	    Strcat(src, Sprintf("  %s / %s bytes (%d%%)",
+				convert_size3(size), convert_size3(d->size),
+				(int)(100.0 * size / d->size)));
+	else
+	    Strcat(src, Sprintf("  %s bytes loaded", convert_size3(size)));
+	if (duration > 0) {
+	    rate = size / duration;
+	    Strcat(src, Sprintf("  %02d:%02d:%02d  rate %s/sec",
+				duration / (60 * 60), (duration / 60) % 60,
+				duration % 60, convert_size(rate, 1)));
+	    if (!d->ok && size < d->size && rate) {
+	    	eta = (d->size - size) / rate;
+		Strcat(src, Sprintf("  eta %02d:%02d:%02d", eta / (60 * 60),
+				    (eta / 60) % 60, eta % 60));
+	    }
+	}
+	Strcat_char(src, '\n');
+	if (d->ok) {
+	    Strcat(src, Sprintf("<input type=submit name=ok%d value=OK>",
+				d->pid));
+	    if (size < d->size)
+	        Strcat_charp(src, " Download incompleted");
+	    else
+	        Strcat_charp(src, " Download completed");
+	} else
+	    Strcat(src, Sprintf("<input type=submit name=stop%d value=STOP>",
+				d->pid));
+	Strcat_charp(src, "\n</pre><hr>\n");
+    }
+    Strcat_charp(src, "</form></body></html>");
+    return loadHTMLString(src);
+}
+
+void
+download_action(struct parsed_tagarg *arg)
+{
+    DownloadList *d;
+    pid_t pid;
+
+    for (; arg; arg = arg->next) {
+	if (!strcmp(arg->arg, "update"))
+	    break;
+	else if (!strncmp(arg->arg, "stop", 4)) {
+	    pid = (pid_t)atoi(&arg->arg[4]);
+	    kill(pid, SIGKILL);
+	}
+	else if (!strncmp(arg->arg, "ok", 2))
+	    pid = (pid_t)atoi(&arg->arg[2]);
+	else
+	    continue;
+	for (d = FirstDL; d; d = d->next) {
+	    if (d->pid == pid) {
+		unlink(d->lock);
+		if (d->prev)
+		    d->prev->next = d->next;
+		else
+		    FirstDL = d->next;
+		if (d->next)
+		    d->next->prev = d->prev;
+		else
+		    LastDL = d->prev;
+		break;
+	    }
+	}
+    }
+    if (FirstDL) {
+	ldDL();
+	deletePrevBuf();
+    }
+    else
+	backBf();
+}
+
+void
+stopDownload(void)
+{
+    DownloadList *d;
+
+    if (!FirstDL)
+	return;
+    for (d = FirstDL; d != NULL; d = d->next) {
+	if (d->ok)
+	    continue;
+	kill(d->pid, SIGKILL);
+	unlink(d->lock);
+    }
+}
+
+/* download panel */
+void
+ldDL(void)
+{
+    if (!FirstDL)
+	return;
+    cmd_loadBuffer(DownloadListBuffer(), BP_NO_URL, LB_NOLINK);
+    nextA();
+}
diff --git a/proto.h b/proto.h
index ddb1e63..9807c44 100644
--- a/proto.h
+++ b/proto.h
@@ -1,4 +1,4 @@
-/* $Id: proto.h,v 1.54 2002/11/10 11:59:15 ukai Exp $ */
+/* $Id: proto.h,v 1.55 2002/11/15 15:19:46 ukai Exp $ */
 /* 
  *   This file was automatically generated by version 1.7 of cextract.
  *   Manual editing not recommended.
@@ -128,6 +128,7 @@ extern void tabURL(void);
 extern void tabrURL(void);
 extern void tabR(void);
 extern void tabL(void);
+extern void ldDL(void);
 
 extern int currentLn(Buffer *buf);
 extern void tmpClearBuffer(Buffer *buf);
@@ -185,6 +186,8 @@ extern void HTMLlineproc0(char *istr, struct html_feed_environ *h_env,
 			  int internal);
 #define HTMLlineproc1(x,y) HTMLlineproc0(x,y,TRUE)
 extern Buffer *loadHTMLBuffer(URLFile *f, Buffer *newBuf);
+extern char *convert_size(clen_t size, int usefloat);
+extern char *convert_size2(clen_t size1, clen_t size2, int usefloat);
 extern void showProgress(clen_t *linelen, clen_t *trbyte);
 extern void init_henv(struct html_feed_environ *, struct readbuffer *,
 		      struct environment *, int, TextLineList *, int, int);
@@ -209,7 +212,8 @@ extern Line *getNextPage(Buffer *buf, int plen);
 extern int save2tmp(URLFile uf, char *tmpf);
 extern int doExternal(URLFile uf, char *path, char *type, Buffer **bufp,
 		      Buffer *defaultbuf);
-extern void doFileCopy(char *tmpf, char *defstr);
+extern void _doFileCopy(char *tmpf, char *defstr, int download);
+#define doFileCopy(tmpf, defstr) _doFileCopy(tmpf, defstr, FALSE);
 extern void doFileMove(char *tmpf, char *defstr);
 extern void doFileSave(URLFile uf, char *defstr);
 extern int checkCopyFile(char *path1, char *path2);
@@ -221,6 +225,11 @@ extern void readHeader(URLFile *uf, Buffer *newBuf, int thru, ParsedURL *pu);
 extern char *checkHeader(Buffer *buf, char *field);
 extern TabBuffer *newTab(void);
 extern TabBuffer *deleteTab(TabBuffer *tab);
+extern void addDownloadList(pid_t pid, char *url, char *save, char *lock,
+			    clen_t size);
+extern void stopDownload(void);
+extern int checkDownloadList(void);
+extern void download_action(struct parsed_tagarg *arg);
 extern Buffer *newBuffer(int width);
 extern Buffer *nullBuffer(void);
 extern void clearBuffer(Buffer *buf);
diff --git a/url.c b/url.c
index b07a330..dedcbc6 100644
--- a/url.c
+++ b/url.c
@@ -1,4 +1,4 @@
-/* $Id: url.c,v 1.56 2002/11/14 16:56:24 ukai Exp $ */
+/* $Id: url.c,v 1.57 2002/11/15 15:19:46 ukai Exp $ */
 #include "fm.h"
 #include <sys/types.h>
 #include <sys/socket.h>
@@ -1476,6 +1476,7 @@ openURL(char *url, ParsedURL *pu, ParsedURL *current,
     }
 
     uf.scheme = pu->scheme;
+    uf.url = parsedURL2Str(pu)->ptr;
     pu->is_nocache = (option->flag & RG_NOCACHE);
     uf.ext = filename_extension(pu->file, 1);
 
-- 
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