X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=www%2Fwproto.c;h=992d8007e421db03cab4d563f246888cb85ab95e;hb=a99bbcafcacb3b34d19e2ccef4ee636dfbe883e1;hp=62448aad0e079f7d6dfec26daa149131bc83fb31;hpb=5e3100c03c68fd3192bbcef8de7c3b9488b4d3c3;p=egate.git diff --git a/www/wproto.c b/www/wproto.c index 62448aa..992d800 100644 --- a/www/wproto.c +++ b/www/wproto.c @@ -41,6 +41,14 @@ * USE OR PERFORMANCE OF THIS SOFTWARE. * * $Log: wproto.c,v $ + * Revision 1.24 1997/01/31 11:16:00 adam + * Enhanced the egw_source command. An optional parameter specifies the + * name of a variable in which the HTML output is stored. + * + * Revision 1.23 1997/01/27 11:27:14 adam + * Implemented a new command, egw_clear, to clear http output cache. + * Changed prototype for function wo_clear. + * * Revision 1.22 1997/01/24 13:13:11 adam * Implemnted egw_source and added a "raw" option to the URL. * Fixed a bug in the buffering system of wproto; the macro wo_putc could @@ -152,14 +160,17 @@ static void wproto_uncache(WCLIENT wc, int level); static char *mod = "wproto"; +void wo_expand (WCLIENT wc, size_t len) +{ + assert (wc->outbuffer); + wc->outbuffer = realloc(wc->outbuffer, wc->outbuffer_size += + ((len >= OUTBUFFER_CHUNK) ? len*2 : OUTBUFFER_CHUNK)); +} + void wo_write (WCLIENT wc, const char *s, size_t len) { if (wc->outbuffer_offset + len >= wc->outbuffer_size) - { - assert (wc->outbuffer); - wc->outbuffer = realloc(wc->outbuffer, wc->outbuffer_size += - ((len >= OUTBUFFER_CHUNK) ? len*2 : OUTBUFFER_CHUNK)); - } + wo_expand (wc, len); memcpy(wc->outbuffer + wc->outbuffer_offset, s, len); wc->outbuffer_offset += len; } @@ -180,36 +191,11 @@ void wo_printf (WCLIENT wc, const char *fmt, ...) va_end(ap); } -void wo_clear (WCLIENT wc, const char *type) +void wo_clear (WCLIENT wc) { if (!wc->outbuffer) wc->outbuffer = malloc (wc->outbuffer_size = OUTBUFFER_CHUNK); wc->outbuffer_offset = 0; - if (type) - wo_printf(wc, "Content-type: %s\n\n", type); -} - -int wo_puthtml (WCLIENT wc, char *name) -{ - FILE *f; - char ch; - - wo_clear(wc, "text/html"); - if (!(f = fopen(name, "r"))) - { - wo_printf(wc, "
Failed to open file: %s
", name); - return 0; - } - while (ch = getc(f), !feof(f)) - { - if (wo_putc(wc, ch) < 0) - { - fclose(f); - return -1; - } - } - fclose(f); - return 0; } int wo_flush(WCLIENT wc) @@ -252,7 +238,9 @@ int wo_flush(WCLIENT wc) int wo_overflow(WCLIENT wc, char ch) { gw_log (GW_LOG_DEBUG, mod, "wo_overflow"); - if (wo_flush(wc) < 0) + if (wc->save_level) + wo_expand (wc, 0); + else if (wo_flush(wc) < 0) return -1; return wo_putc(wc, ch); } @@ -443,11 +431,11 @@ int wproto_process(WCLIENT wc, int timeout) WCLIENT wproto_init (const char *fifoDir, const char *prog) { char *val, path2[256]; - wclient_data *new; + wclient_data *newp; gw_log (GW_LOG_DEBUG, mod, "wproto_init"); close(1); /* release us from the wserver */ - if (!(new = malloc(sizeof(*new)))) + if (!(newp = malloc(sizeof(*newp)))) { gw_log (GW_LOG_FATAL|GW_LOG_ERRNO, mod, "malloc"); exit (1); @@ -457,49 +445,50 @@ WCLIENT wproto_init (const char *fifoDir, const char *prog) gw_log (GW_LOG_FATAL, mod, "GWID not set"); exit (1); } - if (!(new->prog = malloc (strlen(prog)+1))) + if (!(newp->prog = malloc (strlen(prog)+1))) { gw_log (GW_LOG_FATAL|GW_LOG_ERRNO, mod, "malloc"); exit (1); } - strcpy (new->prog, prog); - new->fifoDir = fifoDir; - new->id = atoi (val); - sprintf(new->path, "%s/clt%d", new->fifoDir, new->id); - if (mkfifo(new->path, 0666 | S_IFIFO) < 0) - gw_log (GW_LOG_WARN|GW_LOG_ERRNO, mod, "mkfifo(%s)", new->path); + strcpy (newp->prog, prog); + newp->fifoDir = fifoDir; + newp->id = atoi (val); + sprintf(newp->path, "%s/clt%d", newp->fifoDir, newp->id); + if (mkfifo(newp->path, 0666 | S_IFIFO) < 0) + gw_log (GW_LOG_WARN|GW_LOG_ERRNO, mod, "mkfifo(%s)", newp->path); gw_log (GW_LOG_DEBUG, mod, "Synchronizing with server."); - sprintf(path2, "%s/srv%d", new->fifoDir, getppid()); - if ((new->lineout = open(path2, O_WRONLY)) < 0) + sprintf(path2, "%s/srv%d", newp->fifoDir, getppid()); + if ((newp->lineout = open(path2, O_WRONLY)) < 0) { gw_log (GW_LOG_FATAL|GW_LOG_ERRNO, mod, "open out %s", path2); exit(1); } - if (write(new->lineout, "OK", 2) < 2) + if (write(newp->lineout, "OK", 2) < 2) { gw_log (GW_LOG_FATAL|GW_LOG_ERRNO, mod, "write"); exit(1); } gw_log (GW_LOG_DEBUG, mod, "Synchronized."); - if ((new->linein = open(new->path, O_RDONLY)) < 0) + if ((newp->linein = open(newp->path, O_RDONLY)) < 0) { - gw_log (GW_LOG_FATAL|GW_LOG_ERRNO, mod, "open input %s", new->path); + gw_log (GW_LOG_FATAL|GW_LOG_ERRNO, mod, "open input %s", newp->path); exit(1); } gw_log (GW_LOG_DEBUG, mod, "init. linein=%d lineout=%d", - new->linein, new->lineout); + newp->linein, newp->lineout); /* we put a handle on this so we get a blocking read when no peer */ - if (open(new->path, O_WRONLY | O_NDELAY) < 0) + if (open(newp->path, O_WRONLY | O_NDELAY) < 0) { - gw_log (GW_LOG_FATAL|GW_LOG_ERRNO, mod, "open dummy %s", new->path); + gw_log (GW_LOG_FATAL|GW_LOG_ERRNO, mod, "open dummy %s", newp->path); exit(1); } - new->outbuffer = 0; - new->outbuffer_size = 0; - new->outbuffer_offset = 0; - new->cache_level = -1; - new->cache_fd = -1; - return new; + newp->outbuffer = 0; + newp->outbuffer_size = 0; + newp->outbuffer_offset = 0; + newp->cache_level = -1; + newp->cache_fd = -1; + newp->save_level = 0; + return newp; } static void wproto_uncache(WCLIENT wc, int level) @@ -548,6 +537,25 @@ static int wproto_findcache(WCLIENT wc, char *name) return -1; } +int wproto_save_push (WCLIENT wc) +{ + return wc->outbuffer_offset; + wc->save_level++; +} + +char *wproto_save_pop (WCLIENT wc, int offset) +{ + char *cp; + if (!wc->save_level) + return NULL; + --(wc->save_level); + assert (offset <= wc->outbuffer_offset); + cp = wc->outbuffer + offset; + wc->outbuffer[wc->outbuffer_offset] = '\0'; + wc->outbuffer_offset = offset; + return cp; +} + static int wproto_dumpcache(WCLIENT wc, int level) { int fd, rd;