[sr-dev] git:master: core: added import_file

Module: sip-router Branch: master Commit: 1cdad56cd88cad2b0732818880ae326e6da5735c URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=1cdad56… Author: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Committer: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Date: Tue Jul 5 09:15:34 2011 +0200 core: added import_file - import_file is similar to include_file but does not throws error if the file is not found: - example: import_file "myfile.cfg" --- cfg.lex | 115 ++++++++++++++++++++++++++++++++++++++++++-------------------- 1 files changed, 78 insertions(+), 37 deletions(-) diff --git a/cfg.lex b/cfg.lex index d7a3190..0518fea 100644 --- a/cfg.lex +++ b/cfg.lex @@ -158,7 +158,7 @@ } include_stack[MAX_INCLUDE_DEPTH]; static int include_stack_ptr = 0; - static int sr_push_yy_state(char *fin); + static int sr_push_yy_state(char *fin, int mode); static int sr_pop_yy_state(); static struct sr_yy_fname { @@ -177,7 +177,7 @@ /* start conditions */ %x STRING1 STRING2 STR_BETWEEN COMMENT COMMENT_LN ATTR SELECT AVP_PVAR PVAR_P -%x PVARID INCLF +%x PVARID INCLF IMPTF %x LINECOMMENT DEFINE_ID DEFINE_EOL DEFINE_DATA IFDEF_ID IFDEF_EOL IFDEF_SKIP /* config script types : #!SER or #!KAMAILIO or #!MAX_COMPAT */ @@ -251,8 +251,6 @@ CASE "case" DEFAULT "default" WHILE "while" -INCLUDEFILE "include_file" - CFG_SELECT "cfg_select" CFG_RESET "cfg_reset" @@ -563,6 +561,10 @@ EAT_ABLE [\ \t\b\r] SUBST subst SUBSTDEF substdef +/* include files */ +INCLUDEFILE "include_file" +IMPORTFILE "import_file" + %% @@ -650,6 +652,7 @@ SUBSTDEF substdef <INITIAL>{WHILE} { count(); yylval.strval=yytext; return WHILE; } <INITIAL>{INCLUDEFILE} { count(); BEGIN(INCLF); } +<INITIAL>{IMPORTFILE} { count(); BEGIN(IMPTF); } <INITIAL>{CFG_SELECT} { count(); yylval.strval=yytext; return CFG_SELECT; } <INITIAL>{CFG_RESET} { count(); yylval.strval=yytext; return CFG_RESET; } @@ -1277,7 +1280,17 @@ SUBSTDEF substdef <INCLF>[ \t]* /* eat the whitespace */ <INCLF>[^ \t\n]+ { /* get the include file name */ - if(sr_push_yy_state(yytext)<0) + if(sr_push_yy_state(yytext, 0)<0) + { + LOG(L_CRIT, "error at %s line %d\n", (finame)?finame:"cfg", line); + exit(-1); + } + BEGIN(INITIAL); +} + +<IMPTF>[ \t]* /* eat the whitespace */ +<IMPTF>[^ \t\n]+ { /* get the import file name */ + if(sr_push_yy_state(yytext, 1)<0) { LOG(L_CRIT, "error at %s line %d\n", (finame)?finame:"cfg", line); exit(-1); @@ -1444,14 +1457,16 @@ int yywrap() return 1; } -static int sr_push_yy_state(char *fin) +static int sr_push_yy_state(char *fin, int mode) { struct sr_yy_fname *fn = NULL; + FILE *fp = NULL; char *x = NULL; char *newf = NULL; #define MAX_INCLUDE_FNAME 128 char fbuf[MAX_INCLUDE_FNAME]; int i, j, l; + char *tmpfiname = 0; if ( include_stack_ptr >= MAX_INCLUDE_DEPTH ) { @@ -1505,54 +1520,80 @@ static int sr_push_yy_state(char *fin) } fbuf[j] = '\0'; - include_stack[include_stack_ptr].state = YY_CURRENT_BUFFER; - include_stack[include_stack_ptr].line = line; - include_stack[include_stack_ptr].column = column; - include_stack[include_stack_ptr].startline = startline; - include_stack[include_stack_ptr].startcolumn = startcolumn; - include_stack[include_stack_ptr].finame = finame; - include_stack_ptr++; - - line=1; - column=1; - startline=1; - startcolumn=1; - - yyin = fopen(fbuf, "r" ); + fp = fopen(fbuf, "r" ); - if ( ! yyin ) + if ( ! fp ) { - finame = (finame==0)?cfg_file:finame; - if(finame==0 || fbuf[0]=='/') + tmpfiname = (finame==0)?cfg_file:finame; + if(tmpfiname==0 || fbuf[0]=='/') { - LOG(L_CRIT, "cannot open included file: %s\n", fin); - return -1; + if(mode==0) + { + LOG(L_CRIT, "cannot open included file: %s\n", fin); + return -1; + } else { + LOG(L_DBG, "importing file ignored: %s\n", fin); + return 0; + } } - x = strrchr(finame, '/'); - if(x) + x = strrchr(tmpfiname, '/'); + if(x==NULL) { - newf = (char*)pkg_malloc(x-finame+strlen(fbuf)+2); - if(newf==0) + /* nothing else to try */ + if(mode==0) { - LOG(L_CRIT, "no more pkg\n"); + LOG(L_CRIT, "cannot open included file: %s\n", fin); return -1; + } else { + LOG(L_DBG, "importing file ignored: %s\n", fin); + return 0; } - newf[0] = '\0'; - strncat(newf, finame, x-finame); - strcat(newf, "/"); - strcat(newf, fbuf); } - yyin = fopen(newf, "r" ); - if ( ! yyin ) + + newf = (char*)pkg_malloc(x-tmpfiname+strlen(fbuf)+2); + if(newf==0) { - LOG(L_CRIT, "cannot open included file: %s (%s)\n", fbuf, newf); + LOG(L_CRIT, "no more pkg\n"); return -1; } + newf[0] = '\0'; + strncat(newf, tmpfiname, x-tmpfiname); + strcat(newf, "/"); + strcat(newf, fbuf); + + fp = fopen(newf, "r" ); + if ( fp==NULL ) + { + pkg_free(newf); + if(mode==0) + { + LOG(L_CRIT, "cannot open included file: %s (%s)\n", fbuf, newf); + return -1; + } else { + LOG(L_DBG, "importing file ignored: %s (%s)\n", fbuf, newf); + return 0; + } + } LOG(L_DBG, "including file: %s (%s)\n", fbuf, newf); } else { newf = fbuf; } + include_stack[include_stack_ptr].state = YY_CURRENT_BUFFER; + include_stack[include_stack_ptr].line = line; + include_stack[include_stack_ptr].column = column; + include_stack[include_stack_ptr].startline = startline; + include_stack[include_stack_ptr].startcolumn = startcolumn; + include_stack[include_stack_ptr].finame = finame; + include_stack_ptr++; + + line=1; + column=1; + startline=1; + startcolumn=1; + + yyin = fp; + /* make a copy in PKG if does not exist */ fn = sr_yy_fname_list; while(fn!=0)