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Annotation of libwww/Library/src/HTTrans.c, revision 2.6

2.1       frystyk     1: /*                                                                  HTTrans.c
                      2: **     TRANSPORT LAYER MANAGER
                      3: **
                      4: **     (c) COPYRIGHT MIT 1995.
                      5: **     Please first read the full copyright statement in the file COPYRIGH.
2.6     ! frystyk     6: **     @(#) $Id: HTTrans.c,v 2.5 1998/05/04 19:37:36 frystyk Exp $
2.1       frystyk     7: **
                      8: ** HISTORY:
                      9: **     Marts 96 HFN    Written
                     10: */
                     11: 
                     12: /* Library Include files */
2.5       frystyk    13: #include "wwwsys.h"
2.4       frystyk    14: #include "WWWUtil.h"
2.1       frystyk    15: #include "HTParse.h"
                     16: #include "HTReq.h"
                     17: #include "HTIOStream.h"
                     18: #include "HTTrans.h"                                    /* Implemented here */
                     19: 
                     20: PRIVATE HTList * transports = NULL;         /* List of registered transports */
                     21: 
                     22: /* --------------------------------------------------------------------------*/
                     23: 
                     24: /*
                     25: **     Register a Transport module
                     26: */
                     27: PUBLIC BOOL HTTransport_add (const char *              name,
2.4       frystyk    28:                             HTTransportMode            mode,
2.1       frystyk    29:                             HTInput_new *              get_input,
                     30:                             HTOutput_new *             get_output)
                     31: {
2.3       frystyk    32:     if (name && (get_input || get_output)) {
2.1       frystyk    33:        HTTransport * tp;
                     34:        if ((tp = (HTTransport *) HT_CALLOC(1, sizeof(HTTransport))) == NULL)
                     35:            HT_OUTOFMEM("HTTransport_add");
                     36:        StrAllocCopy(tp->name, name);
                     37:        {
                     38:            char *ptr = tp->name;
                     39:            while ((*ptr = TOLOWER(*ptr))) ptr++;
                     40:        }
                     41:        tp->mode = mode;
                     42:        tp->input_new = get_input;
                     43:        tp->output_new = get_output;
                     44:        if (!transports) transports = HTList_new();
2.2       frystyk    45:        if (CORE_TRACE) HTTrace("Transport... Adding `%s'\n", name);
2.1       frystyk    46:        return HTList_addObject(transports, (void *) tp);
2.3       frystyk    47:     } else if (CORE_TRACE) HTTrace("Transport... Can't add this...\n");
2.1       frystyk    48:     return NO;
                     49: }
                     50: 
                     51: /*
                     52: **     Deletes a Transport module
                     53: */
                     54: PUBLIC BOOL HTTransport_delete (const char * name)
                     55: {
                     56:     if (transports) {
                     57:        HTList *cur = transports;
                     58:        HTTransport *pres;
                     59:        while ((pres = (HTTransport *) HTList_nextObject(cur))) {
                     60:            if (!strcmp(pres->name, name)) {
                     61:                HT_FREE(pres->name);
                     62:                return HTList_removeObject(transports, (void *) pres);
                     63:            }
                     64:        }
                     65:     }
                     66:     return NO;
                     67: }
                     68: 
                     69: /*
                     70: **     Delete the list of registered transports. This is called from
                     71: **     within HTLibTerminate.
                     72: */
                     73: PUBLIC BOOL HTTransport_deleteAll (void)
                     74: {
                     75:     if (transports) {
                     76:        HTList * cur = transports;
                     77:        HTTransport * pres;
                     78:        while ((pres = (HTTransport *) HTList_nextObject(cur))) {
                     79:            HT_FREE(pres->name);
                     80:            HT_FREE(pres);
                     81:        }
                     82:        HTList_delete(transports);
                     83:        transports = NULL;
                     84:        return YES;
                     85:     }
                     86:     return NO;
                     87: }
                     88: 
                     89: /*
                     90: **     Search registered transports to find a suitable transport object.
                     91: **     Return transport object or NULL
                     92: */
                     93: PUBLIC HTTransport * HTTransport_find (HTRequest * request, const char * name)
                     94: {
2.6     ! frystyk    95:     if (name) {
2.1       frystyk    96:        HTList * cur = transports;
                     97:        HTTransport * pres;
                     98:        if (cur) {
                     99:            while ((pres = (HTTransport *) HTList_nextObject(cur))) {
                    100:                if (!strcmp(pres->name, name)) return pres;
                    101:            }
                    102:        }
2.6     ! frystyk   103:        if (request)
        !           104:            HTRequest_addError(request, ERR_FATAL, NO, HTERR_CLASS, (char *) name,
        !           105:                               (int) strlen(name), "HTTransport_find");
2.1       frystyk   106:     }
                    107:     return NULL;
                    108: }
                    109: 
2.4       frystyk   110: PUBLIC HTTransportMode HTTransport_mode (HTTransport * tp)
2.1       frystyk   111: {
2.4       frystyk   112:     return (tp ? tp->mode : HT_TP_SINGLE);
2.1       frystyk   113: }
2.4       frystyk   114: 
                    115: PUBLIC BOOL HTTransport_setMode (HTTransport * tp, HTTransportMode mode)
                    116: {
                    117:     if (tp) {
                    118:         tp->mode = mode;
                    119:         return YES;
                    120:     }
                    121:     return NO;
                    122: }
                    123: