OpenSRF/src/jserver/jserver-c_session.h

   1 #define _GNU_SOURCE
   2
   3 #include "opensrf/utils.h"
   4 #include "opensrf/logging.h"
   5
   6 #include "jstrings.h"
   7
   8 #include <stdio.h>
   9 #include <string.h>
  10
  11 #include <libxml/globals.h>
  12 #include <libxml/xmlerror.h>
  13 #include <libxml/parser.h>
  14 #include <libxml/parserInternals.h> /* only for xmlNewInputFromFile() */
  15 #include <libxml/tree.h>
  16 #include <libxml/debugXML.h>
  17 #include <libxml/xmlmemory.h>
  18
  19
  20 /* session states */
  21 #define JABBER_STATE_CONNECTED                  2
  22 #define JABBER_STATE_CONNECTING                 4
  23 #define JABBER_STATE_IN_MESSAGE                 8
  24
  25
  26 struct jserver_session_struct {
  27
  28         /* our connection state */
  29         unsigned int state;
  30
  31         /* incoming XML is parsed with the SAX parser */
  32         xmlParserCtxtPtr parser_ctxt;
  33
  34         /* incoming message are shoved into this DOM doc after they are parsed */
  35         xmlDocPtr current_msg;
  36
  37         /* we have to grab off the from and to for routing */
  38         char* current_to;
  39         char* current_from;
  40
  41         char* current_domain;
  42         char* current_resource;
  43         char* current_username;
  44
  45         int in_iq;
  46         int in_uname;
  47         int in_resource;
  48
  49         void* blob; /* callback blob - can be anything that needs passing around */
  50         void (*on_msg_complete) (void* blob, char* msg_xml, char* from, char* to );
  51
  52         /* happens after someone logs in and we've pieced together the from address */
  53         void (*on_from_discovered) (void* blob, char* from );
  54         void (*on_login_init) (void* blob, char* reply );
  55         void (*on_login_ok) (void* blob);
  56         void (*on_client_finish) (void* blob);
  57
  58 };
  59 typedef struct jserver_session_struct jserver_session;
  60
  61
  62 jserver_session* jserver_session_init();
  63 void jserver_session_free(jserver_session* session);
  64 char* sax_xml_attr( const xmlChar** atts, char* attr_name );
  65 int jserver_session_push_data(jserver_session* session, char* data);
  66
  67 void dom_add_attrs(xmlNodePtr node, const xmlChar** atts);
  68 char* _xml_to_string( xmlDocPtr doc );
  69
  70
  71 // ---------------------------------------------------------------------------------
  72 // Our SAX handlers
  73 // ---------------------------------------------------------------------------------
  74 void sax_start_element(
  75                 void *session, const xmlChar *name, const xmlChar **atts);
  76
  77 void sax_end_element( void* blob, const xmlChar *name);
  78
  79 void sax_start_doc(void* blob);
  80 //void sax_end_doc(void* blob);
  81
  82 void sax_character( void* blob, const xmlChar *ch, int len);
  83
  84 void  sax_warning( void* blob, const char* msg, ... );
  85
  86 static xmlSAXHandler sax_handler_struct = {
  87    NULL,                                                /* internalSubset */
  88    NULL,                                                /* isStandalone */
  89    NULL,                                                /* hasInternalSubset */
  90    NULL,                                                /* hasExternalSubset */
  91    NULL,                                                /* resolveEntity */
  92    NULL,                                                /* getEntity */
  93    NULL,                                                /* entityDecl */
  94    NULL,                                                /* notationDecl */
  95    NULL,                                                /* attributeDecl */
  96    NULL,                                                /* elementDecl */
  97    NULL,                                                /* unparsedEntityDecl */
  98    NULL,                                                /* setDocumentLocator */
  99    sax_start_doc,                       /* startDocument */
 100    NULL,                                                /* endDocument */
 101         sax_start_element,      /* startElement */
 102         sax_end_element,                /* endElement */
 103    NULL,                                                /* reference */
 104         sax_character,                  /* characters */
 105    NULL,                                                /* ignorableWhitespace */
 106    NULL,                                                /* processingInstruction */
 107    NULL,                                                /* comment */
 108    sax_warning,                 /* xmlParserWarning */
 109    sax_warning,                 /* xmlParserError */
 110    NULL,                                                /* xmlParserFatalError : unused */
 111    NULL,                                                /* getParameterEntity */
 112    NULL,                                                /* cdataBlock; */
 113    NULL,                                                /* externalSubset; */
 114    1,
 115    NULL,
 116    NULL,                                                /* startElementNs */
 117    NULL,                                                /* endElementNs */
 118         NULL                                            /* xmlStructuredErrorFunc */
 119 };
 120
 121 static const xmlSAXHandlerPtr sax_handler = &sax_handler_struct;