terom@6: 
terom@6: #include "error.h"
terom@6: 
terom@30: // for the error_desc tables
terom@30: #include "sock.h"
terom@30: #include "sock_gnutls.h"
terom@30: 
terom@7: #include <string.h>
terom@7: #include <stdio.h>
terom@7: 
terom@30: struct error_desc _core_error_desc[] = {
terom@31:     {   ERR_CALLOC,                         "calloc",                                   ERR_EXTRA_NONE      },
terom@37:     {   ERR_STRDUP,                         "strdup",                                   ERR_EXTRA_NONE      },
terom@31:     {   ERR_GETADDRINFO,                    "getaddrinfo",                              ERR_EXTRA_GAI       },
terom@31:     {   ERR_GETADDRINFO_EMPTY,              "getaddrinfo: no results",                  ERR_EXTRA_NONE      },
terom@31:     {   ERR_EVENT_NEW,                      "event_new",                                ERR_EXTRA_NONE      },
terom@31:     {   ERR_EVENT_ADD,                      "event_add",                                ERR_EXTRA_NONE      },
terom@31:     {   ERR_EVSQL_NEW_PQ,                   "evsql_new_pq",                             ERR_EXTRA_NONE      },
terom@31:     {   _ERR_INVALID,                       NULL,                                       0                   }
terom@7: 
terom@31: }, _sock_error_desc[] = {
terom@31:     {   ERR_SOCKET,                         "socket",                                   ERR_EXTRA_ERRNO     },
terom@31:     {   ERR_CONNECT,                        "connect",                                  ERR_EXTRA_ERRNO     },
terom@31:     {   ERR_READ,                           "read",                                     ERR_EXTRA_ERRNO     },
terom@31:     {   ERR_READ_EOF,                       "read: EOF",                                ERR_EXTRA_NONE      },
terom@31:     {   ERR_WRITE,                          "write",                                    ERR_EXTRA_ERRNO     },
terom@31:     {   ERR_WRITE_EOF,                      "write: EOF",                               ERR_EXTRA_NONE      },
terom@31:     {   ERR_FCNTL,                          "fcntl",                                    ERR_EXTRA_ERRNO     },
terom@31:     {   ERR_CLOSE,                          "close",                                    ERR_EXTRA_ERRNO     },
terom@31:     {   _ERR_INVALID,                       NULL,                                       0                   }
terom@30: 
terom@31: }, _sock_gnutls_error_desc[] = {
terom@31:     {   ERR_GNUTLS_CERT_ALLOC_CRED,         "gnutls_certificate_allocate_credentials",  ERR_EXTRA_GNUTLS    },
terom@31:     {   ERR_GNUTLS_GLOBAL_INIT,             "gnutls_global_init",                       ERR_EXTRA_GNUTLS    },
terom@31:     {   ERR_GNUTLS_SET_DEFAULT_PRIORITY,    "gnutls_set_default_priority",              ERR_EXTRA_GNUTLS    },
terom@31:     {   ERR_GNUTLS_CRED_SET,                "gnutls_credentials_set",                   ERR_EXTRA_GNUTLS    },
terom@31:     {   ERR_GNUTLS_HANDSHAKE,               "gnutls_handshake",                         ERR_EXTRA_GNUTLS    },
terom@31:     {   ERR_GNUTLS_RECORD_SEND,             "gnutls_record_send",                       ERR_EXTRA_GNUTLS    },
terom@31:     {   ERR_GNUTLS_RECORD_RECV,             "gnutls_record_recv",                       ERR_EXTRA_GNUTLS    },
terom@31:     {   ERR_GNUTLS_RECORD_GET_DIRECTION,    "gnutls_record_get_direction",              ERR_EXTRA_GNUTLS    },
terom@31:     {   _ERR_INVALID,                       NULL,                                       0                   }
terom@31: 
terom@37: }, _irc_proto_error_desc[] = {
terom@37:     {   ERR_LINE_TOO_LONG,                  "IRC line is too long",                     ERR_EXTRA_NONE      },
terom@37:     {   ERR_LINE_INVALID_TOKEN,             "Illegal token value for IRC line",         ERR_EXTRA_NONE      },
terom@37:     {   ERR_INVALID_NM,                     "Invalid nickmask",                         ERR_EXTRA_NONE      },
terom@37:     {   ERR_INVALID_NICK_LENGTH,            "Nickname is too long",                     ERR_EXTRA_NONE      },
terom@37:     {   _ERR_INVALID,                       NULL,                                       0                   }
terom@30: };
terom@30: 
terom@30: /**
terom@30:  * Array of error_desc tables
terom@6:  */
terom@30: static struct error_desc* _desc_tables[] = {
terom@30:     _core_error_desc,
terom@30:     _sock_error_desc,
terom@30:     _sock_gnutls_error_desc,
terom@37:     _irc_proto_error_desc,
terom@30:     NULL
terom@30: };
terom@30: 
terom@30: /**
terom@30:  * Look up the error_desc for the given error code
terom@30:  */
terom@30: static const struct error_desc* error_lookup_desc (err_t code)
terom@30: {
terom@30:     struct error_desc **desc_table, *desc = NULL;
terom@30: 
terom@30:     // iterate over each defined error_desc array
terom@30:     for (desc_table = _desc_tables; desc_table; desc_table++) {
terom@30:         for (desc = *desc_table; desc->code && desc->name; desc++) {
terom@30:             // compare code
terom@30:             if (desc->code == code)
terom@30:                 // found
terom@30:                 return desc;
terom@30:         }
terom@30:     }
terom@30:     
terom@30:     // not found
terom@30:     return NULL;    
terom@30: }
terom@6: 
terom@6: const char *error_name (err_t code)
terom@6: {
terom@30:     const struct error_desc *desc;
terom@30:     
terom@30:     // do we have an error_desc for it?
terom@30:     if ((desc = error_lookup_desc(code)))
terom@30:         return desc->name;
terom@30:     else
terom@30:         // unknown
terom@30:         return "[unknown]";
terom@6: }
terom@6: 
terom@8: const char *error_msg (const struct error_info *err)
terom@7: {
terom@7:     static char msg[ERROR_MSG_MAXLEN];
terom@30:     const struct error_desc *desc;
terom@30:     
terom@30:     // do we have an error_desc for it?
terom@30:     if ((desc = error_lookup_desc(err->code)) == NULL)
terom@30:         // ???
terom@30:         snprintf(msg, ERROR_MSG_MAXLEN, "[%#.8x]: %#.8x", err->code, err->extra);
terom@30:     
terom@30:     else
terom@30:         // intrepret .extra
terom@30:         switch (desc->extra_type) {
terom@30:             case ERR_EXTRA_NONE:
terom@30:                 // no additional info
terom@30:                 snprintf(msg, ERROR_MSG_MAXLEN, "%s", desc->name);
terom@30:                 break;
terom@30:             
terom@30:             case ERR_EXTRA_ERRNO:
terom@30:                 // strerror
terom@30:                 snprintf(msg, ERROR_MSG_MAXLEN, "%s: %s", desc->name, strerror(err->extra));
terom@30:                 break;
terom@30:             
terom@30:             case ERR_EXTRA_GAI:
terom@30:                 // gai_strerror
terom@30:                 snprintf(msg, ERROR_MSG_MAXLEN, "%s: %s", desc->name, gai_strerror(err->extra));
terom@30:                 break;
terom@30:             
terom@30:             case ERR_EXTRA_GNUTLS:
terom@30:                 // gnutls_strerror
terom@30:                 snprintf(msg, ERROR_MSG_MAXLEN, "%s: %s", desc->name, gnutls_strerror(err->extra));
terom@30:                 break;
terom@30:             
terom@30:             default:
terom@30:                 // ???
terom@30:                 snprintf(msg, ERROR_MSG_MAXLEN, "%s: %#.8x", desc->name, err->extra);
terom@30:                 break;
terom@30:         }   
terom@7: 
terom@7:     // return static pointer
terom@7:     return msg;
terom@7: }
terom@7: