plugins/palm/request.c

   1 /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2
   3 /*  Monkey HTTP Daemon
   4  *  ------------------
   5  *  Copyright (C) 2001-2010, Eduardo Silva P.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU Library General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, write to the Free Software
  19  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  20  */
  21
  22 #include <pthread.h>
  23 #include <stdio.h>
  24
  25 #include "config.h"
  26 #include "plugin.h"
  27 #include "monkey.h"
  28 #include "palm.h"
  29
  30 struct mk_palm_request *mk_palm_request_create(int client_fd,
  31                                                int palm_fd,
  32                                                struct client_request *cr,
  33                                                struct request *sr,
  34                                                struct mk_palm *palm)
  35 {
  36     struct mk_palm_request *new;
  37
  38     new = mk_api->mem_alloc(sizeof(struct mk_palm_request));
  39     new->client_fd = client_fd;
  40     new->palm_fd = palm_fd;
  41     new->palm = palm;
  42     new->bytes_sent = 0;
  43     new->bytes_read = 0;
  44     new->headers_sent = VAR_OFF;
  45     new->cr = cr;
  46     new->sr = sr;
  47     new->next = NULL;
  48
  49     return new;
  50 }
  51
  52 void mk_palm_request_add(struct mk_palm_request *pr)
  53 {
  54     struct mk_palm_request *pr_list, *aux;
  55
  56     /* Get thread data */
  57     pr_list = pthread_getspecific(_mkp_data);
  58
  59     /* No connection previously was found */
  60     if(!pr_list) {
  61         pthread_setspecific(_mkp_data, pr);
  62         return;
  63     }
  64
  65     /* Add Node */
  66     aux = pr_list;
  67     while(aux->next){
  68         aux = aux->next;
  69     }
  70
  71     aux->next = pr;
  72     pthread_setspecific(_mkp_data, pr_list);
  73 }
  74
  75 /* It register the request and connection data, if it doesn't
  76  * exists it will be create it, otherwise will return the pointer
  77  * to the mk_palm_request struct node
  78  */
  79 struct mk_palm_request *mk_palm_request_get(int socket)
  80 {
  81     struct mk_palm_request *pr, *aux;
  82
  83     /* Get thread data */
  84     pr = pthread_getspecific(_mkp_data);
  85
  86     /* No connection previously was found */
  87     if(!pr) {
  88         return NULL;
  89     }
  90
  91     /* Look for node */
  92     aux = pr;
  93     while(aux){
  94         if(aux->palm_fd == socket){
  95             return aux;
  96         }
  97         aux = aux->next;
  98     }
  99
 100     return NULL;
 101 }
 102
 103 struct mk_palm_request *mk_palm_request_get_by_http(int socket)
 104 {
 105     struct mk_palm_request *pr, *aux;
 106
 107     /* Get thread data */
 108     pr = pthread_getspecific(_mkp_data);
 109
 110     /* No connection previously was found */
 111     if(!pr) {
 112         return NULL;
 113     }
 114
 115     /* Look for node */
 116     aux = pr;
 117     while(aux){
 118         if(aux->client_fd == socket){
 119             return aux;
 120         }
 121         aux = aux->next;
 122     }
 123
 124     return NULL;
 125 }
 126
 127 void mk_palm_request_update(int socket, struct mk_palm_request  *pr)
 128 {
 129     struct mk_palm_request *aux, *list;
 130
 131     list = pthread_getspecific(_mkp_data);
 132
 133     if (!list) {
 134         return;
 135     }
 136
 137     aux = list;
 138     while (aux) {
 139         if (aux->palm_fd == socket) {
 140             aux->bytes_sent = pr->bytes_sent;
 141             aux->bytes_read = pr->bytes_read;
 142             aux->headers_sent = pr->headers_sent;
 143
 144             /* Update data */
 145             pthread_setspecific(_mkp_data, list);
 146             return;
 147         }
 148         aux = aux->next;
 149     }
 150 }
 151
 152 void mk_palm_request_delete(int socket)
 153 {
 154     struct mk_palm_request *aux, *prev, *list;
 155
 156     list = pthread_getspecific(_mkp_data);
 157
 158     if (!list) {
 159         return;
 160     }
 161
 162     aux = list;
 163     while(aux) {
 164         if (aux->palm_fd == socket) {
 165             /* first node */
 166             if (aux == list) {
 167                 list = aux->next;
 168             }
 169             else {
 170                 prev = list;
 171                 while(prev->next != aux) {
 172                     prev = prev->next;
 173                 }
 174                 prev->next = aux->next;
 175             }
 176             mk_api->mem_free(aux);
 177             pthread_setspecific(_mkp_data, list);
 178             return;
 179         }
 180         aux = aux->next;
 181     }
 182 }
 183
 184 void mk_palm_free_request(int sockfd)
 185 {
 186     /* get palm request node */
 187     mk_palm_request_get(sockfd);
 188     /* delete palm request node */
 189     mk_palm_request_delete(sockfd);
 190     mk_api->socket_close(sockfd);
 191 }