Crossfire Server, Trunk
image.cpp
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1 /*
2  * Crossfire -- cooperative multi-player graphical RPG and adventure game
3  *
4  * Copyright (c) 1999-2014 Mark Wedel and the Crossfire Development Team
5  * Copyright (c) 1992 Frank Tore Johansen
6  *
7  * Crossfire is free software and comes with ABSOLUTELY NO WARRANTY. You are
8  * welcome to redistribute it under certain conditions. For details, please
9  * see COPYING and LICENSE.
10  *
11  * The authors can be reached via e-mail at <crossfire@metalforge.org>.
12  */
13 
25 #include "global.h"
26 
27 #include <stdlib.h>
28 #include <string.h>
29 
30 #include "image.h"
31 #include "newserver.h"
32 #include "shared/newclient.h"
33 #include "sproto.h"
34 #include "assets.h"
35 #include "AssetsManager.h"
36 
45 void send_face_cmd(char *buff, int len, socket_struct *ns) {
46  long tmpnum;
47  uint16_t faceid;
48 
49  if (len <= 0 || !buff) {
50  LOG(llevDebug, "IP '%s' sent bogus send_face_cmd information\n", ns->host);
51  return;
52  }
53 
54  tmpnum = atoi(buff);
55  faceid = tmpnum&0xffff;
56 
57  if (faceid != 0)
58  esrv_send_face(ns, get_face_by_id(faceid), 1);
59 }
60 
72 void esrv_send_face(socket_struct *ns, const Face *face, int nocache) {
73  SockList sl;
74 
75  if (face == NULL) {
76  LOG(llevError, "esrv_send_face NULL??\n");
77  return;
78  }
79 
80  SockList_Init(&sl);
82 
83  if (!fs || fs->faces[face->number].data == NULL) {
84  LOG(llevError, "esrv_send_face: faces[%d].data == NULL\n", face->number);
85  return;
86  }
87 
88  if (ns->facecache && !nocache) {
89  SockList_AddString(&sl, "face2 ");
90  SockList_AddShort(&sl, face->number);
91  SockList_AddChar(&sl, fs->id);
92  SockList_AddInt(&sl, fs->faces[face->number].checksum);
93  SockList_AddString(&sl, face->name);
94  Send_With_Handling(ns, &sl);
95  } else {
96  SockList_AddString(&sl, "image2 ");
97  SockList_AddInt(&sl, face->number);
98  SockList_AddChar(&sl, fs->id);
99  SockList_AddInt(&sl, fs->faces[face->number].datalen);
100  SockList_AddData(&sl, fs->faces[face->number].data, fs->faces[face->number].datalen);
101  Send_With_Handling(ns, &sl);
102  }
103  ns->faces_sent[face->number] |= NS_FACESENT_FACE;
104  SockList_Term(&sl);
105 }
106 
114  SockList sl;
115 
116  SockList_Init(&sl);
117 
118  SockList_AddPrintf(&sl, "replyinfo image_info\n%d\n%d\n", get_faces_count()-1, getManager()->faces()->checksum());
119  getManager()->facesets()->each([&sl] (const face_sets *fs) {
120  SockList_AddPrintf(&sl, "%d:%s:%s:%d:%s:%s:%s\n",
121  fs->id, fs->prefix, fs->fullname,
122  fs->fallback ? fs->fallback->id : 0, fs->size,
123  fs->extension, fs->comment);
124  });
125  Send_With_Handling(ns, &sl);
126  SockList_Term(&sl);
127 }
128 
139  unsigned int start, stop;
140  unsigned short i;
141  char *cp;
142  SockList sl;
143 
144  // Sanity check:
145  // If no params, bail out with an error.
146  // Otherwise, a rogue client could produce a segfault by supplying "requestinfo image_sums" without parameters.
147  if (params == NULL) {
148  LOG(llevError, "send_image_sums: bogus \"requestinfo image_sums\": no range provided.\n");
149  return;
150  }
151 
152  SockList_Init(&sl);
153 
154  start = atoi(params);
155  for (cp = params; *cp != '\0'; cp++)
156  if (*cp == ' ')
157  break;
158 
159  stop = atoi(cp);
160  if (stop < start
161  || *cp == '\0'
162  || (stop-start) > 1000
163  || stop >= get_faces_count()) {
164  SockList_AddPrintf(&sl, "replyinfo image_sums %d %d", start, stop);
165  Send_With_Handling(ns, &sl);
166  SockList_Term(&sl);
167  return;
168  }
169  SockList_AddPrintf(&sl, "replyinfo image_sums %d %d ", start, stop);
170 
171  for (i = start; i <= stop; i++) {
172  const Face *face = get_face_by_id(i);
173 
174  if (SockList_Avail(&sl) < 2+4+1+1+strlen(face->name)+1) {
175  LOG(llevError, "send_image_sums: buffer overflow, rejecting range %d..%d\n", start, stop);
176  SockList_Reset(&sl);
177  SockList_AddPrintf(&sl, "replyinfo image_sums %d %d", start, stop);
178  Send_With_Handling(ns, &sl);
179  SockList_Term(&sl);
180  return;
181  }
182 
183  SockList_AddShort(&sl, i);
184  ns->faces_sent[face->number] |= NS_FACESENT_FACE;
185 
187  SockList_AddInt(&sl, fs->faces[i].checksum);
188  SockList_AddChar(&sl, fs->id);
189  SockList_AddLen8Data(&sl, face->name, strlen(face->name)+1);
190  }
191  Send_With_Handling(ns, &sl);
192  SockList_Term(&sl);
193 }
Face::name
sstring name
Definition: face.h:19
Face
Definition: face.h:14
SockList_AddInt
void SockList_AddInt(SockList *sl, uint32_t data)
Definition: lowlevel.cpp:124
global.h
NS_FACESENT_FACE
#define NS_FACESENT_FACE
Definition: newserver.h:137
llevError
@ llevError
Definition: logger.h:11
LOG
void LOG(LogLevel logLevel, const char *format,...)
Definition: logger.cpp:51
AssetsManager.h
socket_struct
Definition: newserver.h:89
get_face_fallback
int get_face_fallback(int faceset, uint16_t imageno)
Definition: image.cpp:133
SockList_AddString
void SockList_AddString(SockList *sl, const char *data)
Definition: lowlevel.cpp:154
esrv_send_face
void esrv_send_face(socket_struct *ns, const Face *face, int nocache)
Definition: image.cpp:72
find_faceset
face_sets * find_faceset(int id)
Definition: assets.cpp:328
checksum
static unsigned checksum(const mtar_raw_header_t *rh)
Definition: microtar.cpp:49
face_sets::id
int id
Definition: image.h:18
SockList_Reset
void SockList_Reset(SockList *sl)
Definition: lowlevel.cpp:71
getManager
AssetsManager * getManager()
Definition: assets.cpp:305
face_sets::prefix
char * prefix
Definition: image.h:19
send_face_cmd
void send_face_cmd(char *buff, int len, socket_struct *ns)
Definition: image.cpp:45
face_sets::extension
char * extension
Definition: image.h:23
SockList_Avail
size_t SockList_Avail(const SockList *sl)
Definition: lowlevel.cpp:243
socket_struct::facecache
uint32_t facecache
Definition: newserver.h:102
Face::number
uint16_t number
Definition: face.h:15
SockList_AddShort
void SockList_AddShort(SockList *sl, uint16_t data)
Definition: lowlevel.cpp:113
SockList_AddChar
void SockList_AddChar(SockList *sl, unsigned char c)
Definition: lowlevel.cpp:103
face_sets::comment
char * comment
Definition: image.h:24
socket_struct::host
char * host
Definition: newserver.h:100
face_info::data
uint8_t * data
Definition: image.h:11
socket_struct::faceset
uint8_t faceset
Definition: newserver.h:117
face_sets::size
char * size
Definition: image.h:22
sproto.h
AssetsCollection::each
void each(std::function< void(T *)> op)
Definition: AssetsCollection.h:158
get_face_by_id
const Face * get_face_by_id(uint16_t id)
Definition: assets.cpp:315
AssetsManager::facesets
Facesets * facesets()
Definition: AssetsManager.h:65
SockList_Init
void SockList_Init(SockList *sl)
Definition: lowlevel.cpp:52
image.h
face_sets::fallback
struct face_sets * fallback
Definition: image.h:21
send_image_info
void send_image_info(socket_struct *ns)
Definition: image.cpp:113
SockList_Term
void SockList_Term(SockList *sl)
Definition: lowlevel.cpp:62
send_image_sums
void send_image_sums(socket_struct *ns, char *params)
Definition: image.cpp:138
SockList_AddData
void SockList_AddData(SockList *sl, const void *data, size_t len)
Definition: lowlevel.cpp:164
roll-o-matic.stop
def stop()
Definition: roll-o-matic.py:78
newserver.h
SockList_AddLen8Data
void SockList_AddLen8Data(SockList *sl, const void *data, size_t len)
Definition: lowlevel.cpp:176
roll-o-matic.params
params
Definition: roll-o-matic.py:193
assets.h
face_info::datalen
uint16_t datalen
Definition: image.h:12
face_info::checksum
uint32_t checksum
Definition: image.h:13
dragon_attune.faces
dictionary faces
Definition: dragon_attune.py:31
socket_struct::faces_sent
uint8_t * faces_sent
Definition: newserver.h:96
newclient.h
face_sets::fullname
char * fullname
Definition: image.h:20
get_faces_count
size_t get_faces_count()
Definition: assets.cpp:293
face_sets
Definition: image.h:17
Send_With_Handling
void Send_With_Handling(socket_struct *ns, SockList *sl)
Definition: lowlevel.cpp:444
face_sets::faces
face_info * faces
Definition: image.h:26
SockList
Definition: newclient.h:681
llevDebug
@ llevDebug
Definition: logger.h:13
SockList_AddPrintf
void SockList_AddPrintf(SockList *sl, const char *format,...)
Definition: lowlevel.cpp:199