author | rubidium |
Thu, 04 Jan 2007 21:21:14 +0000 | |
changeset 5527 | 7a624281971a |
parent 5475 | 2e6990a8c7c4 |
child 5528 | 45a70016d39a |
permissions | -rw-r--r-- |
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/* $Id$ */ |
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#ifdef ENABLE_NETWORK |
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#include "../../stdafx.h" |
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#include "../../macros.h" |
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#include "../../string.h" |
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#include "packet.h" |
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/** |
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* @file packet.h Basic functions to create, fill and read packets. |
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*/ |
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/* Do not want to include functions.h and all required headers */ |
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extern void NORETURN CDECL error(const char *str, ...); |
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/** |
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* Create a packet for sending |
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* @param type the of packet |
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* @return the newly created packet |
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*/ |
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Packet *NetworkSend_Init(PacketType type) |
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{ |
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Packet *packet = malloc(sizeof(Packet)); |
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/* An error is inplace here, because it simply means we ran out of memory. */ |
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if (packet == NULL) error("Failed to allocate Packet"); |
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/* Skip the size so we can write that in before sending the packet */ |
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packet->size = sizeof(packet->size); |
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packet->buffer[packet->size++] = type; |
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packet->pos = 0; |
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return packet; |
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} |
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/** |
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* Writes the packet size from the raw packet from packet->size |
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* @param packet the packet to write the size of |
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*/ |
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void NetworkSend_FillPacketSize(Packet *packet) |
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{ |
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packet->buffer[0] = GB(packet->size, 0, 8); |
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packet->buffer[1] = GB(packet->size, 8, 8); |
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} |
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/** |
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* The next couple of functions make sure we can send |
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* uint8, uint16, uint32 and uint64 endian-safe |
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* over the network. The least significant bytes are |
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* sent first. |
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* |
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* So 0x01234567 would be sent as 67 45 23 01. |
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*/ |
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void NetworkSend_uint8(Packet *packet, uint8 data) |
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{ |
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assert(packet->size < sizeof(packet->buffer) - sizeof(data)); |
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packet->buffer[packet->size++] = data; |
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} |
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|
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void NetworkSend_uint16(Packet *packet, uint16 data) |
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{ |
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assert(packet->size < sizeof(packet->buffer) - sizeof(data)); |
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packet->buffer[packet->size++] = GB(data, 0, 8); |
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packet->buffer[packet->size++] = GB(data, 8, 8); |
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} |
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void NetworkSend_uint32(Packet *packet, uint32 data) |
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{ |
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assert(packet->size < sizeof(packet->buffer) - sizeof(data)); |
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packet->buffer[packet->size++] = GB(data, 0, 8); |
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packet->buffer[packet->size++] = GB(data, 8, 8); |
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packet->buffer[packet->size++] = GB(data, 16, 8); |
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packet->buffer[packet->size++] = GB(data, 24, 8); |
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} |
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void NetworkSend_uint64(Packet *packet, uint64 data) |
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{ |
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assert(packet->size < sizeof(packet->buffer) - sizeof(data)); |
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packet->buffer[packet->size++] = GB(data, 0, 8); |
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packet->buffer[packet->size++] = GB(data, 8, 8); |
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packet->buffer[packet->size++] = GB(data, 16, 8); |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
86 |
packet->buffer[packet->size++] = GB(data, 24, 8); |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
87 |
packet->buffer[packet->size++] = GB(data, 32, 8); |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
88 |
packet->buffer[packet->size++] = GB(data, 40, 8); |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
89 |
packet->buffer[packet->size++] = GB(data, 48, 8); |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
90 |
packet->buffer[packet->size++] = GB(data, 56, 8); |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
91 |
} |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
92 |
|
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
93 |
/** |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
94 |
* Sends a string over the network. It sends out |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
95 |
* the string + '\0'. No size-byte or something. |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
96 |
*/ |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
97 |
void NetworkSend_string(Packet *packet, const char* data) |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
98 |
{ |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
99 |
assert(data != NULL); |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
100 |
assert(packet->size < sizeof(packet->buffer) - strlen(data) - 1); |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
101 |
while ((packet->buffer[packet->size++] = *data++) != '\0') {} |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
102 |
} |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
103 |
|
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
104 |
|
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
105 |
/** |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
106 |
* Receiving commands |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
107 |
* Again, the next couple of functions are endian-safe |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
108 |
* see the comment before NetworkSend_uint8 for more info. |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
109 |
*/ |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
110 |
|
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
111 |
|
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
112 |
extern uint CloseConnection(NetworkClientState *cs); |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
113 |
|
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
114 |
/** Is it safe to read from the packet, i.e. didn't we run over the buffer ? */ |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
115 |
static inline bool CanReadFromPacket(NetworkClientState *cs, Packet *packet, uint bytes_to_read) |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
116 |
{ |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
117 |
/* Don't allow reading from a closed socket */ |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
118 |
if (HasClientQuit(cs)) return false; |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
119 |
|
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
120 |
/* Check if variable is within packet-size */ |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
121 |
if (packet->pos + bytes_to_read > packet->size) { |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
122 |
CloseConnection(cs); |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
123 |
return false; |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
124 |
} |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
125 |
|
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
126 |
return true; |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
127 |
} |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
128 |
|
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
129 |
/** |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
130 |
* Reads the packet size from the raw packet and stores it in the packet->size |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
131 |
* @param packet the packet to read the size of |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
132 |
*/ |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
133 |
void NetworkRecv_ReadPacketSize(Packet *packet) |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
134 |
{ |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
135 |
packet->size = (uint16)packet->buffer[0]; |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
136 |
packet->size += (uint16)packet->buffer[1] << 8; |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
137 |
} |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
138 |
|
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
139 |
uint8 NetworkRecv_uint8(NetworkClientState *cs, Packet *packet) |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
140 |
{ |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
141 |
uint8 n; |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
142 |
|
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
143 |
if (!CanReadFromPacket(cs, packet, sizeof(n))) return 0; |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
144 |
|
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
145 |
n = packet->buffer[packet->pos++]; |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
146 |
return n; |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
147 |
} |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
148 |
|
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
149 |
uint16 NetworkRecv_uint16(NetworkClientState *cs, Packet *packet) |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
150 |
{ |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
151 |
uint16 n; |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
152 |
|
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
153 |
if (!CanReadFromPacket(cs, packet, sizeof(n))) return 0; |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
154 |
|
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
155 |
n = (uint16)packet->buffer[packet->pos++]; |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
156 |
n += (uint16)packet->buffer[packet->pos++] << 8; |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
157 |
return n; |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
158 |
} |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
159 |
|
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
160 |
uint32 NetworkRecv_uint32(NetworkClientState *cs, Packet *packet) |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
161 |
{ |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
162 |
uint32 n; |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
163 |
|
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
164 |
if (!CanReadFromPacket(cs, packet, sizeof(n))) return 0; |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
165 |
|
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
166 |
n = (uint32)packet->buffer[packet->pos++]; |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
167 |
n += (uint32)packet->buffer[packet->pos++] << 8; |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
168 |
n += (uint32)packet->buffer[packet->pos++] << 16; |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
169 |
n += (uint32)packet->buffer[packet->pos++] << 24; |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
170 |
return n; |
7edfc643abbc
(svn r7751) -Codechange: move network_* to a new network map. Furthermore move the low level network functions to network/core, so they can be reused by the masterserver and website-serverlist-updater.
rubidium
parents:
diff
changeset
|
171 |
} |
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172 |
|
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173 |
uint64 NetworkRecv_uint64(NetworkClientState *cs, Packet *packet) |
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174 |
{ |
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175 |
uint64 n; |
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176 |
|
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if (!CanReadFromPacket(cs, packet, sizeof(n))) return 0; |
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178 |
|
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n = (uint64)packet->buffer[packet->pos++]; |
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180 |
n += (uint64)packet->buffer[packet->pos++] << 8; |
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181 |
n += (uint64)packet->buffer[packet->pos++] << 16; |
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n += (uint64)packet->buffer[packet->pos++] << 24; |
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183 |
n += (uint64)packet->buffer[packet->pos++] << 32; |
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184 |
n += (uint64)packet->buffer[packet->pos++] << 40; |
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185 |
n += (uint64)packet->buffer[packet->pos++] << 48; |
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n += (uint64)packet->buffer[packet->pos++] << 56; |
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187 |
return n; |
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188 |
} |
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189 |
|
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190 |
/** Reads a string till it finds a '\0' in the stream */ |
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191 |
void NetworkRecv_string(NetworkClientState *cs, Packet *p, char *buffer, size_t size) |
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192 |
{ |
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193 |
PacketSize pos; |
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194 |
char *bufp = buffer; |
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195 |
|
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196 |
/* Don't allow reading from a closed socket */ |
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197 |
if (HasClientQuit(cs)) return; |
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198 |
|
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199 |
pos = p->pos; |
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200 |
while (--size > 0 && pos < p->size && (*buffer++ = p->buffer[pos++]) != '\0') {} |
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201 |
|
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202 |
if (size == 0 || pos == p->size) { |
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203 |
*buffer = '\0'; |
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204 |
/* If size was sooner to zero then the string in the stream |
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205 |
* skip till the \0, so than packet can be read out correctly for the rest */ |
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206 |
while (pos < p->size && p->buffer[pos] != '\0') pos++; |
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207 |
pos++; |
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208 |
} |
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209 |
p->pos = pos; |
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210 |
|
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211 |
str_validate(bufp); |
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212 |
} |
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213 |
|
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214 |
#endif /* ENABLE_NETWORK */ |