author | rubidium |
Tue, 02 Jan 2007 19:19:48 +0000 | |
changeset 5475 | 2e6990a8c7c4 |
parent 5469 | network/core/tcp.c@7edfc643abbc |
child 5527 | 7a624281971a |
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 "../../debug.h" |
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#include "../../openttd.h" |
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#include "../../variables.h" |
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#include "table/strings.h" |
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#include "../../functions.h" |
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#include "os_abstraction.h" |
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#include "config.h" |
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#include "packet.h" |
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#include "../network_data.h" |
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#include "tcp.h" |
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/** |
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* @file tcp.c Basic functions to receive and send TCP packets. |
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*/ |
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|
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/** |
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* Functions to help NetworkRecv_Packet/NetworkSend_Packet a bit |
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* A socket can make errors. When that happens this handles what to do. |
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* For clients: close connection and drop back to main-menu |
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* For servers: close connection and that is it |
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* @param cs the client to close the connection of |
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* @return the new status |
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*/ |
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NetworkRecvStatus CloseConnection(NetworkClientState *cs) |
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{ |
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NetworkCloseClient(cs); |
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|
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/* Clients drop back to the main menu */ |
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if (!_network_server && _networking) { |
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_switch_mode = SM_MENU; |
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_networking = false; |
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_switch_mode_errorstr = STR_NETWORK_ERR_LOSTCONNECTION; |
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|
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return NETWORK_RECV_STATUS_CONN_LOST; |
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} |
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return NETWORK_RECV_STATUS_OKAY; |
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} |
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/** |
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* Whether the client has quit or not (used in packet.c) |
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* @param cs the client to check |
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* @return true if the client has quit |
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*/ |
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bool HasClientQuit(NetworkClientState *cs) |
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{ |
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return cs->has_quit; |
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} |
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/** |
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* This function puts the packet in the send-queue and it is send as |
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* soon as possible. This is the next tick, or maybe one tick later |
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* if the OS-network-buffer is full) |
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* @param packet the packet to send |
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* @param cs the client to send to |
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*/ |
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void NetworkSend_Packet(Packet *packet, NetworkClientState *cs) |
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{ |
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Packet *p; |
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assert(packet != NULL); |
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packet->pos = 0; |
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packet->next = NULL; |
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|
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NetworkSend_FillPacketSize(packet); |
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|
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/* Locate last packet buffered for the client */ |
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p = cs->packet_queue; |
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if (p == NULL) { |
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/* No packets yet */ |
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cs->packet_queue = packet; |
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} else { |
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/* Skip to the last packet */ |
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while (p->next != NULL) p = p->next; |
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p->next = packet; |
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} |
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} |
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|
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/** |
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* Sends all the buffered packets out for this client. It stops when: |
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|
87 |
* 1) all packets are send (queue is empty) |
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 |
* 2) the OS reports back that it can not send any more |
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 |
* data right now (full network-buffer, it happens ;)) |
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 |
* 3) sending took too long |
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 |
* @param cs the client to send the packets for |
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 |
bool NetworkSend_Packets(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
|
94 |
{ |
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 |
ssize_t res; |
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 |
Packet *p; |
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 |
|
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 |
/* We can not write to this 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
|
99 |
if (!cs->writable) 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
|
100 |
if (cs->socket == INVALID_SOCKET) 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
|
101 |
|
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 |
p = cs->packet_queue; |
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 |
while (p != 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
|
104 |
res = send(cs->socket, p->buffer + p->pos, p->size - p->pos, 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
|
105 |
if (res == -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
|
106 |
int err = GET_LAST_ERROR(); |
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 |
if (err != EWOULDBLOCK) { |
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 |
/* Something went wrong.. close client! */ |
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 |
DEBUG(net, 0, "send failed with error %d", err); |
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 |
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
|
111 |
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
|
112 |
} |
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 |
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
|
114 |
} |
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 |
if (res == 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
|
116 |
/* Client/server has left us :( */ |
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 |
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
|
118 |
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 |
|
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 |
p->pos += res; |
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 |
|
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 |
/* Is this packet sent? */ |
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 |
if (p->pos == p->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
|
125 |
/* Go to the next 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
|
126 |
cs->packet_queue = p->next; |
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 |
free(p); |
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 |
p = cs->packet_queue; |
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 |
} else { |
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 |
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
|
131 |
} |
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 |
|
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 |
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
|
135 |
} |
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 |
|
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 |
* Receives a packet for the given client |
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 |
* @param cs the client to (try to) receive a packet for |
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 |
* @param status the variable to store the status into |
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 |
* @return the received packet (or NULL when it didn't receive one) |
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 |
Packet *NetworkRecv_Packet(NetworkClientState *cs, NetworkRecvStatus *status) |
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 |
ssize_t res; |
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 |
Packet *p; |
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 |
*status = NETWORK_RECV_STATUS_OKAY; |
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 |
|
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 |
if (cs->socket == INVALID_SOCKET) return 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
|
151 |
|
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 |
if (cs->packet_recv == 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
|
153 |
cs->packet_recv = malloc(sizeof(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
|
154 |
if (cs->packet_recv == NULL) error("Failed to allocate 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
|
155 |
/* Set pos to zero! */ |
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 |
cs->packet_recv->pos = 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
|
157 |
cs->packet_recv->size = 0; // Can be ommited, just for safety reasons |
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 |
p = cs->packet_recv; |
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 |
/* 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
|
163 |
if (p->pos < sizeof(PacketSize)) { |
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 |
while (p->pos < sizeof(PacketSize)) { |
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 |
/* Read the size of the 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
|
166 |
res = recv(cs->socket, p->buffer + p->pos, sizeof(PacketSize) - p->pos, 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
|
167 |
if (res == -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
|
168 |
int err = GET_LAST_ERROR(); |
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 |
if (err != EWOULDBLOCK) { |
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 |
/* Something went wrong... (104 is connection reset by peer) */ |
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 |
if (err != 104) DEBUG(net, 0, "recv failed with error %d", err); |
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
|
172 |
*status = 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
|
173 |
return 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.
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|
174 |
} |
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.
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175 |
/* Connection would block, so stop for now */ |
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.
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|
176 |
return NULL; |
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(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.
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|
177 |
} |
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.
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|
178 |
if (res == 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.
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|
179 |
/* Client/server has left */ |
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180 |
*status = CloseConnection(cs); |
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(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.
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|
181 |
return NULL; |
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(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.
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|
182 |
} |
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.
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|
183 |
p->pos += res; |
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.
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|
184 |
} |
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.
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|
185 |
|
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.
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|
186 |
NetworkRecv_ReadPacketSize(p); |
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.
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parents:
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|
187 |
|
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.
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|
188 |
if (p->size > SEND_MTU) { |
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.
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|
189 |
*status = 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.
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|
190 |
return 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
|
191 |
} |
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.
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parents:
diff
changeset
|
192 |
} |
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
|
193 |
|
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.
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|
194 |
/* Read rest of 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.
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changeset
|
195 |
while (p->pos < p->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.
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parents:
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|
196 |
res = recv(cs->socket, p->buffer + p->pos, p->size - p->pos, 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.
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parents:
diff
changeset
|
197 |
if (res == -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.
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|
198 |
int err = GET_LAST_ERROR(); |
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
|
199 |
if (err != EWOULDBLOCK) { |
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
|
200 |
/* Something went wrong... (104 is connection reset by peer) */ |
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
|
201 |
if (err != 104) DEBUG(net, 0, "recv failed with error %d", err); |
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
|
202 |
*status = 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
|
203 |
return 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
|
204 |
} |
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
|
205 |
/* Connection would block */ |
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
|
206 |
return 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
|
207 |
} |
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
|
208 |
if (res == 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
|
209 |
/* Client/server has left */ |
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
|
210 |
*status = 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
|
211 |
return 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
|
212 |
} |
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
|
213 |
|
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
|
214 |
p->pos += res; |
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
|
215 |
} |
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
|
216 |
|
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
|
217 |
/* We have a complete packet, return it! */ |
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
|
218 |
p->pos = 2; |
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
|
219 |
p->next = NULL; // Should not be needed, but who knows... |
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
|
220 |
|
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
|
221 |
/* Prepare for receiving a new 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
|
222 |
cs->packet_recv = 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
|
223 |
|
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
|
224 |
return p; |
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
|
225 |
} |
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
|
226 |
|
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
|
227 |
#endif /* ENABLE_NETWORK */ |