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-rw-r--r--projects/openttd_vs80.vcproj8
-rw-r--r--projects/openttd_vs90.vcproj8
-rw-r--r--source.list2
-rw-r--r--src/network/core/host.cpp247
-rw-r--r--src/network/core/host.h12
-rw-r--r--src/network/network.cpp224
-rw-r--r--src/network/network_internal.h1
-rw-r--r--src/network/network_udp.cpp1
8 files changed, 280 insertions, 223 deletions
diff --git a/projects/openttd_vs80.vcproj b/projects/openttd_vs80.vcproj
index b19198b2d..c336651bf 100644
--- a/projects/openttd_vs80.vcproj
+++ b/projects/openttd_vs80.vcproj
@@ -2452,6 +2452,14 @@
>
</File>
<File
+ RelativePath=".\..\src\network\core\host.cpp"
+ >
+ </File>
+ <File
+ RelativePath=".\..\src\network\core\host.h"
+ >
+ </File>
+ <File
RelativePath=".\..\src\network\core\os_abstraction.h"
>
</File>
diff --git a/projects/openttd_vs90.vcproj b/projects/openttd_vs90.vcproj
index 3523d11dc..fe4b382da 100644
--- a/projects/openttd_vs90.vcproj
+++ b/projects/openttd_vs90.vcproj
@@ -2449,6 +2449,14 @@
>
</File>
<File
+ RelativePath=".\..\src\network\core\host.cpp"
+ >
+ </File>
+ <File
+ RelativePath=".\..\src\network\core\host.h"
+ >
+ </File>
+ <File
RelativePath=".\..\src\network\core\os_abstraction.h"
>
</File>
diff --git a/source.list b/source.list
index a46e52a1e..a20900f38 100644
--- a/source.list
+++ b/source.list
@@ -566,6 +566,8 @@ network/core/config.h
network/core/core.cpp
network/core/core.h
network/core/game.h
+network/core/host.cpp
+network/core/host.h
network/core/os_abstraction.h
network/core/packet.cpp
network/core/packet.h
diff --git a/src/network/core/host.cpp b/src/network/core/host.cpp
new file mode 100644
index 000000000..e1469e069
--- /dev/null
+++ b/src/network/core/host.cpp
@@ -0,0 +1,247 @@
+/* $Id$ */
+
+/** @file host.cpp Functions related to getting host specific data (IPs). */
+
+#ifdef ENABLE_NETWORK
+
+#include "../../stdafx.h"
+#include "../../debug.h"
+#include "os_abstraction.h"
+
+/**
+ * Internal implementation for finding the broadcast IPs.
+ * This function is implemented multiple times for multiple targets.
+ * @param broadcast the list of broadcasts to write into.
+ * @param limit the maximum number of items to add.
+ */
+static int NetworkFindBroadcastIPsInternal(uint32 *broadcast, int limit);
+
+#if defined(PSP)
+static int NetworkFindBroadcastIPsInternal(uint32 *broadcast, int limit) // PSP implementation
+{
+ return 0;
+}
+
+#elif defined(BEOS_NET_SERVER) /* doesn't have neither getifaddrs or net/if.h */
+/* Based on Andrew Bachmann's netstat+.c. Big thanks to him! */
+int _netstat(int fd, char **output, int verbose);
+
+int seek_past_header(char **pos, const char *header)
+{
+ char *new_pos = strstr(*pos, header);
+ if (new_pos == 0) {
+ return B_ERROR;
+ }
+ *pos += strlen(header) + new_pos - *pos + 1;
+ return B_OK;
+}
+
+static int NetworkFindBroadcastIPsInternal(uint32 *broadcast, int limit) // BEOS implementation
+{
+ int sock = socket(AF_INET, SOCK_DGRAM, 0);
+
+ if (sock < 0) {
+ DEBUG(net, 0, "[core] error creating socket");
+ return;
+ }
+
+ char *output_pointer = NULL;
+ int output_length = _netstat(sock, &output_pointer, 1);
+ if (output_length < 0) {
+ DEBUG(net, 0, "[core] error running _netstat");
+ return;
+ }
+
+ int index;
+ char **output = &output_pointer;
+ if (seek_past_header(output, "IP Interfaces:") == B_OK) {
+ while (index != limit) {
+
+ uint32 n, fields, read;
+ uint8 i1, i2, i3, i4, j1, j2, j3, j4;
+ struct in_addr inaddr;
+ uint32 ip;
+ uint32 netmask;
+
+ fields = sscanf(*output, "%u: %hhu.%hhu.%hhu.%hhu, netmask %hhu.%hhu.%hhu.%hhu%n",
+ &n, &i1, &i2, &i3, &i4, &j1, &j2, &j3, &j4, &read);
+ read += 1;
+ if (fields != 9) {
+ break;
+ }
+
+ ip = (uint32)i1 << 24 | (uint32)i2 << 16 | (uint32)i3 << 8 | (uint32)i4;
+ netmask = (uint32)j1 << 24 | (uint32)j2 << 16 | (uint32)j3 << 8 | (uint32)j4;
+
+ if (ip != INADDR_LOOPBACK && ip != INADDR_ANY) {
+ inaddr.s_addr = htonl(ip | ~netmask);
+ broadcast[index] = inaddr.s_addr;
+ index++;
+ }
+ if (read < 0) {
+ break;
+ }
+ *output += read;
+ }
+ closesocket(sock);
+ }
+
+ return index;
+}
+
+#elif defined(HAVE_GETIFADDRS)
+static int NetworkFindBroadcastIPsInternal(uint32 *broadcast, int limit) // GETIFADDRS implementation
+{
+ struct ifaddrs *ifap, *ifa;
+
+ if (getifaddrs(&ifap) != 0) return 0;
+
+ int index = 0;
+ for (ifa = ifap; ifa != NULL && index != limit; ifa = ifa->ifa_next) {
+ if (!(ifa->ifa_flags & IFF_BROADCAST)) continue;
+ if (ifa->ifa_broadaddr == NULL) continue;
+ if (ifa->ifa_broadaddr->sa_family != AF_INET) continue;
+
+ broadcast[index] = ((struct sockaddr_in*)ifa->ifa_broadaddr)->sin_addr.s_addr;
+ index++;
+ }
+ freeifaddrs(ifap);
+
+ return index;
+}
+
+#elif defined(WIN32)
+static int NetworkFindBroadcastIPsInternal(uint32 *broadcast, int limit) // Win32 implementation
+{
+ SOCKET sock = socket(AF_INET, SOCK_DGRAM, 0);
+ if (sock == INVALID_SOCKET) return 0;
+
+ DWORD len = 0;
+ INTERFACE_INFO ifo[MAX_INTERFACES];
+ memset(&ifo[0], 0, sizeof(ifo));
+ if ((WSAIoctl(sock, SIO_GET_INTERFACE_LIST, NULL, 0, &ifo[0], sizeof(ifo), &len, NULL, NULL)) != 0) {
+ closesocket(sock);
+ return;
+ }
+
+ int index = 0;
+ for (int j = 0; j < len / sizeof(*ifo) && index != limit; j++) {
+ if (ifo[j].iiFlags & IFF_LOOPBACK) continue;
+ if (!(ifo[j].iiFlags & IFF_BROADCAST)) continue;
+
+ /* iiBroadcast is unusable, because it always seems to be set to 255.255.255.255. */
+ broadcast[index++] = ifo[j].iiAddress.AddressIn.sin_addr.s_addr | ~ifo[j].iiNetmask.AddressIn.sin_addr.s_addr;
+ }
+
+ closesocket(sock);
+ return index;
+}
+
+#else /* not HAVE_GETIFADDRS */
+static int NetworkFindBroadcastIPsInternal(uint32 *broadcast, int limit) // !GETIFADDRS implementation
+{
+ SOCKET sock = socket(AF_INET, SOCK_DGRAM, 0);
+ if (sock == INVALID_SOCKET) return 0;
+
+ char buf[4 * 1024]; // Arbitrary buffer size
+ struct ifconf ifconf;
+
+ ifconf.ifc_len = sizeof(buf);
+ ifconf.ifc_buf = buf;
+ if (ioctl(sock, SIOCGIFCONF, &ifconf) == -1) {
+ closesocket(sock);
+ return 0;
+ }
+
+ const char *buf_end = buf + ifconf.ifc_len;
+ int index;
+ for (const char *p = buf; p < buf_end && index != 0;) {
+ const struct ifreq* req = (const struct ifreq*)p;
+
+ if (req->ifr_addr.sa_family == AF_INET) {
+ struct ifreq r;
+
+ strncpy(r.ifr_name, req->ifr_name, lengthof(r.ifr_name));
+ if (ioctl(sock, SIOCGIFFLAGS, &r) != -1 &&
+ r.ifr_flags & IFF_BROADCAST &&
+ ioctl(sock, SIOCGIFBRDADDR, &r) != -1) {
+ broadcast[index++] = ((struct sockaddr_in*)&r.ifr_broadaddr)->sin_addr.s_addr;
+ }
+ }
+
+ p += sizeof(struct ifreq);
+#if defined(AF_LINK) && !defined(SUNOS)
+ p += req->ifr_addr.sa_len - sizeof(struct sockaddr);
+#endif
+ }
+
+ closesocket(sock);
+}
+#endif /* all NetworkFindBroadcastIPsInternals */
+
+/**
+ * Find the IPs to broadcast.
+ * @param broadcast the list of broadcasts to write into.
+ * @param limit the maximum number of items to add.
+ */
+void NetworkFindBroadcastIPs(uint32 *broadcast, int limit)
+{
+ int count = NetworkFindBroadcastIPsInternal(broadcast, limit);
+
+ /* Make sure the list is terminated. */
+ broadcast[count] = 0;
+
+ /* Now display to the debug all the detected ips */
+ DEBUG(net, 3, "Detected broadcast addresses:");
+ for (int i = 0; broadcast[i] != 0; i++) {
+ DEBUG(net, 3, "%d) %s", i, inet_ntoa(*(struct in_addr *)&broadcast[i])); //inet_ntoa(inaddr));
+ }
+}
+
+
+/**
+ * Resolve a hostname to an ip.
+ * @param hsotname the hostname to resolve
+ * @return the IP belonging to that hostname, or 0 on failure.
+ */
+uint32 NetworkResolveHost(const char *hostname)
+{
+ /* Is this an IP address? */
+ in_addr_t ip = inet_addr(hostname);
+
+ if (ip != INADDR_NONE) return ip;
+
+ /* No, try to resolve the name */
+ struct in_addr addr;
+#if !defined(PSP)
+ struct hostent *he = gethostbyname(hostname);
+ if (he == NULL) {
+ DEBUG(net, 0, "[NET] Cannot resolve %s", hostname);
+ return 0;
+ }
+ addr = *(struct in_addr *)he->h_addr_list[0];
+#else
+ int rid = -1;
+ char buf[1024];
+
+ /* Create a resolver */
+ if (sceNetResolverCreate(&rid, buf, sizeof(buf)) < 0) {
+ DEBUG(net, 0, "[NET] Error connecting resolver");
+ return 0;
+ }
+
+ /* Try to resolve the name */
+ if (sceNetResolverStartNtoA(rid, hostname, &addr, 2, 3) < 0) {
+ DEBUG(net, 0, "[NET] Cannot resolve %s", hostname);
+ sceNetResolverDelete(rid);
+ return 0;
+ }
+ sceNetResolverDelete(rid);
+#endif /* PSP */
+
+ DEBUG(net, 1, "[NET] Resolved %s to %s", hostname, inet_ntoa(addr));
+ ip = addr.s_addr;
+ return ip;
+}
+
+#endif /* ENABLE_NETWORK */
diff --git a/src/network/core/host.h b/src/network/core/host.h
new file mode 100644
index 000000000..9735cce84
--- /dev/null
+++ b/src/network/core/host.h
@@ -0,0 +1,12 @@
+/* $Id$ */
+
+/**
+ * @file host.h Resolving of hostnames/IPs
+ */
+
+#ifndef NETWORK_CORE_HOST_H
+
+void NetworkFindBroadcastIPs(uint32 *broadcast, int limit);
+uint32 NetworkResolveHost(const char *hostname);
+
+#endif /* NETWORK_CORE_HOST_H */
diff --git a/src/network/network.cpp b/src/network/network.cpp
index 7a0cb2ce0..437023636 100644
--- a/src/network/network.cpp
+++ b/src/network/network.cpp
@@ -23,6 +23,7 @@
#include "core/udp.h"
#include "core/tcp.h"
#include "core/core.h"
+#include "core/host.h"
#include "network_gui.h"
#include "../console_func.h"
#include <stdarg.h> /* va_list */
@@ -370,227 +371,6 @@ void CheckMinPlayers()
}
}
-// Find all IP-aliases for this host
-static void NetworkFindIPs()
-{
-#if !defined(PSP)
- int i;
-
-#if defined(BEOS_NET_SERVER) /* doesn't have neither getifaddrs or net/if.h */
- /* Based on Andrew Bachmann's netstat+.c. Big thanks to him! */
- int _netstat(int fd, char **output, int verbose);
-
- int seek_past_header(char **pos, const char *header) {
- char *new_pos = strstr(*pos, header);
- if (new_pos == 0) {
- return B_ERROR;
- }
- *pos += strlen(header) + new_pos - *pos + 1;
- return B_OK;
- }
-
- int output_length;
- char *output_pointer = NULL;
- char **output;
- int sock = socket(AF_INET, SOCK_DGRAM, 0);
- i = 0;
-
- // If something fails, make sure the list is empty
- _broadcast_list[0] = 0;
-
- if (sock < 0) {
- DEBUG(net, 0, "[core] error creating socket");
- return;
- }
-
- output_length = _netstat(sock, &output_pointer, 1);
- if (output_length < 0) {
- DEBUG(net, 0, "[core] error running _netstat");
- return;
- }
-
- output = &output_pointer;
- if (seek_past_header(output, "IP Interfaces:") == B_OK) {
- for (;;) {
- uint32 n, fields, read;
- uint8 i1, i2, i3, i4, j1, j2, j3, j4;
- struct in_addr inaddr;
- uint32 ip;
- uint32 netmask;
-
- fields = sscanf(*output, "%u: %hhu.%hhu.%hhu.%hhu, netmask %hhu.%hhu.%hhu.%hhu%n",
- &n, &i1, &i2, &i3, &i4, &j1, &j2, &j3, &j4, &read);
- read += 1;
- if (fields != 9) {
- break;
- }
-
- ip = (uint32)i1 << 24 | (uint32)i2 << 16 | (uint32)i3 << 8 | (uint32)i4;
- netmask = (uint32)j1 << 24 | (uint32)j2 << 16 | (uint32)j3 << 8 | (uint32)j4;
-
- if (ip != INADDR_LOOPBACK && ip != INADDR_ANY) {
- inaddr.s_addr = htonl(ip | ~netmask);
- _broadcast_list[i] = inaddr.s_addr;
- i++;
- if (i == MAX_INTERFACES) break;
- }
- if (read < 0) {
- break;
- }
- *output += read;
- }
- /* XXX - Using either one of these crashes openttd heavily? - wber */
- /*free(output_pointer);*/
- /*free(output);*/
- closesocket(sock);
- }
-#elif defined(HAVE_GETIFADDRS)
- struct ifaddrs *ifap, *ifa;
-
- // If something fails, make sure the list is empty
- _broadcast_list[0] = 0;
-
- if (getifaddrs(&ifap) != 0)
- return;
-
- i = 0;
- for (ifa = ifap; ifa != NULL; ifa = ifa->ifa_next) {
- if (!(ifa->ifa_flags & IFF_BROADCAST)) continue;
- if (ifa->ifa_broadaddr == NULL) continue;
- if (ifa->ifa_broadaddr->sa_family != AF_INET) continue;
- _broadcast_list[i] = ((struct sockaddr_in*)ifa->ifa_broadaddr)->sin_addr.s_addr;
- i++;
- if (i == MAX_INTERFACES) break;
- }
- freeifaddrs(ifap);
-
-#else /* not HAVE_GETIFADDRS */
- SOCKET sock;
-#ifdef WIN32
- DWORD len = 0;
- INTERFACE_INFO ifo[MAX_INTERFACES];
- uint j;
-#else
- char buf[4 * 1024]; // Arbitrary buffer size
- struct ifconf ifconf;
- const char* buf_end;
- const char* p;
-#endif
-
- // If something fails, make sure the list is empty
- _broadcast_list[0] = 0;
-
- sock = socket(AF_INET, SOCK_DGRAM, 0);
- if (sock == INVALID_SOCKET) return;
-
-#ifdef WIN32
- memset(&ifo[0], 0, sizeof(ifo));
- if ((WSAIoctl(sock, SIO_GET_INTERFACE_LIST, NULL, 0, &ifo[0], sizeof(ifo), &len, NULL, NULL)) != 0) {
- closesocket(sock);
- return;
- }
-
- i = 0;
- for (j = 0; j < len / sizeof(*ifo); j++) {
- if (ifo[j].iiFlags & IFF_LOOPBACK) continue;
- if (!(ifo[j].iiFlags & IFF_BROADCAST)) continue;
- /* iiBroadcast is unusable, because it always seems to be set to
- * 255.255.255.255.
- */
- _broadcast_list[i++] =
- ifo[j].iiAddress.AddressIn.sin_addr.s_addr |
- ~ifo[j].iiNetmask.AddressIn.sin_addr.s_addr;
- if (i == MAX_INTERFACES) break;
- }
-#else
- ifconf.ifc_len = sizeof(buf);
- ifconf.ifc_buf = buf;
- if (ioctl(sock, SIOCGIFCONF, &ifconf) == -1) {
- closesocket(sock);
- return;
- }
-
- i = 0;
- buf_end = buf + ifconf.ifc_len;
- for (p = buf; p < buf_end;) {
- const struct ifreq* req = (const struct ifreq*)p;
-
- if (req->ifr_addr.sa_family == AF_INET) {
- struct ifreq r;
-
- strncpy(r.ifr_name, req->ifr_name, lengthof(r.ifr_name));
- if (ioctl(sock, SIOCGIFFLAGS, &r) != -1 &&
- r.ifr_flags & IFF_BROADCAST &&
- ioctl(sock, SIOCGIFBRDADDR, &r) != -1) {
- _broadcast_list[i++] =
- ((struct sockaddr_in*)&r.ifr_broadaddr)->sin_addr.s_addr;
- if (i == MAX_INTERFACES) break;
- }
- }
-
- p += sizeof(struct ifreq);
-#if defined(AF_LINK) && !defined(SUNOS)
- p += req->ifr_addr.sa_len - sizeof(struct sockaddr);
-#endif
- }
-#endif
-
- closesocket(sock);
-#endif /* not HAVE_GETIFADDRS */
-
- _broadcast_list[i] = 0;
-
- DEBUG(net, 3, "Detected broadcast addresses:");
- // Now display to the debug all the detected ips
- for (i = 0; _broadcast_list[i] != 0; i++) {
- DEBUG(net, 3, "%d) %s", i, inet_ntoa(*(struct in_addr *)&_broadcast_list[i]));//inet_ntoa(inaddr));
- }
-#endif /* PSP */
-}
-
-// Resolve a hostname to a inet_addr
-unsigned long NetworkResolveHost(const char *hostname)
-{
- in_addr_t ip;
-
- // First try: is it an ip address?
- ip = inet_addr(hostname);
-
- // If not try to resolve the name
- if (ip == INADDR_NONE) {
- struct in_addr addr;
-#if !defined(PSP)
- struct hostent *he = gethostbyname(hostname);
- if (he == NULL) {
- DEBUG(net, 0, "Cannot resolve '%s'", hostname);
- return ip;
- }
- addr = *(struct in_addr *)he->h_addr_list[0];
-#else
- int rid = -1;
- char buf[1024];
-
- /* Create a resolver */
- if (sceNetResolverCreate(&rid, buf, sizeof(buf)) < 0) {
- DEBUG(net, 0, "[NET] Error connecting resolver");
- return ip;
- }
-
- /* Try to resolve the name */
- if (sceNetResolverStartNtoA(rid, hostname, &addr, 2, 3) < 0) {
- DEBUG(net, 0, "[NET] Cannot resolve %s", hostname);
- sceNetResolverDelete(rid);
- return ip;
- }
- sceNetResolverDelete(rid);
-#endif /* PSP */
-
- DEBUG(net, 1, "[NET] Resolved %s to %s", hostname, inet_ntoa(addr));
- ip = addr.s_addr;
- }
- return ip;
-}
-
/** Converts a string to ip/port/player
* Format: IP#player:port
*
@@ -1431,7 +1211,7 @@ void NetworkStartUp()
NetworkInitialize();
DEBUG(net, 3, "[core] network online, multiplayer available");
- NetworkFindIPs();
+ NetworkFindBroadcastIPs(_broadcast_list, MAX_INTERFACES);
}
/** This shuts the network down */
diff --git a/src/network/network_internal.h b/src/network/network_internal.h
index dd6b401c3..28d38f889 100644
--- a/src/network/network_internal.h
+++ b/src/network/network_internal.h
@@ -147,7 +147,6 @@ void NetworkGetClientName(char *clientname, size_t size, const NetworkTCPSocketH
uint NetworkCalculateLag(const NetworkTCPSocketHandler *cs);
byte NetworkGetCurrentLanguageIndex();
NetworkTCPSocketHandler *NetworkFindClientStateFromIndex(uint16 client_index);
-unsigned long NetworkResolveHost(const char *hostname);
char* GetNetworkErrorMsg(char* buf, NetworkErrorCode err, const char* last);
bool NetworkFindName(char new_name[NETWORK_CLIENT_NAME_LENGTH]);
diff --git a/src/network/network_udp.cpp b/src/network/network_udp.cpp
index a89e0e5ca..7e27ecd4e 100644
--- a/src/network/network_udp.cpp
+++ b/src/network/network_udp.cpp
@@ -16,6 +16,7 @@
#include "network_gamelist.h"
#include "network_udp.h"
#include "network_internal.h"
+#include "core/host.h"
#include "../variables.h"
#include "../newgrf_config.h"
#include "../core/endian_func.hpp"
generated by cgit v1.2.3-70-g09d2 (git 2.47.1) at 2024-12-18 04:04:13 +0000