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[mono] Move networking code to debugger component #82785
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,241 @@ | ||
| /** | ||
| * \file | ||
| * Portable networking functions | ||
| * | ||
| * Author: | ||
| * Rodrigo Kumpera ([email protected]) | ||
| * | ||
| * (C) 2015 Xamarin | ||
| */ | ||
|
|
||
| #include <mono/utils/mono-threads-coop.h> | ||
| #include <glib.h> | ||
|
|
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| #ifdef HAVE_NETDB_H | ||
| #include <netdb.h> | ||
| #endif | ||
| #ifdef HAVE_SYS_IOCTL_H | ||
| #include <sys/ioctl.h> | ||
| #endif | ||
| #ifdef HAVE_SYS_SOCKET_H | ||
| #include <sys/socket.h> | ||
| #endif | ||
| #ifdef HAVE_NET_IF_H | ||
| #include <net/if.h> | ||
| #endif | ||
| #ifdef HAVE_UNISTD_H | ||
| #include <unistd.h> | ||
| #endif | ||
|
|
||
| #include "debugger-networking.h" | ||
|
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||
|
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| void | ||
| mono_debugger_networking_init (void) | ||
| { | ||
| #ifdef HOST_WIN32 | ||
| WSADATA wsadata; | ||
| int err; | ||
|
|
||
| err = WSAStartup (2 /* 2.0 */, &wsadata); | ||
| if(err) | ||
| g_error ("%s: Couldn't initialise networking", __func__); | ||
| #endif | ||
| } | ||
|
|
||
| void | ||
| mono_debugger_networking_shutdown (void) | ||
| { | ||
| #ifdef HOST_WIN32 | ||
| WSACleanup (); | ||
| #endif | ||
| } | ||
|
|
||
|
|
||
| /* port in host order, address in network order */ | ||
| void | ||
| mono_debugger_socket_address_init (MonoSocketAddress *sa, socklen_t *len, int family, const void *address, int port) | ||
| { | ||
| memset (sa, 0, sizeof (MonoSocketAddress)); | ||
| if (family == AF_INET) { | ||
| *len = sizeof (struct sockaddr_in); | ||
|
|
||
| sa->v4.sin_family = AF_INET; | ||
| sa->v4.sin_addr = *(struct in_addr*)address; | ||
| sa->v4.sin_port = htons (GINT_TO_UINT16 (port)); | ||
| #if HAVE_SOCKADDR_IN_SIN_LEN | ||
| sa->v4.sin_len = sizeof (*len); | ||
| #endif | ||
| #ifdef HAVE_STRUCT_SOCKADDR_IN6 | ||
| } else if (family == AF_INET6) { | ||
| *len = sizeof (struct sockaddr_in6); | ||
|
|
||
| sa->v6.sin6_family = AF_INET6; | ||
| sa->v6.sin6_addr = *(struct in6_addr*)address; | ||
| sa->v6.sin6_port = htons (GINT_TO_UINT16 (port)); | ||
| #if HAVE_SOCKADDR_IN6_SIN_LEN | ||
| sa->v6.sin6_len = sizeof (*len); | ||
| #endif | ||
| #endif | ||
| } else { | ||
| g_error ("Cannot handle address family %d", family); | ||
| } | ||
| } | ||
|
|
||
|
|
||
| void | ||
| mono_debugger_free_address_info (MonoAddressInfo *ai) | ||
| { | ||
| MonoAddressEntry *cur = ai->entries, *next; | ||
| while (cur) { | ||
| next = cur->next; | ||
| g_free ((void*)cur->canonical_name); | ||
| g_free (cur); | ||
| cur = next; | ||
| } | ||
| g_strfreev (ai->aliases); | ||
| g_free (ai); | ||
| } | ||
|
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||
|
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| #if !defined (HAVE_GETADDRINFO) && (defined (HAVE_GETHOSTBYNAME) || defined (HAVE_GETHOSTBYNAME2)) | ||
| static void | ||
| add_hostent (MonoAddressInfo *info, int flags, struct hostent *h) | ||
| { | ||
| MonoAddressEntry *cur, *prev = info->entries; | ||
| int idx = 0; | ||
|
|
||
| if (!h) | ||
| return; | ||
|
|
||
| if (!info->aliases) | ||
| info->aliases = g_strdupv (h->h_aliases); | ||
|
|
||
| while (h->h_addr_list [idx]) { | ||
| cur = g_new0 (MonoAddressEntry, 1); | ||
| if (prev) | ||
| prev->next = cur; | ||
| else | ||
| info->entries = cur; | ||
|
|
||
| if (flags & MONO_HINT_CANONICAL_NAME && h->h_name) | ||
| cur->canonical_name = g_strdup (h->h_name); | ||
|
|
||
| cur->family = h->h_addrtype; | ||
| cur->socktype = SOCK_STREAM; | ||
| cur->protocol = 0; /* Zero means the default stream protocol */ | ||
| cur->address_len = h->h_length; | ||
| memcpy (&cur->address, h->h_addr_list [idx], h->h_length); | ||
|
|
||
| prev = cur; | ||
| ++idx; | ||
| } | ||
| } | ||
| #endif /* !defined (HAVE_GETADDRINFO) && (defined (HAVE_GETHOSTBYNAME) || defined (HAVE_GETHOSTBYNAME2)) */ | ||
|
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||
|
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| int | ||
| mono_debugger_get_address_info (const char *hostname, int port, int flags, MonoAddressInfo **result) | ||
| { | ||
| #if defined (HAVE_GETADDRINFO) /* modern posix networking code */ | ||
| char service_name [16]; | ||
| struct addrinfo hints, *res = NULL, *info; | ||
| MonoAddressEntry *cur = NULL, *prev = NULL; | ||
| MonoAddressInfo *addr_info; | ||
| int ret; | ||
|
|
||
| memset (&hints, 0, sizeof (struct addrinfo)); | ||
| *result = NULL; | ||
|
|
||
| hints.ai_family = PF_UNSPEC; | ||
| if (flags & MONO_HINT_IPV4) | ||
| hints.ai_family = PF_INET; | ||
| else if (flags & MONO_HINT_IPV6) | ||
| hints.ai_family = PF_INET6; | ||
|
|
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| hints.ai_socktype = SOCK_STREAM; | ||
|
|
||
| if (flags & MONO_HINT_CANONICAL_NAME) | ||
| hints.ai_flags = AI_CANONNAME; | ||
| if (flags & MONO_HINT_NUMERIC_HOST) | ||
| hints.ai_flags |= AI_NUMERICHOST; | ||
|
|
||
| /* Some ancient libc don't define AI_ADDRCONFIG */ | ||
| #ifdef AI_ADDRCONFIG | ||
| if (flags & MONO_HINT_CONFIGURED_ONLY) | ||
| hints.ai_flags |= AI_ADDRCONFIG; | ||
| #endif | ||
| sprintf (service_name, "%d", port); | ||
|
|
||
| MONO_ENTER_GC_SAFE; | ||
| ret = getaddrinfo (hostname, service_name, &hints, &info); | ||
| MONO_EXIT_GC_SAFE; | ||
|
|
||
| if (ret) | ||
| return 1; /* FIXME propagate the error */ | ||
|
|
||
| res = info; | ||
| *result = addr_info = g_new0 (MonoAddressInfo, 1); | ||
|
|
||
| while (res) { | ||
| cur = g_new0 (MonoAddressEntry, 1); | ||
| cur->family = res->ai_family; | ||
| cur->socktype = res->ai_socktype; | ||
| cur->protocol = res->ai_protocol; | ||
| if (cur->family == PF_INET) { | ||
| cur->address_len = sizeof (struct in_addr); | ||
| cur->address.v4 = ((struct sockaddr_in*)res->ai_addr)->sin_addr; | ||
| #ifdef HAVE_STRUCT_SOCKADDR_IN6 | ||
| } else if (cur->family == PF_INET6) { | ||
| cur->address_len = sizeof (struct in6_addr); | ||
| cur->address.v6 = ((struct sockaddr_in6*)res->ai_addr)->sin6_addr; | ||
| #endif | ||
| } else { | ||
| g_warning ("Cannot handle address family %d", cur->family); | ||
| res = res->ai_next; | ||
| g_free (cur); | ||
| continue; | ||
| } | ||
|
|
||
| if (res->ai_canonname) | ||
| cur->canonical_name = g_strdup (res->ai_canonname); | ||
|
|
||
| if (prev) | ||
| prev->next = cur; | ||
| else | ||
| addr_info->entries = cur; | ||
|
|
||
| prev = cur; | ||
| res = res->ai_next; | ||
| } | ||
|
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| freeaddrinfo (info); | ||
| return 0; | ||
|
|
||
| #elif defined (HAVE_GETHOSTBYNAME) || defined (HAVE_GETHOSTBYNAME2) /* fallback networking code that relies on old BSD apis or whatever else is available */ | ||
| MonoAddressInfo *addr_info; | ||
| addr_info = g_new0 (MonoAddressInfo, 1); | ||
|
|
||
| #ifdef HAVE_GETHOSTBYNAME2 | ||
| if (flags & MONO_HINT_IPV6 || flags & MONO_HINT_UNSPECIFIED) | ||
| add_hostent (addr_info, flags, gethostbyname2 (hostname, AF_INET6)); | ||
| if (flags & MONO_HINT_IPV4 || flags & MONO_HINT_UNSPECIFIED) | ||
| add_hostent (addr_info, flags, gethostbyname2 (hostname, AF_INET)); | ||
| #else | ||
| add_hostent (addr_info, flags, gethostbyname (hostname)) | ||
| #endif | ||
|
|
||
| if (!addr_info->entries) { | ||
| *result = NULL; | ||
| mono_debugger_free_address_info (addr_info); | ||
| return 1; | ||
| } | ||
|
|
||
| *result = addr_info; | ||
| return 0; | ||
|
|
||
| #else | ||
| g_error ("No networking implementation available"); | ||
| return 1; | ||
| #endif /* defined (HAVE_GETADDRINFO) */ | ||
| } | ||
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I wonder whether there still is any platform we care about that doesn't have
getaddrinfo?We could drop this code otherwise.