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author | fcolin | 2005-07-22 14:20:20 +0000 |
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committer | fcolin | 2005-07-22 14:20:20 +0000 |
commit | 334891f7c465cc00798511863a8a651713642202 (patch) | |
tree | 6930424dd17c076b1bc3f52f41b2900e1a63bac3 /src/ivysocket.c | |
parent | dddd874d06b3bedfcb0759957e0e1a18c00896d8 (diff) | |
download | ivy-c-334891f7c465cc00798511863a8a651713642202.zip ivy-c-334891f7c465cc00798511863a8a651713642202.tar.gz ivy-c-334891f7c465cc00798511863a8a651713642202.tar.bz2 ivy-c-334891f7c465cc00798511863a8a651713642202.tar.xz |
socket Buffered output
Diffstat (limited to 'src/ivysocket.c')
-rw-r--r-- | src/ivysocket.c | 115 |
1 files changed, 58 insertions, 57 deletions
diff --git a/src/ivysocket.c b/src/ivysocket.c index 16991d9..6a0cbf3 100644 --- a/src/ivysocket.c +++ b/src/ivysocket.c @@ -62,12 +62,13 @@ struct _client { SocketInterpretation interpretation; SocketDelete handle_delete; /* input buffer */ - int buffer_size; - char *buffer; /* dynamicaly reallocated */ - char *ptr; + int in_buffer_size; + char *in_buffer; /* dynamicaly reallocated */ + char *in_ptr; /* output buffer */ int out_buffer_size; char *out_buffer; /* dynamicaly reallocated */ + char *out_ptr; void *data; }; @@ -150,20 +151,20 @@ static void HandleSocket (Channel channel, HANDLE fd, void *data) socklen_t len; /* limitation taille buffer */ - nb_to_read = client->buffer_size - (client->ptr - client->buffer ); + nb_to_read = client->in_buffer_size - (client->in_ptr - client->in_buffer ); if (nb_to_read == 0 ) { - client->buffer_size *= 2; /* twice old size */ - client->buffer = realloc( client->buffer, client->buffer_size ); - if (!client->buffer ) + client->in_buffer_size *= 2; /* twice old size */ + client->in_buffer = realloc( client->in_buffer, client->in_buffer_size ); + if (!client->in_buffer ) { fprintf(stderr,"HandleSocket Buffer Memory Alloc Error\n"); exit(0); } - fprintf(stderr, "Buffer Limit reached realloc new size %d\n", client->buffer_size ); - nb_to_read = client->buffer_size - (client->ptr - client->buffer ); + fprintf(stderr, "Buffer Limit reached realloc new size %d\n", client->in_buffer_size ); + nb_to_read = client->in_buffer_size - (client->in_ptr - client->in_buffer ); } len = sizeof (client->from ); - nb = recvfrom (fd, client->ptr, nb_to_read,0,(struct sockaddr *)&client->from, + nb = recvfrom (fd, client->in_ptr, nb_to_read,0,(struct sockaddr *)&client->from, &len); if (nb < 0) { perror(" Read Socket "); @@ -174,28 +175,28 @@ static void HandleSocket (Channel channel, HANDLE fd, void *data) IvyChannelClose(client->channel ); return; } - client->ptr += nb; + client->in_ptr += nb; if (! client->interpretation ) { - client->ptr = client->buffer; + client->in_ptr = client->in_buffer; fprintf (stderr,"Socket No interpretation function ??? skipping data\n"); return; } - ptr = client->buffer; + ptr = client->in_buffer; - while ( (client->ptr > ptr )&&(ptr_end = (*client->interpretation) (client, client->data, ptr, client->ptr - ptr ))) + while ( (client->in_ptr > ptr )&&(ptr_end = (*client->interpretation) (client, client->data, ptr, client->in_ptr - ptr ))) { ptr = ptr_end; } - if (ptr < client->ptr ) + if (ptr < client->in_ptr ) { /* recopie message incomplet au debut du buffer */ - len = client->ptr - ptr; - memcpy (client->buffer, ptr, len ); - client->ptr = client->buffer + len; + len = client->in_ptr - ptr; + memcpy (client->in_buffer, ptr, len ); + client->in_ptr = client->in_buffer + len; } else { - client->ptr = client->buffer; + client->in_ptr = client->in_buffer; } } static Client CreateClient(int handle) @@ -208,21 +209,22 @@ static Client CreateClient(int handle) close ( handle ); exit(0); } - client->buffer_size = BUFFER_SIZE; - client->buffer = malloc( client->buffer_size ); - if (!client->buffer ) + client->in_buffer_size = BUFFER_SIZE; + client->in_buffer = malloc( client->in_buffer_size ); + if (!client->in_buffer ) { fprintf(stderr,"HandleSocket Buffer Memory Alloc Error\n"); exit(0); } - client->ptr = client->buffer; + client->in_ptr = client->in_buffer; client->out_buffer_size = BUFFER_SIZE; client->out_buffer = malloc( client->out_buffer_size ); - if (!client->buffer ) + if (!client->in_buffer ) { fprintf(stderr,"HandleSocket Buffer Memory Alloc Error\n"); exit(0); } + client->out_ptr = client->out_buffer; client->fd = handle; client->channel = IvyChannelOpen (client->fd, client, DeleteSocket, HandleSocket ); @@ -384,55 +386,54 @@ void SocketClose (Client client ) if (client) IvyChannelClose (client->channel ); } - -void SocketSendRaw (Client client, char *buffer, int len ) -{ - int err; - - if (!client) - return; - - err = send (client->fd, buffer, len, 0 ); - if (err != len ) - perror ("*** send ***"); -} - void SocketSetData (Client client, void *data ) { if (client) client->data = data; } -void SocketSend (Client client, char *fmt, ... ) +void *SocketGetData (Client client ) { - int len; - va_list ap; + return client ? client->data : 0; +} +void SocketSendBuf (Client client, char *buffer, int len ) +{ + unsigned long usedspace; if (!client) return; - va_start (ap, fmt ); - len = make_message (&client->out_buffer, &client->out_buffer_size, 0, fmt, ap ); - SocketSendRaw (client, client->out_buffer, len ); - va_end (ap ); + usedspace = client->out_ptr - client->out_buffer; + if ( len >= client->out_buffer_size - usedspace ) + { + /* not enought space */ + client->out_buffer_size += len - usedspace +1; + client->out_buffer = realloc (client->out_buffer, client->out_buffer_size); + } + memcpy ( client->out_ptr, buffer, len ); + client->out_ptr += len; } -void *SocketGetData (Client client ) -{ - return client ? client->data : 0; -} -void SocketSendToAll ( char *fmt, ... ) +void SocketSendFmt (Client client, char *fmt, ... ) { - Client client; va_list ap; - int len; - + if (!client) + return; va_start (ap, fmt ); - len = make_message (&client->out_buffer, &client->out_buffer_size, 0, fmt, ap ); + client->out_ptr += make_message (&client->out_buffer, &client->out_buffer_size, client->out_ptr - client->out_buffer, fmt, ap ); va_end (ap ); - IVY_LIST_EACH (clients_list, client ) - { - SocketSendRaw (client, client->out_buffer, len ); - } +} +void SocketFlush (Client client) +{ + int err; + unsigned long len; + + if (!client) + return; + len = client->out_ptr - client->out_buffer; + err = send (client->fd, client->out_buffer, len, 0 ); + if (err != len ) + perror ("*** send ***"); + client->out_ptr = client->out_buffer; } /* |