xCAT/xNBA
2
0
Fork 0
mirror of https://github.com/xcat2/xNBA.git synced 2024-12-23 19:51:46 +00:00
Code Issues Projects Releases Wiki Activity

Update to use buffer rather than processor

Browse Source
This commit is contained in:
Michael Brown 2005-05-17 14:35:20 +00:00
parent 40c7b127aa
commit 5fce946de4
1 changed files with 11 additions and 40 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

51
src/proto/http.c
View File

@ -17,15 +17,10 @@
SEND_TCP_CALLBACK - Send data using TCP
**************************************************************************/
struct send_recv_state {
int ( * process ) ( unsigned char *data,
unsigned int blocknum,
unsigned int len, int eof );
struct buffer *recv_buffer;
char *send_buffer;
char *recv_buffer;
int send_length;
int recv_length;
int bytes_sent;
int block;
int bytes_received;
enum { RESULT_CODE, HEADER, DATA, ERROR, MOVED } recv_state;
int rc;
@ -106,25 +101,11 @@ static int recv_tcp_request(int length, const void *buffer, void *ptr) {
}
}
if (state->recv_state == DATA) {
state->bytes_received += length;
DBG2 ( "HTTP received %d bytes\n", length );
while (length > 0) {
int copy_length = BLOCKSIZE - state->recv_length;
if (copy_length > length)
copy_length = length;
memcpy(state->recv_buffer + state->recv_length,
buffer, copy_length);
if ((state->recv_length += copy_length) == BLOCKSIZE) {
DBG2 ( "HTTP processing %d bytes\n",
BLOCKSIZE );
if (!state->process(state->recv_buffer,
++state->block,
BLOCKSIZE, 0))
state->recv_length = 0;
}
length -= copy_length;
buffer += copy_length;
}
if ( ! fill_buffer ( state->recv_buffer, buffer,
state->bytes_received, length ) )
return 0;
state->bytes_received += length;
}
return 1;
}
@ -132,25 +113,18 @@ static int recv_tcp_request(int length, const void *buffer, void *ptr) {
/**************************************************************************
HTTP_GET - Get data using HTTP
**************************************************************************/
static int http ( char *url,
struct sockaddr_in *server __unused,
char *file __unused,
int ( * process ) ( unsigned char *data,
unsigned int blocknum,
unsigned int len, int eof ) ) {
static int http ( char *url, struct sockaddr_in *server __unused,
char *file __unused, struct buffer *buffer ) {
struct protocol *proto;
struct sockaddr_in http_server = *server;
char *filename;
static const char GET[] = "GET /%s HTTP/1.0\r\n\r\n";
static char recv_buffer[BLOCKSIZE];
struct send_recv_state state;
int length;
state.rc = -1;
state.block = 0;
state.recv_buffer = recv_buffer;
state.url = url;
state.process = process;
state.recv_buffer = buffer;
while ( 1 ) {
length = strlen ( filename ) + strlen ( GET );
{
@ -164,7 +138,6 @@ static int http ( char *url,
state.bytes_received = 0;
state.recv_state = RESULT_CODE;
state.recv_length = 0;
tcp_transaction ( server->sin_addr.s_addr,
server->sin_port, &state,
send_tcp_request, recv_tcp_request );
@ -183,15 +156,13 @@ static int http ( char *url,
break;
}
if ( state.rc == 200 ) {
DBG2 ( "HTTP processing %d bytes\n", state.recv_length );
return process ( recv_buffer, ++state.block,
state.recv_length, 1 );
} else {
if ( state.rc != 200 ) {
printf ( "Failed to download %s (rc = %d)\n",
state.url, state.rc );
return 0;
}
return 1;
}
static struct protocol http_protocol __protocol = {