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Reorder functions to more closely reflect the flow of control

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This commit is contained in:
Michael Brown
2007-01-18 13:10:26 +00:00
parent 35776f481c
commit 08da93a311
2 changed files with 99 additions and 105 deletions
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107
src/net/tcp/http.c
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@@ -37,6 +37,8 @@
#include <gpxe/download.h>
#include <gpxe/http.h>
static struct async_operations http_async_operations;
static inline struct http_request *
tcp_to_http ( struct tcp_application *app ) {
return container_of ( app, struct http_request, tcp );
@@ -356,58 +358,6 @@ static struct tcp_operations http_tcp_operations = {
.senddata = http_senddata,
};
/**
* Reap asynchronous operation
*
* @v async Asynchronous operation
*/
static void http_reap ( struct async *async ) {
struct http_request *http =
container_of ( async, struct http_request, async );
free ( http );
}
/**
* Handle name resolution completion
*
* @v async HTTP asynchronous operation
* @v signal SIGCHLD
*/
static void http_sigchld ( struct async *async, enum signal signal __unused ) {
struct http_request *http =
container_of ( async, struct http_request, async );
struct sockaddr_tcpip *st = ( struct sockaddr_tcpip * ) &http->server;
int rc;
/* Reap child */
async_wait ( async, &rc, 1 );
/* If name resolution failed, abort now */
if ( rc != 0 ) {
http_done ( http, rc );
return;
}
/* Otherwise, start the HTTP connection */
http->tcp.tcp_op = &http_tcp_operations;
st->st_port = htons ( uri_port ( http->uri, HTTP_PORT ) );
if ( ( rc = tcp_connect ( &http->tcp, st, 0 ) ) != 0 ) {
DBGC ( http, "HTTP %p could not open TCP connection: %s\n",
http, strerror ( rc ) );
http_done ( http, rc );
return;
}
}
/** HTTP asynchronous operations */
static struct async_operations http_async_operations = {
.reap = http_reap,
.signal = {
[SIGCHLD] = http_sigchld,
},
};
/**
* Initiate a HTTP connection
*
@@ -420,12 +370,6 @@ int http_get ( struct uri *uri, struct buffer *buffer, struct async *parent ) {
struct http_request *http = NULL;
int rc;
/* Sanity check */
if ( ! uri->host ) {
rc = -EINVAL;
goto err;
}
/* Allocate and populate HTTP structure */
http = malloc ( sizeof ( *http ) );
if ( ! http )
@@ -456,6 +400,53 @@ int http_get ( struct uri *uri, struct buffer *buffer, struct async *parent ) {
return rc;
}
/**
* Handle name resolution completion
*
* @v async HTTP asynchronous operation
* @v signal SIGCHLD
*/
static void http_sigchld ( struct async *async, enum signal signal __unused ) {
struct http_request *http =
container_of ( async, struct http_request, async );
struct sockaddr_tcpip *st = ( struct sockaddr_tcpip * ) &http->server;
int rc;
/* If name resolution failed, abort now */
async_wait ( async, &rc, 1 );
if ( rc != 0 ) {
http_done ( http, rc );
return;
}
/* Otherwise, start the HTTP connection */
http->tcp.tcp_op = &http_tcp_operations;
st->st_port = htons ( uri_port ( http->uri, HTTP_PORT ) );
if ( ( rc = tcp_connect ( &http->tcp, st, 0 ) ) != 0 ) {
DBGC ( http, "HTTP %p could not open TCP connection: %s\n",
http, strerror ( rc ) );
http_done ( http, rc );
return;
}
}
/**
* Free HTTP connection
*
* @v async Asynchronous operation
*/
static void http_reap ( struct async *async ) {
free ( container_of ( async, struct http_request, async ) );
}
/** HTTP asynchronous operations */
static struct async_operations http_async_operations = {
.reap = http_reap,
.signal = {
[SIGCHLD] = http_sigchld,
},
};
/** HTTP download protocol */
struct download_protocol http_download_protocol __download_protocol = {
.name = "http",