/************************************************************************
* NAME: fapp_http_string_buffer_respond
*
* DESCRIPTION:
*************************************************************************/
static unsigned long fapp_http_string_buffer_respond(char * buffer, unsigned long buffer_size, char * eof, long *cookie)
{
unsigned long result = 0;
char *string_buffer_ptr = (char *) *cookie;
unsigned long send_size = fnet_strlen(string_buffer_ptr);
*eof = 1; /* No aditional send by default. */
if(buffer && buffer_size)
{
if(send_size>buffer_size)
send_size = buffer_size;
fnet_memcpy(buffer, string_buffer_ptr, send_size);
string_buffer_ptr += send_size;
if(*string_buffer_ptr!='\0') /* If any data for sending.*/
*eof = 0; /* Need more itteration. */
result = send_size;
*cookie = (long)string_buffer_ptr; /* Save cgi_buffer_ptr as cookie.*/
}
return result;
}
/************************************************************************
* NAME: fnet_dns_init
*
* DESCRIPTION: Initializes DNS client service and starts the host
* name reolving.
************************************************************************/
static unsigned int fnet_dns_add_question( char *message, unsigned short type, char *host_name)
{
unsigned int total_length = 0U;
unsigned int label_length;
fnet_dns_q_tail_t *q_tail;
char *strtok_pos = FNET_NULL;
/* Set Question section :
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| |
/ QNAME /
/ /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| QTYPE |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| QCLASS |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
/* QNAME */
/* a domain name represented as a sequence of labels, where
* each label consists of a length octet followed by that
* number of octets. The domain name terminates with the
* zero length octet for the null label of the root. Note
* that this field may be an odd number of octets; no
* padding is used.
*/
/* Copy host_name string.*/
fnet_strcpy(&message[1], host_name);
/* TBD PFI, use strtok_pos as pointer.*/
/* Replace '.' by zero.*/
fnet_strtok_r(&message[1], ".", &strtok_pos);
while((label_length = fnet_strlen(&message[total_length]+1U)) > 0U)
{
message[total_length] = (char)label_length; /* Set length before (previous) label.*/
total_length += label_length + 1U;
fnet_strtok_r(FNET_NULL,".", &strtok_pos);
}
q_tail = (fnet_dns_q_tail_t *)&message[total_length];
/* Skip 1 byte (zero). End of string. */
/* QTYPE */
q_tail->qtype = type;
/* QCLASS */
q_tail->qclass = FNET_HTONS(FNET_DNS_HEADER_CLASS_IN);
return (total_length+ sizeof(fnet_dns_q_tail_t));
}
/************************************************************************
* NAME: fapp_fs_view_cmd
*
* DESCRIPTION:
*************************************************************************/
static void fapp_fs_view_cmd( fnet_shell_desc_t desc, fnet_index_t argc, fnet_char_t ** argv )
{
FNET_FS_FILE file;
fnet_char_t *path = argv[1];
fnet_char_t *path_end;
fnet_size_t size_cd = fnet_strlen (fapp_fs_current_path);
fnet_size_t size_path;
fnet_char_t splitter[] = {FNET_FS_SPLITTER,'\0'};
fnet_uint8_t data;
struct fnet_fs_dirent dirent;
FNET_COMP_UNUSED_ARG(desc);
FNET_COMP_UNUSED_ARG(argc);
if (*path != FNET_FS_SPLITTER) /* Realative path.*/
{
/* Add splitter if not yet.*/
if(fapp_fs_current_path[size_cd-1U] != FNET_FS_SPLITTER)
{
fnet_strncat( &fapp_fs_current_path[0], splitter, FAPP_FS_DIR_PATH_MAX);
}
fnet_strncat( &fapp_fs_current_path[0], path, FAPP_FS_DIR_PATH_MAX);
path = fapp_fs_current_path;
}
else /* Full path. */
{
/* Strip possible repetitive leading slashes. */
while ((path[0] == FNET_FS_SPLITTER) && (path[1] == FNET_FS_SPLITTER))
{
path++;
}
}
/* Strip possible ending slashes. */
if((size_path = fnet_strlen(path)) > 0U)
{
path_end = &path[size_path-1U];
while(*path_end == FNET_FS_SPLITTER)
{
*path_end = '\0';
path_end--;
}
}
/* Open file. */
file = fnet_fs_fopen(path,"r");
if (file)
{
/* Print file info.*/
fnet_fs_finfo (file, &dirent);
fnet_shell_println(desc, FAPP_FS_DIR_STR, "Content of:", dirent.d_size, dirent.d_name);
while(fnet_fs_fread(&data, sizeof(data), file))
{
fnet_shell_putchar(desc, data);
}
/* Close file. */
fnet_fs_fclose(file);
}
else
{
fnet_shell_println(desc, FAPP_FS_VIEW_ERR, argv[1]);
}
/* Restore cur path. */
fapp_fs_current_path[size_cd] = '\0';
}
/************************************************************************
* NAME: fapp_fs_cd_cmd
*
* DESCRIPTION: Change the current directory.
*************************************************************************/
static void fapp_fs_cd_cmd( fnet_shell_desc_t desc, fnet_index_t argc, fnet_char_t ** argv )
{
FNET_FS_DIR dir;
fnet_char_t *path = argv[1];
fnet_char_t *path_end;
fnet_size_t size_cd = fnet_strlen (fapp_fs_current_path);
fnet_size_t size_path;
fnet_char_t splitter[] = {FNET_FS_SPLITTER,'\0'};
FNET_COMP_UNUSED_ARG(argc);
if (*path != FNET_FS_SPLITTER) /* Realative path.*/
{
/* Add splitter if not yet.*/
if(fapp_fs_current_path[size_cd-1U] != FNET_FS_SPLITTER)
{
fnet_strncat( &fapp_fs_current_path[0], splitter, FAPP_FS_DIR_PATH_MAX);
}
fnet_strncat( &fapp_fs_current_path[0], path, FAPP_FS_DIR_PATH_MAX);
path = fapp_fs_current_path;
}
else /* Full path. */
{
/* Strip possible repetitive leading slashes. */
while ((path[0] == FNET_FS_SPLITTER) && (path[1] == FNET_FS_SPLITTER))
{
path++;
}
}
/* Strip possible ending slashes. */
if((size_path = fnet_strlen(path)) > 0U)
{
path_end = &path[size_path - 1U];
while(*path_end == FNET_FS_SPLITTER)
{
*path_end = '\0';
path_end--;
}
}
/* Open dir. */
dir = fnet_fs_opendir(path);
if (dir)
{
/* Update cur path. */
fnet_strncpy( &fapp_fs_current_path[0], path, FAPP_FS_DIR_PATH_MAX);
if(fapp_fs_current_path[0] == '\0') /* root dir */
{
fnet_strncat( &fapp_fs_current_path[0], splitter, FAPP_FS_DIR_PATH_MAX);
}
/* Change shell prompt. */
fnet_sprintf( FAPP_FS_PROMPT_STR, "%s%s%s",
&FAPP_FS_PROMPT_STR_HEADER[0],
&fapp_fs_current_path[0],
&FAPP_FS_PROMPT_STR_TRAILER[0]);
/* Close dir. */
fnet_fs_closedir(dir);
}
else
{
/* Restore cur path. */
fapp_fs_current_path[size_cd] = '\0';
fnet_shell_println(desc, FAPP_FS_CD_ERR, argv[1]);
}
}
/************************************************************************
* NAME: fnet_dns_init
*
* DESCRIPTION: Initializes DNS client service and starts the host
* name resolving.
************************************************************************/
int fnet_dns_init( struct fnet_dns_params *params )
{
const unsigned long bufsize_option = FNET_DNS_MESSAGE_SIZE;
unsigned int total_length;
unsigned long host_name_length;
struct sockaddr remote_addr;
fnet_dns_header_t *header;
/* Check input parameters. */
if((params == 0)
|| (params->dns_server_addr.sa_family == AF_UNSPEC)
|| fnet_socket_addr_is_unspecified(¶ms->dns_server_addr)
|| (params->handler == 0)
/* Check length of host_name.*/
|| ((host_name_length = fnet_strlen(params->host_name)) == 0U) || (host_name_length >= FNET_DNS_MAME_SIZE))
{
FNET_DEBUG_DNS(FNET_DNS_ERR_PARAMS);
goto ERROR;
}
/* Check if DNS service is free.*/
if(fnet_dns_if.state != FNET_DNS_STATE_DISABLED)
{
FNET_DEBUG_DNS(FNET_DNS_ERR_IS_INITIALIZED);
goto ERROR;
}
/* Save input parmeters.*/
fnet_dns_if.handler = params->handler;
fnet_dns_if.handler_cookie = params->cookie;
fnet_dns_if.addr_family = params->addr_family;
fnet_dns_if.addr_number = 0;
if(params->addr_family == AF_INET)
{
fnet_dns_if.dns_type = FNET_HTONS(FNET_DNS_TYPE_A);
}
else
if(params->addr_family == AF_INET6)
{
fnet_dns_if.dns_type = FNET_HTONS(FNET_DNS_TYPE_AAAA);
}
else
{
FNET_DEBUG_DNS(FNET_DNS_ERR_PARAMS);
goto ERROR;
}
fnet_dns_if.iteration = 0U; /* Reset iteration counter.*/
fnet_dns_if.id++; /* Change query ID.*/
/* Create socket */
if((fnet_dns_if.socket_cln = socket(params->dns_server_addr.sa_family, SOCK_DGRAM, 0)) == SOCKET_INVALID)
{
FNET_DEBUG_DNS(FNET_DNS_ERR_SOCKET_CREATION);
goto ERROR;
}
/* Set socket options */
setsockopt(fnet_dns_if.socket_cln, SOL_SOCKET, SO_RCVBUF, (const char *)&bufsize_option, sizeof(bufsize_option));
setsockopt(fnet_dns_if.socket_cln, SOL_SOCKET, SO_SNDBUF, (const char *)&bufsize_option, sizeof(bufsize_option));
/* Bind/connect to the server.*/
FNET_DEBUG_DNS("Connecting to DNS Server.");
fnet_memset_zero(&remote_addr, sizeof(remote_addr));
remote_addr = params->dns_server_addr;
if(remote_addr.sa_port == 0U)
{
remote_addr.sa_port = FNET_CFG_DNS_PORT;
}
if(connect(fnet_dns_if.socket_cln, &remote_addr, sizeof(remote_addr))== FNET_ERR)
{
FNET_DEBUG_DNS(FNET_DNS_ERR_SOCKET_CONNECT);
goto ERROR_1;
}
/* ==== Build message. ==== */
fnet_memset_zero(fnet_dns_if.message, sizeof(fnet_dns_if.message)); /* Clear buffer.*/
/* Set header fields:
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| ID |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
|QR| Opcode |AA|TC|RD|RA| Z | RCODE |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| QDCOUNT |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| ANCOUNT |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| NSCOUNT |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| ARCOUNT |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
header = (fnet_dns_header_t *)fnet_dns_if.message;
header->id = fnet_dns_if.id; /* Set ID. */
header->flags = FNET_HTONS(FNET_DNS_HEADER_FLAGS_RD); /* Recursion Desired.*/
header->qdcount = FNET_HTONS(1U); /* One Question. */
/* No Answer (ANCOUNT).*/ /* No Authority (NSCOUNT). */ /* No Additional (ARCOUNT). */
total_length = sizeof(fnet_dns_header_t);
total_length += fnet_dns_add_question( &fnet_dns_if.message[total_length], fnet_dns_if.dns_type, params->host_name);
fnet_dns_if.message_size = (unsigned long)(total_length);
/* Register DNS service. */
fnet_dns_if.service_descriptor = fnet_poll_service_register(fnet_dns_state_machine, (void *) &fnet_dns_if);
if(fnet_dns_if.service_descriptor == (fnet_poll_desc_t)FNET_ERR)
{
FNET_DEBUG_DNS(FNET_DNS_ERR_SERVICE);
goto ERROR_1;
}
fnet_dns_if.state = FNET_DNS_STATE_TX; /* => Send request. */
return FNET_OK;
ERROR_1:
closesocket(fnet_dns_if.socket_cln);
ERROR:
return FNET_ERR;
}
/************************************************************************
* NAME: fnet_http_state_machine
*
* DESCRIPTION: Http server state machine.
************************************************************************/
static void fnet_http_state_machine( void *http_if_p )
{
struct sockaddr foreign_addr;
int len;
int res;
struct fnet_http_if *http = (struct fnet_http_if *)http_if_p;
int iteration;
char *ch;
int i;
struct fnet_http_session_if *session;
for(i=0; i<FNET_CFG_HTTP_SESSION_MAX; i++)
{
session = &http->session[i];
http->session_active = session;
for(iteration = 0; iteration < FNET_HTTP_ITERATION_NUMBER; iteration++)
{
switch(session->state)
{
/*---- LISTENING ------------------------------------------------*/
case FNET_HTTP_STATE_LISTENING:
len = sizeof(foreign_addr);
if((session->socket_foreign = accept(http->socket_listen, &foreign_addr, &len)) != SOCKET_INVALID)
{
#if FNET_CFG_DEBUG_HTTP
{
char ip_str[FNET_IP_ADDR_STR_SIZE];
fnet_inet_ntop(foreign_addr.sa_family, (char*)(foreign_addr.sa_data), ip_str, sizeof(ip_str));
FNET_DEBUG_HTTP("");
FNET_DEBUG_HTTP("HTTP: RX Request From: %s; Port: %d.", ip_str, fnet_ntohs(foreign_addr.sa_port));
}
#endif
/* Reset response & request parameters.*/
fnet_memset_zero(&session->response, sizeof(struct fnet_http_response));
fnet_memset_zero(&session->request, sizeof(struct fnet_http_request));
#if FNET_CFG_HTTP_VERSION_MAJOR /* HTTP/1.x*/
session->response.content_length = -1; /* No content length by default.*/
/* Default HTTP version response.*/
session->response.version.major = FNET_HTTP_VERSION_MAJOR;
session->response.version.minor = FNET_HTTP_VERSION_MINOR;
session->response.tx_data = fnet_http_tx_status_line;
#endif
session->state_time = fnet_timer_ticks(); /* Reset timeout. */
session->buffer_actual_size = 0;
session->state = FNET_HTTP_STATE_RX_REQUEST; /* => WAITING HTTP REQUEST */
}
break;
/*---- RX_LINE -----------------------------------------------*/
case FNET_HTTP_STATE_RX_REQUEST:
do
{
/* Read character by character.*/
ch = &session->buffer[session->buffer_actual_size];
if((res = recv(session->socket_foreign, ch, 1, 0) )!= SOCKET_ERROR)
{
if(res > 0) /* Received a data.*/
{
session->state_time = fnet_timer_ticks(); /* Reset timeout.*/
session->buffer_actual_size++;
if(*ch == '\r')
*ch = '\0';
else if(*ch == '\n')
/* Line received.*/
{
char * req_buf = &session->buffer[0];
*ch = '\0';
if(session->request.method == 0)
/* Parse Request line.*/
{
const struct fnet_http_method **method = &fnet_http_method_list[0];
FNET_DEBUG_HTTP("HTTP: RX Request: %s", req_buf);
/* Determine the method type. */
while(*method)
{
if ( !fnet_strcmp_splitter(req_buf, (*method)->token, ' ') )
{
req_buf+=fnet_strlen((*method)->token);
session->request.method = *method;
break;
}
method++;
}
/* Check if the method is supported? */
if(session->request.method && session->request.method->handle)
{
/* Parse URI.*/
req_buf = fnet_http_uri_parse(req_buf, &session->request.uri);
FNET_DEBUG_HTTP("HTTP: URI Path = %s; Query = %s", http->request.uri.path, http->request.uri.query);
#if FNET_CFG_HTTP_VERSION_MAJOR /* HTTP/1.x*/
/* Parse HTTP/x.x version.*/
fnet_http_version_parse(++req_buf, &session->response.version);
/* Check the highest supported HTTP version.*/
if(((session->response.version.major<<8)|session->response.version.minor) > ((FNET_HTTP_VERSION_MAJOR<<8)|FNET_HTTP_VERSION_MINOR))
{
session->response.version.major = FNET_HTTP_VERSION_MAJOR;
session->response.version.minor = FNET_HTTP_VERSION_MINOR;
}
if(session->response.version.major == 0)
/* HTTP/0.x */
{
session->state = FNET_HTTP_STATE_CLOSING; /* Client does not support HTTP/1.x*/
break;
}
#if FNET_CFG_HTTP_AUTHENTICATION_BASIC
/* Check Authentification.*/
fnet_http_auth_validate_uri(http);
#endif
#endif/*FNET_CFG_HTTP_VERSION_MAJOR*/
/* Call method initial handler.*/
res = session->request.method->handle(http, &session->request.uri);
#if FNET_CFG_HTTP_VERSION_MAJOR /* HTTP/1.x*/
if(fnet_http_status_ok(res) == FNET_OK)
#else
if((res == FNET_OK))
#endif
{
#if FNET_CFG_HTTP_VERSION_MAJOR /* HTTP/1.x*/
session->buffer_actual_size = 0;
/* => Parse Header line.*/
#else /* HTTP/0.9 */
session->response.tx_data = session->request.method->send;
/* Reset buffer pointers.*/
session->buffer_actual_size = 0;
session->state = FNET_HTTP_STATE_TX; /* Send data.*/
#endif
}
/* Method error.*/
else /* Error.*/
{
#if FNET_CFG_HTTP_VERSION_MAJOR /* HTTP/1.x*/
/* Default code = FNET_HTTP_STATUS_CODE_INTERNAL_SERVER_ERROR. */
if(res != FNET_ERR)
session->response.status.code = (fnet_http_status_code_t)res;
/* Send status line.*/
session->buffer_actual_size = 0;
session->state = FNET_HTTP_STATE_TX; /* Send error.*/
#else /* HTTP/0.9 */
session->state = FNET_HTTP_STATE_CLOSING;
#endif
}
}
/* Method is not supported.*/
else /* Error.*/
{
#if FNET_CFG_HTTP_VERSION_MAJOR /* HTTP/1.x*/
session->response.status.code = FNET_HTTP_STATUS_CODE_NOT_IMPLEMENTED;
/* Send status line.*/
session->buffer_actual_size = 0;
session->state = FNET_HTTP_STATE_TX; /* Send error.*/
#else /* HTTP/0.9 */
session->state = FNET_HTTP_STATE_CLOSING;
#endif
}
}
#if FNET_CFG_HTTP_VERSION_MAJOR /* HTTP/1.x*/
/* Parse Header line.*/
else
{
if(session->request.skip_line == 0)
{
if(*req_buf == 0)
/* === Empty line => End of the request header. ===*/
{
#if FNET_CFG_HTTP_AUTHENTICATION_BASIC
if(session->response.auth_entry)
/* Send UNAUTHORIZED error.*/
session->response.status.code = FNET_HTTP_STATUS_CODE_UNAUTHORIZED;
else /* Send Data.*/
#endif
session->response.status.code = FNET_HTTP_STATUS_CODE_OK;
#if FNET_CFG_HTTP_POST
if(session->request.content_length > 0)
/* RX Entity-Body.*/
{
session->buffer_actual_size = 0;
session->state = FNET_HTTP_STATE_RX;
}
else
#endif
/* TX Full-Responce.*/
{
/* Send status line.*/
session->buffer_actual_size = 0;
session->state = FNET_HTTP_STATE_TX;
}
break;
}
else
/* === Parse header fields. ===*/
{
FNET_DEBUG_HTTP("HTTP: RX Header: %s", req_buf);
#if FNET_CFG_HTTP_AUTHENTICATION_BASIC
/* --- Authorization: ---*/
if (session->response.auth_entry && fnet_strncmp(req_buf, FNET_HTTP_HEADER_FIELD_AUTHORIZATION, sizeof(FNET_HTTP_HEADER_FIELD_AUTHORIZATION)-1) == 0)
/* Authetication is required.*/
{
char *auth_str = &req_buf[sizeof(FNET_HTTP_HEADER_FIELD_AUTHORIZATION)-1];
/* Validate credentials.*/
if(fnet_http_auth_validate_credentials(http, auth_str) == FNET_OK)
session->response.auth_entry = 0; /* Authorization is succesful.*/
}
#endif
#if FNET_CFG_HTTP_POST
/* --- Content-Length: ---*/
if (session->request.method->receive && fnet_strncmp(req_buf, FNET_HTTP_HEADER_FIELD_CONTENT_LENGTH, sizeof(FNET_HTTP_HEADER_FIELD_CONTENT_LENGTH)-1) == 0)
{
char *p;
char *length_str = &req_buf[sizeof(FNET_HTTP_HEADER_FIELD_CONTENT_LENGTH)-1];
session->request.content_length = (long)fnet_strtoul(length_str,&p,10);
}
#endif
}
}
/* Line is skiped.*/
else
session->request.skip_line = 0; /* Reset the Skip flag.*/
session->buffer_actual_size = 0; /* => Parse Next Header line.*/
}
#endif/* FNET_CFG_HTTP_VERSION_MAJOR */
}
/* Not whole line received yet.*/
else if (session->buffer_actual_size == FNET_HTTP_BUF_SIZE)
/* Buffer is full.*/
{
#if FNET_CFG_HTTP_VERSION_MAJOR /* HTTP/1.x*/
if(session->request.method != 0)
/* For header, skip the line.*/
{
/* Skip line.*/
session->request.skip_line = 1;
session->buffer_actual_size = 0;
}
else /* Error.*/
{
/* Default code = FNET_HTTP_STATUS_CODE_INTERNAL_SERVER_ERROR. */
session->buffer_actual_size = 0;
session->state = FNET_HTTP_STATE_TX; /* Send error.*/
}
#else /* HTTP/0.9 */
session->state = FNET_HTTP_STATE_CLOSING;
#endif
}
}
/* No data.*/
else if(fnet_timer_get_interval(session->state_time, fnet_timer_ticks()) /* Time out? */
> (FNET_HTTP_WAIT_RX_MS / FNET_TIMER_PERIOD_MS))
{
session->state = FNET_HTTP_STATE_CLOSING; /*=> CLOSING */
}
/* else => WAITING REQUEST. */
}
/* recv() error.*/
else
{
session->state = FNET_HTTP_STATE_CLOSING; /*=> CLOSING */
}
}
while ((res > 0) && (session->state == FNET_HTTP_STATE_RX_REQUEST)); /* Till receiving the request header.*/
break;
#if FNET_CFG_HTTP_POST
/*---- RX --------------------------------------------------*/
case FNET_HTTP_STATE_RX: /* Receive data (Entity-Body). */
if((res = recv(session->socket_foreign, &session->buffer[session->buffer_actual_size], (int)(FNET_HTTP_BUF_SIZE-session->buffer_actual_size), 0) )!= SOCKET_ERROR)
{
session->buffer_actual_size += res;
session->request.content_length -= res;
if(res > 0)
/* Some Data.*/
{
session->state_time = fnet_timer_ticks(); /* Reset timeout.*/
res = session->request.method->receive(http);
if(fnet_http_status_ok(res) != FNET_OK)
{
if(res != FNET_ERR)
session->response.status.code = (fnet_http_status_code_t)res;
else
session->response.status.code = FNET_HTTP_STATUS_CODE_INTERNAL_SERVER_ERROR;
session->request.content_length = 0;
}
if(session->request.content_length <= 0) /* The last data.*/
{
session->state = FNET_HTTP_STATE_TX; /* Send data.*/
}
session->buffer_actual_size = 0;
}
else
/* No Data.*/
{
if(fnet_timer_get_interval(session->state_time, fnet_timer_ticks())
> (FNET_HTTP_WAIT_RX_MS / FNET_TIMER_PERIOD_MS))
/* Time out.*/
{
session->state = FNET_HTTP_STATE_CLOSING; /*=> CLOSING */
}
}
}
else
/* Socket error.*/
{
session->state = FNET_HTTP_STATE_CLOSING; /*=> CLOSING */
}
break;
#endif /* FNET_CFG_HTTP_POST.*/
/*---- TX --------------------------------------------------*/
case FNET_HTTP_STATE_TX: /* Send data. */
if(fnet_timer_get_interval(session->state_time, fnet_timer_ticks())
< (FNET_HTTP_WAIT_TX_MS / FNET_TIMER_PERIOD_MS)) /* Check timeout */
{
int send_size;
if(session->buffer_actual_size == session->response.buffer_sent)
{
/* Reset counters.*/
session->buffer_actual_size =0;
session->response.buffer_sent = 0;
if(session->response.send_eof || session->response.tx_data(http) == FNET_ERR) /* get data for sending */
{
session->state = FNET_HTTP_STATE_CLOSING; /*=> CLOSING */
break;
}
}
send_size = (int)(session->buffer_actual_size - (int)session->response.buffer_sent);
if(send_size > http->send_max)
send_size = (int)http->send_max;
if((res = send(session->socket_foreign, session->buffer
+ session->response.buffer_sent, send_size, 0)) != SOCKET_ERROR)
{
if(res)
{
FNET_DEBUG_HTTP("HTTP: TX %d bytes.", res);
session->state_time = fnet_timer_ticks(); /* reset timeout */
session->response.buffer_sent += res;
}
break; /* => SENDING */
}
}
session->state = FNET_HTTP_STATE_CLOSING; /*=> CLOSING */
break;
/*---- CLOSING --------------------------------------------------*/
case FNET_HTTP_STATE_CLOSING:
if(session->request.method && session->request.method->close)
session->request.method->close(http);
closesocket(session->socket_foreign);
session->socket_foreign = SOCKET_INVALID;
session->state = FNET_HTTP_STATE_LISTENING; /*=> LISTENING */
break;
default:
break;
}
}
} /*for(sessions)*/
}