/* Simple... */
void conn_disconnect( conn_t *conn )
{
if( conn->proto == PROTO_FTP && !conn->proxy )
ftp_disconnect( conn->ftp );
else
http_disconnect( conn->http );
conn->fd = -1;
}
void* http_run_thread(void *http_t_as_void) {
http_t *http = (http_t*) http_t_as_void;
http_run(http);
http_disconnect(http);
draw_commands();
draw_url_input();
select_form();
}
/* Simple... */
void conn_disconnect(conn_t *conn)
{
if (conn->proto == PROTO_FTP && !conn->proxy)
ftp_disconnect(conn->ftp);
else
http_disconnect(conn->http);
#if WIN32
conn->fd = INVALID_SOCKET;
#else
conn->fd = -1;
#endif
}
int main(void) {
http_ctx_t ctx;
if(false == http_connect(&ctx, "http://board.raidrush.ws/forumdisplay.php")) {
printf("unable to connect to remote host.\r\n");
return -1;
}
http_option_set(&ctx, LIBNET_HTTP_OPT_PARAM, "f=13");
http_execute(&ctx);
http_disconnect(&ctx);
printf("\r\nLast Error: %s (%d)\n", libnet_str_error(libnet_error_get()), libnet_error_get());
return 0;
}
int
dav_disconnect(HTTP_CONNECTION **connection)
{
return http_disconnect(connection) == HT_OK;
}
int crawler_crawl(link_crawler_t *crawler, char *url, list_t *link_list)
{
http_url_t http_url;
int status = CRAWLER_NULL;
if(http_url_parse_s(&http_url, url) == URL_RECOGNIZED) {
int port = strlen(http_url.port) != 0 ? atoi(http_url.port) : 80;
char path[4096] = {""};
strlen(http_url.search) == 0 ? sprintf(path, "%s", http_url.path) : sprintf(path, "%s?%s", http_url.path, http_url.search);
if(http_connect(&crawler->http_client, http_url.host, port) == CONNECT_OK) {
int ecode, response_status;
const char *page = NULL;
printf("%s\n", url);
ecode = http_do_get(&crawler->http_client, path);
switch(ecode) {
case RESPONSE_OK:
response_status = http_response_status(&crawler->http_client);
if(response_status == HTTP_OK) {
/* get entity_body pointer */
page = http_response_body(&crawler->http_client);
/* extrack link from buffer and save link into list*/
if(page != NULL) {
extract_absolute_link_s(page, link_list, url);
status = CRAWLER_OK;
} else {
status = CRAWLER_NULL;
fprintf(stderr, "Request %s:%d%s failed, response body is null.\n",
crawler->http_client.connection.host,
crawler->http_client.connection.port, path);
}
} else {
fprintf(stderr, "Request %s:%d%s failed, Status code: %d.\n",
crawler->http_client.connection.host,
crawler->http_client.connection.port, path, response_status);
status = CRAWLER_NONEED;
}
break;
case RESPONSE_OVERFLOW:
fprintf(stderr, "Request %s:%d%s do_get receive overflow.\n",
crawler->http_client.connection.host,
crawler->http_client.connection.port, path);
status = CRAWLER_OVERFLOW;
break;
case RESPONSE_FAILED:
fprintf(stderr, "Request %s:%d%s do_get receive break.\n",
crawler->http_client.connection.host,
crawler->http_client.connection.port, path);
status = CRAWLER_BREAK;
break;
case RESPONSE_TIMEOUT:
fprintf(stderr, "Request %s:%d%s do_get receive timeout.\n",
crawler->http_client.connection.host,
crawler->http_client.connection.port, path);
status = CRAWLER_TIMEOUT;
break;
case REQUEST_FAILED:
fprintf(stderr, "Request %s:%d%s do_get request failed.\n",
http_url.host, port, path);
status = CRAWLER_FAILED;
break;
default:
fprintf(stderr, "Unknown ecode %d.\n", ecode);
status = CRAWLER_UNKNOWN;
break;
}
http_disconnect(&crawler->http_client);
} else {
fprintf(stderr, "Http connect %s:%d failed.\n", http_url.host, port);
status = CRAWLER_UNREACH;
}
} else {
fprintf(stderr, "Unrecognize url: %s\n", url);
status = CRAWLER_UNKNOWN;
}
return status;
}
void httpServer_run(uint8_t seqnum)
{
uint8_t s; // socket number
uint16_t len;
uint32_t gettime = 0;
#ifdef _HTTPSERVER_DEBUG_
uint8_t destip[4] = {0, };
uint16_t destport = 0;
#endif
http_request = (st_http_request *)pHTTP_RX; // Structure of HTTP Request
parsed_http_request = (st_http_request *)pHTTP_TX;
// Get the H/W socket number
s = getHTTPSocketNum(seqnum);
/* HTTP Service Start */
switch(getSn_SR(s))
{
case SOCK_ESTABLISHED:
// Interrupt clear
if(getSn_IR(s) & Sn_IR_CON)
{
setSn_IR(s, Sn_IR_CON);
}
// HTTP Process states
switch(HTTPSock_Status[seqnum].sock_status)
{
case STATE_HTTP_IDLE :
if ((len = getSn_RX_RSR(s)) > 0)
{
if (len > DATA_BUF_SIZE) len = DATA_BUF_SIZE;
len = recv(s, (uint8_t *)http_request, len);
*(((uint8_t *)http_request) + len) = '\0';
parse_http_request(parsed_http_request, (uint8_t *)http_request);
#ifdef _HTTPSERVER_DEBUG_
getSn_DIPR(s, destip);
destport = getSn_DPORT(s);
printf("\r\n");
printf("> HTTPSocket[%d] : HTTP Request received ", s);
printf("from %d.%d.%d.%d : %d\r\n", destip[0], destip[1], destip[2], destip[3], destport);
#endif
#ifdef _HTTPSERVER_DEBUG_
printf("> HTTPSocket[%d] : [State] STATE_HTTP_REQ_DONE\r\n", s);
#endif
// HTTP 'response' handler; includes send_http_response_header / body function
http_process_handler(s, parsed_http_request);
gettime = get_httpServer_timecount();
// Check the TX socket buffer for End of HTTP response sends
while(getSn_TX_FSR(s) != (getSn_TXBUF_SIZE(s)*1024))
{
if((get_httpServer_timecount() - gettime) > 3)
{
#ifdef _HTTPSERVER_DEBUG_
printf("> HTTPSocket[%d] : [State] STATE_HTTP_REQ_DONE: TX Buffer clear timeout\r\n", s);
#endif
break;
}
}
if(HTTPSock_Status[seqnum].file_len > 0) HTTPSock_Status[seqnum].sock_status = STATE_HTTP_RES_INPROC;
else HTTPSock_Status[seqnum].sock_status = STATE_HTTP_RES_DONE; // Send the 'HTTP response' end
}
break;
case STATE_HTTP_RES_INPROC :
/* Repeat: Send the remain parts of HTTP responses */
#ifdef _HTTPSERVER_DEBUG_
printf("> HTTPSocket[%d] : [State] STATE_HTTP_RES_INPROC\r\n", s);
#endif
// Repeatedly send remaining data to client
send_http_response_body(s, 0, http_response, 0, 0);
if(HTTPSock_Status[seqnum].file_len == 0) HTTPSock_Status[seqnum].sock_status = STATE_HTTP_RES_DONE;
break;
case STATE_HTTP_RES_DONE :
#ifdef _HTTPSERVER_DEBUG_
printf("> HTTPSocket[%d] : [State] STATE_HTTP_RES_DONE\r\n", s);
#endif
// Socket file info structure re-initialize
HTTPSock_Status[seqnum].file_len = 0;
HTTPSock_Status[seqnum].file_offset = 0;
HTTPSock_Status[seqnum].file_start = 0;
HTTPSock_Status[seqnum].sock_status = STATE_HTTP_IDLE;
//#ifdef _USE_SDCARD_
// f_close(&fs);
//#endif
#ifdef _USE_WATCHDOG_
HTTPServer_WDT_Reset();
#endif
http_disconnect(s);
break;
default :
break;
}
break;
case SOCK_CLOSE_WAIT:
#ifdef _HTTPSERVER_DEBUG_
printf("> HTTPSocket[%d] : ClOSE_WAIT\r\n", s); // if a peer requests to close the current connection
#endif
disconnect(s);
break;
case SOCK_CLOSED:
#ifdef _HTTPSERVER_DEBUG_
printf("> HTTPSocket[%d] : CLOSED\r\n", s);
#endif
if(socket(s, Sn_MR_TCP, HTTP_SERVER_PORT, 0x00) == s) /* Reinitialize the socket */
{
#ifdef _HTTPSERVER_DEBUG_
printf("> HTTPSocket[%d] : OPEN\r\n", s);
#endif
}
break;
case SOCK_INIT:
listen(s);
break;
case SOCK_LISTEN:
break;
default :
break;
} // end of switch
#ifdef _USE_WATCHDOG_
HTTPServer_WDT_Reset();
#endif
}
void httpServer_run(uint8_t seqnum)
{
uint8_t s; // socket number
int16_t len;
//uint32_t gettime = 0; // 20150828 ## Eric removed
uint8_t ret = 0;
#ifdef _HTTPSERVER_DEBUG_
uint8_t destip[4] = {0, };
uint16_t destport = 0;
#endif
http_request = (st_http_request *)pHTTP_RX; // Structure of HTTP Request
parsed_http_request = (st_http_request *)pHTTP_TX;
// Get the H/W socket number
s = getHTTPSocketNum(seqnum);
/* HTTP Service Start */
switch(getSn_SR(s))
{
case SOCK_ESTABLISHED:
// Interrupt clear
if(getSn_IR(s) & Sn_IR_CON)
{
setSn_IR(s, Sn_IR_CON);
}
// HTTP Process states
switch(HTTPSock_Status[seqnum].sock_status)
{
case STATE_HTTP_IDLE :
if ((len = getSn_RX_RSR(s)) > 0)
{
if (len > DATA_BUF_SIZE) len = DATA_BUF_SIZE;
// ## 20150828, Eric / Bongjun Hur added
if ((len = recv(s, (uint8_t *)http_request, len)) < 0) break; // Exception handler
////////////////////////////////////////////////////////////////////////////////
// Todo; User defined custom command handler (userHandler.c)
ret = custom_command_handler((uint8_t *)http_request);
////////////////////////////////////////////////////////////////////////////////
if(ret > 0) // Custom command handler
{
// Todo: Users can change this parts for custom function added
//if(ret == COMMAND_SUCCESS) send(s, (uint8_t *)"CMDOK", 5);
//else if(ret == COMMAND_ERROR) send(s, (uint8_t *)"CMDERROR", 8);
HTTPSock_Status[seqnum].sock_status = STATE_HTTP_RES_DONE;
}
else // HTTP process handler
{
*(((uint8_t *)http_request) + len) = '\0'; // End of string (EOS) marker
parse_http_request(parsed_http_request, (uint8_t *)http_request);
#ifdef _HTTPSERVER_DEBUG_
getSn_DIPR(s, destip);
destport = getSn_DPORT(s);
printf("\r\n");
printf("> HTTPSocket[%d] : HTTP Request received ", s);
printf("from %d.%d.%d.%d : %d\r\n", destip[0], destip[1], destip[2], destip[3], destport);
#endif
#ifdef _HTTPSERVER_DEBUG_
printf("> HTTPSocket[%d] : [State] STATE_HTTP_REQ_DONE\r\n", s);
#endif
// HTTP 'response' handler; includes send_http_response_header / body function
http_process_handler(s, parsed_http_request);
/*
// ## 20150828 Eric removed
gettime = get_httpServer_timecount();
// Check the TX socket buffer for End of HTTP response sends
while(getSn_TX_FSR(s) != (getSn_TXBUF_SIZE(s)*1024))
{
if((get_httpServer_timecount() - gettime) > 3)
{
#ifdef _HTTPSERVER_DEBUG_
printf("> HTTPSocket[%d] : [State] STATE_HTTP_REQ_DONE: TX Buffer clear timeout\r\n", s);
#endif
break;
}
}
*/
if(HTTPSock_Status[seqnum].file_len > 0) HTTPSock_Status[seqnum].sock_status = STATE_HTTP_RES_INPROC;
else HTTPSock_Status[seqnum].sock_status = STATE_HTTP_RES_DONE; // Send the 'HTTP response' end
}
}
break;
case STATE_HTTP_RES_INPROC :
/* Repeat: Send the remain parts of HTTP responses */
#ifdef _HTTPSERVER_DEBUG_
printf("> HTTPSocket[%d] : [State] STATE_HTTP_RES_INPROC\r\n", s);
#endif
// Repeatedly send remaining data to client
send_http_response_body(s, 0, http_response, 0, 0);
if(HTTPSock_Status[seqnum].file_len == 0) HTTPSock_Status[seqnum].sock_status = STATE_HTTP_RES_DONE;
break;
case STATE_HTTP_RES_DONE :
#ifdef _HTTPSERVER_DEBUG_
printf("> HTTPSocket[%d] : [State] STATE_HTTP_RES_DONE\r\n", s);
#endif
// Socket file info structure re-initialize
HTTPSock_Status[seqnum].file_len = 0;
HTTPSock_Status[seqnum].file_offset = 0;
HTTPSock_Status[seqnum].file_start = 0;
HTTPSock_Status[seqnum].sock_status = STATE_HTTP_IDLE;
//#ifdef _USE_SDCARD_
// f_close(&fs);
//#endif
#ifdef _USE_WATCHDOG_
HTTPServer_WDT_Reset();
#endif
http_disconnect(s);
break;
default :
break;
}
break;
case SOCK_CLOSE_WAIT:
#ifdef _HTTPSERVER_DEBUG_
printf("> HTTPSocket[%d] : ClOSE_WAIT\r\n", s); // if a peer requests to close the current connection
#endif
//disconnect(s);
http_disconnect(s);
break;
case SOCK_INIT:
listen(s);
break;
case SOCK_LISTEN:
break;
case SOCK_SYNSENT:
//case SOCK_SYNSENT_M:
case SOCK_SYNRECV:
//case SOCK_SYNRECV_M:
break;
case SOCK_CLOSED:
default :
#ifdef _HTTPSERVER_DEBUG_
printf("> HTTPSocket[%d] : CLOSED\r\n", s);
#endif
if(socket(s, Sn_MR_TCP, HTTP_SERVER_PORT, 0x00) == s) /* Reinitialize the socket */
{
#ifdef _HTTPSERVER_DEBUG_
printf("> HTTPSocket[%d] : OPEN\r\n", s);
#endif
}
break;
} // end of switch
#ifdef _USE_WATCHDOG_
HTTPServer_WDT_Reset();
#endif
}
static int
http_connect_helper(HTTP_CONNECTION **connection, const char *host, short port, const char *username, const char *password, int lazy)
{
unsigned int ipaddr = 0;
struct hostent *hostinfo = NULL;
HTTP_CONNECTION *new_connection = NULL;
if(connection == NULL)
{
return HT_INVALID_ARGUMENT;
}
*connection = NULL;
if(connection == NULL || host == NULL)
{
return HT_INVALID_ARGUMENT;
}
new_connection = (HTTP_CONNECTION *) _http_allocator(_http_allocator_user_data, 0, sizeof(HTTP_CONNECTION));
memset(new_connection, 0, sizeof(HTTP_CONNECTION));
new_connection->read_count = new_connection->read_index = 0;
new_connection->address.sin_family = AF_INET;
new_connection->address.sin_port = htons(port);
if(username != NULL && password != NULL)
{
new_connection->auth_info = (HTTP_AUTH_INFO *) _http_allocator(_http_allocator_user_data, 0, sizeof(HTTP_AUTH_INFO));
if(new_connection->auth_info == NULL)
{
http_disconnect(&new_connection);
return HT_MEMORY_ERROR;
}
memset(new_connection->auth_info, 0, sizeof(HTTP_AUTH_INFO));
http_add_auth_parameter(new_connection->auth_info, "username", username);
http_add_auth_parameter(new_connection->auth_info, "password", password);
}
if((ipaddr = inet_addr(host)) != INADDR_NONE)
{
memcpy(&new_connection->address.sin_addr, &ipaddr, sizeof(struct in_addr));
}
else
{
hostinfo = (struct hostent *) gethostbyname(host);
if(hostinfo == NULL)
{
return HT_HOST_UNAVAILABLE;
}
memcpy(&new_connection->address.sin_addr, hostinfo->h_addr, 4);
}
new_connection->host = wd_strdup(host);
if(new_connection->host == NULL)
{
http_disconnect(&new_connection);
return HT_MEMORY_ERROR;
}
if (!lazy)
{
new_connection->socketd = socket(AF_INET, SOCK_STREAM, 0);
if(new_connection->socketd == INVALID_SOCKET)
{
http_disconnect(&new_connection);
return HT_RESOURCE_UNAVAILABLE;
}
if(connect(new_connection->socketd, (struct sockaddr *) &new_connection->address, sizeof(struct sockaddr_in)) != 0)
{
http_disconnect(&new_connection);
return HT_NETWORK_ERROR;
}
socket_setnonblocking(new_connection->socketd);
}
else
{
new_connection->socketd = INVALID_SOCKET;
}
new_connection->lazy = lazy;
new_connection->persistent = HT_TRUE;
new_connection->status = HT_OK;
*connection = new_connection;
return HT_OK;
}
int main() {
int logi, ch, y, x;
display_log_type = INFO;
log_init(&log);
log_register_message_callback(&log, message_logged);
current_action = NO_ACTION;
initscr();
create_windows();
cdk_screen = initCDKScreen(log_window);
log_swindow = newCDKSwindow(cdk_screen, 0, 0, log_lines, log_cols, "", 255, 0, 0);
draw_stdscr();
draw_url_input();
draw_commands();
select_form();
raw();
noecho();
keypad(stdscr, TRUE);
while ((ch = wgetch(input_window)) != '' || current_action & CANCEL_SHOWING)
if (ch == KEY_LEFT)
form_driver(url_form, REQ_LEFT_CHAR);
else if (ch == KEY_RIGHT)
form_driver(url_form, REQ_RIGHT_CHAR);
else if (ch == KEY_BACKSPACE || ch == 127) {
getyx(input_window, y, x);
if (x == FIELD_START + 1) {
form_driver(url_form, REQ_SCR_HBHALF);
form_driver(url_form, REQ_END_LINE);
}
form_driver(url_form, REQ_LEFT_CHAR);
form_driver(url_form, REQ_DEL_CHAR);
} else if (ch == KEY_DC)
form_driver(url_form, REQ_DEL_CHAR);
else if (ch == KEY_HOME)
form_driver(url_form, REQ_BEG_FIELD);
else if (ch == KEY_END)
form_driver(url_form, REQ_END_FIELD);
else if (ch == KEY_UP || ch == KEY_DOWN)
injectCDKSwindow(log_swindow, ch);
else if (ch == ' ')
cleanCDKSwindow(log_swindow);
else if (ch == ' ')
change_display_log_type(INFO);
else if (ch == '')
change_display_log_type(DETAILS);
else if (ch == '\n' && current_action & URL_INPUTTING) {
int ret;
form_driver(url_form, REQ_END_FIELD);
form_driver(url_form, 'a');
form_driver(url_form, REQ_VALIDATION);
strncpy(url, field_buffer(url_field[0], 0), FIELD_BUF_SIZE);
url[FIELD_BUF_SIZE - 1] = '\0';
*strrchr(url, 'a') = '\0';
http_url_init(&http_url);
if (ret = http_url_parse(&http_url, url)) {
char *message;
switch (ret) {
case INVALID_SERVER_AUTHORITY:
message = "Invalid server authority";
break;
case INVALID_SCHEME:
message = "Invalid scheme";
break;
case INVALID_PORT:
message = "Invalid port";
break;
default:
message = "Invalid URI";
break;
}
log_printf(&log, INFO, "http_url_parse", "%s", message);
draw_url_input();
draw_commands();
} else {
draw_method_selection();
draw_cancel();
}
} else if (tolower(ch) == 'g' && current_action & METHOD_SELECTING) {
http_init(&http, &http_url, GET, NULL, 0, 3, &log);
pthread_create(&http_thread, NULL, http_run_thread, &http);
draw_cancel();
} else if (tolower(ch) == 'h' && current_action & METHOD_SELECTING) {
http_init(&http, &http_url, HEAD, NULL, 0, 3, &log);
pthread_create(&http_thread, NULL, http_run_thread, &http);
draw_cancel();
} else if (tolower(ch) == 'p' && current_action & METHOD_SELECTING) {
draw_post_input();
draw_cancel();
select_form();
} else if (ch == '\n' && current_action & POST_INPUTTING) {
form_driver(url_form, REQ_END_FIELD);
form_driver(url_form, 'a');
form_driver(url_form, REQ_VALIDATION);
strncpy(post, field_buffer(url_field[0], 0), FIELD_BUF_SIZE);
post[FIELD_BUF_SIZE - 1] = '\0';
*strrchr(post, 'a') = '\0';
http_init(&http, &http_url, POST, post, strlen(post), 3, &log);
pthread_create(&http_thread, NULL, http_run_thread, &http);
draw_cancel();
} else if (ch == '\n' && current_action & FILE_INPUTTING) {
form_driver(url_form, REQ_END_FIELD);
form_driver(url_form, 'a');
form_driver(url_form, REQ_VALIDATION);
strncpy(file, field_buffer(url_field[0], 0), FIELD_BUF_SIZE);
file[FIELD_BUF_SIZE - 1] = '\0';
*strrchr(file, 'a') = '\0';
pthread_mutex_lock(&input_mutex);
inputted = 1;
pthread_cond_broadcast(&input_cond);
pthread_mutex_unlock(&input_mutex);
} else if ((ch == 'y' || ch == 'Y') && current_action & OVERWRITE_INPUTTING) {
do_overwrite = 1;
pthread_mutex_lock(&input_mutex);
inputted = 1;
pthread_cond_broadcast(&input_cond);
pthread_mutex_unlock(&input_mutex);
} else if ((ch == 'n' || ch == 'N') && current_action & OVERWRITE_INPUTTING) {
do_overwrite = 0;
pthread_mutex_lock(&input_mutex);
inputted = 1;
pthread_cond_broadcast(&input_cond);
pthread_mutex_unlock(&input_mutex);
}else if (ch == '') {
if (http.status != DISCONNECTED)
http_disconnect(&http);
draw_url_input();
draw_commands();
select_form();
} else
form_driver(url_form, ch);
delete_input_form();
destroyCDKSwindow(log_swindow);
destroyCDKScreen(cdk_screen);
endwin();
pthread_mutex_destroy(&input_mutex);
pthread_cond_destroy(&input_cond);
return 0;
}
int main(int argc, char **argv)
{
char *host = "125.211.218.8";
char *path = "/techqq/zt/2007/firacn/topic_html/xsm.htm";
/*
char *host = "10.205.42.139";
char *path = "/techqq/a/20090423/000378.htm";
char *path = "/techqq/a/20120111/000508.htm";
char *path = "/techqq/a/20121008/000013.htm";
char *path = "/techqq/wlyx.htm";
char *path = "/techqq/index.html";
char *path = "/techqq/a/20121008/000048.htm";
10.205.42.139:80/techqq/a/20090423/000378.htm
*/
const char *body_ptr;
int status;
http_client_t http_client1;
http_connect(&http_client1, host, 80);
http_do_get(&http_client1, path);
status = http_response_status(&http_client1);
body_ptr = http_response_body(&http_client1);
printf("---------------------Status-----------------------\n");
printf("%d\n", status);
printf("---------------------Body-----------------------\n");
printf("%p\n", body_ptr);
printf("%s\n", body_ptr);
http_disconnect(&http_client1);
/*
status = http_response_status(&http_client1);
body_ptr = http_response_body(&http_client1);
*/
/*
printf("---------------------Status-----------------------\n");
printf("%d\n", status);
printf("---------------------Body-----------------------\n");
printf("%s\n", body_ptr);
*/
/*
http_client_t http_client2;
http_connect(&http_client2, "ufp.umeng.com", 80);
http_do_get(&http_client2, "/login");
status = http_response_status(&http_client2);
body_ptr = http_response_body(&http_client2);
printf("---------------------Status-----------------------\n");
printf("%d\n", status);
printf("---------------------Body-----------------------\n");
printf("%s\n", body_ptr);
http_disconnect(&http_client2);
http_client_t http_client3;
http_connect(&http_client3, "blog.umeng.com", 80);
http_do_get(&http_client3, "/index.php/category/products/");
status = http_response_status(&http_client3);
body_ptr = http_response_body(&http_client3);
printf("---------------------Status-----------------------\n");
printf("%d\n", status);
printf("---------------------Body-----------------------\n");
printf("%s\n", body_ptr);
http_disconnect(&http_client3);
*/
}
/* HTTP Server Run */
void httpServer_run(uint16_t server_port)
{
int8_t sock; // HW socket number
uint8_t sock_status; // HW socket status
int8_t seqnum; // Sequence number
int16_t len;
#ifdef _HTTPSERVER_DEBUG_
uint8_t destip[4] = {0, }; // Destination IP address
uint16_t destport = 0; // Destination Port number
#endif
sock = getAvailableHTTPSocketNum(); // Get the H/W socket number
if(sock < 0) return; // HW socket allocation failed
seqnum = getHTTPSequenceNum(sock);
http_request = (st_http_request *)httpserver.recvbuf; // HTTP Request Structure
parsed_http_request = (st_http_request *)http_req;
//parsed_http_request = (st_http_request *)httpserver.sendbuf; // old
/* Web Service Start */
sock_status = getSn_SR(sock);
switch(sock_status)
{
case SOCK_ESTABLISHED:
// Interrupt clear
if(getSn_IR(sock) & Sn_IR_CON)
{
setSn_IR(sock, Sn_IR_CON);
}
// HTTP Process states
switch(HTTPSock[seqnum].status)
{
case STATE_HTTP_IDLE :
if ((len = getSn_RX_RSR(sock)) > 0)
{
if (len > DATA_BUF_SIZE) len = DATA_BUF_SIZE;
if ((len = recv(sock, (uint8_t *)http_request, len)) < 0) break; // Exception handler
*(((uint8_t *)http_request) + len) = '\0'; // End of string (EOS) marker
parse_http_request(parsed_http_request, (uint8_t *)http_request);
#ifdef _HTTPSERVER_DEBUG_
printf("> HTTP Request START ==========\r\n");
printf("%s", (uint8_t *)http_request);
printf("> HTTP Request END ============\r\n");
#endif
#ifdef _HTTPSERVER_DEBUG_
getSn_DIPR(sock, destip);
destport = getSn_DPORT(sock);
printf("\r\n");
printf("> HTTPSocket[%d] : HTTP Request received ", sock);
printf("from %d.%d.%d.%d : %d\r\n", destip[0], destip[1], destip[2], destip[3], destport);
#endif
#ifdef _HTTPSERVER_DEBUG_
printf("> HTTPSocket[%d] : [State] STATE_HTTP_REQ_DONE\r\n", sock);
#endif
// HTTP 'response' handler; includes send_http_response_header / body function
http_process_handler(sock, parsed_http_request);
if(HTTPSock[seqnum].file_len > 0) HTTPSock[seqnum].status = STATE_HTTP_RES_INPROC;
else HTTPSock[seqnum].status = STATE_HTTP_RES_DONE; // Send the 'HTTP response' end
}
break;
case STATE_HTTP_RES_INPROC :
/* Repeat: Send the remain parts of HTTP responses */
#ifdef _HTTPSERVER_DEBUG_
printf("> HTTPSocket[%d] : [State] STATE_HTTP_RES_INPROC\r\n", sock);
#endif
// Repeatedly send remaining data to client
send_http_response_body(sock, http_response, 0);
if(HTTPSock[seqnum].file_len == 0) HTTPSock[seqnum].status = STATE_HTTP_RES_DONE;
break;
case STATE_HTTP_RES_DONE :
#ifdef _HTTPSERVER_DEBUG_
printf("> HTTPSocket[%d] : [State] STATE_HTTP_RES_DONE\r\n", sock);
#endif
// Socket file info structure re-initialize
HTTPSock[seqnum].file_len = 0;
HTTPSock[seqnum].file_offset = 0;
HTTPSock[seqnum].file_start = 0;
HTTPSock[seqnum].status = STATE_HTTP_IDLE;
#ifdef _USE_WATCHDOG_
HTTPServer_WDT_Reset();
#endif
http_disconnect(sock);
break;
default :
break;
}
break;
case SOCK_CLOSE_WAIT:
#ifdef _HTTPSERVER_DEBUG_
printf("> HTTPSocket[%d] : ClOSE_WAIT\r\n", sock); // if a peer requests to close the current connection
#endif
// Socket file info structure re-initialize: HTTP connection 'close'
HTTPSock[seqnum].file_len = 0;
HTTPSock[seqnum].file_offset = 0;
HTTPSock[seqnum].file_start = 0;
HTTPSock[seqnum].status = STATE_HTTP_IDLE;
http_disconnect(sock);
break;
case SOCK_INIT:
listen(sock);
break;
case SOCK_LISTEN:
break;
case SOCK_SYNSENT:
//case SOCK_SYNSENT_M:
case SOCK_SYNRECV:
//case SOCK_SYNRECV_M:
break;
case SOCK_CLOSED:
#ifdef _HTTPSERVER_DEBUG_
//printf("> HTTPSocket[%d] : CLOSED\r\n", sock);
#endif
if(server_port == 0) server_port = HTTP_SERVER_PORT;
if(socket(sock, Sn_MR_TCP, server_port, 0x00) == sock) // Init / Reinitialize the socket
{
#ifdef _HTTPSERVER_DEBUG_
printf("> HTTPSocket[%d] : SERVER OPEN, Port: %d\r\n", sock, server_port);
#endif
;
}
break;
default :
break;
} // end of switch
#ifdef _USE_WATCHDOG_
HTTPServer_WDT_Reset();
#endif
}