Ilya I
Example program with HTTPServer and sensor data streaming over TCPSockets, using Donatien Garnier's Net APIs and services code on top of LWIP. Files StreamServer.h and .cpp encapsulate streaming over TCPSockets. Broadcast is done by sendToAll(), and all incoming data is echoed back to the client. Echo code can be replaced with some remote control of the streaming interface. See main() that shows how to periodically send some data to all subscribed clients. To subscribe, a client should open a socket at <mbed_ip> port 123. I used few lines in TCL code to set up a quick sink for the data. HTTP files are served on port 80 concurrently to the streaming.
dns_api_msg Struct Reference
As do_gethostbyname requires more arguments but doesn't require a netconn, it has its own struct (to avoid struct api_msg getting bigger than necessary). More...
#include <api_msg.h>
Data Fields | |
| const char * | name |
| Hostname to query or dotted IP address string. | |
| ip_addr_t * | addr |
| Rhe resolved address is stored here. | |
| sys_sem_t * | sem |
| This semaphore is posted when the name is resolved, the application thread should wait on it. | |
| err_t * | err |
| Errors are given back here. | |
Detailed Description
As do_gethostbyname requires more arguments but doesn't require a netconn, it has its own struct (to avoid struct api_msg getting bigger than necessary).
do_gethostbyname must be called using tcpip_callback instead of tcpip_apimsg (see netconn_gethostbyname).
Definition at line 123 of file api_msg.h.
Field Documentation
| const char* name |
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