| 1 | /* tclink.h - Header file for TCLink library. */ |
| 2 | |
| 3 | #ifndef _TCLINK_H |
| 4 | #define _TCLINK_H |
| 5 | |
| 6 | #include "config.h" |
| 7 | |
| 8 | /* Handle passed to all TCLink functions. A unique handle must be created |
| 9 | * for each concurrent thread, but the same handle can be shared by transactions |
| 10 | * occurring one after another (such as a for loop). |
| 11 | */ |
| 12 | #define TCLinkHandle void* |
| 13 | |
| 14 | /* Parameter names and values cannot exceed this size. |
| 15 | */ |
| 16 | #define PARAM_MAX_LEN 768 |
| 17 | |
| 18 | /* Create a new TCLinkHandle. |
| 19 | */ |
| 20 | TCLinkHandle |
| 21 | TCLinkCreate(); |
| 22 | |
| 23 | /* Add a parameter to be sent to the server. |
| 24 | */ |
| 25 | void |
| 26 | TCLinkPushParam(TCLinkHandle handle, const char* name, const char* value); |
| 27 | |
| 28 | /* Flush the parameters to the server. |
| 29 | */ |
| 30 | void |
| 31 | TCLinkSend(TCLinkHandle handle); |
| 32 | |
| 33 | /* Look up a response value from the server. |
| 34 | * Returns NULL if no such parameter, or stores the value in 'value' and |
| 35 | * returns a pointer to value. value should be at least PARAM_MAX_LEN in size. |
| 36 | */ |
| 37 | char* |
| 38 | TCLinkGetResponse(TCLinkHandle handle, const char* name, char* value); |
| 39 | |
| 40 | /* Get all response values from the server in one giant string. |
| 41 | * Stores the string into buf and returns a pointer to it. Size should be |
| 42 | * sizeof(buf), which will limit the string so that no buffer overruns occur. |
| 43 | */ |
| 44 | char* |
| 45 | TCLinkGetEntireResponse(TCLinkHandle handle, char* buf, int size); |
| 46 | |
| 47 | /* Destory a handle, ending that transaction and freeing the memory associated |
| 48 | * with it. */ |
| 49 | void |
| 50 | TCLinkDestroy(TCLinkHandle handle); |
| 51 | |
| 52 | /* Store version string into buf. Returns a pointer to buf. */ |
| 53 | char* |
| 54 | TCLinkGetVersion(char* buf); |
| 55 | |
| 56 | /* The API methods below are subject to change. */ |
| 57 | |
| 58 | /* Enables (1) or Disables (0) the full SSL close_notify sequence. By default, |
| 59 | * this is set to 1.*/ |
| 60 | int |
| 61 | TCLinkSetFullClose(TCLinkHandle handle, int full_ssl_close); |
| 62 | |
| 63 | /* Provides a method, once the handshake is completed, a means to verify the |
| 64 | * contents of that certificate independently. Note that the certificate may not |
| 65 | * be set depending on the negotation type (in which case the pointer would be |
| 66 | * NULL) |
| 67 | */ |
| 68 | void |
| 69 | TCLinkSetValidateCallback(TCLinkHandle handle, |
| 70 | int (*validate_cert)(int, void*)); |
| 71 | |
| 72 | #endif |