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(C) TCP Socket Connect through HTTP ProxyDemonstrates how to connect through an HTTP proxy server.
#include <C_CkSocket.h> void ChilkatSample(void) { HCkSocket socket; const char *hostname; BOOL ssl; int maxWaitMillisec; BOOL success; const char *receivedMsg; // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. socket = CkSocket_Create(); // To connect through an HTTP proxy, set the HttpProxyHostname // and HttpProxyPort properties to the hostname (or IP address) // and port of the HTTP proxy. Typical port numbers used by // HTTP proxy servers are 3128 and 8080. CkSocket_putHttpProxyHostname(socket,"www.my-http-proxy.com"); CkSocket_putHttpProxyPort(socket,3128); // Important: Your HTTP proxy server must allow non-HTTP // traffic to pass. Otherwise this does not work. // Connect (via the HTTP proxy) to port 5555 of 192.168.1.108. // hostname may be a domain name or IP address. hostname = "192.168.1.108"; ssl = FALSE; maxWaitMillisec = 20000; success = CkSocket_Connect(socket,hostname,5555,ssl,maxWaitMillisec); if (success != TRUE) { printf("%s\n",CkSocket_lastErrorText(socket)); CkSocket_Dispose(socket); return; } // Set maximum timeouts for reading an writing (in millisec) CkSocket_putMaxReadIdleMs(socket,10000); CkSocket_putMaxSendIdleMs(socket,10000); // The ficticious server (in this example) is going to send a "Hello World!" // message. Read it: receivedMsg = CkSocket_receiveString(socket); if (CkSocket_getLastMethodSuccess(socket) != TRUE) { printf("%s\n",CkSocket_lastErrorText(socket)); CkSocket_Dispose(socket); return; } // Close the connection with the server // Wait a max of 20 seconds (20000 millsec) success = CkSocket_Close(socket,20000); printf("%s\n",receivedMsg); CkSocket_Dispose(socket); } |
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