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POC Socket Client not recv()-ing any bytes from server
 

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    <p>Hi I'm building a primitive browser in c which is to do a very simple task. I'm trying to get my client to simply readout the response message from a server that I request from. I'm trying to get a simple response from www.yahoo.com. I have experimented with many different request messages which have all sent successfully. The following request messages are below.</p> <pre><code>GET http://www.yahoo.com HTTP/1.1\r\n Host: www.yahoo.com:80\r\n User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:7.0.1) Gecko/20100101 Firefox/7.0.1\r\n Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\r\n Accept-Language: en-us,en;q=0.5\r\n Accept-Encoding: gzip, deflate\r\n Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7\r\n Connection: keep-alive\r\n </code></pre> <p>and</p> <pre><code>GET http://www.yahoo.com HTTP/1.1 Host: www.yahoo.com:80 </code></pre> <p>The problem is that I am not recv()-ing any bytes from the server. recv() however does not result in error being -1. Rather the server just doesn't want to respond. Below is my code.</p> <pre><code>#include &lt;stdio.h&gt; #include &lt;string.h&gt; #include &lt;sys/types.h&gt; #include &lt;sys/socket.h&gt; #include &lt;netdb.h&gt; #include &lt;arpa/inet.h&gt; #define MAXDATASIZE 500; int main(int argc, char *argv[]){ struct addrinfo serverSide,*serverInfo; int mySock, status; char buf[501],ipstr[INET6_ADDRSTRLEN]; memset(&amp;serverSide, 0, sizeof serverSide); serverSide.ai_family = AF_UNSPEC; serverSide.ai_socktype = SOCK_STREAM; if(getaddrinfo("www.yahoo.com","80",&amp;serverSide,&amp;serverInfo)==0){ printf("get addr success\n"); } mySock = socket(serverInfo-&gt;ai_family, serverInfo-&gt;ai_socktype, serverInfo-&gt;ai_protocol); connect(mySock, serverInfo-&gt;ai_addr, serverInfo-&gt;ai_addrlen); char msg[500] = "GET / HTTP/1.1\r\n"; strcat(msg," Host: www.yahoo.com:80\r\n"); printf("%s\n",msg); if((status = send(mySock,msg,strlen(msg),0))== -1){ printf("request not sent %d\n",status); perror("\n"); }else{ if((status = recv(mySock, buf, 500, 0))== -1){ printf("recieved byte error"); }else{ printf("%s\n Number of bytes recieved %d\n",buf,status); } } close(mySock); freeaddrinfo(serverInfo); return 0; } </code></pre> <p>Any help would be great. Thanks!</p>
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