StackOverflow2013

Note that there are some explanatory texts on larger screens.

plurals

POSocket operation on non-socket, Client server program in C
primarykey
Id
15482234
data
AcceptedAnswerId
15483779
AnswerCount
1
ClosedDate
CommentCount
7
CommunityOwnedDate
CreationDate
2013-03-18T16:42:22.040
FavoriteCount
0
LastActivityDate
2013-03-18T18:05:04.327
LastEditDate
2013-03-18T17:31:26.923
LastEditorUserId
1220089
OwnerUserId
1220089
ParentId
0
PostTypeId
1
Score
4
ViewCount
1035
LastEditorDisplayName
text
Body
I'm new to socket programming and I am trying to write a simple socket that connects to another socket on my PC (<code>nc -l 35353</code>) I keep getting a error when trying to bind the socket and I don't know how to debug it. <hr> UPDATE: The socket call is returning 0 as a file descriptor, although the man page does not say this is illegal, I thought unix/linux reserve fd 0, 1 and 2 for stdin, stdout and stderr by default. I am not sure if this has anything to do with the bind error I am seeing, I just felt this might be appropriate. Here is the code <pre><code>#include<stdio.h> #include<stdlib.h> #include<string.h> #include<netinet/in.h> #include<sys/types.h> #include<sys/socket.h> //typedef struct sockaddr_in sockaddr_in; int main() { int sock_fd; if( sock_fd = socket(AF_INET, SOCK_STREAM, 0) < 0) { perror("Socket Creation error!\n"); return 1; } struct sockaddr_in myaddr; memset((char*)&myaddr, 0, sizeof(myaddr)); myaddr.sin_family = AF_INET; uint32_t myip = (127<<24)|(0<<16)|(0<<8)|1; myaddr.sin_addr.s_addr = htonl(myip); myaddr.sin_port = htons(1337); int binderror = bind(sock_fd, (struct sockaddr*)&myaddr, sizeof(myaddr)); printf("bind error %d\n",binderror); if( binderror < 0) { perror("Bind Error!\n"); return 1; } struct sockaddr_in serveraddr; memset((char*)&serveraddr, 0, sizeof(serveraddr)); serveraddr.sin_family = AF_INET; serveraddr.sin_port = htons(35353); //unsigned char serverip[] = {127,0,0,1}; uint32_t serverip = (127<<24)|(0<<16)|(0<<8)|1; serveraddr.sin_addr.s_addr = htonl(serverip); if( connect(sock_fd, (struct sockaddr*)&serveraddr, sizeof(serveraddr)) < 0 ){ perror("Could not connect\n"); return 0; } } </code></pre>
Tags
<c><sockets>
Title
Socket operation on non-socket, Client server program in C
singulars
PostAcceptedAnswerId
1. PO
 singulars
 PostTypePostTypeId
 PTAnswer
PostParentId
1. This table or related slice is empty.
PostTypePostTypeId
1. PTQuestion
UserLastEditorUserId
1. USffledgling
UserOwnerUserId
1. USffledgling
plurals
PostLinksPostIdRelatedPostId
1. This table or related slice is empty.
PostLinksRelatedPostIdPostId
1. This table or related slice is empty.
PostsAcceptedAnswerId
1. This table or related slice is empty.
PostsParentIdCreationDate
1. PO
 singulars
 PostTypePostTypeId
 PTAnswer
VotesPostIdCreationDate
1. VO
 singulars
 PostPostId
 POSocket operation on non-socket, Client server program in C
 UserUserId
 This table or related slice is empty.
 VoteTypeVoteTypeId
 VTUpMod
2. VO
 singulars
 PostPostId
 POSocket operation on non-socket, Client server program in C
 UserUserId
 This table or related slice is empty.
 VoteTypeVoteTypeId
 VTUpMod
3. VO
 singulars
 PostPostId
 POSocket operation on non-socket, Client server program in C
 UserUserId
 This table or related slice is empty.
 VoteTypeVoteTypeId
 VTUpMod
CommentsPostId

Querying!

Guidance

A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.