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Kernel+LibC+Userland: Yet more networking bringup hacking.
All ICMP sockets now receive all ICMP packets. All this buffering is gonna need some limits and such.
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parent
a017a77442
commit
a7d5e9781a
14 changed files with 178 additions and 2 deletions
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@ -3,6 +3,7 @@
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#include <netinet/ip_icmp.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <Kernel/NetworkOrdered.h>
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NetworkOrdered<word> internet_checksum(const void* ptr, size_t count)
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@ -41,9 +42,13 @@ int main(int argc, char** argv)
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};
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PingPacket ping_packet;
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PingPacket pong_packet;
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memset(&ping_packet, 0, sizeof(PingPacket));
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ping_packet.header.type = 8; // Echo request
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ping_packet.header.code = 0;
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ping_packet.header.un.echo.id = htons(getpid());
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ping_packet.header.un.echo.sequence = htons(1);
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strcpy(ping_packet.msg, "Hello there!\n");
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ping_packet.header.checksum = htons(internet_checksum(&ping_packet, sizeof(PingPacket)));
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@ -54,5 +59,13 @@ int main(int argc, char** argv)
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return 1;
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}
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rc = recvfrom(fd, &pong_packet, sizeof(PingPacket), 0, (const struct sockaddr*)&peer_address, sizeof(sockaddr_in));
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if (rc < 0) {
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perror("recvfrom");
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return 1;
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}
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printf("received %p (%d)\n", &pong_packet, rc);
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return 0;
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}
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